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Added everything... -.-

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This commit is contained in:
Matthias Schiffer 2009-12-14 13:54:34 +01:00
parent da66d49b8a
commit ff7b7c8838
37 changed files with 1196 additions and 136 deletions
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83
BSPTree.cpp
View file

@ -1,5 +1,23 @@
#include "BSPTree.h"
/*
* BSPTree.cpp
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "BSPTree.h"
namespace Zoom {
@ -9,20 +27,20 @@ vmml::vec3f BSPTree::Plane::intersection(const vmml::vec3f &p, const vmml::vec3f
return p + r*dir;
}
void BSPTree::Plane::partition(const Triangle &t, std::list<Triangle> *front, std::list<Triangle> *back) const {
void BSPTree::Plane::partition(const TriangleRecord &t, std::list<TriangleRecord> *front, std::list<TriangleRecord> *back) const {
for(int i = 0; i < 3; ++i) {
if(contains(t.getVertex(i))) {
const vmml::vec3f *v[3] = {&t.getVertex(i), &t.getVertex((i+1)%3), &t.getVertex((i+2)%3)};
if(contains(t.triangle.getVertex(i))) {
const vmml::vec3f *v[3] = {&t.triangle.getVertex(i), &t.triangle.getVertex((i+1)%3), &t.triangle.getVertex((i+2)%3)};
vmml::vec3f is = intersection(*v[1], *v[2]-*v[1]);
if(isInFront(*v[1])) {
front->push_back(Triangle(*v[0], *v[1], is, t.getColor()));
back->push_back(Triangle(*v[0], is, *v[2], t.getColor()));
front->push_back(TriangleRecord(Triangle(*v[0], *v[1], is, t.triangle.getColor()), t.data));
back->push_back(TriangleRecord(Triangle(*v[0], is, *v[2], t.triangle.getColor()), t.data));
}
else {
back->push_back(Triangle(*v[0], *v[1], is, t.getColor()));
front->push_back(Triangle(*v[0], is, *v[2], t.getColor()));
back->push_back(TriangleRecord(Triangle(*v[0], *v[1], is, t.triangle.getColor()), t.data));
front->push_back(TriangleRecord(Triangle(*v[0], is, *v[2], t.triangle.getColor()), t.data));
}
return;
@ -30,7 +48,7 @@ void BSPTree::Plane::partition(const Triangle &t, std::list<Triangle> *front, st
}
for(int i = 0; i < 3; ++i) {
const vmml::vec3f *v[3] = {&t.getVertex(i), &t.getVertex((i+1)%3), &t.getVertex((i+2)%3)};
const vmml::vec3f *v[3] = {&t.triangle.getVertex(i), &t.triangle.getVertex((i+1)%3), &t.triangle.getVertex((i+2)%3)};
if((isInFront(*v[0]) && isBehind(*v[1]) && isBehind(*v[2]))
|| (isBehind(*v[0]) && isInFront(*v[1]) && isInFront(*v[2]))) {
@ -38,14 +56,14 @@ void BSPTree::Plane::partition(const Triangle &t, std::list<Triangle> *front, st
vmml::vec3f is2 = intersection(*v[0], *v[2]-*v[0]);
if(isInFront(*v[0])) {
front->push_back(Triangle(*v[0], is1, is2, t.getColor()));
back->push_back(Triangle(is1, *v[1], is2, t.getColor()));
back->push_back(Triangle(*v[1], *v[2], is2, t.getColor()));
front->push_back(TriangleRecord(Triangle(*v[0], is1, is2, t.triangle.getColor()), t.data));
back->push_back(TriangleRecord(Triangle(is1, *v[1], is2, t.triangle.getColor()), t.data));
back->push_back(TriangleRecord(Triangle(*v[1], *v[2], is2, t.triangle.getColor()), t.data));
}
else {
back->push_back(Triangle(*v[0], is1, is2, t.getColor()));
front->push_back(Triangle(is1, *v[1], is2, t.getColor()));
front->push_back(Triangle(*v[1], *v[2], is2, t.getColor()));
back->push_back(TriangleRecord(Triangle(*v[0], is1, is2, t.triangle.getColor()), t.data));
front->push_back(TriangleRecord(Triangle(is1, *v[1], is2, t.triangle.getColor()), t.data));
front->push_back(TriangleRecord(Triangle(*v[1], *v[2], is2, t.triangle.getColor()), t.data));
}
return;
@ -54,7 +72,7 @@ void BSPTree::Plane::partition(const Triangle &t, std::list<Triangle> *front, st
}
BSPTree::BSPTree(const std::list<Triangle> &triangles) : frontTree(0), backTree(0) {
BSPTree::BSPTree(const std::list<TriangleRecord> &triangles) : frontTree(0), backTree(0) {
const Triangle *planeT = findNearestTriangle(triangles, findCenter(triangles));
if(!planeT)
@ -62,29 +80,26 @@ BSPTree::BSPTree(const std::list<Triangle> &triangles) : frontTree(0), backTree(
plane = Plane(*planeT);
std::list<Triangle> front, back;
std::list<TriangleRecord> front, back;
for(std::list<Triangle>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
if(t->getNormal().squared_length() == 0)
for(std::list<TriangleRecord>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
if(t->triangle.isDegenerate())
continue;
if(plane.contains(*t)) {
if(plane.contains(t->triangle)) {
this->triangles.push_back(*t);
continue;
}
else if(plane.isInFront(*t)) {
else if(plane.isInFront(t->triangle)) {
front.push_back(*t);
continue;
}
else if(plane.isBehind(*t)) {
else if(plane.isBehind(t->triangle)) {
back.push_back(*t);
continue;
}
std::list<Triangle> frontPart, backPart;
plane.partition(*t, &frontPart, &backPart);
front.splice(front.end(), frontPart);
back.splice(back.end(), backPart);
plane.partition(*t, &front, &back);
}
if(!front.empty())
@ -117,28 +132,28 @@ BSPTree& BSPTree::operator=(const BSPTree &tree) {
return *this;
}
vmml::vec3f BSPTree::findCenter(const std::list<Triangle> &triangles) {
vmml::vec3f BSPTree::findCenter(const std::list<TriangleRecord> &triangles) {
vmml::vec3f v;
for(std::list<Triangle>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
v += t->getCenter();
for(std::list<TriangleRecord>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
v += t->triangle.getCenter();
}
return v/triangles.size();
}
const Triangle* BSPTree::findNearestTriangle(const std::list<Triangle> &triangles, const vmml::vec3f &v) {
const Triangle* BSPTree::findNearestTriangle(const std::list<TriangleRecord> &triangles, const vmml::vec3f &v) {
const Triangle *current = 0;
float distanceSq;
for(std::list<Triangle>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
if(t->getNormal().squared_length() == 0)
for(std::list<TriangleRecord>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
if(t->triangle.isDegenerate())
continue;
float d = t->getCenter().squared_distance(v);
float d = t->triangle.getCenter().squared_distance(v);
if(!current || d < distanceSq) {
current = &*t;
current = &t->triangle;
distanceSq = d;
}
}

