X-Git-Url: http://git.lukelau.me/?p=opengl.git;a=blobdiff_plain;f=model.cpp;h=ee1159532728a0a834705fa9de8eb9dd91c35932;hp=8046e29434fcf467b29942dc56aa5b60b76b84cf;hb=511a2c92fcb9dda82dd5d38b91ea03790d0cb7b2;hpb=ba9c738e8660304aa0341eb44118e63502a4a009

diff --git a/model.cpp b/model.cpp
index 8046e29..ee11595 100644
--- a/model.cpp
+++ b/model.cpp
@@ -17,7 +17,8 @@ Model::Mesh::Mesh(const aiMesh *aiMesh, GLuint progId) {
 			aiVector3D v = aiMesh->mNormals[i];
 			normals.push_back(glm::vec3(v.x, v.y, v.z));
 		} else {
-			normals.push_back(glm::vec3(0));
+			std::cerr << "Missing normals" << std::endl;
+			exit(1);
 		}
 		if (aiMesh->HasTangentsAndBitangents()) {
 			aiVector3D t = aiMesh->mTangents[i];
@@ -25,8 +26,8 @@ Model::Mesh::Mesh(const aiMesh *aiMesh, GLuint progId) {
 			aiVector3D b = aiMesh->mBitangents[i];
 			bitangents.push_back(glm::vec3(b.x, b.y, b.z));
 		} else {
-			tangents.push_back(glm::vec3(0));
-			bitangents.push_back(glm::vec3(0));
+			std::cerr << "Missing tangents: make sure blender has UV maps" << std::endl;
+			exit(1);
 		}
 		// check for texture coord set 0
 		if (aiMesh->HasTextureCoords(0)) {
@@ -59,13 +60,13 @@ Model::Mesh::Mesh(const aiMesh *aiMesh, GLuint progId) {
 	GLuint vertexVbo = vbos[0], normalVbo = vbos[1], texCoordVbo = vbos[2], indicesVbo = vbos[3];
 	GLuint tangentVbo = vbos[4], bitangentVbo = vbos[5];
 	
-	GLuint posLoc = glGetAttribLocation(progId, "vPosition");
+	GLuint posLoc = glGetAttribLocation(progId, "pos");
 	glBindBuffer(GL_ARRAY_BUFFER, vertexVbo);
 	glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(glm::vec3), &vertices[0], GL_STATIC_DRAW);
 	glEnableVertexAttribArray(posLoc);
 	glVertexAttribPointer(posLoc, 3, GL_FLOAT, GL_FALSE, 0, 0);
 	
-	GLuint normalLoc = glGetAttribLocation(progId, "vNormal");
+	GLuint normalLoc = glGetAttribLocation(progId, "unscaledNormal");
 	glBindBuffer(GL_ARRAY_BUFFER, normalVbo);
 	glBufferData(GL_ARRAY_BUFFER, normals.size() * sizeof(glm::vec3), &normals[0], GL_STATIC_DRAW);
 	glEnableVertexAttribArray(normalLoc);
@@ -77,21 +78,21 @@ Model::Mesh::Mesh(const aiMesh *aiMesh, GLuint progId) {
 	glEnableVertexAttribArray(texCoordLoc);
 	glVertexAttribPointer(texCoordLoc, 2, GL_FLOAT, GL_FALSE, 0, 0);
 
-	GLuint tangentLoc = glGetAttribLocation(progId, "tangent");
-	glBindBuffer(GL_ARRAY_BUFFER, tangentVbo);
-	glBufferData(GL_ARRAY_BUFFER, tangents.size() * sizeof(glm::vec3), &tangents[0], GL_STATIC_DRAW);
-	glEnableVertexAttribArray(tangentLoc);
-	glVertexAttribPointer(tangentLoc, 3, GL_FLOAT, GL_FALSE, 0, 0);
+	/* GLuint tangentLoc = glGetAttribLocation(progId, "tangent"); */
+	/* glBindBuffer(GL_ARRAY_BUFFER, tangentVbo); */
+	/* glBufferData(GL_ARRAY_BUFFER, tangents.size() * sizeof(glm::vec3), &tangents[0], GL_STATIC_DRAW); */
+	/* glEnableVertexAttribArray(tangentLoc); */
+	/* glVertexAttribPointer(tangentLoc, 3, GL_FLOAT, GL_FALSE, 0, 0); */
 
