//#define VG_STEAM
#include "vg/vg.h"
-SHADER_DEFINE( colour_shader,
+m3x3f m_projection;
+m3x3f m_view;
+m3x3f m_mdl;
- // VERTEX
- "layout (location=0) in vec3 a_co;"
- "uniform mat4 uPv;"
- "uniform mat4 uMdl;"
- ""
- "void main()"
- "{"
- " vec4 vert_pos = uPv * uMdl * vec4( a_co, 1.0 );"
- " gl_Position = vert_pos;"
- "}",
-
- // FRAGMENT
- "out vec4 FragColor;"
- "uniform vec4 uColour;"
- ""
- "void main()"
- "{"
- " FragColor = uColour;"
- "}"
- ,
- UNIFORMS({ "uPv", "uMdl", "uColour" })
-)
-
-mat4 m_projection;
-mat4 m_view;
-mat4 m_mdl;
-
-int main( int argc, char *argv[] )
-{
- vg_init( argc, argv, "FishLadder" );
-}
-
-#define CELL_FLAG_INPUT 0x1
-#define CELL_FLAG_OUTPUT 0x2
- #define CELL_FLAG_IO (CELL_FLAG_INPUT|CELL_FLAG_OUTPUT)
-#define CELL_FLAG_WALL 0x4
-#define CELL_FLAG_HOVER 0x8
-#define CELL_FLAG_ITER 0x10
-#define CELL_FLAG_CANAL 0x20
-#define CELL_FLAG_SPLIT 0x40 /* Does this cell split and have an incoming vertical connection? */
-#define CELL_FLAG_WALKABLE (CELL_FLAG_IO|CELL_FLAG_CANAL)
-#define CELL_FLAG_VISITED 0x80
-#define CELL_FLAG_UPLVL 0x100
-#define CELL_FLAG_MERGE 0x200
-
-static struct
-{
- u32 x,y;
-
- struct cell
- {
- u32 flags;
- u32 model_id;
-
- char *conditions;
-
- int level;
- int state;
- }
- * cells;
-
- struct fish
- {
- int alive;
- int co[2];
- int dir[2];
- char data;
- }
- fishes[ 20 ];
- int num_fishes;
-
- vec3 origin;
- struct cell *selected;
- int select_valid;
- int playing;
- u32 frame;
-
- u32 *io;
-
- struct vstack
- {
- struct vframe
- {
- int x, y;
- int i;
- }
- frames[ 64 ];
-
- int level;
- u32 flags;
- }
- stack;
-}
-map;
-
-static void map_free(void)
-{
- for( int i = 0; i < arrlen( map.io ); i ++ )
- {
- arrfree( map.cells[ map.io[i] ].conditions );
- }
-
- arrfree( map.cells );
- arrfree( map.io );
- map.x = 0;
- map.y = 0;
- map.cells = NULL;
- map.io = NULL;
-}
-
-static struct cell *map_tile_at( int pos[2] )
-{
- if( pos[0] >= 0 && pos[0] < map.x && pos[1] >= 0 && pos[1] < map.y )
- return map.cells + pos[1]*map.x + pos[0];
- return NULL;
-}
-
-static struct cell *map_tile_at_cond( int pos[2], u32 flags )
-{
- struct cell *cell = map_tile_at( pos );
- if( cell && (cell->flags & flags) )
- return cell;
-
- return NULL;
-}
-
-static void map_tile_coords_from_index( int i, int coords[2] )
-{
- coords[0] = i % map.x;
- coords[1] = (i - coords[0])/map.x;
-}
-
-static void map_stack_refresh(void)
-{
- for( int i = 0; i < map.x*map.y; i ++ )
- map.cells[i].flags &= ~CELL_FLAG_VISITED;
-}
-
-static void map_stack_init( int coords[2] )
-{
- map.stack.level = 0;
- map.stack.frames[0].i = 0;
- map.stack.frames[0].x = coords[0];
- map.stack.frames[0].y = coords[1];
-}
-
-static struct cell *map_stack_next(void)
-{
- struct cell *tile = NULL;
-
- while( !tile )
- {
- struct vframe *frame = &map.stack.frames[ map.stack.level ];
-
- int output_dirs[][2] = { {0,-1}, {-1,0}, {1,0} };
-
- if( frame->i < 3 )
- {
- int *dir = output_dirs[ frame->i ];
- tile = map_tile_at( (int[2]){frame->x+dir[0], frame->y+dir[1]} );
