save file .sv2 format read/write
[fishladder.git] / fishladder.c
index f310bd53ff798ad3f00e018b7a60158163ba610b..ecd46814f29908b149143f235d1a52547aa1d331 100644 (file)
@@ -1,9 +1,39 @@
 // Copyright (C) 2021 Harry Godden (hgn) - All Rights Reserved
 
-//#define VG_STEAM
+#define VG_STEAM
+#define VG_STEAM_APPID 1218140U
 #include "vg/vg.h"
 #include "fishladder_resources.h"
 
+/*
+       Todo for release:
+               Tutorial levels:
+                       1. Transport
+                       2. Split
+                       3. Merge (and explode)
+                       4. Principle 1 (divide colours)
+                       5. Principle 2 (combine colours)
+                       
+               Trainee levels:
+                       Simple maths                    (x3)
+                       Colour ordering                 (x2)
+                       Routing problems                (x2)
+                       
+               Medium levels:
+                       Reverse order
+               
+               New things to program:
+                       UI text element renderer (SDF)                          DONE(sorta)
+                       Particle system thing for ball collision        
+                       Level descriptions / titles                                     HALF
+                       Row Gridlines for I/O
+                       Play button / Speed controller
+                       
+                       
+       After release:
+               
+*/
+
 const char *level_pack_1[] = { 
        "level0", 
        "level1", 
@@ -19,68 +49,87 @@ const char *level_pack_1[] = {
 };
 
 #pragma pack(push,1)
-struct career_state
+struct dcareer_state
 {
        u32 version;
+       i32 total_unlocked;
+       
+       u32 reserved[14];
 
-       struct career_level
+       struct dlevel_state
        {
-               u32 score;
-               u32 time;
-               u32 completed;
+               i32 score;
+               i32 reserved[3];
        }
-       levels[ vg_list_size( level_pack_1 ) ]; 
-}
-career = { .version = 1 };
+       levels[ NUM_CAMPAIGN_LEVELS ];  
+};
 #pragma pack(pop)
 
 static void career_serialize(void)
 {
-       vg_asset_write( "sav/game.sav", &career, sizeof( struct career_state ) );
+       struct dcareer_state encoded;
+       encoded.version = 2;
+       encoded.total_unlocked = career_local.total_unlocked;
+
+       for( int i = 0; i < vg_list_size( career_serializable ); i ++ )
+       {
+               struct serializable_set *set = &career_serializable[i];
+               
+               for( int j = 0; j < set->count; j ++ )
+               {
+                       struct cmp_level *lvl = &set->pack[j];
+                       struct dlevel_state *dest = &encoded.levels[lvl->serial_id];
+                       
+                       dest->score = lvl->completed_score;
+                       dest->reserved[0] = 0;
+                       dest->reserved[1] = 0;
+                       dest->reserved[2] = 0;
+               }
+       }
+
+       vg_asset_write( "sav/game.sv2", &encoded, sizeof( struct dcareer_state ) );
 }
 
 static void career_load(void)
 {
        i64 sz;
-       struct career_state *cr = vg_asset_read_s( "sav/game.sav", &sz );
+       struct dcareer_state encoded;
+       memset( (void*)&encoded, 0, sizeof( struct dcareer_state ) );
        
-       memset( (void*)career.levels, 0, vg_list_size(level_pack_1) * sizeof(struct career_level) );
+       // Load and copy data into encoded
+       void *cr = vg_asset_read_s( "sav/game.sv2", &sz );
        
        if( cr )
        {
-               if( sz > sizeof( struct career_state ) )
+               if( sz > sizeof( struct dcareer_state ) )
                        vg_warn( "This save file is too big! Some levels will be lost\n" );
                
-               if( sz <= offsetof( struct career_state, levels ) )
+               if( sz <= offsetof( struct dcareer_state, levels ) )
                {
-                       vg_error( "This save file is too small to have a header\n" );
+                       vg_warn( "This save file is too small to have a header. Creating a blank one\n" );
                        free( cr );
                        return;
                }
                
-               u32 const size_header = offsetof(struct career_state, levels);
-               u32 const size_levels = sizeof(struct career_state)-size_header;
-               u32 const size_levels_input = sz - size_header;
-               
-               memcpy( (void*)career.levels, (void*)cr->levels, size_levels_input );
-               
-               if( sz < sizeof( struct career_state ) )
-               {
-                       memset( ((void*)career.levels) + size_levels_input, 0, size_levels-size_levels_input );
-               }
-               
+               memcpy( (void*)&encoded, cr, VG_MIN( sizeof( struct dcareer_state ), sz ) );
                free( cr );
-               vg_success( "Loaded save file... Info:\n" );
-               
-               for( int i = 0; i < vg_list_size( career.levels ); i ++ )
-               {
-                       struct career_level *lvl = &career.levels[i];
-                       vg_info( "Score: %u, Time: %u, Completed: %u\n", lvl->score, lvl->time, lvl->completed );
-               }
        }
        else
-       {
                vg_info( "No save file... Using blank one\n" );
+               
+       // Decode everything from dstate
+       for( int i = 0; i < vg_list_size( career_serializable ); i ++ )
+       {
+               struct serializable_set *set = &career_serializable[i];
+               
+               for( int j = 0; j < set->count; j ++ )
+               {
+                       struct cmp_level *lvl = &set->pack[j];
+                       struct dlevel_state *src = &encoded.levels[lvl->serial_id];
+                       
+                       lvl->completed_score = src->score;
+                       // ...
+               }
        }
 }
 
@@ -98,7 +147,7 @@ m3x3f m_mdl;
 #define FLAG_WALL 0x40
 
 #define FLAG_FLIP_FLOP 0x100
-#define FLAG_TRIGGER_FLIP 0x200
+#define FLAG_TRIGGERED 0x200
 #define FLAG_FLIP_ROTATING 0x400
 #define FLAG_TARGETED 0x800
 
@@ -121,16 +170,68 @@ m3x3f m_mdl;
                |          |    |     |    |     |    |
 */
 
+struct cell_description
+{
+       v2i start;
+       v2i end;
+       
+       int is_special;
+       int is_linear;
+}
+cell_descriptions[] =
+{
+       // 0-3
+       {},
+       { .start = {  1,  0 }, .end = { -1,  0 } },
+       { .start = {  0,  1 }, .end = {  0, -1 } },
+       { .start = {  0,  1 }, .end = {  1,  0 } },
+       // 4-7
+       { .start = { -1,  0 }, .end = {  1,  0 } },
+       { .start = { -1,  0 }, .end = {  1,  0 }, .is_linear = 1 },
+       { .start = {  0,  1 }, .end = { -1,  0 } },
+       { .start = {  0,  1 }, .is_special = 1 },
+       // 8-11
+       { .start = {  0, -1 }, .end = {  0,  1 } },
+       { .start = {  1,  0 }, .end = {  0, -1 } },
+       { .start = {  0,  1 }, .end = {  0, -1 }, .is_linear = 1 },
+       { },
+       // 12-15
+       { .start = { -1,  0 }, .end = {  0, -1 } },
+       { .end = { 0, -1 }, .is_special = 1 },
+       { },
+       { }
+};
+
 enum cell_type
 {
+       k_cell_type_stub = 0,
        k_cell_type_ramp_right = 3,
        k_cell_type_ramp_left = 6,
        k_cell_type_split = 7,
-       k_cell_type_merge = 13
+       k_cell_type_merge = 13,
+       k_cell_type_con_r = 1,
+       k_cell_type_con_u = 2,
+       k_cell_type_con_l = 4,
+       k_cell_type_con_d = 8
 };
 
+v2f const curve_3[] = {{0.5f,1.0f},{0.5f,0.625f},{0.625f,0.5f},{1.0f,0.5f}};
+v2f const curve_6[] = {{0.5f,1.0f},{0.5f,0.625f},{0.375f,0.5f},{0.0f,0.5f}};
+v2f const curve_9[] = {{1.0f,0.5f},{0.625f,0.5f},{0.5f,0.375f},{0.5f,0.0f}};
+v2f const curve_12[]= {{0.0f,0.5f},{0.375f,0.5f},{0.5f,0.375f},{0.5f,0.0f}};
+
+v2f const curve_1[] = {{1.0f,0.5f},{0.8f,0.5f},{0.3f,0.5f},{0.2f,0.5f}};
+v2f const curve_4[] = {{0.0f,0.5f},{0.3f,0.5f},{0.5f,0.5f},{0.8f,0.5f}};
+v2f const curve_2[] = {{0.5f,1.0f},{0.5f,0.8f},{0.5f,0.3f},{0.5f,0.2f}};
+v2f const curve_8[] = {{0.5f,0.0f},{0.5f,0.3f},{0.5f,0.5f},{0.5f,0.8f}};
+
+v2f const curve_7[] = {{0.5f,0.8438f},{0.875f,0.8438f},{0.625f,0.5f},{1.0f,0.5f}};
+v2f const curve_7_1[] = {{0.5f,0.8438f},{1.0f-0.875f,0.8438f},{1.0-0.625f,0.5f},{0.0f,0.5f}};
+
+float const curve_7_linear_section = 0.1562f;
+
 v3f colour_sets[] =
-{ { 0.9f, 0.6f, 0.20f },
+{ { 1.0f, 0.9f, 0.3f },
   { 0.2f, 0.9f, 0.14f },
   { 0.4f, 0.8f, 1.00f } };
 
@@ -188,6 +289,15 @@ static void use_mesh( struct mesh *m )
        glBindVertexArray( m->vao );
 }
 
+enum e_fish_state
+{
+       k_fish_state_soon_dead = -1,
+       k_fish_state_dead = 0,
+       k_fish_state_alive,
+       k_fish_state_bg,
+       k_fish_state_soon_alive
+};
+
 struct world
 {
 #pragma pack(push,1)
@@ -210,6 +320,7 @@ struct world
        int simulating;
        int sim_run, max_runs;
        
+       float sim_speed;
        float frame_lerp;
        
        struct cell_terminal
@@ -252,8 +363,9 @@ struct world
        {
                v2i pos;
                v2i dir;
-               int alive;
+               enum e_fish_state state;
                char payload;
+               int flow_reversed;
                float death_time;
                v2f physics_v;
                v2f physics_co;
@@ -262,15 +374,17 @@ struct world
        
        int num_fishes;
        
-       char map_name[128];
-       struct career_level *ptr_career_level;
+       char map_name[64];
+       //struct career_level *ptr_career_level;
+       struct cmp_level *pCmpLevel;
        
        u32 score;
        u32 completed;
        u32 time;
-       
 } world = {};
 
