fix up build script
[fishladder.git] / fishladder.c
index 1d93a6088e15d24f782e55fb63b274140aa102d9..68f04febd75e54bd42da4c043bf3d956d0503caf 100644 (file)
@@ -11,7 +11,9 @@ const char *level_pack_1[] = {
        "level3", 
        "level4",
        "level5",
-       "level6"
+       "level6",
+       "level7_combine",
+       "xor_small"
 };
 
 #pragma pack(push,1)
@@ -84,12 +86,18 @@ m3x3f m_projection;
 m3x3f m_view;
 m3x3f m_mdl;
 
-#define FLAG_INPUT 0x1
-#define FLAG_OUTPUT 0x2
-#define FLAG_CANAL 0x4
-#define FLAG_WALL 0x8
+#define FLAG_CANAL             0x1
+#define FLAG_IS_TRIGGER 0x2
+#define FLAG_RESERVED0         0x4
+#define FLAG_RESERVED1         0x8
+
+#define FLAG_INPUT 0x10
+#define FLAG_OUTPUT 0x20
+#define FLAG_WALL 0x40
+
 #define FLAG_FLIP_FLOP 0x100
 #define FLAG_FLIP_ROTATING 0x200
+#define FLAG_TARGETED 0x400
 
 /*
        0000 0   | 0001 1   | 0010 2   | 0011 3
@@ -179,19 +187,25 @@ static void use_mesh( struct mesh *m )
 
 struct world
 {
+#pragma pack(push,1)
        struct cell
        {
-               u32 state;
+               u16 state;
+               u16 links[2];
                u8 config;
+               u8 pad0;
        }
        *data;
+#pragma pack(pop)
        
-       u32 frame;
+       int frame;
        
-       u32 sim_frame;
+       int initialzed;
+       
+       int sim_frame;
        float sim_start;
        int simulating;
-       u32 sim_run;
+       int sim_run, max_runs;
        
        float frame_lerp;
        
@@ -260,11 +274,15 @@ static void map_free(void)
        world.score = 0;
        world.time = 0;
        world.completed = 0;
+       world.max_runs = 0;
+       world.initialzed = 0;
 }
 
 static void map_reclassify( v2i start, v2i end, int update_texbuffer );
 static int map_load( const char *str, const char *name )
 {
+       //TODO: It may be worthwhile, at this point, to switch to binary encoding for save data
+       
        map_free();
 
        char const *c = str;
@@ -285,20 +303,32 @@ static int map_load( const char *str, const char *name )
        int cx = 0;
        int reg_start = 0, reg_end = 0;
        
+       u32 *links_to_make = NULL;
+       int links_satisfied = 0;
+       
+       char link_id_buffer[32];
+       int link_id_n = 0;
+       
        for(;;)
        {
                if( !*c )
                        break;
        
