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         dc::resource::addSearchPath(YOINK_DATADIR);
  80
  81         dc::dispatcher::instance().addHandler("video.context_recreated",
  82                         boost::bind(&YoinkApp::contextRecreated, this, _1), this);
  83         setupGL();
  84
  85         state = 0.0;
  86
  87         someChar = new Character("RobotTrooper");
  88         someChar->getAnimation().startSequence("Run");
  89
  90         font = new TilemapFont;
  91
  92         dc::vector2 coeffs[4];
  93         coeffs[0] = dc::vector2(0.0, 0.0);
  94         coeffs[1] = dc::vector2(0.5, 0.0);
  95         coeffs[2] = dc::vector2(0.5, 0.0);
  96         coeffs[3] = dc::vector2(1.0, 0.0);
  97         interp.init(coeffs, 1.0, dc::interpolator::oscillate);
  98
  99         dc::scalar coeff[2] = {1.0, 0.0};
 100         fadeIn.init(coeff, 0.5f);
 101
 102         testScene = new dc::scene("Test");
 103 }
 104
 105 YoinkApp::~YoinkApp()
 106 {
 107         delete someChar;
 108         delete font;
 109
 110         dc::dispatcher::instance().removeHandler(this);
 111
 112         std::cout << "Goodbye..." << std::endl;
 113 }
 114
 115
 116 void YoinkApp::setupGL()
 117 {
 118         glEnable(GL_TEXTURE_2D);
 119         //glEnable(GL_CULL_FACE);
 120         glEnable(GL_DEPTH_TEST);
 121
 122         glShadeModel(GL_SMOOTH);
 123
 124         //glEnable(GL_BLEND);
 125         //glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 126         glEnable(GL_ALPHA_TEST);
 127         glAlphaFunc(GL_GREATER, 0.0);
 128
 129         glClearColor(0.0, 0.0, 1.0, 1.0);
 130
 131         glLineWidth(10.0f);
 132 }
 133
 134 void YoinkApp::contextRecreated(const dc::notification& note)
 135 {
 136         // Whenever the context and a new one created, it probably won't contain our
 137         // state so we need to set that up again.
 138         setupGL();
 139 }
 140
 141
 142 void YoinkApp::update(dc::scalar t, dc::scalar dt)
 143 {
 144         //dt *= 0.2;
 145
 146         fadeIn.update(dt);
 147
 148         someChar->getAnimation().update(t, dt);
 149         interp.update(dt);
 150
 151         prevstate = state;
 152         state += dt;
 153 }
 154
 155
 156 void YoinkApp::draw(dc::scalar alpha)
 157 {
 158         dc::vector4 meh;
 159         meh.random(0.0, 1.0);
 160         static dc::vector4 c1(meh);
 161
 162         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 163
 164         dc::scalar drawstate = cml::lerp(prevstate, state, alpha);
 165         dc::scalar sinstate = std::sin(drawstate);
 166         dc::scalar cosstate = std::cos(drawstate);
 167
 168
 169         // DRAW THE SCENE
 170         testScene->draw(alpha);
 171
 172
 173         someChar->getTilemap().bind();
 174         glColor3f(1.0, 1.0, 1.0);
 175
 176         unsigned heroFrame = someChar->getAnimation().getFrame();
 177
 178         float coords[8];
 179         someChar->getTilemap().getTileCoords(heroFrame, coords);
 180
 181         glBegin(GL_QUADS);
 182                 glTexCoord2f(coords[0], coords[1]);
 183                 glVertex3f(-1.0, 0.0, 0.0);
 184                 glTexCoord2f(coords[2], coords[3]);
 185                 glVertex3f(0.0, 0.0, 0.0);
 186                 glTexCoord2f(coords[4], coords[5]);
 187                 glVertex3f(0.0, 1.0, 0.0);
 188                 glTexCoord2f(coords[6], coords[7]);
 189                 glVertex3f(-1.0, 1.0, 0.0);
 190         glEnd();
 191
 192
 193         someChar->getTilemap().getTileCoords(heroFrame, coords,
 194                         dc::tilemap::reverse);
 195
 196         glBegin(GL_QUADS);
 197                 glTexCoord2f(coords[0], coords[1]);
 198                 glVertex3f(0.0, 0.0, 0.0);
 199                 glTexCoord2f(coords[2], coords[3]);
 200                 glVertex3f(1.0, 0.0, 0.0);
 201                 glTexCoord2f(coords[4], coords[5]);
 202                 glVertex3f(1.0, 1.0, 0.0);
 203                 glTexCoord2f(coords[6], coords[7]);
 204                 glVertex3f(0.0, 1.0, 0.0);
 205         glEnd();
 206
 207         glColor4f(1.0,0.0,0.0,0.5);
 208
 209         glBindTexture(GL_TEXTURE_2D, 0);
 210         glColor4fv(c1.data());
