316 lines
8.3 KiB
C++
316 lines
8.3 KiB
C++
//This file is part of Photon (http://photon.sourceforge.net)
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//Copyright (C) 2004-2005 James Turk
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//
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// Author:
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// James Turk (jpt2433@rit.edu)
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//
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// Version:
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// $Id: State_test.cpp,v 1.3 2005/08/14 07:40:13 cozman Exp $
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#include "photon.hpp"
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using namespace photon;
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#include "FPSDisplayTask.hpp" // used to display FPS in title bar
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#include <iostream>
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class Demo2D : public State
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{
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struct MovingRect
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{
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math::Rect pos;
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math::Vector2 vel;
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};
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public:
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Demo2D()
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{
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util::RandGen rand;
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video::Image::addResource("robo","data/robo.png");
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roboImg.open("robo");
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robots.resize(5);
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for(std::vector<MovingRect>::iterator robot( robots.begin() );
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robot != robots.end();
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++robot)
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{
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robot->pos.moveTo(math::Point2(
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rand.genRand(0.,800-roboImg.getWidth()),
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rand.genRand(0.,600-roboImg.getHeight())));
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robot->pos.resize(roboImg.getWidth(), roboImg.getHeight());
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// generates -400 or +400
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robot->vel.x = rand.genRandSign()*400;
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robot->vel.y = rand.genRandSign()*400;
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}
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Application::getInstance().setOrthoView();
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}
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void onKeyPress(KeyCode key)
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{
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if(key == KEY_ESC)
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{
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Application::getInstance().popState();
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}
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}
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void update()
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{
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for(std::vector<MovingRect>::iterator robot( robots.begin() );
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robot != robots.end();
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++robot)
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{
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math::Vector2 vel(robot->vel *
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Application::getInstance().getTimeDelta());
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robot->pos.moveRel(vel.x, vel.y);
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if(robot->pos.getLeft() < 0 || robot->pos.getRight() > 800)
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{
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robot->vel.x *= -1;
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}
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if(robot->pos.getTop() < 0 || robot->pos.getBottom() > 600)
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{
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robot->vel.y *= -1;
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}
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// check for robot-robot collisions
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for(std::vector<MovingRect>::iterator robot2( robot );
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robot2 != robots.end();
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++robot2)
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{
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if(robot->pos.intersects(robot2->pos))
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{
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std::swap(robot->vel, robot2->vel);
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}
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}
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}
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}
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void render()
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{
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for(std::vector<MovingRect>::iterator robot( robots.begin() );
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robot != robots.end();
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++robot)
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{
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roboImg.draw(robot->pos.getX(), robot->pos.getY());
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}
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}
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private:
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video::Image roboImg;
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std::vector<MovingRect> robots;
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};
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class Demo3D : public State
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{
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public:
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Demo3D() :
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xRot(0), yRot(0), zRot(0),
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boxList(glGenLists(1))
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{
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video::Image::addResource("robo","data/robo.png");
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Application::getInstance().setPerspectiveView(45.0, 1.0, 100.0);
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glShadeModel(GL_SMOOTH); // smooth shading
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glClearDepth(1.0f); // set clear depth
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glEnable(GL_DEPTH_TEST); // enable depth testing
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glDepthFunc(GL_LEQUAL);
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// create the list to display a box
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glNewList(boxList, GL_COMPILE);
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glBegin(GL_QUADS);
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// front - red
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glColor3ub(255, 0, 0);
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glVertex3f(-1.0f, -1.0f, 1.0f);
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glVertex3f( 1.0f, -1.0f, 1.0f);
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glVertex3f( 1.0f, 1.0f, 1.0f);
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glVertex3f(-1.0f, 1.0f, 1.0f);
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// back - green
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glColor3ub(0, 255, 0);
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glVertex3f(-1.0f, -1.0f, -1.0f);
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glVertex3f(-1.0f, 1.0f, -1.0f);
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glVertex3f( 1.0f, 1.0f, -1.0f);
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glVertex3f( 1.0f, -1.0f, -1.0f);
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// top - blue
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glColor3ub(0, 0, 255);
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glVertex3f(-1.0f, 1.0f, -1.0f);
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glVertex3f(-1.0f, 1.0f, 1.0f);
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glVertex3f( 1.0f, 1.0f, 1.0f);
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glVertex3f( 1.0f, 1.0f, -1.0f);
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// bottom - orange
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glColor3ub(255, 128, 0);
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glVertex3f(-1.0f, -1.0f, -1.0f);
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glVertex3f( 1.0f, -1.0f, -1.0f);
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glVertex3f( 1.0f, -1.0f, 1.0f);
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glVertex3f(-1.0f, -1.0f, 1.0f);
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// right - purple
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glColor3ub(128, 0, 255);
