49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#include "api_lua.hpp"
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#include "files/files.hpp"
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#include "files/util.hpp"
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#include "coders/binary_json.hpp"
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#include "world/Level.hpp"
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#include "world/generator/VoxelFragment.hpp"
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#include "engine.hpp"
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#include "lua_custom_types.hpp"
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using namespace scripting;
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static int l_save_structure(lua::State* L) {
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auto pointA = lua::tovec<3>(L, 1);
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auto pointB = lua::tovec<3>(L, 2);
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auto filename = lua::require_string(L, 3);
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if (!files::is_valid_name(filename)) {
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throw std::runtime_error("invalid file name");
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}
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bool saveEntities = lua::toboolean(L, 4);
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auto structure = VoxelFragment::create(level, pointA, pointB, saveEntities);
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auto map = structure->serialize();
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auto bytes = json::to_binary(map);
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files::write_bytes(fs::u8path(filename), bytes.data(), bytes.size());
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return 0;
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}
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static int l_load_structure(lua::State* L) {
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auto paths = engine->getPaths();
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auto [prefix, filename] = EnginePaths::parsePath(lua::require_string(L, 1));
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auto path = paths->resolve(prefix+":generators/"+filename+".vox");
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if (!std::filesystem::exists(path)) {
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throw std::runtime_error("file "+path.u8string()+" does not exist");
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}
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auto map = files::read_binary_json(path);
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auto structure = std::make_shared<VoxelFragment>();
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structure->deserialize(map);
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return lua::newuserdata<lua::LuaVoxelStructure>(L, std::move(structure));
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}
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const luaL_Reg generationlib[] = {
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{"save_structure", lua::wrap<l_save_structure>},
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{"load_structure", lua::wrap<l_load_structure>},
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{NULL, NULL}};
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