godot_voxel/terrain/voxel_data_loader.cpp

43 lines
1.2 KiB
C++

#include "voxel_data_loader.h"
#include "../streams/voxel_stream.h"
#include "../util/utility.h"
VoxelDataLoader::VoxelDataLoader(int thread_count, Ref<VoxelStream> provider, int block_size_pow2) {
Processor processors[Mgr::MAX_JOBS];
// Note: more than one thread can make sense for generators,
// but won't be as useful for file and network streams
for (int i = 0; i < thread_count; ++i) {
Processor &p = processors[i];
p.block_size_pow2 = block_size_pow2;
if (i == 0) {
p.provider = provider;
} else {
p.provider = provider->duplicate();
}
}
// TODO Re-enable duplicate rejection, was turned off to investigate some bugs
_mgr = memnew(Mgr(thread_count, 500, processors, true));
}
VoxelDataLoader::~VoxelDataLoader() {
if (_mgr) {
memdelete(_mgr);
}
}
void VoxelDataLoader::Processor::process_block(const InputBlockData &input, OutputBlockData &output, Vector3i block_position, unsigned int lod) {
int bs = 1 << block_size_pow2;
Ref<VoxelBuffer> buffer;
buffer.instance();
buffer->create(bs, bs, bs);
Vector3i block_origin_in_voxels = block_position * (bs << lod);
provider->emerge_block(buffer, block_origin_in_voxels, lod);
output.voxels_loaded = buffer;
}