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reduce allocations while reading chunks data

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This commit is contained in:
MihailRis 2025-12-06 00:58:13 +03:00
parent 21f7390265
commit 9dc9441902
12 changed files with 93 additions and 43 deletions
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12
src/voxels/GlobalChunks.cpp
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@ -98,6 +98,10 @@ std::shared_ptr<Chunk> GlobalChunks::create(int x, int z, bool lighting) {
if (found != chunksMap.end()) {
return found->second;
}
static std::unique_ptr<ubyte[]> voxelDataBuffer = nullptr;
if (voxelDataBuffer == nullptr) {
voxelDataBuffer = std::make_unique<ubyte[]>(CHUNK_DATA_LEN);
}
auto chunk =
chunks_pool.create(x, z, lighting ? lightmaps_pool.create() : nullptr);
@ -106,10 +110,10 @@ std::shared_ptr<Chunk> GlobalChunks::create(int x, int z, bool lighting) {
World& world = *level.getWorld();
auto& regions = world.wfile.get()->getRegions();
if (auto data = regions.getVoxels(chunk->x, chunk->z)) {
if (regions.getVoxels(chunk->x, chunk->z, voxelDataBuffer.get())) {
const auto& indices = *level.content.getIndices();
chunk->decode(data.get());
chunk->decode(voxelDataBuffer.get());
check_voxels(indices, *chunk);
chunk->setBlockInventories(
@ -128,8 +132,8 @@ std::shared_ptr<Chunk> GlobalChunks::create(int x, int z, bool lighting) {
}
}
if (chunk->lightmap) {
if (auto lights = regions.getLights(chunk->x, chunk->z)) {
chunk->lightmap->set(lights.get());
if (regions.getLights(chunk->x, chunk->z, voxelDataBuffer.get())) {
chunk->lightmap->decode(voxelDataBuffer.get());
chunk->flags.loadedLights = true;
}
}