static int TextureCount(lua_State *L)
{
material_t *material = checkmaterial(L, 1);
unsigned int type = checktexturetype(L, 2);
unsigned int count = aiGetMaterialTextureCount(material, (enum aiTextureType)type);
lua_pushinteger(L, count);
return 1;
}
glhckTexture* textureFromMaterial(const char *file, const struct aiMaterial *mtl)
{
glhckTexture *texture;
struct aiString textureName;
enum aiTextureMapping textureMapping;
enum aiTextureOp op;
enum aiTextureMapMode textureMapMode[3] = {0,0,0};
unsigned int uvwIndex, flags;
float blend;
char *texturePath;
glhckTextureParameters params;
assert(file && mtl);
if (!aiGetMaterialTextureCount(mtl, aiTextureType_DIFFUSE))
return NULL;
if (aiGetMaterialTexture(mtl, aiTextureType_DIFFUSE, 0,
&textureName, &textureMapping, &uvwIndex, &blend, &op,
textureMapMode, &flags) != AI_SUCCESS)
return NULL;
memcpy(¶ms, glhckTextureDefaultParameters(), sizeof(glhckTextureParameters));
switch (textureMapMode[0]) {
case aiTextureMapMode_Clamp:
case aiTextureMapMode_Decal:
params.wrapR = GLHCK_WRAP_CLAMP_TO_EDGE;
params.wrapS = GLHCK_WRAP_CLAMP_TO_EDGE;
params.wrapT = GLHCK_WRAP_CLAMP_TO_EDGE;
break;
case aiTextureMapMode_Mirror:
params.wrapR = GLHCK_WRAP_MIRRORED_REPEAT;
params.wrapS = GLHCK_WRAP_MIRRORED_REPEAT;
params.wrapT = GLHCK_WRAP_MIRRORED_REPEAT;
break;
default:
break;
}
if (!(texturePath = _glhckImportTexturePath(textureName.data, file)))
return NULL;
DEBUG(0, "%s", texturePath);
texture = glhckTextureNewFromFile(texturePath, NULL, ¶ms);
_glhckFree(texturePath);
return texture;
}
// basado en http://www.gamedev.net/topic/582240-assimp-drawing-textured-model/
void Model::recursiveTextureLoad(const struct aiScene *sc, const struct aiNode* nd)
{
int i;
unsigned int n = 0, t;
aiMatrix4x4 m = nd->mTransformation;
// update transform
aiTransposeMatrix4(&m);
glPushMatrix();
glMultMatrixf((float*)&m);
// draw all meshes assigned to this node
for (; n < nd->mNumMeshes; ++n)
{
const struct aiMesh* mesh = sc->mMeshes[nd->mMeshes[n]];
unsigned int cont = aiGetMaterialTextureCount(sc->mMaterials[mesh->mMaterialIndex], aiTextureType_DIFFUSE);
struct aiString* str = (aiString*)malloc(sizeof(struct aiString));
if(cont > 0)
{
//aiGetMaterialString(sc->mMaterials[mesh->mMaterialIndex],AI_MATKEY_TEXTURE_DIFFUSE(0),str);
aiGetMaterialTexture(sc->mMaterials[mesh->mMaterialIndex],aiTextureType_DIFFUSE,0,str,0,0,0,0,0,0);
// See if another mesh is already using this texture, if so, just copy GLuint instead of remaking entire texture
bool newTextureToBeLoaded = true;
for(int x = 0; x < texturesAndPaths.size(); x++)
{
if(texturesAndPaths[x].pathName == *str)
{
TextureAndPath reusedTexture;
reusedTexture.hTexture = texturesAndPaths[x].hTexture;
reusedTexture.pathName = *str;
texturesAndPaths.push_back(reusedTexture);
newTextureToBeLoaded = false;
std::cout << "Texture reused." << std::endl;
break;
}
}
if(newTextureToBeLoaded)
{
FREE_IMAGE_FORMAT formato = FreeImage_GetFileType(str->data,0);
//Automatocally detects the format(from over 20 formats!)
FIBITMAP* imagen = FreeImage_Load(formato, str->data);
FIBITMAP* temp = imagen;
imagen = FreeImage_ConvertTo32Bits(imagen);
FreeImage_Unload(temp);
int w = FreeImage_GetWidth(imagen);
int h = FreeImage_GetHeight(imagen);
//Some debugging code
char* pixeles = (char*)FreeImage_GetBits(imagen);
//FreeImage loads in BGR format, so you need to swap some bytes(Or use GL_BGR).