- frame->i ++;
-
- if( tile && !(tile->flags & CELL_FLAG_VISITED) )
- {
- map.stack.level ++;
- frame[1].i = 0;
- frame[1].x = frame[0].x+dir[0];
- frame[1].y = frame[0].y+dir[1];
- }
- else
- tile = NULL;
- }
- else
- {
- map.stack.level --;
- tile = NULL;
-
- if( map.stack.level < 0 )
- return NULL;
- }
- }
-
- return tile;
-}
-
-static int map_load( const char *str )
-{
- map_free();
-
- char *c = str;
-
- // Scan for width
- for(;; map.x ++)
- {
- if( str[map.x] == ';' )
- break;
- else if( !str[map.x] )
- {
- vg_error( "Unexpected EOF when parsing level!\n" );
- return 0;
- }
- }
-
- struct cell *row = arraddnptr( map.cells, map.x );
- int cx = 0;
- int reg_start = 0, reg_end = 0;
-
- for(;;)
- {
- if( !*c )
- break;
-
- if( *c == ';' )
- {
- c ++;
-
- // Parse attribs
- if( *c != '\n' )
- {
- while( *c )
- {
- if( reg_start < reg_end )
- {
- if( *c >= 'a' && *c <= 'z' )
- {
- arrpush( map.cells[ map.io[ reg_start ] ].conditions, *c );
- }
- else
- {
- if( *c == ',' || *c == '\n' )
- {
- reg_start ++;
-
- if( *c == '\n' )
- break;
- }
- else
- {
- vg_error( "Unkown attrib '%c' (row: %u)\n", *c, map.y );
- return 0;
- }
- }
- }
- else
- {
- vg_error( "Over-assigned values (row: %u)\n", map.y );
- return 0;
- }
-
- c ++;
- }
- }
-
- if( reg_start != reg_end )
- {
- vg_error( "Not enough values assigned (row: %u, %u of %u)\n", map.y, reg_start, reg_end );
- return 0;
- }
-
- if( cx != map.x )
- {
- vg_error( "Map row underflow (row: %u, %u<%u)\n", map.y, cx, map.x );
- return 0;
- }
-
- row = arraddnptr( map.cells, map.x );
- cx = 0;
- map.y ++;
- reg_end = reg_start = arrlen( map.io );
- }
- else
- {
- if( cx == map.x )
- {
- vg_error( "Map row overflow (row: %u, %u>%u)\n", map.y, cx, map.x );
- return 0;
- }
-
- row[ cx ].conditions = NULL;
-
- // Parse the various cell types
- if( *c == '+' || *c == '-' )
- {
- arrpush( map.io, cx + map.y*map.x );
- row[ cx ++ ].flags = *c == '+'? CELL_FLAG_INPUT: CELL_FLAG_OUTPUT;
- reg_end ++;
- }
- else if( *c == '#' )
- {
- row[ cx ++ ].flags = CELL_FLAG_WALL;
- }
- else
- {
- row[ cx ++ ].flags = 0x00;
- }
- }
-
- c ++;
- }
-
- // Origin top left corner
- map.origin[0] = -((float)map.x) * 0.5f;
- map.origin[2] = -((float)map.y) * 0.5f;
-
- vg_success( "Map loaded! (%u:%u)\n", map.x, map.y );
- return 1;
-}
-
-static int map_tile_availible( int co[2] )
-{
- // Extract 5x5 grid surrounding tile
- u32 blob = 0x1000;
- for( int y = vg_max( co[1]-2, 0 ); y < vg_min( map.y, co[1]+3 ); y ++ )
- for( int x = vg_max( co[0]-2, 0 ); x < vg_min( map.x, co[0]+3 ); x ++ )
- {
- struct cell *cell = map_tile_at( (int[2]){ x, y } );
-
- if( cell && (cell->flags & CELL_FLAG_WALKABLE) )
- blob |= 0x1 << ((y-(co[1]-2))*5 + x-(co[0]-2));
- }
-
- // Run filter over center 3x3 grid to check for invalid configurations
- int kernel[] = { 0, 1, 2, 5, 6, 7, 10, 11, 12 };
- for( int i = 0; i < vg_list_size(kernel); i ++ )
- {
- if( blob & (0x1 << (6+kernel[i])) )
- {
- // (reference window: 0x1CE7) Illegal moves
