diff options
| author | Stijn Buys <ingar@osirion.org> | 2008-03-06 21:49:54 +0000 | 
|---|---|---|
| committer | Stijn Buys <ingar@osirion.org> | 2008-03-06 21:49:54 +0000 | 
| commit | d1b9fa9ebb493674c95983fe690bffb730b1ece2 (patch) | |
| tree | 1de0975318cb41835f87c0a27f76e5f7c60ca7b7 /src/render | |
| parent | c3d56342784bd97cce666f24539db31cbd5506d9 (diff) | |
moving model to core
Diffstat (limited to 'src/render')
| -rw-r--r-- | src/render/model.cc | 531 | ||||
| -rw-r--r-- | src/render/model.h | 93 | 
2 files changed, 0 insertions, 624 deletions
diff --git a/src/render/model.cc b/src/render/model.cc deleted file mode 100644 index ae34270..0000000 --- a/src/render/model.cc +++ /dev/null @@ -1,531 +0,0 @@ -/* -   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 -*/ - -#include <iostream> -#include <string> -#include <fstream> -#include <iomanip> -#include <sstream> -#include <vector> -#include <list> - -#include "render/model.h" -#include "render/gl.h" -#include "filesystem/filesystem.h" - -namespace render -{ - -const float MAX_BOUNDS = 8192; -const float delta = 10e-10; - -Engine::Engine(math::Vector3f const & location) : -		engine_location(location) -{} - -Engine::~Engine() -{} - -std::map<std::string, Model*> Model::registry; - -Model::Model(std::string const & 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; -				continue; -			} else if (firstword == "{") { -				level ++; -				//cout << "   LEVEL +" << level << std::endl; -			} else if (firstword == "}") { -				//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); -					} -					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(); -					class_origin = Vector3f(0,0,0); -				} -				 -				level--; -				 -			} else if (firstword == "\"classname\"") { -				class_name.clear(); -				if (linestream >> class_name) { -					if (class_name.size() > 2) { -						class_name.erase(0,1); -						class_name.erase(class_name.size()-1, 1); -						//linestream >> class_name; -						//con_debug << "   classname '" << class_name << "'" << std::endl; -					} else { -						class_name.clear(); -					} -				} else { -					//cout << "   EMPTY CLASS" << std::endl; -				} -			} else if (firstword == "\"origin\"") { -				std::string tmp; -				char 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 != '"')) -					tmp += c; -				std::istringstream is(tmp); -				is >> class_angle; -				//con_debug << "   angle '" << class_angle << "'" << std::endl; -			} else if (firstword == "(") { -				if ((level == 2) && (class_name == "worldspawn")) { -					//cout << "   BRUSH PLANE" << std::endl; -					Vector3f p1; -					Vector3f p2; -					Vector3f p3; -					std::string tmp; -					std::string texture; -					 -					linestream >> p1; -					linestream >> tmp; // ) -					linestream >> tmp; // ( -					linestream >> p2; -					linestream >> tmp; // ) -					linestream >> tmp; // ( -					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"; -} - -Model::~Model() -{ -	// delete all faces -	for (std::list<Face *>::iterator fit = model_face.begin(); fit != model_face.end(); 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); -	} -	model_engine.clear(); -} - -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))) { -		//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)); -			vl.push_back(new math::Vector3f(0, MAX_BOUNDS, MAX_BOUNDS)); -			vl.push_back(new math::Vector3f(0, MAX_BOUNDS, -MAX_BOUNDS)); -		} else { -			vl.push_back(new math::Vector3f(0, MAX_BOUNDS, -MAX_BOUNDS)); -			vl.push_back(new math::Vector3f(0, MAX_BOUNDS, MAX_BOUNDS)); -			vl.push_back(new math::Vector3f(0, -MAX_BOUNDS, MAX_BOUNDS)); -			vl.push_back(new math::Vector3f(0, -MAX_BOUNDS, -MAX_BOUNDS)); -		} -		// 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; -		} -	} -	 -	// 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)); -		} -		 -		// 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; -		} -	} -	 -	// face must be z-axis oriented -	else { -		//cout << "  z oriented" << std::endl; -		if (face->normal().z >= 0) { -			vl.push_back(new