+
+ // SPRITES
+ // ========================================================================================================
+ SHADER_USE( shader_sprite );
+ glUniformMatrix3fv( SHADER_UNIFORM( shader_sprite, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
+
+ vg_tex2d_bind( &tex_sprites, 0 );
+ glUniform1i( SHADER_UNIFORM( shader_sprite, "uTexMain" ), 0 );
+
+ for( int i = 0; i < world.tile_special_count; i ++ )
+ {
+ struct render_cmd *cmd = &world.cmd_buf_specials[i];
+ struct cell *cell = cmd->ptr;
+
+ if( (cell->config == k_cell_type_split) || (cell->state & FLAG_EMITTER) )
+ {
+ v2f center = { cmd->pos[0] + 0.5f, cmd->pos[1] + 0.5f };
+
+ v3f p0 = { 0.0f, 0.0f, 4.0f };
+ v3f p1 = { 0.0f, 0.0f, 4.0f };
+
+ v2_add( center, (v2f){ -0.25f, -0.25f }, p0 );
+ v2_add( center, (v2f){ 0.25f, -0.25f }, p1 );
+
+ render_sprite( k_sprite_jack_1, p0 );
+ render_sprite( k_sprite_jack_2, p1 );
+ }
+ else if( cell->state & FLAG_IS_TRIGGER )
+ {
+ v3f p0 = { 0.0f, 0.0f, 4.0f };
+
+ struct cell_description *desc = &cell_descriptions[ cell->config ];
+
+ v2_add( (v2f){ cmd->pos[0], cmd->pos[1] }, desc->trigger_pos, p0 );
+ render_sprite( desc->trigger_sprite, p0 );
+ }
+ }
+
+ // TEXT ELEMENTS
+ // ========================================================================================================
+ // Old style
+ m3x3f mvp_text;
+ m3x3_identity( mvp_text );
+ m3x3_scale( mvp_text, (v3f){
+ 1.0f/ ((float)UI_GLYPH_SPACING_X*4.0f),
+ 1.0f/ -((float)UI_GLYPH_SPACING_X*4.0f),
+ 1.0f
+ });
+
+ m3x3_mul( vg_pv, mvp_text, mvp_text );
+ ui_draw( &world.st.world_text, mvp_text );
+
+ // WIRES
+ // ========================================================================================================
+ glEnable(GL_BLEND);
+
+ SHADER_USE( shader_wire );
+ glBindVertexArray( world.wire.vao );
+
+ glUniformMatrix3fv( SHADER_UNIFORM( shader_wire, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
+
+ v4f const wire_left_colour = { 0.5f, 0.5f, 0.5f, 1.0f };
+ v4f const wire_right_colour = { 0.2f, 0.2f, 0.2f, 1.0f };
+ v4f const wire_drag_colour = { 0.2f, 0.2f, 0.2f, 0.6f };
+
+ glUniform1f( SHADER_UNIFORM( shader_wire, "uTime" ), world.frame_lerp );
+ glUniform1f( SHADER_UNIFORM( shader_wire, "uGlow" ), 0.0f );
+
+ if( world.id_drag_from )
+ {
+ glUniform4fv( SHADER_UNIFORM( shader_wire, "uColour" ), 1, wire_drag_colour );
+ glUniform1f( SHADER_UNIFORM( shader_wire, "uCurve" ), 0.4f );
+ glUniform3f( SHADER_UNIFORM( shader_wire, "uStart" ), world.drag_from_co[0], world.drag_from_co[1], 0.20f*world.st.world_transition );
+ glUniform3f( SHADER_UNIFORM( shader_wire, "uEnd" ), world.drag_to_co[0], world.drag_to_co[1], 0.20f*world.st.world_transition );
+ glDrawElements( GL_TRIANGLES, world.wire.em, GL_UNSIGNED_SHORT, (void*)(0) );
+ }
+
+ // Pulling animation
+ float rp_x1 = world.frame_lerp*9.0f;
+ float rp_xa = rp_x1*expf(1.0f-rp_x1)* 0.36f;
+ float rp_x2 = 1.0f-rp_xa;
+
+ for( int i = 0; i < world.tile_special_count; i ++ )
+ {
+ struct render_cmd *cmd = &world.cmd_buf_specials[i];
+ struct cell *cell = cmd->ptr;
+
+ if( cell->state & FLAG_TARGETED )
+ {
+ for( int j = 0; j < 2; j ++ )
+ {
+ if( !cell->links[j] )
+ continue;
+
+ struct cell *other_cell = &world.data[ cell->links[ j ]];
+ struct cell_description *desc = &cell_descriptions[ other_cell->config ];
+
+ int x2 = cell->links[j] % world.w;
+ int y2 = (cell->links[j] - x2) / world.w;
+
+ v2f startpoint;
+ v2f endpoint;
+
+ endpoint[0] = (float)cmd->pos[0] + (j? 0.75f: 0.25f);
+ endpoint[1] = (float)cmd->pos[1] + 0.25f;
+
+ startpoint[0] = x2;
+ startpoint[1] = y2;
+
+ v2_add( desc->trigger_pos, startpoint, startpoint );
+
+ if( cmd->ptr->state & FLAG_EMITTER )
+ {
+ v4f wire_colour;
+ colour_code_v3( cmd->ptr->emit[j], wire_colour );
+ wire_colour[3] = 1.0f;
+
+ glUniform4fv( SHADER_UNIFORM( shader_wire, "uColour" ), 1, wire_colour );
+ }
+ else