+void leaderboard_set_score( struct cmp_level *cmp_level, u32 score );
+
 static void map_free(void)
 {      
        arrfree( world.data );
@@ -298,6 +412,46 @@ static void io_reset(void)
        }
 }
 
+int random_noise[] = {
+0x46,0xD5,0xB8,0xD3,0xF2,0xE5,0xCC,0x07,0xD0,0xB3,0x7A,0xA2,0xC3,0xDA,0xDC,0x7F,0xE0,0xB7,0x42,0xA0,0xBF,0x41,0x92,0x32,0x6F,0x0D,0x45,0xC7,0x54,0xDB,0x30,0xC2,
+0xD5,0xDA,0x55,0x09,0xDE,0x74,0x48,0x20,0xE1,0x24,0x5C,0x4D,0x6F,0x36,0xD8,0xE9,0x8D,0x8F,0x54,0x99,0x98,0x51,0xFE,0xDB,0x26,0x04,0x65,0x57,0x56,0xF3,0x53,0x30,
+0x3D,0x16,0xC0,0xB6,0xF2,0x47,0xCF,0x62,0xB0,0x6C,0x8F,0x4F,0x8C,0x4C,0x17,0xF0,0x19,0x7E,0x2D,0x81,0x8D,0xFB,0x10,0xD3,0x49,0x50,0x60,0xFD,0x38,0x15,0x3B,0xEE,
+0x05,0xC1,0xCF,0x62,0x97,0x75,0xDF,0x4E,0x4D,0x89,0x5E,0x88,0x5C,0x30,0x8C,0x54,0x1D,0x39,0x41,0xEA,0xA2,0x63,0x12,0x1B,0x8E,0x35,0x22,0x9B,0x98,0xA3,0x7F,0x80,
+0xD6,0x27,0x94,0x66,0xB5,0x1D,0x7E,0xDF,0x96,0x28,0x38,0x3A,0xA0,0xE8,0x71,0x09,0x62,0x5E,0x9D,0x53,0x58,0x1B,0x7D,0x0D,0x2D,0x99,0x77,0x83,0xC3,0x89,0xC2,0xA2,
+0xA7,0x1D,0x78,0x80,0x37,0xC1,0x87,0xFF,0x65,0xBF,0x2C,0xF1,0xE5,0xB3,0x09,0xE0,0x25,0x92,0x83,0x0F,0x8A,0x57,0x3C,0x0B,0xC6,0xBC,0x44,0x16,0xE3,0xCE,0xC3,0x0D,
+0x69,0xD3,0xC6,0x99,0xB8,0x46,0x44,0xC4,0xF3,0x1E,0xBF,0xF5,0xB4,0xDB,0xFB,0x93,0xA1,0x7B,0xC9,0x08,0x77,0x22,0xE5,0x02,0xEF,0x9E,0x90,0x94,0x8A,0xA6,0x3D,0x7E,
+0xA2,0xA0,0x10,0x82,0x47,0x5C,0xAA,0xF8,0x2F,0x0D,0x9F,0x76,0xDA,0x99,0x0F,0xCB,0xE2,0x02,0x0C,0x75,0xCA,0x35,0x29,0xA6,0x49,0x83,0x6D,0x91,0xB4,0xEC,0x31,0x69,
+0xBA,0x13,0xF3,0xC7,0x21,0x06,0xC8,0x79,0xEF,0xB1,0x9C,0x6A,0xEE,0x64,0x9A,0xDC,0x1E,0xC6,0x18,0x93,0xA9,0x7E,0x89,0x7D,0x96,0xE5,0x44,0xB8,0x00,0x15,0xAF,0x8C,
+0x78,0x8F,0xA8,0x05,0xA7,0x07,0x25,0x9A,0xC8,0x5D,0x90,0x1A,0x41,0x53,0x30,0xD3,0x24,0x33,0x71,0xB4,0x50,0x6E,0xE4,0xEA,0x0D,0x2B,0x6D,0xF5,0x17,0x08,0x74,0x49,
+0x71,0xC2,0xAC,0xF7,0xDC,0xB2,0x7E,0xCC,0xB6,0x1B,0xB8,0xA9,0x52,0xCF,0x6B,0x51,0xD2,0x4E,0xC9,0x43,0xEE,0x2E,0x92,0x24,0xBB,0x47,0x4D,0x0C,0x3E,0x21,0x53,0x19,
+0xD4,0x82,0xE2,0xC6,0x93,0x85,0x0A,0xF8,0xFA,0x04,0x07,0xD3,0x1D,0xEC,0x03,0x66,0xFD,0xB1,0xFB,0x8F,0xC5,0xDE,0xE8,0x29,0xDF,0x23,0x09,0x9D,0x7C,0x43,0x3D,0x4D,
+0x89,0xB9,0x6F,0xB4,0x6B,0x4A,0x51,0xC3,0x94,0xF4,0x7C,0x5E,0x19,0x87,0x79,0xC1,0x80,0x0C,0x45,0x12,0xEC,0x95,0xF3,0x31,0x68,0x42,0xE1,0x06,0x57,0x0E,0xA7,0xFB,
+0x78,0x96,0x87,0x23,0xA5,0x20,0x7A,0x09,0x3A,0x45,0xE6,0xD9,0x5E,0x6A,0xD6,0xAA,0x29,0x50,0x92,0x4E,0xD0,0xB5,0x91,0xC2,0x9A,0xCF,0x07,0xFE,0xB2,0x15,0xEB,0xE4,
+0x84,0x40,0x14,0x47,0xFA,0x93,0xB9,0x06,0x69,0xDB,0xBD,0x4E,0xEA,0x52,0x9B,0xDE,0x5B,0x50,0x36,0xAB,0xB3,0x1F,0xD2,0xCD,0x9C,0x13,0x07,0x7E,0x8B,0xED,0x72,0x62,
+0x74,0x77,0x3B,0x88,0xAC,0x5B,0x6A,0xBC,0xDA,0x99,0xE8,0x24,0x90,0x5A,0xCA,0x8D,0x5C,0x2B,0xF8,0xF1,0xE1,0x1D,0x94,0x11,0xEA,0xCC,0x02,0x09,0x1E,0xA2,0x48,0x67,
+0x87,0x5A,0x7E,0xC6,0xCC,0xA3,0xFB,0xC5,0x36,0xEB,0x5C,0xE1,0xAF,0x1E,0xBE,0xE7,0xD8,0x8F,0x70,0xAE,0x42,0x05,0xF5,0xCD,0x2D,0xA2,0xB0,0xFD,0xEF,0x65,0x2C,0x22,
+0xCB,0x8C,0x8B,0xAA,0x3D,0x86,0xE2,0xCD,0xBE,0xC3,0x42,0x38,0xE3,0x9C,0x08,0xB5,0xAE,0xBD,0x54,0x73,0x83,0x70,0x24,0x47,0xCA,0x4C,0x04,0xC4,0xE0,0x1D,0x40,0xED,
+0xF4,0x2B,0x50,0x8E,0x97,0xB3,0xF0,0xA6,0x76,0xDB,0x49,0x30,0xE5,0xD9,0x71,0x07,0xB2,0xF1,0x0F,0xD6,0x77,0xAA,0x72,0xC0,0xAF,0x66,0xD8,0x40,0xC6,0x08,0x19,0x8C,
+0xD9,0x8F,0x5A,0x75,0xAC,0xBE,0xC2,0x40,0x5B,0xBD,0x0D,0x1D,0x00,0xAF,0x26,0x5E,0x78,0x43,0xAA,0xC6,0x4F,0xF3,0xD8,0xE2,0x7F,0x0C,0x1E,0x77,0x4D,0x35,0x96,0x23,
+0x32,0x44,0x03,0x8D,0x92,0xE7,0xFD,0x48,0x07,0xD0,0x58,0xFC,0x6D,0xC9,0x91,0x33,0xF0,0x23,0x45,0xA4,0x29,0xB9,0xF5,0xB0,0x68,0x8F,0x7B,0x59,0x15,0x8E,0xA6,0x66,
+0x15,0xA0,0x76,0x9B,0x69,0xCB,0x38,0xA5,0xF4,0xB4,0x6B,0xDC,0x1F,0xAB,0xAE,0x12,0x77,0xC0,0x8C,0x4A,0x03,0xB9,0x73,0xD3,0x6D,0x52,0xC5,0xF5,0x6E,0x4E,0x4B,0xA3,
+0x24,0x02,0x58,0xEE,0x5F,0xF9,0xD6,0xD0,0x1D,0xBC,0xF4,0xB8,0x4F,0xFD,0x4B,0x2D,0x34,0x77,0x46,0xE5,0xD4,0x33,0x7B,0x9C,0x35,0xCD,0xB0,0x5D,0x06,0x39,0x99,0xEB,
+0x0C,0xD0,0x0F,0xF7,0x92,0xB5,0x58,0x5B,0x5E,0x79,0x12,0xF4,0x05,0xF6,0x21,0x07,0x0B,0x49,0x1A,0xFB,0xD4,0x98,0xC4,0xEF,0x7A,0xD6,0xCA,0xA1,0xDA,0xB3,0x51,0x00,
+0x76,0xEC,0x08,0x48,0x40,0x35,0xD7,0x94,0xBE,0xF5,0x7B,0xA4,0x20,0x81,0x5F,0x82,0xF3,0x6F,0x96,0x24,0x98,0xB6,0x49,0x18,0xC8,0xC5,0x8C,0xD2,0x38,0x7F,0xC4,0xF6,
+0xAA,0x87,0xDC,0x73,0x5B,0xA1,0xAF,0xE5,0x3D,0x37,0x6B,0x85,0xED,0x38,0x62,0x7D,0x57,0xBD,0xCF,0xB5,0x1B,0xA8,0xBB,0x32,0x33,0xD3,0x34,0x5A,0xC1,0x5D,0xFB,0x28,
+0x6E,0xE1,0x67,0x51,0xBB,0x31,0x92,0x83,0xAC,0xAA,0x72,0x52,0xFD,0x13,0x4F,0x73,0xD3,0xF0,0x5E,0xFC,0xBA,0xB1,0x3C,0x7B,0x08,0x76,0x03,0x38,0x1E,0xD1,0xCC,0x33,
+0xA3,0x1E,0xFC,0xE0,0x82,0x30,0x27,0x93,0x71,0x35,0x75,0x77,0xBA,0x78,0x10,0x33,0xCD,0xAB,0xCF,0x8E,0xAD,0xF9,0x32,0xC9,0x15,0x9F,0xD6,0x6D,0xA8,0xAE,0xB1,0x3F,
+0x90,0xEB,0xD4,0xF9,0x31,0x81,0xA3,0x53,0x99,0x4B,0x3C,0x93,0x3B,0xFE,0x55,0xFF,0x25,0x9F,0xCC,0x07,0xC5,0x2C,0x14,0xA7,0xA4,0x1E,0x6C,0xB6,0x91,0x2A,0xE0,0x3E,
+0x7F,0x39,0x0A,0xD9,0x24,0x3C,0x01,0xA0,0x30,0x99,0x8E,0xB8,0x1D,0xF9,0xA7,0x78,0x86,0x95,0x35,0x0E,0x21,0xDA,0x7A,0x7B,0xAD,0x9F,0x4E,0xF6,0x63,0x5B,0x96,0xBB,
+0x87,0x36,0x3F,0xA7,0x1A,0x66,0x91,0xCD,0xB0,0x3B,0xC0,0x4F,0x54,0xD2,0x5F,0xBB,0x38,0x89,0x1C,0x79,0x7E,0xA2,0x02,0xE4,0x80,0x84,0x1E,0x33,0xAB,0x74,0xFA,0xBE,
+0x31,0x46,0x2E,0xC5,0x15,0xB9,0x12,0xE9,0xD3,0x73,0x43,0xEA,0x74,0x11,0xA7,0xC0,0xD5,0xD8,0x39,0x08,0x9F,0x4F,0xC7,0x71,0x25,0x09,0x51,0x65,0xD6,0xA8,0x02,0x1F
+};
+
+static int hash21i( v2i p, u32 umod )
+{
+       return random_noise[ (random_noise[p[1] & 1023] + p[0]) & 1023 ] & umod;
+}
+
 static void map_reclassify( v2i start, v2i end, int update_texbuffer );
 static int map_load( const char *str, const char *name )
 {
@@ -310,9 +464,9 @@ static int map_load( const char *str, const char *name )
        // Scan for width
        for(;; world.w ++)
        {
-               if( str[world.w] == ';' )
+               if( c[world.w] == ';' )
                        break;
-               else if( !str[world.w] )
+               else if( !c[world.w] )
                {
                        vg_error( "Unexpected EOF when parsing level\n" );
                        return 0;
@@ -463,6 +617,7 @@ static int map_load( const char *str, const char *name )
                        // Tile initialization
                        // row[ cx ] .. etc
                        struct cell *cell = &row[ cx ];
+                       cell->config = 0xF;
                        
