Merge branch 'public_next'

# Conflicts:
#	src/Makefile
#	src/lua_script.c
#	src/p_user.c
#	src/sdl/i_system.c
#	src/v_video.c
#	src/w_wad.c

src/Makefile

@@ -64,6 +64,7 @@
 #     Compile without 3D sound support, add 'NOHS=1'
 #     Compile with GDBstubs, add 'RDB=1'
 #     Compile without PNG, add 'NOPNG=1'
+#     Compile without zlib, add 'NOZLIB=1'
 #
 # Addon for SDL:
 #     To Cross-Compile, add 'SDL_CONFIG=/usr/*/bin/sdl-config'
@@ -107,6 +108,7 @@ include Makefile.cfg
 
 ifdef DUMMY
 NOPNG=1
+NOZLIB=1
 NONET=1
 NOHW=1
 NOHS=1
@@ -269,13 +271,6 @@ LIBS+=$(PNG_LDFLAGS)
 CFLAGS+=$(PNG_CFLAGS)
 endif
 
-ZLIB_PKGCONFIG?=zlib
-ZLIB_CFLAGS?=$(shell $(PKG_CONFIG) $(ZLIB_PKGCONFIG) --cflags)
-ZLIB_LDFLAGS?=$(shell $(PKG_CONFIG) $(ZLIB_PKGCONFIG) --libs)
-
-LIBS+=$(ZLIB_LDFLAGS)
-CFLAGS+=$(ZLIB_CFLAGS)
-
 ifdef HAVE_LIBGME
 OPTS+=-DHAVE_LIBGME
 
@@ -287,6 +282,18 @@ LIBS+=$(LIBGME_LDFLAGS)
 CFLAGS+=$(LIBGME_CFLAGS)
 endif
 
+ifndef NOZLIB
+OPTS+=-DHAVE_ZLIB
+ZLIB_PKGCONFIG?=zlib
+ZLIB_CFLAGS?=$(shell $(PKG_CONFIG) $(ZLIB_PKGCONFIG) --cflags)
+ZLIB_LDFLAGS?=$(shell $(PKG_CONFIG) $(ZLIB_PKGCONFIG) --libs)
+
+LIBS+=$(ZLIB_LDFLAGS)
+CFLAGS+=$(ZLIB_CFLAGS)
+else
+NOPNG=1
+endif
+
 ifdef STATIC
 LIBS:=-static $(LIBS)
 endif

src/hardware/hw_main.c

@@ -5270,7 +5270,9 @@ static void HWR_AddSprites(sector_t *sec)
 
 			approx_dist = P_AproxDistance(viewx-thing->x, viewy-thing->y);
 
-			if (approx_dist <= limit_dist)
+			if (approx_dist > limit_dist)
+				continue;
+
 			HWR_ProjectSprite(thing);
 		}
 	}
@@ -5293,7 +5295,9 @@ static void HWR_AddSprites(sector_t *sec)
 
 			approx_dist = P_AproxDistance(viewx-precipthing->x, viewy-precipthing->y);
 
-			if (approx_dist <= limit_dist)
+			if (approx_dist > limit_dist)
+				continue;
+
 			HWR_ProjectPrecipitationSprite(precipthing);
 		}
 	}
@@ -5624,6 +5628,16 @@ static void HWR_ProjectPrecipitationSprite(precipmobj_t *thing)
 	x1 = tr_x + x1 * rightcos;
 	x2 = tr_x - x2 * rightcos;
 
+	// okay, we can't return now... this is a hack, but weather isn't networked, so it should be ok
+	if (!(thing->precipflags & PCF_THUNK))
+	{
+		if (thing->precipflags & PCF_RAIN)
+			P_RainThinker(thing);
+		else
+			P_SnowThinker(thing);
+		thing->precipflags |= PCF_THUNK;
+	}
+
 	//
 	// store information in a vissprite
 	//

src/lua_script.c

@@ -193,25 +193,27 @@ void LUA_LoadLump(UINT16 wad, UINT16 lump)
 {
 	MYFILE f;
 	char *name;
-
+	size_t len;
 	f.wad = wad;
 	f.size = W_LumpLengthPwad(wad, lump);
 	f.data = Z_Malloc(f.size, PU_LUA, NULL);
 	W_ReadLumpPwad(wad, lump, f.data);
 	f.curpos = f.data;
 
