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sped up sphere creation, added some chunk stuff. removed serialization that didnt work.

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yggdrasil75
2026-01-22 21:04:13 -05:00
parent a453149f57
commit 65d36cc34c
3 changed files with 389 additions and 107 deletions
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144
util/grid/g3_serialization.hpp
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@@ -7,93 +7,93 @@
constexpr char magic[4] = {'Y', 'G', 'G', '3'};
inline bool VoxelGrid::serializeToFile(const std::string& filename) {
std::ofstream file(filename, std::ios::binary);
if (!file.is_open()) {
std::cerr << "failed to open file (serializeToFile): " << filename << std::endl;
return false;
}
// inline bool VoxelGrid::serializeToFile(const std::string& filename) {
// std::ofstream file(filename, std::ios::binary);
// if (!file.is_open()) {
// std::cerr << "failed to open file (serializeToFile): " << filename << std::endl;
// return false;
// }
file.write(magic, 4);
int dims[3] = {gridSize.x, gridSize.y, gridSize.z};
file.write(reinterpret_cast<const char*>(dims), sizeof(dims));
size_t voxelCount = voxels.size();
file.write(reinterpret_cast<const char*>(&voxelCount), sizeof(voxelCount));
for (const Voxel& voxel : voxels) {
auto write_member = [&file](const auto& member) {
file.write(reinterpret_cast<const char*>(&member), sizeof(member));
};
// file.write(magic, 4);
// int dims[3] = {gridSize.x, gridSize.y, gridSize.z};
// file.write(reinterpret_cast<const char*>(dims), sizeof(dims));
// size_t voxelCount = voxels.size();
// file.write(reinterpret_cast<const char*>(&voxelCount), sizeof(voxelCount));
// for (const Voxel& voxel : voxels) {
// auto write_member = [&file](const auto& member) {
// file.write(reinterpret_cast<const char*>(&member), sizeof(member));
// };
std::apply([&write_member](const auto&... members) {
(write_member(members), ...);
}, voxel.members());
}
// std::apply([&write_member](const auto&... members) {
// (write_member(members), ...);
// }, voxel.members());
// }
file.close();
return !file.fail();
}
// file.close();
// return !file.fail();
// }
std::unique_ptr<VoxelGrid> VoxelGrid::deserializeFromFile(const std::string& filename) {
std::ifstream file(filename, std::ios::binary);
if (!file.is_open()) {
std::cerr << "failed to open file (deserializeFromFile): " << filename << std::endl;
return nullptr;
}
// std::unique_ptr<VoxelGrid> VoxelGrid::deserializeFromFile(const std::string& filename) {
// std::ifstream file(filename, std::ios::binary);
// if (!file.is_open()) {
// std::cerr << "failed to open file (deserializeFromFile): " << filename << std::endl;
// return nullptr;
// }
// Read and verify magic number
char filemagic[4];
file.read(filemagic, 4);
if (std::strncmp(filemagic, magic, 4) != 0) {
std::cerr << "Error: Invalid file format or corrupted file (expected "
<< magic[0] << magic[1] << magic[2] << magic[3]
<< ", got " << filemagic[0] << filemagic[1] << filemagic[2] << filemagic[3]
<< ")" << std::endl;
return nullptr;
}
// // Read and verify magic number
// char filemagic[4];
// file.read(filemagic, 4);
// if (std::strncmp(filemagic, magic, 4) != 0) {
// std::cerr << "Error: Invalid file format or corrupted file (expected "
// << magic[0] << magic[1] << magic[2] << magic[3]
// << ", got " << filemagic[0] << filemagic[1] << filemagic[2] << filemagic[3]
// << ")" << std::endl;
// return nullptr;
// }
// Create output grid
auto outgrid = std::make_unique<VoxelGrid>();
// // Create output grid
// auto outgrid = std::make_unique<VoxelGrid>();
// Read grid dimensions
int dims[3];
file.read(reinterpret_cast<char*>(dims), sizeof(dims));
// // Read grid dimensions
// int dims[3];
// file.read(reinterpret_cast<char*>(dims), sizeof(dims));
// Resize grid
outgrid->gridSize = Vec3i(dims[0], dims[1], dims[2]);
outgrid->voxels.resize(dims[0] * dims[1] * dims[2]);
// // Resize grid
// outgrid->gridSize = Vec3i(dims[0], dims[1], dims[2]);
// outgrid->voxels.resize(dims[0] * dims[1] * dims[2]);
// Read voxel count
size_t voxelCount;
file.read(reinterpret_cast<char*>(&voxelCount), sizeof(voxelCount));
// // Read voxel count
// size_t voxelCount;
// file.read(reinterpret_cast<char*>(&voxelCount), sizeof(voxelCount));
// Verify voxel count matches grid dimensions
size_t expectedCount = static_cast<size_t>(dims[0]) * dims[1] * dims[2];
if (voxelCount != expectedCount) {
std::cerr << "Error: Voxel count mismatch. Expected " << expectedCount
<< ", found " << voxelCount << std::endl;
return nullptr;
}
// // Verify voxel count matches grid dimensions
// size_t expectedCount = static_cast<size_t>(dims[0]) * dims[1] * dims[2];
// if (voxelCount != expectedCount) {
// std::cerr << "Error: Voxel count mismatch. Expected " << expectedCount
// << ", found " << voxelCount << std::endl;
// return nullptr;
// }
// Read all voxels
for (size_t i = 0; i < voxelCount; ++i) {
auto members = outgrid->voxels[i].members();
// // Read all voxels
// for (size_t i = 0; i < voxelCount; ++i) {
// auto members = outgrid->voxels[i].members();
std::apply([&file](auto&... member) {
((file.read(reinterpret_cast<char*>(&member), sizeof(member))), ...);
}, members);
}
// std::apply([&file](auto&... member) {
// ((file.read(reinterpret_cast<char*>(&member), sizeof(member))), ...);
// }, members);
// }
file.close();
// file.close();
if (file.fail() && !file.eof()) {
std::cerr << "Error: Failed to read from file: " << filename << std::endl;
return nullptr;
}
// if (file.fail() && !file.eof()) {
// std::cerr << "Error: Failed to read from file: " << filename << std::endl;
// return nullptr;
// }
std::cout << "Successfully loaded grid: " << dims[0] << " x "
<< dims[1] << " x " << dims[2] << std::endl;
// std::cout << "Successfully loaded grid: " << dims[0] << " x "
// << dims[1] << " x " << dims[2] << std::endl;
return outgrid;
}
// return outgrid;
// }
#endif