Files
sfall/sfall/Modules/MiscPatches.cpp
T
2020-09-16 10:53:39 +08:00

875 lines
26 KiB
C++

/*
* sfall
* Copyright (C) 2008-2016 The sfall team
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "..\main.h"
#include "..\FalloutEngine\Fallout2.h"
#include "..\SimplePatch.h"
#include "LoadGameHook.h"
#include "MainLoopHook.h"
#include "MiscPatches.h"
namespace sfall
{
static char mapName[65] = {};
static char configName[65] = {};
static char patchName[65] = {};
static char versionString[65] = {};
static int* scriptDialog = nullptr;
static void __declspec(naked) WeaponAnimHook() {
__asm {
cmp edx, 11;
je c11;
cmp edx, 15;
je c15;
jmp fo::funcoffs::art_get_code_;
c11:
mov edx, 16;
jmp fo::funcoffs::art_get_code_;
c15:
mov edx, 17;
jmp fo::funcoffs::art_get_code_;
}
}
static void __declspec(naked) register_object_take_out_hack() {
using namespace fo::Fields;
__asm {
push ecx;
push eax;
mov ecx, edx; // ID1
mov edx, [eax + rotation]; // cur_rot
inc edx;
push edx; // ID3
xor ebx, ebx; // ID2
mov edx, [eax + artFid]; // fid
and edx, 0xFFF; // Index
xor eax, eax;
inc eax; // Obj_Type CRITTER
call fo::funcoffs::art_id_;
mov edx, eax;
xor ebx, ebx;
dec ebx; // delay -1
pop eax; // critter
call fo::funcoffs::register_object_change_fid_;
pop ecx;
xor eax, eax;
retn;
}
}
static void __declspec(naked) gdAddOptionStr_hack() {
__asm {
mov ecx, ds:[FO_VAR_gdNumOptions];
add ecx, '1';
push ecx;
mov ecx, 0x4458FA;
jmp ecx;
}
}
static void __declspec(naked) action_use_skill_on_hook_science() {
using namespace fo;
__asm {
cmp esi, ds:[FO_VAR_obj_dude];
jne end;
mov eax, KILL_TYPE_robot;
retn;
end:
jmp fo::funcoffs::critter_kill_count_type_;
}
}
static void __declspec(naked) intface_item_reload_hook() {
__asm {
push eax;
mov eax, dword ptr ds:[FO_VAR_obj_dude];
call fo::funcoffs::register_clear_;
xor edx, edx; // ANIM_stand
xor ebx, ebx; // delay (unused)
lea eax, [edx + 1]; // RB_UNRESERVED
call fo::funcoffs::register_begin_;
mov eax, dword ptr ds:[FO_VAR_obj_dude];
call fo::funcoffs::register_object_animate_;
call fo::funcoffs::register_end_;
pop eax;
jmp fo::funcoffs::gsound_play_sfx_file_;
}
}
static void __declspec(naked) automap_hack() {
static const DWORD ScannerHookRet = 0x41BC1D;
static const DWORD ScannerHookFail = 0x41BC65;
using fo::PID_MOTION_SENSOR;
__asm {
mov eax, ds:[FO_VAR_obj_dude];
mov edx, PID_MOTION_SENSOR;
call fo::funcoffs::inven_pid_is_carried_ptr_;
test eax, eax;
jz fail;
mov edx, eax;
jmp ScannerHookRet;
fail:
jmp ScannerHookFail;
}
}
static bool __fastcall SeeIsFront(fo::GameObject* source, fo::GameObject* target) {
long dir = source->rotation - fo::func::tile_dir(source->tile, target->tile);
if (dir < 0) dir = -dir;
if (dir == 1 || dir == 5) { // peripheral/side vision, reduce the range for seeing through (3x instead of 5x)
return (fo::func::obj_dist(source, target) <= (fo::func::stat_level(source, fo::STAT_pe) * 3));
}
return (dir == 0); // is directly in front
}
static void __declspec(naked) op_obj_can_see_obj_hook() {