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glVertex3f( 1.0f, -1.0f, -1.0f);
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glVertex3f( 1.0f, 1.0f, -1.0f);
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glVertex3f( 1.0f, 1.0f, 1.0f);
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glVertex3f( 1.0f, -1.0f, 1.0f);
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// left - yellow
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glColor3ub(255, 255, 0);
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glVertex3f(-1.0f, -1.0f, -1.0f);
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glVertex3f(-1.0f, -1.0f, 1.0f);
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glVertex3f(-1.0f, 1.0f, 1.0f);
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glVertex3f(-1.0f, 1.0f, -1.0f);
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glEnd();
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glEndList();
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}
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~Demo3D()
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{
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glDeleteLists(boxList, 1);
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}
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void onKeyPress(KeyCode key)
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{
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if(key == KEY_ESC)
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{
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Application::getInstance().popState();
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}
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}
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void update()
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{
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scalar dt = Application::getInstance().getTimeDelta();
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xRot += 30*dt;
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yRot += 40*dt;
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zRot += 50*dt;
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}
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void render()
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{
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glLoadIdentity();
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glTranslatef(0.0f,0.0f,-5.0f);
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glRotated(xRot,1.0f,0.0f,0.0f);
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glRotated(yRot,0.0f,1.0f,0.0f);
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glRotated(zRot,0.0f,0.0f,1.0f);
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glBindTexture(GL_TEXTURE_2D, 0);
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glCallList(boxList);
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}
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private:
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video::Texture tex;
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scalar xRot, yRot, zRot;
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photon::uint boxList;
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};
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class Menu : public State
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{
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struct Item
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{
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std::string text;
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math::Rect rect;
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};
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public:
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Menu() :
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app(Application::getInstance())
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{
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video::Font::addResource("menufont","FreeMono.ttf",64);
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font.open("menufont");
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font.setColor(video::Color(255, 128, 0));
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menuItems[0].text = "2D Demo";
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menuItems[1].text = "3D Demo";
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menuItems[2].text = "Quit";
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const photon::uint ySkip(font.getHeight() + 20);
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scalar curY(100);
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scalar width;
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for(int i=0; i < 3; ++i)
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{
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width = font.calcStringWidth(menuItems[i].text);
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menuItems[i].rect.moveRel((app.getDisplayWidth() - width) / 2, curY);
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menuItems[i].rect.resize(width, font.getHeight());
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curY += ySkip;
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}
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app.setOrthoView();
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app.setTimeDeltaMode(TDM_AVERAGE, 250);
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}
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void onMouseButtonPress(MouseButton button)
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{
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if(menuItems[0].rect.contains(math::Point2(app.getMouseX(),
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app.getMouseY())))
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{
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app.pushState<Demo2D>();
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}
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else if(menuItems[1].rect.contains(math::Point2(app.getMouseX(),
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app.getMouseY())))
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{
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app.pushState<Demo3D>();
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}
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else if(menuItems[2].rect.contains(math::Point2(app.getMouseX(),
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app.getMouseY())))
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{
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Kernel::getInstance().killAllTasks();
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}
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}
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void render()
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{
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video::Color c( font.getColor() );
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video::Pen p;
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for(int i=0; i < 3; ++i)
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{
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if(menuItems[i].rect.contains(math::Point2(app.getMouseX(),
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app.getMouseY())))
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{
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font.setColor(video::Color(255, 255, 255));
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p.drawRect(menuItems[i].rect);
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}
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font.drawText(menuItems[i].rect.getX(), menuItems[i].rect.getY(),
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menuItems[i].text);
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font.setColor(c);
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}
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}
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void onResume()
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{
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font.setColor(video::Color(rand.genRand(0,255), rand.genRand(0,255),
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rand.genRand(0,255)));
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app.setOrthoView();
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}
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private:
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video::Font font;
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Item menuItems[3];
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util::RandGen rand;
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Application& app;
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};
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int PhotonMain(const StrVec& args)
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{
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// create window
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Application::getInstance().createDisplay(800,600,32,0,0,false);
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// add archives to search path
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util::filesys::addToSearchPath("data/fonts.zip");
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// set current state
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Application::getInstance().setState<Menu>();
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// run until finished
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Kernel::getInstance().run();
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return 0;
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}
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