VoxelEngine/src/content/ContentLUT.cpp
2023-12-09 17:07:08 +03:00

60 lines
1.7 KiB
C++

#include "ContentLUT.h"
#include <memory>
#include "Content.h"
#include "../constants.h"
#include "../files/files.h"
#include "../coders/json.h"
#include "../voxels/Block.h"
using std::string;
using std::unique_ptr;
using std::make_unique;
using std::filesystem::path;
#include <iostream>
ContentLUT::ContentLUT(size_t blocksCount, const Content* content) {
ContentIndices* indices = content->indices;
for (size_t i = 0; i < blocksCount; i++) {
blocks.push_back(i);
}
for (size_t i = 0; i < indices->countBlockDefs(); i++) {
blockNames.push_back(indices->getBlockDef(i)->name);
}
for (size_t i = indices->countBlockDefs(); i < blocksCount; i++) {
blockNames.push_back("");
}
}
ContentLUT* ContentLUT::create(const path& filename,
const Content* content) {
unique_ptr<json::JObject> root(files::read_json(filename));
json::JArray* blocksarr = root->arr("blocks");
auto& indices = content->indices;
size_t blocks_c = blocksarr
? std::max(blocksarr->size(), indices->countBlockDefs())
: indices->countBlockDefs();
auto lut = make_unique<ContentLUT>(blocks_c, content);
if (blocksarr) {
for (size_t i = 0; i < blocksarr->size(); i++) {
string name = blocksarr->str(i);
Block* def = content->findBlock(name);
if (def) {
lut->setBlock(i, name, def->rt.id);
} else {
lut->setBlock(i, name, BLOCK_VOID);
}
}
}
if (lut->hasContentReorder() || lut->hasMissingContent()) {
return lut.release();
} else {
return nullptr;
}
}