272 lines
6.8 KiB
C++
272 lines
6.8 KiB
C++
/*
|
|
Copyright (C) 2003 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 "init.h"
|
|
|
|
/*
|
|
Initalises a whole load of variables
|
|
*/
|
|
void initVars()
|
|
{
|
|
srand(time(NULL));
|
|
|
|
for (int i = 0 ; i < 200 ; i++)
|
|
{
|
|
star[i].x = rand() % 800;
|
|
star[i].y = rand() % 600;
|
|
star[i].speed = 1 + (rand() % 3);
|
|
}
|
|
|
|
// These are good values for sound and music
|
|
|
|
if (engine.useAudio)
|
|
{
|
|
Mix_Volume(-1, 25);
|
|
Mix_VolumeMusic((int)engine.musicVolume);
|
|
}
|
|
}
|
|
|
|
/*
|
|
Something went wrong. This stops the game, present the error message and
|
|
prompts the user to press space or ctrl to exit the game. This is unlikely to
|
|
be seen by people unless something really stoopid happens!
|
|
*/
|
|
void showErrorAndExit(int errorId, const char *name)
|
|
{
|
|
graphics.clearScreen(graphics.black);
|
|
|
|
if (errorId != 2)
|
|
{
|
|
graphics.drawString("A file error has occurred", -1, 200, FONT_RED);
|
|
}
|
|
else
|
|
{
|
|
printf("Couldn't create or write to directory '%s'\n", name);
|
|
exit(1);
|
|
}
|
|
|
|
char string[255];
|
|
|
|
switch(errorId)
|
|
{
|
|
case 0:
|
|
strcpy(string, "");
|
|
sprintf(string, "%s was not found in the Starfighter data package", name);
|
|
graphics.drawString(string, -1, 250, FONT_WHITE);
|
|
graphics.drawString("Please try again. If this error persists, contact Parallel Realities", -1, 275, FONT_WHITE);
|
|
graphics.drawString("or reinstall the game", -1, 300, FONT_WHITE);
|
|
break;
|
|
case 1:
|
|
graphics.drawString("Project: Starfighter encountered an error whilst", -1, 250, FONT_WHITE);
|
|
graphics.drawString("attempting to load game data. Please try running", -1, 275, FONT_WHITE);
|
|
graphics.drawString("the game again. If the errors persist, reinstall the game", -1, 300, FONT_WHITE);
|
|
break;
|
|
case 2:
|
|
graphics.drawString("Project: Starfighter encountered a critical error", -1, 250, FONT_WHITE);
|
|
graphics.drawString("while attempting to perform a required program function.", -1, 275, FONT_WHITE);
|
|
graphics.drawString("Please contact Parallel Realities with details", -1, 300, FONT_WHITE);
|
|
break;
|
|
}
|
|
|
|
graphics.drawString("Project: Starfighter will now exit", -1, 450, FONT_WHITE);
|
|
graphics.drawString("Press Space to continue", -1, 475, FONT_WHITE);
|
|
|
|
engine.keyState[SDLK_SPACE] = 0;
|
|
|
|
while (!engine.keyState[SDLK_SPACE])
|
|
{
|
|
getPlayerInput();
|
|
graphics.updateScreen();
|
|
}
|
|
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
This bit is just for Linux users. It attempts to get the user's
|
|
home directory, then creates the .parallelrealities and .parallelrealities/starfighter
|
|
directories so that saves and temporary data files can be written there. Good, eh? :)
|
|
*/
|
|
#if LINUX
|
|
void setupUserHomeDirectory()
|
|
{
|
|
char *userHome;
|
|
|
|
char *name = getlogin();
|
|
|
|
passwd *pass;
|
|
|
|
if (name != NULL)
|
|
pass = getpwnam(name);
|
|
else
|
|
pass = getpwuid(geteuid());
|
|
|
|
if (pass == NULL)
|
|
{
|
|
printf("Couldn't determine the user home directory. Exitting.\n");
|
|
exit(1);
|
|
}
|
|
|
|
userHome = pass->pw_dir;
|
|
|
|
char dir[PATH_MAX];
|
|
strcpy(dir, "");
|
|
|
|
sprintf(dir, "%s/.parallelrealities", userHome);
|
|
if ((mkdir(dir, S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH) != 0) && (errno != EEXIST))
|
|
showErrorAndExit(2, dir);
|
|
|
|
sprintf(dir, "%s/.parallelrealities/starfighter", userHome);
|
|
if ((mkdir(dir, S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH) != 0) && (errno != EEXIST))
|
|
showErrorAndExit(2, dir);
|
|
|
|
sprintf(engine.userHomeDirectory, "%s/.parallelrealities/starfighter/", userHome);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
Chugg chugg chugg.... brrr... chugg chugg chugg...brrrrrr... chugg ch..