+               if( *c == '\r' ) { c ++; continue; } // fuck off windows
+       
                if( *c == ';' )
                {
                        c ++;
-
+                       
+                       if( *c == '\r' ) c ++;
+                       
                        // Parse attribs
                        if( *c != '\n' )
                        {
                                while( *c )
                                {
+                                       if( *c == '\r' ) { c ++; continue; }
+                                       
                                        if( reg_start < reg_end )
                                        {
                                                struct cell_terminal *terminal = &world.io[ reg_start ];
@@ -321,47 +351,93 @@ static int map_load( const char *str, const char *name )
                                                        {
                                                                terminal->runs[ terminal->run_count ].condition_count = 0;
                                                                terminal->run_count ++;
+                                                               world.max_runs = vg_max( world.max_runs, terminal->run_count );
                                                        }
                                                        else
                                                        {
                                                                vg_error( "Unkown attribute '%c' (row: %u)\n", *c, world.h );
-                                                               return 0;
+                                                               goto IL_REG_ERROR;
                                                        }
                                                }
                                        }
                                        else
                                        {
-                                               vg_error( "Too many values to assign (row: %u)\n", world.h );
-                                               return 0;
+                                               if( links_satisfied < arrlen( links_to_make ) )
+                                               {
+                                                       struct cell *target = &world.data[ links_to_make[ links_satisfied ] ];
+                                                       
+                                                       if( (((u32)*c >= (u32)'0') && ((u32)*c <= (u32)'9')) || *c == '-' )
+                                                       {
+                                                               if( link_id_n >= vg_list_size( link_id_buffer )-1 )
+                                                               {
+                                                                       vg_error( "Number was way too long to be parsed (row: %u)\n", world.h );
+                                                                       goto IL_REG_ERROR;
+                                                               }
+                                                               
+                                                               link_id_buffer[ link_id_n ++ ] = *c;                                                            
+                                                       }
+                                                       else if( *c == ',' || *c == '\n' )
+                                                       {
+                                                               link_id_buffer[ link_id_n ] = 0x00;
+                                                               int value = atoi( link_id_buffer );
+                                                       
+                                                               target->links[value >= 0? 1:0] = abs(value);
+                                                               links_satisfied ++;
+                                                               link_id_n = 0;
+                                                               
+                                                               if( *c == '\n' )
+                                                                       break;
+                                                       }
+                                                       else
+                                                       {
+                                                               vg_error( "Invalid character '%c' (row: %u)\n", *c, world.h );
+                                                               goto IL_REG_ERROR;
+                                                       }
+                                               }
+                                               else
+                                               {
+                                                       vg_error( "Too many values to assign (row: %u)\n", world.h );
+                                                       goto IL_REG_ERROR;
+                                               }
                                        }
                                        
                                        c ++;
                                }
                        }
                        
+                       // Registry length-error checks
                        if( reg_start != reg_end )
                        {
-                               vg_error( "Not enough values assigned (row: %u, %u of %u)\n", world.h, reg_start, reg_end );
-                               return 0;
+                               vg_error( "Not enough spawn values assigned (row: %u, %u of %u)\n", world.h, reg_start, reg_end );
+                               goto IL_REG_ERROR;
+                       }
+                       
+                       if( links_satisfied != arrlen( links_to_make ) )
+                       {
+                               vg_error( "Not enough link values assigned (row: %u, %u of %u)\n", world.h, links_satisfied, arrlen( links_to_make ) );
+                               goto IL_REG_ERROR;
                        }
                        
                        if( cx != world.w )
                        {
                                vg_error( "Not enough cells to match previous row definition (row: %u, %u<%u)\n", world.h, cx, world.w );
-                               return 0;
+                               goto IL_REG_ERROR;
                        }
                        
                        row = arraddnptr( world.data, world.w );
                        cx = 0;
                        world.h ++;
                        reg_end = reg_start = arrlen( world.io );
+                       
+                       arrsetlen( links_to_make, 0 );
+                       links_satisfied = 0;
                }
                else
                {
                        if( cx == world.w )
                        {
                                vg_error( "Too many cells to match previous row definition (row: %u, %u>%u)\n", world.h, cx, world.w );
-                               return 0;
+                               goto IL_REG_ERROR;
                        }
                        
                        // Tile initialization
@@ -379,7 +455,23 @@ static int map_load( const char *str, const char *name )
                                reg_end ++;
                        }
                        else if( *c == '#' ) cell->state = FLAG_WALL;
-                       else if( *c == '*' ) { cell->state = FLAG_CANAL; world.score ++; }
+                       else if( ((u32)*c >= (u32)'A') && ((u32)*c <= (u32)'A'+0xf) )
+                       {
+                               // Canal flag bits (4bit/16 value): 
+                               //                                                      0: Canal present
+                               //                                                      1: Is trigger
+                               //                                                      2: Reserved
+                               //                                                      3: Reserved
+                               
+                               cell->state = ((u32)*c - (u32)'A') & (FLAG_CANAL|FLAG_IS_TRIGGER);
+                               
+                               if( cell->state & FLAG_IS_TRIGGER )
+                                       arrpush( links_to_make, cx + world.h*world.w );
+                               
+                               cell->links[0] = 0;
+                               cell->links[1] = 0;
+                               world.score ++; 
+                       }
                        else cell->state = 0x00;
                        