using namespace fo;
using namespace Fields;
__asm {
mov edi, [esp + 4]; // buf **ret_objStruct
test ebp, ebp; // check only once
jz checkSee;
xor ebp, ebp; // for only once
push edx;
push eax;
mov edx, [edi - 8]; // target
mov ecx, eax; // source
call SeeIsFront;
xor ecx, ecx;
test al, al;
pop eax;
pop edx;
jnz checkSee; // can see
// vanilla behavior
push 0x10;
push edi;
call fo::funcoffs::make_straight_path_;
retn 8;
checkSee:
push fo::funcoffs::obj_shoot_blocking_at_; // check hex objects func pointer
push 0x20; // flags, 0x20 = check ShootThru
push edi;
call fo::funcoffs::make_straight_path_func_;
mov edx, [edi - 8]; // target
mov ebx, [edi]; // blocking object
test ebx, ebx;
jz isSee; // no blocking object
cmp ebx, edx;
jne checkObj; // object is not equal to target
retn 8;
isSee:
mov [edi], edx; // fix for target with ShootThru flag
retn 8;
checkObj:
mov eax, [ebx + protoId];
shr eax, 24;
cmp eax, OBJ_TYPE_CRITTER;
je continue; // see through critter
retn 8;
continue:
mov [edi - 4], ebx; // replace source with blocking object
mov dword ptr [esp], 0x456BAB; // repeat from the blocking object
retn 8;
}
}
static DWORD __fastcall GetWeaponSlotMode(DWORD itemPtr, DWORD mode) {
int slot = (mode > 0) ? 1 : 0;
fo::ItemButtonItem* itemButton = &fo::var::itemButtonItems[slot];
if ((DWORD)itemButton->item == itemPtr) {
int slotMode = itemButton->mode;
if (slotMode == 3 || slotMode == 4) {
mode++;
}
}
return mode;
}
static void __declspec(naked) display_stats_hook() {
__asm {
push eax;
push ecx;
mov ecx, ds:[esp + edi + 0xA8 + 0xC]; // get itemPtr
call GetWeaponSlotMode; // ecx - itemPtr, edx - mode;
mov edx, eax;
pop ecx;
pop eax;
jmp fo::funcoffs::item_w_range_;
}
}
static void __fastcall SwapHandSlots(fo::GameObject* item, fo::GameObject* &toSlot) {
if (toSlot && fo::GetItemType(item) != fo::item_type_weapon && fo::GetItemType(toSlot) != fo::item_type_weapon) {
return;
}
fo::ItemButtonItem* leftSlot = &fo::var::itemButtonItems[0];
fo::ItemButtonItem* rightSlot = &fo::var::itemButtonItems[1];
if (toSlot == nullptr) { // copy to slot
fo::ItemButtonItem* slot;
fo::ItemButtonItem item[1];
if ((int)&toSlot == FO_VAR_i_lhand) {
std::memcpy(item, rightSlot, 0x14);
item[0].primaryAttack = fo::AttackType::ATKTYPE_LWEAPON_PRIMARY;
item[0].secondaryAttack = fo::AttackType::ATKTYPE_LWEAPON_SECONDARY;
slot = leftSlot; // Rslot > Lslot
} else {
std::memcpy(item, leftSlot, 0x14);
item[0].primaryAttack = fo::AttackType::ATKTYPE_RWEAPON_PRIMARY;
item[0].secondaryAttack = fo::AttackType::ATKTYPE_RWEAPON_SECONDARY;
slot = rightSlot; // Lslot > Rslot;
}
std::memcpy(slot, item, 0x14);
} else { // swap slots
auto hands = fo::var::itemButtonItems;
hands[0].primaryAttack = fo::AttackType::ATKTYPE_RWEAPON_PRIMARY;
hands[0].secondaryAttack = fo::AttackType::ATKTYPE_RWEAPON_SECONDARY;
hands[1].primaryAttack = fo::AttackType::ATKTYPE_LWEAPON_PRIMARY;
hands[1].secondaryAttack = fo::AttackType::ATKTYPE_LWEAPON_SECONDARY;
std::memcpy(leftSlot, &hands[1], 0x14); // Rslot > Lslot