                        if( *c == '+' || *c == '-' )
                        {
@@ -503,13 +658,65 @@ static int map_load( const char *str, const char *name )
        // Update data texture to fill out the background
        {
                u8 info_buffer[64*64*4];
-               for( int i = 0; i < 64*64; i ++ )
+               for( int x = 0; x < 64; x ++ )
                {
-                       u8 *px = &info_buffer[i*4];
-                       px[0] = 255;
-                       px[1] = 0;
-                       px[2] = 0;
-                       px[3] = 0;
+                       for( int y = 0; y < 64; y ++ )
+                       {
+                               u8 *px = &info_buffer[((x*64)+y)*4];
+                               
+                               px[0] = 0xFF-0x3F + hash21i( (v2i){x,y}, 0x3F );
+                               px[1] = 0;
+                               px[2] = 0;
+                               px[3] = 0;
+                       }
+               }
+
+               // Random walks.. kinda
+               for( int i = 0; i < arrlen(world.io); i ++ )
+               {
+                       struct cell_terminal *term = &world.io[ i ];
+                       int posx = term->id % world.w;
+                       int posy = (term->id - posx)/world.w;
+                       
+                       v2i turtle;
+                       v2i turtle_dir;
+                       int original_y;
+                       
+                       turtle[0] = 16+posx;
+                       turtle[1] = 16+posy;
+                       
+                       turtle_dir[0] = 0;
+                       turtle_dir[1] = posy <= 4? -1: 1;
+                       original_y = turtle_dir[1];
+                       
+                       for( int i = 0; i < 100; i ++ )
+                       {
+                               info_buffer[((turtle[1]*64)+turtle[0])*4] = 0;
+                               
+                               v2i_add( turtle_dir, turtle, turtle );
+                               
+                               if( turtle[0] == 0 ) break;
+                               if( turtle[0] == 63 ) break;
+                               if( turtle[1] == 0 ) break;
+                               if( turtle[1] == 63 ) break;
+                               
+                               int random_value = hash21i( turtle, 0xFF );
+                               if( random_value > 255-40 && !turtle_dir[0] )
+                               {
+                                       turtle_dir[0] = -1;
+                                       turtle_dir[1] = 0;
+                               }
+                               else if( random_value > 255-80 && !turtle_dir[0] )
+                               {
+                                       turtle_dir[0] = 1;
+                                       turtle_dir[1] = 0;
+                               }
+                               else if( random_value > 255-100 )
+                               {
+                                       turtle_dir[0] = 0;
+                                       turtle_dir[1] = original_y;
+                               }
+                       }
                }
                
                glBindTexture( GL_TEXTURE_2D, world.background_data );
@@ -643,7 +850,19 @@ static void map_serialize( FILE *stream )
 
 int main( int argc, char *argv[] )
 {
-       vg_init( argc, argv, "Fish (Marbles Computer) Ladder Simulator 2022 | N,M: change level | SPACE: Test | LeftClick: Toggle tile" );
+       vg_init( argc, argv, "Marble Computing | SPACE: Test | LeftClick: Toggle tile | RightClick: Drag wire" );
+       return 0;
+}
+
+static int console_credits( int argc, char const *argv[] )
+{
+       vg_info( "Aknowledgements:\n" );
+       vg_info( "  GLFW         zlib/libpng  glfw.org\n" );
+       vg_info( "  miniaudio    MIT0         miniaud.io\n" );
+       vg_info( "  QOI          MIT          phoboslab.org\n" );
+       vg_info( "  STB library  MIT          nothings.org\n" );
+       vg_info( "  Weiholmir font            justfredrik.itch.io\n" );
+       return 0;
 }
 
 static int console_save_map( int argc, char const *argv[] )
@@ -701,7 +920,7 @@ static int console_load_map( int argc, char const *argv[] )
                if( text_source )
                {
                        vg_info( "Loading map: '%s'\n", map_path );
-                       world.ptr_career_level = NULL;
+                       world.pCmpLevel = NULL;
                        
                        if( !map_load( text_source, argv[0] ) )
                        {
@@ -709,17 +928,7 @@ static int console_load_map( int argc, char const *argv[] )
                                return 0;
                        }
                        
-                       free( text_source );
-                       
-                       for( int i = 0; i < vg_list_size( level_pack_1 ); i ++ )
-                       {
-                               if( !strcmp( level_pack_1[i], argv[0] ) )
-                               {
-                                       world.ptr_career_level = career.levels + i;
-                                       break;
-                               }
-                       }
-                       
+                       free( text_source );    
                        return 1;
                }
                else
@@ -740,6 +949,7 @@ static void simulation_stop(void)
        world.simulating = 0;
        world.num_fishes = 0;
        world.sim_frame = 0;
+       world.sim_run = 0;
        
        io_reset();
        
@@ -768,8 +978,15 @@ static int console_changelevel( int argc, char const *argv[] )
        return 0;
 }
 
+void leaderboard_found( LeaderboardFindResult_t *pCallback );
+void leaderboard_downloaded( LeaderboardScoresDownloaded_t *pCallback );
+
 void vg_start(void)
 {
+       // Steamworks callbacks
+       sw_leaderboard_found = &leaderboard_found;
+       sw_leaderboard_downloaded = &leaderboard_downloaded;
+
        vg_function_push( (struct vg_cmd){
                .name = "_map_write",
                .function = console_save_map
@@ -784,6 +1001,11 @@ void vg_start(void)
                .name = "map",
                .function = console_changelevel
        });
+       
+       vg_function_push( (struct vg_cmd){
+               .name = "credits",
+               .function = console_credits
+       });
 
        // Quad mesh
        {
@@ -923,6 +1145,7 @@ void vg_start(void)
 
 void vg_free(void)
 {
+       sw_free_opengl();
        console_save_map( 0, NULL );
        career_serialize();
 
@@ -942,10 +1165,15 @@ void vg_free(void)
        map_free();
 }
 
+static int world_check_pos_ok( v2i co )
+{
+       return (co[0] < 2 || co[0] >= world.w-2 || co[1] < 2 || co[1] >= world.h-2)? 0: 1;
+}
+
 static int cell_interactive( v2i co )
 {
        // Bounds check
-       if( co[0] < 2 || co[0] >= world.w-2 || co[1] < 2 || co[1] >= world.h-2 )
+       if( !world_check_pos_ok( co ) )
                return 0;
 
        // Flags check
@@ -1052,7 +1280,7 @@ static void map_reclassify( v2i start, v2i end, int update_texbuffer )
                for( int x = px0; x < px1; x ++ )
                {
                        struct cell *cell = pcell((v2i){x,y});
-               
+
                        v2i dirs[] = {{1,0},{0,1},{-1,0},{0,-1}};
                        
                        u8 height = 0;
@@ -1072,7 +1300,7 @@ static void map_reclassify( v2i start, v2i end, int update_texbuffer )
                        else 
                        {
                                if( cell->state & FLAG_WALL )
-                                       height = 255;
+                                       height = 0xFF-0x3F + hash21i( (v2i){x,y}, 0x3F );
                                
                                config = 0xF;
                        }
@@ -1084,6 +1312,30 @@ static void map_reclassify( v2i start, v2i end, int update_texbuffer )
                        info_px[1] = cell->state & FLAG_WALL? 0: 255;
                        info_px[2] = 0;
                        info_px[3] = 0;
+                       
+                       if( 
+                               (
+                                       ((cell->state & FLAG_IS_TRIGGER) && (cell->config == 0xF || cell->config == k_cell_type_split)) || 
+                                       ((cell->state & FLAG_TARGETED) && (cell->config != k_cell_type_split)) 
+                               ) && update_texbuffer
+                       ){
+                               cell->state &= ~(FLAG_TARGETED|FLAG_IS_TRIGGER);
+                               for( u32 i = 0; i < 2; i ++ )
+                               {
+                                       if( cell->links[i] )
+                                       {
+                                               struct cell *other_ptr = &world.data[ cell->links[i] ];
+                                               other_ptr->links[ i ] = 0;
+                                               other_ptr->state &= ~FLAG_IS_TRIGGER;
+                                               
+                                               if( other_ptr->links[ i ^ 0x1 ] == 0 )
+                                                       other_ptr->state &= ~FLAG_TARGETED;
+                                       }
+                               }
+                               
+                               cell->links[0] = 0;
+                               cell->links[1] = 0;
+                       }
                }
        }
        