                        cx ++;
@@ -387,7 +479,7 @@ static int map_load( const char *str, const char *name )
        
                c ++;
        }
-       
+               
        // Update data texture to fill out the background
        {
                u8 info_buffer[64*64*4];
@@ -404,11 +496,58 @@ static int map_load( const char *str, const char *name )
                glTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 64, 64, GL_RGBA, GL_UNSIGNED_BYTE, info_buffer );
        }
        
+       arrfree( links_to_make );
+       
        map_reclassify( NULL, NULL, 1 );
+       
+       // Validate links
+       for( int i = 0; i < world.h*world.w; i ++ )
+       {
+               struct cell *src = &world.data[i];
+               if( src->state & FLAG_IS_TRIGGER )
+               {
+                       int link_id = src->links[0]?0:1;
+                       if( src->links[link_id] <= world.h*world.w )
+                       {               
+                               struct cell *target = &world.data[ src->links[link_id] ];
+                               if( (target->state & FLAG_CANAL) && (target->config == k_cell_type_split) )
+                               {
+                                       if( target->links[ link_id ] )
+                                       {
+                                               vg_error( "Link target was already targeted\n" );
+                                               goto IL_REG_ERROR;
+                                       }
+                                       else
+                                       {
+                                               // Valid link
+                                               target->links[ link_id ] = i;
+                                               target->state |= FLAG_TARGETED;
+                                       }
+                               }
+                               else
+                               {
+                                       vg_error( "Link target was invalid\n" );
+                                       goto IL_REG_ERROR;
+                               }
+                       }
+                       else
+                       {
+                               vg_error( "Link target out of bounds\n" );
+                               goto IL_REG_ERROR;
+                       }
+               }
+       }
+       
        vg_success( "Map '%s' loaded! (%u:%u)\n", name, world.w, world.h );
        
        strncpy( world.map_name, name, vg_list_size( world.map_name )-1 );
+       world.initialzed = 1;
        return 1;
+       
+IL_REG_ERROR:
+       arrfree( links_to_make );
+       map_free();
+       return 0;
 }
 
 static struct cell *pcell( v2i pos )
@@ -427,7 +566,10 @@ static void map_serialize( FILE *stream )
                        if( cell->state & FLAG_WALL ) fputc( '#', stream );
                        else if( cell->state & FLAG_INPUT ) fputc( '+', stream );
                        else if( cell->state & FLAG_OUTPUT ) fputc( '-', stream );
-                       else if( cell->state & FLAG_CANAL ) fputc( '*', stream );
+                       else if( cell->state & (FLAG_CANAL|FLAG_IS_TRIGGER|FLAG_RESERVED0|FLAG_RESERVED1) ) 
+                       {
+                               fputc( (cell->state & (FLAG_CANAL|FLAG_IS_TRIGGER|FLAG_RESERVED0|FLAG_RESERVED1)) + (u32)'A', stream );
+                       }
                        else fputc( ' ', stream );
                }
                
@@ -460,6 +602,19 @@ static void map_serialize( FILE *stream )
                        }
                }
                
+               for( int x = 0; x < world.w; x ++ )
+               {
+                       struct cell *cell = pcell( (v2i){ x,y } );
+                       if( cell->state & FLAG_IS_TRIGGER )
+                       {
+                               if( terminal_write_count )
+                                       fputc( ',', stream );
+                               terminal_write_count ++;
+                               
+                               fprintf( stream, "%d", cell->links[0]? -cell->links[0]: cell->links[1] );
+                       }
+               }
+               
                fputc( '\n', stream );
        }
 }
@@ -471,6 +626,12 @@ int main( int argc, char *argv[] )
 
 static int console_save_map( int argc, char const *argv[] )
 {
+       if( !world.initialzed )
+       {
+               vg_error( "Tried to save uninitialized map!\n" );
+               return 0;
+       }
+
        char map_path[ 256 ];
 
        strcpy( map_path, "sav/" );
@@ -480,6 +641,7 @@ static int console_save_map( int argc, char const *argv[] )
        FILE *test_writer = fopen( map_path, "wb" );
        if( test_writer )
        {
+               vg_info( "Saving map to '%s'\n", map_path );
                map_serialize( test_writer );
                
                fclose( test_writer );
@@ -516,14 +678,17 @@ 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;
+                       
                        if( !map_load( text_source, argv[0] ) )
-                               map_free();
+                       {
+                               free( text_source );
+                               return 0;
+                       }
                        