std::memcpy(rightSlot, &hands[0], 0x14); // Lslot > Rslot
}
}
static void __declspec(naked) switch_hand_hack() {
__asm {
pushfd;
test ebx, ebx;
jz skip;
cmp ebx, edx;
jz skip;
push ecx;
mov ecx, eax;
call SwapHandSlots;
pop ecx;
skip:
popfd;
jz end;
retn;
end:
mov dword ptr [esp], 0x4715B7;
retn;
}
}
static void __declspec(naked) action_use_skill_on_hook() {
__asm { // eax = dude_obj, edx = target, ebp = party_member
cmp eax, edx;
jnz end; // jump if target != dude_obj
mov edx, ebp;
call fo::funcoffs::obj_dist_; // check distance between dude_obj and party_member
cmp eax, 1; // if the distance is greater than 1, then reset the register
jg skip;
inc eax;
retn;
skip:
xor eax, eax;
retn;
end:
jmp fo::funcoffs::obj_dist_;
}
}
static void __declspec(naked) endgame_movie_hook() {
__asm {
cmp [esp + 16], 0x45C563; // call from op_endgame_movie_
je playWalkMovie;
retn;
playWalkMovie:
call fo::funcoffs::stat_level_;
xor edx, edx;
add eax, 10;
mov ecx, eax;
mov eax, 1500;
call fo::funcoffs::pause_for_tocks_;
mov eax, ecx;
jmp fo::funcoffs::gmovie_play_;
}
}
static void __declspec(naked) ListDrvdStats_hook() {
static const DWORD ListDrvdStats_Ret = 0x4354D9;
__asm {
call fo::IsRadInfluence;
test eax, eax;
jnz influence;
mov eax, ds:[FO_VAR_obj_dude];
jmp fo::funcoffs::critter_get_rads_;
influence:
xor ecx, ecx;
mov cl, ds:[FO_VAR_RedColor];
cmp dword ptr [esp], 0x4354BE + 5;
jne skip;
mov cl, 131; // color index for selected
skip:
add esp, 4;
jmp ListDrvdStats_Ret;
}
}
static void __declspec(naked) obj_render_outline_hack() {
__asm {
test eax, 0xFF00;
jnz palColor;
mov al, ds:[FO_VAR_GoodColor];
retn;
palColor:
mov al, ah;
retn;
}
}
static void __fastcall RemoveAllFloatTextObjects(DWORD tile, DWORD flags) {
if (fo::var::text_object_index > 0) {
for (size_t i = 0; i < fo::var::text_object_index; i++) {
fo::func::mem_free(fo::var::text_object_list[i]->unknown10);
fo::func::mem_free(fo::var::text_object_list[i]);
}
fo::var::text_object_index = 0;
}
__asm {
mov eax, tile;
mov edx, flags;
call fo::funcoffs::tile_set_center_;
}
MainLoopHook::displayWinUpdateState = true;
}
static void __declspec(naked) obj_move_to_tile_hook() {
__asm {
mov ecx, eax;
call RemoveAllFloatTextObjects;
mov eax, ds:[FO_VAR_display_win];
jmp fo::funcoffs::win_draw_; // update black edges
}
}
static void __declspec(naked) map_check_state_hook() {
__asm {
cmp MainLoopHook::displayWinUpdateState, 0;
je obj_move_to_tile_hook;
jmp fo::funcoffs::tile_set_center_;
}
}
static void AdditionalWeaponAnimsPatch() {
if (GetConfigInt("Misc", "AdditionalWeaponAnims", 0)) {
dlog("Applying additional weapon animations patch.", DL_INIT);
SafeWrite8(0x419320, 18); // art_get_code_
HookCalls(WeaponAnimHook, {
0x451648, 0x451671, // gsnd_build_character_sfx_name_
0x4194CC // art_get_name_
});
dlogr(" Done", DL_INIT);
}
}
static void SkilldexImagesPatch() {
dlog("Checking for changed skilldex images.", DL_INIT);
long tmp = GetConfigInt("Misc", "Lockpick", 293);