 211
 212         glRectd(-cosstate, -sinstate, sinstate, cosstate);
 213         glRectf(0.0f, 0.0f, sinstate, cosstate);
 214
 215         font->bind();
 216
 217         font->getTileCoords('c', coords);
 218
 219         glBegin(GL_QUADS);
 220                 glTexCoord2f(coords[0], coords[1]);
 221                 glVertex3f(-1.0, 0.0, 0.0);
 222                 glTexCoord2f(coords[2], coords[3]);
 223                 glVertex3f(0.0, 0.0, 0.0);
 224                 glTexCoord2f(coords[4], coords[5]);
 225                 glVertex3f(0.0, 1.0, 0.0);
 226                 glTexCoord2f(coords[6], coords[7]);
 227                 glVertex3f(-1.0, 1.0, 0.0);
 228         glEnd();
 229
 230         font->getTileCoords('h', coords);
 231
 232         glBegin(GL_QUADS);
 233                 glTexCoord2f(coords[0], coords[1]);
 234                 glVertex3f(0.0, 0.0, 0.0);
 235                 glTexCoord2f(coords[2], coords[3]);
 236                 glVertex3f(1.0, 0.0, 0.0);
 237                 glTexCoord2f(coords[4], coords[5]);
 238                 glVertex3f(1.0, 1.0, 0.0);
 239                 glTexCoord2f(coords[6], coords[7]);
 240                 glVertex3f(0.0, 1.0, 0.0);
 241         glEnd();
 242
 243         font->getTileCoords('a', coords);
 244
 245         glBegin(GL_QUADS);
 246                 glTexCoord2f(coords[0], coords[1]);
 247                 glVertex3f(-1.0, -1.0, 0.0);
 248                 glTexCoord2f(coords[2], coords[3]);
 249                 glVertex3f(0.0, -1.0, 0.0);
 250                 glTexCoord2f(coords[4], coords[5]);
 251                 glVertex3f(0.0, 0.0, 0.0);
 252                 glTexCoord2f(coords[6], coords[7]);
 253                 glVertex3f(-1.0, 0.0, 0.0);
 254         glEnd();
 255
 256         font->getTileCoords('z', coords);
 257
 258         glBegin(GL_QUADS);
 259                 glTexCoord2f(coords[0], coords[1]);
 260                 glVertex3f(0.0, -1.0, 0.0);
 261                 glTexCoord2f(coords[2], coords[3]);
 262                 glVertex3f(1.0, -1.0, 0.0);
 263                 glTexCoord2f(coords[4], coords[5]);
 264                 glVertex3f(1.0, 0.0, 0.0);
 265                 glTexCoord2f(coords[6], coords[7]);
 266                 glVertex3f(0.0, 0.0, 0.0);
 267         glEnd();
 268
 269         glEnable(GL_BLEND);
 270         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 271         glDisable(GL_DEPTH_TEST);
 272
 273         glBindTexture(GL_TEXTURE_2D, 0);
 274         glColor4f(0.0f, 0.0f, 0.0f, 1.0f);
 275
 276         glBegin(GL_LINES);
 277                 glVertex2f(0.0f, 0.0f);
 278                 glVertex2fv(interp.getState(alpha).data());
 279         glEnd();
 280
 281         glColor4f(0.0f, 0.0f, 0.0f, fadeIn.getState(alpha));
 282         glRectf(-1.0f, -1.0f, 1.0f, 1.0f);
 283
 284         glDisable(GL_BLEND);
 285         glEnable(GL_DEPTH_TEST);
 286 }
 287
 288 void YoinkApp::handleEvent(const dc::event& e)
 289 {
 290         switch (e.type)
 291         {
 292                 case SDL_KEYDOWN:
 293                         if (e.key.keysym.sym == SDLK_ESCAPE)
 294                         {
 295                                 stop();
 296                         }
 297                         else if (e.key.keysym.sym == SDLK_f)
 298                         {
 299                                 getVideo().toggleFull();
 300                         }
 301                         else if (e.key.keysym.sym == SDLK_a)
 302                         {
 303                                 someChar->getAnimation().startSequence("Punch");
 304                         }
 305                         break;
 306
 307                 case SDL_QUIT:
 308                         stop();
 309                         break;
 310
 311                 case SDL_VIDEORESIZE:
 312                         glViewport(0, 0, e.resize.w, e.resize.h);
 313                         break;
 314         }
 315 }
 316
 317
 318
 319 int main(int argc, char* argv[])
 320 {
 321         YoinkApp app(argc, argv);
 322         return app.run();
 323 }
 324
 325 /** vim: set ts=4 sw=4 tw=80: *************************************************/
 326