|
|
BRRRRRRRRRRRRRRRRRMMMMMMMMMMMMMMMMMMM!! Well, hopefully anyway! ;)
|
|
*/
|
|
void initSystem()
|
|
{
|
|
strcpy(engine.userHomeDirectory, "");
|
|
|
|
#if LINUX
|
|
setupUserHomeDirectory();
|
|
#endif
|
|
|
|
/* Initialize the SDL library */
|
|
if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO) < 0) {
|
|
printf("Couldn't initialize SDL: %s\n", SDL_GetError());
|
|
exit(1);
|
|
}
|
|
|
|
currentGame.useSound = 1;
|
|
currentGame.useMusic = 1;
|
|
currentGame.fullScreen = 0;
|
|
|
|
char filename[PATH_MAX];
|
|
int fullScreen = 0, useSound = 1, useMusic = 1;
|
|
|
|
FILE *fp;
|
|
sprintf(filename, "%sconf", engine.userHomeDirectory);
|
|
fp = fopen(filename, "rb");
|
|
|
|
if (fp != NULL)
|
|
{
|
|
fscanf(fp, "%d %d %d", &fullScreen, &useSound, &useMusic);
|
|
fclose(fp);
|
|
}
|
|
|
|
currentGame.fullScreen = fullScreen;
|
|
currentGame.useSound = useSound;
|
|
currentGame.useMusic = useMusic;
|
|
|
|
SDL_WM_SetCaption("Project: Starfighter", "starfighter");
|
|
SDL_WM_SetIcon(loadImage("gfx/alienDevice.png"), NULL);
|
|
|
|
if (currentGame.fullScreen)
|
|
graphics.screen = SDL_SetVideoMode(800, 600, 0, SDL_DOUBLEBUF|SDL_HWPALETTE|SDL_FULLSCREEN);
|
|
else
|
|
graphics.screen = SDL_SetVideoMode(800, 600, 0, SDL_DOUBLEBUF|SDL_HWPALETTE);
|
|
|
|
if (graphics.screen == NULL) {
|
|
printf("Couldn't set 800x600x16 video mode: %s\n", SDL_GetError());
|
|
exit(1);
|
|
}
|
|
|
|
if (engine.useAudio)
|
|
{
|
|
if (Mix_OpenAudio(22050, AUDIO_S16, engine.useAudio, 1024) < 0)
|
|
{
|
|
printf("Warning: Couldn't set 22050 Hz 16-bit audio - Reason: %s\n", Mix_GetError());
|
|
printf("Sound and Music will be disabled\n");
|
|
engine.useAudio = 0;
|
|
}
|
|
}
|
|
|
|
SDL_ShowCursor(SDL_DISABLE);
|
|
SDL_EventState(SDL_MOUSEMOTION, SDL_DISABLE);
|
|
}
|
|
|
|
/*
|
|
Removes [hopefully] all the resources that has been
|
|
loaded and created during the game. This is called by
|
|
atexit();
|
|
*/
|
|
void cleanUp()
|
|
{
|
|
printf("Cleaning Up...\n");
|
|
printf("Freeing Graphics\n");
|
|
graphics.freeGraphics();
|
|
printf("Freeing Background\n");
|
|
SDL_FreeSurface(graphics.background);
|
|
printf("Freeing Sounds\n");
|
|
freeSound();
|
|
printf("Resetting Lists\n");
|
|
resetLists();
|
|
delete(engine.bulletHead);
|
|
delete(engine.explosionHead);
|
|
delete(engine.collectableHead);
|
|
delete(graphics.bufferHead);
|
|
|
|
printf("Freeing Font\n");
|
|
for (int i = 0 ; i < MAX_FONTSHAPES ; i++)
|
|
{
|
|
if (graphics.fontShape[i] != NULL)
|
|
SDL_FreeSurface(graphics.fontShape[i]);
|
|
}
|
|
|
|
printf("Removing Mod\n");
|
|
char filename[PATH_MAX];
|
|
strcpy(filename, "");
|
|
|
|
sprintf(filename, "%smusic.mod", engine.userHomeDirectory);
|
|
remove(filename);
|
|
|
|
sprintf(filename, "%smusic.s3m", engine.userHomeDirectory);
|
|
remove(filename);
|
|
|
|
if (engine.useAudio)
|
|
{
|
|
printf("Closing Audio\n");
|
|
Mix_CloseAudio();
|
|
}
|
|
|
|
// Save the config using current settings
|
|
FILE *fp;
|
|
sprintf(filename, "%sconf", engine.userHomeDirectory);
|
|
fp = fopen(filename, "wb");
|
|
if (fp != NULL)
|
|
{
|
|
fprintf(fp, "%d %d %d\n", currentGame.fullScreen, currentGame.useSound, currentGame.useMusic);
|
|
fclose(fp);
|
|
}
|
|
else
|
|
{
|
|
printf("Error saving config\n");
|
|
}
|
|
|
|
SDL_Quit();
|
|
printf("Done Cleaning Up...\nThank You for playing Starfighter\n");
|
|
}
|
|
|