93
BSPTree.h
View file

@ -1,20 +1,61 @@
/*
* BSPTree.h
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZOOM_BSPTREE_H_
#define ZOOM_BSPTREE_H_
#include "Triangle.h"
#include <list>
#include <cmath>
#include <vmmlib/vector.hpp>
#include <boost/shared_ptr.hpp>
namespace Zoom {
class BSPTree {
public:
class TriangleData {
protected:
TriangleData() {}
public:
virtual ~TriangleData() {}
};
struct TriangleRecord {
public:
TriangleRecord(Triangle triangle0, boost::shared_ptr<TriangleData> data0)
: triangle(triangle0), data(data0) {}
TriangleRecord(Triangle triangle0) : triangle(triangle0) {}
TriangleRecord() {}
Triangle triangle;
boost::shared_ptr<TriangleData> data;
};
private:
class Plane {
public:
Plane() : d(0) {}
Plane(const vmml::vec3f &n, float d0) : normal(n), d(d0) {}
Plane(const Triangle &t) : normal(t.getNormal()), d(t.getVertex(0).dot(normal)) {}
Plane(const Triangle &t) : normal(t.computeNormal()), d(t.getVertex(0).dot(normal)) {}
bool contains(const vmml::vec3f &v) const {
return (fabsf(normal.dot(v) - d) < 1E-6);
@ -62,7 +103,7 @@ class BSPTree {
}
vmml::vec3f intersection(const vmml::vec3f &p, const vmml::vec3f &dir) const;
void partition(const Triangle &t, std::list<Triangle> *front, std::list<Triangle> *back) const;
void partition(const TriangleRecord &t, std::list<TriangleRecord> *front, std::list<TriangleRecord> *back) const;
private:
vmml::vec3f normal;
@ -70,7 +111,7 @@ class BSPTree {
};
public:
BSPTree(const std::list<Triangle> &triangles);
BSPTree(const std::list<TriangleRecord> &triangles);
BSPTree(const BSPTree &tree) : frontTree(0), backTree(0) {
*this = tree;
@ -86,16 +127,6 @@ class BSPTree {
BSPTree& operator=(const BSPTree &tree);
template<typename T>
void visit(const T& visitor, const vmml::vec3f &p) {
doVisit<const T>(visitor, p);
}
template<typename T>
void visit(T& visitor, const vmml::vec3f &p) {
doVisit(visitor, p);
}
template<typename T>
void visit(const T& visitor, const vmml::vec3f &p) const {
doVisit<const T>(visitor, p);
@ -108,42 +139,16 @@ class BSPTree {
private:
Plane plane;
std::list<Triangle> triangles;
std::list<TriangleRecord> triangles;
BSPTree *frontTree, *backTree;
template<typename T>
void doVisit(T& visitor, const vmml::vec3f &p) {
if(plane.isBehind(p)) {
if(frontTree)
frontTree->visit(visitor, p);
for(std::list<Triangle>::iterator t = triangles.begin(); t != triangles.end(); ++t) {
visitor(*t);
}
if(backTree)
backTree->visit(visitor, p);
}
else {
if(backTree)
backTree->visit(visitor, p);
for(std::list<Triangle>::iterator t = triangles.begin(); t != triangles.end(); ++t) {
visitor(*t);
}
if(frontTree)
frontTree->visit(visitor, p);
}
}
template<typename T>
void doVisit(T& visitor, const vmml::vec3f &p) const {
if(plane.isBehind(p)) {
if(frontTree)
frontTree->visit(visitor, p);
for(std::list<Triangle>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
for(std::list<TriangleRecord>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
visitor(*t);
}
@ -154,7 +159,7 @@ class BSPTree {
if(backTree)
backTree->visit(visitor, p);
for(std::list<Triangle>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
for(std::list<TriangleRecord>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
visitor(*t);
}
@ -163,8 +168,8 @@ class BSPTree {
}
}
static vmml::vec3f findCenter(const std::list<Triangle> &triangles);
static const Triangle* findNearestTriangle(const std::list<Triangle> &triangles, const vmml::vec3f &v);
static vmml::vec3f findCenter(const std::list<TriangleRecord> &triangles);
static const Triangle* findNearestTriangle(const std::list<TriangleRecord> &triangles, const vmml::vec3f &v);
};
}