@@ -1094,21 +1346,9 @@ static void map_reclassify( v2i start, v2i end, int update_texbuffer )
        }
 }
 
-
-v2f const curve_3[] = {{0.5f,1.0f},{0.5f,0.625f},{0.625f,0.5f},{1.0f,0.5f}};
-v2f const curve_6[] = {{0.5f,1.0f},{0.5f,0.625f},{0.375f,0.5f},{0.0f,0.5f}};
-v2f const curve_9[] = {{1.0f,0.5f},{0.625f,0.5f},{0.5f,0.375f},{0.5f,0.0f}};
-v2f const curve_12[]= {{0.0f,0.5f},{0.375f,0.5f},{0.5f,0.375f},{0.5f,0.0f}};
-
-v2f const curve_1[] = {{1.0f,0.5f},{0.8f,0.5f},{0.3f,0.5f},{0.2f,0.5f}};
-v2f const curve_4[] = {{0.0f,0.5f},{0.3f,0.5f},{0.5f,0.5f},{0.8f,0.5f}};
-v2f const curve_2[] = {{0.5f,1.0f},{0.5f,0.8f},{0.5f,0.3f},{0.5f,0.2f}};
-v2f const curve_8[] = {{0.5f,0.8f},{0.5f,0.5f},{0.5f,0.3f},{0.5f,0.0f}};
-
-v2f const curve_7[] = {{0.5f,0.8438f},{0.875f,0.8438f},{0.625f,0.5f},{1.0f,0.5f}};
-v2f const curve_7_1[] = {{0.5f,0.8438f},{1.0f-0.875f,0.8438f},{1.0-0.625f,0.5f},{0.0f,0.5f}};
-
-float const curve_7_linear_section = 0.1562f;
+u16 id_drag_from = 0;
+v2f drag_from_co;
+v2f drag_to_co;
 
 void vg_update(void)
 {
@@ -1137,12 +1377,8 @@ void vg_update(void)
        world.tile_x = floorf( world.tile_pos[0] );
        world.tile_y = floorf( world.tile_pos[1] );
 
-       static u16 id_drag_from = 0;
-       static v2f drag_from_co;
-       static v2f drag_to_co;
-       
        // Tilemap editing
-       if( !world.simulating )
+       if( !world.simulating && !gui_want_mouse() )
        {
                v2_copy( vg_mouse_ws, drag_to_co );
        
@@ -1166,35 +1402,18 @@ void vg_update(void)
                                
                                if( cell_ptr->state & FLAG_CANAL )
                                {
+                                       cell_ptr->links[0] = 0;
+                                       cell_ptr->links[1] = 0;
+                                       
                                        sfx_set_playrnd( &audio_tile_mod, &audio_system_sfx, 3, 6 );
                                        world.score ++;
                                }
                                else
-                               {
-                                       if( cell_ptr->state & (FLAG_IS_TRIGGER|FLAG_TARGETED) )
-                                       {
-                                               cell_ptr->state &= ~(FLAG_IS_TRIGGER|FLAG_TARGETED);
-                                               for( u32 i = 0; i < 2; i ++ )
-                                               {
-                                                       if( cell_ptr->links[i] )
-                                                       {
-                                                               struct cell *other_ptr = &world.data[ cell_ptr->links[i] ];
-                                                               other_ptr->links[ i ] = 0;
-                                                               other_ptr->state &= ~FLAG_IS_TRIGGER;
-                                                               
-                                                               if( other_ptr->links[ i ^ 0x1 ] == 0 )
-                                                                       other_ptr->state &= ~(FLAG_TARGETED);
-                                                       }
-                                               }
-                                       }
-                                       
+                               {                                       
                                        sfx_set_playrnd( &audio_tile_mod, &audio_system_sfx, 0, 3 );
                                        world.score --;
                                }
 
-                               cell_ptr->links[0] = 0;
-                               cell_ptr->links[1] = 0;
-                                       
                                map_reclassify(         (v2i){ world.tile_x -2, world.tile_y -2 }, 
                                                                                (v2i){ world.tile_x +2, world.tile_y +2 }, 1 );
                        }
@@ -1254,14 +1473,8 @@ void vg_update(void)
                else
                        world.selected = -1;
                        
-               if( vg_get_button("secondary") && id_drag_from )
-               {
-                       vg_line2( drag_from_co, drag_to_co, 0xff00ff00, 0xffffff00 );
-               }
-               else
-               {
+               if( !(vg_get_button("secondary") && id_drag_from) )
                        id_drag_from = 0;
-               }
        }
        else
        {
@@ -1287,6 +1500,7 @@ void vg_update(void)
                        world.sim_frame = 0;
                        world.sim_start = vg_time;
                        world.sim_run = 0;
+                       world.sim_speed = 2.5f;
                        
                        for( int i = 0; i < world.w*world.h; i ++ )
                                world.data[ i ].state &= ~FLAG_FLIP_FLOP;
@@ -1298,7 +1512,7 @@ void vg_update(void)
        // Fish ticks
        if( world.simulating )
        {       
-               while( world.sim_frame < (int)((vg_time-world.sim_start)*2.0f) )
+               while( world.sim_frame < (int)((vg_time-world.sim_start)*world.sim_speed) )
                {
                        //vg_info( "frame: %u\n", world.sim_frame );
                        sfx_set_playrnd( &audio_random, &audio_system_balls_switching, 0, 9 );
@@ -1311,6 +1525,8 @@ void vg_update(void)
                                {
                                        cell->state &= ~FLAG_FLIP_ROTATING;
                                }
+                               if( cell->state & FLAG_IS_TRIGGER )
+                                       cell->state &= ~FLAG_TRIGGERED;
                        }
                        
                        int alive_count = 0;
@@ -1320,106 +1536,145 @@ void vg_update(void)
                        {
                                struct fish *fish = &world.fishes[i];
                                
-                               if( fish->alive == -1 )
-                                       fish->alive = 0;
+                               if( fish->state == k_fish_state_soon_dead )
+                                       fish->state = k_fish_state_dead;
+                               
+                               if( fish->state == k_fish_state_soon_alive )
+                                       fish->state = k_fish_state_alive;
                                
-                               if( fish->alive != 1 )
+                               if( fish->state < k_fish_state_alive )
                                        continue;
                                
                                struct cell *cell_current = pcell( fish->pos );
 
-                               // Apply to output
-                               if( cell_current->state & FLAG_OUTPUT )
+                               if( fish->state == k_fish_state_alive )
                                {
-                                       for( int j = 0; j < arrlen( world.io ); j ++ )
+                                       // Apply to output
+                                       if( cell_current->state & FLAG_OUTPUT )
                                        {
-                                               struct cell_terminal *term = &world.io[j];
-                                               
-                                               if( term->id == fish->pos[1]*world.w + fish->pos[0] )
+                                               for( int j = 0; j < arrlen( world.io ); j ++ )
                                                {
-                                                       struct terminal_run *run = &term->runs[ world.sim_run ];
-                                                       if( run->recv_count < vg_list_size( run->recieved ) )
-                                                               run->recieved[ run->recv_count ++ ] = fish->payload;
+                                                       struct cell_terminal *term = &world.io[j];
                                                        
-                                                       break;
+                                                       if( term->id == fish->pos[1]*world.w + fish->pos[0] )
+                                                       {
+                                                               struct terminal_run *run = &term->runs[ world.sim_run ];
+                                                               if( run->recv_count < vg_list_size( run->recieved ) )
+                                                                       run->recieved[ run->recv_count ++ ] = fish->payload;
+                                                               
+                                                               break;
+                                                       }
                                                }
+                                               
+                                               fish->state = k_fish_state_dead;
+                                               continue;
                                        }
                                        
-                                       fish->alive = 0;
-                                       continue;
-                               }
-                               
-                               if( cell_current->config == k_cell_type_split )
-                               {
-                                       // Flip flop L/R
-                                       fish->dir[0] = cell_current->state&FLAG_FLIP_FLOP?1:-1;
-                                       fish->dir[1] = 0;
-                                       
-                                       if( !(cell_current->state & FLAG_TARGETED) )
-                                               cell_current->state ^= FLAG_FLIP_FLOP;
-                               }
-                               else if( cell_current->config == k_cell_type_merge )
-                               {
-                                       // Can only move up
-                                       fish->dir[0] = 0;
-                                       fish->dir[1] = -1;
-                               }
-                               else
-                               {
-                                       struct cell *cell_next = pcell( (v2i){ fish->pos[0]+fish->dir[0], fish->pos[1]+fish->dir[1] } );
-                                       if( !(cell_next->state & (FLAG_CANAL|FLAG_OUTPUT)) )
+
+                                       if( cell_current->config == k_cell_type_merge )
                                        {
-                                               // Try other directions for valid, so down, left, right..
-                                               v2i dirs[] = {{1,0},{-1,0},{0,-1}};
-                                               //vg_info( "Trying some other directions...\n" );
-                                               
-                                               for( int j = 0; j < vg_list_size(dirs); j ++ )
+                                               // Can only move up
+                                               fish->dir[0] = 0;
+                                               fish->dir[1] = -1;
+                                               fish->flow_reversed = 0;
+                                       }
+                                       else
+                                       {
+                                               if( cell_current->config == k_cell_type_split )
+                                               {
+                                                       // Flip flop L/R
+                                                       fish->dir[0] = cell_current->state&FLAG_FLIP_FLOP?1:-1;
+                                                       fish->dir[1] = 0;
+                                                       
+                                                       if( !(cell_current->state & FLAG_TARGETED) )
+                                                               cell_current->state ^= FLAG_FLIP_FLOP;
+                                               }
+                                               else
                                                {
-                                                       if( (dirs[j][0] == -fish->dir[0]) && (dirs[j][1] == -fish->dir[1]) )
-                                                               continue;
+                                                       // Apply cell out-flow
+                                                       struct cell_description *desc = &cell_descriptions[ cell_current->config ];
+                                                       
+                                                       v2i_copy( fish->flow_reversed? desc->start: desc->end, fish->dir );
+                                               }
+                                               
+                                               v2i pos_next;
+                                               v2i_add( fish->pos, fish->dir, pos_next );
                                                
