From a853e102eb33fc1abb3a36f7d44f5f8b169a00ab Mon Sep 17 00:00:00 2001
From: seba <seba@seba-geek.de>
Date: Sun, 13 Apr 2008 03:17:27 +0200
Subject: [PATCH] cooles update, funtzt mehr, materialien noch nich ganz

---
 models/load3ds.cpp | 117 ++++++++++++++++++++++++++++++++++++++++-----
 models/load3ds.h   |   3 ++
 models/model.cpp   |  71 ++++++++++++++++++++++-----
 models/model.h     |  28 ++++++++++-
 4 files changed, 196 insertions(+), 23 deletions(-)

diff --git a/models/load3ds.cpp b/models/load3ds.cpp
index 2da72db..08aa5bf 100644
--- a/models/load3ds.cpp
+++ b/models/load3ds.cpp
@@ -22,35 +22,35 @@ bool Load3ds::parse(Model *m) {
 	
 	unsigned short ident;
 	unsigned int len;
+	
 	bool modelloaded = false;
+	bool materialloaded = false;
+	
+	Material mat;
 	ModelObject modobj;
 	m->clear();
-	std::cout << "size: " << sizeof(int) << std::endl;
 	while(!mfile.eof()) {
 		ident = len = 0;
 		mfile.read((char *)&ident, 2);
 		mfile.read((char *)&len, 4);
-// 		mfile.read((char *)&m, 1);
-// 		mfile.read((char *)&n, 1);
+
 		std::cout << "Chunk: 0x" << std::hex << ident << " (" << std::dec << len << ")" << std::endl;
 		switch(ident) {
 			case 0x4d4d:
 				// Main Chunk
-				std::cout << "yeah!" << std::endl;
 			break;
 			case 0x3d3d:
 				// 3D Editor Chunk
-				std::cout << "editorchunk" << std::endl;
 			break;
 			case 0x4000:
 			{
 				if(modelloaded) {
-					modobj.calcNormales();
+					modobj.calcNormales();			
 					m->addObject(modobj);
 					modobj.clear();
 				}
 				modelloaded = true;
-				std::cout << "namechunk" << std::endl;
+// 				std::cout << "namechunk" << std::endl;
 				std::string name;
 				char c;
 				do {
@@ -67,6 +67,7 @@ bool Load3ds::parse(Model *m) {
 				unsigned short panz;
 				Punkt3D p;
 				mfile.read((char*)&panz, 2);
+// 				std::cout << "\t\t\tVertexanz: " << panz << std::endl;
 				glBegin(GL_LINE_LOOP);
 				for(unsigned int i=0; i<panz; i++) {
 					mfile.read((char*)&p.x, sizeof(float));
@@ -84,6 +85,7 @@ bool Load3ds::parse(Model *m) {
 				unsigned short panz, tp;
 				Punkt3D p;
 				mfile.read((char*)&panz, 2);
+// 				std::cout << "\t\t\tPolygonanz: " << panz << std::endl;
 				for(unsigned int i=0; i<panz; i++) {
 					mfile.read((char*)&tp, 2);
 					p.x = tp;
@@ -91,16 +93,40 @@ bool Load3ds::parse(Model *m) {
 					p.y = tp;
 					mfile.read((char*)&tp, 2);
 					p.z = tp;
-					p.print("Polygon");
+					mfile.read((char*)&tp, 2);
+					tp; // flags
+// 					p.print("Polygon");
 					modobj.polygon.push_back(p);
 				}
 			}
 			break;
+			// Komischer Chunk, ein haufen Zahlen sind sich selber zugewiesen
+
+			case 0x4130:
+			{
+				std::string name;
+				char c;
+				do {
+					mfile.read(&c, 1);
+					name += c;
+				} while(c!=0);
+				modobj.mat = m->findMaterial(name);
+				std::cout << "Mat Name: " << name << std::endl;
+				unsigned short panz, tp;
+				mfile.read((char*)&panz, 2);
+				mfile.ignore(panz*2);
+// 				for(unsigned int i=0; i<panz; i++) {
+// 					mfile.read((char*)&tp, 2);
+// 					std::cout << i << " ==> " << tp << std::endl;
+// 				}
+			}
+			break;
 			case 0x4140:
 			{
 				unsigned short panz;
 				Punkt2D p;
 				mfile.read((char*)&panz, 2);
+// 				std::cout << "\t\t\tUV-Anz: " << panz << std::endl;
 				for(unsigned int i=0; i<panz; i++) {
 					mfile.read((char*)&p.x, sizeof(float));
 					mfile.read((char*)&p.y, sizeof(float));
@@ -108,25 +134,94 @@ bool Load3ds::parse(Model *m) {
 				}
 			}
 			break;
+			case 0xafff:
+				// Materialchunk
+			break;
+			case 0xa000:
+			{
+				if(materialloaded) {
+					m->addMaterial(mat);
+					mat.clear();
+				}
+				materialloaded = true;
+				std::string name;
+				char c;
+				do {
+					mfile.read(&c, 1);
+					name += c;
+				} while(c!=0);
+				mat.name = name;
+				std::cout << "Mat Name: " << name << std::endl;
+			}
+			break;
+			case 0xa010:
+			{
+				GLColor col;
+				col = readColorChunk(&mfile);
+				mat.ambient = col;
+				std::cout << col.r << ", " << col.g << ", " << col.b << std::endl;
+			}
+			break;
+			case 0xa020:
+			{
+				GLColor col;
+				col = readColorChunk(&mfile);
+				mat.diffuse = col;
+				std::cout << col.r << ", " << col.g << ", " << col.b << std::endl;
+			}
+			break;
+			case 0xa030:
+			{
+				GLColor col;
+				col = readColorChunk(&mfile);
+				mat.specular = col;
+				std::cout << col.r << ", " << col.g << ", " << col.b << std::endl;
+			}
+			break;
 			default:
 				//Switch Chunk
-				std::cout << "einfach ignorieren..." << std::endl;
+// 				std::cout << "einfach ignorieren..." << std::endl;
 				mfile.ignore(len-6);
+// 				std::cout << "moep" << std::endl;
 			break;
 		}
 	}
+	if(materialloaded)
+		m->addMaterial(mat);
 
