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#include "OoTArrayFactory.h"
#include "spdlog/spdlog.h"
#include "Companion.h"
#include "utils/Decompressor.h"
namespace OoT {
static std::shared_ptr<OoTVtxArrayData> parseVtxArray(DataChunk& segment, size_t count) {
LUS::BinaryReader reader(segment.data, count * sizeof(VtxRaw));
reader.SetEndianness(Torch::Endianness::Big);
std::vector<VtxRaw> vertices;
for (size_t i = 0; i < count; i++) {
auto x = reader.ReadInt16();
auto y = reader.ReadInt16();
auto z = reader.ReadInt16();
auto flag = reader.ReadUInt16();
auto tc1 = reader.ReadInt16();
auto tc2 = reader.ReadInt16();
auto cn1 = reader.ReadUByte();
auto cn2 = reader.ReadUByte();
auto cn3 = reader.ReadUByte();
auto cn4 = reader.ReadUByte();
vertices.push_back(VtxRaw({{x, y, z}, flag, {tc1, tc2}, {cn1, cn2, cn3, cn4}}));
}
return std::make_shared<OoTVtxArrayData>(vertices);
}
static std::shared_ptr<OoTVec3sArrayData> parseVec3sArray(DataChunk& segment, size_t count) {
LUS::BinaryReader reader(segment.data, count * 6);
reader.SetEndianness(Torch::Endianness::Big);
std::vector<Vec3s> vecs;
for (size_t i = 0; i < count; i++) {
auto x = reader.ReadInt16();
auto y = reader.ReadInt16();
auto z = reader.ReadInt16();
vecs.push_back(Vec3s(x, y, z));
}
return std::make_shared<OoTVec3sArrayData>(vecs);
}
std::optional<std::shared_ptr<IParsedData>> OoTArrayFactory::parse(std::vector<uint8_t>& buffer, YAML::Node& node) {
auto count = GetSafeNode<size_t>(node, "count");
auto arrayType = GetSafeNode<std::string>(node, "array_type");
auto [_, segment] = Decompressor::AutoDecode(node, buffer);
if (arrayType == "VTX") {
return parseVtxArray(segment, count);
}
if (arrayType == "Vec3s") {
return parseVec3sArray(segment, count);
}
SPDLOG_ERROR("Unknown OoT Array type '{}'", arrayType);
return std::nullopt;
}
static void exportVtxArray(LUS::BinaryWriter& writer, std::shared_ptr<OoTVtxArrayData> data, bool zeroFlag) {
writer.Write(static_cast<uint32_t>(SohArrayType::Vertex));
writer.Write(static_cast<uint32_t>(data->mVtxs.size()));
for (const auto& v : data->mVtxs) {
writer.Write(v.ob[0]);
writer.Write(v.ob[1]);
writer.Write(v.ob[2]);
// ZAPD zeroes the flag for display-list-discovered vertices
// (DisplayListExporter's VTX() text round-trip) but preserves it for
// XML-declared arrays. zero_flag (set by zapd_to_torch for supplemental
// VTX arrays) selects the discovered behaviour.
writer.Write(zeroFlag ? static_cast<uint16_t>(0) : v.flag);
writer.Write(v.tc[0]);
writer.Write(v.tc[1]);
writer.Write(v.cn[0]);
writer.Write(v.cn[1]);
writer.Write(v.cn[2]);
writer.Write(v.cn[3]);
}
}
static void exportVec3sArray(LUS::BinaryWriter& writer, std::shared_ptr<OoTVec3sArrayData> data) {
writer.Write(static_cast<uint32_t>(SohArrayType::Vector));
writer.Write(static_cast<uint32_t>(data->mVecs.size()));
for (const auto& v : data->mVecs) {
// Per-element: scalar_type (u32) + dimensions (u32) + data
writer.Write(static_cast<uint32_t>(SohScalarType::ZSCALAR_S16));
writer.Write(static_cast<uint32_t>(3));
writer.Write(v.x);
writer.Write(v.y);
writer.Write(v.z);
}
}
ExportResult OoTArrayBinaryExporter::Export(std::ostream& write, std::shared_ptr<IParsedData> raw,
std::string& entryName, YAML::Node& node,
std::string* replacement) {
auto writer = LUS::BinaryWriter();
auto arrayType = GetSafeNode<std::string>(node, "array_type");
WriteHeader(writer, Torch::ResourceType::Array, 0);
if (arrayType == "VTX") {
bool zeroFlag = node["zero_flag"] && node["zero_flag"].as<bool>();
exportVtxArray(writer, std::static_pointer_cast<OoTVtxArrayData>(raw), zeroFlag);
} else if (arrayType == "Vec3s") {
exportVec3sArray(writer, std::static_pointer_cast<OoTVec3sArrayData>(raw));
}
writer.Finish(write);
return std::nullopt;
}
} // namespace OoT
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