vtx.hpp

#pragma once
 
#include "../enums.hpp"
#include <array>
#include <cstdint>
 
namespace MdlParser::Structs::Vtx {
#pragma pack(push, 1)
 
  struct Vertex {
    std::array<uint8_t, 3> boneWeightIndex;
    uint8_t numBones;
 
    uint16_t origMeshVertId;
 
    std::array<int8_t, 3> boneId;
  };
 
  struct Strip {
    int32_t numIndices;
    int32_t indexOffset;
 
    int32_t numVerts;
    int32_t vertOffset;
 
    int16_t numBones;
 
    Enums::Vtx::StripFlags flags;
 
    int32_t numBoneStateChanges;
    int32_t boneStateChangeOffset;
 
    // this struct has 2 more ints if the MDL version is >= 49, however sdk 2013 uses version 48 (does gmod backport 49?)
  };
 
  struct StripGroup {
    int32_t numVerts;
    int32_t vertOffset;
 
    int32_t numIndices;
    int32_t indexOffset;
 
    int32_t numStrips;
    int32_t stripOffset;
 
    Enums::Vtx::StripGroupFlags flags;
 
    // this struct has 2 more ints if the MDL version is >= 49, however sdk 2013 uses version 48 (does gmod backport 49?)
  };
 
  struct Mesh {
    int32_t numStripGroups;
    int32_t stripGroupHeaderOffset;
 
    Enums::Vtx::MeshFlags flags;
  };
 
  struct ModelLoD {
    int32_t numMeshes;
    int32_t meshOffset;
 
    float switchPoint;
  };
 
  struct Model {
    int32_t numLoDs;
    int32_t lodOffset;
  };
 
  struct BodyPart {
    int32_t numModels;
    int32_t modelOffset;
  };
 
  struct MaterialReplacement {
    int16_t materialId;
    int32_t replacementMaterialNameOffset;
  };
 
  struct MaterialReplacementList {
    int32_t replacementCount;
    int32_t replacementOffset;
  };
 
  struct Header {
    static constexpr int32_t SUPPORTED_VERSION = 7;
 
    int32_t version;
 
    int32_t vertCacheSize;
    uint16_t maxBonesPerStrip;
    uint16_t maxBonesPerTri;
    int32_t maxBonesPerVert;
 
    int32_t checksum;
 
    int32_t numLoDs;
 
    int32_t materialReplacementListOffset;
 
    int32_t numBodyParts;
    int32_t bodyPartOffset;
  };
 
#pragma pack(pop)
}