#include "material.hpp"
#include <iostream>
+#include <fstream>
#include <CoreGraphics/CoreGraphics.h>
Material::Material(const aiMaterial &ai, GLuint progId): progId(progId) {
if (ai.GetTextureCount(aiTextureType_DIFFUSE) > 0) {
aiString path;
ai.GetTexture(aiTextureType_DIFFUSE, 0, &path);
- texture = new Texture(std::string(path.C_Str()));
+ diffuseMap = new Texture(std::string(path.C_Str()));
+ }
+ if (ai.GetTextureCount(aiTextureType_SPECULAR) > 0) {
+ aiString path;
+ ai.GetTexture(aiTextureType_SPECULAR, 0, &path);
+ specularMap = new Texture(std::string(path.C_Str()));
+ }
+ if (ai.GetTextureCount(aiTextureType_NORMALS) > 0) {
+ aiString path;
+ ai.GetTexture(aiTextureType_NORMALS, 0, &path);
+ normalMap = new Texture(std::string(path.C_Str()));
}
ai.Get(AI_MATKEY_SHININESS, shininess);
ai.Get(AI_MATKEY_COLOR_AMBIENT, ambient);
}
Material::Texture::Texture(const std::string &path) {
+
auto provider = CGDataProviderCreateWithFilename(path.c_str());
- auto ref = CGImageCreateWithJPEGDataProvider(provider, nullptr, false, kCGRenderingIntentDefault);
+ std::ifstream file(path);
+ long magic;
+ file.read((char*)&magic, 8);
+ file.close();
+
+ CGImageRef ref;
+
+ if (magic == 0x0a1a0a0d474e5089) // png magic number
+ ref = CGImageCreateWithPNGDataProvider(provider, nullptr, false, kCGRenderingIntentDefault);
+ else
+ ref = CGImageCreateWithJPEGDataProvider(provider, nullptr, false, kCGRenderingIntentDefault);
+
auto dataRef = CGDataProviderCopyData(CGImageGetDataProvider(ref));
auto img = (unsigned char*) CFDataGetBytePtr(dataRef);
glUniform3f(glGetUniformLocation(progId, "material.diffuse"), diffuse.r, diffuse.g, diffuse.b);
glUniform3f(glGetUniformLocation(progId, "material.specular"), specular.r, specular.g, specular.b);
glUniform1f(glGetUniformLocation(progId, "material.shininess"), shininess);
- glUniform1i(glGetUniformLocation(progId, "material.hasTexture"), texture != nullptr);
+ glUniform1i(glGetUniformLocation(progId, "material.hasTexture"), diffuseMap != nullptr);
+ glUniform1i(glGetUniformLocation(progId, "material.hasSpecularMap"), specularMap != nullptr);
+ glUniform1i(glGetUniformLocation(progId, "material.hasNormalMap"), normalMap != nullptr);
- if (texture)
- glBindTexture(GL_TEXTURE_2D, texture->texId);
+ if (diffuseMap) {
+ glUniform1i(glGetUniformLocation(progId, "material.diffuseMap"), 0);
+ glActiveTexture(GL_TEXTURE0);
+ glBindTexture(GL_TEXTURE_2D, diffuseMap->texId);
+ }
+ if (specularMap) {
+ glUniform1i(glGetUniformLocation(progId, "material.specularMap"), 1);
+ glActiveTexture(GL_TEXTURE1);
+ glBindTexture(GL_TEXTURE_2D, specularMap->texId);
+ }
+ if (normalMap) {
+ glUniform1i(glGetUniformLocation(progId, "material.normalMap"), 2);
+ glActiveTexture(GL_TEXTURE2);
+ glBindTexture(GL_TEXTURE_2D, normalMap->texId);
+ }
}