146 lines
3.4 KiB
C++
146 lines
3.4 KiB
C++
#include "main.h"
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#include <SDL.h>
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef WIN32
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#include <windows.h>
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#endif
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#include "audio.h"
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#include "run.h"
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#include "texture.h"
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#include "fight.h"
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#include "font.h"
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#include "3dutils.h"
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#include "glapi.h"
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int screenwidth=1024;
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int screenheight=768;
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int screenbpp;
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void exitProgram(int code){
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SDL_Quit();
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//uninitAudio();
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exit(code);
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}
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void changeResolution(int width, int height, bool fullscreen){
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int mode = SDL_OPENGL;
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if (fullscreen) mode |= SDL_FULLSCREEN;
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if (!SDL_SetVideoMode(width, height, screenbpp, mode)){
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fprintf(stderr,"Couldn't set %i*%i*%i opengl video mode: %s\n",screenwidth,screenheight,screenbpp,SDL_GetError());
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exitProgram(-1);
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}
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setupOpengl(width, height);
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screenwidth = width;
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screenheight = height;
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if (fullscreen) SDL_ShowCursor(SDL_DISABLE);
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else SDL_ShowCursor(SDL_ENABLE);
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initScenes();
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}
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bool keys[SDLK_LAST] = {false};
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void handleKeydown(SDL_keysym *keysym){
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keys[keysym->sym] = true;
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}
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void handleKeyup(SDL_keysym *keysym){
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keys[keysym->sym] = false;
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}
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void processEvents(void){
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SDL_Event event;
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while (SDL_PollEvent(&event)){
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switch (event.type){
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case SDL_KEYDOWN:
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handleKeydown(&event.key.keysym);
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break;
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case SDL_KEYUP:
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handleKeyup(&event.key.keysym);
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break;
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case SDL_VIDEORESIZE:
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screenwidth=event.resize.w;
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screenheight=event.resize.h;
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setupOpengl(screenwidth,screenheight);
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break;
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case SDL_QUIT:
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exitProgram(0);
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break;
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}
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}
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}
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int getTime(void){
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#ifdef WIN32
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return timeGetTime();
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#else
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return SDL_GetTicks();
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#endif
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}
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int main(int argc, char *argv[]){
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//printf("Initializing SDL.\n");
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if ((SDL_Init(SDL_INIT_VIDEO)==-1)){
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printf("Could not initialize SDL: %s.\n",SDL_GetError());
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exitProgram(-1);
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}
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const SDL_VideoInfo *info=SDL_GetVideoInfo();
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if (!info){
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printf("Could not get video info with SDL: %s.\n",SDL_GetError());
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exitProgram(-1);
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}
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screenbpp=info->vfmt->BitsPerPixel;
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
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SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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atexit(SDL_Quit);
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SDL_WM_SetCaption("BlockoFighter 2",NULL);
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initAudio();
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changeResolution(screenwidth, screenheight, false);
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//printf("SDL initialized.\n");
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double calculatefps = 200.0;
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int framecounter, oldframecounter = 0;
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int currenttime;
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int framesdrawn=0;
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int skipframes;
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int starttime = getTime();
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while (1){
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do{
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currenttime = getTime()-starttime;
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framecounter = calculatefps*currenttime/1000.0;
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} while (oldframecounter == framecounter);
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skipframes = framecounter - oldframecounter;
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for (; skipframes > 0; skipframes--){
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calculateFrame(++oldframecounter);
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}
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//calculateFrame(oldframecounter++);
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processEvents();
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drawFrame(framecounter);
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framesdrawn++;
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}
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return 0;
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}
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