Stilllegung des Forums
Das Forum wurde am 05.06.2023 nach über 20 Jahren stillgelegt (weitere Informationen und ein kleiner Rückblick).
Registrierungen, Anmeldungen und Postings sind nicht mehr möglich. Öffentliche Inhalte sind weiterhin zugänglich.
Das Team von spieleprogrammierer.de bedankt sich bei der Community für die vielen schönen Jahre.
Wenn du eine deutschsprachige Spieleentwickler-Community suchst, schau doch mal im Discord und auf ZFX vorbei!
Werbeanzeige
C-/C++-Quelltext |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 |
// the headers #include "SDL.h" #include "SDL/SDL_image.h" #include "SDL/SDL_ttf.h" #include <iostream> #include <string> #include <fstream> // the attributes of the screen const int SCREEN_WIDTH = 800; const int SCREEN_HEIGHT = 600; const int SCREEN_BPP = 32; // the surfaces that will be used SDL_Surface *screen = NULL; SDL_Surface *gras = NULL; SDL_Surface *hero = NULL; SDL_Surface *hero2 = NULL; // the event structure that will be used SDL_Event event; // the font that will be used TTF_Font *font = NULL; // the color of the font SDL_Color textColor = {255, 255, 255}; SDL_Color background = {0, 0, 0}; // file stream for the game log std::ofstream logger ("log.txt"); void log (std::string message) { // write message to the file logger << message << std::endl; // flush the buffer logger.flush(); } SDL_Surface *load_image (std::string filename) { // temp storage for the surface SDL_Surface *loadedImage = NULL; //optimized image that will be used SDL_Surface *optimizedImage = NULL; // load the image loadedImage = IMG_Load( filename.c_str()); // create the optimized image optimizedImage = SDL_DisplayFormat (loadedImage); // free the old image SDL_FreeSurface(loadedImage); // check for loading errors if (loadedImage != NULL) { // map the color key Uint32 colorkey = SDL_MapRGB(optimizedImage->format, 0, 0xFF, 0xFF); // set all pixels in the colorkey to be transparent SDL_SetColorKey(optimizedImage, SDL_SRCCOLORKEY, colorkey); } // return the optimized image return optimizedImage; } void apply_surface (int x, int y, SDL_Surface *source, SDL_Surface *destination) { // make a temp rect for holding the offset SDL_Rect offset; // gives the offsets to the rectangle offset.x = x; offset.y = y; // blit the surfaces SDL_BlitSurface(source, NULL, destination, &offset); } bool init() { // init the SDL log("Initializing..."); if (SDL_Init(SDL_INIT_EVERYTHING) == -1) { // quit app return 1; } // setup the screen log("Set screen..."); screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, SDL_SWSURFACE); // if there was a error with the screen setup if (screen == NULL) { return 1; } // init SDL_ttf log("set font..."); if (TTF_Init() == -1) { return false; } // set the window caption SDL_WM_SetCaption("SDL GAME", NULL); // no problem? return true; } bool load_files() { // load the images hero = load_image("gfx/foo.bmp"); gras = load_image("gfx/grasbig.bmp"); // open the font font = TTF_OpenFont("fonts/lazy.ttf", 20); if (font == NULL) { return false; } if (gras == NULL) { return false; } // if (hero == NULL) // { // return false; // } return true; } // cleaning up void clean_up() { // free the images // SDL_FreeSurface(hero); SDL_FreeSurface(gras); SDL_FreeSurface(hero2); // close the used font TTF_CloseFont(font); // quit sdl_ttf TTF_Quit(); // quit SDL_Quit(); } int heroX = 0; int heroY = 0; //int heroSpeedX = heroSpeedY = 5; int main(int argc, char *args[]) { // make sure the app waits for quit bool quit = false; log("init in main function..."); // init if (init() == false) { return 1; } log("load the files..."); if ( load_files() == false) { return 1; } log ("render text..."); // render the text hero2 = TTF_RenderText_Solid(font, "@", textColor); if (hero2 == NULL) { return 1; } log("blitting...."); // apply the background to the screen // apply_surface(0, 0, gras, screen); // // draw the hero as @ on the screen apply_surface(heroX, heroY, hero2, screen); // // apply the hero to the screen // apply_surface(400, 300, hero, screen); log("update screen ..."); // update the screen if (SDL_Flip(screen) == -1) { return 1; } // while the user hadnt quit while (quit == false) { // while there's an event to handle while (SDL_PollEvent(&event)) { // if the user has Xed out the window if (event.type == SDL_QUIT) { // quit the app quit = true; } } // get the keystates Uint8 *keystates = SDL_GetKeyState(NULL); if (keystates[SDLK_UP]) { if (heroY > 0) { heroY = heroY - 17; apply_surface(heroX, heroY, hero2, screen); } else { heroY = 0; apply_surface(heroX, heroY, hero2, screen); } } if (keystates[SDLK_DOWN]) { if (heroY < SCREEN_HEIGHT) { heroY = heroY + 17; apply_surface(heroX, heroY, hero2, screen); } else { heroY = SCREEN_HEIGHT; apply_surface(heroX, heroY, hero2, screen); } } if (keystates[SDLK_LEFT]) { heroX = heroX - 17; apply_surface(heroX, heroY, hero2, screen); } if (keystates[SDLK_RIGHT]) { heroX = heroX + 17; apply_surface(heroX, heroY, hero2, screen); } log("update screen ..."); // update the screen if (SDL_Flip(screen) == -1) { return 1; } } clean_up(); // return return 0; } |
Community-Fossil
Beruf: Teamleiter Mobile Applikationen & Senior Software Engineer
Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »BlueCobold« (14.07.2012, 23:37)