X-Git-Url: https://git.lukelau.me/?p=opengl.git;a=blobdiff_plain;f=material.cpp;h=0e655a19bb2fcb39d04a043d9bb1cbaafd840eaa;hp=470f1a2caa370bd2292a474f2ccc34f39e9662bf;hb=c44e69ec78367fb2957324026894aef970f2481a;hpb=37cba564a96018a5500e942498d4e48c0ebe73ed

diff --git a/material.cpp b/material.cpp
index 470f1a2..0e655a1 100644
--- a/material.cpp
+++ b/material.cpp
@@ -1,12 +1,21 @@
 #include "material.hpp"
-#include <iostream>
-#include <CoreGraphics/CoreGraphics.h>
+#include "image.hpp"
 
 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);
@@ -14,29 +23,36 @@ Material::Material(const aiMaterial &ai, GLuint progId): progId(progId) {
 	ai.Get(AI_MATKEY_COLOR_SPECULAR, specular);
 }
 
-Material::Texture::Texture(const std::string &path) {
-	auto provider = CGDataProviderCreateWithFilename(path.c_str());
-	auto ref = CGImageCreateWithJPEGDataProvider(provider, nullptr, false, kCGRenderingIntentDefault);
-	auto dataRef = CGDataProviderCopyData(CGImageGetDataProvider(ref));
-	auto img = (unsigned char*) CFDataGetBytePtr(dataRef);
-
+Material::Texture::Texture(const std::string &fileName) {
 	glGenTextures(1, &texId);
 	glBindTexture(GL_TEXTURE_2D, texId);
-	auto width = CGImageGetWidth(ref), height = CGImageGetHeight(ref);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, img);
+	Image img("models/" + fileName);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, img.width(), img.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, img.data());
 	glGenerateMipmap(GL_TEXTURE_2D);
-
-	CGImageRelease(ref);
-	CFRelease(dataRef);
 }
 
 void Material::bind() const {
-	glUniform3f(glGetUniformLocation(progId, "material.ambient"), ambient.r, ambient.g, ambient.b);
-	glUniform3f(glGetUniformLocation(progId, "material.diffuse"), diffuse.r, diffuse.g, diffuse.b);
-	glUniform3f(glGetUniformLocation(progId, "material.specular"), specular.r, specular.g, specular.b);
+	glUniform4f(glGetUniformLocation(progId, "material.ambient"), ambient.r, ambient.g, ambient.b, ambient.a);
+	glUniform4f(glGetUniformLocation(progId, "material.diffuse"), diffuse.r, diffuse.g, diffuse.b, diffuse.a);
+	glUniform4f(glGetUniformLocation(progId, "material.specular"), specular.r, specular.g, specular.b, specular.a);
 	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);
+	}
 }