usable models, target_engine

5 files changed, 220 insertions, 143 deletions

diff --git a/src/render/face.cc b/src/render/face.cc
index cd69b4e..764c452 100644
--- a/src/render/face.cc
+++ b/src/render/face.cc
@@ -9,10 +9,15 @@
 
 namespace render {
 
-Face::Face(math::Vector3f const & normal) :
+Face::Face(math::Vector3f const & normal, math::Color const *color) :
 	face_normal(normal)
 {
 	face_normal.normalize();
+	
+	if (color)
+		face_color = new math::Color(*color);
+	else
+		face_color = 0;
 }
 
 Face::~Face()
@@ -22,6 +27,9 @@ Face::~Face()
 	}
 
 	face_vertex.clear();
+	
+	if (face_color)
+		delete face_color;
 }
 
 void Face::add_vertex(math::Vector3f const & vertex)
@@ -33,7 +41,8 @@ void Face::add_vertex(math::Vector3f const & vertex)
 
 void Face::draw()
 {
-	gl::begin(gl::LineLoop);
+	//gl::begin(gl::LineLoop);
+	gl::begin(gl::Polygon);
 	for (std::vector<math::Vector3f *>::iterator it = face_vertex.begin(); it != face_vertex.end(); it++) {
 		gl::vertex(*(*it));
 	}
diff --git a/src/render/face.h b/src/render/face.h
index d44b1d0..a0a4d5a 100644
--- a/src/render/face.h
+++ b/src/render/face.h
@@ -16,12 +16,15 @@ namespace render {
 /// one face (polygon) of a model
 class Face {
 public:
-	Face(math::Vector3f const & normal);
+	Face(math::Vector3f const & normal, math::Color const *color=0);
 	~Face();
 
 	/// the normal of this face
 	inline math::Vector3f const & normal() const { return face_normal; };
 
+	/// the color of this face
+	inline math::Color const *color() const { return face_color; };
+
 	/// add a vertex to the face
 	void add_vertex(math::Vector3f const &vertex);
 
@@ -30,6 +33,7 @@ public:
 
 private:
 	math::Vector3f 			face_normal;
+	math::Color			*face_color;
 	std::vector<math::Vector3f *> 	face_vertex;
 };
 
diff --git a/src/render/model.cc b/src/render/model.cc
index 907958a..70b5f18 100644
--- a/src/render/model.cc
+++ b/src/render/model.cc
@@ -1,7 +1,7 @@
 /*
    render/model.h
-   This file is part of the Osirion project and is distributed under 
-   the terms of the GNU General Public License version 2 
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
 */
 
 #include <iostream>
@@ -23,57 +23,55 @@ const float MAX_BOUNDS = 8192;
 const float delta = 10e-10;
 
 Engine::Engine(math::Vector3f const & location) :
-	engine_location(location)
-{
-}
+		engine_location(location)
+{}
 
 Engine::~Engine()
-{
-}
+{}
 
 std::map<std::string, Model*> Model::registry;
 
 Model::Model(std::string const & name) :
-	model_name(name)
+		model_name(name)
 {
 	model_scale = 1.0f / 1024.0f;
-
+	
 	std::string fn("maps/");
 	fn.append(name);
 	fn.append(".map");
 	filesystem::File *f = filesystem::open(fn.c_str());
-
+	
 	if (!f) {
 		return;
 	}
-
+	
 	fn = f->path();
 	fn.append(f->name());
 	filesystem::close(f);
-
+	
 	std::ifstream ifs(fn.c_str());
 	if (!ifs.is_open()) {
 		con_warn << "Could not stream " << fn << "!\n";
 		return;
 	}
-
+	
 	// --------- the actual reading
 	using math::Vector3f;
 	using math::Plane3f;
-
+	
 	std::vector<Plane3f *> 	planes;
 	unsigned int 		level = 0;
 	char 			data[1024];
-
+	
 	std::string 		class_name;
 	math::Vector3f 		class_origin;
 	float 			class_angle;
-
+	
 	while (ifs) {
 		ifs.getline(data, 1023);
 		std::istringstream linestream(data);
 		std::string firstword;
-
+		
 		if (linestream >> firstword) {
 			if (firstword == "//") {
 				//cout << "   COMMENT!" << std::endl;
@@ -85,24 +83,24 @@ Model::Model(std::string const & name) :
 				//cout << "   LEVEL -" << level << std::endl;
 				if ((level == 2) && (class_name == "worldspawn")) {
 					//cout << "brush with " << planes.size() << " faces" << std::endl;
-
+					
 					// for every face
 					std::vector<Vector3f *>points;
 					for (std::vector<Plane3f *>::iterator face = planes.begin(); face != planes.end(); face++) {
 						make_face((*face), planes);
 					}
-
+					
 					// clean planes
 					for (std::vector<Plane3f *>::iterator it = planes.begin(); it != planes.end(); it++) {
-						delete (*it);
+						delete(*it);
 					}
 					planes.clear();
-
+					
 				} else if ((level == 1) && (class_name == "target_engine")) {
 					//con_debug << "  engine  at " << class_origin << "\n";
 					add_engine(new Engine(class_origin * model_scale));
 				}
-
+				
 				if (level == 1) {
 					class_angle = 0;
 					class_name.clear();
@@ -110,7 +108,7 @@ Model::Model(std::string const & name) :
 				}
 				