                        free( text_source );
                        
-                       // Update career link
-                       world.ptr_career_level = NULL;
-                       
                        for( int i = 0; i < vg_list_size( level_pack_1 ); i ++ )
                        {
                                if( !strcmp( level_pack_1[i], argv[0] ) )
@@ -577,12 +742,12 @@ static int console_changelevel( int argc, char const *argv[] )
        if( argc >= 1 )
        {
                // Save current level
-               if( console_save_map( 0, NULL ) )
-                       if( console_load_map( argc, argv ) )
-                       {                               
-                               simulation_stop();
-                               return 1;
-                       }
+               console_save_map( 0, NULL );
+               if( console_load_map( argc, argv ) )
+               {                               
+                       simulation_stop();
+                       return 1;
+               }
        }
        else
        {
@@ -595,17 +760,17 @@ static int console_changelevel( int argc, char const *argv[] )
 void vg_start(void)
 {
        vg_function_push( (struct vg_cmd){
-               .name = "map_write",
+               .name = "_map_write",
                .function = console_save_map
        });
        
        vg_function_push( (struct vg_cmd){
-               .name = "map_load",
+               .name = "_map_load",
                .function = console_load_map
        });
        
        vg_function_push( (struct vg_cmd){
-               .name = "changelevel",
+               .name = "map",
                .function = console_changelevel
        });
 
@@ -865,11 +1030,14 @@ 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}};
 
@@ -905,9 +1073,15 @@ 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 )
        {
+               v2_copy( vg_mouse_ws, drag_to_co );
+       
                if( cell_interactive( (v2i){ world.tile_x, world.tile_y } ))
                {
                        world.selected = world.tile_y * world.w + world.tile_x;
@@ -925,7 +1099,7 @@ void vg_update(void)
                        {
                                cell_ptr->state &= ~FLAG_CANAL;
                                cell_ptr->state |= modify_state;
-                       
+                               
                                if( cell_ptr->state & FLAG_CANAL )
                                {
                                        sfx_set_playrnd( &audio_tile_mod, &audio_system_sfx, 3, 6 );
@@ -933,18 +1107,103 @@ void vg_update(void)
                                }
                                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 );
                        }
+                       
+                       if( vg_get_button_down("secondary") && !(cell_ptr->config == k_cell_type_split) )
+                       {
+                               id_drag_from = world.selected;
+                               drag_from_co[0] = world.tile_x + 0.5f;
+                               drag_from_co[1] = world.tile_y + 0.5f;
+                       }
+                       
+                       if( id_drag_from && (cell_ptr->config == k_cell_type_split) )
+                       {
+                               float local_x = vg_mouse_ws[0] - (float)world.tile_x;
+                               drag_to_co[0] = (float)world.tile_x + (local_x > 0.5f? 0.75f: 0.25f);
+                               drag_to_co[1] = (float)world.tile_y + 0.25f;
+
+                               if( vg_get_button_up("secondary") )
+                               {
+                                       struct cell *drag_ptr = &world.data[id_drag_from];
+                                       u32 link_id = local_x > 0.5f? 1: 0;
+                                       
+                                       // Cleanup existing connections
+                                       if( cell_ptr->links[ link_id ] )
+                                       {
+                                               vg_warn( "Destroying existing connection on link %u (%hu)\n", link_id, cell_ptr->links[ link_id ] );
+                                               
+                                               struct cell *current_connection = &world.data[ cell_ptr->links[ link_id ]];
+                                               current_connection->state &= ~FLAG_IS_TRIGGER;
+                                               current_connection->links[ link_id ] = 0;
+                                       }
+                                       
+                                       if( drag_ptr->links[ link_id ^ 0x1 ] )
+                                       {
+                                               vg_warn( "Destroying alternate link %u (%hu)\n", link_id ^ 0x1, drag_ptr->links[ link_id ^ 0x1 ] );
+                                               
+                                               struct cell *current_connection = &world.data[ drag_ptr->links[ link_id ^ 0x1 ]];
+                                               if( !current_connection->links[ link_id ] )
+                                                       current_connection->state &= ~FLAG_TARGETED;
+                                               
+                                               current_connection->links[ link_id ^ 0x1 ] = 0;
+                                               drag_ptr->links[ link_id ^ 0x1 ] = 0;
+                                       }
+                                       
+                                       // Create the new connection
+                                       vg_success( "Creating connection on link %u (%hu)\n", link_id, id_drag_from );
+                                               
+                                       cell_ptr->links[ link_id ] = id_drag_from;
+                                       drag_ptr->links[ link_id ] = world.selected;
+                                       
+                                       cell_ptr->state |= FLAG_TARGETED;
+                                       drag_ptr->state |= FLAG_IS_TRIGGER;
+                                       id_drag_from = 0;
+                               }
+                       }
                }
                else
                        world.selected = -1;
+                       
+               if( vg_get_button("secondary") && id_drag_from )
+               {
+                       vg_line2( drag_from_co, drag_to_co, 0xff00ff00, 0xffffff00 );
+               }
+               else
+               {
+                       id_drag_from = 0;
+               }
+       }
+       else
+       {
+               world.selected = -1;
+               id_drag_from = 0;
        }
-       else world.selected = -1;
        