- // 0100011100010 ;
- // 0000001100011 ;
- // 0000011000110 ;
- // 0110001100000 ;
- // 1100011000000 ;
- // 0100001100010 ;
- // 0100011000010 ;
-
- u32 invalid[] = { 0x8E2, 0x63, 0xC6, 0xC60, 0x18C0, 0x862, 0x8C2 };
- u32 window = blob >> kernel[i];
-
- for( int j = 0; j < vg_list_size(invalid); j ++ )
- if((window & invalid[j]) == invalid[j])
- return 0;
- }
- }
-
- return 1;
-}
-
-void vg_update(void)
-{
- // Update camera
- float ratio = (float)vg_window_y / (float)vg_window_x;
- float const size = 7.5f;
- glm_ortho( -size, size, -size*ratio, size*ratio, 0.1f, 100.f, m_projection );
-
- glm_mat4_identity( m_view );
- glm_translate_z( m_view, -10.f );
- glm_rotate_x( m_view, 1.0f, m_view );
-
- glm_mat4_mul( m_projection, m_view, vg_pv );
-
- // Compute map update
- for( int y = 0; y < map.y; y ++ )
- {
- for( int x = 0; x < map.x; x ++ )
- {
- struct cell *tile, *upper, *lower, *l, *r;
- tile = map_tile_at( (int [2]){ x, y } );
- tile->flags &= ~(CELL_FLAG_SPLIT|CELL_FLAG_MERGE|CELL_FLAG_UPLVL);
-
- if( tile->flags & CELL_FLAG_WALKABLE )
- {
- r = map_tile_at_cond( (int[2]){ x+1, y }, CELL_FLAG_WALKABLE );
- l = map_tile_at_cond( (int[2]){ x-1, y }, CELL_FLAG_WALKABLE );
-
- if( r && l )
- {
- upper = map_tile_at_cond( (int[2]){ x, y-1 }, CELL_FLAG_WALKABLE );
- lower = map_tile_at_cond( (int[2]){ x, y+1 }, CELL_FLAG_WALKABLE );
-
- if( upper )
- {
- tile->flags |= CELL_FLAG_MERGE | CELL_FLAG_UPLVL;
- }
-
- if( lower )
- {
- tile->flags |= CELL_FLAG_SPLIT;
- l->flags |= CELL_FLAG_UPLVL;
- r->flags |= CELL_FLAG_UPLVL;
- }
- }
- }
- }
- }
-
- // Compute classification
- /*
- map_stack_refresh();
-
- for( int i = 0; i < arrlen( map.io ); i ++ )
- {
- struct *cell cell = &map.cells[ map.io ];
- int coords[2];
-
- if( cell->flags & CELL_FLAG_INPUT )
- {
- map_tile_coords_from_index( map.io, coords );
- map_stack_init( coords );
-
- do
- {
- if( cell->flags & CELL_FLAG_CONNECTOR )
- {
-
- }
- }
- while( (cell = map_stack_next()) );
- }
- }*/
-
- // Get mouse ray
- vec3 ray_origin;
- vec3 ray_dir;
-
- mat4 pv_inverse;
- vec4 vp = { 0.f, 0.f, vg_window_x, vg_window_y };
- glm_mat4_inv( vg_pv, pv_inverse );
- glm_unprojecti( (vec3){ vg_mouse_x, vg_window_y-vg_mouse_y, -1.f }, pv_inverse, vp, ray_dir );
- glm_unprojecti( (vec3){ vg_mouse_x, vg_window_y-vg_mouse_y, 0.f }, pv_inverse, vp, ray_origin );
- glm_vec3_sub( ray_dir, ray_origin, ray_dir );
-
- // Get floor tile intersection
- float ray_t = -ray_origin[1] / ray_dir[1];
-
- vec3 tile_pos;
- glm_vec3_copy( ray_origin, tile_pos );
- glm_vec3_muladds( ray_dir, ray_t, tile_pos );
- glm_vec3_sub( tile_pos, map.origin, tile_pos );
-
- int tile_x = floorf( tile_pos[0] );
- int tile_y = floorf( tile_pos[2] );
-
- map.selected = map_tile_at( (int [2]){tile_x, tile_y} );
-
- if( map.playing )
- {
- static int fish_counter = 0;
- fish_counter ++;
-
- if( fish_counter > 20 )
- {
- fish_counter = 0;
-
- // Advance characters
- for( int i = 0; i < map.num_fishes; i ++ )
- {
- struct fish *fish = map.fishes + i;
