Merge branch 'master' into cleanup

Conflicts:
	CHANGELOG
	src/g_combat.c
	src/g_func.c
	src/g_items.c

CHANGELOG

@@ -1,3 +1,11 @@
+The Reckoning 1.08 to 1.09
+- Port 'The Reckoning' to Mac OS X.
+
+The Reckoning 1.07 to 1.08
+- Port 'The Reckoning' to Windows.
+- Use randk() instead of rand(), a better PNRG.
+- Fix some potential problems found by scan-build.
+
 The Reckoning 1.06 to 1.07
 - Port the new savegame system from baseq2
 - Reorder the files to reflect the new structure of baseq2

Makefile

@@ -2,7 +2,7 @@
 # Makefile for the xatrix game module for Quake II      #
 #                                                       #
 # Just type "make" to compile the                       #
-#  - The Reckoning Game (game.so)                       #
+#  - The Reckoning Game (game.so / game.dll)            #
 #                                                       #
 # Dependencies:                                         #
 # - None, but you need a Quake II to play.              #
@@ -10,28 +10,32 @@
 #   Yamagi Quake II ist recommended.                    #
 #                                                       #
 # Platforms:                                            #
-# - Linux                                               #
 # - FreeBSD                                             #
+# - Linux                                               #
+# - Windows                                             #
 # ----------------------------------------------------- #
 
-# Check the OS type
+# Detect the OS
+ifdef SystemRoot
+OSTYPE := Windows
+else
 OSTYPE := $(shell uname -s)
+endif
 
-# Some plattforms call it "amd64" and some "x86_64"
+# Detect the architecture
+ifeq ($(OSTYPE), Windows)
+# At this time only i386 is supported on Windows
+ARCH := i386
+else
+# Some platforms call it "amd64" and some "x86_64"
 ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/amd64/x86_64/)
+endif
 
-# Refuse all other plattforms as a firewall against PEBKAC
+# Refuse all other platforms as a firewall against PEBKAC
 # (You'll need some #ifdef for your unsupported  plattform!)
-ifneq ($(ARCH),i386)
-ifneq ($(ARCH),x86_64)
+ifeq ($(findstring $(ARCH), i386 x86_64 sparc64 ia64),)
 $(error arch $(ARCH) is currently not supported)
 endif
-endif
-
-# ----------
-
-# The compiler
-CC := gcc
 
 # ----------
 
@@ -53,13 +57,22 @@ CC := gcc
 # -fPIC for position independend code.
 #
 # -MMD to generate header dependencies.
+ifeq ($(OSTYPE), Darwin)
 CFLAGS := -O2 -fno-strict-aliasing -fomit-frame-pointer \
-		  -fPIC -Wall -pipe -g -MMD
+		  -Wall -pipe -g -arch i386 -arch x86_64 
+else
+CFLAGS := -O2 -fno-strict-aliasing -fomit-frame-pointer \
+		  -Wall -pipe -g -MMD
+endif
 
 # ----------
 
 # Base LDFLAGS.
+ifeq ($(OSTYPE), Darwin)
+LDFLAGS := -shared -arch i386 -arch x86_64 
+else
 LDFLAGS := -shared
+endif
 
 # ----------
 
@@ -68,23 +81,59 @@ all: xatrix
 
 # ----------
 
+# When make is invoked by "make VERBOSE=1" print
+# the compiler and linker commands.
+
+ifdef VERBOSE
+Q :=
+else
+Q := @
+endif
+
+# ----------
+
+# Phony targets
+.PHONY : all clean xatrix
+
+# ----------
+
 # Cleanup
+ifeq ($(OSTYPE), Windows)
 clean:
 	@echo "===> CLEAN"
-	@rm -Rf build release
+	@-rmdir /S /Q release build 
+else
+clean:
+	@echo "===> CLEAN"
+	${Q}rm -Rf build release
+endif
 
