437 lines
13 KiB
C++
437 lines
13 KiB
C++
#include "WorldRegions.hpp"
|
|
|
|
#include <cstring>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "debug/Logger.hpp"
|
|
#include "coders/json.hpp"
|
|
#include "coders/byte_utils.hpp"
|
|
#include "coders/rle.hpp"
|
|
#include "coders/binary_json.hpp"
|
|
#include "items/Inventory.hpp"
|
|
#include "maths/voxmaths.hpp"
|
|
#include "util/data_io.hpp"
|
|
|
|
#define REGION_FORMAT_MAGIC ".VOXREG"
|
|
|
|
static debug::Logger logger("world-regions");
|
|
|
|
WorldRegion::WorldRegion()
|
|
: chunksData(
|
|
std::make_unique<std::unique_ptr<ubyte[]>[]>(REGION_CHUNKS_COUNT)
|
|
),
|
|
sizes(std::make_unique<glm::u32vec2[]>(REGION_CHUNKS_COUNT)) {
|
|
}
|
|
|
|
WorldRegion::~WorldRegion() = default;
|
|
|
|
void WorldRegion::setUnsaved(bool unsaved) {
|
|
this->unsaved = unsaved;
|
|
}
|
|
bool WorldRegion::isUnsaved() const {
|
|
return unsaved;
|
|
}
|
|
|
|
std::unique_ptr<ubyte[]>* WorldRegion::getChunks() const {
|
|
return chunksData.get();
|
|
}
|
|
|
|
glm::u32vec2* WorldRegion::getSizes() const {
|
|
return sizes.get();
|
|
}
|
|
|
|
void WorldRegion::put(
|
|
uint x, uint z, std::unique_ptr<ubyte[]> data, uint32_t size, uint32_t srcSize
|
|
) {
|
|
size_t chunk_index = z * REGION_SIZE + x;
|
|
chunksData[chunk_index] = std::move(data);
|
|
sizes[chunk_index] = glm::u32vec2(size, srcSize);
|
|
}
|
|
|
|
ubyte* WorldRegion::getChunkData(uint x, uint z) {
|
|
return chunksData[z * REGION_SIZE + x].get();
|
|
}
|
|
|
|
glm::u32vec2 WorldRegion::getChunkDataSize(uint x, uint z) {
|
|
return sizes[z * REGION_SIZE + x];
|
|
}
|
|
|
|
WorldRegions::WorldRegions(const io::path& directory) : directory(directory) {
|
|
for (size_t i = 0; i < REGION_LAYERS_COUNT; i++) {
|
|
layers[i].layer = static_cast<RegionLayerIndex>(i);
|
|
}
|
|
auto& voxels = layers[REGION_LAYER_VOXELS];
|
|
voxels.folder = directory / "regions";
|
|
voxels.compression = compression::Method::EXTRLE16;
|
|
|
|
auto& lights = layers[REGION_LAYER_LIGHTS];
|
|
lights.folder = directory / "lights";
|
|
lights.compression = compression::Method::EXTRLE8;
|
|
|
|
layers[REGION_LAYER_INVENTORIES].folder =
|
|
directory / "inventories";
|
|
layers[REGION_LAYER_ENTITIES].folder = directory / "entities";
|
|
|
|
auto& blocksData = layers[REGION_LAYER_BLOCKS_DATA];
|
|
blocksData.folder = directory / "blocksdata";
|
|
}
|
|
|
|
WorldRegions::~WorldRegions() = default;
|
|
|
|
void RegionsLayer::writeAll() {
|
|
for (auto& it : regions) {
|
|
WorldRegion* region = it.second.get();
|
|
if (region->getChunks() == nullptr || !region->isUnsaved()) {
|
|
continue;
|
|
}
|
|
const auto& key = it.first;
|
|
writeRegion(key[0], key[1], region);
|
|
}
|
|
}
|
|
|
|
void WorldRegions::put(
|
|
int x,
|
|
int z,
|
|
RegionLayerIndex layerid,
|
|
std::unique_ptr<ubyte[]> data,
|
|
size_t srcSize
|
|
) {
|
|
size_t size = srcSize;
|
|
auto& layer = layers[layerid];
|
|
int regionX, regionZ, localX, localZ;
|
|
calc_reg_coords(x, z, regionX, regionZ, localX, localZ);
|
|
|
|
WorldRegion* region = layer.getOrCreateRegion(regionX, regionZ);
|
|
region->setUnsaved(true);
|
|
|
|
if (data == nullptr) {
|
|
region->put(localX, localZ, nullptr, 0, 0);
|
|
return;
|
|
}
|
|
|
|
if (layer.compression != compression::Method::NONE) {