13
CMakeLists.txt
View file

@ -1,18 +1,25 @@
cmake_minimum_required(VERSION 2.6)
project(ZOOM)
find_package(OpenGL REQUIRED)
set(CMAKE_MODULE_PATH ${ZOOM_SOURCE_DIR})
include_directories(${OPENGL_INCLUDE_DIR})
find_package(Boost REQUIRED)
find_package(OpenGL REQUIRED)
find_package(GLPng REQUIRED)
find_package(LibXml2 REQUIRED)
include_directories(${Boost_INCLUDE_DIR} ${OPENGL_INCLUDE_DIR} ${GLPNG_INCLUDE_DIR} ${LIBXML2_INCLUDE_DIR})
add_executable(zoom
BSPTree.cpp BSPTree.h
Game.cpp Game.h
config.h
gl.h
Level.cpp Level.h
Renderer.cpp Renderer.h
Texture.cpp Texture.h
Triangle.h
zoom.cpp
)
target_link_libraries(zoom ${OPENGL_LIBRARIES})
target_link_libraries(zoom ${Boost_LIBRARIES} ${OPENGL_LIBRARIES} ${GLPNG_LIBRARY} ${LIBXML2_LIBRARIES})

16
FindGLPng.cmake Normal file
View file

@ -0,0 +1,16 @@
FIND_PATH(GLPNG_INCLUDE_DIR GL/glpng.h)
FIND_LIBRARY(GLPNG_LIBRARY NAMES glpng)
IF (GLPNG_INCLUDE_DIR AND GLPNG_LIBRARY)
SET(GLPNG_FOUND TRUE)
ENDIF (GLPNG_INCLUDE_DIR AND GLPNG_LIBRARY)
IF (GLPNG_FOUND)
IF (NOT GLPng_FIND_QUIETLY)
MESSAGE(STATUS "Found glpng: ${GLPNG_LIBRARY}")
ENDIF (NOT GLPng_FIND_QUIETLY)
ELSE (GLPNG_FOUND)
IF (GLPng_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find glpng")
ENDIF (GLPng_FIND_REQUIRED)
ENDIF (GLPNG_FOUND)

47
Game.cpp
View file

@ -19,6 +19,7 @@
#include "Game.h"
#include "BSPTree.h"
#include "Level.h"
#include "Triangle.h"
#include "gl.h"
@ -26,8 +27,9 @@ namespace Zoom {
Game::Game(bool multisample) : angle(0) {
glClearColor(0.0, 0.0, 0.0, 1.0);
//glEnable(GL_DEPTH_TEST);
//glDepthFunc(GL_LEQUAL);
glClearDepth(1.0);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
//glEnable(GL_BLEND);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@ -37,43 +39,52 @@ Game::Game(bool multisample) : angle(0) {
glEnable(GL_MULTISAMPLE_ARB);
#endif
/*glEnable(GL_LIGHTING);
static const float light[] = {1, 1, 1, 0};
glShadeModel(GL_SMOOTH);
glEnable(GL_LIGHTING);
static const float light[] = {0, 0, 0, 1};
static const float lightColor[] = {1, 1, 1, 1};
glLightfv(GL_LIGHT0, GL_POSITION, light);
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);
glEnable(GL_LIGHT0);*/
glEnable(GL_LIGHT0);
//glEnable(GL_CULL_FACE);
//glFrontFace(GL_CCW);
glEnable(GL_COLOR_MATERIAL);
glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
glEnable(GL_CULL_FACE);
glFrontFace(GL_CCW);
glLoadIdentity();
glTranslatef(0, 0, -5);
loadLevel("level.xml");
}
bool Game::loadLevel(const std::string &name) {
level = Level::loadLevel(name);
return level;
}
void Game::run(int delta) {
angle += delta*0.2;
angle += delta*0.01;
if(angle >= 360)
angle -= 360;
}
void Game::render() {
std::list<Triangle> triangles;
std::list<BSPTree::TriangleRecord> triangles;
triangles.push_back(Triangle(vmml::vec3f(-1, -1, 0), vmml::vec3f(1, -1, 0), vmml::vec3f(1, 1, 0), vmml::vec3f(0, 1, 0)));
triangles.push_back(Triangle(vmml::vec3f(-1, -1, 0), vmml::vec3f(-1, 1, 0), vmml::vec3f(1, 1, 0), vmml::vec3f(0, 1, 0)));
triangles.push_back(Triangle(vmml::vec3f(-1, -1, -1), vmml::vec3f(1, -1, -1), vmml::vec3f(1, 1, -1), vmml::vec3f(0, 0, 1)));
triangles.push_back(Triangle(vmml::vec3f(-1, -1, -1), vmml::vec3f(-1, 1, -1), vmml::vec3f(1, 1, -1), vmml::vec3f(0, 0, 1)));
triangles.insert(triangles.end(), level->getRooms().front().walls.begin(), level->getRooms().front().walls.end());
BSPTree tree(triangles);
glClear(GL_COLOR_BUFFER_BIT);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(angle, 1, 2, 1);
//glRotatef(3*angle, 0, -1, 2);
//glRotatef(5*angle, 2, -1, 0);
renderer.render(tree);
renderer.render(triangles);
glPopMatrix();
}