+	len = strlen(wadfiles[wad]->filename); // length of file name
+
 	if (wadfiles[wad]->type == RET_LUA)
 	{
-		name = malloc(strlen(wadfiles[wad]->filename)+1);
+		name = malloc(len+1);
 		strcpy(name, wadfiles[wad]->filename);
 	}
 	else // If it's not a .lua file, copy the lump name in too.
 	{
 		lumpinfo_t *lump_p = &wadfiles[wad]->lumpinfo[lump];
-		size_t length = strlen(wadfiles[wad]->filename) + 1 + strlen(lump_p->name2); // length of file name, '|', and lump name
+		len += 1 + strlen(lump_p->name2); // length of file name, '|', and lump name
-		name = malloc(length + 1);
+		name = malloc(len+1);
 		sprintf(name, "%s|%s", wadfiles[wad]->filename, lump_p->name2);
-		name[length] = '\0';
+		name[len] = '\0';
 	}
 
 	LUA_LoadFile(&f, name); // actually load file!

src/p_mobj.c

@@ -4059,7 +4059,8 @@ void P_RecalcPrecipInSector(sector_t *sector)
 //
 void P_NullPrecipThinker(precipmobj_t *mobj)
 {
-	(void)mobj;
+	//(void)mobj;
+	mobj->precipflags &= ~PCF_THUNK;
 }
 
 void P_SnowThinker(precipmobj_t *mobj)
@@ -4079,25 +4080,26 @@ void P_RainThinker(precipmobj_t *mobj)
 	{
 		// cycle through states,
 		// calling action functions at transitions
-		if (mobj->tics > 0 && --mobj->tics == 0)
+		if (mobj->tics <= 0)
-		{
+			return;
-			// you can cycle through multiple states in a tic
+
-			if (!P_SetPrecipMobjState(mobj, mobj->state->nextstate))
+		if (--mobj->tics)
-				return; // freed itself
+			return;
-		}
+
+		if (!P_SetPrecipMobjState(mobj, mobj->state->nextstate))
+			return;
+
+		if (mobj->state != &states[S_RAINRETURN])
+			return;
 
-		if (mobj->state == &states[S_RAINRETURN])
-		{
 		mobj->z = mobj->ceilingz;
 		P_SetPrecipMobjState(mobj, S_RAIN1);
-		}
+
 		return;
 	}
 
 	// adjust height
-	mobj->z += mobj->momz;
+	if ((mobj->z += mobj->momz) <= mobj->floorz)
-
-	if (mobj->z <= mobj->floorz)
 	{
 		// no splashes on sky or bottomless pits
 		if (mobj->precipflags & PCF_PIT)
@@ -8921,14 +8923,15 @@ static precipmobj_t *P_SpawnPrecipMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype
 static inline precipmobj_t *P_SpawnRainMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 {
 	precipmobj_t *mo = P_SpawnPrecipMobj(x,y,z,type);
-	mo->thinker.function.acp1 = (actionf_p1)P_RainThinker;
+	mo->precipflags |= PCF_RAIN;
+	//mo->thinker.function.acp1 = (actionf_p1)P_RainThinker;
 	return mo;
 }
 
 static inline precipmobj_t *P_SpawnSnowMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 {
 	precipmobj_t *mo = P_SpawnPrecipMobj(x,y,z,type);
-	mo->thinker.function.acp1 = (actionf_p1)P_SnowThinker;
+	//mo->thinker.function.acp1 = (actionf_p1)P_SnowThinker;
 	return mo;
 }
 

src/p_mobj.h

@@ -254,6 +254,10 @@ typedef enum {
 	PCF_FOF = 4,
 	// Above MOVING FOF (this means we need to keep floorz up to date...)
 	PCF_MOVINGFOF = 8,
+	// Is rain.
+	PCF_RAIN = 16,
+	// Ran the thinker this tic.
+	PCF_THUNK = 32,
 } precipflag_t;
 // Map Object definition.
 typedef struct mobj_s