|
|
data = compression::compress(
|
|
data.get(), size, size, layer.compression);
|
|
}
|
|
region->put(localX, localZ, std::move(data), size, srcSize);
|
|
}
|
|
|
|
static std::unique_ptr<ubyte[]> write_inventories(
|
|
const ChunkInventoriesMap& inventories, uint32_t& datasize
|
|
) {
|
|
ByteBuilder builder;
|
|
builder.putInt32(inventories.size());
|
|
for (auto& entry : inventories) {
|
|
builder.putInt32(entry.first);
|
|
auto map = entry.second->serialize();
|
|
auto bytes = json::to_binary(map, true);
|
|
builder.putInt32(bytes.size());
|
|
builder.put(bytes.data(), bytes.size());
|
|
}
|
|
auto datavec = builder.data();
|
|
datasize = builder.size();
|
|
auto data = std::make_unique<ubyte[]>(datasize);
|
|
std::memcpy(data.get(), datavec, datasize);
|
|
return data;
|
|
}
|
|
|
|
static ChunkInventoriesMap load_inventories(const ubyte* src, uint32_t size) {
|
|
ChunkInventoriesMap inventories;
|
|
ByteReader reader(src, size);
|
|
auto count = reader.getInt32();
|
|
for (int i = 0; i < count; i++) {
|
|
uint index = reader.getInt32();
|
|
uint size = reader.getInt32();
|
|
auto map = json::from_binary(reader.pointer(), size);
|
|
reader.skip(size);
|
|
auto inv = std::make_shared<Inventory>(0, 0);
|
|
inv->deserialize(map);
|
|
inventories[index] = std::move(inv);
|
|
}
|
|
return inventories;
|
|
}
|
|
|
|
void WorldRegions::put(Chunk* chunk, std::vector<ubyte> entitiesData) {
|
|
if (generatorTestMode) {
|
|
return;
|
|
}
|
|
assert(chunk != nullptr);
|
|
if (!chunk->flags.lighted) {
|
|
return;
|
|
}
|
|
bool lightsUnsaved = !chunk->flags.loadedLights && doWriteLights;
|
|
if (!chunk->flags.unsaved && !lightsUnsaved && !chunk->flags.entities) {
|
|
return;
|
|
}
|
|
|
|
int regionX, regionZ, localX, localZ;
|
|
calc_reg_coords(chunk->x, chunk->z, regionX, regionZ, localX, localZ);
|
|
|
|
put(chunk->x,
|
|
chunk->z,
|
|
REGION_LAYER_VOXELS,
|
|
chunk->encode(),
|
|
CHUNK_DATA_LEN);
|
|
|
|
// Writing lights cache
|
|
if (doWriteLights && chunk->flags.lighted && chunk->lightmap) {
|
|
put(chunk->x,
|
|
chunk->z,
|
|
REGION_LAYER_LIGHTS,
|
|
chunk->lightmap->encode(),
|
|
LIGHTMAP_DATA_LEN);
|
|
}
|
|
// Writing block inventories
|
|
if (!chunk->inventories.empty()) {
|
|
uint datasize;
|
|
auto data = write_inventories(chunk->inventories, datasize);
|
|
put(chunk->x,
|
|
chunk->z,
|
|
REGION_LAYER_INVENTORIES,
|
|
std::move(data),
|
|
datasize);
|
|
}
|
|
// Writing entities
|
|
if (!entitiesData.empty()) {
|
|
auto data = std::make_unique<ubyte[]>(entitiesData.size());
|
|
for (size_t i = 0; i < entitiesData.size(); i++) {
|
|
data[i] = entitiesData[i];
|
|
}
|
|
put(chunk->x,
|
|
chunk->z,
|
|
REGION_LAYER_ENTITIES,
|
|
std::move(data),
|
|
entitiesData.size());
|
|
}
|
|
// Writing blocks data
|
|
if (chunk->flags.blocksData) {
|
|
auto bytes = chunk->blocksMetadata.serialize();
|
|
put(chunk->x,
|
|
chunk->z,
|
|
REGION_LAYER_BLOCKS_DATA,
|
|
bytes.release(),
|
|
bytes.size());
|
|
}
|
|
}
|
|
|
|
std::unique_ptr<ubyte[]> WorldRegions::getVoxels(int x, int z) {
|
|
uint32_t size;
|
|
uint32_t srcSize;
|
|
auto& layer = layers[REGION_LAYER_VOXELS];
|
|
auto* data = layer.getData(x, z, size, srcSize);
|
|
if (data == nullptr) {
|
|
return nullptr;
|
|
}
|
|
