Dogcows Code - chaz/yoink/blob - src/YoinkApp.cc

   1
   2 /*******************************************************************************
   3
   4  Copyright (c) 2009, Charles McGarvey
   5  All rights reserved.
   6
   7  Redistribution   and   use  in  source  and  binary  forms,  with  or  without
   8  modification, are permitted provided that the following conditions are met:
   9
  10    * Redistributions  of  source  code  must retain the above copyright notice,
  11      this list of conditions and the following disclaimer.
  12    * Redistributions  in binary form must reproduce the above copyright notice,
  13      this  list of conditions and the following disclaimer in the documentation
  14      and/or other materials provided with the distribution.
  15
  16  THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17  AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  20  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22  SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23  CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26
  27 *******************************************************************************/
  28
  29 #include <iostream>
  30 #include <string>
  31
  32 #include <cstdlib>              // getenv
  33
  34 #include <boost/bind.hpp>
  35
  36 #include "opengl.hh"
  37 #include "video.hh"
  38 #include "settings.hh"
  39
  40 #include "math.hh"
  41
  42 #include "YoinkApp.hh"
  43
  44 #include "timer.hh"
  45
  46 #if HAVE_CONFIG_H
  47 #include "config.h"
  48 #endif
  49
  50
  51 static std::string configFiles()
  52 {
  53         std::string files;
  54
  55         char* configFile = getenv("YOINK_CONFIGFILE");
  56
  57         if (configFile)
  58         {
  59                 // if a config file from the environment variable is specified, we want
  60                 // to load it first
  61                 files += configFile;
  62                 files += ":";
  63         }
  64
  65         files += YOINK_CONFIGFILES;
  66
  67         return files;
  68 }
  69
  70
  71 YoinkApp::YoinkApp(int argc, char* argv[]) :
  72         dc::engine(PACKAGE_STRING, argc, argv, configFiles())
  73 {
  74         std::cout << PACKAGE_STRING << std::endl
  75                           << "Compiled " << __TIME__ " " __DATE__ << std::endl
  76                           << "Send requests, patches, and bug reports to <"
  77                           PACKAGE_BUGREPORT << ">." << std::endl << std::endl;
  78
  79         char* dataDir = getenv("YOINK_DATADIR");
  80
  81         if (dataDir)
  82         {
  83                 dc::resource::addSearchPath(dataDir);
  84         }
  85
  86         dc::resource::addSearchPath(YOINK_DATADIR);
  87
  88         dc::dispatcher::instance().addHandler("video.context_recreated",
  89                         boost::bind(&YoinkApp::contextRecreated, this, _1), this);
  90         setupGL();
  91
  92         state = 0.0;
  93
  94         someChar = new Character("RobotTrooper");
  95         someChar->getAnimation().startSequence("Run");
  96
  97         font = new TilemapFont;
  98
  99         dc::vector2 coeffs[4];
 100         coeffs[0] = dc::vector2(0.0, 0.0);
 101         coeffs[1] = dc::vector2(0.5, 0.0);
 102         coeffs[2] = dc::vector2(0.5, 0.0);
 103         coeffs[3] = dc::vector2(1.0, 0.0);
 104         interp.init(coeffs, 1.0, dc::interpolator::oscillate);
 105
 106         dc::scalar coeff[2] = {1.0, 0.0};
 107         fadeIn.init(coeff, 0.5f);
 108
 109         testScene = new dc::scene("Test");
 110 }
 111
 112 YoinkApp::~YoinkApp()
 113 {
 114         delete someChar;
 115         delete font;
 116
 117         dc::dispatcher::instance().removeHandler(this);
 118
 119         std::cout << "Goodbye..." << std::endl;
 120 }
 121
 122
 123 void YoinkApp::setupGL()
 124 {
 125         glEnable(GL_TEXTURE_2D);
 126         //glEnable(GL_CULL_FACE);
 127         glEnable(GL_DEPTH_TEST);
 128
 129         glShadeModel(GL_SMOOTH);
 130
 131         //glEnable(GL_BLEND);
 132         //glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 133         glEnable(GL_ALPHA_TEST);
 134         glAlphaFunc(GL_GREATER, 0.0);
 135
 136         glClearColor(0.0, 0.0, 1.0, 1.0);
 137
 138         glLineWidth(10.0f);
 139 }
 140
 141 void YoinkApp::contextRecreated(const dc::notification& note)
 142 {
 143         // Whenever the context and a new one created, it probably won't contain our
 144         // state so we need to set that up again.
