+ 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;
+ }
+ }
+ }
+ }
+ }