metaforce/DataSpec/DNAMP1/PATH.hpp

#pragma once

#include "DataSpec/DNACommon/DNACommon.hpp"
#include "DataSpec/DNACommon/PAK.hpp"
#include "DNAMP1.hpp"

namespace DataSpec::DNAMP1
{
struct PATH : BigDNA
{
    using PathMesh = hecl::blender::PathMesh;

    AT_DECL_DNA
    Value<atUint32> version;

    struct Node : BigDNA
    {
        AT_DECL_DNA
        Value<atVec3f> position;
        Value<atVec3f> normal;
    };
    Value<atUint32> nodeCount;
    Vector<Node, AT_DNA_COUNT(nodeCount)> nodes;

    struct Link : BigDNA
    {
        AT_DECL_DNA
        Value<atUint32> nodeIdx;
        Value<atUint32> regionIdx;
        Value<float> width2d;
        Value<float> oneOverWidth2d;
    };
    Value<atUint32> linkCount;
    Vector<Link, AT_DNA_COUNT(linkCount)> links;

    struct Region : BigDNA
    {
        AT_DECL_DNA
        Value<atUint32> nodeCount;
        Value<atUint32> nodeStart;
        Value<atUint32> linkCount;
        Value<atUint32> linkStart;
        Value<atUint16> meshIndexMask;
        Value<atUint16> meshTypeMask;
        Value<float> height;
        Value<atVec3f> normal;
        Value<atUint32> regionIdx;
        Value<atVec3f> centroid;
        Value<atVec3f> aabb[2];
        Value<atUint32> regionIdxPtr;
    };
    Value<atUint32> regionCount;
    Vector<Region, AT_DNA_COUNT(regionCount)> regions;

    Vector<atUint32, AT_DNA_COUNT((((regionCount * (regionCount - 1)) / 2) + 31) / 32)> bitmap1;
    Vector<atUint32, AT_DNA_COUNT(bitmap1.size())> bitmap2;
    Vector<atUint32, AT_DNA_COUNT(((((regionCount * regionCount) + 31) / 32) - bitmap1.size()) * 2)> bitmap3;

    Value<atUint32> octreeRegionLookupCount;
    Vector<atUint32, AT_DNA_COUNT(octreeRegionLookupCount)> octreeRegionLookup;

    struct OctreeNode : BigDNA
    {
        AT_DECL_DNA
        Value<atUint32> isLeaf;
        Value<atVec3f> aabb[2];
        Value<atVec3f> centroid;
        Value<atUint32> children[8];
        Value<atUint32> regionCount;
        Value<atUint32> regionStart;
    };
    Value<atUint32> octreeNodeCount;
    Vector<OctreeNode, AT_DNA_COUNT(octreeNodeCount)> octree;

    void sendToBlender(hecl::blender::Connection& conn, std::string_view entryName,
                       const zeus::CMatrix4f* xf);

    static bool Extract(const SpecBase& dataSpec,
                        PAKEntryReadStream& rs,
                        const hecl::ProjectPath& outPath,
                        PAKRouter<PAKBridge>& pakRouter,
                        const PAK::Entry& entry,
                        bool force,
                        hecl::blender::Token& btok,
                        std::function<void(const hecl::SystemChar*)> fileChanged);

    static bool Cook(const hecl::ProjectPath& outPath,
                     const PathMesh& mesh);
};
}