EverWrath/src/tools/mesh_extractor/Model.cpp
2019-01-16 15:59:02 +01:00

73 lines
2.1 KiB
C++

/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#include "Model.h"
#include "MPQManager.h"
#include "Utils.h"
Model::Model( std::string path ) : IsCollidable(false), IsBad(false)
{
Stream = MPQHandler->GetFile(Utils::FixModelPath(path));
if (!Stream)
{
IsBad = true;
return;
}
Header.Read(Stream);
if (Header.OffsetBoundingNormals > 0 && Header.OffsetBoundingVertices > 0 &&
Header.OffsetBoundingTriangles > 0 && Header.BoundingRadius > 0.0f)
{
IsCollidable = true;
ReadVertices();
ReadBoundingNormals();
ReadBoundingTriangles();
}
}
Model::~Model()
{
if (Stream)
fclose(Stream);
}
void Model::ReadVertices()
{
fseek(Stream, Header.OffsetBoundingVertices, SEEK_SET);
Vertices.reserve(Header.CountBoundingVertices);
for (uint32 i = 0; i < Header.CountBoundingVertices; ++i)
{
Vertices.push_back(Vector3::Read(Stream));
if (Constants::ToWoWCoords)
Vertices[i] = Utils::ToWoWCoords(Vertices[i]);
}
}
void Model::ReadBoundingTriangles()
{
fseek(Stream, Header.OffsetBoundingTriangles, SEEK_SET);
Triangles.reserve(Header.CountBoundingTriangles / 3);
for (uint32 i = 0; i < Header.CountBoundingTriangles / 3; i++)
{
Triangle<uint16> tri;
tri.Type = Constants::TRIANGLE_TYPE_DOODAD;
int count = 0;
count += fread(&tri.V0, sizeof(uint16), 1, Stream);
count += fread(&tri.V1, sizeof(uint16), 1, Stream);
count += fread(&tri.V2, sizeof(uint16), 1, Stream);
if (count != 3)
printf("Model::ReadBoundingTriangles: Error reading data, expected 3, read %d\n", count);
Triangles.push_back(tri);
}
}
void Model::ReadBoundingNormals()
{
fseek(Stream, Header.OffsetBoundingNormals, SEEK_SET);
Normals.reserve(Header.CountBoundingNormals);
for (uint32 i = 0; i < Header.CountBoundingNormals; i++)
Normals.push_back(Vector3::Read(Stream));
}