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More preparation for biome smoothing

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This commit is contained in:
Matthias Schiffer 2020-06-20 00:57:50 +02:00
parent 19ef022a67
commit 623d70ec9e
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
1 changed files with 29 additions and 2 deletions
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31
src/MinedMap.cpp
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@ -65,6 +65,34 @@ static void addChunkBiome(uint8_t biomemap[DIM*DIM], size_t X, size_t Z, const W
}
}
static uint8_t biomeAt(ssize_t x, ssize_t z, const std::unique_ptr<uint8_t[]> biomemaps[3][3]) {
size_t a = 1, b = 1;
if (x < 0) {
a--;
x += DIM;
} else if (x >= (ssize_t)DIM) {
a++;
x -= DIM;
}
if (z < 0) {
b--;
z += DIM;
} else if (z >= (ssize_t)DIM) {
b++;
z -= DIM;
}
return biomemaps[a][b].get()[z*DIM + x];
}
static Resource::Color collectColors(size_t x, size_t z, const World::Block &block, const std::unique_ptr<uint8_t[]> biomemaps[3][3]) {
if (!block.isVisible())
return Resource::Color();
return block.getColor(biomeAt(x, z, biomemaps));
}
static void addChunk(Resource::Color image[DIM*DIM], uint8_t lightmap[2*DIM*DIM], size_t X, size_t Z,
const World::ChunkData *data, const std::unique_ptr<uint8_t[]> biomemaps[3][3]
) {
@ -77,8 +105,7 @@ static void addChunk(Resource::Color image[DIM*DIM], uint8_t lightmap[2*DIM*DIM]
const World::Chunk::Height &height = layer.v[x][z];
World::Block block = chunk.getBlock(x, height, z);
if (block.isVisible())
image[i] = block.getColor(biomemaps[1][1].get()[i]);
image[i] = collectColors(X*World::Chunk::SIZE+x, Z*World::Chunk::SIZE+z, block, biomemaps);
lightmap[2*i+1] = (1 - block.blockLight/15.f)*192;
}
}