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81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
#include "recast.hpp"
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#include <Recast.h>
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#include <RecastAlloc.h>
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#include <cstring>
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#include <new>
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namespace DetourNavigator
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{
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void* permRecastAlloc(std::size_t size)
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{
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void* const result = rcAlloc(size, RC_ALLOC_PERM);
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if (result == nullptr)
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throw std::bad_alloc();
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return result;
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}
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void permRecastAlloc(rcPolyMesh& value)
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{
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permRecastAlloc(value.verts, getVertsLength(value));
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permRecastAlloc(value.polys, getPolysLength(value));
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permRecastAlloc(value.regs, getRegsLength(value));
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permRecastAlloc(value.flags, getFlagsLength(value));
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permRecastAlloc(value.areas, getAreasLength(value));
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}
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void permRecastAlloc(rcPolyMeshDetail& value)
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{
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try
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{
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permRecastAlloc(value.meshes, getMeshesLength(value));
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permRecastAlloc(value.verts, getVertsLength(value));
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permRecastAlloc(value.tris, getTrisLength(value));
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}
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catch (...)
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{
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freePolyMeshDetail(value);
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throw;
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}
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}
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void freePolyMeshDetail(rcPolyMeshDetail& value) noexcept
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{
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rcFree(value.meshes);
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rcFree(value.verts);
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rcFree(value.tris);
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}
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void copyPolyMesh(const rcPolyMesh& src, rcPolyMesh& dst)
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{
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dst.nverts = src.nverts;
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dst.npolys = src.npolys;
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dst.maxpolys = src.maxpolys;
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dst.nvp = src.nvp;
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rcVcopy(dst.bmin, src.bmin);
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rcVcopy(dst.bmax, src.bmax);
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dst.cs = src.cs;
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dst.ch = src.ch;
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dst.borderSize = src.borderSize;
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dst.maxEdgeError = src.maxEdgeError;
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permRecastAlloc(dst);
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std::memcpy(dst.verts, src.verts, getVertsLength(src) * sizeof(*dst.verts));
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std::memcpy(dst.polys, src.polys, getPolysLength(src) * sizeof(*dst.polys));
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std::memcpy(dst.regs, src.regs, getRegsLength(src) * sizeof(*dst.regs));
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std::memcpy(dst.flags, src.flags, getFlagsLength(src) * sizeof(*dst.flags));
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std::memcpy(dst.areas, src.areas, getAreasLength(src) * sizeof(*dst.areas));
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}
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void copyPolyMeshDetail(const rcPolyMeshDetail& src, rcPolyMeshDetail& dst)
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{
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dst.nmeshes = src.nmeshes;
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dst.nverts = src.nverts;
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dst.ntris = src.ntris;
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permRecastAlloc(dst);
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std::memcpy(dst.meshes, src.meshes, getMeshesLength(src) * sizeof(*dst.meshes));
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std::memcpy(dst.verts, src.verts, getVertsLength(src) * sizeof(*dst.verts));
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std::memcpy(dst.tris, src.tris, getTrisLength(src) * sizeof(*dst.tris));
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}
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}
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