-                                                       if( pcell( (v2i){ fish->pos[0]+dirs[j][0], fish->pos[1]+dirs[j][1] } )->state & (FLAG_CANAL|FLAG_OUTPUT) )
+                                               struct cell *cell_next = pcell( pos_next );
+                                               
+                                               if( cell_next->state & (FLAG_CANAL|FLAG_OUTPUT) )
+                                               {
+                                                       struct cell_description *desc = &cell_descriptions[ cell_next->config ];
+                                                       
+                                                       if( cell_next->config == k_cell_type_merge )
                                                        {
-                                                               fish->dir[0] = dirs[j][0];
-                                                               fish->dir[1] = dirs[j][1];
+                                                               if( fish->dir[0] == 0 )
+                                                                       fish->state = k_fish_state_dead;
+                                                               else
+                                                                       fish->flow_reversed = 0;
+                                                       }
+                                                       else
+                                                       {
+                                                               if( cell_next->config == k_cell_type_split )
+                                                               {
+                                                                       if( fish->dir[0] == 0 )
+                                                                       {
+                                                                               sfx_set_playrnd( &audio_splitter, &audio_system_balls_important, 0, 1 );
+                                                                               cell_next->state |= FLAG_FLIP_ROTATING;
+                                                                               
+                                                                               fish->flow_reversed = 0;
+                                                                       }
+                                                                       else
+                                                                               fish->state = k_fish_state_dead;
+                                                               }
+                                                               else
+                                                                       fish->flow_reversed = ( fish->dir[0] != -desc->start[0] || 
+                                                                                                                                       fish->dir[1] != -desc->start[1] )? 1: 0;
                                                        }
                                                }
+                                               else
+                                                       fish->state = world_check_pos_ok( fish->pos )? k_fish_state_bg: k_fish_state_dead;
                                        }
+                                       
+                                       //v2i_add( fish->pos, fish->dir, fish->pos );
                                }
-                               
-                               fish->pos[0] += fish->dir[0];
-                               fish->pos[1] += fish->dir[1];
-                               
-                               struct cell *cell_entry = pcell( fish->pos );
-                               
-                               if( !(cell_entry->state & (FLAG_INPUT|FLAG_CANAL|FLAG_OUTPUT) ))
-                                       fish->alive = 0;
-                               else
+                               else if( fish->state == k_fish_state_bg )
                                {
-                                       if( fish->dir[0] )
+                                       v2i_add( fish->pos, fish->dir, fish->pos );
+                                       
+                                       if( !world_check_pos_ok( fish->pos ) )
+                                               fish->state = k_fish_state_dead;
+                                       else
                                        {
-                                               if( cell_entry->config == k_cell_type_split ||
-                                                        cell_entry->config == k_cell_type_ramp_right ||
-                                                        cell_entry->config == k_cell_type_ramp_left )
+                                               struct cell *cell_entry = pcell( fish->pos );
+                                               
+                                               if( cell_entry->state & FLAG_CANAL )
                                                {
-                                                       // Special death (FALL)                                                 
-                                                       v2_sub( fish->physics_co, fish->physics_v, fish->physics_v );
-                                                       v2_divs( fish->physics_v, vg_time_delta, fish->physics_v );
-
-                                                       fish->alive = -2;
-                                                       vg_warn( "Special death (fall)\n" );
-                                                       continue;
+                                                       if( cell_entry->config == k_cell_type_con_r || cell_entry->config == k_cell_type_con_u 
+                                                               || cell_entry->config == k_cell_type_con_l || cell_entry->config == k_cell_type_con_d )
+                                                       {
+                                                               sw_set_achievement( "CAN_DO_THAT" );
+                                                       
+                                                               fish->state = k_fish_state_soon_alive;
+                                                               
+                                                               fish->dir[0] = 0;
+                                                               fish->dir[1] = 0;
+                                                               fish->flow_reversed = 1;
+                                                               
+                                                               switch( cell_entry->config )
+                                                               {
+                                                                       case k_cell_type_con_r: fish->dir[0] =  1; break;
+                                                                       case k_cell_type_con_l: fish->dir[0] = -1; break;
+                                                                       case k_cell_type_con_u: fish->dir[1] =  1; break;
+                                                                       case k_cell_type_con_d: fish->dir[1] = -1; break;
+                                                               }
+                                                       }
                                                }
                                        }
-                               
-                                       if( cell_entry->config == k_cell_type_split )
-                                       {
-                                               sfx_set_playrnd( &audio_splitter, &audio_system_balls_important, 0, 1 );
-                                               cell_entry->state |= FLAG_FLIP_ROTATING;
-                                       }
                                }
+                               else { vg_error( "fish behaviour unimplemented for behaviour type (%d)\n" ); }
                                
-                               if( fish->alive )
+                               if( fish->state >= k_fish_state_alive )
                                        alive_count ++;
                        }
                        
@@ -1428,8 +1683,9 @@ void vg_update(void)
                        {
                                struct fish *fish = &world.fishes[i];
                                
-                               if( fish->alive == 1 )
+                               if( fish->state == k_fish_state_alive )
                                {
+                                       v2i_add( fish->pos, fish->dir, fish->pos );
                                        struct cell *cell_current = pcell( fish->pos );
 
                                        if( cell_current->state & FLAG_IS_TRIGGER )
@@ -1443,6 +1699,8 @@ void vg_update(void)
                                                
                                                struct cell *target_peice = &world.data[ cell_current->links[trigger_id] ];
                                                
+                                               cell_current->state |= FLAG_TRIGGERED;
+                                               
                                                if( trigger_id )
                                                        target_peice->state |= FLAG_FLIP_FLOP;
                                                else
@@ -1452,22 +1710,58 @@ void vg_update(void)
                        }
                        
                        // Third pass (collisions)
+                       struct fish *fi, *fj;
+                       
                        for( int i = 0; i < world.num_fishes; i ++ )
                        {
-                               if( world.fishes[i].alive == 1 )
+                               fi = &world.fishes[i];
+                               
+                               if( fi->state == k_fish_state_alive )
                                {
+                                       int continue_again = 0;
+                               
                                        for( int j = i+1; j < world.num_fishes; j ++ )
                                        {
-                                               if( (world.fishes[j].alive == 1) && (world.fishes[i].pos[0] == world.fishes[j].pos[0]) &&
-                                                        (world.fishes[i].pos[1] == world.fishes[j].pos[1]) )
+                                               fj = &world.fishes[j];
+                                               
+                                               if( (fj->state == k_fish_state_alive) )
                                                {
-                                                       // Shatter death (+0.5s)
-                                                       world.fishes[i].alive = -1;
-                                                       world.fishes[j].alive = -1;
-                                                       world.fishes[i].death_time = 0.5f;
-                                                       world.fishes[j].death_time = 0.5f;
+                                                       v2i fi_prev;
+                                                       v2i fj_prev;
+                                                       
+                                                       v2i_sub( fi->pos, fi->dir, fi_prev );
+                                                       v2i_sub( fj->pos, fj->dir, fj_prev );
+                                               
+                                                       int 
+                                                       collide_next_frame = ( 
+                                                                (fi->pos[0] == fj->pos[0]) &&
+                                                                (fi->pos[1] == fj->pos[1]))? 1: 0,
+                                                       collide_this_frame = (
+                                                                (fi_prev[0] == fj->pos[0]) &&
+                                                                (fi_prev[1] == fj->pos[1]) &&
+                                                                (fj_prev[0] == fi->pos[0]) &&
+                                                                (fj_prev[1] == fi->pos[1])
+                                                               )? 1: 0;
+                                                       
+                                                       if( collide_next_frame || collide_this_frame )
+                                                       {
+                                                               sw_set_achievement( "BANG" );
+                                                       
+                                                               // Shatter death (+0.5s)
+                                                               float death_time = collide_this_frame? 0.0f: 0.5f;
+                                                               
+                                                               fi->state = k_fish_state_soon_dead;
+                                                               fj->state = k_fish_state_soon_dead;
+                                                               fi->death_time = death_time;
+                                                               fj->death_time = death_time;
+                                                               
+                                                               continue_again = 1;
+                                                               break;
+                                                       }
                                                }
                                        }
+                                       if( continue_again )
+                                               continue;
                                }
                        }
                        
@@ -1483,28 +1777,24 @@ void vg_update(void)
                                {
                                        if( world.sim_frame < term->runs[ world.sim_run ].condition_count )
                                        {
-                                               struct fish *fish = &world.fishes[world.num_fishes++];
+                                               struct fish *fish = &world.fishes[ world.num_fishes ];
                                                fish->pos[0] = posx;
                                                fish->pos[1] = posy;
-                                               fish->alive = 1;
+                                               fish->state = k_fish_state_alive;
                                                fish->payload = term->runs[ world.sim_run ].conditions[ world.sim_frame ];
                                                
-                                               int can_spawn = 0;
+                                               struct cell *cell_ptr = pcell( fish->pos );
                                                
-                                               v2i dirs[] = {{1,0},{-1,0},{0,-1}};
-                                               for( int j = 0; j < vg_list_size(dirs); j ++ )
-                                                       if( pcell( (v2i){ posx+dirs[j][0], posy+dirs[j][1] } )->state & FLAG_CANAL )
-                                                       {
-                                                               fish->dir[0] = dirs[j][0];
-                                                               fish->dir[1] = dirs[j][1];
-                                                               can_spawn = 1;
-                                                               break;
-                                                       }
-                                               
-                                               if( !can_spawn )
-                                                       world.num_fishes--;
-                                               else
+                                               if( cell_ptr->config != k_cell_type_stub )
+                                               {
+                                                       struct cell_description *desc = &cell_descriptions[ cell_ptr->config ];
+                                                       
+                                                       v2i_copy( desc->start, fish->dir );
+                                                       fish->flow_reversed = 1;
+                                                       
+                                                       world.num_fishes ++;
                                                        alive_count ++;
+                                               }
                                        }
                                }
                        }
@@ -1550,6 +1840,10 @@ void vg_update(void)
                                                world.sim_frame = 0;
                                                world.sim_start = vg_time;
                                                world.num_fishes = 0;
+                                               
+                                               for( int i = 0; i < world.w*world.h; i ++ )
+                                                       world.data[ i ].state &= ~FLAG_FLIP_FLOP;
+                                               
                                                continue;
                                        }
                                        else
@@ -1567,15 +1861,19 @@ void vg_update(void)
                                }
                                else
                                {
+                                       if( world.sim_run > 0 )
+                                               sw_set_achievement( "GOOD_ENOUGH" );
+                                       
                                        vg_error( "Level failed :(\n" );
                                }
                                
                                // Copy into career data
-                               if( world.ptr_career_level )
+                               if( world.pCmpLevel )
                                {
-                                       world.ptr_career_level->score = world.score;
-                                       world.ptr_career_level->time = world.time;
-                                       world.ptr_career_level->completed = world.completed;
+                                       if( world.score < world.pCmpLevel->completed_score || world.pCmpLevel->completed_score == 0 )
+                                               leaderboard_set_score( world.pCmpLevel, world.score );
+                                       
+                                       world.pCmpLevel->completed_score = world.score;
                                }
                                