 # ----------
 
 # The xatrix game
+ifeq ($(OSTYPE), Windows)
 xatrix:
-	@echo '===> Building game.so'
-	@mkdir -p release/
+	@echo "===> Building game.dll"
+	${Q}tools/mkdir.exe -p release
+	${MAKE} release/game.dll
+
+build/%.o: %.c
+	@echo "===> CC $<"
+	${Q}tools/mkdir.exe -p $(@D)
+	${Q}$(CC) -c $(CFLAGS) -o $@ $<
+else
+xatrix:
+	@echo "===> Building game.so"
+	${Q}mkdir -p release
 	$(MAKE) release/game.so
 
 build/%.o: %.c
-	@echo '===> CC $<'
-	@mkdir -p $(@D)
-	@$(CC) -c $(CFLAGS) -o $@ $<
+	@echo "===> CC $<"
+	${Q}mkdir -p $(@D)
+	${Q}$(CC) -c $(CFLAGS) -o $@ $<
+
+release/game.so : CFLAGS += -fPIC
+endif
  
 # ----------
 
@@ -140,6 +189,7 @@ XATRIX_OBJS_ = \
 	src/player/weapon.o \
 	src/savegame/savegame.o \
 	src/shared/flash.o \
+	src/shared/rand.o \
 	src/shared/shared.o 
 
 # ----------
@@ -159,8 +209,14 @@ XATRIX_DEPS= $(XATRIX_OBJS:.o=.d)
 
 # ----------
 
+ifeq ($(OSTYPE), Windows)
+release/game.dll : $(XATRIX_OBJS)
+	@echo "===> LD $@"
+	${Q}$(CC) $(LDFLAGS) -o $@ $(XATRIX_OBJS)
+else
 release/game.so : $(XATRIX_OBJS)
-	@echo '===> LD $@'
-	@$(CC) $(LDFLAGS) -o $@ $(XATRIX_OBJS)
+	@echo "===> LD $@"
+	${Q}$(CC) $(LDFLAGS) -o $@ $(XATRIX_OBJS)
+endif
  
 # ----------

README

@@ -4,10 +4,36 @@ fixed, this version should run much more stable than the the old
 SDK version. It must be used with the "Yamagi Quake II Client".
 For more information visit http://www.yamagi.org/quake2. 
 
-Installation:
+Installation for FreeBSD, Linux and OpenBSD:
+--------------------------------------------
 1. Type "make" or "gmake" to compile the game.so.
 2. Create a subdirectory xatrix/ in your quake2 directory.
 3. Copy pak0.pak and videos/ from the the Reckoning CD to
    the newly created directory xatrix/.
 4. Copy release/game.so to xatrix/.
 5. Start the game with "./quake2 +set game xatrix"
+
+Installation for OS X:
+----------------------
+1. Create a subdirectory xatrix/ in your quake2 directory.
+2. Copy pak0.pak and videos/ from the the Reckoning CD to
+   the newly created directory xatrix/.
+3. Copy game.dll from the zip-archive to xatrix/.
+4. Start the game with "quake2 +set game xatrix"
+
+If you want to compile 'xatrix' for OS X from source, please take a
+look at the "Installation" section of the README of the Yamagi Quake II
+client. In the same file the integration into an app-bundle is
+explained.
+
+Installation for Windows:
+-------------------------
+1. Create a subdirectory xatrix\ in your quake2 directory.
+2. Copy pak0.pak and videos\ from the the Reckoning CD to
+   the newly created directory xatrix\.
+3. Copy game.dll from the zip-archive to xatrix/.
+4. Start the game with "quake2.exe +set game xatrix"
+
+If you want to compile 'xatrix' for Windows from source, please take a
+look at the "Installation" section of the README of the Yamagi Quake II
+client. There's descripted how to setup the build environment.

src/g_chase.c

@@ -16,7 +16,6 @@ UpdateChaseCam(edict_t *ent)
 	vec3_t forward, right;
 	trace_t trace;
 	int i;
-	vec3_t oldgoal;
 	vec3_t angles;
 
 	if (!ent)
@@ -42,7 +41,6 @@ UpdateChaseCam(edict_t *ent)
 	targ = ent->client->chase_target;
 
