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make chunk lightmap optional

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This commit is contained in:
MihailRis 2025-11-23 15:22:18 +03:00
parent 64f7c19766
commit 5250c748be
12 changed files with 103 additions and 73 deletions
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12
src/voxels/Chunks.cpp
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@ -115,9 +115,10 @@ ubyte Chunks::getLight(int32_t x, int32_t y, int32_t z, int channel) const {
if (chunk == nullptr) {
return 0;
}
assert(chunk->lightmap != nullptr);
int lx = x - cx * CHUNK_W;
int lz = z - cz * CHUNK_D;
return chunk->lightmap.get(lx, y, lz, channel);
return chunk->lightmap->get(lx, y, lz, channel);
}
light_t Chunks::getLight(int32_t x, int32_t y, int32_t z) const {
@ -135,9 +136,10 @@ light_t Chunks::getLight(int32_t x, int32_t y, int32_t z) const {
if (chunk == nullptr) {
return 0;
}
assert(chunk->lightmap != nullptr);
int lx = x - cx * CHUNK_W;
int lz = z - cz * CHUNK_D;
return chunk->lightmap.get(lx, y, lz);
return chunk->lightmap->get(lx, y, lz);
}
Chunk* Chunks::getChunkByVoxel(int32_t x, int32_t y, int32_t z) const {
@ -373,7 +375,8 @@ void Chunks::getVoxels(VoxelsVolume& volume, bool backlight) const {
}
} else {
const voxel* cvoxels = chunk->voxels;
const light_t* clights = chunk->lightmap.getLights();
const light_t* clights =
chunk->lightmap ? chunk->lightmap->getLights() : nullptr;
for (int ly = y; ly < y + h; ly++) {
for (int lz = std::max(z, cz * CHUNK_D);
lz < std::min(z + d, (cz + 1) * CHUNK_D);
@ -390,7 +393,8 @@ void Chunks::getVoxels(VoxelsVolume& volume, bool backlight) const {
CHUNK_D
);
voxels[vidx] = cvoxels[cidx];
light_t light = clights[cidx];
light_t light = clights ? clights[cidx]
: Lightmap::SUN_LIGHT_ONLY;
if (backlight) {
const auto block =
indices.blocks.get(voxels[vidx].id);