                                simulation_stop(); // TODO: Async?
@@ -1586,7 +1884,7 @@ void vg_update(void)
                }
                
                float scaled_time = 0.0f;
-               scaled_time = (vg_time-world.sim_start)*2.0f;
+               scaled_time = (vg_time-world.sim_start)*world.sim_speed;
                world.frame_lerp = scaled_time - (float)world.sim_frame;
                
                // Update positions
@@ -1594,78 +1892,74 @@ void vg_update(void)
                {
                        struct fish *fish = &world.fishes[i];
                        
-                       if( fish->alive == 0 )
+                       if( fish->state == k_fish_state_dead )
                                continue;
                        
-                       if( fish->alive == -1 && (world.frame_lerp > fish->death_time) )
+                       if( fish->state == k_fish_state_soon_dead && (world.frame_lerp > fish->death_time) )
                                continue; // Todo: particle thing?
+                               
+                       struct cell *cell = pcell(fish->pos);
+                       struct cell_description *desc = &cell_descriptions[ cell->config ];
+                       
+                       v2f const *curve;
+                       
+                       float t = world.frame_lerp;
+                       if( fish->flow_reversed && !desc->is_linear )
+                               t = 1.0f-t;
+
+                       v2_copy( fish->physics_co, fish->physics_v );
                        
-                       if( fish->alive == -2 )
+                       switch( cell->config )
                        {
-                               v2_muladds( fish->physics_v, (v2f){ 0.0, -9.8f }, vg_time_delta, fish->physics_v );
-                               v2_muladds( fish->physics_co, fish->physics_v, vg_time_delta, fish->physics_co );
+                               case k_cell_type_merge:
+                                       if( fish->dir[0] == 1 )
+                                               curve = curve_12;
+                                       else
+                                               curve = curve_9;
+                               break;
+                               case k_cell_type_con_r: curve = curve_1; break;
+                               case k_cell_type_con_l: curve = curve_4; break;
+                               case k_cell_type_con_u: curve = curve_2; break;
+                               case k_cell_type_con_d: curve = curve_8; break;
+                               case 3: curve = curve_3; break;
+                               case 6: curve = curve_6; break;
+                               case 9: curve = curve_9; break;
+                               case 12: curve = curve_12; break;
+                               case 7:
+                                       if( t > curve_7_linear_section )
+                                       {
+                                               t -= curve_7_linear_section;
+                                               t *= (1.0f/(1.0f-curve_7_linear_section));
+                                               
+                                               curve = cell->state & FLAG_FLIP_FLOP? curve_7: curve_7_1;
+                                       }
+                                       else curve = NULL;
+                               break;
+                               default: curve = NULL; break;
                        }
-                       else
-                       {               
-                               struct cell *cell = pcell(fish->pos);
-                               v2f const *curve;
-                               
-                               float t = world.frame_lerp;
-                               
-                               v2_copy( fish->physics_co, fish->physics_v );
-                               
-                               switch( cell->config )
-                               {
-                                       case 13:
-                                               if( fish->dir[0] == 1 )
-                                                       curve = curve_12;
-                                               else
-                                                       curve = curve_9;
-                                       break;
-                                       case 1: curve = curve_1; break;
-                                       case 4: curve = curve_4; break;
-                                       case 2: curve = curve_2; break;
-                                       case 8: curve = curve_8; break;
-                                       case 3: curve = curve_3; break;
-                                       case 6: curve = curve_6; break;
-                                       case 9: curve = curve_9; break;
-                                       case 12: curve = curve_12; break;
-                                       case 7:
-                                               if( t > curve_7_linear_section )
-                                               {
-                                                       t -= curve_7_linear_section;
-                                                       t *= (1.0f/(1.0f-curve_7_linear_section));
-                                                       
-                                                       curve = cell->state & FLAG_FLIP_FLOP? curve_7: curve_7_1;
-                                               }
-                                               else curve = NULL;
-                                       break;
-                                       default: curve = NULL; break;
-                               }
 
-                               if( curve )
-                               {
-                                       float t2 = t * t;
-                                       float t3 = t * t * t;
+                       if( curve )
+                       {
+                               float t2 = t * t;
+                               float t3 = t * t * t;
 
-                                       float cA = 3.0f*t2 - 3.0f*t3;
-                                       float cB = 3.0f*t3 - 6.0f*t2 + 3.0f*t;
-                                       float cC = 3.0f*t2 - t3 - 3.0f*t + 1.0f;
+                               float cA = 3.0f*t2 - 3.0f*t3;
+                               float cB = 3.0f*t3 - 6.0f*t2 + 3.0f*t;
+                               float cC = 3.0f*t2 - t3 - 3.0f*t + 1.0f;
 
-                                       fish->physics_co[0] = t3*curve[3][0] + cA*curve[2][0] + cB*curve[1][0] + cC*curve[0][0];
-                                       fish->physics_co[1] = t3*curve[3][1] + cA*curve[2][1] + cB*curve[1][1] + cC*curve[0][1];
-                                       fish->physics_co[0] += (float)fish->pos[0];
-                                       fish->physics_co[1] += (float)fish->pos[1];
-                               }
-                               else
-                               {
-                                       v2f origin;
-                                       origin[0] = (float)fish->pos[0] + (float)fish->dir[0]*-0.5f + 0.5f;
-                                       origin[1] = (float)fish->pos[1] + (float)fish->dir[1]*-0.5f + 0.5f;
-                                       
-                                       fish->physics_co[0] = origin[0] + (float)fish->dir[0]*t;
-                                       fish->physics_co[1] = origin[1] + (float)fish->dir[1]*t;
-                               }
+                               fish->physics_co[0] = t3*curve[3][0] + cA*curve[2][0] + cB*curve[1][0] + cC*curve[0][0];
+                               fish->physics_co[1] = t3*curve[3][1] + cA*curve[2][1] + cB*curve[1][1] + cC*curve[0][1];
+                               fish->physics_co[0] += (float)fish->pos[0];
+                               fish->physics_co[1] += (float)fish->pos[1];
+                       }
+                       else
+                       {
+                               v2f origin;
+                               origin[0] = (float)fish->pos[0] + (float)fish->dir[0]*-0.5f + 0.5f;
+                               origin[1] = (float)fish->pos[1] + (float)fish->dir[1]*-0.5f + 0.5f;
+                               
+                               fish->physics_co[0] = origin[0] + (float)fish->dir[0]*t;
+                               fish->physics_co[1] = origin[1] + (float)fish->dir[1]*t;
                        }
                }
        }
@@ -1784,6 +2078,27 @@ void vg_render(void)
        }
        
        
+       // Level title
+       ui_begin( &ui_global_ctx, 512, 256 );
+       
+       ui_global_ctx.override_colour = 0xff9a8a89;
+       //ui_text( &ui_global_ctx, world.map_title, 6, 0 );
+       ui_global_ctx.override_colour = 0xffffffff;
+       
+       ui_resolve( &ui_global_ctx );
+       
+       m3x3f world_text;
+       m3x3_copy( vg_pv, world_text );
+       m3x3_translate( world_text, (v3f){ 1.55f, 1.9f, 0.0f } );
+       m3x3_rotate( world_text, VG_PIf*0.5f );
+       m3x3_scale( world_text, (v3f){0.01f,-0.01f,0.01f} );
+       
+       ui_draw( &ui_global_ctx, world_text );
+       
+       // Main
+       // =========================================================================================
+       
+       use_mesh( &world.tile );
        SHADER_USE( shader_tile_main );
 
        m2x2f subtransform;
@@ -1811,7 +2126,7 @@ void vg_render(void)
        SHADER_USE( shader_ball );
        glUniformMatrix3fv( SHADER_UNIFORM( shader_ball, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
        
-       vg_tex2d_bind( &tex_ball, 0 );
+       vg_tex2d_bind( &tex_ball_noise, 0 );
        glUniform1i( SHADER_UNIFORM( shader_ball, "uTexMain" ), 0 );
        
        // Draw 'fish'
@@ -1821,10 +2136,10 @@ void vg_render(void)
                {
                        struct fish *fish = &world.fishes[i];
                        
-                       if( fish->alive == 0 )
+                       if( fish->state == k_fish_state_dead || fish->state == k_fish_state_bg )
                                continue;
                        
-                       if( fish->alive == -1 && (world.frame_lerp > fish->death_time) )
+                       if( fish->state == k_fish_state_soon_dead && (world.frame_lerp > fish->death_time) )
                                continue;
                        
                        v4f dot_colour = { 0.0f, 0.0f, 0.0f, 1.0f };
@@ -1832,7 +2147,8 @@ void vg_render(void)
                        
                        glUniform3fv( SHADER_UNIFORM( shader_ball, "uColour" ), 1, dot_colour );
                        glUniform2fv( SHADER_UNIFORM( shader_ball, "uOffset" ), 1, fish->physics_co );
-                       draw_mesh( 0, 32 );
+                       glUniform2f( SHADER_UNIFORM( shader_ball, "uTexOffset" ), (float)i * 1.2334, (float)i * -0.3579f );
+                       draw_mesh( 0, 2 );
                }
        }
        
@@ -1890,7 +2206,7 @@ void vg_render(void)
        }
        
        // Edit overlay
-       if( world.selected != -1 && !(world.data[ world.selected ].state & FLAG_CANAL) )
+       if( world.selected != -1 && !(world.data[ world.selected ].state & FLAG_CANAL) && !id_drag_from )
        {
                v2i new_begin = { world.tile_x - 2, world.tile_y - 2 };
                v2i new_end = { world.tile_x + 2, world.tile_y + 2 };
@@ -1918,9 +2234,19 @@ void vg_render(void)
        glBindVertexArray( world.wire.vao );
 
        glUniformMatrix3fv( SHADER_UNIFORM( shader_wire, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
-       glUniform1f( SHADER_UNIFORM( shader_wire, "uCurve" ), 0.4f );
        glUniform4f( SHADER_UNIFORM( shader_wire, "uColour" ), 0.2f, 0.2f, 0.2f, 1.0f );
-               
+       
+       if( id_drag_from )
+       {
+               glUniform1f( SHADER_UNIFORM( shader_wire, "uCurve" ), 0.4f );
+               glUniform3f( SHADER_UNIFORM( shader_wire, "uStart" ), drag_from_co[0], drag_from_co[1], 0.06f );
+               glUniform3f( SHADER_UNIFORM( shader_wire, "uEnd" ), drag_to_co[0], drag_to_co[1], 0.06f );
+               glDrawElements( GL_TRIANGLES, world.wire.em, GL_UNSIGNED_SHORT, (void*)(0) );
+       }
+       
+       float rp_x1 = world.frame_lerp*9.0f;
+       float rp_x2 = 1.0f-rp_x1*expf(1.0f-rp_x1)* 0.36f;
+       
        for( int y = 2; y < world.h-2; y ++ )
        {
                for( int x = 2; x < world.w-2; x ++ )
@@ -1945,6 +2271,7 @@ void vg_render(void)
                                        endpoint[0] = x+0.5f;
                                        endpoint[1] = y+0.5f;
                                        