 	VectorCopy(targ->s.origin, ownerv);
-	VectorCopy(ent->s.origin, oldgoal);
 
 	ownerv[2] += targ->viewheight;
 

src/g_combat.c

@@ -155,11 +155,11 @@ Killed(edict_t *targ, edict_t *inflictor, edict_t *attacker,
 void
 SpawnDamage(int type, vec3_t origin, vec3_t normal, int damage)
 {
-	gi.WriteByte(svc_temp_entity);
-	gi.WriteByte(type);
-	gi.WritePosition(origin);
-	gi.WriteDir(normal);
-	gi.multicast(origin, MULTICAST_PVS);
+	gi.WriteByte (svc_temp_entity);
+	gi.WriteByte (type);
+	gi.WritePosition (origin);
+	gi.WriteDir (normal);
+	gi.multicast (origin, MULTICAST_PVS);
 }
 
 /*

src/g_func.c

@@ -543,10 +543,7 @@ plat_blocked(edict_t *self, edict_t *other)
 		if (other)
 		{
 			/* Hack for entity without it's origin near the model */
-			vec3_t save;
-			VectorCopy(other->s.origin, save);
-			VectorMA(other->absmin, 0.5, other->size, other->s.origin);
-
+			VectorMA (other->absmin, 0.5, other->size, other->s.origin);
 			BecomeExplosion1(other);
 		}
 
@@ -1382,6 +1379,9 @@ door_use(edict_t *self, edict_t *other /* unused */, edict_t *activator)
          
 	edict_t *ent;
 
+	if (!self)
+		return;
+
 	if (self->flags & FL_TEAMSLAVE)
 	{
 		return;
@@ -1579,10 +1579,7 @@ door_blocked(edict_t *self, edict_t *other)
 		if (other)
 		{
 			/* Hack for entitiy without their origin near the model */
-			vec3_t save;
-			VectorCopy(other->s.origin, save);
-			VectorMA(other->absmin, 0.5, other->size, other->s.origin);
-
+			VectorMA (other->absmin, 0.5, other->size, other->s.origin);
 			BecomeExplosion1(other);
 		}
 
@@ -2109,10 +2106,7 @@ train_blocked(edict_t *self, edict_t *other)
 		if (other)
 		{
 			/* Hack for entity without an origin near the model */			
-			vec3_t save;
-			VectorCopy(other->s.origin, save);
-			VectorMA(other->absmin, 0.5, other->size, other->s.origin);
-
+			VectorMA (other->absmin, 0.5, other->size, other->s.origin);
 			BecomeExplosion1(other);
 		}
 
@@ -2809,10 +2803,7 @@ door_secret_blocked(edict_t *self, edict_t *other)
 		if (other)
 		{
 			/* Hack for entities without their origin near the model */
-			vec3_t save;
-			VectorCopy(other->s.origin, save);
-			VectorMA(other->absmin, 0.5, other->size, other->s.origin);
-
+			VectorMA (other->absmin, 0.5, other->size, other->s.origin);
 			BecomeExplosion1(other);
 		}
 

src/g_items.c

@@ -141,7 +141,7 @@ DoRespawn(edict_t *ent)
 		{
 		}
 
-		choice = rand() % count;
+		choice = count ? randk() % count : 0;
 
 		for (count = 0, ent = master; count < choice; ent = ent->chain, count++)
 		{

src/g_main.c

@@ -120,6 +120,9 @@ GetGameAPI(game_import_t *import)
 
 	globals.edict_size = sizeof(edict_t);
 
+	/* Initalize the PRNG */
+	randk_seed();
+
 	return &globals;
 }
 

src/g_monster.c

@@ -79,12 +79,6 @@ void dabeam_hit (edict_t *self)
 	vec3_t	start;
 	vec3_t	end;
 	trace_t	tr;
-	int		count;
-
-	if (self->spawnflags & 0x80000000)
-		count = 8;
-	else
-		count = 4;
 
 	ignore = self;
 	VectorCopy (self->s.origin, start);

src/g_phys.c

@@ -494,7 +494,6 @@ qboolean SV_Push (edict_t *pusher, vec3_t move, vec3_t amove)
 {
 	int			i, e;
 	edict_t		*check, *block;
-	vec3_t		mins, maxs;
 	pushed_t	*p;
 	vec3_t		org, org2, move2, forward, right, up;
 	vec3_t		realmins, realmaxs;
@@ -512,13 +511,6 @@ qboolean SV_Push (edict_t *pusher, vec3_t move, vec3_t amove)
 		move[i] = 0.125 * (int)temp;
 	}
 
