- fixed: The BFG needs to get its default ammo usage from the DehInfo struct.

- fixed: State's fields need to be declared native.

src/d_dehacked.cpp

@@ -214,6 +214,12 @@ DehInfo deh =
 	40,		// BFG cells per shot
 };
 
+DEFINE_FIELD_X(DehInfo, DehInfo, MaxSoulsphere)
+DEFINE_FIELD_X(DehInfo, DehInfo, ExplosionStyle)
+DEFINE_FIELD_X(DehInfo, DehInfo, ExplosionAlpha)
+DEFINE_FIELD_X(DehInfo, DehInfo, NoAutofreeze)
+DEFINE_FIELD_X(DehInfo, DehInfo, BFGCells)
+
 // Doom identified pickup items by their sprites. ZDoom prefers to use their
 // class type to identify them instead. To support the traditional Doom
 // behavior, for every thing touched by dehacked that has the MF_PICKUP flag,

src/scripting/thingdef_data.cpp

@@ -706,6 +706,11 @@ void InitThingdef()
 	PField *levelf = new PField("level", lstruct, VARF_Native | VARF_Static, (intptr_t)&level);
 	GlobalSymbols.AddSymbol(levelf);
 
+	// set up a variable for the DEH data
+	PStruct *dstruct = NewNativeStruct("DehInfo", nullptr);
+	PField *dehi = new PField("deh", dstruct, VARF_Native | VARF_Static, (intptr_t)&deh);
+	GlobalSymbols.AddSymbol(dehi);
+
 	// set up a variable for the global players array.
 	PStruct *pstruct = NewNativeStruct("PlayerInfo", nullptr);
 	pstruct->Size = sizeof(player_t);

wadsrc/static/zscript/base.txt

@@ -92,23 +92,34 @@ struct LevelLocals native
 // level_info_t *info cannot be done yet.
 }
 
+// a few values of this need to be readable by the play code.
+// Most are handled at load time and are omitted here.
+struct DehInfo native
+{
+	native int MaxSoulsphere;
+	native uint8 ExplosionStyle;
+	native double ExplosionAlpha;
+	native int NoAutofreeze;
+	native int BFGCells;
+}
+
 struct State native
 {
-	State NextState;
-	int sprite;
-	int16 Tics;
-	uint16 TicRange;
-	uint8 Frame;		
-	uint8 UseFlags;	
-	int Misc1;
-	int Misc2;
-	uint16 bSlow;
-	uint16 bFast;
-	bool bFullbright;
-	bool bNoDelay;
-	bool bSameFrame;
-	bool bCanRaise;
-	bool bDehacked;
+	native State NextState;
+	native int sprite;
+	native int16 Tics;
+	native uint16 TicRange;
+	native uint8 Frame;		
+	native uint8 UseFlags;	
+	native int Misc1;
+	native int Misc2;
+	native uint16 bSlow;
+	native uint16 bFast;
+	native bool bFullbright;
+	native bool bNoDelay;
+	native bool bSameFrame;
+	native bool bCanRaise;
+	native bool bDehacked;
 }
 
 struct Sector native

wadsrc/static/zscript/doom/weaponbfg.txt

@@ -77,7 +77,7 @@ extend class StateProvider
 		Weapon weap = player.ReadyWeapon;
 		if (weap != null && invoker == weap && stateinfo != null && stateinfo.mStateType == STATE_Psprite)
 		{
-			if (!weap.DepleteAmmo (weap.bAltFire, true, 1))
+			if (!weap.DepleteAmmo (weap.bAltFire, true, deh.MaxSoulsphere/*BFGCells*/))
 				return;
 		}