+ glUniform4fv( SHADER_UNIFORM( shader_wire, "uColour" ), 1, j? wire_right_colour: wire_left_colour );
+
+ glUniform1f( SHADER_UNIFORM( shader_wire, "uCurve" ), other_cell->state & FLAG_TRIGGERED? rp_x2 * 0.4f: 0.4f );
+ glUniform1f( SHADER_UNIFORM( shader_wire, "uGlow" ), other_cell->state & FLAG_TRIGGERED? rp_xa: 0.0f );
+ glUniform3f( SHADER_UNIFORM( shader_wire, "uEnd" ), startpoint[0], startpoint[1], 0.18f*world.st.world_transition );
+ glUniform3f( SHADER_UNIFORM( shader_wire, "uStart" ), endpoint[0], endpoint[1], 0.18f*world.st.world_transition );
+ glDrawElements( GL_TRIANGLES, world.wire.em, GL_UNSIGNED_SHORT, (void*)(0) );
+ }
+ }
+ }
+
+ // WIRE ENDPOINTS
+ // ========================================================================================================
+
+ SHADER_USE( shader_tile_colour );
+ use_mesh( &world.shapes );
+
+ for( int i = 0; i < world.tile_special_count; i ++ )
+ {
+ struct render_cmd *cmd = &world.cmd_buf_specials[i];
+ struct cell *cell = cmd->ptr;
+
+ if( cell->state & FLAG_TARGETED )
+ {
+ for( int j = 0; j < 2; j ++ )
+ {
+ if( !cell->links[j] )
+ continue;
+
+ struct cell *other_cell = &world.data[ cell->links[ j ]];
+ struct cell_description *desc = &cell_descriptions[ other_cell->config ];
+
+ int x2 = cell->links[j] % world.w;
+ int y2 = (cell->links[j] - x2) / world.w;
+
+ v2f pts[2];
+
+ pts[0][0] = (float)cmd->pos[0] + (j? 0.75f: 0.25f);
+ pts[0][1] = (float)cmd->pos[1] + 0.25f;
+
+ pts[1][0] = x2;
+ pts[1][1] = y2;
+
+ v2_add( desc->trigger_pos, pts[1], pts[1] );
+
+ if( cell->state & FLAG_EMITTER )
+ {
+ v4f wire_colour;
+ colour_code_v3( cell->emit[j], wire_colour );
+
+ v3_muls( wire_colour, 0.8f, wire_colour );
+ wire_colour[3] = 1.0f;
+
+ glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1, wire_colour );
+ }
+ else
+ glUniform4fv( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 1,j?wire_right_colour: wire_left_colour );
+
+ for( int i = 0; i < 2; i ++ )
+ {
+ glUniform3f( SHADER_UNIFORM( shader_tile_colour, "uOffset" ),
+ pts[i][0],
+ pts[i][1],
+ 0.08f * world.st.world_transition
+ );
+ draw_mesh( filled_start, filled_count );
+ }
+ }
+ }
+ }
+
+ // SUB SPLITTER DIRECTION
+ // ========================================================================================================
+
+ /*
+ glUniform4f( SHADER_UNIFORM( shader_tile_colour, "uColour" ), 0.9f, 0.35f, 0.1f, 0.75f );
+
+ for( int i = 0; i < world.tile_special_count; i ++ )
+ {
+ struct render_cmd *cmd = &world.cmd_buf_specials[i];
+ struct cell *cell = cmd->ptr;
+
+ if( cell->state & FLAG_TARGETED && cell->config == k_cell_type_split )
+ {
+ glUniform3f( SHADER_UNIFORM( shader_tile_colour, "uOffset" ), cmd->pos[0], cmd->pos[1], 1.0f );
+ draw_mesh( cell->state & FLAG_FLIP_FLOP? 5: 4, 1 );
+ }
+ }
+ */
+
+ // LIGHT FLARES
+ // ========================================================================================================
+ glBlendFunc(GL_ONE, GL_ONE);
+ glBlendEquation(GL_FUNC_ADD);
+
+ SHADER_USE( shader_sprite );
+
+ vg_tex2d_bind( &tex_sprites, 0 );
+ glUniform1i( SHADER_UNIFORM( shader_sprite, "uTexMain" ), 0 );
+
+ for( int i = 0; i < world.tile_special_count; i ++ )
+ {
+ struct render_cmd *cmd = &world.cmd_buf_specials[i];
+ struct cell *cell = cmd->ptr;
+
+ if( cell->config == k_cell_type_split )
+ {
+ v2f center = { cmd->pos[0] + 0.5f, cmd->pos[1] + 0.5f };
+
+ v3f p0 = { 0.0f, 0.0f, 12.0f };
+ v3f p1 = { 0.0f, 0.0f, 12.0f };
+
+ v2_add( center, (v2f){ -0.25f, -0.25f }, p0 );
+ v2_add( center, (v2f){ 0.25f, -0.25f }, p1 );
+
+ if( cell->state & FLAG_TARGETED )
+ {
+ if( cell->state & FLAG_FLIP_FLOP )
+ render_sprite( k_sprite_flare_y, p1 );
+ else
+ render_sprite( k_sprite_flare_b, p0 );
+ }
+ else
+ render_sprite( k_sprite_flare_w, cell->state &FLAG_FLIP_FLOP? p1: p0 );
+ }
+ }
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glBlendEquation(GL_FUNC_ADD);
+