src/p_saveg.c

@@ -2121,8 +2121,7 @@ static void P_NetArchiveThinkers(void)
 	for (th = thinkercap.next; th != &thinkercap; th = th->next)
 	{
 		if (!(th->function.acp1 == (actionf_p1)P_RemoveThinkerDelayed
-		 || th->function.acp1 == (actionf_p1)P_RainThinker
+		 || th->function.acp1 == (actionf_p1)P_NullPrecipThinker))
-		 || th->function.acp1 == (actionf_p1)P_SnowThinker))
 			numsaved++;
 
 		if (th->function.acp1 == (actionf_p1)P_MobjThinker)
@@ -2131,8 +2130,7 @@ static void P_NetArchiveThinkers(void)
 			continue;
 		}
 #ifdef PARANOIA
-		else if (th->function.acp1 == (actionf_p1)P_RainThinker
+		else if (th->function.acp1 == (actionf_p1)P_NullPrecipThinker);
-			|| th->function.acp1 == (actionf_p1)P_SnowThinker);
 #endif
 		else if (th->function.acp1 == (actionf_p1)T_MoveCeiling)
 		{

src/p_spec.c

@@ -2226,8 +2226,7 @@ void P_SwitchWeather(INT32 weathernum)
 
 		for (think = thinkercap.next; think != &thinkercap; think = think->next)
 		{
-			if ((think->function.acp1 != (actionf_p1)P_SnowThinker)
+			if (think->function.acp1 != (actionf_p1)P_NullPrecipThinker)
-				&& (think->function.acp1 != (actionf_p1)P_RainThinker))
 				continue; // not a precipmobj thinker
 
 			precipmobj = (precipmobj_t *)think;
@@ -2243,14 +2242,12 @@ void P_SwitchWeather(INT32 weathernum)
 
 		for (think = thinkercap.next; think != &thinkercap; think = think->next)
 		{
-			if (swap == PRECIP_RAIN) // Snow To Rain
+			if (think->function.acp1 != (actionf_p1)P_NullPrecipThinker)
-			{
-				if (!(think->function.acp1 == (actionf_p1)P_SnowThinker
-					|| think->function.acp1 == (actionf_p1)P_NullPrecipThinker))
 				continue; // not a precipmobj thinker
-
 			precipmobj = (precipmobj_t *)think;
 
+			if (swap == PRECIP_RAIN) // Snow To Rain
+			{
 				precipmobj->flags = mobjinfo[MT_RAIN].flags;
 				st = &states[mobjinfo[MT_RAIN].spawnstate];
 				precipmobj->state = st;
@@ -2261,18 +2258,13 @@ void P_SwitchWeather(INT32 weathernum)
 
 				precipmobj->precipflags &= ~PCF_INVISIBLE;
 
-				think->function.acp1 = (actionf_p1)P_RainThinker;
+				precipmobj->precipflags |= PCF_RAIN;
+				//think->function.acp1 = (actionf_p1)P_RainThinker;
 			}
 			else if (swap == PRECIP_SNOW) // Rain To Snow
 			{
 				INT32 z;
 
-				if (!(think->function.acp1 == (actionf_p1)P_RainThinker
-					|| think->function.acp1 == (actionf_p1)P_NullPrecipThinker))
-					continue; // not a precipmobj thinker
-
-				precipmobj = (precipmobj_t *)think;
-
 				precipmobj->flags = mobjinfo[MT_SNOWFLAKE].flags;
 				z = M_RandomByte();
 
@@ -2290,19 +2282,13 @@ void P_SwitchWeather(INT32 weathernum)
 				precipmobj->frame = st->frame;
 				precipmobj->momz = mobjinfo[MT_SNOWFLAKE].speed;
 
-				precipmobj->precipflags &= ~PCF_INVISIBLE;
+				precipmobj->precipflags &= ~(PCF_INVISIBLE|PCF_RAIN);
 
