+ */
+
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glBlendEquation(GL_FUNC_ADD);
+
+ use_mesh( &world.tile );
+ SHADER_USE( shader_tile_main );
+ glUniformMatrix3fv( SHADER_UNIFORM( shader_tile_main, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
+
+ // Bind textures
+ glActiveTexture( GL_TEXTURE0 );
+ glBindTexture( GL_TEXTURE_2D, tex_tile_data );
+ glUniform1i( SHADER_UNIFORM( shader_tile_main, "uTexGlyphs" ), 0 );
+
+ glActiveTexture( GL_TEXTURE1 );
+ glBindTexture( GL_TEXTURE_2D, tex_wood );
+ glUniform1i( SHADER_UNIFORM( shader_tile_main, "uTexWood" ), 1 );
+
+ for( int y = 0; y < world.h; y ++ )
+ {
+ for( int x = 0; x < world.w; x ++ )
+ {
+ struct cell *cell = pcell((v2i){x,y});
+ int selected = world.selected == y*world.w + x;
+
+ /*
+ 0000 0 | 0001 1 | 0010 2 | 0011 3
+ | | | | |
+ X | X= | X | X=
+ | | |
+ 0100 4 | 0101 5 | 0110 6 | 0111 7
+ | | | | |
+ =X | =X= | =X | =X=
+ | | |
+ 1000 8 | 1001 9 | 1010 10 | 1011 11
+ | | | | |
+ X | X= | X | X=
+ | | | | | | |
+ 1100 12 | 1101 13 | 1110 14 | 1111 15
+ | | | | |
+ =X | =X= | =X | =X=
+ | | | | | | |
+ */
+
+ int tile_offsets[][2] =
+ {
+ {2, 0}, {0, 3}, {0, 2}, {2, 2},
+ {1, 0}, {2, 3}, {3, 2}, {1, 3},
+ {3, 1}, {0, 1}, {1, 2}, {2, 1},
+ {1, 1}, {3, 3}, {2, 1}, {2, 1}
+ };
+
+ int uv[2] = { 3, 0 };
+
+ if( cell->state & FLAG_CANAL )
+ {
+ uv[0] = tile_offsets[ cell->config ][0];
+ uv[1] = tile_offsets[ cell->config ][1];
+ }
+
+ glUniform4f( SHADER_UNIFORM( shader_tile_main, "uOffset" ), (float)x, (float)y, uv[0], uv[1] ); // TODO: PICK GLYPH
+ draw_mesh( 0, 2 );
+ }
+ }
+
+ SHADER_USE( shader_tile_colour );
+ glUniformMatrix3fv( SHADER_UNIFORM( shader_tile_colour, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
+
+ glDisable(GL_BLEND);
+
+