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model.cpp
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model.cpp
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/*
* This file is part of the CMaNGOS Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define _CRT_SECURE_NO_WARNINGS
#include "vmapexport.h"
#include "model.h"
#include "wmo.h"
#include "mpqfile.h"
#include <cassert>
#include <algorithm>
#include <cstdio>
extern HANDLE WorldMpq;
Model::Model(std::string& filename) : filename(filename), vertices(0), indices(0)
{
}
bool Model::open(StringSet& failedPaths)
{
MPQFile f(WorldMpq, filename.c_str());
ok = !f.isEof();
if (!ok)
{
f.close();
failedPaths.insert(filename);
return false;
}
_unload();
memcpy(&header, f.getBuffer(), sizeof(ModelHeader));
if (header.nBoundingTriangles > 0)
{
f.seek(0);
f.seekRelative(header.ofsBoundingVertices);
vertices = new Vec3D[header.nBoundingVertices];
f.read(vertices, header.nBoundingVertices * 12);
for (uint32 i = 0; i < header.nBoundingVertices; i++)
{
vertices[i] = fixCoordSystem(vertices[i]);
}
f.seek(0);
f.seekRelative(header.ofsBoundingTriangles);
indices = new uint16[header.nBoundingTriangles];
f.read(indices, header.nBoundingTriangles * 2);
f.close();
}
else
{
//printf("not included %s\n", filename.c_str());
f.close();
return false;
}
return true;
}
bool Model::ConvertToVMAPModel(const char* outfilename)
{
int N[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
FILE* output = fopen(outfilename, "wb");
if (!output)
{
printf("Can't create the output file '%s'\n", outfilename);
return false;
}
fwrite(szRawVMAPMagic, 8, 1, output);
uint32 nVertices = 0;
nVertices = header.nBoundingVertices;
fwrite(&nVertices, sizeof(int), 1, output);
uint32 nofgroups = 1;
fwrite(&nofgroups, sizeof(uint32), 1, output);
fwrite(N, 4 * 3, 1, output); // rootwmoid, flags, groupid
fwrite(N, sizeof(float), 3 * 2, output); //bbox, only needed for WMO currently
fwrite(N, 4, 1, output); // liquidflags
fwrite("GRP ", 4, 1, output);
uint32 branches = 1;
int wsize;
wsize = sizeof(branches) + sizeof(uint32) * branches;
fwrite(&wsize, sizeof(int), 1, output);
fwrite(&branches, sizeof(branches), 1, output);
uint32 nIndexes = 0;
nIndexes = header.nBoundingTriangles;
fwrite(&nIndexes, sizeof(uint32), 1, output);
fwrite("INDX", 4, 1, output);
wsize = sizeof(uint32) + sizeof(unsigned short) * nIndexes;
fwrite(&wsize, sizeof(int), 1, output);
fwrite(&nIndexes, sizeof(uint32), 1, output);
if (nIndexes > 0)
{
for (uint32 i = 0; i < nIndexes; ++i)
{
if ((i % 3) - 1 == 0)
{
uint16 tmp = indices[i];
indices[i] = indices[i+1];
indices[i+1] = tmp;
}
}
fwrite(indices, sizeof(unsigned short), nIndexes, output);
}
fwrite("VERT", 4, 1, output);
wsize = sizeof(int) + sizeof(float) * 3 * nVertices;
fwrite(&wsize, sizeof(int), 1, output);
fwrite(&nVertices, sizeof(int), 1, output);
if (nVertices > 0)
{
for (uint32 vpos = 0; vpos < nVertices; ++vpos)
{
float tmp = vertices[vpos].y;
vertices[vpos].y = -vertices[vpos].z;
vertices[vpos].z = tmp;
}
fwrite(vertices, sizeof(float) * 3, nVertices, output);
}
fclose(output);
return true;
}
Vec3D fixCoordSystem(Vec3D v)
{
return Vec3D(v.x, v.z, -v.y);
}
Vec3D fixCoordSystem2(Vec3D v)
{
return Vec3D(v.x, v.z, v.y);
}
ModelInstance::ModelInstance(MPQFile& f, const char* ModelInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile)
{
float ff[3];
f.read(&id, 4);
f.read(ff, 12);
pos = fixCoords(Vec3D(ff[0], ff[1], ff[2]));
f.read(ff, 12);
rot = Vec3D(ff[0], ff[1], ff[2]);
uint16 fFlags; // dummy var
f.read(&scale, 2);
f.read(&fFlags, 2); // unknown but flag 1 is used for biodome in Outland, currently this value is not used
// scale factor - divide by 1024. blizzard devs must be on crack, why not just use a float?
sc = scale / 1024.0f;
char tempname[512];
sprintf(tempname, "%s/%s", szWorkDirWmo, ModelInstName);
FILE* input;
input = fopen(tempname, "r+b");
if (!input)
{
//printf("ModelInstance::ModelInstance couldn't open %s\n", tempname);
return;
}
fseek(input, 8, SEEK_SET); // get the correct no of vertices
int nVertices;
fread(&nVertices, sizeof(int), 1, input);
fclose(input);
if (nVertices == 0)
return;
uint16 adtId = 0;// not used for models
uint32 flags = MOD_M2;
if (tileX == 65 && tileY == 65) flags |= MOD_WORLDSPAWN;
//write mapID, tileX, tileY, Flags, ID, Pos, Rot, Scale, name
fwrite(&mapID, sizeof(uint32), 1, pDirfile);
fwrite(&tileX, sizeof(uint32), 1, pDirfile);
fwrite(&tileY, sizeof(uint32), 1, pDirfile);
fwrite(&flags, sizeof(uint32), 1, pDirfile);
fwrite(&adtId, sizeof(uint16), 1, pDirfile);
fwrite(&id, sizeof(uint32), 1, pDirfile);
fwrite(&pos, sizeof(float), 3, pDirfile);
fwrite(&rot, sizeof(float), 3, pDirfile);
fwrite(&sc, sizeof(float), 1, pDirfile);
uint32 nlen = strlen(ModelInstName);
fwrite(&nlen, sizeof(uint32), 1, pDirfile);
fwrite(ModelInstName, sizeof(char), nlen, pDirfile);
}