-				think->function.acp1 = (actionf_p1)P_SnowThinker;
+				//think->function.acp1 = (actionf_p1)P_SnowThinker;
 			}
 			else if (swap == PRECIP_BLANK || swap == PRECIP_STORM_NORAIN) // Remove precip, but keep it around for reuse.
 			{
-				if (!(think->function.acp1 == (actionf_p1)P_RainThinker
+				//think->function.acp1 = (actionf_p1)P_NullPrecipThinker;
-					|| think->function.acp1 == (actionf_p1)P_SnowThinker))
-					continue;
-
-				precipmobj = (precipmobj_t *)think;
-
-				think->function.acp1 = (actionf_p1)P_NullPrecipThinker;
 
 				precipmobj->precipflags |= PCF_INVISIBLE;
 			}

src/p_tick.c

@@ -56,12 +56,12 @@ void Command_Numthinkers_f(void)
 		CONS_Printf(M_GetText("numthinkers <#>: Count number of thinkers\n"));
 		CONS_Printf(
 			"\t1: P_MobjThinker\n"
-			"\t2: P_RainThinker\n"
+			/*"\t2: P_RainThinker\n"
-			"\t3: P_SnowThinker\n"
+			"\t3: P_SnowThinker\n"*/
-			"\t4: P_NullPrecipThinker\n"
+			"\t2: P_NullPrecipThinker\n"
-			"\t5: T_Friction\n"
+			"\t3: T_Friction\n"
-			"\t6: T_Pusher\n"
+			"\t4: T_Pusher\n"
-			"\t7: P_RemoveThinkerDelayed\n");
+			"\t5: P_RemoveThinkerDelayed\n");
 		return;
 	}
 
@@ -73,27 +73,27 @@ void Command_Numthinkers_f(void)
 			action = (actionf_p1)P_MobjThinker;
 			CONS_Printf(M_GetText("Number of %s: "), "P_MobjThinker");
 			break;
-		case 2:
+		/*case 2:
 			action = (actionf_p1)P_RainThinker;
 			CONS_Printf(M_GetText("Number of %s: "), "P_RainThinker");
 			break;
 		case 3:
 			action = (actionf_p1)P_SnowThinker;
 			CONS_Printf(M_GetText("Number of %s: "), "P_SnowThinker");
-			break;
+			break;*/
-		case 4:
+		case 2:
 			action = (actionf_p1)P_NullPrecipThinker;
 			CONS_Printf(M_GetText("Number of %s: "), "P_NullPrecipThinker");
 			break;
-		case 5:
+		case 3:
 			action = (actionf_p1)T_Friction;
 			CONS_Printf(M_GetText("Number of %s: "), "T_Friction");
 			break;
-		case 6:
+		case 4:
 			action = (actionf_p1)T_Pusher;
 			CONS_Printf(M_GetText("Number of %s: "), "T_Pusher");
 			break;
-		case 7:
+		case 5:
 			action = (actionf_p1)P_RemoveThinkerDelayed;
 			CONS_Printf(M_GetText("Number of %s: "), "P_RemoveThinkerDelayed");
 			break;

src/p_user.c

@@ -8777,7 +8777,13 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 	subsector_t *newsubsec;
 	fixed_t f1, f2;
 
-	cameranoclip = (player->powers[pw_carry] == CR_NIGHTSMODE || player->pflags & PF_NOCLIP) || (player->mo->flags & (MF_NOCLIP|MF_NOCLIPHEIGHT)); // Noclipping player camera noclips too!!
+	// We probably shouldn't move the camera if there is no player or player mobj somehow
+	if (!player || !player->mo)
+		return true;
+
+	mo = player->mo;
+
+	cameranoclip = (player->powers[pw_carry] == CR_NIGHTSMODE || player->pflags & PF_NOCLIP) || (mo->flags & (MF_NOCLIP|MF_NOCLIPHEIGHT)); // Noclipping player camera noclips too!!
 