-
- if( !fish->alive )
- continue;
-
- struct cell *tile, *next;
- tile = map_tile_at( fish->co );
-
- if( tile->flags & CELL_FLAG_OUTPUT )
- {
- vg_info( "Fish got zucced (%d)\n", i );
- fish->alive = 0;
- continue;
- }
-
- int die = 0;
- if( tile->flags & CELL_FLAG_SPLIT )
- {
- die = 1;
- int new_dir[][2] = { {0,-1},{1,0},{-1,0} };
- int *test_dir;
-
- for( int j = 0; j < 3; j ++ )
- {
- test_dir = new_dir[ tile->state ];
- tile->state = (tile->state+1)%3;
-
- next = map_tile_at( (int[2]){ fish->co[0]+test_dir[0], fish->co[1]+test_dir[1] } );
- if( next && (next->flags & (CELL_FLAG_WALKABLE)) )
- {
- fish->dir[0] = test_dir[0];
- fish->dir[1] = test_dir[1];
- die = 0;
- break;
- }
- }
- }
-
- next = map_tile_at( (int[2]){ fish->co[0]+fish->dir[0], fish->co[1]+fish->dir[1] } );
- if( !next || (next && !(next->flags & CELL_FLAG_WALKABLE)) )
- {
- // Try UP
- die = 1;
- }
-
- if( die )
- {
- vg_info( "Fish died! (%d)\n", i );
- fish->alive = 0;
- continue;
- }
-
-
- fish->co[0] += fish->dir[0];
- fish->co[1] += fish->dir[1];
- }
-
- // Try spawn fish
- for( int i = 0; i < arrlen( map.io ); i ++ )
- {
- struct cell *input = &map.cells[ map.io[i] ];
-
- if( input->flags & CELL_FLAG_INPUT )
- {
- if( input->state < arrlen( input->conditions ) )
- {
- struct fish *fish = &map.fishes[ map.num_fishes ];
- map_tile_coords_from_index( map.io[i], fish->co );
-
- int output_dirs[][2] = { {0,-1}, {-1,0}, {1,0} };
- int can_spawn = 0;
-
- for( int i = 0; i < vg_list_size( output_dirs ); i ++ )
- {
- int *dir = output_dirs[i];
- struct cell *next = map_tile_at( (int[2]){ fish->co[0]+dir[0], fish->co[1]+dir[1] } );
- if( next && next->flags & CELL_FLAG_CANAL )
- {
- fish->dir[0] = dir[0];
- fish->dir[1] = dir[1];
- can_spawn = 1;
- }
- }
-
- if( can_spawn )
- {
- fish->alive = 1;
- input->state ++;
- map.num_fishes ++;
- }
- }
- }
- }
-
- vg_info( "There are now %u active fish\n", map.num_fishes );
- }
-
- if( vg_get_button_down( "go" ) )
- {
- map.playing = 0;
- map.num_fishes = 0;
-
- vg_info( "Ending!\n" );
- }
- }
- else
- {
- if( vg_get_button_down( "go" ) )
- {
- map.playing = 1;
-
- // Reset everything
- for( int i = 0; i < map.x*map.y; i ++ )
- map.cells[ i ].state = 0;
-
- vg_info( "Starting!\n" );
- }
-
- if( map.selected )
- {
- map.select_valid = map_tile_availible( (int[2]){ tile_x, tile_y } );
-
- if( map.select_valid )
- {
- if( vg_get_button_down("primary") )
- {
- if( map.selected->flags & CELL_FLAG_CANAL )
- {
- map.selected->flags &= ~(CELL_FLAG_CANAL);
- }
- else
- {
- map.selected->flags |= CELL_FLAG_CANAL;
- }
- }
- }
- }
- }
-}
+int main( int argc, char *argv[] ) { vg_init( argc, argv, "FishLadder" ); }
-GLuint tile_vao;
-GLuint tile_vbo;
+void vg_register(void){}
+void vg_start(void){}
+void vg_update(void){}
-void vg_render(void)
+void vg_render(void)
{
glViewport( 0,0, vg_window_x, vg_window_y );
- glEnable( GL_DEPTH_TEST );
- glClearColor( 0.94f, 0.94f, 0.94f, 1.0f );
+ glDisable( GL_DEPTH_TEST );
