Added missing return values for HOOK_INVENWIELD.

Updated NPC armor appearance mod.

artifacts/mods/gl_npcarmor.ssl

@@ -22,7 +22,9 @@ variable
    modIni := "npcarmor.ini",
    defaultFids,
    armorPidMap, // maps armor PID to it's "type" - leather armor, metal, power armor, etc.
-   npcMap;
+   npcMap,
+   altWeapon,
+   unWieldWeapon;
 
 procedure check_armor_change(variable critter, variable item, variable isWorn) begin
    variable npc, armorType, fid;
@@ -55,6 +57,8 @@ procedure check_weapon_change(variable critter, variable item, variable isWield)
             end
             return 0;
          end
+      end else begin
+         unWieldWeapon := obj_pid(item);
       end
    end
    return -1;
@@ -65,15 +69,20 @@ procedure search_alt_weapon(variable critter) begin
    obj := inven_ptr(critter, 0);
    while (obj) do begin
       if (obj_item_subtype(obj) == item_type_weapon) then begin
+         if (unWieldWeapon == 0 or unWieldWeapon != obj_pid(obj)) then begin
             res := check_weapon_change(critter, obj, 1);
             if (res == -1) then begin
+               altWeapon := obj;
                wield_obj_critter(critter, obj);
+               altWeapon := 0;
                break;
             end
          end
+      end
       i++;
       obj := inven_ptr(critter, i);
    end
+   unWieldWeapon := 0;
 end
 
 // for NPCs when they change armor/weapon themselves
@@ -89,9 +98,11 @@ procedure invenwield_handler begin
       if (fid != -1) then begin
          art_change_fid_num(critter, fid);
       end
+      return;
    end
 
    if (critter and item and slot == INVEN_TYPE_RIGHT_HAND) then begin
+      if (altWeapon == item) then return;
       canWield := check_weapon_change(critter, item, isWorn);
       set_sfall_return(canWield);
       if (canWield != -1) then begin

sfall/Modules/HookScripts/InventoryHs.cpp

@@ -288,7 +288,7 @@ static bool InvenWieldHook_Script(int flag) {
 	bool result = (cRet == 0 || rets[0] == -1);
 	EndHook();
 
-	return result;
+	return result; // True - use engine handler
 }
 
 static void _declspec(naked) InvenWieldFuncHook() {
@@ -314,6 +314,7 @@ static void _declspec(naked) InvenWieldFuncHook() {
 		jz   skip;
 		jmp  funcoffs::invenWieldFunc_;
 skip:
+		mov  eax, -1;
 		retn;
 	}
 }
@@ -341,6 +342,7 @@ static void _declspec(naked) InvenUnwieldFuncHook() {
 		jz   skip;
 		jmp  fo::funcoffs::invenUnwieldFunc_;
 skip:
+		mov  eax, -1;
 		retn;
 	}
 }
@@ -371,6 +373,7 @@ static void _declspec(naked) CorrectFidForRemovedItemHook() {
 		jz   skip;
 		jmp  fo::funcoffs::correctFidForRemovedItem_;
 skip:
+		mov  eax, -1;
 		retn;
 	}
 }
@@ -419,9 +422,19 @@ void Inject_InventoryMoveHook() {
 }
 
 void Inject_InvenWieldHook() {
-	HookCalls(InvenWieldFuncHook, { 0x47275E, 0x495FDF });
+	HookCalls(InvenWieldFuncHook, {
-	HookCalls(InvenUnwieldFuncHook, { 0x45967D, 0x472A5A, 0x495F0B });
+		0x47275E, // inven_wield_
-	HookCalls(CorrectFidForRemovedItemHook, { 0x45680C, 0x45C4EA });
+		0x495FDF  // partyMemberCopyLevelInfo_
+	});
+	HookCalls(InvenUnwieldFuncHook, {
+		0x45967D, // op_metarule_
+		0x472A5A, // inven_unwield_
+		0x495F0B  // partyMemberCopyLevelInfo_
+	});
+	HookCalls(CorrectFidForRemovedItemHook, {
+		0x45680C, // op_rm_obj_from_inven_
+		0x45C4EA  // op_move_obj_inven_to_obj_
+	});
 }
 
 void InitInventoryHookScripts() {

sfall/Modules/Inventory.cpp

@@ -345,7 +345,7 @@ static int __fastcall SuperStimFix2(fo::GameObject* item, fo::GameObject* target
 		return 0;
 	}
 
-	DWORD curr_hp, max_hp;
+	long curr_hp, max_hp;
 	curr_hp = fo::func::stat_level(target, fo::STAT_current_hp);
 	max_hp = fo::func::stat_level(target, fo::STAT_max_hit_points);
 	if (curr_hp < max_hp) return 0;
@@ -646,7 +646,7 @@ end:
 // Differences from vanilla:
 // - doesn't use art_vault_guy_num as default art, uses current critter FID instead
 // - invokes onAdjustFid delegate that allows to hook into FID calculation
-DWORD __stdcall adjust_fid_replacement2() {
+DWORD __stdcall Inventory::adjust_fid_replacement() {
 	using namespace fo;
 
 	DWORD fid;
@@ -693,11 +693,11 @@ DWORD __stdcall adjust_fid_replacement2() {
 	return var::i_fid;
 }
 
-static void __declspec(naked) adjust_fid_replacement() {
+static void __declspec(naked) adjust_fid_hack_replacement() {
 	__asm {
 		push ecx;
 		push edx;
-		call adjust_fid_replacement2; // return fid
+		call Inventory::adjust_fid_replacement; // return fid
 		pop  edx;
 		pop  ecx;
 		retn;
@@ -740,7 +740,7 @@ void Inventory::init() {
 	OnKeyPressed() += InventoryKeyPressedHook;
 	LoadGameHook::OnGameReset() += InventoryReset;
 
-	MakeJump(fo::funcoffs::adjust_fid_, adjust_fid_replacement);
+	MakeJump(fo::funcoffs::adjust_fid_, adjust_fid_hack_replacement);
 
 	sizeLimitMode = GetConfigInt("Misc", "CritterInvSizeLimitMode", 0);
 	if (sizeLimitMode > 0 && sizeLimitMode <= 7) {

sfall/Modules/Inventory.h

@@ -31,6 +31,8 @@ public:
 
 	// Called after game calculated dude FID for displaying on inventory screen
 	static Delegate<DWORD>& OnAdjustFid();
+
+	static DWORD __stdcall adjust_fid_replacement();
 };
 
 void _stdcall SetInvenApCost(int cost);