added getPolygonData + fixed some consts

model/model.cpp

@@ -18,7 +18,7 @@ void Meshpoint::set(Punkt3D v, Punkt2D vt) {
 // 	normal = n;
 }
 
-void Meshpoint::use() {
+void Meshpoint::use() const {
 	glTexCoordP2D(texcoord);
 // 	glNormalP3D(normal);
 	glVertexP3D(vertex);
@@ -44,7 +44,7 @@ void Material::set(std::string _name, Color _a, Color _d, Color _s) {
 	specular = _s;
 }
 
-void Material::use() {
+void Material::use() const {
 	glColorGLC(diffuse);
 }
 
@@ -55,7 +55,7 @@ Polygonpoint::Polygonpoint() {
 	normal = 0;
 }
 
-void Polygonpoint::use() {
+void Polygonpoint::use() const {
 	if(normal)
 		glNormalP3D(*normal);
 	if(tex)
@@ -80,7 +80,7 @@ void Meshpolygon::set(Meshpoint *_a, Meshpoint *_b, Meshpoint *_c) {
 	c = _c;	
 }
 
-void Meshpolygon::render(GLenum mode) {
+void Meshpolygon::render(GLenum mode) const {
 // 	if(!a || !b || !c)
 // 		return;
 	
@@ -113,7 +113,7 @@ Model::Model() {
 	backupmat.diffuse.set(1.0f, 1.0f, 1.0f);
 }
 
-bool Model::isLoaded() {
+bool Model::isLoaded() const {
 	return loaded;
 }
 
@@ -137,7 +137,7 @@ void Model::unload() {
 	loaded = false;
 }
 
-void Model::render() {
+void Model::render() const {
 	if(!loaded) {
 // 		std::cout << "Model not loaded" << std::endl;
 		return;
@@ -157,8 +157,15 @@ Model::~Model() {
 }
 
 const Punkt3D* Model::getMeshData(unsigned int *meshanz) const {
-	*meshanz = meshdataanz;
+	if(meshanz != 0)
+		*meshanz = meshdataanz;
 	return (const Punkt3D*)meshdata;
 }
 
+const Meshpolygon* Model::getPolygonData(unsigned int *polyanz) const {
+	if(polyanz != 0)
+		*polyanz = polydataanz;
+	return (const Meshpolygon*)polydata;
+}
+
 } // namespace segl

model/model.h

@@ -15,7 +15,7 @@ class Meshpoint {
 		Meshpoint();
 		Meshpoint(Punkt3D v, Punkt2D vt);
 		void set(Punkt3D v, Punkt2D vt);
-		void use();
+		void use() const;
 		
 		Punkt3D vertex;
 		Punkt2D texcoord;
@@ -26,7 +26,7 @@ class Material {
 		Material();
 		Material(std::string _name, Color _a, Color _d, Color _s);
 		void set(std::string _name, Color _a, Color _d, Color _s);
-		void use();
+		void use() const;
 		
 		std::string name;
 		Color ambient, diffuse, specular;
@@ -35,7 +35,7 @@ class Material {
 class Polygonpoint {
 	public:
 		Polygonpoint();
-		void use();
+		void use() const;
 		Punkt3D *point;
 		Punkt2D *tex;
 		Punkt3D *normal;
@@ -46,7 +46,7 @@ class Meshpolygon {
 		Meshpolygon();
 		Meshpolygon(Meshpoint *a, Meshpoint *b, Meshpoint *c);
 		void set(Meshpoint *a, Meshpoint *b, Meshpoint *c);
-		void render(GLenum mode=GL_TRIANGLES);
+		void render(GLenum mode=GL_TRIANGLES) const;
 		
 		Polygonpoint m1, m2, m3;
 		Meshpoint *a, *b, *c;
@@ -80,14 +80,15 @@ class Model {
 	public:
 		Model();
 		~Model();
-		bool isLoaded();
+		bool isLoaded() const;
 		void unload();
-		void render();
+		void render() const;
 		
 		Quader getBoundingBox() const { return boundingbox; }
 		float getBoundingRad() const { return boundingrad; }
 		
 		const Punkt3D* getMeshData(unsigned int *meshanz) const;
+		const Meshpolygon* getPolygonData(unsigned int *polyanz) const;
 };
 
 } // namespace segl