assert(srcSize == CHUNK_DATA_LEN);
|
|
return compression::decompress(data, size, srcSize, layer.compression);
|
|
}
|
|
|
|
std::unique_ptr<light_t[]> WorldRegions::getLights(int x, int z) {
|
|
uint32_t size;
|
|
uint32_t srcSize;
|
|
auto& layer = layers[REGION_LAYER_LIGHTS];
|
|
auto* bytes = layer.getData(x, z, size, srcSize);
|
|
if (bytes == nullptr) {
|
|
return nullptr;
|
|
}
|
|
auto data = compression::decompress(
|
|
bytes, size, srcSize, layer.compression
|
|
);
|
|
if (srcSize == LIGHTMAP_DATA_LEN) {
|
|
return Lightmap::decode(data.get());
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
ChunkInventoriesMap WorldRegions::fetchInventories(int x, int z) {
|
|
uint32_t bytesSize;
|
|
uint32_t srcSize;
|
|
auto bytes = layers[REGION_LAYER_INVENTORIES].getData(x, z, bytesSize, srcSize);
|
|
if (bytes == nullptr) {
|
|
return {};
|
|
}
|
|
return load_inventories(bytes, bytesSize);
|
|
}
|
|
|
|
BlocksMetadata WorldRegions::getBlocksData(int x, int z) {
|
|
uint32_t bytesSize;
|
|
uint32_t srcSize;
|
|
auto bytes = layers[REGION_LAYER_BLOCKS_DATA].getData(x, z, bytesSize, srcSize);
|
|
if (bytes == nullptr) {
|
|
return {};
|
|
}
|
|
BlocksMetadata heap;
|
|
heap.deserialize(bytes, bytesSize);
|
|
return heap;
|
|
}
|
|
|
|
void WorldRegions::processInventories(int x, int z, const InventoryProc& func) {
|
|
processRegion(x, z, REGION_LAYER_INVENTORIES,
|
|
[=](std::unique_ptr<ubyte[]> data, uint32_t* size) {
|
|
auto inventories = load_inventories(data.get(), *size);
|
|
for (const auto& [_, inventory] : inventories) {
|
|
func(inventory.get());
|
|
}
|
|
return write_inventories(inventories, *size);
|
|
});
|
|
}
|
|
|
|
void WorldRegions::processBlocksData(int x, int z, const BlockDataProc& func) {
|
|
auto& voxLayer = layers[REGION_LAYER_VOXELS];
|
|
auto& datLayer = layers[REGION_LAYER_BLOCKS_DATA];
|
|
if (voxLayer.getRegion(x, z) || datLayer.getRegion(x, z)) {
|
|
throw std::runtime_error("not implemented for in-memory regions");
|
|
}
|
|
auto datRegfile = datLayer.getRegFile({x, z});
|
|
if (datRegfile == nullptr) {
|
|
throw std::runtime_error("could not open region file");
|
|
}
|
|
auto voxRegfile = voxLayer.getRegFile({x, z});
|
|
if (voxRegfile == nullptr) {
|
|
logger.warning() << "missing voxels region - discard blocks data for "
|
|
<< x << "_" << z;
|
|
deleteRegion(REGION_LAYER_BLOCKS_DATA, x, z);
|
|
return;
|
|
}
|
|
for (uint cz = 0; cz < REGION_SIZE; cz++) {
|
|
for (uint cx = 0; cx < REGION_SIZE; cx++) {
|
|
int gx = cx + x * REGION_SIZE;
|
|
int gz = cz + z * REGION_SIZE;
|
|
|
|
uint32_t datLength;
|
|
uint32_t datSrcSize;
|
|
auto datData = RegionsLayer::readChunkData(
|
|
gx, gz, datLength, datSrcSize, datRegfile.get()
|
|
);
|
|
if (datData == nullptr) {
|
|
continue;
|
|
}
|
|
uint32_t voxLength;
|
|
uint32_t voxSrcSize;
|
|
auto voxData = RegionsLayer::readChunkData(
|
|
gx, gz, voxLength, voxSrcSize, voxRegfile.get()
|
|
);
|
|
if (voxData == nullptr) {
|
|
logger.warning()
|
|
<< "missing voxels for chunk (" << gx << ", " << gz << ")";
|
|
put(gx, gz, REGION_LAYER_BLOCKS_DATA, nullptr, 0);
|
|
continue;
|
|
}
|
|
voxData = compression::decompress(
|
|
voxData.get(), voxLength, voxSrcSize, voxLayer.compression
|
|
);
|
|
|
|
BlocksMetadata blocksData;
|
|