        // Simulation stop/start
        if( vg_get_button_down("go") )
@@ -963,6 +1222,7 @@ void vg_update(void)
                        world.num_fishes = 0;
                        world.sim_frame = 0;
                        world.sim_start = vg_time;
+                       world.sim_run = 0;
                        
                        for( int i = 0; i < world.w*world.h; i ++ )
                                world.data[ i ].state &= ~FLAG_FLIP_FLOP;
@@ -1030,7 +1290,8 @@ void vg_update(void)
                                        fish->dir[0] = cell_current->state&FLAG_FLIP_FLOP?1:-1;
                                        fish->dir[1] = 0;
                                        
-                                       cell_current->state ^= FLAG_FLIP_FLOP;
+                                       if( !(cell_current->state & FLAG_TARGETED) )
+                                               cell_current->state ^= FLAG_FLIP_FLOP;
                                }
                                else if( cell_current->config == k_cell_type_merge )
                                {
@@ -1045,7 +1306,7 @@ void vg_update(void)
                                        {
                                                // Try other directions for valid, so down, left, right..
                                                v2i dirs[] = {{1,0},{-1,0},{0,-1}};
-                                               vg_info( "Trying some other directions...\n" );
+                                               //vg_info( "Trying some other directions...\n" );
                                                
                                                for( int j = 0; j < vg_list_size(dirs); j ++ )
                                                {
@@ -1091,6 +1352,23 @@ void vg_update(void)
                                                sfx_set_playrnd( &audio_splitter, &audio_system_balls_important, 0, 1 );
                                                cell_entry->state |= FLAG_FLIP_ROTATING;
                                        }
+                                       
+                                       if( cell_entry->state & FLAG_IS_TRIGGER )
+                                       {
+                                               int trigger_id = cell_entry->links[0]?0:1;
+                                               int connection_id = cell_entry->links[trigger_id];
+                                               int target_px = connection_id % world.w;
+                                               int target_py = (connection_id - target_px)/world.w;
+                                               
+                                               vg_line2( (v2f){ fish->pos[0], fish->pos[1] }, (v2f){ target_px, target_py }, 0xffffffff, 0xffffffff );
+                                               
+                                               struct cell *target_peice = &world.data[ cell_entry->links[trigger_id] ];
+                                               
+                                               if( trigger_id )
+                                                       target_peice->state |= FLAG_FLIP_FLOP;
+                                               else
+                                                       target_peice->state &= ~FLAG_FLIP_FLOP;
+                                       }
                                }
                                
                                if( fish->alive )
@@ -1189,15 +1467,26 @@ void vg_update(void)
                                