//Now generate the OpenGL texture object
TextureAndPath newTexture;
newTexture.pathName = *str;
glGenTextures(1, &newTexture.hTexture);
glBindTexture(GL_TEXTURE_2D, newTexture.hTexture);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA, w, h, 0, GL_BGRA_EXT,GL_UNSIGNED_BYTE,(GLvoid*)pixeles );
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glBindTexture(GL_TEXTURE_2D, newTexture.hTexture);
GLenum huboError = glGetError();
if(huboError)
{
std::cout<<"There was an error loading the texture"<<std::endl;
}
std::cout << "texture loaded." << std::endl;
texturesAndPaths.push_back(newTexture);
}
}
}
// Get textures from all children
for (n = 0; n < nd->mNumChildren; ++n)
recursiveTextureLoad(sc, nd->mChildren[n]);
}
void Model3D::recursiveTextureLoad(const struct aiScene *sc, const struct aiNode* nd) {
int i;
unsigned int n = 0, t;
struct aiMatrix4x4 m = nd->mTransformation;
// update transform
aiTransposeMatrix4(&m);
glPushMatrix();
glMultMatrixf((float*) &m);
// draw all meshes assigned to this node
for (; n < nd->mNumMeshes; ++n) {
const struct aiMesh* mesh = sc->mMeshes[nd->mMeshes[n]];
unsigned int cont = aiGetMaterialTextureCount(sc->mMaterials[mesh->mMaterialIndex], aiTextureType_AMBIENT);
struct aiString* str = (aiString*) malloc(sizeof(struct aiString));
if (cont > 0) {
//aiGetMaterialString(sc->mMaterials[mesh->mMaterialIndex],AI_MATKEY_TEXTURE_DIFFUSE(0),str);
aiGetMaterialTexture(sc->mMaterials[mesh->mMaterialIndex], aiTextureType_AMBIENT, 0, str, 0, 0, 0, 0, 0, 0);
// See if another mesh is already using this texture, if so, just copy GLuint instead of remaking entire texture
bool newTextureToBeLoaded = true;
for (int x = 0; x < texturesAndPaths.size(); x++) {
if (texturesAndPaths[x].pathName == *str) {
TextureAndPath reusedTexture;
reusedTexture.hTexture = texturesAndPaths[x].hTexture;
reusedTexture.pathName = *str;
//printf("%s pathnm \n", reusedTexture.pathName.data);
texturesAndPaths.push_back(reusedTexture);
newTextureToBeLoaded = false;
std::cout << "Texture reused." << std::endl;
break;
}
}
if (newTextureToBeLoaded) {
texturename.clear();
texturename.append(foldername.c_str());
texturename.append(str->data);
std::cout << texturename.c_str() << " strname \n";
Mat imagen=imread(texturename.c_str());
int w = imagen.cols;
int h = imagen.rows;
int dataSize=imagen.cols*imagen.rows*3;
unsigned char* data=new unsigned char[dataSize];
int j=0;
for( int y = 0; y < imagen.rows; y++ )
{
for( int x = 0; x < imagen.cols; x++ )
{
for( int c = 0; c < 3; c++ )
{
data[j] = imagen.at<Vec3b>(y,x)[c];
j++;
}
}
}
//Now generate the OpenGL texture object
TextureAndPath newTexture;
newTexture.pathName = *str;
glGenTextures(1, &newTexture.hTexture);
glBindTexture(GL_TEXTURE_2D, newTexture.hTexture);
//glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA, w, h, 0, GL_BGR,GL_UNSIGNED_BYTE,(GLvoid*)pixeles );
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gluBuild2DMipmaps(GL_TEXTURE_2D, 3, imagen.cols, imagen.rows, GL_BGR_EXT, GL_UNSIGNED_BYTE, data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glBindTexture(GL_TEXTURE_2D, newTexture.hTexture);
GLenum huboError = glGetError();
if (huboError) {
std::cout << "There was an error loading the texture" << std::endl;
}
std::cout << "texture loaded." << std::endl;
texturesAndPaths.push_back(newTexture);
}
}
}
// Get textures from all children
for (n = 0; n < nd->mNumChildren; ++n)
recursiveTextureLoad(sc, nd->mChildren[n]);
}