6
Game.h
View file

@ -21,20 +21,26 @@
#define ZOOM_GAME_H_
#include "Renderer.h"
#include <boost/shared_ptr.hpp>
#include <string>
namespace Zoom {
class Level;
class Triangle;
class Game {
public:
Game(bool multisample);
bool loadLevel(const std::string &name);
void run(int delta);
void render();
private:
Renderer renderer;
boost::shared_ptr<Level> level;
float angle;
};

260
Level.cpp Normal file
View file

@ -0,0 +1,260 @@
/*
* Level.cpp
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Level.h"
#include "Texture.h"
#include <libxml/tree.h>
#include <libxml/valid.h>
#include <iostream>
namespace Zoom {
boost::shared_ptr<Level> Level::loadLevel(const std::string &filename) {
boost::shared_ptr<Level> level;
xmlDocPtr doc = xmlParseFile(("levels/"+filename).c_str());
if(doc) {
if(validateLevel(doc)) {
xmlNodePtr root = xmlDocGetRootElement(doc);
if(root && !xmlStrcmp(root->name, (xmlChar*)"level")) {
level = boost::shared_ptr<Level>(new Level);
for(xmlNodePtr node = root->children; node != 0; node = node->next) {
if(node->type != XML_ELEMENT_NODE)
continue;
if(!xmlStrcmp(node->name, (xmlChar*)"info")) {
level->loadLevelInfo(node);
}
else if(!xmlStrcmp(node->name, (xmlChar*)"rooms")) {
level->loadRooms(node);
}
else if(!xmlStrcmp(node->name, (xmlChar*)"textures")) {
level->loadTextures(node);
}
}
for(std::list<Room>::iterator room = level->rooms.begin(); room != level->rooms.end(); ++room) {
for(std::list<BSPTree::TriangleRecord>::iterator wall = room->walls.begin(); wall != room->walls.end(); ++wall) {
boost::shared_ptr<WallData> wallData = boost::dynamic_pointer_cast<WallData>(wall->data);
if(!wallData->texture.empty()) {
std::map<std::string, unsigned>::iterator texture = level->textures.find(wallData->texture);
if(texture != level->textures.end())
wall->triangle.setTexture(texture->second);
}
}
}
}
}
xmlFreeDoc(doc);
}
xmlCleanupParser();
return level;
}
void Level::loadLevelInfo(xmlNodePtr infoNode) {
for(xmlNodePtr node = infoNode->children; node != 0; node = node->next) {
if(node->type != XML_ELEMENT_NODE)
continue;
if(!xmlStrcmp(node->name, (xmlChar*)"name")) {
xmlChar *data = xmlNodeGetContent(node);
name = (char*)data;
xmlFree(data);
}
else if(!xmlStrcmp(node->name, (xmlChar*)"desc")) {
xmlChar *data = xmlNodeGetContent(node);
description = (char*)data;
xmlFree(data);
}
else if(!xmlStrcmp(node->name, (xmlChar*)"start")) {
startPoint = loadVector(node);
}
}
}
void Level::loadRooms(xmlNodePtr roomsNode) {
for(xmlNodePtr node = roomsNode->children; node != 0; node = node->next) {
if(node->type == XML_ELEMENT_NODE && !xmlStrcmp(node->name, (xmlChar*)"room")) {
loadRoom(node);
}
}
}
void Level::loadRoom(xmlNodePtr roomNode) {
rooms.push_back(Room());
xmlChar *data = xmlGetProp(roomNode, (xmlChar*)"id");
if(data) {
rooms.back().id = (char*)data;
xmlFree(data);
}
for(xmlNodePtr node = roomNode->children; node != 0; node = node->next) {
if(node->type == XML_ELEMENT_NODE && !xmlStrcmp(node->name, (xmlChar*)"triangle")) {
rooms.back().walls.push_back(loadWall(node));
}
}
}
void Level::loadTextures(xmlNodePtr texturesNode) {
for(xmlNodePtr node = texturesNode->children; node != 0; node = node->next) {
if(node->type == XML_ELEMENT_NODE && !xmlStrcmp(node->name, (xmlChar*)"texture")) {
std::string id, name;
xmlChar *data = xmlGetProp(node, (xmlChar*)"id");
if(data) {
id = (char*)data;
xmlFree(data);
}
data = xmlGetProp(node, (xmlChar*)"name");
if(data) {
name = (char*)data;
xmlFree(data);
}
if(!id.empty() && !name.empty()) {
unsigned texture = Texture::loadTexture(name);
if(texture) {
textures.insert(std::make_pair(id, texture));
}
}
}
}
}
BSPTree::TriangleRecord Level::loadWall(xmlNodePtr wallNode) {
boost::shared_ptr<WallData> wallData(new WallData);
BSPTree::TriangleRecord wall;
wall.data = wallData;
xmlChar *data = xmlGetProp(wallNode, (xmlChar*)"texture");
if(data) {
wallData->texture = (char*)data;
xmlFree(data);
}
int vertexNum = -1;
for(xmlNodePtr node = wallNode->children; node != 0; node = node->next) {
if(node->type != XML_ELEMENT_NODE)
continue;
if(!xmlStrcmp(node->name, (xmlChar*)"vertex")) {
if(++vertexNum > 2)
break;
wall.triangle.setVertex(vertexNum, loadVector(node));
}
else if(!xmlStrcmp(node->name, (xmlChar*)"normal")) {
if(vertexNum < 0)
continue;
wall.triangle.setNormal(vertexNum, loadVector(node));
}
else if(!xmlStrcmp(node->name, (xmlChar*)"texcoords")) {
if(vertexNum < 0) continue;
data = xmlGetProp(node, (xmlChar*)"s");
if(data) {
wall.triangle.getTexCoords(vertexNum)[0] = atof((char*)data);
xmlFree(data);
}
data = xmlGetProp(node, (xmlChar*)"t");
if(data) {
wall.triangle.getTexCoords(vertexNum)[1] = atof((char*)data);
xmlFree(data);
}
}
}
vmml::vec3f normal = wall.triangle.computeNormal();
if(normal.squared_length() > 0) {
normal.normalize();
for(int i = 0; i < 3; ++i) {
if(wall.triangle.getNormal(i).squared_length() == 0)
wall.triangle.setNormal(i, normal);
}
}
return wall;
}
vmml::vec3f Level::loadVector(xmlNodePtr node) {
vmml::vec3f ret(vmml::vec3f::ZERO);
xmlChar *data = xmlGetProp(node, (xmlChar*)"x");
if(data) {
ret.x() = atof((char*)data);
xmlFree(data);
}
data = xmlGetProp(node, (xmlChar*)"y");
if(data) {
ret.y() = atof((char*)data);
xmlFree(data);
}
data = xmlGetProp(node, (xmlChar*)"z");
if(data) {
ret.z() = atof((char*)data);
xmlFree(data);
}
return ret;
}
bool Level::validateLevel(xmlDocPtr doc) {
bool ret = false;
xmlDtdPtr dtd = xmlParseDTD((xmlChar*)"-//libzoom//DTD level 0.1//EN", (xmlChar*)"levels/level.dtd");
if(dtd) {
xmlValidCtxtPtr validCtxt = xmlNewValidCtxt();
if(validCtxt) {
if(xmlValidateDtd(validCtxt, doc, dtd))
ret = true;
xmlFreeValidCtxt(validCtxt);
}
xmlFreeDtd(dtd);
}
return ret;
}
}