 	if (!(player->climbing || (player->powers[pw_carry] == CR_NIGHTSMODE) || player->playerstate == PST_DEAD))
 	{
@@ -8798,7 +8804,7 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 		else if (player == &players[secondarydisplayplayer])
 			focusangle = localangle2;
 		else
-			focusangle = player->mo->angle;
+			focusangle = mo->angle;
 		if (thiscam == &camera)
 			camrotate = cv_cam_rotate.value;
 		else if (thiscam == &camera2)
@@ -8810,17 +8816,9 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 		return true;
 	}
 
-	if (!player || !player->mo)
-		return true;
-
-	mo = player->mo;
-
 	thiscam->radius = FixedMul(20*FRACUNIT, mo->scale);
 	thiscam->height = FixedMul(16*FRACUNIT, mo->scale);
 
-	if (!mo)
-		return true;
-
 	// Don't run while respawning from a starpost
 	// Inu 4/8/13 Why not?!
 //	if (leveltime > 0 && timeinmap <= 0)
@@ -8828,7 +8826,7 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 
 	if (player->powers[pw_carry] == CR_NIGHTSMODE)
 	{
-		focusangle = player->mo->angle;
+		focusangle = mo->angle;
 		focusaiming = 0;
 	}
 	else if (player == &players[consoleplayer])
@@ -8843,7 +8841,7 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 	}
 	else
 	{
-		focusangle = player->mo->angle;
+		focusangle = mo->angle;
 		focusaiming = player->aiming;
 	}
 
@@ -8890,12 +8888,12 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 			angle = R_PointToAngle2(player->axis1->x, player->axis1->y, player->axis2->x, player->axis2->y);
 			angle += ANGLE_90;
 		}
-		else if (player->mo->target)
+		else if (mo->target)
 		{
-			if (player->mo->target->flags2 & MF2_AMBUSH)
+			if (mo->target->flags2 & MF2_AMBUSH)
-				angle = R_PointToAngle2(player->mo->target->x, player->mo->target->y, player->mo->x, player->mo->y);
+				angle = R_PointToAngle2(mo->target->x, mo->target->y, mo->x, mo->y);
 			else
-				angle = R_PointToAngle2(player->mo->x, player->mo->y, player->mo->target->x, player->mo->target->y);
+				angle = R_PointToAngle2(mo->x, mo->y, mo->target->x, mo->target->y);
 		}
 	}
 	else if (P_AnalogMove(player)) // Analog
@@ -8984,7 +8982,7 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 	if (twodlevel || (mo->flags2 & MF2_TWOD))
 	{
 		// Camera doesn't ALWAYS need to move, only when running...
-		if (abs(player->mo->momx) > 10)
+		if (abs(mo->momx) > 10)
 		{
 			// Move the camera all smooth-like, not jerk it around...
 			if (mo->momx > 0)
@@ -9302,13 +9300,13 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 			vy = thiscam->y;
 		}
 
-		if (P_AproxDistance(vx - player->mo->x, vy - player->mo->y) < FixedMul(48*FRACUNIT, mo->scale))
+		if (P_AproxDistance(vx - mo->x, vy - mo->y) < FixedMul(48*FRACUNIT, mo->scale))
-			player->mo->flags2 |= MF2_SHADOW;
+			mo->flags2 |= MF2_SHADOW;
 		else
-			player->mo->flags2 &= ~MF2_SHADOW;
+			mo->flags2 &= ~MF2_SHADOW;
 	}
 	else
-		player->mo->flags2 &= ~MF2_SHADOW;
+		mo->flags2 &= ~MF2_SHADOW;
 
 /*	if (!resetcalled && (player->powers[pw_carry] == CR_NIGHTSMODE && player->exiting))
 	{

src/r_things.c

@@ -1525,6 +1525,17 @@ static void R_ProjectPrecipitationSprite(precipmobj_t *thing)
 			return;
 	}
 
+	// okay, we can't return now except for vertical clipping... this is a hack, but weather isn't networked, so it should be ok
+	if (!(thing->precipflags & PCF_THUNK))
+	{
+		if (thing->precipflags & PCF_RAIN)
+			P_RainThinker(thing);
+		else
+			P_SnowThinker(thing);
+		thing->precipflags |= PCF_THUNK;
+	}
+
+
 	//SoM: 3/17/2000: Disregard sprites that are out of view..
 	gzt = thing->z + spritecachedinfo[lump].topoffset;
 	gz = gzt - spritecachedinfo[lump].height;
@@ -1642,7 +1653,9 @@ void R_AddSprites(sector_t *sec, INT32 lightlevel)
 
 			approx_dist = P_AproxDistance(viewx-thing->x, viewy-thing->y);
 
