- made the initial weave index for A_BishopMissileWeave and A_CStaffMissileSlither

a configurable actor property.
- added a menu item for snd_channels.



SVN r2036 (trunk)

docs/rh-log.txt

@@ -1,3 +1,8 @@
+December 23, 2009  (Changes by Graf Zahl)
+- made the initial weave index for A_BishopMissileWeave and A_CStaffMissileSlither
+  a configurable actor property.
+- added a menu item for snd_channels.
+
 December 20, 2009  (Changes by Graf Zahl)
 - Fixed: The Dehacked parser could read past the end of the file if the last
   element was improperly defined.

src/actor.h

@@ -764,6 +764,7 @@ public:
 	DWORD			flags6;			// Shit! Where did all the flags go?
 	int				special1;		// Special info
 	int				special2;		// Special info
+	int				weaveindex;		// Separated from special2 because it's used by globally accessible functions.
 	int 			health;
 	BYTE			movedir;		// 0-7
 	SBYTE			visdir;

src/g_hexen/a_bishop.cpp

@@ -60,7 +60,6 @@ DEFINE_ACTION_FUNCTION(AActor, A_BishopAttack2)
 	if (mo != NULL)
 	{
 		mo->tracer = self->target;
-		mo->special2 = 16; // High word == x/y, Low word == z
 	}
 	self->special1--;
 }
@@ -77,10 +76,12 @@ DEFINE_ACTION_FUNCTION(AActor, A_BishopMissileWeave)
 	int weaveXY, weaveZ;
 	int angle;
 
-	if (self->special2 == 0) self->special2 = 16;
+	// for compatibility this needs to set the value itself if it was never done by the projectile itself
+	if (self->weaveindex == -1) self->weaveindex = 16;
 
-	weaveXY = self->special2 >> 16;
+	// since these values are now user configurable we have to do a proper range check to avoid array overflows.
-	weaveZ = self->special2 & 0xFFFF;
+	weaveXY = (self->weaveindex >> 16) & 63;
+	weaveZ = (self->weaveindex & 63);
 	angle = (self->angle + ANG90) >> ANGLETOFINESHIFT;
 	newX = self->x - FixedMul (finecosine[angle], FloatBobOffsets[weaveXY]<<1);
 	newY = self->y - FixedMul (finesine[angle], FloatBobOffsets[weaveXY]<<1);
@@ -91,7 +92,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_BishopMissileWeave)
 	self->z -= FloatBobOffsets[weaveZ];
 	weaveZ = (weaveZ + 2) & 63;
 	self->z += FloatBobOffsets[weaveZ];	
-	self->special2 = weaveZ + (weaveXY<<16);
+	self->weaveindex = weaveZ + (weaveXY<<16);
 }
 
 //============================================================================

src/g_hexen/a_clericstaff.cpp

@@ -135,12 +135,12 @@ DEFINE_ACTION_FUNCTION(AActor, A_CStaffAttack)
 	mo = P_SpawnPlayerMissile (self, RUNTIME_CLASS(ACStaffMissile), self->angle-(ANG45/15));
 	if (mo)
 	{
-		mo->special2 = 32;
+		mo->weaveindex = 32;
 	}
 	mo = P_SpawnPlayerMissile (self, RUNTIME_CLASS(ACStaffMissile), self->angle+(ANG45/15));
 	if (mo)
 	{
-		mo->special2 = 0;
+		mo->weaveindex = 0;
 	}
 	S_Sound (self, CHAN_WEAPON, "ClericCStaffFire", 1, ATTN_NORM);
 }
@@ -157,7 +157,10 @@ DEFINE_ACTION_FUNCTION(AActor, A_CStaffMissileSlither)
 	int weaveXY;
 	int angle;
 
-	weaveXY = self->special2;
+	if (self->weaveindex == -1) self->weaveindex = 0;
+
+	// since these values are now user configurable we have to do a proper range check to avoid array overflows.
+	weaveXY = self->weaveindex & 63;
 	angle = (self->angle+ANG90)>>ANGLETOFINESHIFT;
 	newX = self->x-FixedMul(finecosine[angle], FloatBobOffsets[weaveXY]);
 	newY = self->y-FixedMul(finesine[angle], FloatBobOffsets[weaveXY]);
@@ -165,7 +168,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_CStaffMissileSlither)
 	newX += FixedMul(finecosine[angle], FloatBobOffsets[weaveXY]);
 	newY += FixedMul(finesine[angle], FloatBobOffsets[weaveXY]);
 	P_TryMove (self, newX, newY, true);
-	self->special2 = weaveXY;
+	self->weaveindex = weaveXY;
 }
 
 //============================================================================

src/m_options.cpp

@@ -94,6 +94,7 @@ EXTERN_CVAR(Bool, hud_althud)
 EXTERN_CVAR(Int, compatmode)
 EXTERN_CVAR (Bool, vid_vsync)
 EXTERN_CVAR(Bool, displaynametags)
+EXTERN_CVAR (Int, snd_channels)
 
 //
 // defaulted values
@@ -1252,6 +1253,7 @@ static menuitem_t SoundItems[] =
 	{ discrete, "Underwater reverb",	{&snd_waterreverb},		{2.0}, {0.0},	{0.0}, {OnOff} },
 	{ slider,	"Underwater cutoff",	{&snd_waterlp},			{0.0}, {2000.0},{50.0}, {NULL} },
 	{ discrete, "Randomize pitches",	{&snd_pitched},			{2.0}, {0.0},	{0.0}, {OnOff} },
+	{ slider,	"Sound channels",		{&snd_channels},		{8.0}, {256.0},	{8.0}, {NULL} },
 	{ redtext,	" ",					{NULL},					{0.0}, {0.0},	{0.0}, {NULL} },
 	{ more,		"Restart sound",		{NULL},					{0.0}, {0.0},	{0.0}, {(value_t *)MakeSoundChanges} },
 	{ redtext,	" ",					{NULL},					{0.0}, {0.0},	{0.0}, {NULL} },

src/p_mobj.cpp

@@ -312,6 +312,14 @@ void AActor::Serialize (FArchive &arc)
 	{
 		arc << DamageFactor;
 	}
+	if (SaveVersion >= 2036)
+	{
+		arc << weaveindex;
+	}
+	else
+	{
+		weaveindex = special2;
+	}
 
 	// Skip past uservar array in old savegames
 	if (SaveVersion < 1933)

src/thingdef/thingdef_properties.cpp

@@ -902,6 +902,15 @@ DEFINE_PROPERTY(bouncecount, I, Actor)
 	defaults->bouncecount = id;
 }
 
+//==========================================================================
+//
+//==========================================================================
+DEFINE_PROPERTY(weaveindex, I, Actor)
+{
+	PROP_INT_PARM(id, 0);
+	defaults->weaveindex = id;
+}
+
 //==========================================================================
 //
 //==========================================================================

wadsrc/static/actors/actor.txt

@@ -19,6 +19,7 @@ ACTOR Actor native //: Thinker
 	Gravity 1
 	DamageFactor 1.0
 	PushFactor 0.25
+	WeaveIndex -1
 
 	// Variables for the expression evaluator
 	// NOTE: fixed_t and angle_t are only used here to ensure proper conversion