74
Level.h Normal file
View file

@ -0,0 +1,74 @@
/*
* Level.h
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZOOM_LEVEL_H_
#define ZOOM_LEVEL_H_
#include "BSPTree.h"
#include <string>
#include <map>
#include <list>
#include <boost/shared_ptr.hpp>
#include <libxml/parser.h>
#include <vmmlib/vector.hpp>
namespace Zoom {
class Level {
public:
static boost::shared_ptr<Level> loadLevel(const std::string &filename);
struct WallData : public BSPTree::TriangleData {
std::string texture;
};
struct Room {
std::string id;
std::list<BSPTree::TriangleRecord> walls;
};
const std::list<Room> &getRooms() const {
return rooms;
}
private:
std::list<Room> rooms;
std::map<std::string, unsigned> textures;
std::string name, description;
vmml::vec3f startPoint;
Level() {}
void loadLevelInfo(xmlNodePtr infoNode);
void loadRooms(xmlNodePtr roomsNode);
void loadRoom(xmlNodePtr roomNode);
void loadTextures(xmlNodePtr texturesNode);
static BSPTree::TriangleRecord loadWall(xmlNodePtr wallNode);
static vmml::vec3f loadVector(xmlNodePtr node);
static bool validateLevel(xmlDocPtr doc);
};
}
#endif /* ZOOM_LEVEL_H_ */

34
Renderer.cpp
View file

@ -19,11 +19,10 @@
#include "Renderer.h"
#include "BSPTree.h"
#include "gl.h"
namespace Zoom {
const Renderer::RenderVisitor Renderer::renderVisitor = Renderer::RenderVisitor();
void Renderer::render(const BSPTree &tree) {
vmml::mat4f transform, inverseTransform;
glGetFloatv(GL_MODELVIEW_MATRIX, transform.array);
@ -38,14 +37,39 @@ void Renderer::render(const BSPTree &tree) {
}
void Renderer::render(const std::list<BSPTree::TriangleRecord> &triangles) {
glBegin(GL_TRIANGLES);
for(std::list<BSPTree::TriangleRecord>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
renderTriangle(t->triangle);
}
glEnd();
}
void Renderer::renderTriangle(const Triangle &t) {
glColor4fv(t.getColor().array);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, t.getColor().array);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, (t.getColor()/2).array);
glNormal3fv(t.getNormal().array);
if(t.getTexture() != lastTexture) {
glEnd();
if(t.getTexture()) {
glBindTexture(GL_TEXTURE_2D, t.getTexture());
if(!lastTexture) {
glEnable(GL_TEXTURE_2D);
}
}
else {
glDisable(GL_TEXTURE_2D);
}
lastTexture = t.getTexture();
glBegin(GL_TRIANGLES);
}
for(int i = 0; i < 3; ++i) {
glTexCoord2fv(t.getTexCoords(i).array);
glNormal3fv(t.getNormal(i).array);
glVertex3fv(t.getVertex(i).array);
}
}