if (tmp != 293) SafeWrite32(0x518D54, tmp);
tmp = GetConfigInt("Misc", "Steal", 293);
if (tmp != 293) SafeWrite32(0x518D58, tmp);
tmp = GetConfigInt("Misc", "Traps", 293);
if (tmp != 293) SafeWrite32(0x518D5C, tmp);
tmp = GetConfigInt("Misc", "FirstAid", 293);
if (tmp != 293) SafeWrite32(0x518D4C, tmp);
tmp = GetConfigInt("Misc", "Doctor", 293);
if (tmp != 293) SafeWrite32(0x518D50, tmp);
tmp = GetConfigInt("Misc", "Science", 293);
if (tmp != 293) SafeWrite32(0x518D60, tmp);
tmp = GetConfigInt("Misc", "Repair", 293);
if (tmp != 293) SafeWrite32(0x518D64, tmp);
dlogr(" Done", DL_INIT);
}
static void ScienceOnCrittersPatch() {
switch (GetConfigInt("Misc", "ScienceOnCritters", 0)) {
case 1:
HookCall(0x41276E, action_use_skill_on_hook_science);
break;
case 2:
SafeWrite8(0x41276A, CodeType::JumpShort);
break;
}
}
static void BoostScriptDialogLimitPatch() {
const DWORD script_dialog_msgs[] = {
0x4A50C2, 0x4A5169, 0x4A52FA, 0x4A5302, 0x4A6B86, 0x4A6BE0, 0x4A6C37,
};
if (GetConfigInt("Misc", "BoostScriptDialogLimit", 0)) {
const int scriptDialogCount = 10000;
dlog("Applying script dialog limit patch.", DL_INIT);
scriptDialog = new int[scriptDialogCount * 2]; // Because the msg structure is 8 bytes, not 4.
SafeWrite32(0x4A50E3, scriptDialogCount); // scr_init
SafeWrite32(0x4A519F, scriptDialogCount); // scr_game_init
SafeWrite32(0x4A534F, scriptDialogCount * 8); // scr_message_free
SafeWriteBatch<DWORD>((DWORD)scriptDialog, script_dialog_msgs); // scr_get_dialog_msg_file
dlogr(" Done", DL_INIT);
}
}
static void NumbersInDialoguePatch() {
if (GetConfigInt("Misc", "NumbersInDialogue", 0)) {
dlog("Applying numbers in dialogue patch.", DL_INIT);
SafeWrite32(0x502C32, 0x2000202E);
SafeWrite8(0x446F3B, 0x35);
SafeWrite32(0x5029E2, 0x7325202E);
SafeWrite32(0x446F03, 0x2424448B); // mov eax, [esp+0x24]
SafeWrite8(0x446F07, 0x50); // push eax
SafeWrite32(0x446FE0, 0x2824448B); // mov eax, [esp+0x28]
SafeWrite8(0x446FE4, 0x50); // push eax
MakeJump(0x4458F5, gdAddOptionStr_hack);
dlogr(" Done", DL_INIT);
}
}
static void InstantWeaponEquipPatch() {
const DWORD PutAwayWeapon[] = {
0x411EA2, // action_climb_ladder_
0x412046, // action_use_an_item_on_object_
0x41224A, // action_get_an_object_
0x4606A5, // intface_change_fid_animate_
0x472996, // invenWieldFunc_
};
if (GetConfigInt("Misc", "InstantWeaponEquip", 0)) {
//Skip weapon equip/unequip animations
dlog("Applying instant weapon equip patch.", DL_INIT);
SafeWriteBatch<BYTE>(CodeType::JumpShort, PutAwayWeapon); // jmps
BlockCall(0x472AD5); //
BlockCall(0x472AE0); // invenUnwieldFunc_
BlockCall(0x472AF0); //
MakeJump(0x415238, register_object_take_out_hack);
dlogr(" Done", DL_INIT);
}
}
static void DontTurnOffSneakIfYouRunPatch() {
if (GetConfigInt("Misc", "DontTurnOffSneakIfYouRun", 0)) {
dlog("Applying DontTurnOffSneakIfYouRun patch.", DL_INIT);
SafeWrite8(0x418135, CodeType::JumpShort);
dlogr(" Done", DL_INIT);
}
}
static void PlayIdleAnimOnReloadPatch() {
if (GetConfigInt("Misc", "PlayIdleAnimOnReload", 0)) {
