feat: multiple index buffers per mesh support

src/graphics/render/BlocksRenderer.cpp

@@ -706,6 +706,7 @@ void BlocksRenderer::build(const Chunk* chunk, const Chunks* chunks) {
     vertexCount = 0;
     vertexOffset = 0;
     indexCount = 0;
+    denseRender = settings.graphics.denseRender.get();
 
     render(voxels, beginEnds);
 }
@@ -714,7 +715,7 @@ ChunkMeshData BlocksRenderer::createMesh() {
     return ChunkMeshData{
         MeshData(
             util::Buffer(vertexBuffer.get(), vertexCount),
-            util::Buffer(indexBuffer.get(), indexCount),
+            std::vector<util::Buffer<uint32_t>> {util::Buffer(indexBuffer.get(), indexCount)},
             util::Buffer(
                 ChunkVertex::ATTRIBUTES, sizeof(ChunkVertex::ATTRIBUTES) / sizeof(VertexAttribute)
             )
@@ -727,7 +728,8 @@ ChunkMesh BlocksRenderer::render(const Chunk *chunk, const Chunks *chunks) {
     build(chunk, chunks);
 
     return ChunkMesh{std::make_unique<Mesh<ChunkVertex>>(
-        vertexBuffer.get(), vertexCount, indexBuffer.get(), indexCount
+        vertexBuffer.get(), vertexCount, 
+        std::vector<IndexBufferData> {IndexBufferData {indexBuffer.get(), indexCount}}
     ), std::move(sortingMesh)};
 }
 

src/graphics/render/BlocksRenderer.hpp

@@ -33,6 +33,7 @@ class BlocksRenderer {
     int voxelBufferPadding = 2;
     bool overflow = false;
     bool cancelled = false;
+    bool denseRender = false;
     const Chunk* chunk = nullptr;
     std::unique_ptr<VoxelsVolume> voxelsBuffer;
 
@@ -137,7 +138,7 @@ class BlocksRenderer {
         }
         if ((variant.culling == CullingMode::DISABLED ||
              (variant.culling == CullingMode::OPTIONAL &&
-              settings.graphics.denseRender.get())) &&
+             denseRender)) &&
             vox.id == def.rt.id) {
             return true;
         }

src/graphics/render/ChunksRenderer.cpp

@@ -89,8 +89,7 @@ ChunksRenderer::ChunksRenderer(
     logger.info() << "created " << threadPool.getWorkersCount() << " workers";
 }
 
-ChunksRenderer::~ChunksRenderer() {
-}
+ChunksRenderer::~ChunksRenderer() = default;
 
 const Mesh<ChunkVertex>* ChunksRenderer::render(
     const std::shared_ptr<Chunk>& chunk, bool important

src/graphics/render/commons.hpp

@@ -47,7 +47,7 @@ struct ChunkMeshData {
 };
 
 struct ChunkMesh {
-    std::unique_ptr<Mesh<ChunkVertex> > mesh;
+    std::unique_ptr<Mesh<ChunkVertex>> mesh;
     SortingMeshData sortingMeshData;
     std::unique_ptr<Mesh<ChunkVertex> > sortedMesh = nullptr;
 };