sky-lights fix, graphics.skybox-resolution

src/files/settings_io.cpp

@@ -31,6 +31,7 @@ toml::Wrapper create_wrapper(EngineSettings& settings) {
 	graphics.add("fog-curve", &settings.graphics.fogCurve);
 	graphics.add("backlight", &settings.graphics.backlight);
 	graphics.add("frustum-culling", &settings.graphics.frustumCulling);
+	graphics.add("skybox-resolution", &settings.graphics.skyboxResolution);
 
 	toml::Section& debug = wrapper.add("debug");
 	debug.add("generator-test-mode", &settings.debug.generatorTestMode);

src/frontend/WorldRenderer.cpp

@@ -45,13 +45,15 @@ WorldRenderer::WorldRenderer(Engine* engine,
 	  lineBatch(new LineBatch()),
 	  renderer( new ChunksRenderer(level, cache, engine->getSettings())) {
 
+	auto& settings = engine->getSettings();
 	level->events->listen(EVT_CHUNK_HIDDEN, 
 		[this](lvl_event_type type, Chunk* chunk) {
 			renderer->unload(chunk);
 		}
 	);
 	auto assets = engine->getAssets();
-	skybox = new Skybox(64, assets->getShader("skybox_gen"));
+	skybox = new Skybox(settings.graphics.skyboxResolution, 
+						assets->getShader("skybox_gen"));
 }
 
 WorldRenderer::~WorldRenderer() {

src/settings.h

@@ -45,6 +45,7 @@ struct GraphicsSettings {
 	bool backlight = true;
 	/* Enable chunks frustum culling */
 	bool frustumCulling = true;
+	int skyboxResolution = 64 + 32;
 };
 
 struct DebugSettings {