dlog("Applying idle anim on reload patch.", DL_INIT);
HookCall(0x460B8C, intface_item_reload_hook);
dlogr(" Done", DL_INIT);
}
}
static void MotionScannerFlagsPatch() {
if (long flags = GetConfigInt("Misc", "MotionScannerFlags", 1)) {
dlog("Applying MotionScannerFlags patch.", DL_INIT);
if (flags & 1) MakeJump(0x41BBE9, automap_hack);
if (flags & 2) {
// automap_
SafeWrite16(0x41BC24, 0x9090);
BlockCall(0x41BC3C);
// item_m_use_charged_item_
SafeWrite8(0x4794B3, 0x5E); // jbe short 0x479512
}
dlogr(" Done", DL_INIT);
}
}
static void __declspec(naked) ResizeEncounterMessagesTable() {
__asm {
add eax, eax; // double the increment
add eax, 3000;
retn;
}
}
static void EncounterTableSizePatch() {
const DWORD EncounterTableSize[] = {
0x4BD1A3, 0x4BD1D9, 0x4BD270, 0x4BD604, 0x4BDA14, 0x4BDA44, 0x4BE707,
0x4C0815, 0x4C0D4A, 0x4C0FD4,
};
int tableSize = GetConfigInt("Misc", "EncounterTableSize", 0);
if (tableSize > 40) {
dlog("Applying EncounterTableSize patch.", DL_INIT);
if (tableSize > 50) {
if (tableSize > 100) tableSize = 100;
// Increase the count of message lines from 50 to 100 for the encounter tables in worldmap.msg
MakeCalls(ResizeEncounterMessagesTable, {0x4C102C, 0x4C0B57});
}
SafeWrite8(0x4BDB17, (BYTE)tableSize);
DWORD nsize = (tableSize + 1) * 180 + 0x50;
SafeWriteBatch<DWORD>(nsize, EncounterTableSize);
dlogr(" Done", DL_INIT);
}
}
static void DisablePipboyAlarmPatch() {
if (GetConfigInt("Misc", "DisablePipboyAlarm", 0)) {
dlog("Applying Disable Pip-Boy alarm button patch.", DL_INIT);
SafeWrite8(0x499518, CodeType::Ret);
SafeWrite8(0x443601, 0x0);
dlogr(" Done", DL_INIT);
}
}
static void ObjCanSeeShootThroughPatch() {
if (GetConfigInt("Misc", "ObjCanSeeObj_ShootThru_Fix", 0)) {
dlog("Applying obj_can_see_obj fix for seeing through critters and ShootThru objects.", DL_INIT);
HookCall(0x456BC6, op_obj_can_see_obj_hook);
dlogr(" Done", DL_INIT);
}
}
static void OverrideMusicDirPatch() {
static const char* musicOverridePath = "data\\sound\\music\\";
if (long overrideMode = GetConfigInt("Sound", "OverrideMusicDir", 0)) {
SafeWriteBatch<DWORD>((DWORD)musicOverridePath, {0x4449C2, 0x4449DB}); // set paths if not present in the cfg
if (overrideMode == 2) {
SafeWriteBatch<DWORD>((DWORD)musicOverridePath, {0x518E78, 0x518E7C});
SafeWrite16(0x44FCF3, 0x40EB); // jmp 0x44FD35 (skip paths initialization)
}
}
}
static void DialogueFix() {
if (GetConfigInt("Misc", "DialogueFix", 1)) {
dlog("Applying dialogue patch.", DL_INIT);
SafeWrite8(0x446848, 0x31);
dlogr(" Done", DL_INIT);
}
}
static void AlwaysReloadMsgs() {
if (GetConfigInt("Misc", "AlwaysReloadMsgs", 0)) {
dlog("Applying always reload messages patch.", DL_INIT);
SafeWrite8(0x4A6B8D, 0x0);
dlogr(" Done", DL_INIT);
}
}
static void RemoveWindowRoundingPatch() {
if (GetConfigInt("Misc", "RemoveWindowRounding", 1)) {
SafeWriteBatch<BYTE>(CodeType::JumpShort, {0x4D6EDD, 0x4D6F12});
//SafeWrite16(0x4B8090, 0x04EB); // jmps 0x4B8096 (old)
}
}
