tbftss/src/main.c

/*
Copyright (C) 2015 Parallel Realities

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include "main.h"

int main(int argc, char *argv[])
{
	float td;
	long then, lastFrameTime, frames;
	
	SDL_Event event;
	
	memset(&app, 0, sizeof(App));
	
	atexit(cleanup);

	srand(time(NULL));
	
	setlocale(LC_NUMERIC, "");

	initSDL();
	
	initGameSystem();
	
	if (argc > 1)
	{
		loadTestMission(argv[1]);
	}
	else
	{
		initTitle();
	}
	
	app.fps = frames = td = 0;
	then = SDL_GetTicks();
	lastFrameTime = SDL_GetTicks() + 1000;
	
	while (1)
	{
		td += (SDL_GetTicks() - then);
		
		then = SDL_GetTicks();
		
		while (SDL_PollEvent(&event))
		{
			switch (event.type)
			{
				case SDL_KEYDOWN:
					if (event.key.keysym.scancode >= 0 && event.key.keysym.scancode < MAX_KEYBOARD_KEYS)
					{
						app.keyboard[event.key.keysym.scancode] = 1;
					}
					break;
					
				case SDL_KEYUP:
					if (event.key.keysym.scancode >= 0 && event.key.keysym.scancode < MAX_KEYBOARD_KEYS)
					{
						app.keyboard[event.key.keysym.scancode] = 0;
					}
					break;

				case SDL_QUIT:
					exit(0);
					break;
			}
		}
		
		while (td >= LOGIC_RATE)
		{
			app.delegate.logic();
			td -= LOGIC_RATE;
			
			game.stats[STAT_TIME]++;
		}

		app.delegate.draw();
		
		frames++;
		
		if (SDL_GetTicks() > lastFrameTime)
		{
			app.fps = frames;
			frames = 0;
			lastFrameTime = SDL_GetTicks() + 1000;
			
			/*saveScreenshot();*/
		}

		SDL_Delay(1);
	}

	return 0;
}