 				level--;
-
+				
 			} else if (firstword == "\"classname\"") {
 				class_name.clear();
 				if (linestream >> class_name) {
@@ -128,20 +126,20 @@ Model::Model(std::string const & name) :
 			} else if (firstword == "\"origin\"") {
 				std::string tmp;
 				char c;
-				while ( (linestream.get(c)) && (c != '"'));
-				while ( (linestream.get(c)) && (c != '"'))
+				while ((linestream.get(c)) && (c != '"'));
+				while ((linestream.get(c)) && (c != '"'))
 					tmp += c;
 				std::istringstream is(tmp);
 				is >> class_origin.x;
 				is >> class_origin.y;
 				is >> class_origin.z;
 				//con_debug << "   origin '" << class_origin << "'" << std::endl;
-
+				
 			} else if (firstword == "\"angle\"") {
 				std::string tmp;
 				char c;
-				while ( (linestream.get(c)) && (c != '"'));
-				while ( (linestream.get(c)) && (c != '"'))
+				while ((linestream.get(c)) && (c != '"'));
+				while ((linestream.get(c)) && (c != '"'))
 					tmp += c;
 				std::istringstream is(tmp);
 				is >> class_angle;
@@ -164,22 +162,23 @@ Model::Model(std::string const & name) :
 					linestream >> p3;
 					linestream >> tmp; // )
 					linestream >> texture;
-
+					
 					//cout << data << std::endl;
 					//cout << "(" << p1 << ") (" <<  p2 << ") (" << p3 << ") " << texture << std::endl;
-
+					
 					Plane3f *plane = new Plane3f(p1, p2, p3);
+					plane->texture() = texture;
 					planes.push_back(plane);
 					//cout << "normal " << plane->normal() << std::endl;
 				} else {
 					//cout << "   UNKNOWN line for '" << classname << "' level " << level << std::endl;
 				}
-			} 
+			}
 		}
 	}
-
+	
 	ifs.close();
-
+	
 	con_debug << "  maps/" << name << ".map " << model_face.size() << " polygons\n";
 }
 
@@ -187,13 +186,13 @@ Model::~Model()
 {
 	// delete all faces
 	for (std::list<Face *>::iterator fit = model_face.begin(); fit != model_face.end(); fit++) {
-		delete (*fit);
+		delete(*fit);
 	}
 	model_face.clear();
-
+	
 	// delete all engines
-	for(std::list<Engine *>::iterator eit = model_engine.begin(); eit != model_engine.end(); eit++) {
-		delete (*eit);
+	for (std::list<Engine *>::iterator eit = model_engine.begin(); eit != model_engine.end(); eit++) {
+		delete(*eit);
 	}
 	model_engine.clear();
 }
@@ -202,16 +201,24 @@ void Model::make_face(math::Plane3f *face, std::vector<math::Plane3f *> & planes
 {
 	using math::Vector3f;
 	using math::Plane3f;
-
+	
+	// ignore caulk
+	if (face->texture() == "common/caulk") {
+		return;
+	}
+	
+	// using suggestions from
+	// http://www.flipcode.com/archives/Level_Editing.shtml
+	
 	//cout << "Face with normal " << face->normal() << endl;
 	std::vector<math::Vector3f *> vl;
 	
