/*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 "loadSave.h"/*Reads in each save game that it finds and gives it an appropriatedescription using the area variable contained in the game binarydata. It returns the slot number (1 - 10) of the most recentlyused file. On the title screen, this is used to determine whethera player can "Continue Current Game" and "Load Saved Game".*/int initSaveSlots(){	char fileName[PATH_MAX];	int imagePos = 350;	Game tempGame;	struct stat fileInfo;	int modTime = 0;	int continueSaveIndex = 0;	FILE *fp;	//READ SAVE GAME DATA	for (int i = 0 ; i < 5 ; i++)	{		sprintf(fileName, "%ssave%.2d.dat", engine.userHomeDirectory, (i + 1));		fp = fopen(fileName, "rb");		if (fp == NULL)		{			sprintf(saveSlot[i], "%.2d - Empty", (i + 1));			if (engine.gameSection == SECTION_TITLE)				graphics.textSurface(13 + i, saveSlot[i], -1, imagePos, FONT_WHITE);		}		else		{			if (fread(&tempGame, sizeof(Game), 1, fp) != 1)			{				sprintf(saveSlot[i], "%.2d - Corrupt Game Data", (i + 1));			}			else			{				sprintf(saveSlot[i], "%.2d - %s, %s", (i + 1), systemNames[tempGame.system], tempGame.stationedName);				if (engine.gameSection == SECTION_TITLE)					graphics.textSurface(13 + i, saveSlot[i], -1, imagePos, FONT_WHITE);			}			if (stat(fileName, &fileInfo) != -1)			{				if (fileInfo.st_mtime > modTime)					{modTime = fileInfo.st_mtime; continueSaveIndex = (i + 1);}			}			fclose(fp);		}		imagePos += 20;	}	return continueSaveIndex;}/*Fill in later...*/signed char loadGame(int slot){	char filename[PATH_MAX];	FILE *fp;	sprintf(filename, "%ssave%.2d.dat", engine.userHomeDirectory, slot);	fp = fopen(filename, "rb");	if (fp == NULL)		return 0;	if (fread(&currentGame, sizeof(Game), 1, fp) != 1)	{		printf("Save game error. The file was not of the expected format.\n");		fclose(fp);		return 0;	}	fclose(fp);	weapon[0] = currentGame.playerWeapon;	weapon[1] = currentGame.playerWeapon2;	player = currentGame.thePlayer;	// Re-init all the planets in this system...	initPlanetMissions(currentGame.system);	// ... and then override with completition status	for (int i = 0 ; i < 10 ; i++)		systemPlanet[i].missionCompleted = currentGame.missionCompleted[i];	return 1;}void saveGame(int slot){	if ((slot < 1) || (slot > 5))	{		printf("Error - Saves may only be 1 to 5\n");		return;	}	FILE *fp;	char fileName[PATH_MAX];	sprintf(fileName, "%ssave%.2d.dat", engine.userHomeDirectory, slot);	fp = fopen(fileName, "wb");	currentGame.playerWeapon = weapon[0];	currentGame.playerWeapon2 = weapon[1];	currentGame.thePlayer = player;	for (int i = 0 ; i < 10 ; i++)		currentGame.missionCompleted[i] = systemPlanet[i].missionCompleted;	if (fp != NULL)	{		if (fwrite(&currentGame, sizeof(Game), 1, fp) != 1)		{			printf("Error Saving Game to Slot %d\n", slot);		}		fclose(fp);	}	else	{		printf("Error Saving Game to Slot %d\n", slot);	}	// Recall to update the save slots... (lazy, yes)	initSaveSlots();	engine.keyState[SDLK_LCTRL] = engine.keyState[SDLK_RCTRL] = 0;}void createSavesSurface(SDL_Surface *savesSurface, signed char clickedSlot){	graphics.blevelRect(savesSurface, 0, 0, 348, 298, 0x00, 0x00, 0x00); 	int y = 10;	for (int i = 0 ; i < 5 ; i++)	{		if (clickedSlot == i)			graphics.blevelRect(savesSurface, 5, y, 338, 25, 0x99, 0x00, 0x00);		else			graphics.blevelRect(savesSurface, 5, y, 338, 25, 0x00, 0x00, 0x99);		graphics.drawString(saveSlot[i], 70, y + 5, FONT_WHITE, savesSurface);		y += 30;	}	graphics.drawString("*** HELP ***", 120, 170, FONT_WHITE, savesSurface);	switch(clickedSlot)	{		case 0:		case 1:		case 2:		case 3:		case 4:			graphics.blevelRect(savesSurface, 5, 265, 100, 25, 0x00, 0x99, 0x00);			graphics.blevelRect(savesSurface, 125, 265, 100, 25, 0x99, 0x99, 0x00);			graphics.blevelRect(savesSurface, 243, 265, 100, 25, 0x99, 0x00, 0x00);			graphics.drawString("SAVE", 40, 270, FONT_WHITE, savesSurface);			graphics.drawString("CANCEL", 150, 270, FONT_WHITE, savesSurface);			graphics.drawString("DELETE", 270, 270, FONT_WHITE, savesSurface);			graphics.drawString("SAVE will save the game", 17, 200, FONT_WHITE, savesSurface);			graphics.drawString("CANCEL will unselect that slot", 17, 220, FONT_WHITE, savesSurface);			graphics.drawString("DELETE will remove the save", 17, 240, FONT_WHITE, savesSurface);			break;		case -1:			graphics.drawString("First click a Save game slot to use", 17, 200, FONT_WHITE, savesSurface);			break;		case -10:			graphics.drawString("Game Saved", 130, 200, FONT_WHITE, savesSurface);			break;		case -11:			graphics.drawString("Save Deleted", 130, 200, FONT_WHITE, savesSurface);			break;	}	engine.keyState[SDLK_LCTRL] = engine.keyState[SDLK_RCTRL] = 0;}/*Displays the save slot available. For use with an interface thathas the cursor enabled. It returns the index number of the slot clickedso that the function invoking it can perform a load or save on that slot.*/int showSaveSlots(SDL_Surface *savesSurface, signed char saveSlot){	SDL_Rect r;	r.x = 201;	r.y = 115;	r.w = 348;	r.h = 25;	int clickedSlot = -1;	if ((engine.keyState[SDLK_LCTRL]) || (engine.keyState[SDLK_RCTRL]))	{		for (int i = 0 ; i < 5 ; i++)		{			if (Collision::collision(engine.cursor_x + 13, engine.cursor_y + 13, 6, 6, r.x, r.y, r.w, r.h))			{				clickedSlot = i;				createSavesSurface(savesSurface, i);			}			r.y += 30;		}		if (Collision::collision(engine.cursor_x + 13, engine.cursor_y + 13, 6, 6, 215, 365, 100, 25))		{			saveGame(saveSlot + 1);			createSavesSurface(savesSurface, -10);		}		if (Collision::collision(engine.cursor_x + 13, engine.cursor_y + 13, 6, 6, 335, 365, 100, 25))			createSavesSurface(savesSurface, -1);		if (Collision::collision(engine.cursor_x + 13, engine.cursor_y + 13, 6, 6, 453, 365, 100, 25))		{			char filename[PATH_MAX];			sprintf(filename, "%ssave%.2d.dat", engine.userHomeDirectory, (saveSlot + 1));			remove(filename);			initSaveSlots();			createSavesSurface(savesSurface, -11);		}	}	if (clickedSlot > -1)		saveSlot = clickedSlot;	return saveSlot;}