-	// find the bounding box
-	for (i=0 ; i<3 ; i++)
-	{
-		mins[i] = pusher->absmin[i] + move[i];
-		maxs[i] = pusher->absmax[i] + move[i];
-	}
-
 	// we need this for pushing things later
 	VectorSubtract (vec3_origin, amove, org);
 	AngleVectors (org, forward, right, up);

src/g_target.c

@@ -396,15 +396,6 @@ speed	default is 1000
 
 void use_target_blaster (edict_t *self, edict_t *other, edict_t *activator)
 {
-	int effect;
-
-	if (self->spawnflags & 2)
-		effect = 0;
-	else if (self->spawnflags & 1)
-		effect = EF_HYPERBLASTER;
-	else
-		effect = EF_BLASTER;
-
 	fire_blaster (self, self->s.origin, self->movedir, self->dmg, self->speed, EF_BLASTER, MOD_TARGET_BLASTER);
 	gi.sound (self, CHAN_VOICE, self->noise_index, 1, ATTN_NORM, 0);
 }

src/g_weapon.c

@@ -687,6 +687,9 @@ void fire_rail (edict_t *self, vec3_t start, vec3_t aimdir, int damage, int kick
 	int		mask;
 	qboolean	water;
 
+	if (!self)
+		return;
+
 	VectorMA (start, 8192, aimdir, end);
 	VectorCopy (start, from);
 	ignore = self;
@@ -1041,7 +1044,6 @@ void heat_think (edict_t *self)
 	edict_t		*target = NULL;
 	edict_t		*aquire = NULL;
 	vec3_t		vec;
-	vec3_t		oldang;
 	int			len;
 	int			oldlen = 0;
 
@@ -1078,11 +1080,8 @@ void heat_think (edict_t *self)
 
 	if (aquire != NULL)
 	{
-		VectorCopy (self->s.angles, oldang);
 		VectorSubtract (aquire->s.origin, self->s.origin, vec);
-		
 		vectoangles (vec, self->s.angles);
-		
 		VectorNormalize (vec);
 		VectorCopy (vec, self->movedir);
 		VectorScale (vec, 500, self->velocity);

src/header/local.h

@@ -505,8 +505,8 @@ extern	edict_t			*g_edicts;
 #define	LLOFS(x) (size_t)&(((level_locals_t *)NULL)->x)
 #define	CLOFS(x) (size_t)&(((gclient_t *)NULL)->x)
 
-#define random()	((rand () & 0x7fff) / ((float)0x7fff))
-#define crandom()	(2.0 * (random() - 0.5))
+#define random() ((randk() & 0x7fff) / ((float)0x7fff))
+#define crandom() (2.0 * (random() - 0.5))
 
 extern	cvar_t	*maxentities;
 extern	cvar_t	*deathmatch;

src/header/shared.h

@@ -19,7 +19,7 @@
 #include <time.h>
 
 typedef unsigned char byte;
-typedef enum {false, true}  qboolean;
+typedef enum {false, true} qboolean;
 
 #ifndef NULL
  #define NULL ((void *)0)
@@ -35,7 +35,12 @@ typedef enum {false, true}  qboolean;
 #define MAX_TOKEN_CHARS 128         /* max length of an individual token */
 
 #define MAX_QPATH 64                /* max length of a quake game pathname */
+
+#ifdef _WIN32
+#define MAX_OSPATH 256             /* max length of a filesystem pathname (same as MAX_PATH) */
+#else
 #define MAX_OSPATH 128              /* max length of a filesystem pathname */
+#endif
 