-			if (approx_dist <= limit_dist)
+			if (approx_dist > limit_dist)
+				continue;
+
 			R_ProjectSprite(thing);
 		}
 	}
@@ -1664,7 +1677,9 @@ void R_AddSprites(sector_t *sec, INT32 lightlevel)
 
 			approx_dist = P_AproxDistance(viewx-precipthing->x, viewy-precipthing->y);
 
-			if (approx_dist <= limit_dist)
+			if (approx_dist > limit_dist)
+				continue;
+
 			R_ProjectPrecipitationSprite(precipthing);
 		}
 	}

src/sdl/i_system.c

@@ -124,6 +124,10 @@ typedef LPVOID (WINAPI *p_MapViewOfFile) (HANDLE, DWORD, DWORD, DWORD, SIZE_T);
 #include "macosx/mac_resources.h"
 #endif
 
+#ifndef errno
+#include <errno.h>
+#endif
+
 // Locations for searching the srb2.pk3
 #if defined (__unix__) || defined(__APPLE__) || defined (UNIXCOMMON)
 #define DEFAULTWADLOCATION1 "/usr/local/share/games/SRB2"
@@ -1149,6 +1153,7 @@ static void I_ShutdownJoystick2(void)
 		D_PostEvent(&event);
 	}
 
+	joystick2_started = 0;
 	JoyReset(&JoyInfo2);
 	if (!joystick_started && !joystick2_started && SDL_WasInit(SDL_INIT_JOYSTICK) == SDL_INIT_JOYSTICK)
 	{
@@ -2090,7 +2095,6 @@ INT32 I_StartupSystem(void)
 	return 0;
 }
 
-
 //
 // I_Quit
 //
@@ -2696,7 +2700,30 @@ const char *I_LocateWad(void)
 #ifdef __linux__
 #define MEMINFO_FILE "/proc/meminfo"
 #define MEMTOTAL "MemTotal:"
+#define MEMAVAILABLE "MemAvailable:"
 #define MEMFREE "MemFree:"
+#define CACHED "Cached:"
+#define BUFFERS "Buffers:"
+#define SHMEM "Shmem:"
+
+/* Parse the contents of /proc/meminfo (in buf), return value of "name"
+ * (example: MemTotal) */
+static long get_entry(const char* name, const char* buf)
+{
+	long val;
+	char* hit = strstr(buf, name);
+	if (hit == NULL) {
+		return -1;
+	}
+
+	errno = 0;
+	val = strtol(hit + strlen(name), NULL, 10);
+	if (errno != 0) {
+		CONS_Alert(CONS_ERROR, M_GetText("get_entry: strtol() failed: %s\n"), strerror(errno));
+		return -1;
+	}
+	return val;
+}
 #endif
 
 // quick fix for compil
@@ -2758,6 +2785,11 @@ UINT32 I_GetFreeMem(UINT32 *total)
 	UINT32 totalKBytes;
 	INT32 n;
 	INT32 meminfo_fd = -1;
+	long Cached;
+	long MemFree;
+	long Buffers;
+	long Shmem;
+	long MemAvailable = -1;
 
 	meminfo_fd = open(MEMINFO_FILE, O_RDONLY);
 	n = read(meminfo_fd, buf, 1023);
@@ -2783,16 +2815,28 @@ UINT32 I_GetFreeMem(UINT32 *total)
 	memTag += sizeof (MEMTOTAL);
 	totalKBytes = atoi(memTag);
 
