+ config = 0xF;
+ }
+
+ pcell((v2i){x,y})->config = config;
+
+ u8 *info_px = &info_buffer[ (pixel_id ++)*4 ];
+ info_px[0] = height;
+ info_px[1] = cell->state & FLAG_WALL? 0: 255;
+ info_px[2] = 0;
+ info_px[3] = 0;
+ }
+ }
+
+ if( update_texbuffer )
+ {
+ glBindTexture( GL_TEXTURE_2D, world.background_data );
+ glTexSubImage2D( GL_TEXTURE_2D, 0, px0 + 16, py0 + 16, px1-px0, py1-py0, GL_RGBA, GL_UNSIGNED_BYTE, info_buffer );
+ }
+}
+
+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_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;
+
+void vg_update(void)
+{
+ static int curlevel = 0;
+ int changelvl = curlevel;
+ if( vg_get_button_down( "prev" ) ) { if( curlevel > 0 ) changelvl --; }
+ else if( vg_get_button_down( "next" ) ) { if( curlevel < vg_list_size( level_pack )-1 ) changelvl ++; }
+
+ if( changelvl != curlevel )
+ {
+ console_changelevel( 1, level_pack + changelvl );
+ curlevel = changelvl;
+
+ // TEMP!!! code dupe
+ world.simulating = 0;
+ world.num_fishes = 0;
+ world.sim_frame = 0;
+
+ for( int i = 0; i < arrlen( world.io ); i ++ )
+ world.io[i].recv_count = 0;
+
+ vg_info( "Stopping simulation!\n" );
+ }
+
+ // Fit within screen
+
+ float r1 = (float)vg_window_y / (float)vg_window_x,
+ r2 = (float)world.h / (float)world.w,
+ size;
+
+ size = ( r2 < r1? (float)world.w * 0.5f: ((float)world.h * 0.5f) / r1 ) + 2.5f;
+ m3x3_projection( m_projection, -size, size, -size*r1, size*r1 );
+
+ v3f origin;
+ origin[0] = floorf( -0.5f * world.w );
+ origin[1] = floorf( -0.5f * world.h );
+ origin[2] = 0.0f;
+
+ m3x3_identity( m_view );
+ m3x3_translate( m_view, origin );
+ m3x3_mul( m_projection, m_view, vg_pv );
+ vg_projection_update();
+
+ // Input stuff
+ v2_copy( vg_mouse_ws, world.tile_pos );
+
+ world.tile_x = floorf( world.tile_pos[0] );
+ world.tile_y = floorf( world.tile_pos[1] );
+
+ // Tilemap editing
+ if( !world.simulating )
+ {
+ if( cell_interactive( (v2i){ world.tile_x, world.tile_y } ))
+ {
+ world.selected = world.tile_y * world.w + world.tile_x;
+
+ if( vg_get_button_down("primary") )
+ {
+ world.data[ world.selected ].state ^= FLAG_CANAL;