static void InventoryCharacterRotationSpeedPatch() {
long setting = GetConfigInt("Misc", "SpeedInventoryPCRotation", 166);
if (setting != 166 && setting <= 1000) {
dlog("Applying SpeedInventoryPCRotation patch.", DL_INIT);
SafeWrite32(0x47066B, setting);
dlogr(" Done", DL_INIT);
}
}
static void UIAnimationSpeedPatch() {
DWORD addrs[] = {
0x45F9DE, 0x45FB33,
0x447DF4, 0x447EB6,
0x499B99, 0x499DA8
};
SimplePatch<WORD>(addrs, 2, "Misc", "CombatPanelAnimDelay", 1000, 0, 65535);
SimplePatch<BYTE>(&addrs[2], 2, "Misc", "DialogPanelAnimDelay", 33, 0, 255);
SimplePatch<BYTE>(&addrs[4], 2, "Misc", "PipboyTimeAnimDelay", 50, 0, 127);
}
static void MusicInDialoguePatch() {
if (GetConfigInt("Misc", "EnableMusicInDialogue", 0)) {
dlog("Applying music in dialogue patch.", DL_INIT);
SafeWrite8(0x44525B, 0);
//BlockCall(0x450627);
dlogr(" Done", DL_INIT);
}
}
static void PipboyAvailableAtStartPatch() {
switch (GetConfigInt("Misc", "PipBoyAvailableAtGameStart", 0)) {
case 1:
LoadGameHook::OnBeforeGameStart() += []() {
fo::var::gmovie_played_list[3] = true; // PipBoy aquiring video
};
break;
case 2:
SafeWrite8(0x497011, CodeType::JumpShort); // skip the vault suit movie check
break;
}
}
static void DisableHorriganPatch() {
if (GetConfigInt("Misc", "DisableHorrigan", 0)) {
LoadGameHook::OnAfterGameStarted() += []() {
fo::var::Meet_Frank_Horrigan = true;
};
}
}
static void DisplaySecondWeaponRangePatch() {
// Display the range of the second attack mode in the inventory when you switch weapon modes in active item slots
//if (GetConfigInt("Misc", "DisplaySecondWeaponRange", 1)) {
dlog("Applying display second weapon range patch.", DL_INIT);
HookCall(0x472201, display_stats_hook);
dlogr(" Done", DL_INIT);
//}
}
static void KeepWeaponSelectModePatch() {
//if (GetConfigInt("Misc", "KeepWeaponSelectMode", 1)) {
dlog("Applying keep weapon select mode patch.", DL_INIT);
MakeCall(0x4714EC, switch_hand_hack, 1);
dlogr(" Done", DL_INIT);
//}
}
static void PartyMemberSkillPatch() {
// Fixed getting distance from source to target when using skills
// Note: this will cause the party member to apply his/her skill when you use First Aid/Doctor skill on the player, but only if
// the player is standing next to the party member. Because the related engine function is not fully implemented, enabling
// this option without a global script that overrides First Aid/Doctor functions has very limited usefulness
if (GetConfigInt("Misc", "PartyMemberSkillFix", 0) != 0) {
dlog("Applying party member using First Aid/Doctor skill patch.", DL_INIT);
HookCall(0x412836, action_use_skill_on_hook);
dlogr(" Done", DL_INIT);
}
// Small code patch for HOOK_USESKILLON (change obj_dude to source)
SafeWrite32(0x4128F3, 0x90909090);
SafeWrite16(0x4128F7, 0xFE39); // cmp esi, _obj_dude -> cmp esi, edi
}
#pragma pack(push, 1)
struct CodeData {
DWORD dd = 0x0024548D;
BYTE db = 0x90;
} patchData;
#pragma pack(pop)
static void SkipLoadingGameSettingsPatch() {
if (int skipLoading = GetConfigInt("Misc", "SkipLoadingGameSettings", 0)) {