 	// inital vertexes
-
-        // check if the face is x-axis oriented
-	if ( (fabsf(face->normal().x) >= fabsf(face->normal().y) ) && (fabsf(face->normal().x) >=  fabsf(face->normal().z)) ) {
+	
+	// check if the face is x-axis oriented
+	if ((fabsf(face->normal().x) >= fabsf(face->normal().y)) && (fabsf(face->normal().x) >=  fabsf(face->normal().z))) {
 		//cout << "  x oriented" << std::endl;
-
+		
 		if (face->normal().x >= 0) {
 			vl.push_back(new math::Vector3f(0, -MAX_BOUNDS, -MAX_BOUNDS));
 			vl.push_back(new math::Vector3f(0, -MAX_BOUNDS, MAX_BOUNDS));
@@ -225,38 +232,38 @@ void Model::make_face(math::Plane3f *face, std::vector<math::Plane3f *> & planes
 		}
 		// calculate the x coordinate of each face vertex
 		for (std::vector<Vector3f *>::iterator it = vl.begin(); it != vl.end(); it++) {
-			(*it)->x = ( -face->d() - 
-				face->normal().z * (*it)->z -
-				face->normal().y * (*it)->y ) /
-				face->normal().x;
+			(*it)->x = (-face->d() -
+				    face->normal().z * (*it)->z -
+				    face->normal().y * (*it)->y) /
+				   face->normal().x;
 		}
 	}
-
-        // check if the face is y-axis oriented
-	else if ( (fabsf(face->normal().y) >= fabsf(face->normal().x) ) && (fabsf(face->normal().y) >=  fabsf(face->normal().z)) ) {
+	
+	// check if the face is y-axis oriented
+	else if ((fabsf(face->normal().y) >= fabsf(face->normal().x)) && (fabsf(face->normal().y) >=  fabsf(face->normal().z))) {
 		//cout << "  y oriented" << std::endl;
-
+		
 		if (face->normal().y >= 0) {
-			vl.push_back(new Vector3f(-MAX_BOUNDS, 0, -MAX_BOUNDS));
-			vl.push_back(new Vector3f(-MAX_BOUNDS, 0, MAX_BOUNDS));
-			vl.push_back(new Vector3f(MAX_BOUNDS, 0, MAX_BOUNDS));
-			vl.push_back(new Vector3f(MAX_BOUNDS, 0, -MAX_BOUNDS));
-		} else {
 			vl.push_back(new Vector3f(MAX_BOUNDS, 0, -MAX_BOUNDS));
 			vl.push_back(new Vector3f(MAX_BOUNDS, 0, MAX_BOUNDS));
 			vl.push_back(new Vector3f(-MAX_BOUNDS, 0, MAX_BOUNDS));
 			vl.push_back(new Vector3f(-MAX_BOUNDS, 0, -MAX_BOUNDS));
+		} else {
+			vl.push_back(new Vector3f(-MAX_BOUNDS, 0, -MAX_BOUNDS));
+			vl.push_back(new Vector3f(-MAX_BOUNDS, 0, MAX_BOUNDS));
+			vl.push_back(new Vector3f(MAX_BOUNDS, 0, MAX_BOUNDS));
+			vl.push_back(new Vector3f(MAX_BOUNDS, 0, -MAX_BOUNDS));
 		}
-
+		
 		// calculate the x coordinate of each face vertex
 		for (std::vector<Vector3f *>::iterator it = vl.begin(); it != vl.end(); it++) {
-			(*it)->y = ( -face->d() - 
-				face->normal().z * (*it)->z -
-				face->normal().x * (*it)->x ) /
-				face->normal().y;
+			(*it)->y = (-face->d() -
+				    face->normal().z * (*it)->z -
+				    face->normal().x * (*it)->x) /
+				   face->normal().y;
 		}
 	}
-
+	
 	// face must be z-axis oriented
 	else {
 		//cout << "  z oriented" << std::endl;
@@ -271,42 +278,40 @@ void Model::make_face(math::Plane3f *face, std::vector<math::Plane3f *> & planes
 			vl.push_back(new Vector3f(-MAX_BOUNDS, MAX_BOUNDS, 0));
 			vl.push_back(new Vector3f(-MAX_BOUNDS, -MAX_BOUNDS, 0));
 		}
-
+		
 		// calculate the x coordinate of each face vertex
 		for (std::vector<Vector3f *>::iterator it = vl.begin(); it != vl.end(); it++) {
-			(*it)->z = ( -face->d() - 
-				face->normal().x * (*it)->x -
-				face->normal().y * (*it)->y ) /
-				face->normal().z;
+			(*it)->z = (-face->d() -
+				    face->normal().x * (*it)->x -
+				    face->normal().y * (*it)->y) /
+				   face->normal().z;
 		}
 	}
-
 	
