/** 载入MD2文件 */
bool CMD2Loader::ImportMD2(t3DModel *pModel, char *strFileName, char *strTexture)
{
char strMessage[255] = {0};
/** 打开文件 */
m_FilePointer = fopen(strFileName, "rb");
/** 检查文件指针 */
if(!m_FilePointer)
{
sprintf(strMessage, "打开文件: %s错误!", strFileName);
MessageBox(NULL, strMessage, "Error", MB_OK);
return false;
}
/** 读取文件头 */
fread(&m_Header, 1, sizeof(tMd2Header), m_FilePointer);
/** 检查版本号 */
if(m_Header.version != 8)
{
sprintf(strMessage, "Invalid file format (Version not 8): %s!", strFileName);
MessageBox(NULL, strMessage, "Error", MB_OK);
return false;
}
/** 读取MD2文件数据 */
ReadMD2Data();
/** 将MD2数据转换为模型结构 */
ConvertDataStructures(pModel);
/** 如果具有纹理文件 */
if(strTexture)
{
/** 材质信息结构体 */
tMaterialInfo texture;
/** 复制文件名 */
strcpy(texture.strFile, strTexture);
/** 纹理ID号为0 */
texture.texureId = 0;
texture.uTile = texture.uTile = 1;
/** 模型材质数为1 */
pModel->numOfMaterials = 1;
/** 添加材质信息 */
pModel->pMaterials.push_back(texture);
}
/** 释放内存 */
CleanUp();
return true; /**< 成功返回 */
}
bool CLoadMD2::ImportMD2(t3DModel *pModel, char *strFileName, char *strTexture)
{
char strMessage[255] = {0};
// Open the MD2 file in binary
m_FilePointer = fopen(strFileName, "rb");
// Make sure we have a valid file pointer (we found the file)
if(!m_FilePointer)
{
// Display an error message and don't load anything if no file was found
sprintf(strMessage, "Unable to find the file: %s!", strFileName);
MessageBox(NULL, strMessage, "Error", MB_OK);
return false;
}
// Read the header data and store it in our m_Header member variable
fread(&m_Header, 1, sizeof(tMd2Header), m_FilePointer);
// Make sure the version is this crazy number '8' or else it's a bad egg
if(m_Header.version != 8)
{
// Display an error message for bad file format, then stop loading.
sprintf(strMessage, "Invalid file format (Version not 8): %s!", strFileName);
MessageBox(NULL, strMessage, "Error", MB_OK);
return false;
}
// Read in the model and animation data
ReadMD2Data();
// Here we pass in our model structure so it can store and read Quake data
// in our own model and object structure data.
ConvertDataStructures(pModel);
// If there is a valid texture name passed in, we want to set the texture data
if(strTexture)
{
// Create a local material info structure
tMaterialInfo texture;
// Copy the name of the file into our texture file name variable
strcpy(texture.strFile, strTexture);
// Since there is only one texture for a .Md2 file, the ID is always 0
texture.texureId = 0;
// The tile or scale for the UV's is 1 to 1 (but Quake saves off a 0-256 ratio)
texture.uTile = texture.uTile = 1;
// We only have 1 material for a model
pModel->numOfMaterials = 1;
// Add the local material info to our model's material list
pModel->pMaterials.push_back(texture);
}
// Clean up after everything
CleanUp();
// Return a success
return true;
}
bool CLoadMD2::ImportMD2(t3DModel *pModel, char *strFileName, char *strTexture)
{
char strMessage[255] = {0};
// Open the MD2 file in binary
m_FilePointer = fopen(strFileName, "rb");
// Make sure we have a valid file pointer (we found the file)
if(!m_FilePointer)
{
// Display an error message and don't load anything if no file was found
sprintf(strMessage, "Unable to find the file: %s!", strFileName);
MessageBox(NULL, strMessage, "Error", MB_OK);
return false;
}
// Just like most file formats, there is a header that needs to be read
// from the .MD2 format. If you look at the tMd2Header structure you will
// find all the data that will be read in. It's nice to know up front about
// the data that we will be reading. This makes it easy to just to large
// binary reads using fread, instead of counting and reading chunks.
// Read the header data and store it in our m_Header member variable
fread(&m_Header, 1, sizeof(tMd2Header), m_FilePointer);
// For some reason, .Md2 files MUST have a version of 8. I am not sure why,
// but if it doesn't there is something wrong and the header was read in
// incorrectly, or perhaps the file format is bad.
if(m_Header.version != 8)
{
// Display an error message for bad file format, then stop loading
sprintf(strMessage, "Invalid file format (Version not 8): %s!", strFileName);
MessageBox(NULL, strMessage, "Error", MB_OK);
return false;
}
// Now that we made sure the header had correct data, we want to read in the
// rest of the data. Once the data is read in, we need to convert it to our structures.
// Since we are only reading in the first frame of animation, there will only
// be ONE object in our t3DObject structure, held within our pModel variable.
ReadMD2Data();
// Here we pass in our model structure to it can store the read Quake data
// in our own model and object structure data.
ConvertDataStructures(pModel);
// After we have read the whole MD2 file, we want to calculate our own vertex normals.
ComputeNormals(pModel);
// If there is a valid texture name passed in, we want to set the texture data.
if(strTexture)
{
// Create a local material info structure
tMaterialInfo texture;
// Copy the name of the file into our texture file name variable
strcpy(texture.strFile, strTexture);
// Since there is only one texture for a .MD2 file, the ID is always 0
texture.texureId = 0;
// The tile or scale for the UV's is 1 to 1 (but Quake saves off a 0-256 ratio)
texture.uTile = texture.uTile = 1;
// We only have 1 material for a model
pModel->numOfMaterials = 1;
// Add the local material info to our model's material list
pModel->pMaterials.push_back(texture);
}
// Clean up after everything
CleanUp();
// Return a success
return true;
}