add 'graphics.soft-lighting' setting

src/frontend/screens/LevelScreen.cpp

@@ -76,13 +76,14 @@ LevelScreen::LevelScreen(
         engine, *controller, *renderer, assets, *player
     );
 
-    keepAlive(settings.graphics.backlight.observe([=](bool) {
-        player->chunks->saveAndClear();
-        renderer->clear();
-    }));
-    keepAlive(settings.graphics.denseRender.observe([=](bool) {
+    auto resetChunks = [=](bool) {
         player->chunks->saveAndClear();
         renderer->clear();
+    };
+    keepAlive(settings.graphics.backlight.observe(resetChunks));
+    keepAlive(settings.graphics.softLighting.observe(resetChunks));
+    keepAlive(settings.graphics.denseRender.observe([=](bool flag) {
+        resetChunks(flag);
         frontend->getContentGfxCache().refresh();
     }));
     keepAlive(settings.camera.fov.observe([=](double value) {

src/graphics/render/BlocksRenderer.cpp

@@ -9,7 +9,7 @@
 #include "lighting/Lightmap.hpp"
 #include "frontend/ContentGfxCache.hpp"
 
-const glm::vec3 BlocksRenderer::SUN_VECTOR(0.528265f, 0.833149f, -0.163704f);
+const glm::vec3 BlocksRenderer::SUN_VECTOR(0.528265, 0.833149, -0.163704);
 const float DIRECTIONAL_LIGHT_FACTOR = 0.3f;
 
 BlocksRenderer::BlocksRenderer(
@@ -35,8 +35,7 @@ BlocksRenderer::BlocksRenderer(
     blockDefsCache = content.getIndices()->blocks.getDefs();
 }
 
-BlocksRenderer::~BlocksRenderer() {
-}
+BlocksRenderer::~BlocksRenderer() = default;
 
 /// Basic vertex add method
 void BlocksRenderer::vertex(
@@ -480,6 +479,7 @@ void BlocksRenderer::render(
 ) {
     bool denseRender = this->denseRender;
     bool densePass = this->densePass;
+    bool enableAO = settings.graphics.softLighting.get();
     for (const auto drawGroup : *content.drawGroups) {
         int begin = beginEnds[drawGroup][0];
         if (begin == 0) {
@@ -516,7 +516,7 @@ void BlocksRenderer::render(
             switch (def.getModel(state.userbits).type) {
                 case BlockModelType::BLOCK:
                     blockCube({x, y, z}, texfaces, def, vox.state, !def.shadeless,
-                              def.ambientOcclusion);
+                              def.ambientOcclusion && enableAO);
                     break;
                 case BlockModelType::XSPRITE: {
                     if (!denseRender)
@@ -527,7 +527,7 @@ void BlocksRenderer::render(
                 case BlockModelType::AABB: {
                     if (!denseRender)
                     blockAABB({x, y, z}, texfaces, &def, vox.state.rotation,
-                              !def.shadeless, def.ambientOcclusion);
+                              !def.shadeless, def.ambientOcclusion && enableAO);
                     break;
                 }
                 case BlockModelType::CUSTOM: {
@@ -537,7 +537,7 @@ void BlocksRenderer::render(
                         def,
                         vox.state,
                         !def.shadeless,
-                        def.ambientOcclusion
+                        def.ambientOcclusion && enableAO
                     );
                     break;
                 }
@@ -561,6 +561,7 @@ SortingMeshData BlocksRenderer::renderTranslucent(
     size_t totalSize = 0;
 
     bool densePass = this->densePass;
+    bool enableAO = settings.graphics.softLighting.get();
     for (const auto drawGroup : *content.drawGroups) {
         int begin = beginEnds[drawGroup][0];
         if (begin == 0) {
@@ -594,7 +595,7 @@ SortingMeshData BlocksRenderer::renderTranslucent(
             switch (def.getModel(state.userbits).type) {
                 case BlockModelType::BLOCK:
                     blockCube({x, y, z}, texfaces, def, vox.state, !def.shadeless,
-                              def.ambientOcclusion);
+                              def.ambientOcclusion && enableAO);
                     break;
                 case BlockModelType::XSPRITE: {
                     blockXSprite(x, y, z, glm::vec3(1.0f),
@@ -602,13 +603,24 @@ SortingMeshData BlocksRenderer::renderTranslucent(
                     break;
                 }
                 case BlockModelType::AABB: {
-                    blockAABB({x, y, z}, texfaces, &def, vox.state.rotation,
-                              !def.shadeless, def.ambientOcclusion);
+                    blockAABB(
+                        {x, y, z},
+                        texfaces,
+                        &def,
+                        vox.state.rotation,
+                        !def.shadeless,
+                        def.ambientOcclusion && enableAO
+                    );
                     break;
                 }
                 case BlockModelType::CUSTOM: {
-                    blockCustomModel({x, y, z}, def, vox.state,
-                                     !def.shadeless, def.ambientOcclusion);
+                    blockCustomModel(
+                        {x, y, z},
+                        def,
+                        vox.state,
+                        !def.shadeless,
+                        def.ambientOcclusion && enableAO
+                    );
                     break;
                 }
                 default:

src/io/settings_io.cpp

@@ -79,6 +79,7 @@ SettingsHandler::SettingsHandler(EngineSettings& settings) {
     builder.add("ssao", &settings.graphics.ssao);
     builder.add("shadows-quality", &settings.graphics.shadowsQuality);
     builder.add("dense-render-distance", &settings.graphics.denseRenderDistance);
+    builder.add("soft-lighting", &settings.graphics.softLighting);
 
     builder.section("ui");
     builder.add("language", &settings.ui.language);

src/settings.hpp

@@ -85,6 +85,8 @@ struct GraphicsSettings {
     IntegerSetting shadowsQuality {0, 0, 3};
     /// @brief Dense render distance
     IntegerSetting denseRenderDistance {56, 0, 10'000};
+    /// @brief Soft lighting for blocks
+    FlagSetting softLighting {true};
 };
 
 struct PathfindingSettings {