HeroSpecStormcaller.cpp

#include "pch.h"

// Stormcaller adds bonus lightning damage per level

void StormcallerFork();

int Stormcaller_fork = 0x00976DD3;
int Stormcaller_return = 0x00976DD8;
int Stormcaller_end1 = 0x00976EE4;
int Stormcaller_end2 = 0x00976EED;
int Stormcaller_endsub = 0x0097717E;

void StormcallerTweak_init(pugi::xml_document& doc) {
	assembly_patches.push_back({ PATCH_HOOK, Stormcaller_fork, 5, StormcallerFork, 0, 0, 0 });
}

__declspec(naked) void StormcallerFork() {
	__asm
	{
        call[get_spell_id]
        cmp eax, 0x3
        je STORMCALLER_START
        cmp eax, 0x7
        jne STORMCALLER_RETURN

    STORMCALLER_START:
        test esi, esi
        je STORMCALLER_ENDSUB
        
        mov eax, dword ptr [esi]
        mov ecx, esi
        push 0x44
        call dword ptr [eax + 0x294]
        test al, al
        jz STORMCALLER_END
        mov edx, dword ptr [esi]
        mov ecx, esi
        call dword ptr [edx + 0x23C]
        mov dword ptr [esp + 0x14], eax
        fild word ptr[esp + 0x14]
        fstp dword ptr [esp + 0x14]
        call[call_unknown_2]
        fld dword ptr [esp + 0x14]
        push 0x0
        fmul dword ptr [eax + 0x850]
        push 0x0
        fnstcw word ptr [esp + 0x1C]
        push 0x44
        movzx eax, word ptr [esp + 0x20]
        fadd dword ptr ds : 0x00E0A7E4
        or ah, 0xC
        fimul dword ptr [esp + 0x1C]
        mov dword ptr [esp + 0x1C], eax
        fldcw word ptr [esp + 0x1C]
        fistp dword ptr [esp + 0x1C]
        fldcw word ptr [esp + 0x20]
        jmp[Stormcaller_end1]

    STORMCALLER_RETURN:
        jmp[Stormcaller_return]
    STORMCALLER_END:
        jmp[Stormcaller_end2]
    STORMCALLER_ENDSUB:
        jmp[Stormcaller_endsub]
	}
}