blocksData.deserialize(datData.get(), datLength);
|
|
try {
|
|
func(&blocksData, std::move(voxData));
|
|
} catch (const std::exception& err) {
|
|
logger.error() << "an error ocurred while processing blocks "
|
|
"data in chunk (" << gx << ", " << gz << "): " << err.what();
|
|
blocksData = {};
|
|
}
|
|
auto bytes = blocksData.serialize();
|
|
put(gx, gz, REGION_LAYER_BLOCKS_DATA, bytes.release(), bytes.size());
|
|
}
|
|
}
|
|
}
|
|
|
|
dv::value WorldRegions::fetchEntities(int x, int z) {
|
|
if (generatorTestMode) {
|
|
return nullptr;
|
|
}
|
|
uint32_t bytesSize;
|
|
uint32_t srcSize;
|
|
const ubyte* data = layers[REGION_LAYER_ENTITIES].getData(x, z, bytesSize, srcSize);
|
|
if (data == nullptr) {
|
|
return nullptr;
|
|
}
|
|
auto map = json::from_binary(data, bytesSize);
|
|
if (map.empty()) {
|
|
return nullptr;
|
|
}
|
|
return map;
|
|
}
|
|
|
|
void WorldRegions::processRegion(
|
|
int x, int z, RegionLayerIndex layerid, const RegionProc& func
|
|
) {
|
|
auto& layer = layers[layerid];
|
|
if (layer.getRegion(x, z)) {
|
|
throw std::runtime_error("not implemented for in-memory regions");
|
|
}
|
|
auto regfile = layer.getRegFile({x, z});
|
|
if (regfile == nullptr) {
|
|
throw std::runtime_error("could not open region file");
|
|
}
|
|
for (uint cz = 0; cz < REGION_SIZE; cz++) {
|
|
for (uint cx = 0; cx < REGION_SIZE; cx++) {
|
|
int gx = cx + x * REGION_SIZE;
|
|
int gz = cz + z * REGION_SIZE;
|
|
uint32_t length;
|
|
uint32_t srcSize;
|
|
auto data =
|
|
RegionsLayer::readChunkData(gx, gz, length, srcSize, regfile.get());
|
|
if (data == nullptr) {
|
|
continue;
|
|
}
|
|
if (layer.compression != compression::Method::NONE) {
|
|
data = compression::decompress(
|
|
data.get(), length, srcSize, layer.compression
|
|
);
|
|
} else {
|
|
srcSize = length;
|
|
}
|
|
if (auto writeData = func(std::move(data), &srcSize)) {
|
|
put(gx, gz, layerid, std::move(writeData), srcSize);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const io::path& WorldRegions::getRegionsFolder(RegionLayerIndex layerid) const {
|
|
return layers[layerid].folder;
|
|
}
|
|
|
|
io::path WorldRegions::getRegionFilePath(RegionLayerIndex layerid, int x, int z) const {
|
|
return layers[layerid].getRegionFilePath(x, z);
|
|
}
|
|
|
|
void WorldRegions::writeAll() {
|
|
for (auto& layer : layers) {
|
|
io::create_directories(layer.folder);
|
|
layer.writeAll();
|
|
}
|
|
}
|
|
|
|
void WorldRegions::deleteRegion(RegionLayerIndex layerid, int x, int z) {
|
|
auto& layer = layers[layerid];
|
|
if (layer.getRegFile({x, z}, false)) {
|
|
throw std::runtime_error("region file is currently in use");
|
|
}
|
|
auto file = layer.getRegionFilePath(x, z);
|
|
if (io::exists(file)) {
|
|
logger.info() << "remove region file " << file.string();
|
|
io::remove(file);
|
|
}
|
|
}
|
|
|
|
bool WorldRegions::parseRegionFilename(
|
|
const std::string& name, int& x, int& z
|
|
) {
|
|
size_t sep = name.find('_');
|
|
if (sep == std::string::npos || sep == 0 || sep == name.length() - 1) {
|
|
return false;
|
|
}
|
|
try {
|
|
x = std::stoi(name.substr(0, sep));
|
|
z = std::stoi(name.substr(sep + 1));
|
|
} catch (std::invalid_argument& err) {
|
|
return false;
|
|
} catch (std::out_of_range& err) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|