+                                       glUniform1f( SHADER_UNIFORM( shader_wire, "uCurve" ), cell->state & FLAG_TRIGGERED? rp_x2 * 0.4f: 0.4f );
                                        glUniform3f( SHADER_UNIFORM( shader_wire, "uStart" ), startpoint[0], startpoint[1], 0.04f );
                                        glUniform3f( SHADER_UNIFORM( shader_wire, "uEnd" ), endpoint[0], endpoint[1], 0.04f );
                                        glDrawElements( GL_TRIANGLES, world.wire.em, GL_UNSIGNED_SHORT, (void*)(0) );
@@ -1987,7 +2314,7 @@ void vg_render(void)
                                        glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1, dot_colour );
                                
                                        // Draw filled if tick not passed, draw empty if empty
-                                       if( world.sim_frame > j && world.sim_run >= k )
+                                       if( (world.sim_frame > j && world.sim_run >= k) || world.sim_run > k )
                                                draw_mesh( empty_start, empty_count );
                                        else
                                                draw_mesh( filled_start, filled_count );
@@ -2026,100 +2353,477 @@ void vg_render(void)
                
        use_mesh( &world.numbers );
        draw_numbers( (v3f){ 2.0f, (float)world.h-1.875f, 0.3333f }, world.score );
+}
+
+static ui_colourset flcol_list_a = {
+       .main = 0xff877979,
+       .hover = 0xffa09393,
+       .active = 0xffbfb1b0
+};
+static ui_colourset flcol_list_b = {
+       .main = 0xff7c6e6e,
+       .hover = 0xffa09393,
+       .active = 0xffbfb1b0
+};
+
+static ui_colourset flcol_list_complete_a = {
+       .main = 0xff62a064,
+       .hover = 0xff8dc18f,
+       .active = 0xffb2ddb3
+};
+
+static ui_colourset flcol_list_complete_b = {
+       .main = 0xff79b37b,
+       .hover = 0xff8dc18f,
+       .active = 0xffb2ddb3
+};
+
+static ui_colourset flcol_list_locked = {
+       .main = 0xff655959,
+       .hover = 0xff655959,
+       .active = 0xff655959
+};
+
+static struct
+{
+       SteamLeaderboard_t steam_leaderboard;
+       int leaderboard_show;
+       
+       struct leaderboard_player
+       {
+               // Internal
+               u64_steamid id;
+               i32 score;
+               int is_local_player;
                
-       // Level selection UI
-       use_mesh( &world.circle );
-       float ratio = ((float)vg_window_x/(float)vg_window_y);
+               // To be displayed
+               char score_text[ 16 ];
+               char player_name[ 48 ];
+               GLuint texture;                 // Not dynamic
+       }
+       leaderboard_players[10];
+       int leaderboard_count;
+       
+       struct
+       {
+               struct cmp_level *level;
+               
+               i32 score;
+               int is_waiting;
+       }
+       upload_request;
        
-       m3x3f ui_view = M3X3_IDENTITY;
-       m3x3_scale( ui_view, (v3f){ 1.0f, ratio, 1.0f } );
-       glUniformMatrix3fv( SHADER_UNIFORM( shader_tile_colour, "uPv" ), 1, GL_FALSE, (float *)ui_view );
+       struct cmp_level *level_selected;
+} 
+ui_data;
 
-       // Calculate mouse in UIsp
-       v3f mouse_ui_space = { ((float)vg_mouse[0] / (float)(vg_window_x)) * 2.0f - 1.0f,
-                                                                 (((float)vg_mouse[1] / (float)(vg_window_y)) * 2.0f - 1.0f)*(-1.0f/ratio), 0.0125f };
+void vg_ui(void)
+{
+       // UI memory
+       static int pack_selection = 0;
+       static struct pack_info
+       {
+               struct cmp_level *levels;
+               u32 level_count;
+               const char *name;
+       }
+       pack_infos[] = 
+       {
+               {
+                       .levels = cmp_levels_tutorials,
+                       .level_count = vg_list_size(cmp_levels_tutorials),
+                       .name = "Training"
+               },
+               {
+                       .levels = cmp_levels_basic,
+                       .level_count = vg_list_size(cmp_levels_basic),
+                       .name = "Main"
+               },
+               {
+                       .levels = cmp_levels_grad,
+                       .level_count = vg_list_size(cmp_levels_tutorials),
+                       .name = "Expert"
+               }
+       };
+       
+       // UI Code
+       ui_global_ctx.cursor[0] = 0;
+       ui_global_ctx.cursor[1] = 0;
+       ui_global_ctx.cursor[2] = 256;
 
-       // Get selected level
-       const float selection_scale = 0.05f;
-       int const level_count = vg_list_size( level_pack_1 );
-       int level_select = -1;
+       gui_fill_y();
+       
+       ui_global_ctx.id_base = 4 << 16;
        
-       if( mouse_ui_space[0] <= -0.8f )
+       gui_new_node();
        {
-               float levels_range = (float)level_count*selection_scale*0.6f;
-               float level_offset = ((-mouse_ui_space[1] + levels_range) / levels_range) * 0.5f * (float)level_count;
-               level_select = ceilf( level_offset );
+               gui_capture_mouse( 9999 );
+               gui_fill_rect( ui_global_ctx.cursor, 0xff5a4e4d );
+               
+               gui_text( "ASSIGNMENTS", 8, 0 );
+               
+               ui_global_ctx.cursor[1] += 30;
+               ui_global_ctx.cursor[3] = 25;
+               
+               gui_new_node();
+               {
+                       ui_rect_pad( ui_global_ctx.cursor, 2 );
+                       ui_global_ctx.cursor[2] = 84;
+                       
+                       for( int i = 0; i < 3; i ++ )
+                       {
+                               if( i == pack_selection )
+                                       gui_override_colours( &flcol_list_locked );
 
-               // Draw selector
-               if( level_select >= 0 && level_select < vg_list_size( level_pack_1 ) )
+                               if( gui_button( 2000 + i ) == k_button_click )
+                                       pack_selection = i;
+                               
+                               ui_global_ctx.cursor[1] += 2;
+                               gui_text( pack_infos[i].name, 4, 0 );
+                               gui_end_right();
+                               
+                               gui_reset_colours();
+                       } 
+               }
+               gui_end_down();
+               
+               ui_global_ctx.cursor[3] = 500;
+               
+               // DRAW LEVEL SELECTION LIST
                {
-                       glUniform4f( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 0.369768f, 0.3654f, 0.42f, 1.0f );
+                       struct cmp_level *levels = pack_infos[ pack_selection ].levels;
+                       int count = pack_infos[ pack_selection ].level_count;
+                       int unlocked = 3000;
+               
+                       static struct ui_scrollbar sb = {
+                               .bar_height = 400
+                       };
                        
-                       use_mesh( &world.tile );
-                       glUniform3f( SHADER_UNIFORM( shader_tile_colour, "uOffset" ), 
-                               -1.0f, 
-                               ((float)level_count - (float)level_select * 2.0f ) * selection_scale * 0.6f,
-                               selection_scale
-                       );
-                       draw_mesh( 2, 2 );
+                       ui_px view_height = ui_global_ctx.cursor[3];
+                       ui_px level_height = 50;
+
+                       // Level scroll view
+                       gui_new_node();
+                       {
+                               gui_fill_rect( ui_global_ctx.cursor, 0xff5a4e4d );
+                               gui_set_clip( ui_global_ctx.cursor );
+                               
+                               ui_global_ctx.cursor[2] = 14;
+                               gui_align_right();
+                               
+                               ui_px content_height = count*level_height;
+                               if( content_height > view_height )
+                               {
+                                       ui_scrollbar( &ui_global_ctx, &sb, 1 );
+                                       ui_global_ctx.cursor[1] -= ui_calculate_content_scroll( &sb, content_height );
+                               }
+                               else
+                               {
+                                       gui_fill_rect( ui_global_ctx.cursor, 0xff807373 );
+                               }
+                               
+                               ui_global_ctx.cursor[2] = 240;
+                               ui_global_ctx.cursor[3] = level_height;
+                               gui_align_left();
+                               
+                               for( int i = 0; i < count; i ++ )
+                               {
+                                       struct cmp_level *lvl_info = &levels[i];
+                               
+                                       if( i < unlocked )
+                                       {
+                                               if( lvl_info->completed_score != 0 )
+                                                       gui_override_colours( i&0x1? &flcol_list_complete_a: &flcol_list_complete_b );
+                                               else
+                                                       gui_override_colours( i&0x1? &flcol_list_a: &flcol_list_b );
+                                       }
+                                       else
+                                               gui_override_colours( &flcol_list_locked );
+                                       
+                                       if( i < unlocked )
+                                       {
+                                               if( gui_button( 2 + i ) == k_button_click )
+                                               {
+                                                       ui_data.level_selected = &levels[i];
+                                                       ui_data.leaderboard_show = 0;
+                                                       
+                                                       if( pack_selection >= 1 )
+                                                               sw_find_leaderboard( ui_data.level_selected->map_name );
+                                               }
+                                               
+                                               ui_global_ctx.override_colour = 0xffffffff;
+                                               gui_text( lvl_info->title, 6, 0 );
+                                               ui_global_ctx.cursor[1] += 18;
+                                               gui_text( "incomplete", 4, 0 );
+                                       }
+                                       else
+                                       {
+                                               gui_button( 2 + i );
+                                               
+                                               ui_global_ctx.override_colour = 0xff786f6f;
+                                               gui_text( "???", 6, 0 );
+                                               ui_global_ctx.cursor[1] += 18;
+                                               gui_text( "locked", 4, 0 );
+                                       }
+                                       
+                                       gui_end_down();
+                               }
+                               
+                               gui_reset_colours();            
+                               gui_release_clip();
+                       }
+                       gui_end_down();
+               }
+       }
+       gui_end_right();
+       
+       // Selected level UI
+       // ============================================================
+       
+       if( ui_data.level_selected )
+       {
+               ui_global_ctx.cursor[0] += 16;
+               ui_global_ctx.cursor[1] += 16;
+               ui_global_ctx.cursor[2] = 512-40;
+               ui_global_ctx.cursor[3] = 560-16;
+               
+               gui_new_node();
+               {
+                       gui_capture_mouse( 9999 );
+                       
+                       gui_fill_rect( ui_global_ctx.cursor, 0xff5a4e4d );
+                       ui_global_ctx.cursor[1] += 4;
+                       gui_text( ui_data.level_selected->title, 6, 0 );
                        