 /* */
 /* per-level limits */
@@ -178,6 +183,8 @@ void Com_sprintf(char *dest, int size, char *fmt, ...);
 
 void Com_PageInMemory(byte *buffer, int size);
 
+char *strlwr ( char *s );
+
 /* ============================================= */
 
 /* portable case insensitive compare */
@@ -209,6 +216,14 @@ void Info_RemoveKey(char *s, char *key);
 void Info_SetValueForKey(char *s, char *key, char *value);
 qboolean Info_Validate(char *s);
 
+/* ============================================= */
+
+/* Random number generator */
+int  randk(void);
+float frandk(void);
+float crandk(void);
+void randk_seed(void);
+
 /*
  * ==============================================================
  *
@@ -221,7 +236,6 @@ extern int curtime; /* time returned by last Sys_Milliseconds */
 
 int Sys_Milliseconds(void);
 void Sys_Mkdir(char *path);
-void Sys_Rmdir(char *path);
 char *strlwr(char *s);
 
 /* large block stack allocation routines */

src/monster/boss2/boss2.c

@@ -479,7 +479,6 @@ qboolean Boss2_CheckAttack (edict_t *self)
 	vec3_t	temp;
 	float	chance;
 	trace_t	tr;
-	qboolean	enemy_infront;
 	int			enemy_range;
 	float		enemy_yaw;
 
@@ -498,7 +497,6 @@ qboolean Boss2_CheckAttack (edict_t *self)
 			return false;
 	}
 	
-	enemy_infront = infront(self, self->enemy);
 	enemy_range = range(self, self->enemy);
 	VectorSubtract (self->enemy->s.origin, self->s.origin, temp);
 	enemy_yaw = vectoyaw(temp);

src/monster/boss3/boss31.c

@@ -511,12 +511,6 @@ void jorg_firebullet (edict_t *self)
 
 void jorg_attack(edict_t *self)
 {
-	vec3_t	vec;
-	float	range;
-	
-	VectorSubtract (self->enemy->s.origin, self->s.origin, vec);
-	range = VectorLength (vec);
-
 	if (random() <= 0.75)
 	{
 		gi.sound (self, CHAN_VOICE, sound_attack1, 1, ATTN_NORM,0);
@@ -551,7 +545,6 @@ qboolean Jorg_CheckAttack (edict_t *self)
 	vec3_t	temp;
 	float	chance;
 	trace_t	tr;
-	qboolean	enemy_infront;
 	int			enemy_range;
 	float		enemy_yaw;
 
@@ -570,7 +563,6 @@ qboolean Jorg_CheckAttack (edict_t *self)
 			return false;
 	}
 	
-	enemy_infront = infront(self, self->enemy);
 	enemy_range = range(self, self->enemy);
 	VectorSubtract (self->enemy->s.origin, self->s.origin, temp);
 	enemy_yaw = vectoyaw(temp);

src/monster/boss3/boss32.c

@@ -588,16 +588,9 @@ void makron_sight(edict_t *self, edict_t *other)
 
 void makron_attack(edict_t *self)
 {
-	vec3_t	vec;
-	float	range;
 	float	r;
-
 	r = random();
 
-	VectorSubtract (self->enemy->s.origin, self->s.origin, vec);
-	range = VectorLength (vec);
-
-
 	if (r <= 0.3)
 		self->monsterinfo.currentmove = &makron_move_attack3;
 	else if (r <= 0.6)
@@ -697,7 +690,6 @@ qboolean Makron_CheckAttack (edict_t *self)
 	vec3_t	temp;
 	float	chance;
 	trace_t	tr;
-	qboolean	enemy_infront;
 	int			enemy_range;
 	float		enemy_yaw;
 
@@ -716,7 +708,6 @@ qboolean Makron_CheckAttack (edict_t *self)
 			return false;
 	}
 	
-	enemy_infront = infront(self, self->enemy);
 	enemy_range = range(self, self->enemy);
 	VectorSubtract (self->enemy->s.origin, self->s.origin, temp);
 	enemy_yaw = vectoyaw(temp);

src/monster/fixbot/fixbot.c

@@ -212,7 +212,7 @@ void roam_goal (edict_t *self)
 	vec3_t		end;
 	edict_t		*ent;
 	vec3_t		dang;
-	int			len, oldlen, whichi, i;
+	int			len, oldlen, i;
 	vec3_t		vec;
 	vec3_t		whichvec;
 