dlog("Applying skip loading game settings from a saved game patch.", DL_INIT);
BlockCall(0x493421);
SafeWrite8(0x4935A8, 0x1F);
SafeWrite32(0x4935AB, 0x90901B75);
if (skipLoading == 2) SafeWriteBatch<CodeData>(patchData, {0x49341C, 0x49343B});
SafeWriteBatch<CodeData>(patchData, {
0x493450, 0x493465, 0x49347A, 0x49348F, 0x4934A4, 0x4934B9, 0x4934CE,
0x4934E3, 0x4934F8, 0x49350D, 0x493522, 0x493547, 0x493558, 0x493569,
0x49357A
});
dlogr(" Done", DL_INIT);
}
}
static void InterfaceDontMoveOnTopPatch() {
if (GetConfigInt("Misc", "InterfaceDontMoveOnTop", 0)) { // TODO: remove option? (obsolete)
dlog("Applying no MoveOnTop flag for interface patch.", DL_INIT);
SafeWrite8(0x46ECE9, fo::WinFlags::Exclusive); // Player Inventory/Loot/UseOn
SafeWrite8(0x41B966, fo::WinFlags::Exclusive); // Automap
dlogr(" Done", DL_INIT);
}
}
static void UseWalkDistancePatch() {
int distance = GetConfigInt("Misc", "UseWalkDistance", 3) + 2;
if (distance > 1 && distance < 5) {
dlog("Applying walk distance for using objects patch.", DL_INIT);
SafeWriteBatch<BYTE>(distance, {0x411FF0, 0x4121C4, 0x412475, 0x412906}); // default is 5
dlogr(" Done", DL_INIT);
}
}
static void F1EngineBehaviorPatch() {
if (GetConfigInt("Misc", "Fallout1Behavior", 0)) {
dlog("Applying Fallout 1 engine behavior patch.", DL_INIT);
BlockCall(0x4A4343); // disable playing the final movie/credits after the endgame slideshow
SafeWrite8(0x477C71, CodeType::JumpShort); // disable halving the weight for power armor items
HookCall(0x43F872, endgame_movie_hook); // play movie 10 or 11 based on the player's gender before the credits
dlogr(" Done", DL_INIT);
}
}
static void __declspec(naked) op_display_msg_hook() {
__asm {
cmp dword ptr ds:FO_VAR_debug_func, 0;
jne debug;
retn;
debug:
jmp fo::funcoffs::config_get_value_;
}
}
static void EngineOptimizationPatches() {
// Speed up display_msg script function
HookCall(0x455404, op_display_msg_hook);
// Remove duplicate code from intface_redraw_ engine function
BlockCall(0x45EBBF);
// Improve performance of the data conversion of script interpreter
// mov eax, [edx+eax]; bswap eax; ret;
SafeWrite32(0x4672A4, 0x0F02048B);
SafeWrite16(0x4672A8, 0xC3C8);
// mov eax, [edx+eax]; bswap eax;
SafeWrite32(0x4673E5, 0x0F02048B);
SafeWrite8(0x4673E9, 0xC8);
// mov ax, [eax]; rol ax, 8; ret;
SafeWrite32(0x467292, 0x66008B66);
SafeWrite32(0x467296, 0xC308C0C1);
}
void MiscPatches::init() {
EngineOptimizationPatches();
if (GetConfigString("Misc", "StartingMap", "", mapName, 64)) {
dlog("Applying starting map patch.", DL_INIT);
SafeWrite32(0x480AAA, (DWORD)&mapName);
dlogr(" Done", DL_INIT);
}
if (GetConfigString("Misc", "VersionString", "", versionString, 64)) {
dlog("Applying version string patch.", DL_INIT);
SafeWrite32(0x4B4588, (DWORD)&versionString);
dlogr(" Done", DL_INIT);
}
if (GetConfigString("Misc", "ConfigFile", "", configName, 64)) {
dlog("Applying config file patch.", DL_INIT);
SafeWriteBatch<DWORD>((DWORD)&configName, {0x444BA5, 0x444BCA});
