+ // I/O ARRAYS
+ // ========================================================================================================
+
+ //glEnable(GL_BLEND);
+ SHADER_USE( shader_tile_colour );
+ glUniformMatrix3fv( SHADER_UNIFORM( shader_tile_colour, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
+
+ for( int i = 0; i < arrlen( world.io ); i ++ )
+ {
+ struct cell_terminal *term = &world.io[ i ];
+ struct cell *cell = pcell(term->pos);
+
+ int is_input = cell->state & FLAG_INPUT;
+ v4f dot_colour = { 0.0f, 0.0f, 0.0f, 1.0f };
+
+ if( cell->state & FLAG_EMITTER )
+ {
+ for( int j = 0; j < 2; j ++ )
+ {
+ if( cell->emit[j] != -1 )
+ {
+ colour_code_v3( cell->emit[j], dot_colour );
+
+ glUniform3f( SHADER_UNIFORM( shader_tile_colour, "uOffset" ),
+ term->pos[0] + 0.25f + (float)j * 0.5f,
+ term->pos[1] + 0.25f,
+ 0.12f
+ );
+
+ glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1, dot_colour );
+ draw_mesh( filled_start, filled_count );
+ }
+ }
+ continue;
+ }
+
+ for( int k = 0; k < term->run_count; k ++ )
+ {
+ float arr_base = is_input? 1.2f: -0.2f,
+ run_offset = (is_input? 0.2f: -0.2f) * (float)k,
+ y_position = is_input?
+ (arr_base + (float)term->pos[1] + (float)(term->run_count-1)*0.2f) - run_offset:
+ (float)term->pos[1] + arr_base + run_offset;
+
+ v4f bar_colour;
+ int bar_draw = 0;
+
+ if( is_simulation_running() )
+ {
+ if( k == world.sim_run )
+ {
+ float a = fabsf(sinf( vg_time * 2.0f )) * 0.075f + 0.075f;
+
+ v4_copy( (v4f){ 1.0f, 1.0f, 1.0f, a }, bar_colour );
+ }
+ else
+ v4_copy( (v4f){ 0.0f, 0.0f, 0.0f, 0.13f }, bar_colour );
+
+ bar_draw = 1;
+ }
+ else if( 1 || k & 0x1 )
+ {
+ if( k & 0x1 )
+ v4_copy( (v4f){ 1.0f, 1.0f, 1.0f, 0.07f }, bar_colour );
+ else
+ v4_copy( (v4f){ 0.0f, 0.0f, 0.0f, 0.13f }, bar_colour );
+
+ bar_draw = 1;
+ }
+
+ if( bar_draw )
+ {
+ glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1, bar_colour );
+ glUniform3f( SHADER_UNIFORM( shader_tile_colour, "uOffset" ),
+ (float)term->pos[0], y_position - 0.1f, 1.0f );
+
+ draw_mesh( 2, 2 );
+ }
+
+ for( int j = 0; j < term->runs[k].step_count; j ++ )
+ {
+ glUniform3f( SHADER_UNIFORM( shader_tile_colour, "uOffset" ),
+ (float)term->pos[0] + 0.2f + 0.2f * (float)j,
+ y_position,
+ 0.1f
+ );
+
+ if( is_input )
+ {
+ i8 colour = term->runs[k].steps[j];
+ if( colour != -1 )
+ {
+ colour_code_v3( colour, 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) || world.sim_run > k )
+ draw_mesh( empty_start, empty_count );
+ else
+ draw_mesh( filled_start, filled_count );
+ }
+ }
+ else
+ {
+
+ 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].steps[j], dot_colour );
+ glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1, dot_colour );
+
+ draw_mesh( empty_start, empty_count );
+ }
+ }
+ }
+ }
+