-	GLuint bitangentLoc = glGetAttribLocation(progId, "bitangent");
-	glBindBuffer(GL_ARRAY_BUFFER, bitangentVbo);
-	glBufferData(GL_ARRAY_BUFFER, bitangents.size() * sizeof(glm::vec3), &bitangents[0], GL_STATIC_DRAW);
-	glEnableVertexAttribArray(bitangentLoc);
-	glVertexAttribPointer(bitangentLoc, 3, GL_FLOAT, GL_FALSE, 0, 0);
+	/* GLuint bitangentLoc = glGetAttribLocation(progId, "bitangent"); */
+	/* glBindBuffer(GL_ARRAY_BUFFER, bitangentVbo); */
+	/* glBufferData(GL_ARRAY_BUFFER, bitangents.size() * sizeof(glm::vec3), &bitangents[0], GL_STATIC_DRAW); */
+	/* glEnableVertexAttribArray(bitangentLoc); */
+	/* glVertexAttribPointer(bitangentLoc, 3, GL_FLOAT, GL_FALSE, 0, 0); */
 
 	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indicesVbo);
 	glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(GLuint), &indices[0], GL_STATIC_DRAW);
-};
+}
 
 Model::Node::Node(const aiNode &node, GLuint progId): ai(node), progId(progId) {
 	for (int i = 0; i < node.mNumMeshes; i++) {
@@ -113,6 +114,7 @@ glm::mat4 aiMatrixToMat4(aiMatrix4x4 from) {
 
 void Model::Node::draw(	const std::vector<Mesh> &meshes,
 						const std::vector<Material> &materials,
+						const Skybox skybox,
 						glm::mat4 parentTrans = glm::mat4(1)) const {
 
 	GLuint modelLoc = glGetUniformLocation(progId, "model");
@@ -125,14 +127,28 @@ void Model::Node::draw(	const std::vector<Mesh> &meshes,
 		Material material = materials[mesh.materialIndex];
 		material.bind();
 
+		glUniform1i(glGetUniformLocation(progId, "irradianceMap"), 4);
+		glActiveTexture(GL_TEXTURE4);
+		glBindTexture(GL_TEXTURE_CUBE_MAP, skybox.getIrradianceMap());
+
+		glUniform1i(glGetUniformLocation(progId, "prefilterMap"), 5);
+		glActiveTexture(GL_TEXTURE5);
+		glBindTexture(GL_TEXTURE_CUBE_MAP, skybox.getPrefilterMap());
+
+		glUniform1i(glGetUniformLocation(progId, "brdfMap"), 6);
+		glActiveTexture(GL_TEXTURE6);
+		glBindTexture(GL_TEXTURE_2D, skybox.getBRDFMap());
+		
 		glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(m));
 
 		glDrawElements(GL_TRIANGLES, mesh.numIndices, GL_UNSIGNED_INT, 0);
 	}
-	for (Node *child: children) child->draw(meshes, materials, m);
+	for (Node *child: children) child->draw(meshes, materials, skybox, m);
 }
 
-Model::Model(const std::string &path, GLuint progId): progId(progId) {
+Model::Model(const std::string &path, Program p): program(p) {
+	glUseProgram(p.progId);
+	
 	const aiScene *scene = importer.ReadFile(path, 
 			aiProcess_Triangulate | aiProcess_CalcTangentSpace | aiProcess_GenNormals);
 	if (!scene) {
@@ -142,19 +158,21 @@ Model::Model(const std::string &path, GLuint progId): progId(progId) {
 
 	for (int i = 0; i < scene->mNumMeshes; i++) {
 		const aiMesh *mesh = scene->mMeshes[i];
-		meshes.push_back(Mesh(mesh, progId));
+		meshes.push_back(Mesh(mesh, p.progId));
 	}
 
 	for (unsigned int i = 0; i < scene->mNumMaterials; i++) {
 		const aiMaterial &material = *scene->mMaterials[i];
-		materials.push_back(Material(material, progId));
+		materials.push_back(Material(material, p.progId));
 	}
 
-	root = new Node(*(scene->mRootNode), progId);
+	root = new Node(*(scene->mRootNode), p.progId);
 }
 
-void Model::draw() const {
-	root->draw(meshes, materials);
+void Model::draw(Skybox skybox) const {
+	glUseProgram(program.progId);
+	root->draw(meshes, materials, skybox);
+	program.validate();
 }
 
 Model::Node* Model::find(const std::string &name) {