-	// intersect the face with every plane 
+	
+	// intersect the face with every plane
 	for (std::vector<Plane3f *>::iterator pit = planes.begin(); pit != planes.end(); pit++) {
 		Plane3f *plane = (*pit);
 		if (plane == face) {
 			continue;
 		}
-
+		
 		Vector3f fn = crossproduct(face->point(1)-face->point(0), face->point(2)-face->point(0));
 		Vector3f pn = crossproduct(plane->point(1)-plane->point(0), plane->point(2)-plane->point(0));
 		
 		Vector3f t = crossproduct(fn, pn);
-		if ((t.x == 0)  && (t.y == 0) && (t.z == 0) ) {
+		if ((t.x == 0)  && (t.y == 0) && (t.z == 0)) {
 			continue;
 		}
-
+		
 		//cout << "  intersecting with plane with normal " << plane->normal() << std::endl;
-		// using suggestions from
-		// http://www.flipcode.com/archives/Level_Editing.shtml
-
+	
 		// intersect face with plane
 		for (int i=0; vl.size() - i > 0; i++) {
-			
+		
 			Vector3f v(*vl.at(i));
 			
-
+			
 			Vector3f next;
 			if (vl.size() - i > 1) {
 				//cout << " -- at " << i+1 << std::endl;
@@ -314,7 +319,7 @@ void Model::make_face(math::Plane3f *face, std::vector<math::Plane3f *> & planes
 			} else {
 				next = *vl.front();
 			}
-
+			
 			Vector3f prev;
 			if (i > 0) {
 				//cout << " -- at " << i-1 << std::endl;
@@ -322,65 +327,65 @@ void Model::make_face(math::Plane3f *face, std::vector<math::Plane3f *> & planes
 			} else {
 				prev = *vl.back();
 			}
-
+			
 			//cout << " vertex " << i << " prev " << prev << " v " << v << " next " << next << std::endl;
-			if ((v.x*plane->normal().x + v.y*plane->normal().y + v.z*plane->normal().z +plane->d()) < delta ) {
-
+			if ((v.x*plane->normal().x + v.y*plane->normal().y + v.z*plane->normal().z +plane->d()) < delta) {
+			
 				// find current
 				std::vector<Vector3f *>::iterator vit = vl.begin();
 				while ((*vit) != vl.at(i)) {
 					vit++;
 				}
-	
+				
 				// check if prev - v intersects with plane
-				if ((prev.x*plane->normal().x + prev.y*plane->normal().y + prev.z*plane->normal().z + plane->d()) > -delta ) {
-	
+				if ((prev.x*plane->normal().x + prev.y*plane->normal().y + prev.z*plane->normal().z + plane->d()) > -delta) {
+				
 					// calculate intersection
 					float t1 = -plane->normal().x * prev.x - plane->normal().y * prev.y - plane->normal().z * prev.z -plane->d();
-					float t2 = (plane->normal().x * v.x - plane->normal().x * prev.x + 
-						plane->normal().y * v.y - plane->normal().y * prev.y + 
-						plane->normal().z * v.z - plane->normal().z * prev.z);
+					float t2 = (plane->normal().x * v.x - plane->normal().x * prev.x +
+						    plane->normal().y * v.y - plane->normal().y * prev.y +
+						    plane->normal().z * v.z - plane->normal().z * prev.z);
 					//cout << "prev t2 " << t2 << std::endl;
 					Vector3f *s = new Vector3f;
-
+					
 					if (t2 == 0) {
 						*s = v;
 					} else {
 						for (int j = 0; j < 3; j++)
-							(*s)[j] = prev [j] + t1 * ( v[j] - prev[j]) / t2;
+							(*s)[j] = prev [j] + t1 * (v[j] - prev[j]) / t2;
 					}
-
+					
 					//cout << "  added " << *s << std::endl;
 					vit = vl.insert(vit,s);
 					vit++;
 					i++;
 				}
-	
+				
 				// check if next - v intersects with plane
-				if ((next.x*plane->normal().x +  next.y*plane->normal().y + next.z*plane->normal().z + plane->d()) > -delta ) {
+				if ((next.x*plane->normal().x +  next.y*plane->normal().y + next.z*plane->normal().z + plane->d()) > -delta) {
 					// calculate intersection
-
+					
 					// calculate intersection
 					float t1 = -plane->normal().x * v.x - plane->normal().y * v.y - plane->normal().z * v.z -plane->d();
-					float t2 =  (plane->normal().x * next.x - plane->normal().x * v.x + 
-						plane->normal().y * next.y - plane->normal().y * v.y + 
-						plane->normal().z * next.z - plane->normal().z * v.z);
+					float t2 = (plane->normal().x * next.x - plane->normal().x * v.x +
+						    plane->normal().y * next.y - plane->normal().y * v.y +
+						    plane->normal().z * next.z - plane->normal().z * v.z);
 					//cout << "next t2 " << t2 << std::endl;
 					Vector3f *s = new Vector3f;
-
+					
 					if (t2 == 0) {
 						*s = v;
 					} else {
 						for (int j = 0; j < 3; j++)
-							(*s)[j] = v [j] + t1 * ( next[j] - v[j]) / t2;
+							(*s)[j] = v [j] + t1 * (next[j] - v[j]) / t2;
 					}
-
+					
 					//cout << "  added " << *s << std::endl;
 					vit = vl.insert(vit,s);
 					vit++;
 					i++;
 				}
-
+				
 				// erase
 				delete *vit;
 				vl.erase(vit);
@@ -391,26 +396,45 @@ void Model::make_face(math::Plane3f *face, std::vector<math::Plane3f *> & planes
 	}
 	