@@ -227,7 +227,6 @@ void roam_goal (edict_t *self)
 	gi.linkentity (ent);
 
 	oldlen = 0;
-	whichi = 0;
 	for (i=0; i<12; i++) 
 	{
 		
@@ -1116,8 +1115,6 @@ void fixbot_fire_welder (edict_t *self)
 {
 	vec3_t	start;
 	vec3_t	forward, right, up;
-	vec3_t	end;
-	vec3_t	dir;
 	vec3_t  vec;
 	float	r;
 	
@@ -1132,10 +1129,6 @@ void fixbot_fire_welder (edict_t *self)
 	AngleVectors (self->s.angles, forward, right, up);
 	G_ProjectSource (self->s.origin, vec, forward, right, start);
 
-	VectorCopy (self->enemy->s.origin, end);
-	
-	VectorSubtract (end, start, dir);
-
 	gi.WriteByte (svc_temp_entity);
 	gi.WriteByte (TE_WELDING_SPARKS);
 	gi.WriteByte (10);

src/player/hud.c

@@ -160,7 +160,6 @@ void DeathmatchScoreboardMessage (edict_t *ent, edict_t *killer)
 	int		sorted[MAX_CLIENTS];
 	int		sortedscores[MAX_CLIENTS];
 	int		score, total;
-	int		picnum;
 	int		x, y;
 	gclient_t	*cl;
 	edict_t		*cl_ent;
@@ -203,7 +202,6 @@ void DeathmatchScoreboardMessage (edict_t *ent, edict_t *killer)
 		cl = &game.clients[sorted[i]];
 		cl_ent = g_edicts + 1 + sorted[i];
 
-		picnum = gi.imageindex ("i_fixme");
 		x = (i>=6) ? 160 : 0;
 		y = 32 + 32 * (i%6);
 
@@ -367,11 +365,9 @@ G_SetStats
 void G_SetStats (edict_t *ent)
 {
 	gitem_t		*item;
-	int			index, cells;
+	int			index, cells = 0;
 	int			power_armor_type;
 
-        cells = 0;
-
 	//
 	// health
 	//

src/player/weapon.c

@@ -1571,24 +1571,20 @@ void weapon_ionripper_fire (edict_t *ent)
 	vec3_t	offset;
 	vec3_t	tempang;
 	int		damage;
-	int		kick;
 
 	if (deathmatch->value)
 	{
 		// tone down for deathmatch
 		damage = 30;
-		kick = 40;
 	}
 	else
 	{
 		damage = 50;
-		kick = 60;
 	}
 	
 	if (is_quad)
 	{
 		damage *= 4;
-		kick *= 4;
 	}
 
 	VectorCopy (ent->client->v_angle, tempang);

src/savegame/savegame.c

@@ -66,8 +66,14 @@
  */
 #if defined(__FreeBSD__)
  #define OS "FreeBSD"
+#elif defined(__APPLE__)
+ #define OS "MacOS X"
+#elif defined(__OpenBSD__)
+ #define OS "OpenBSD"
 #elif defined(__linux__)
  #define OS "Linux"
+#elif defined(_WIN32)
+ #define OS "Windows"
 #else
  #define OS "Unknown"
 #endif
@@ -76,6 +82,10 @@
  #define ARCH "i386"
 #elif defined(__x86_64__)
  #define ARCH "amd64"
+#elif defined(__ia64__)
+ #define ARCH "ia64"
+#elif defined(__sparc__)
+ #define ARCH "sparc64"
 #else
  #define ARCH "unknown"
 #endif

