Fix for spell duration overflow

postbuild/server.mp

@@ -175,5 +175,10 @@
 0 149 53126B // imp_GMNoLevelDown
 0 150 52DA11 // presumably drop all
 0 151 5610B6 // quest reward scaling
+0 201 53973E // fix spell duration overflow
+0 206 53BF9C // fix spell duration overflow
+0 203 53C0E1 // fix spell duration overflow
+0 204 53C21E // fix spell duration overflow
+0 205 53C52A // fix spell duration overflow
 ////////// 0: jmp, 1: call
 

spell_duration_fix.cpp

@@ -0,0 +1,104 @@
+#define FTOL 0x005BF1AC
+void __declspec(naked) fix_spell_duration_overflow_0053973E()
+{ // 0053973E
+    __asm
+    {
+		cmp		eax, 0xFFFF
+		jle		short ret_point1
+		mov		eax, 0xFFFF
+ret_point1:
+		// restore overridden code begin
+		mov     edx, [ebp-0xC]
+		mov     [edx+10h], ax
+		// restore overridden code 
+		// jump back
+        mov     edx, 0x00539745
+        jmp     edx
+    }
+}
+// FUNCTIONS BELOW ARE DIFFERENT
+void __declspec(naked) fix_spell_duration_overflow()
+{ // 53BF9C
+    __asm
+    {
+		mov		eax, FTOL
+		call    eax
+		cmp		eax, 0xFFFF
+		jle		short ret_point
+		mov		eax, 0xFFFF
+ret_point:
+		ret
+    }
+}
+// FUNCTIONS BELOW ARE DIFFERENT
+void __declspec(naked) fix_spell_duration_overflow_0053BFA1()
+{ // 0053BFA1
+    __asm
+    {
+		cmp		eax, 0xFFFF
+		jle		short ret_point2
+		mov		eax, 0xFFFF
+ret_point2:
+		// restore overridden code begin
+		mov     edx, [ebp-0x44]
+		mov     [edx+0x42], ax
+		// restore overridden code 
+		// jump back
+        mov     edx, 0x0053BFA8
+        jmp     edx
+    }
+}
+
+void __declspec(naked) fix_spell_duration_overflow_0053C0E1()
+{ // 0053C0E1
+    __asm
+    {
+		cmp		eax, 0xFFFF
+		jle		short ret_point3
+		mov		eax, 0xFFFF
+ret_point3:
+		// restore overridden code begin
+		mov     edx, [ebp-0x44]
+		mov     [edx+0x42], ax
+		// restore overridden code 
+		// jump back
+        mov     edx, 0x0053C0E8
+        jmp     edx
+    }
+}
+
+void __declspec(naked) fix_spell_duration_overflow_0053C21E()
+{ // 0053C21E
+    __asm
+    {
+		cmp		eax, 0xFFFF
+		jle		short ret_point4
+		mov		eax, 0xFFFF
+ret_point4:
+		// restore overridden code begin
+		mov     edx, [ebp-0x44]
+		mov     [edx+0x42], ax
+		// restore overridden code 
+		// jump back
+        mov     edx, 0x0053C225
+        jmp     edx
+    }
+}
+
+void __declspec(naked) fix_spell_duration_overflow_0053C52A()
+{ // 0053C52A
+    __asm
+    {
+		cmp		eax, 0xFFFF
+		jle		short ret_point5
+		mov		eax, 0xFFFF
+ret_point5:
+		// restore overridden code begin
+		mov     edx, [ebp-0x44]
+		mov     [edx+0x42], ax
+		// restore overridden code 
+		// jump back
+        mov     edx, 0x0053C531
+        jmp     edx
+    }
+}

srvmgr.def

@@ -141,4 +141,10 @@ imp_GMNoLevelUp		@147
 imp_ExtDiplomacy	@148
 imp_GMNoLevelDown	@149
 imp_DropAll			@150
-imp_ScaleSoftcoreExperienceReward @151
+imp_ScaleSoftcoreExperienceReward	@151
+fix_spell_duration_overflow_0053973E @201
+fix_spell_duration_overflow_0053BFA1 @202
+fix_spell_duration_overflow_0053C0E1 @203
+fix_spell_duration_overflow_0053C21E @204
+fix_spell_duration_overflow_0053C52A @205
+fix_spell_duration_overflow			 @206