 	if (vl.size() > 2) {
+	
+		math::Color *color = 0;
+		if (face->texture() == "colors/white") {
+			color = new math::Color(1, 1, 1);
+		} else if (face->texture() == "colors/grey90") {
+			color = new math::Color(0.9, 0.9, 0.9);
+		} else if (face->texture() == "colors/grey75") {
+			color = new math::Color(0.75, 0.75, 0.75);
+		} else if (face->texture() == "colors/grey50") {
+			color = new math::Color(0.5, 0.5, 0.5);
+		} else if (face->texture() == "colors/grey25") {
+			color = new math::Color(0.25, 0.25, 0.25);
+		} else if (face->texture() == "colors/black") {
+			color = new math::Color(0, 0, 0);
+		} else if (face->texture() == "common/entity") {
+			color = 0;
+		}
+		
 		Vector3f n = face->normal();
 		n.normalize();
-		Face *mf = new Face(n);
+		Face *mf = new Face(n, color);
+		if (color) delete color;
 		
 		for (std::vector<Vector3f *>::iterator it = vl.begin(); it != vl.end(); it++) {
 			mf->add_vertex(*(*it) * model_scale);
 		}
-
+		
 		//con_debug << "adding face\n";
 		add_face(mf);
 	} else {
 		con_debug << "Unresolved face!\n";
 	}
-
+	
 	for (std::vector<Vector3f *>::iterator it = vl.begin(); it != vl.end(); it++) {
-			delete (*it);
+		delete(*it);
 	}
-
+	
 	vl.clear();
-
+	
 }
 
 void Model::add_face(Face *face)
@@ -423,31 +447,46 @@ void Model::add_engine(Engine *engine)
 	model_engine.push_back(engine);
 }
 
-void Model::draw(core::Entity const * entity)
+void Model::draw(core::Entity const * entity, math::Vector3f const & eye)
 {
 	//gl::scale(model_scale, model_scale, model_scale);
-	render::gl::color(entity->color());	
-
+	
+	// calculate a normal from eye to entity location
+	math::Vector3f n = entity->location() - eye;
+	n.normalize();
+	
 	// draw all faces
 	for (std::list<Face *>::iterator fit = model_face.begin(); fit != model_face.end(); fit++) {
+		// poor man's lighting
+		// set the face color depending on the viewing direction
+		float d = fabsf(math::dotproduct(n, (*fit)->normal()));
+		
+		if (d > 1)
+			d = 1;
+		d = 0.5f + d/2;
+			
+		if ((*fit)->color()) {
+			render::gl::color(*(*fit)->color() * d);
+		} else {
+			render::gl::color(entity->color() * d);
+		}
 		(*fit)->draw();
 	}
 }
 
-void Model::draw(core::EntityControlable const * entity)
+void Model::draw(core::EntityControlable const * entity, math::Vector3f const & eye)
 {
 	// draw the model
-	draw((core::Entity *) entity);
-
+	draw((core::Entity *) entity, eye);
+	
 	// draw engines
 	// all engines are assumed to point to the rear
-	if(model_engine.size() && entity->thrust()) {
-		
-		gl::color(1.0f,0 ,0 );
+	if (model_engine.size() && entity->thrust()) {
+	
+		gl::color(1.0f,0 ,0);
 		gl::begin(gl::Lines);
 		