Vector3f(-MAX_BOUNDS, -MAX_BOUNDS, 0)); -			vl.push_back(new Vector3f(-MAX_BOUNDS, MAX_BOUNDS, 0)); -			vl.push_back(new Vector3f(MAX_BOUNDS, MAX_BOUNDS, 0)); -			vl.push_back(new Vector3f(MAX_BOUNDS, -MAX_BOUNDS, 0)); -		} else { -			vl.push_back(new Vector3f(MAX_BOUNDS, -MAX_BOUNDS, 0)); -			vl.push_back(new Vector3f(MAX_BOUNDS, MAX_BOUNDS, 0)); -			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; -		} -	} -	 -	 -	// 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)) { -			continue; -		} -		 -		//cout << "  intersecting with plane with normal " << plane->normal() << std::endl; -	 -		// 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; -				next = *vl.at(i+1); -			} else { -				next = *vl.front(); -			} -			 -			Vector3f prev; -			if (i > 0) { -				//cout << " -- at " << i-1 << std::endl; -				prev = *vl.at(i-1); -			} 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) { -			 -				// 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) { -				 -					// 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); -					//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; -					} -					 -					//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) { -					// 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); -					//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; -					} -					 -					//cout << "  added " << *s << std::endl; -					vit = vl.insert(vit,s); -					vit++; -					i++; -				} -				 -				// erase -				delete *vit; -				vl.erase(vit); -				i--; -			} -			 -		} -	} -	 -	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; -		} else -			color = new math::Color(1.0f, 0.0, 1.0f); -		 -		Face *mf = new Face(face->normal()*-1, 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); -	} -	 -	vl.clear(); -	 -} - -void Model::add_face(Face *face) -{ -	model_face.push_back(face); -} - -void Model::add_engine(Engine *engine) -{ -	model_engine.push_back(engine); -} - -void Model::draw(core::Entity const * entity, math::Vector3f const & eye) -{ -	//gl::scale(model_scale, model_scale, model_scale); -	 -	// 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()); -		} else { -			render::gl::color(entity->color()); -		} -		(*fit)->draw(); -	} -} - -void Model::draw(core::EntityControlable const * entity, math::Vector3f const & eye) -{ -	// draw the model -	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); -		gl::begin(gl::Lines); -		 -		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); -		} -		gl::end(); -	} -} - -Model *Model::find(std::string const & name) -{ -	std::map<std::string, Model*>::iterator it = registry.find(name); -	if (it == registry.end()) -		return 0; -	else -		return (*it).second; -} - -Model *Model::get(std::string const & name) -{ -	Model *model = find(name); -	if (!model) { -		model = new Model(name); -		registry[model->name()] = model; -	} -	return model; -} - -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; -	} -	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 deleted file mode 100644 index eca896b..0000000 --- a/src/render/model.h +++ /dev/null @@ -1,93 +0,0 @@ -/* -   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 -*/ - -#ifndef __INCLUDED_RENDER_MODEL_H__ -#define __INCLUDED_RENDER_MODEL_H__ - -#include <map> -#include <list> - -#include "math/plane3f.h" -#include "core/entity.h" -#include "render/face.h" - -namespace render -{ - -/// a spacecraft engine -class Engine -{ -public: -	Engine(math::Vector3f const & location); -	~Engine(); -	 -	inline math::Vector3f const & location() const -	{ -		return engine_location; -	} -	 -private: -	math::Vector3f		engine_location; -}; - -/// a 3D model contains a list of faces -class Model -{ -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; -	} -	 -	/// 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, 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, 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 -	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; -	 -}; - -} - -#endif // __INCLUDED_RENDER_MODEL_H__ -  | 
