tbftss/src/main.c

216 lines
3.7 KiB
C

/*
Copyright (C) 2015-2018 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"
static void handleMissionArgs(int argc, char *argv[]);
static void handleLoggingArgs(int argc, char *argv[]);
static void capFrameRate(long *then, float *remainder);
int main(int argc, char *argv[])
{
long then, lastFrameTime, frames;
float remainder;
memset(&app, 0, sizeof(App));
memset(&dev, 0, sizeof(Dev));
handleLoggingArgs(argc, argv);
atexit(cleanup);
srand(time(NULL));
init18N(argc, argv);
initLookups();
initSDL(argc, argv);
initGameSystem();
createScreenshotFolder();
if (fileExists(getSaveFilePath(SAVE_FILENAME)))
{
loadGame();
}
handleMissionArgs(argc, argv);
remainder = 0;
dev.fps = frames = 0;
then = SDL_GetTicks();
lastFrameTime = SDL_GetTicks() + 1000;
while (1)
{
capFrameRate(&then, &remainder);
doInput();
if (app.modalDialog.type != MD_NONE)
{
doModalDialog();
}
/* let the delegate decide during logic() */
app.doTrophyAlerts = 0;
app.delegate.logic();
if (app.doTrophyAlerts)
{
doTrophyAlerts();
}
game.stats[STAT_TIME]++;
/* always zero the mouse motion */
app.mouse.dx = app.mouse.dy = 0;
prepareScene();
app.delegate.draw();
if (app.doTrophyAlerts)
{
drawTrophyAlert();
}
if (app.modalDialog.type != MD_NONE)
{
drawModalDialog();
}
presentScene();
doDevKeys();
frames++;
if (SDL_GetTicks() > lastFrameTime)
{
dev.fps = frames;
frames = 0;
lastFrameTime = SDL_GetTicks() + 1000;
if (dev.takeScreenshots)
{
saveScreenshot();
}
}
if (isControl(CONTROL_SCREENSHOT))
{
saveScreenshot();
clearControl(CONTROL_SCREENSHOT);
}
/* don't save more than once per request, and not in the middle of battle */
if (app.saveGame && battle.status != MS_IN_PROGRESS)
{
saveGame();
app.saveGame = 0;
}
SDL_Delay(1);
}
return 0;
}
static void capFrameRate(long *then, float *remainder)
{
long wait;
wait = 16 + *remainder;
*remainder -= (int)*remainder;
wait -= (SDL_GetTicks() - *then);
if (wait < 1)
{
wait = 1;
}
SDL_Delay(wait);
*remainder += 0.667;
*then = SDL_GetTicks();
}
static void handleLoggingArgs(int argc, char *argv[])
{
int i;
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_WARN);
for (i = 1 ; i < argc ; i++)
{
if (strcmp(argv[i], "-debug") == 0)
{
dev.debug = 1;
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG);
}
if (strcmp(argv[i], "-info") == 0)
{
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
}
}
}
static void handleMissionArgs(int argc, char *argv[])
{
int i, testingMission, showCredits;
showCredits = testingMission = 0;
for (i = 1 ; i < argc ; i++)
{
/* assume this is filename for testing */
if (strcmp(argv[i], "-mission") == 0)
{
loadTestMission(argv[++i]);
testingMission = 1;
}
if (strcmp(argv[i], "-credits") == 0)
{
showCredits = 1;
}
}
if (showCredits)
{
initCredits();
}
else if (!testingMission)
{
initTitle();
}
}