-	if ((memTag = strstr(buf, MEMFREE)) == NULL)
+	if ((memTag = strstr(buf, MEMAVAILABLE)) == NULL)
+	{
+		Cached = get_entry(CACHED, buf);
+		MemFree = get_entry(MEMFREE, buf);
+		Buffers = get_entry(BUFFERS, buf);
+		Shmem = get_entry(SHMEM, buf);
+		MemAvailable = Cached + MemFree + Buffers - Shmem;
+
+		if (MemAvailable == -1)
 		{
 			// Error
 			if (total)
 				*total = 0L;
 			return 0;
 		}
-
+		freeKBytes = MemAvailable;
-	memTag += sizeof (MEMFREE);
+	}
+	else
+	{
+		memTag += sizeof (MEMAVAILABLE);
 		freeKBytes = atoi(memTag);
+	}
 
 	if (total)
 		*total = totalKBytes << 10;

src/sdl/mixer_sound.c

@@ -38,10 +38,8 @@
 #include "gme/gme.h"
 #define GME_TREBLE 5.0
 #define GME_BASS 1.0
-#ifdef HAVE_PNG /// TODO: compile with zlib support without libpng
-
-#define HAVE_ZLIB
 
+#ifdef HAVE_ZLIB
 #ifndef _MSC_VER
 #ifndef _LARGEFILE64_SOURCE
 #define _LARGEFILE64_SOURCE
@@ -57,8 +55,8 @@
 #endif
 
 #include "zlib.h"
-#endif
+#endif // HAVE_ZLIB
-#endif
+#endif // HAVE_LIBGME
 
 UINT8 sound_started = false;
 
@@ -178,7 +176,7 @@ static Mix_Chunk *ds2chunk(void *stream)
 			return NULL; // would and/or did wrap, can't store.
 		break;
 	}
-	sound = malloc(newsamples<<2); // samples * frequency shift * bytes per sample * channels
+	sound = Z_Malloc(newsamples<<2, PU_SOUND, NULL); // samples * frequency shift * bytes per sample * channels
 
 	s = (SINT8 *)stream;
 	d = (INT16 *)sound;
@@ -246,6 +244,7 @@ void *I_GetSfx(sfxinfo_t *sfx)
 {
 	void *lump;
 	Mix_Chunk *chunk;
+	SDL_RWops *rw;
 #ifdef HAVE_LIBGME
 	Music_Emu *emu;
 	gme_info_t *info;
@@ -361,7 +360,7 @@ void *I_GetSfx(sfxinfo_t *sfx)
 		}
 		Z_Free(inflatedData); // GME didn't open jack, but don't let that stop us from freeing this up
 #else
-		//CONS_Alert(CONS_ERROR,"Cannot decompress VGZ; no zlib support\n");
+		return NULL; // No zlib support
 #endif
 	}
 	// Try to read it as a GME sound
@@ -387,13 +386,35 @@ void *I_GetSfx(sfxinfo_t *sfx)
 #endif
 
 	// Try to load it as a WAVE or OGG using Mixer.
-	return Mix_LoadWAV_RW(SDL_RWFromMem(lump, sfx->length), 1);
+	rw = SDL_RWFromMem(lump, sfx->length);
+	if (rw != NULL)
+	{
+		chunk = Mix_LoadWAV_RW(rw, 1);
+		return chunk;
+	}
+
+	return NULL; // haven't been able to get anything
 }
 
 void I_FreeSfx(sfxinfo_t *sfx)
 {
 	if (sfx->data)
+	{
+		Mix_Chunk *chunk = (Mix_Chunk*)sfx->data;
+		UINT8 *abufdata = NULL;
+		if (chunk->allocated == 0)
+		{
+			// We allocated the data in this chunk, so get the abuf from mixer, then let it free the chunk, THEN we free the data
+			// I believe this should ensure the sound is not playing when we free it
+			abufdata = chunk->abuf;
+		}
 		Mix_FreeChunk(sfx->data);
+		if (abufdata)
+		{
+			// I'm going to assume we used Z_Malloc to allocate this data.
+			Z_Free(abufdata);
+		}
+	}
 	sfx->data = NULL;
 	sfx->lumpnum = LUMPERROR;
 }
@@ -524,6 +545,7 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
 	char *data;
 	size_t len;
 	lumpnum_t lumpnum = W_CheckNumForName(va("O_%s",musicname));
+	SDL_RWops *rw;
 
