From b0af6f8e14449e8bd49efe94da1041628a549120 Mon Sep 17 00:00:00 2001 From: Stijn Buys Date: Mon, 3 Mar 2008 17:39:02 +0000 Subject: usable models, target_engine --- src/render/model.cc | 280 ++++++++++++++++++++++++++++++---------------------- 1 file changed, 163 insertions(+), 117 deletions(-) (limited to 'src/render/model.cc') 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 @@ -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 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 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::vectorpoints; for (std::vector::iterator face = planes.begin(); face != planes.end(); face++) { make_face((*face), planes); } - + // clean planes for (std::vector::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::iterator fit = model_face.begin(); fit != model_face.end(); fit++) { - delete (*fit); + delete(*fit); } model_face.clear(); - + // delete all engines - for(std::list::iterator eit = model_engine.begin(); eit != model_engine.end(); eit++) { - delete (*eit); + for (std::list::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 & 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 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 & planes } // calculate the x coordinate of each face vertex for (std::vector::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::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 & 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::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::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 & 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 & 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::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 & 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::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::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::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::iterator eit = model_engine.begin(); eit != model_engine.end(); eit++) - { + for (std::list::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::iterator mit = registry.begin(); mit != registry.end(); mit++) { - delete (*mit).second; + delete(*mit).second; } registry.clear(); } +void Model::list() +{ + for (std::map::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; +} } -- cgit v1.2.3