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mindamage (details are in comments)

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explorer 2024-10-09 07:00:21 +03:00
parent c068afb171
commit 9e8f4ae26e
3 changed files with 112 additions and 14 deletions
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4
Extended_Interface.hpp
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@ -25,6 +25,8 @@ Interface_Structure Interface_Penetrate_Teammates;
Interface_Structure Interface_Aim_Intersection;
Interface_Structure Interface_Penetration_Damage;
Interface_Structure Interface_Equipment_Distance;
Interface_Structure Interface_Storm_Rotation_Radius;
@ -64,6 +66,8 @@ void Implement_Extended_Interface()
Create_Console_Interface(Pointer_Name(Interface_Aim_Intersection), (char*)"1", nullptr);
Create_Console_Interface(Pointer_Name(Interface_Penetration_Damage), (char*)"25", nullptr);
Create_Console_Interface(Pointer_Name(Interface_Equipment_Distance), (char*)"2048", nullptr);
Create_Console_Interface(Pointer_Name(Interface_Storm_Rotation_Radius), (char*)"24", nullptr);

14
Perform_Shove_Trace.hpp
View File

@ -12,12 +12,12 @@ void* Original_Perform_Shove_Trace_Caller;
void __declspec(naked) Redirected_Perform_Shove_Trace()
{
asm("lea -304(%ebp), %eax");
asm("push %eax");
asm("call *%edx");
asm("pusha");
asm("mov %esp, %ecx");
asm("leal -304(%ebp), %eax");
asm("pushl %eax");
asm("calll *%edx");
asm("pushal");
asm("movl %esp, %ecx");
asm("calll %0" : : "m"(Perform_Shove_Trace));
asm("popa");
asm("jmp *%0" : : "m"(Original_Perform_Shove_Trace_Caller));
asm("popal");
asm("jmpl *%0" : : "m"(Original_Perform_Shove_Trace_Caller));
}

108
Perform_Trace.hpp
View File

@ -1,5 +1,24 @@
void* Perform_Trace_Target;
__declspec(noinline) float Calculate_Damage(void* Weapon_Data, float Distance)
{
static void* Calculate_Damage = (void*)((unsigned __int32)GetModuleHandleW(L"server.dll") + 3950416);
float Damage;
asm("pushl %esi");
asm("movl %0, %%esi" : : "m"(Weapon_Data));
asm("subl $16, %esp");
asm("movss %0, %%xmm0" : : "m"(Distance) : "esp");
asm("movdqu %xmm0, (%esp)");
asm("calll *%0" : : "m"(Calculate_Damage));
asm("movd %%xmm0, %0" : "=m"(Damage));
asm("addl $16, %esp");
asm("popl %esi");
return Damage;
}
float Vector_Normalize(float* Vector)
{
using Vector_Normalize_Type = float(__thiscall*)(float* Vector);
@ -33,22 +52,97 @@ void __thiscall Perform_Trace(void* Stack)
if (Entity == (void*)((unsigned __int32)Perform_Trace_Target ^ 1))
{
__int32 Group = *(__int32*)((unsigned __int32)Stack + 304);
if (Interface_Aim_Intersection.Integer == 0)
{
if (*(__int32*)((unsigned __int32)Stack + 304) != 1)
if (Group != 1)
{
return;
}
}
float* End = (float*)((unsigned __int32)Stack + 248);
void* Trace_Information = *(void**)((unsigned __int32)Stack + 36);
if (Interface_Penetration_Damage.Integer != 0) //that's very cutted version of actual function [*::TraceAttack]
{
float* Start = (float*)((unsigned __int32)Stack + 236);
float Damage = Calculate_Damage(*(void**)((unsigned __int32)Trace_Information + 4), __builtin_sqrtf(__builtin_powf(End[0] - Start[0], 2) + __builtin_powf(End[1] - Start[1], 2) + __builtin_powf(End[2] - Start[2], 2)));
__int32 Identifier = Get_Identifier(Entity, 1, 0);
auto Apply_Difficulty_Scaling = [&]() -> void
{
using Get_Difficulty_Type = __int32(__cdecl*)();
//z_non_head_damage_factor_* (non-replicated unfortunately)
//assuming "z_use_next_difficulty_damage_factor" is "1" and "maxplayers" is not "1"
float Multipliers[4] = { 0.8f, 0.7f, 0.6f, 1.f };
Damage *= Multipliers[Get_Difficulty_Type((unsigned __int32)Client_Module + 2650448)()];
};
if (Identifier == 277) //special scaling used by witches
{
if (Group != 1)
{
Apply_Difficulty_Scaling();
}
}
else
{
if (Identifier == 264) //special scaling used by common infected
{
if (Identifier * Group == 264) //these are killed instantly on headshot
{
Damage = FLT_MAX;
}
else
{
Apply_Difficulty_Scaling();
//tbi: some guns are using special scaling (e.g. deagle)
}
}
else //special scaling used by non-common infected
{
if (*(__int32*)((unsigned __int32)Trace_Information + 36) != -2139094974) //explosives are doing "radial" damage instead
{
if (Identifier != 276) //tanks aren't scaled
{
Damage *= 1.f + 3.f * (Group == 1) + 0.25f * (Group == 3) - 0.25f * (Group == 7); //or: 0.25f * ((Group == 3) + -(Group == 7))
if (Identifier * Group == 270) //killed instantly on **hooked** headshot
{
if (*(void**)((unsigned __int32)Entity + 8040) != INVALID_HANDLE_VALUE)
{
Damage = FLT_MAX;
}
}
}
}
Damage = (__int32)(Damage + 1.f * (Damage < 1)); //rounding isn't applied to common infected or witches. make sure damage isn't zero before rounding
}
//actual shotgun multiplications (z_shotgun_bonus_damage_multiplier, z_shotgun_bonus_damage_range) would require extraneous tracing... so they're not here for moment
}
wprintf(L"hitgroup %d -> damage %f\n", Group, Damage); //compared to 'picker' output (along with nb_stop 1), since it's unfinished feature
if (Damage < Interface_Penetration_Damage.Floating_Point)
{
return;
}
}
if ((*(__int32*)((unsigned __int32)Trace_Information + 36) & 255) + *(__int32*)((unsigned __int32)Entity + 52) == 17)
{
float Inflictor_Direction[3];
float* End = (float*)((unsigned __int32)Stack + 248);
using Get_Center_Type = float*(__thiscall*)(void* Entity);
float* Start = Get_Center_Type((unsigned __int32)Client_Module + 114400)(*(void**)Trace_Information);
@ -89,9 +183,9 @@ void* Original_Perform_Trace_Caller;
void __declspec(naked) Redirected_Perform_Trace()
{
asm("pusha");
asm("mov %esp, %ecx");
asm("pushal");
asm("movl %esp, %ecx");
asm("calll %0" : : "m"(Perform_Trace));
asm("popa");
asm("jmp *%0" : : "m"(Original_Perform_Trace_Caller));
asm("popal");
asm("jmpl *%0" : : "m"(Original_Perform_Trace_Caller));
}