 	if(modelloaded) {
 		modobj.calcNormales();
+		modobj.mat = m->findMaterial(modobj.getName());
 		m->addObject(modobj);
-		modobj.clear();
 	}
-	
+	std::cout << "Ende Load" << std::endl;
 	mfile.close();
 
 	return true;
 }
 
+GLColor Load3ds::readColorChunk(std::ifstream *file) {
+	GLColor col;
+	unsigned short id, tp;
+	unsigned int clen;
+	file->read((char*)&id, 2); // Color, warscheinlich nur bytes, wenn nich implementiere funktion
+	file->read((char*)&clen, 4); // len, gleiches wie oben
+	switch(id)  {
+		case 0x11:
+				file->read((char*)&tp, 1);
+				col.r = tp/255.0f;
+				file->read((char*)&tp, 1);
+				col.g = tp/255.0f;
+				file->read((char*)&tp, 1);
+				col.b = tp/255.0f;
+		break;
+		default:
+			file->ignore(clen-6);
+		break;
+	}
+	return col;
+}
+
 void Load3ds::unload() {
 	parsed = false;
 	error = false;
diff --git a/models/load3ds.h b/models/load3ds.h
index 4dd5b90..ee46745 100644
--- a/models/load3ds.h
+++ b/models/load3ds.h
@@ -6,6 +6,7 @@
 #include <string>
 #include <vector>
 #include "model.h"
+#include "../glcolor.h"
 
 class Chunk {
 	private:
@@ -24,6 +25,8 @@ class Load3ds {
 		
 		bool parsed;
 		bool error;
+		
+		GLColor readColorChunk(std::ifstream *file);
 	public:
 		Load3ds(std::string _fname, bool parse=true);
 		
diff --git a/models/model.cpp b/models/model.cpp
index 3c826ff..6027cab 100644
--- a/models/model.cpp
+++ b/models/model.cpp
@@ -13,35 +13,70 @@ void ModelObject::clear() {
 
 void ModelObject::calcNormales() {
 	normal.clear();
-	Punkt3D a, b;
+	Punkt3D a, b, c;
 	for(unsigned int i=0; i<polygon.size(); i++) {
 		a = vertex.at((unsigned short)polygon[i].x) - vertex.at((unsigned short)polygon[i].z);
 		b = vertex.at((unsigned short)polygon[i].y) - vertex.at((unsigned short)polygon[i].z);
-		normal.push_back(a.kreuzprodukt(b));
+		c = a.kreuzprodukt(b);
+		c.normalize();
+		normal.push_back(c);
+// 		c.print("Normale");
 	}
 	