 145         setupGL();
 146 }
 147
 148
 149 void YoinkApp::update(dc::scalar t, dc::scalar dt)
 150 {
 151         //dt *= 0.2;
 152
 153         fadeIn.update(dt);
 154
 155         someChar->getAnimation().update(t, dt);
 156         interp.update(dt);
 157
 158         prevstate = state;
 159         state += dt;
 160 }
 161
 162
 163 void YoinkApp::draw(dc::scalar alpha)
 164 {
 165         dc::vector4 meh;
 166         meh.random(0.0, 1.0);
 167         static dc::vector4 c1(meh);
 168
 169         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 170
 171         dc::scalar drawstate = cml::lerp(prevstate, state, alpha);
 172         dc::scalar sinstate = std::sin(drawstate);
 173         dc::scalar cosstate = std::cos(drawstate);
 174
 175
 176         // DRAW THE SCENE
 177         testScene->draw(alpha);
 178
 179
 180         someChar->getTilemap().bind();
 181         glColor3f(1.0, 1.0, 1.0);
 182
 183         unsigned heroFrame = someChar->getAnimation().getFrame();
 184
 185         float coords[8];
 186         someChar->getTilemap().getTileCoords(heroFrame, coords);
 187
 188         glBegin(GL_QUADS);
 189                 glTexCoord2f(coords[0], coords[1]);
 190                 glVertex3f(-1.0, 0.0, 0.0);
 191                 glTexCoord2f(coords[2], coords[3]);
 192                 glVertex3f(0.0, 0.0, 0.0);
 193                 glTexCoord2f(coords[4], coords[5]);
 194                 glVertex3f(0.0, 1.0, 0.0);
 195                 glTexCoord2f(coords[6], coords[7]);
 196                 glVertex3f(-1.0, 1.0, 0.0);
 197         glEnd();
 198
 199
 200         someChar->getTilemap().getTileCoords(heroFrame, coords,
 201                         dc::tilemap::reverse);
 202
 203         glBegin(GL_QUADS);
 204                 glTexCoord2f(coords[0], coords[1]);
 205                 glVertex3f(0.0, 0.0, 0.0);
 206                 glTexCoord2f(coords[2], coords[3]);
 207                 glVertex3f(1.0, 0.0, 0.0);
 208                 glTexCoord2f(coords[4], coords[5]);
 209                 glVertex3f(1.0, 1.0, 0.0);
 210                 glTexCoord2f(coords[6], coords[7]);
 211                 glVertex3f(0.0, 1.0, 0.0);
 212         glEnd();
 213
 214         glColor4f(1.0,0.0,0.0,0.5);
 215
 216         glBindTexture(GL_TEXTURE_2D, 0);
 217         glColor4fv(c1.data());
 218
 219         glRectd(-cosstate, -sinstate, sinstate, cosstate);
 220         glRectf(0.0f, 0.0f, sinstate, cosstate);
 221
 222         font->bind();
 223
 224         font->getTileCoords('c', coords);
 225
 226         glBegin(GL_QUADS);
 227                 glTexCoord2f(coords[0], coords[1]);
 228                 glVertex3f(-1.0, 0.0, 0.0);
 229                 glTexCoord2f(coords[2], coords[3]);
 230                 glVertex3f(0.0, 0.0, 0.0);
 231                 glTexCoord2f(coords[4], coords[5]);
 232                 glVertex3f(0.0, 1.0, 0.0);
 233                 glTexCoord2f(coords[6], coords[7]);
 234                 glVertex3f(-1.0, 1.0, 0.0);
 235         glEnd();
 236
 237         font->getTileCoords('h', coords);
 238
 239         glBegin(GL_QUADS);
 240                 glTexCoord2f(coords[0], coords[1]);
 241                 glVertex3f(0.0, 0.0, 0.0);
 242                 glTexCoord2f(coords[2], coords[3]);
