MasterOfFireFix.cpp

#include "pch.h"
// Fix: Master of Fire always substracting half defense from the moment of impact instead of half of the current creature defense

void MasterOfFireFix();

void MasterOfFireFix_init(pugi::xml_document& doc) {
        assembly_patches.push_back({ PATCH_BYTE, 0x00989BB6, 1, nullptr, 9, 0, 0, 0 }); // disable bugged Master of Fire effect
        assembly_patches.push_back({ PATCH_HOOK, 0x008A25F4, 13, MasterOfFireFix, 0, 0, 0, 0 }); // new Master of Fire code
}

__declspec(naked) void MasterOfFireFix() {
    __asm
    {
        sub eax, 1
        and ebx, eax
        test ebx, ebx
        je DEFENSE_IS_ZERO
        mov ecx, esi
        mov edx, [esi]
        push 0xCA 
        mov ecx, esi
        call dword ptr[edx + 0x28]
        test eax, eax
        je FIRE_EFFECT_NOT_PRESENT
        mov edx, [esi]
        push 0x55
        mov ecx, esi
        call dword ptr[edx + 0x28C]
        test al, al
        jne UNIT_IS_ARMOURED
        shr ebx, 1
        DEFENSE_IS_ZERO:
    FIRE_EFFECT_NOT_PRESENT:
    UNIT_IS_ARMOURED:
        mov eax, ebx;
        pop  edi
            pop  esi
            pop  ebp
            pop  ebx
            add esp, 8
            ret
    }
}