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#include "CollisionFactory.h"
#include <Companion.h>
#include <utils/Decompressor.h>
#define BASE(val, cmd, enumname) val == Companion::Instance->GetValueFromEnum(enumname, cmd)
#define COL_INIT(v) BASE(v, "TERRAIN_LOAD_VERTICES", "TerrainLoadCommands")
#define COL_TRI_STOP(v) BASE(v, "TERRAIN_LOAD_END", "TerrainLoadCommands")
#define COL_TRI_INIT(surf) BASE(v, surf, "SurfaceTypes")
#define SURFACE_TYPE(type) Companion::Instance->GetEnumFromValue("SurfaceTypes", type).value_or(std::to_string(type))
enum class ProcessingState {
None,
Vertex,
Triangle,
Special
};
ExportResult SM64::CollisionCodeExporter::Export(std::ostream &write, std::shared_ptr<IParsedData> raw, std::string& entryName, YAML::Node &node, std::string* replacement) {
auto offset = GetSafeNode<uint32_t>(node, "offset");
auto symbol = GetSafeNode(node, "symbol", entryName);
auto collision = std::static_pointer_cast<CollisionData>(raw);
size_t cmd_size = collision->mCommandList.size();
ProcessingState state = ProcessingState::None;
size_t vtxCount = 0;
for(size_t i = 0; i < collision->mCommandList.size(); i++){
auto cmd = collision->mCommandList[i];
if(COL_INIT(cmd)){
vtxCount = collision->mCommandList[++i];
write << "COL_INIT(),\n";
write << "COL_VERTEX_INIT(" << vtxCount << "),\n";
state = ProcessingState::Vertex;
continue;
}
switch(state) {
case ProcessingState::Vertex:
if(vtxCount > 0){
auto x = collision->mCommandList[i + 0];
auto y = collision->mCommandList[i + 1];
auto z = collision->mCommandList[i + 2];
write << "COL_VERTEX(" << x << ", " << y << ", " << z << "),\n";
vtxCount--;
} else {
int32_t surf = collision->mCommandList[i];
auto triCount = collision->mCommandList[++i];
write << "COL_TRI_INIT(" << SURFACE_TYPE(surf) << ", " << triCount << "),\n";
state = ProcessingState::Triangle;
}
break;
case ProcessingState::Triangle:
if(!COL_TRI_STOP(cmd)){
auto v1 = collision->mCommandList[i + 0];
auto v2 = collision->mCommandList[i + 1];
auto v3 = collision->mCommandList[i + 2];
write << "COL_TRI(" << v1 << ", " << v2 << ", " << v3 << "),\n";
} else {
write << "COL_TRI_STOP(),\n";
state = ProcessingState::None;
}
break;
}
if(state == ProcessingState::Vertex){
continue;
}
}
return offset + cmd_size * sizeof(int16_t);
}
ExportResult SM64::CollisionHeaderExporter::Export(std::ostream &write, std::shared_ptr<IParsedData> raw, std::string& entryName, YAML::Node &node, std::string* replacement) {
auto collision = std::static_pointer_cast<CollisionData>(raw);
return std::nullopt;
}
ExportResult SM64::CollisionBinaryExporter::Export(std::ostream &write, std::shared_ptr<IParsedData> raw, std::string& entryName, YAML::Node &node, std::string* replacement) {
auto collision = std::static_pointer_cast<CollisionData>(raw);
return std::nullopt;
}
std::optional<std::shared_ptr<IParsedData>> SM64::CollisionFactory::parse(std::vector<uint8_t>& buffer, YAML::Node& node) {
auto [root, segment] = Decompressor::AutoDecode(node, buffer);
LUS::BinaryReader reader(segment.data, segment.size);
reader.SetEndianness(LUS::Endianness::Big);
std::vector<int16_t> commands;
bool processing = true;
while(processing){
auto cmd = reader.ReadInt16();
if(COL_TRI_STOP(cmd)){
processing = false;
}
commands.push_back(cmd);
}
return std::nullopt;
}
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