/*Copyright (C) 2003 Parallel RealitiesThis program is free software; you can redistribute it and/ormodify it under the terms of the GNU General Public Licenseas published by the Free Software Foundation; either version 2of 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 ofMERCHANTABILITY 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 Licensealong with this program; if not, write to the Free SoftwareFoundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.*/#include <stdlib.h>#include <string.h>#include "SDL/SDL.h"#include "SDL/SDL_image.h"#include "SDL/SDL_mixer.h"#include "defs.h"#include "structs.h"#include "classes.h"extern void resetLists();extern void setMission(int mission);extern void missionBriefScreen();extern void initPlayer();extern void initAliens();extern signed char allMissionsCompleted();extern void getPlayerInput();extern void leaveSector();extern void doStarfield();extern void doCollectables();extern void doCargo();extern void doBullets();extern void doAliens();extern void doPlayer();extern void doExplosions();extern void doDebris();extern void doInfo();extern signed char allMissionsCompleted();extern signed char checkPauseRequest();extern signed char addAlien();extern void missionFinishedScreen();extern void gameover();extern void clearInfoLines();extern signed char missionFailed();extern void playSound(int sid);extern void loadScriptEvents();extern void doCutscene(int scene);extern void addCollectable(float x, float y, int type, int value, int life);extern void doCredits();extern void updateSystemStatus();extern void saveGame(int slot);extern void flushInput();extern void initWeapons();extern void initMissions();extern void initCargo();extern void initPlanetMissions(signed char system);extern globalEngineVariables engine;extern object player;extern object enemy[MAX_ALIENS];extern mission currentMission;extern Game currentGame;extern Graphics graphics;