+ glClearColor( 0.1f, 0.1f, 0.2f, 1.0f );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
- glBindVertexArray( tile_vao );
-
- SHADER_USE( colour_shader );
- glUniformMatrix4fv( SHADER_UNIFORM( colour_shader, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
-
- for( int y = 0; y < map.y; y ++ )
- {
- for( int x = 0; x < map.x; x ++ )
- {
- glm_mat4_identity( m_mdl );
- glm_translate( m_mdl,
- (vec3){
- map.origin[0] + (float)x + 0.5f,
- 0.f,
- map.origin[2] + (float)y + 0.5f
- }
- );
- glUniformMatrix4fv( SHADER_UNIFORM( colour_shader, "uMdl" ), 1, GL_FALSE, (float *)m_mdl );
-
- struct cell *cell = &map.cells[ y*map.x+x ];
-
- vec4 colour = { 0.7f, 0.7f, 0.7f, 1.f };
-
- if( cell->flags & CELL_FLAG_INPUT ) glm_vec3_copy( (vec3){ 0.9f,0.5f,0.5f }, colour );
- else if( cell->flags & CELL_FLAG_OUTPUT ) glm_vec3_copy( (vec3){ 0.5f,0.9f,0.5f }, colour );
- else if( cell->flags & CELL_FLAG_WALL ) glm_vec3_copy( (vec3){ 0.1f,0.1f,0.1f }, colour );
- else if( cell->flags & CELL_FLAG_CANAL ) glm_vec3_copy( (vec3){ 0.5f,0.5f,0.8f }, colour );
-
- if( cell->flags & CELL_FLAG_SPLIT )
- glm_vec3_copy( (vec3){ 0.6f, 0.f, 0.9f }, colour );
- else if( cell->flags & CELL_FLAG_MERGE )
- glm_vec3_copy( (vec3){ 0.f, 0.6f, 0.8f }, colour );
-
- if( map.selected == cell )
- {
- if( !map.select_valid )
- glm_vec3_copy( (vec3){ 1.f, 0.f, 0.f }, colour );
-
- float flash = sinf( vg_time*2.5f ) * 0.25f + 0.75f;
- glm_vec3_scale( colour, flash, colour );
- }
-
- glUniform4fv( SHADER_UNIFORM( colour_shader, "uColour" ), 1, colour );
- glDrawArrays( GL_TRIANGLES, 0, 6 );
- }
- }
-
- glUniform4f( SHADER_UNIFORM( colour_shader, "uColour" ), 1.f, 0.f, 1.f, 1.f );
-
- for( int i = 0; i < map.num_fishes; i ++ )
- {
- struct fish *fish = map.fishes + i;
-
- if( fish->alive )
- {
- glm_mat4_identity( m_mdl );
- glm_translate( m_mdl,
- (vec3){
- map.origin[0] + (float)fish->co[0] + 0.5f,
- 0.1f,
- map.origin[2] + (float)fish->co[1] + 0.5f
- }
- );
- glm_scale_uni( m_mdl, 0.2f );
- glUniformMatrix4fv( SHADER_UNIFORM( colour_shader, "uMdl" ), 1, GL_FALSE, (float *)m_mdl );
- glDrawArrays( GL_TRIANGLES, 0, 6 );
- }
- }
+ // Rest of drawing code...
}
-void vg_start(void)
-{
- SHADER_INIT( colour_shader );
-
- glGenVertexArrays( 1, &tile_vao );
- glGenBuffers( 1, &tile_vbo );
-
- float quad_mesh[] =
- {
- -0.5f, 0.f, -0.5f,
- -0.5f, 0.f, 0.5f,
- 0.5f, 0.f, 0.5f,
- -0.5f, 0.f, -0.5f,
- 0.5f, 0.f, 0.5f,
- 0.5f, 0.f, -0.5f
- };
-
- glBindVertexArray( tile_vao );
- glBindBuffer( GL_ARRAY_BUFFER, tile_vbo );
- glBufferData
- (
- GL_ARRAY_BUFFER,
- sizeof( quad_mesh ),
- quad_mesh,
- GL_STATIC_DRAW
- );
-
- glVertexAttribPointer( 0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0 );
- glEnableVertexAttribArray( 0 );
-
- VG_CHECK_GL();
-
- map_load
- (
- "#####-#####;aa\n"
- "# #;\n"
- "# #;\n"
- "# -;bb\n"
- "# #;\n"
- "# #;\n"
- "#####+#####;abab\n"
- );
-}
-
-void vg_free(void)
-{
- map_free();
-}
-
-void vg_ui(void)
-{
-
-}
+void vg_ui(void){}
+void vg_free(void){}
projects / fishladder.git / blobdiff