dlogr(" Done", DL_INIT);
}
if (GetConfigString("Misc", "PatchFile", "", patchName, 64)) {
dlog("Applying patch file patch.", DL_INIT);
SafeWrite32(0x444323, (DWORD)&patchName);
dlogr(" Done", DL_INIT);
}
if (GetConfigInt("Misc", "SingleCore", 1)) {
dlog("Applying single core patch.", DL_INIT);
HANDLE process = GetCurrentProcess();
SetProcessAffinityMask(process, 1);
CloseHandle(process);
dlogr(" Done", DL_INIT);
}
if (GetConfigInt("Misc", "OverrideArtCacheSize", 0)) {
dlog("Applying override art cache size patch.", DL_INIT);
SafeWrite32(0x418867, 0x90909090);
SafeWrite32(0x418872, 256);
dlogr(" Done", DL_INIT);
}
int time = GetConfigInt("Misc", "CorpseDeleteTime", 6); // time in days
if (time != 6) {
dlog("Applying corpse deletion time patch.", DL_INIT);
if (time <= 0) {
time = 12; // hours
} else if (time > 13) {
time = 13 * 24;
} else {
time *= 24;
}
SafeWrite32(0x483348, time);
dlogr(" Done", DL_INIT);
}
BlockCall(0x4425E6); // Patch out ereg call
SimplePatch<DWORD>(0x440C2A, "Misc", "SpecialDeathGVAR", fo::GVAR_MODOC_SHITTY_DEATH);
// Remove hardcoding for maps with IDs 19 and 37
if (GetConfigInt("Misc", "DisableSpecialMapIDs", 0)) {
dlog("Applying disable special map IDs patch.", DL_INIT);
SafeWriteBatch<BYTE>(0, {0x4836D6, 0x4836DB});
dlogr(" Done", DL_INIT);
}
// Highlight "Radiated" in red color when the player is under the influence of negative effects of radiation
HookCalls(ListDrvdStats_hook, {0x43549C, 0x4354BE});
// Increase the max text width of the player name on the character screen
SafeWriteBatch<BYTE>(127, {0x435160, 0x435189}); // 100
// Increase the max text width of the information card on the character screen
SafeWriteBatch<BYTE>(145, {0x43ACD5, 0x43DD37}); // 136, 133
// Allow setting custom colors from the game palette for object outlines
MakeCall(0x48EE00, obj_render_outline_hack);
// Remove floating text messages after moving to another map elevation
// and redraw the screen to update black edges of the map (HRP bug)
// https://github.com/phobos2077/sfall/issues/282
HookCall(0x48A954, obj_move_to_tile_hook);
HookCall(0x483726, map_check_state_hook);
F1EngineBehaviorPatch();
DialogueFix();
AdditionalWeaponAnimsPatch();
AlwaysReloadMsgs();
PlayIdleAnimOnReloadPatch();
SkilldexImagesPatch();
RemoveWindowRoundingPatch();
ScienceOnCrittersPatch();
InventoryCharacterRotationSpeedPatch();
OverrideMusicDirPatch();
BoostScriptDialogLimitPatch();
MotionScannerFlagsPatch();
EncounterTableSizePatch();
DisablePipboyAlarmPatch();
ObjCanSeeShootThroughPatch();
UIAnimationSpeedPatch();
MusicInDialoguePatch();
DontTurnOffSneakIfYouRunPatch();
InstantWeaponEquipPatch();
NumbersInDialoguePatch();
PipboyAvailableAtStartPatch();
DisableHorriganPatch();
DisplaySecondWeaponRangePatch();
KeepWeaponSelectModePatch();
PartyMemberSkillPatch();
SkipLoadingGameSettingsPatch();
InterfaceDontMoveOnTopPatch();
UseWalkDistancePatch();
}
void MiscPatches::exit() {
if (scriptDialog) delete[] scriptDialog;
}
}