-                       use_mesh( &world.circle );
+                       ui_global_ctx.cursor[1] += 30;
+                       ui_rect_pad( ui_global_ctx.cursor, 8 );
+                       ui_global_ctx.cursor[3] = 300;
+                       
+                       gui_new_node();
+                       {
+                               gui_fill_rect( ui_global_ctx.cursor, 0xff655959 );
+                       }
+                       gui_end_down();
                        
-                       if( vg_get_button_down( "primary" ) )
+                       ui_text_use_paragraph( &ui_global_ctx );
+                       ui_global_ctx.cursor[1] += 2;
+                       
+                       gui_text( ui_data.level_selected->description, 5, 0 );
+                       ui_text_use_title( &ui_global_ctx );
+                       
+                       // Buttons at the bottom
+                       ui_global_ctx.cursor[3] = 25;
+                       ui_global_ctx.cursor[2] = 80;
+                       
+                       gui_align_bottom();
+                       ui_global_ctx.cursor[1] -= 8;
+                       
+                       if( gui_button( 3000 ) == k_button_click )
+                       {
+                               ui_data.level_selected = NULL;
+                       }
+                       gui_text( "BACK", 6, k_text_alignment_center );
+                       gui_end();
+                       
+                       gui_align_right();
+                       ui_global_ctx.cursor[2] = 170;
+                       ui_global_ctx.cursor[0] -= 8 + 170 + 2;
+                       
+                       {
+                               gui_override_colours( &flcol_list_locked );
+                               if( gui_button( 3001 ) == k_button_click )
+                                       vg_error( "UNIMPLEMENTED\n" );
+                               
+                               ui_global_ctx.override_colour = 0xff888888;
+                               
+                               gui_text( "RESTORE SOLUTION", 6, k_text_alignment_center );
+                               gui_end_right();
+                               ui_global_ctx.override_colour = 0xffffffff;
+                       }
+                       
+                       ui_global_ctx.cursor[0] += 2;
+                       ui_global_ctx.cursor[2] = 80;
+                       
+                       {
+                               gui_override_colours( &flcol_list_complete_a );
+                               if( gui_button( 3002 ) == k_button_click )
+                               {
+                                       console_changelevel( 1, &ui_data.level_selected->map_name );
+                                       world.pCmpLevel = ui_data.level_selected;
+
+                                       ui_data.level_selected = NULL;
+                                       ui_data.leaderboard_show = 0;
+                               }
+                               gui_text( "PLAY", 6, k_text_alignment_center );
+                               gui_end();
+                       }
+                       
+                       gui_reset_colours();
+               }
+               gui_end_right();
+               
+               if( ui_data.leaderboard_show )
+               {
+                       ui_global_ctx.cursor[0] += 16;
+                       ui_global_ctx.cursor[2] = 350;
+                       ui_global_ctx.cursor[3] = 25;
+                       
+                       // If has results
+                       gui_new_node();
+                       {
+                               gui_fill_rect( ui_global_ctx.cursor, 0xff5a4e4d );
+                               gui_text( "FRIEND LEADERBOARD", 6, 0 );
+                       }
+                       gui_end_down();
+                       
+                       ui_global_ctx.cursor[1] += 2;
+                               
+                       gui_new_node();
                        {
-                               console_changelevel( 1, level_pack_1 + level_select );
+                               ui_global_ctx.cursor[3] = 32+8;
+                               
+                               for( int i = 0; i < ui_data.leaderboard_count; i ++ )
+                               {
+                                       gui_new_node();
+                                       {
+                                               gui_fill_rect( ui_global_ctx.cursor, i&0x1? flcol_list_a.main: flcol_list_b.main );
+
+                                               ui_global_ctx.cursor[0] += 4;
+                                               ui_global_ctx.cursor[1] += 4;                                                   
+                                               
+                                               // 1,2,3 ...
+                                               static const char *places[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10" };
+                                               gui_text( places[i], 7, 0 );
+                                               ui_global_ctx.cursor[0] += 32;
+                                               
+                                               struct leaderboard_player *player = &ui_data.leaderboard_players[i];
+                                               
+                                               // Players image
+                                               ui_global_ctx.cursor[2] = 32;
+                                               ui_global_ctx.cursor[3] = 32;
+                                               
+                                               gui_new_node();
+                                               {
+                                                       gui_push_image( ui_global_ctx.cursor, player->texture );
+                                               }
+                                               gui_end_right();
+                                               
+                                               // Players name
+                                               gui_text( player->player_name, 7, 0 );
+                                               
+                                               ui_global_ctx.cursor[2] = 50;
+                                               gui_align_right();
+                                               
+                                               gui_text( player->score_text, 7, k_text_alignment_right );
+                                       }
+                                       gui_end_down();
+                                       
+                                       ui_global_ctx.cursor[1] += 2;
+                               }
                        }
+                       gui_end();
                }
        }
-       else mouse_ui_space[1] = INFINITY;
+}
 
-       glUniform4f( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 0.4f, 0.39f, 0.45f, 1.0f );
+void leaderboard_dispatch_score(void)
+{
+       sw_upload_leaderboard_score( 
+               ui_data.upload_request.level->steam_leaderboard, 
+               k_ELeaderboardUploadScoreMethodKeepBest,
+               ui_data.upload_request.score,
+               NULL,
+               0
+       );
+       
+       ui_data.upload_request.is_waiting = 0;
+       
+       vg_success( "Dispatched leaderboard score\n" );
+}
 
-       // Draw levels
-       for( int i = 0; i < level_count; i ++ )
+void leaderboard_found( LeaderboardFindResult_t *pCallback )
+{
+       if( !pCallback->m_bLeaderboardFound )
        {
-               struct career_level *clevel = &career.levels[i];
-       
-               v3f level_ui_space = { 
-                       -0.97f, 
-                       ((float)level_count - (float)i * 2.0f ) * selection_scale * 0.6f + selection_scale * 0.5f,
-                       selection_scale * 0.5f
-               };
-               
-               float scale = vg_clampf( 1.0f - fabsf(level_ui_space[1] - mouse_ui_space[1]) * 2.0f, 0.9f, 1.0f );
-               level_ui_space[2] *= scale;
+               vg_error( "Leaderboard could not be found\n" );
+               ui_data.steam_leaderboard = 0;
+       }
+       else
+       {
+               const char *recieved_name = sw_get_leaderboard_name( pCallback->m_hSteamLeaderboard );
                
-               glUniform3fv( SHADER_UNIFORM( shader_tile_colour, "uOffset" ), 1, level_ui_space );
+               // Update UI state and request entries if this callback found the current UI level
+               if( ui_data.level_selected )
+               {
+                       if( !strcmp( recieved_name, ui_data.level_selected->map_name ) )
+                       {
+                               sw_download_leaderboard_entries( pCallback->m_hSteamLeaderboard, k_ELeaderboardDataRequestFriends, 0, 8 );
+                               ui_data.level_selected->steam_leaderboard = pCallback->m_hSteamLeaderboard;
+                       }
+               }
                
-               if( clevel->completed )
-                       draw_mesh( filled_start, filled_count );
-               else
-                       draw_mesh( empty_start, empty_count );
+               // Dispatch the waiting request if there was one
+               if( ui_data.upload_request.is_waiting )
+               {
+                       if( !strcmp( recieved_name, ui_data.upload_request.level->map_name ) )
+                       {
+                               ui_data.upload_request.level->steam_leaderboard = pCallback->m_hSteamLeaderboard;
+                               leaderboard_dispatch_score();
+                       }
+               }
        }
-       
-       // Level scores
-       use_mesh( &world.numbers );
-       for( int i = 0; i < level_count; i ++ )
+}
+
+void leaderboard_downloaded( LeaderboardScoresDownloaded_t *pCallback )
+{
+       // Update UI if this leaderboard matches what we currently have in view
+       if( ui_data.level_selected->steam_leaderboard == pCallback->m_hSteamLeaderboard )
        {
-               struct career_level *clevel = &career.levels[i];
-       
-               v3f level_ui_space = { 
-                       -0.94f, 
-                       ((float)level_count - (float)i * 2.0f ) * selection_scale * 0.6f + selection_scale * 0.5f,
-                       0.02f
-               };
+               vg_info( "Recieved %d entries\n", pCallback->m_cEntryCount );
+               ui_data.leaderboard_count = VG_MIN( pCallback->m_cEntryCount, 8 );
+               
+               u64_steamid local_player = sw_get_steamid();
                
-               if( clevel->completed )
+               for( int i = 0; i < ui_data.leaderboard_count; i ++ )
                {
-                       draw_numbers( level_ui_space, clevel->score );
+                       LeaderboardEntry_t entry;
+                       sw_get_downloaded_entry( pCallback->m_hSteamLeaderboardEntries, i, &entry, NULL, 0 );
+                       
+                       struct leaderboard_player *player = &ui_data.leaderboard_players[i];
+
+                       player->id = entry.m_steamIDUser.m_unAll64Bits;
+                       strncpy( player->player_name, sw_get_friend_persona_name( player->id ), vg_list_size( player->player_name )-1 );
+                       player->score = entry.m_nScore;
+                       
+                       snprintf( player->score_text, vg_list_size(player->score_text), "%d", player->score );
+                       player->texture = sw_get_player_image( player->id );
+                       
+                       if( player->texture == 0 )
+                               player->texture = tex_unkown.name;
+                               
+                       player->is_local_player = local_player == player->id? 1: 0;
                }
+               
+               if( ui_data.leaderboard_count )
+                       ui_data.leaderboard_show = 1;
+               else
+                       ui_data.leaderboard_show = 0;
        }
-       
-       //use_mesh( &world.numbers );
-       //draw_numbers( (v3f){ 0.0f, -0.5f, 0.1f }, 128765 );
+       else vg_warn( "Downloaded leaderboard does not match requested!\n" );
 }
 
-void vg_ui(void)
+void leaderboard_set_score( struct cmp_level *cmp_level, u32 score )
 {
-       //ui_test();
+       if( ui_data.upload_request.is_waiting )
+               vg_warn( "You are uploading leaderboard entries too quickly!\n" );
+               
+       ui_data.upload_request.level = cmp_level;
+       ui_data.upload_request.score = score;
+       ui_data.upload_request.is_waiting = 1;
+       
+       // If leaderboard ID has been downloaded already then just immediately dispatch this
+       if( cmp_level->steam_leaderboard )
+               leaderboard_dispatch_score();
+       else
+               sw_find_leaderboard( cmp_level->map_name );
 }