-		for(std::list<Engine *>::iterator eit = model_engine.begin(); eit != model_engine.end(); eit++)
-		{
+		for (std::list<Engine *>::iterator eit = model_engine.begin(); eit != model_engine.end(); eit++) {
 			math::Vector3f const & v = (*eit)->location();
 			gl::vertex(v);
 			gl::vertex(v.x - 0.0625f*entity->thrust(), v.y, v.z);
@@ -479,9 +518,16 @@ void Model::clear()
 {
 	// delete all models in the registry
 	for (std::map<std::string, Model*>::iterator mit = registry.begin(); mit != registry.end(); mit++) {
-		delete (*mit).second;
+		delete(*mit).second;
 	}
 	registry.clear();
 }
 
+void Model::list()
+{
+	for (std::map<std::string, Model*>::iterator mit = registry.begin(); mit != registry.end(); mit++) {
+		con_print << "  " << (*mit).second->model_name << " " << (*mit).second->model_face.size() << " polys\n";
+	}
+	con_print << registry.size() << " registered models" << std::endl;
+}
 }
diff --git a/src/render/model.h b/src/render/model.h
index dfde809..eca896b 100644
--- a/src/render/model.h
+++ b/src/render/model.h
@@ -1,7 +1,7 @@
 /*
    render/model.h
-   This file is part of the Osirion project and is distributed under 
-   the terms of the GNU General Public License version 2 
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
 */
 
 #ifndef __INCLUDED_RENDER_MODEL_H__
@@ -14,7 +14,8 @@
 #include "core/entity.h"
 #include "render/face.h"
 
-namespace render {
+namespace render
+{
 
 /// a spacecraft engine
 class Engine
@@ -22,9 +23,12 @@ class Engine
 public:
 	Engine(math::Vector3f const & location);
 	~Engine();
-
-	inline math::Vector3f const & location() const { return engine_location; }
-
+	
+	inline math::Vector3f const & location() const
+	{
+		return engine_location;
+	}
+	
 private:
 	math::Vector3f		engine_location;
 };
@@ -36,45 +40,51 @@ public:
 	/// load a model from disk
 	Model(std::string const & name);
 	~Model();
-
+	
 	/// the name of the model
-	inline std::string const & name() const { return model_name; }
-
+	inline std::string const & name() const
+	{
+		return model_name;
+	}
+	
 	/// the Model registry
 	static std::map<std::string, Model*> registry;
-
+	
 	/// draw the model for an entity
 	/** This will not draw attached engines, turrents and cannons
 	 */
-	void draw(core::Entity const * entity);
-
+	void draw(core::Entity const * entity, math::Vector3f const & eye);
+	
 	/// draw the model for a controlable enity
 	/** This will draw all attached engines, turrents and cannons
 	 */
-	void draw(core::EntityControlable const * entity);
-
-/* ---- static functions for the Model registry -------------------- */
-
+	void draw(core::EntityControlable const * entity, math::Vector3f const & eye);
+	
+	/* ---- static functions for the Model registry -------------------- */
+	
 	/// get name model, returns 0 if not found
 	static Model *find(std::string const & name);
-
+	
 	/// get named model from the registry and load it if necessary
 	static Model *get(std::string const & name);
-
-	/// clear the Model registry
+	
+	/// clear the model registry
 	static void clear();
-
+	
+	/// list the content of the model registry
+	static void list();
+	
 private:
 	void make_face(math::Plane3f *face, std::vector<math::Plane3f *> & planes);
 	void add_engine(Engine *engine);
 	void add_face(Face *face);
-
+	
 	std::list<Face *>	model_face;
 	std::list<Engine *>	model_engine;
 	std::string		model_name;
-
+	
 	float			model_scale;
-
+	
 };
 
 }
diff --git a/src/render/render.cc b/src/render/render.cc
index 87f7424..a1a66f9 100644
--- a/src/render/render.cc
+++ b/src/render/render.cc
@@ -14,6 +14,12 @@ namespace render {
 
 GLuint textures[32];
 
+void func_list_model(std::string const &args)
+{
+	Model::list();
+}
+
+
 void init() 
 {
 	con_print << "Initializing renderer..." << std::endl;
@@ -34,6 +40,7 @@ void init()
 	}
 
 	Model::clear();
+	core::Func::add("list_model", (core::FuncPtr) func_list_model);
 }
 
 void shutdown()
@@ -41,6 +48,7 @@ void shutdown()
 	con_print << "Shutting down renderer..." << std::endl;
 
 	Model::clear();
+	core::Func::remove("list_model");
 }
 
 }