 	I_Assert(!music);
 #ifdef HAVE_LIBGME
@@ -621,7 +643,8 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
 		}
 		Z_Free(inflatedData); // GME didn't open jack, but don't let that stop us from freeing this up
 #else
-		//CONS_Alert(CONS_ERROR,"Cannot decompress VGZ; no zlib support\n");
+		CONS_Alert(CONS_ERROR,"Cannot decompress VGZ; no zlib support\n");
+		return true;
 #endif
 	}
 	else if (!gme_open_data(data, len, &gme, 44100))
@@ -635,7 +658,11 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
 	}
 #endif
 
-	music = Mix_LoadMUS_RW(SDL_RWFromMem(data, len), SDL_FALSE);
+	rw = SDL_RWFromMem(data, len);
+	if (rw != NULL)
+	{
+		music = Mix_LoadMUS_RW(rw, 1);
+	}
 	if (!music)
 	{
 		CONS_Alert(CONS_ERROR, "Mix_LoadMUS_RW: %s\n", Mix_GetError());
@@ -798,7 +825,11 @@ void I_SetMIDIMusicVolume(UINT8 volume)
 
 INT32 I_RegisterSong(void *data, size_t len)
 {
-	music = Mix_LoadMUS_RW(SDL_RWFromMem(data, len), SDL_FALSE);
+	SDL_RWops *rw = SDL_RWFromMem(data, len);
+	if (rw != NULL)
+	{
+		music = Mix_LoadMUS_RW(rw, 1);
+	}
 	if (!music)
 	{
 		CONS_Alert(CONS_ERROR, "Mix_LoadMUS_RW: %s\n", Mix_GetError());

src/v_video.c

@@ -1045,7 +1045,7 @@ void V_DrawCroppedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_
 //
 void V_DrawContinueIcon(INT32 x, INT32 y, INT32 flags, INT32 skinnum, UINT8 skincolor)
 {
-	if (skins[skinnum].flags & SF_HIRES)
+	if (skinnum < 0 || skinnum >= numskins || (skins[skinnum].flags & SF_HIRES))
 		V_DrawScaledPatch(x - 10, y - 14, flags, W_CachePatchName("CONTINS", PU_CACHE));
 	else
 	{

src/w_wad.c

@@ -234,10 +234,10 @@ static inline void W_LoadDehackedLumps(UINT16 wadnum)
 		for (lump = 0; lump < wadfiles[wadnum]->numlumps; lump++, lump_p++)
 			if (memcmp(lump_p->name,"SOC_",4)==0) // Check for generic SOC lump
 			{	// shameless copy+paste of code from LUA_LoadLump
-				size_t length = strlen(wadfiles[wadnum]->filename) + 1 + strlen(lump_p->name2); // length of file name, '|', and lump name
+				size_t len = strlen(wadfiles[wadnum]->filename) + 1 + strlen(lump_p->name2); // length of file name, '|', and lump name
-				char *name = malloc(length + 1);
+				char *name = malloc(len+1);
 				sprintf(name, "%s|%s", wadfiles[wadnum]->filename, lump_p->name2);
-				name[length] = '\0';
+				name[len] = '\0';
 
 				CONS_Printf(M_GetText("Loading SOC from %s\n"), name);
 				DEH_LoadDehackedLumpPwad(wadnum, lump);

src/win32/win_snd.c

@@ -17,10 +17,8 @@
 #include "gme/gme.h"
 #define GME_TREBLE 5.0
 #define GME_BASS 1.0
-#ifdef HAVE_PNG /// TODO: compile with zlib support without libpng
-
-#define HAVE_ZLIB
 
+#ifdef HAVE_ZLIB
 #ifndef _MSC_VER
 #ifndef _LARGEFILE64_SOURCE
 #define _LARGEFILE64_SOURCE
@@ -36,8 +34,8 @@
 #endif
 
 #include "zlib.h"
-#endif
+#endif // HAVE_ZLIB
-#endif
+#endif // HAVE_LIBGME
 
 static FMOD_SYSTEM *fsys;
 static FMOD_SOUND *music_stream;