 243                 glVertex3f(1.0, 0.0, 0.0);
 244                 glTexCoord2f(coords[4], coords[5]);
 245                 glVertex3f(1.0, 1.0, 0.0);
 246                 glTexCoord2f(coords[6], coords[7]);
 247                 glVertex3f(0.0, 1.0, 0.0);
 248         glEnd();
 249
 250         font->getTileCoords('a', coords);
 251
 252         glBegin(GL_QUADS);
 253                 glTexCoord2f(coords[0], coords[1]);
 254                 glVertex3f(-1.0, -1.0, 0.0);
 255                 glTexCoord2f(coords[2], coords[3]);
 256                 glVertex3f(0.0, -1.0, 0.0);
 257                 glTexCoord2f(coords[4], coords[5]);
 258                 glVertex3f(0.0, 0.0, 0.0);
 259                 glTexCoord2f(coords[6], coords[7]);
 260                 glVertex3f(-1.0, 0.0, 0.0);
 261         glEnd();
 262
 263         font->getTileCoords('z', coords);
 264
 265         glBegin(GL_QUADS);
 266                 glTexCoord2f(coords[0], coords[1]);
 267                 glVertex3f(0.0, -1.0, 0.0);
 268                 glTexCoord2f(coords[2], coords[3]);
 269                 glVertex3f(1.0, -1.0, 0.0);
 270                 glTexCoord2f(coords[4], coords[5]);
 271                 glVertex3f(1.0, 0.0, 0.0);
 272                 glTexCoord2f(coords[6], coords[7]);
 273                 glVertex3f(0.0, 0.0, 0.0);
 274         glEnd();
 275
 276         glEnable(GL_BLEND);
 277         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 278         glDisable(GL_DEPTH_TEST);
 279
 280         glBindTexture(GL_TEXTURE_2D, 0);
 281         glColor4f(0.0f, 0.0f, 0.0f, 1.0f);
 282
 283         glBegin(GL_LINES);
 284                 glVertex2f(0.0f, 0.0f);
 285                 glVertex2fv(interp.getState(alpha).data());
 286         glEnd();
 287
 288         glColor4f(0.0f, 0.0f, 0.0f, fadeIn.getState(alpha));
 289         glRectf(-1.0f, -1.0f, 1.0f, 1.0f);
 290
 291         glDisable(GL_BLEND);
 292         glEnable(GL_DEPTH_TEST);
 293 }
 294
 295 void YoinkApp::handleEvent(const dc::event& e)
 296 {
 297         switch (e.type)
 298         {
 299                 case SDL_KEYDOWN:
 300                         if (e.key.keysym.sym == SDLK_ESCAPE)
 301                         {
 302                                 stop();
 303                         }
 304                         else if (e.key.keysym.sym == SDLK_f)
 305                         {
 306                                 getVideo().toggleFull();
 307                         }
 308                         else if (e.key.keysym.sym == SDLK_a)
 309                         {
 310                                 someChar->getAnimation().startSequence("Punch");
 311                         }
 312                         break;
 313
 314                 case SDL_QUIT:
 315                         stop();
 316                         break;
 317
 318                 case SDL_VIDEORESIZE:
 319                         glViewport(0, 0, e.resize.w, e.resize.h);
 320                         break;
 321         }
 322 }
 323
 324
 325
 326 int main(int argc, char* argv[])
 327 {
 328         YoinkApp app(argc, argv);
 329         return app.run();
 330 }
 331
 332 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 333