26
Renderer.h
View file

@ -20,25 +20,35 @@
#ifndef ZOOM_RENDERER_H_
#define ZOOM_RENDERER_H_
namespace Zoom {
#include "BSPTree.h"
class Triangle;
class BSPTree;
namespace Zoom {
class Renderer {
public:
Renderer() : lastTexture(0), renderVisitor(this) {}
void render(const BSPTree &tree);
void render(const std::list<BSPTree::TriangleRecord> &triangles);
private:
static void renderTriangle(const Triangle &t);
void renderTriangle(const Triangle &t);
struct RenderVisitor {
void operator() (const Triangle &t) const {
renderTriangle(t);
class RenderVisitor {
public:
RenderVisitor(Renderer *renderer0) : renderer(renderer0) {}
void operator() (const BSPTree::TriangleRecord &t) const {
renderer->renderTriangle(t.triangle);
}
private:
Renderer *renderer;
};
static const RenderVisitor renderVisitor;
unsigned lastTexture;
const RenderVisitor renderVisitor;
};
}

44
Texture.cpp Normal file
View file

@ -0,0 +1,44 @@
/*
* Texture.cpp
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Texture.h"
#include "gl.h"
#include <GL/glpng.h>
namespace Zoom {
std::map<std::string, unsigned> Texture::textures;
unsigned Texture::loadTexture(const std::string &name) {
std::map<std::string, unsigned>::iterator it = textures.find(name);
if(it != textures.end())
return it->second;
pngInfo info;
unsigned texture = pngBind(("tex/" + name).c_str(), PNG_NOMIPMAP, PNG_ALPHA, &info, GL_REPEAT, GL_LINEAR, GL_LINEAR);
if(texture) {
textures.insert(std::make_pair(name, texture));
}
return texture;
}
}

40
Texture.h Normal file
View file

@ -0,0 +1,40 @@
/*
* Texture.h
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZOOM_TEXTURE_H_
#define ZOOM_TEXTURE_H_
#include <string>
#include <map>
namespace Zoom {
class Texture {
public:
static unsigned loadTexture(const std::string &name);
private:
Texture();
static std::map<std::string, unsigned> textures;
};
}
#endif /* ZOOM_TEXTURE_H_ */

92
Triangle.h
View file

@ -1,7 +1,25 @@
/*
* Triangle.h
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZOOM_TRIANGLE_H_
#define ZOOM_TRIANGLE_H_
#include "gl.h"
#include <vmmlib/vector.hpp>
#include <vmmlib/matrix.hpp>
@ -9,36 +27,76 @@ namespace Zoom {
class Triangle {
public:
Triangle() : c(vmml::vec4f::ONE) {
v[0] = v[1] = v[2] = vmml::vec3f::ZERO;
Triangle() : color(vmml::vec4f::ONE), texture(0) {
vertices[0] = vertices[1] = vertices[2] = vmml::vec3f::ZERO;
normals[0] = normals[1] = normals[2] = vmml::vec3f::ZERO;
texcoords[0] = texcoords[1] = texcoords[2] = vmml::vec2f::ZERO;
}
Triangle(const vmml::vec3f &v1, const vmml::vec3f &v2, const vmml::vec3f &v3, const vmml::vec4f &c0) : c(c0) {
v[0] = v1;
v[1] = v2;
v[2] = v3;
Triangle(const vmml::vec3f &v1, const vmml::vec3f &v2, const vmml::vec3f &v3, const vmml::vec4f &color0) : color(color0), texture(0) {
vertices[0] = v1;
vertices[1] = v2;
vertices[2] = v3;
normals[0] = normals[1] = normals[2] = vmml::vec3f::ZERO;
texcoords[0] = texcoords[1] = texcoords[2] = vmml::vec2f::ZERO;
}
const vmml::vec3f& getVertex(int i) const {return v[i];}
const vmml::vec4f& getColor() const {return c;}
vmml::vec3f getNormal() const {
return v[0].compute_normal(v[1], v[2]);
const vmml::vec3f& getVertex(int i) const {return vertices[i];}
vmml::vec3f& getVertex(int i) {return vertices[i];}
void setVertex(int i, vmml::vec3f v) {
vertices[i] = v;
}
void transform(const vmml::mat4f &m) {
const vmml::vec3f& getNormal(int i) const {return normals[i];}
vmml::vec3f& getNormal(int i) {return normals[i];}
void setNormal(int i, vmml::vec3f n) {
normals[i] = n;
}
const vmml::vec2f& getTexCoords(int i) const {return texcoords[i];}
vmml::vec2f& getTexCoords(int i) {return texcoords[i];}
void setTexCoords(int i, vmml::vec2f t) {
texcoords[i] = t;
}
unsigned getTexture() const {
return texture;
}
void setTexture(unsigned tex) {
texture = tex;
}
const vmml::vec4f& getColor() const {return color;}
vmml::vec4f& getColor() {return color;}
void setColor(vmml::vec4f c) {
color = c;
}
vmml::vec3f computeNormal() const {
return vertices[0].compute_normal(vertices[1], vertices[2]);
}
bool isDegenerate() const {
return (computeNormal().squared_length() == 0);
}
void transform(const vmml::mat4f &matrix) {
for(int i = 0; i < 3; ++i) {
v[i] = m*v[i];
vertices[i] = matrix*vertices[i];
}
}
vmml::vec3f getCenter() const {
return (v[0]+v[1]+v[2])/3;
return (vertices[0]+vertices[1]+vertices[2])/3;
}
private:
vmml::vec3f v[3];
vmml::vec4f c;
vmml::vec3f vertices[3];
vmml::vec3f normals[3];
vmml::vec2f texcoords[3];
vmml::vec4f color;
unsigned texture;
};
}