src/shared/rand.c

@@ -0,0 +1,97 @@
+/*
+ * KISS PRNG (c) 2011 Shinobu
+ *
+ * This file was optained from zuttobenkyou.wordpress.com
+ * and modified by the Yamagi Quake II developers.
+ *
+ * LICENSE: Public domain
+ *
+ * =======================================================================
+ *
+ * KISS PRNG, as devised by Dr. George Marsaglia
+ *
+ * =======================================================================
+ */
+
+#include <stdint.h>
+
+#define QSIZE 0x200000
+#define CNG (cng = 6906969069ULL * cng + 13579)
+#define XS (xs ^= (xs << 13), xs ^= (xs >> 17), xs ^= (xs << 43))
+#define KISS (B64MWC() + CNG + XS)
+
+static uint64_t QARY[QSIZE];
+static int j;
+static uint64_t carry;
+static uint64_t xs;
+static uint64_t cng;
+  
+uint64_t
+B64MWC(void)
+{
+	uint64_t t, x;
+
+	j = (j + 1) & (QSIZE - 1);
+	x = QARY[j];
+	t = (x << 28) + carry;
+	carry = (x >> 36) - (t < x);
+	return QARY[j] = t - x;
+} 
+
+/* 
+ * Generate a pseudorandom 
+ * integer >0. 
+ */
+int
+randk(void)
+{
+	int r;
+
+	r = (int)KISS;
+	r = (r < 0) ? (r * -1) : r;
+
+	return r;
+}
+
+/*
+ * Generate a pseudorandom
+ * signed float between 
+ * 0 and 1.
+ */
+float
+frandk(void)
+{
+	return (randk()&32767)* (1.0/32767);
+}
+
+/* Generate a pseudorandom
+ * float between -1 and 1.
+ */
+float
+crandk(void)
+{
+	return (randk()&32767)* (2.0/32767) - 1;
+}
+
+/*
+ * Seeds the PRNG
+ */
+void
+randk_seed(void)
+{
+	uint64_t i;
+
+	/* Seed QARY[] with CNG+XS: */
+	for (i = 0; i < QSIZE; i++)
+	{
+		QARY[i] = CNG + XS;
+	}
+
+	/* Run through several rounds 
+	   to warm up the state */
+	for (i = 0; i < 256; i++)
+	{
+		randk();
+	}
+}
+

src/shared/shared.c

@@ -6,6 +6,8 @@
  * =======================================================================
  */
 
+#include <ctype.h>
+
 #include "../header/shared.h"
 
 #define DEG2RAD(a) (a * M_PI) / 180.0F
@@ -773,8 +775,8 @@ BigShort(short l)
 
 short
 LittleShort(short l)
-{return 
-	_LittleShort(l); 
+{
+	return _LittleShort(l);
 }
 
 int
@@ -875,6 +877,7 @@ Swap_Init(void)
 		_LittleLong = LongNoSwap;
 		_BigFloat = FloatSwap;
 		_LittleFloat = FloatNoSwap;
+		Com_Printf("Byte ordering: little endian\n\n");
 	}
 	else
 	{
@@ -885,7 +888,11 @@ Swap_Init(void)
 		_LittleLong = LongSwap;
 		_BigFloat = FloatNoSwap;
 		_LittleFloat = FloatSwap;
+		Com_Printf("Byte ordering: big endian\n\n");
 	}
+
+	if (LittleShort(*(short *)swaptest) != 1)
+		assert("Error in the endian conversion!");
 }
 
 /*
@@ -1085,13 +1092,29 @@ Com_sprintf(char *dest, int size, char *fmt, ...)
 	if ((len >= size) || (len == size))
 	{
 		Com_Printf("Com_sprintf: overflow\n");
-		len = size - 1;
+
+		dest = NULL;
+		return;
 	}
 
 	bigbuffer[size - 1] = '\0';
 	strcpy(dest, bigbuffer);
 }
 
+char *
+strlwr ( char *s )
+{
+	char *p = s;
+
+	while ( *s )
+	{
+		*s = tolower( *s );
+		s++;
+	}
+
+	return ( p );
+}
+
 /*
  * =====================================================================
  *
@@ -1313,4 +1336,3 @@ Info_SetValueForKey(char *s, char *key, char *value)
 
 	*s = 0;
 }
-