Import OA 0.8.8 tree

code/cgame/cg_challenges.c

@@ -0,0 +1,132 @@
+/*
+===========================================================================
+Copyright (C) 2008 Poul Sander
+
+This file is part of Open Arena source code.
+
+Open Arena source code 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.
+
+Open Arena source code 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 Open Arena source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+//#include "cg_local.h"
+#include "../qcommon/q_shared.h"
+#include "../renderer/tr_types.h"
+#include "../game/bg_public.h"
+#include "../game/challenges.h"
+#ifdef PARTofUI
+#include "../q3_ui/ui_local.h"
+#else
+#include "../cgame/cg_local.h"
+#endif
+
+#define FILENAME    "challenges.dat"
+
+//First two static variables that may only be accessed throgh functions in this file
+//The challengeTable is of constant size so there is room for more challenges being added in the furture
+static unsigned int challengeTable[CHALLENGES_MAX];
+//We have a variable to see if the system is initialized
+static qboolean challengesInitialized = qfalse;
+
+//This function initializes the challenge system. It has no effect if the system is already intialized.
+void challenges_init(void)
+{
+    fileHandle_t file;
+    int fileLen;
+    int i;
+
+//If already initialized then do nothing
+    if(challengesInitialized)
+        return;
+
+//Else open file
+    fileLen = trap_FS_FOpenFile(FILENAME, &file, FS_READ);
+
+//If the file not is big enough to contain all challenges then initialize from zero
+    if(fileLen<sizeof(challengeTable))
+    {
+	trap_FS_FCloseFile(file); //Lets remeber to close the file before all returns
+	for(i=0;i<CHALLENGES_MAX;i++)
+		challengeTable[i]=0; //Init all challenges to zero
+	challengesInitialized = qtrue; //Still consider the system loaded!
+        return; //Not enough data to actually read
+    }
+
+//If the file is big enough:
+	trap_FS_Read(challengeTable,sizeof(challengeTable),file);
+
+trap_FS_FCloseFile(file); //Lets remember to close the file
+    challengesInitialized = qtrue; //We are initialized!
+    return;
+}
+
+//This functions saves the challenges. It only needs to be called once for each game. It should be called from the shutdown function
+void challenges_save(void)
+{
+	fileHandle_t file;
+	int fileStatus;
+	int i;
+	if(!challengesInitialized)
+	{
+		//The challenge system has not been initialized and therefore cannot be saved
+		//CG_Printf("Challenge system not initialized.\n");
+        	return;
+	}
+	//Open the challenges file for writing:
+	fileStatus = trap_FS_FOpenFile(FILENAME, &file, FS_WRITE);
+	if(fileStatus<0)
+	{
+		//For some reason file opening failed
+                #ifndef PARTofUI
+		CG_Printf("Failed to open challenges.dat for writing\n");
+                #endif
+		return;
+	}
+	for(i=0;i<CHALLENGES_MAX;i++)
+	{
+		//Write the table to disk
+		trap_FS_Write((const void*)&challengeTable[i],sizeof(unsigned int),file);
+	}
+
+	//Always close the file in id tech 3
+	trap_FS_FCloseFile(file);
+	//Lets make the challenges system uninitialized since changes after this will most likely not be saved anyway.
+	challengesInitialized = qfalse;
+        #ifndef PARTofUI
+	CG_Printf("Wrote challenges.cfg\n");
+        #endif
+}
+
+//Get the number of times a given challenge has been completed
+unsigned int getChallenge(int challenge)
+{
+	challenges_init();
+	if(challenge>=CHALLENGES_MAX)
+		return 0;
+	return challengeTable[challenge];
+}
+
+void addChallenge(int challenge)
+{
+	if(challenge>=CHALLENGES_MAX)
+	{
+                #ifndef PARTofUI
+		CG_Printf("Challenge #%u is >=CHALLENGES_MAX\n",challenge);
+                #endif
+		return; //Maybe also print an error?	
+	}
+	challenges_init();
+	challengeTable[challenge]++;
+	//CG_Printf("Increased challenge #%u by one. Is now %u\n",challenge,challengeTable[challenge]);
+}