2
config.h
View file

@ -20,7 +20,7 @@
#ifndef ZOOM_CONFIG_H_
#define ZOOM_CONFIG_H_
#define MIN_FRAME_DELTA 16
#define MIN_FRAME_DELTA 10
#define DEFAULT_WIDTH 800
#define DEFAULT_HEIGHT 600

25
gl.h
View file

@ -1,5 +1,24 @@
#ifndef _GL_H_
#define _GL_H_
/*
* gl.h
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZOOM_GL_H_
#define ZOOM_GL_H_
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
@ -9,4 +28,4 @@
#include <GL/gl.h>
#include <GL/glu.h>
#endif /* _GL_H_ */
#endif /* ZOOM_GL_H_ */

61
levels/level.dtd Normal file
View file

@ -0,0 +1,61 @@
<!ELEMENT level (info, rooms, gates, textures)>
<!ELEMENT info (name, desc, start)>
<!ELEMENT rooms (room)*>
<!ELEMENT gates (gate)*>
<!ELEMENT textures (texture)*>
<!ELEMENT name (#PCDATA)>
<!ELEMENT desc (#PCDATA)>
<!ELEMENT start EMPTY>
<!ATTLIST start
x CDATA #REQUIRED
y CDATA #REQUIRED
z CDATA #REQUIRED
>
<!ELEMENT room (triangle)*>
<!ATTLIST room
id ID #REQUIRED
>
<!ELEMENT gate (triangle)*>
<!ATTLIST gate
room1 IDREF #REQUIRED
room2 IDREF #REQUIRED
>
<!ELEMENT triangle (vertex, normal?, texcoords?, vertex, normal?, texcoords?, vertex, normal?, texcoords?)>
<!ATTLIST triangle
visible (true|false) "true"
texture IDREF #IMPLIED
>
<!ELEMENT texture EMPTY>
<!ATTLIST texture
id ID #REQUIRED
name CDATA #REQUIRED
>
<!ELEMENT vertex EMPTY>
<!ATTLIST vertex
x CDATA #REQUIRED
y CDATA #REQUIRED
z CDATA #REQUIRED
>
<!ELEMENT normal EMPTY>
<!ATTLIST normal
x CDATA #REQUIRED
y CDATA #REQUIRED
z CDATA #REQUIRED
>
<!ELEMENT texcoords EMPTY>
<!ATTLIST texcoords
s CDATA #REQUIRED
t CDATA #IMPLIED
r CDATA #IMPLIED
q CDATA #IMPLIED
>