                                if( world.completed )
                                {
-                                       vg_success( "Level passed!\n" );
-                                       
-                                       u32 score = 0;
-                                       for( int i = 0; i < world.w*world.h; i ++ )
-                                               if( world.data[ i ].state & FLAG_CANAL )
-                                                       score ++;
-                                       
-                                       world.score = score;
-                                       world.time = world.sim_frame;
+                                       if( world.sim_run < world.max_runs-1 )
+                                       {
+                                               vg_success( "Run passed, starting next\n" );
+                                               world.sim_run ++;
+                                               world.sim_frame = 0;
+                                               world.sim_start = vg_time;
+                                               continue;
+                                       }
+                                       else
+                                       {
+                                               vg_success( "Level passed!\n" );
+                                               
+                                               u32 score = 0;
+                                               for( int i = 0; i < world.w*world.h; i ++ )
+                                                       if( world.data[ i ].state & FLAG_CANAL )
+                                                               score ++;
+                                               
+                                               world.score = score;
+                                               world.time = world.sim_frame;
+                                       }
                                }
                                else
                                {
@@ -1256,6 +1545,8 @@ void vg_update(void)
                                                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;
@@ -1487,33 +1778,74 @@ void vg_render(void)
                {
                        struct cell *cell = pcell((v2i){x,y});
 
-                       if( cell->config == k_cell_type_split )
+                       if( cell->state & FLAG_CANAL )
                        {
-                               float rotation = cell->state & FLAG_FLIP_FLOP? vg_rad( -45.0f ): vg_rad( 45.0f );
-                               
-                               if( cell->state & FLAG_FLIP_ROTATING )
+                               if( cell->state & FLAG_IS_TRIGGER )
                                {
-                                       if( (world.frame_lerp > curve_7_linear_section) )
+                                       int trigger_id = cell->links[0]?0:1;
+                                       
+                                       int x2 = cell->links[trigger_id] % world.w;
+                                       int y2 = (cell->links[trigger_id] - x2) / world.w;
+                                       
+                                       v2f startpoint; 
+                                       v2f midpoint;
+                                       v2f endpoint;
+                                       
+                                       startpoint[0] = (float)x2 + (trigger_id? 0.75f: 0.25f);
+                                       startpoint[1] = (float)y2 + 0.25f;
+                                       
+                                       endpoint[0] = x+0.5f;
+                                       endpoint[1] = y+0.5f;
+                                       v2_add( startpoint, endpoint, midpoint );
+                                       v2_muls( midpoint, 0.5f, midpoint );
+                                       midpoint[1] += -0.8f;
+                                       
+                                       float t, ta;
+                                       v2f lastpoint; v2f curpoint;
+                                       v2_copy( startpoint, lastpoint );
+                                       
+                                       for( int i = 0; i < 10; i ++ )
                                        {
-                                               float const rotation_speed = 0.4f;
-                                               if( (world.frame_lerp < 1.0f-rotation_speed) )
+                                               t = ((float)i+1.f)/10.0f;
+                                               ta = 1.0f-t;
+                                               
+                                               v2_muls( startpoint, ta*ta, curpoint );
+                                               v2_muladds( curpoint, midpoint, 2.0f*ta*t, curpoint );
+                                               v2_muladds( curpoint, endpoint, t*t, curpoint );
+                                               
+                                               vg_line2( lastpoint, curpoint, 0xff444444, 0xff444444 );
+                                               v2_copy( curpoint, lastpoint );
+                                       }
+                               }
+                       
+                               if( cell->config == k_cell_type_split )
+                               {
+                                       float rotation = cell->state & FLAG_FLIP_FLOP? vg_rad( -45.0f ): vg_rad( 45.0f );
+                                       
+                                       if( cell->state & FLAG_FLIP_ROTATING )
+                                       {
+                                               if( (world.frame_lerp > curve_7_linear_section) )
                                                {
-                                                       float t = world.frame_lerp - curve_7_linear_section;
-                                                       t *= -2.0f * (1.0f/(1.0f-(curve_7_linear_section+rotation_speed)));
-                                                       t += 1.0f;
-                                                       
-                                                       rotation *= t;
+                                                       float const rotation_speed = 0.4f;
+                                                       if( (world.frame_lerp < 1.0f-rotation_speed) )
+                                                       {
+                                                               float t = world.frame_lerp - curve_7_linear_section;
+                                                               t *= -2.0f * (1.0f/(1.0f-(curve_7_linear_section+rotation_speed)));
+                                                               t += 1.0f;
+                                                               
+                                                               rotation *= t;
+                                                       }
+                                                       else
+                                                               rotation *= -1.0f;
                                                }
-                                               else
-                                                       rotation *= -1.0f;
                                        }
-                               }
 