 }
 
 void ModelObject::render() {
-	std::cout << "render " << name << std::endl;
+// 	std::cout << "render " << name << " mit " << polygon.size()<< std::endl;
+// 	std::cout << "Vertex: " << vertex.size() << std::endl;
 	glBegin(GL_TRIANGLES);
 		for(unsigned int i=0; i<polygon.size(); i++) {
-	// 		glNormal3f(normal.at(    (unsigned short)polygon[i].x));
-	// 		glTexCoord2f(mapcoord.at((unsigned short)polygon[i].x));
+// 			std::cout << "whee nr " <<i << std::endl;
+// 			polygon[i].print();
+// 			std::cout << "Stat: " << polygon.size() << " " << vertex.size() << " " << mapcoord.size() << " " << normal.size() << std::endl;
+// 			glNormal3f(normal.at(    (unsigned short)polygon[i].x));
+// 			glColor3f(mat.diffuse.r, mat.diffuse.g, mat.diffuse.b);
+			glColorGLC(mat.ambient);
+// 			std::cout << mat.ambient.r << ", " << mat.ambient.g << ", " << mat.ambient.b << std::endl;
+
+			glNormal3f(normal.at(i));
+				
+			glTexCoord2f(mapcoord.at((unsigned short)polygon[i].x));
 			glVertex3f(vertex.at(    (unsigned short)polygon[i].x));
 			
-	// 		glNormal3f(normal.at(    (unsigned short)polygon[i].y));
-	// 		glTexCoord2f(mapcoord.at((unsigned short)polygon[i].y));
+
+			glTexCoord2f(mapcoord.at((unsigned short)polygon[i].y));
 			glVertex3f(vertex.at(    (unsigned short)polygon[i].y));
 	
-	// 		glNormal3f(normal.at(    (unsigned short)polygon[i].z));
-	// 		glTexCoord2f(mapcoord.at((unsigned short)polygon[i].z));
+
+			glTexCoord2f(mapcoord.at((unsigned short)polygon[i].z));
 			glVertex3f(vertex.at(    (unsigned short)polygon[i].z));
-			vertex.at(    (unsigned short)polygon[i].x).print();
+// 			vertex.at(    (unsigned short)polygon[i].x).print();
 		}
 	glEnd();
 }
 
+std::string ModelObject::getName() {
+	return name;
+}
+
+Material::Material() {
+	clear();
+}
+		
+void Material::clear() {
+	name = "";
+		
+	ambient.set(0.0f, 0.0f, 0.0f);
+	diffuse.set(0.0f, 0.0f, 0.0f);
+	specular.set(0.0f, 0.0f, 0.0f);
+	percent = 0.0f;
+}
+
+std::string Material::getName() {
+	return name;
+}
+
+
 Model::Model() {
 	
 }
@@ -55,7 +90,21 @@ void Model::addObject(ModelObject c) {
 }
 
 void Model::render() {
-	std::cout << "Render Model " << objects.size() << std::endl;
+// 	std::cout << "Render Model " << objects.size() << std::endl;
 	for(unsigned int i=0; i<objects.size(); i++) 
 		objects[i].render();
 }
+
+void Model::addMaterial(Material m) {
+	materials.push_back(m);
+}
+
+Material Model::findMaterial(std::string name) {
+	for(unsigned int i=0; i<materials.size(); i++) {
+		if(name==materials[i].getName()) {
+			std::cout<<"found!"<<std::endl;
+			return materials[i];
+		}
+	}
+	return Material();
+}
diff --git a/models/model.h b/models/model.h
index fac233b..3840c82 100644
--- a/models/model.h
+++ b/models/model.h
@@ -6,8 +6,28 @@
 #include "../punkt2d.h"
 #include "../punkt3d.h"
 #include "../gltexture.h"
+#include "../glcolor.h"
 // #include "load3ds.h"
 
+
+class Material {
+	friend class Load3ds;
+	friend class ModelObject;
+	private:
+		std::string name;
+		
+		GLColor ambient;
+		GLColor diffuse;
+		GLColor specular;
+		float percent;
+	public:
+		Material();
+		
+		void clear();
+		std::string getName();
+};
+
+
 class ModelObject {
 	friend class Load3ds;
 	private:
@@ -17,9 +37,12 @@ class ModelObject {
 		std::vector<Punkt3D> polygon;
 		void calcNormales();
 		std::string name;
+		
+		Material mat;
 	public:
 		ModelObject();
 		
+		std::string getName();
 		void render();
 		void clear();
 	
@@ -28,13 +51,16 @@ class ModelObject {
 class Model {
 	private:
 		std::vector<ModelObject> objects;
-		
+		std::vector<Material> materials;
 		
 	public:
 		Model();
 		void addObject(ModelObject c);
+		void addMaterial(Material m);
 		void clear();
 		void render();
+		
+		Material findMaterial(std::string name);
 };
 
 #endif