392
levels/level.xml Normal file
View file

@ -0,0 +1,392 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE level PUBLIC "-//libzoom//DTD level 0.1//EN" "level.dtd">
<level>
<info>
<name>Test Level</name>
<desc>Just a simple test level.</desc>
<start x="0.0" y="0.0" z="0.0"/>
</info>
<rooms>
<room id="r0">
<triangle texture="t0">
<vertex x="-2.0" y="-2.0" z="-6.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="2.0" y="-2.0" z="-6.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="-6.0"/>
<texcoords s="1.0" t="0.0"/>
</triangle>
<triangle texture="t0">
<vertex x="-2.0" y="-2.0" z="-6.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="-6.0"/>
<texcoords s="1.0" t="0.0"/>
<vertex x="-2.0" y="2.0" z="-6.0"/>
<texcoords s="0.0" t="0.0"/>
</triangle>
<triangle texture="t0">
<vertex x="-2.0" y="-2.0" z="2.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="-2.0" y="2.0" z="2.0"/>
<texcoords s="1.0" t="0.0"/>
<vertex x="2.0" y="2.0" z="2.0"/>
<texcoords s="0.0" t="0.0"/>
</triangle>
<triangle texture="t0">
<vertex x="-2.0" y="-2.0" z="2.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="2.0" y="-2.0" z="2.0"/>
<texcoords s="0.0" t="1.0"/>
</triangle>
<triangle texture="t1">
<vertex x="-2.0" y="2.0" z="-6.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="-6.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="2.0" y="2.0" z="-2.0"/>
<texcoords s="1.0" t="0.0"/>
</triangle>
<triangle texture="t1">
<vertex x="-2.0" y="2.0" z="-6.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="-2.0"/>
<texcoords s="1.0" t="0.0"/>
<vertex x="-2.0" y="2.0" z="-2.0"/>
<texcoords s="1.0" t="1.0"/>
</triangle>
<triangle texture="t1">
<vertex x="-2.0" y="2.0" z="-2.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="-2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="2.0" y="2.0" z="2.0"/>
<texcoords s="1.0" t="0.0"/>
</triangle>
<triangle texture="t1">
<vertex x="-2.0" y="2.0" z="-2.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="2.0"/>
<texcoords s="1.0" t="0.0"/>
<vertex x="-2.0" y="2.0" z="2.0"/>
<texcoords s="1.0" t="1.0"/>
</triangle>
<triangle texture="t2">
<vertex x="-2.0" y="-2.0" z="-2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="2.0" y="-2.0" z="-2.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="2.0" y="-2.0" z="-6.0"/>
<texcoords s="1.0" t="1.0"/>
</triangle>
<triangle texture="t2">
<vertex x="-2.0" y="-2.0" z="-2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="2.0" y="-2.0" z="-6.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="-2.0" y="-2.0" z="-6.0"/>
<texcoords s="1.0" t="0.0"/>
</triangle>
<triangle texture="t2">
<vertex x="-2.0" y="-2.0" z="2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="2.0" y="-2.0" z="2.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="2.0" y="-2.0" z="-2.0"/>
<texcoords s="1.0" t="1.0"/>
</triangle>
<triangle texture="t2">
<vertex x="-2.0" y="-2.0" z="2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="2.0" y="-2.0" z="-2.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="-2.0" y="-2.0" z="-2.0"/>
<texcoords s="1.0" t="0.0"/>
</triangle>
<triangle texture="t0">
<vertex x="-2.0" y="-2.0" z="-6.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="-2.0" y="2.0" z="-6.0"/>
<texcoords s="1.0" t="0.0"/>
<vertex x="-2.0" y="2.0" z="-2.0"/>
<texcoords s="0.0" t="0.0"/>
</triangle>
<triangle texture="t0">
<vertex x="-2.0" y="-2.0" z="-6.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="-2.0" y="2.0" z="-2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="-2.0" y="-2.0" z="-2.0"/>
<texcoords s="0.0" t="1.0"/>
</triangle>
<triangle texture="t0">
<vertex x="-2.0" y="-2.0" z="-2.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="-2.0" y="2.0" z="-2.0"/>
<texcoords s="1.0" t="0.0"/>
<vertex x="-2.0" y="2.0" z="2.0"/>
<texcoords s="0.0" t="0.0"/>
</triangle>
<triangle texture="t0">
<vertex x="-2.0" y="-2.0" z="-2.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="-2.0" y="2.0" z="2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="-2.0" y="-2.0" z="2.0"/>
<texcoords s="0.0" t="1.0"/>
</triangle>
<triangle texture="t0">
<vertex x="2.0" y="-2.0" z="2.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="2.0"/>
<texcoords s="1.0" t="0.0"/>
<vertex x="2.0" y="2.0" z="-2.0"/>
<texcoords s="0.0" t="0.0"/>
</triangle>
<triangle texture="t0">
<vertex x="2.0" y="-2.0" z="2.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="-2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="2.0" y="-2.0" z="-2.0"/>
<texcoords s="0.0" t="1.0"/>
</triangle>
<triangle texture="t2">
<vertex x="2.0" y="-2.0" z="-2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="6.0" y="-2.0" z="-2.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="6.0" y="-2.0" z="-6.0"/>
<texcoords s="1.0" t="1.0"/>
</triangle>
<triangle texture="t2">
<vertex x="2.0" y="-2.0" z="-2.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="6.0" y="-2.0" z="-6.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="2.0" y="-2.0" z="-6.0"/>
<texcoords s="1.0" t="0.0"/>
</triangle>
<triangle texture="t2">
<vertex x="2.0" y="-2.0" z="-6.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="6.0" y="-2.0" z="-6.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="6.0" y="-2.0" z="-10.0"/>
<texcoords s="1.0" t="1.0"/>
</triangle>
<triangle texture="t2">
<vertex x="2.0" y="-2.0" z="-6.0"/>
<texcoords s="0.0" t="0.0"/>
<vertex x="6.0" y="-2.0" z="-10.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="2.0" y="-2.0" z="-10.0"/>
<texcoords s="1.0" t="0.0"/>
</triangle>
<triangle texture="t1">
<vertex x="2.0" y="2.0" z="-2.0"/>
<texcoords s="1.0" t="1.0"/>
<vertex x="2.0" y="2.0" z="-6.0"/>
<texcoords s="0.0" t="1.0"/>
<vertex x="6.0" y="2.0" z="-6.0"/>
<texcoords s="0.0" t="0.0"/>
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<room id="r1">
<triangle texture="t2">
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<triangle texture="t2">
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<triangle texture="t0">
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<triangle texture="t0">
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<triangle texture="t1">
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</triangle>
</room>
</rooms>
<gates>
<gate room1="r0" room2="r1">
<triangle texture="t0">
<vertex x="2.0" y="-2.0" z="-2.0"/>
<texcoords s="1.0" t="1.0"/>
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</triangle>
</gate>
</gates>
<textures>
<texture id="t0" name="green.png"/>
<texture id="t1" name="metallic2.png"/>
<texture id="t2" name="light.png"/>
</textures>
</level>

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24
zoom.cpp
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@ -1,3 +1,22 @@
/*
* zoom.cpp
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Game.h"
#include "config.h"
#include "gl.h"
@ -13,9 +32,8 @@
void resize(int width, int height)
{
if(height==0)
{
height=1;
if(height == 0) {
height = 1;
}