-                               m2x2_create_rotation( subtransform, rotation );
+                                       m2x2_create_rotation( subtransform, rotation );
 
-                               glUniformMatrix2fv( SHADER_UNIFORM( shader_tile_main, "uSubTransform" ), 1, GL_FALSE, (float *)subtransform );  
-                               glUniform4f( SHADER_UNIFORM( shader_tile_main, "uOffset" ), (float)x, (float)y + 0.125f, 0.0f, 0.0f );
-                               draw_mesh( 0, 2 );
+                                       glUniformMatrix2fv( SHADER_UNIFORM( shader_tile_main, "uSubTransform" ), 1, GL_FALSE, (float *)subtransform );  
+                                       glUniform4f( SHADER_UNIFORM( shader_tile_main, "uOffset" ), (float)x, (float)y + 0.125f, cell->state & FLAG_TARGETED? 3.0f: 0.0f, 0.0f );
+                                       draw_mesh( 0, 2 );
+                               }
                        }
                }
        }
@@ -1561,38 +1893,42 @@ void vg_render(void)
 
                v4f dot_colour = { 0.0f, 0.0f, 0.0f, 1.0f };
                
-               // TODO: Iterate runs
-               for( int j = 0; j < term->runs[0].condition_count; j ++ )
+               for( int k = 0; k < term->run_count; k ++ )
                {
-                       float y_offset = is_input? 1.2f: -0.2f;
-                       glUniform3f( SHADER_UNIFORM( shader_tile_colour, "uOffset" ), (float)posx + 0.2f + 0.2f * (float)j, (float)posy + y_offset, 0.1f );
-                       
-                       if( is_input )
+                       for( int j = 0; j < term->runs[k].condition_count; j ++ )
                        {
-                               colour_code_v3( term->runs[0].conditions[j], dot_colour );
-                               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 )
-                                       draw_mesh( empty_start, empty_count );
+                               float y_offset = is_input? 1.2f: -0.2f;
+                               y_offset += (is_input? 0.2f: -0.2f) * (float)k;
+                               
+                               glUniform3f( SHADER_UNIFORM( shader_tile_colour, "uOffset" ), (float)posx + 0.2f + 0.2f * (float)j, (float)posy + y_offset, 0.1f );
+                               
+                               if( is_input )
+                               {
+                                       colour_code_v3( term->runs[k].conditions[j], dot_colour );
+                                       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 )
+                                               draw_mesh( empty_start, empty_count );
+                                       else
+                                               draw_mesh( filled_start, filled_count );
+                               }
                                else
-                                       draw_mesh( filled_start, filled_count );
-                       }
-                       else
-                       {
-                               if( term->runs[0].recv_count > j )
                                {
-                                       colour_code_v3( term->runs[0].recieved[j], dot_colour );
-                                       v3_muls( dot_colour, 0.8f, dot_colour );
+                                       if( term->runs[k].recv_count > j )
+                                       {
+                                               colour_code_v3( term->runs[k].recieved[j], dot_colour );
+                                               v3_muls( dot_colour, 0.8f, dot_colour );
+                                               glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1, dot_colour );
+                                               
+                                               draw_mesh( filled_start, filled_count );
+                                       }
+                                       
+                                       colour_code_v3( term->runs[k].conditions[j], dot_colour );
                                        glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1, dot_colour );
                                        
-                                       draw_mesh( filled_start, filled_count );
+                                       draw_mesh( empty_start, empty_count );
                                }
-                               
-                               colour_code_v3( term->runs[0].conditions[j], dot_colour );
-                               glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1, dot_colour );
-                               
-                               draw_mesh( empty_start, empty_count );
                        }
                }
        }