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Added more fixes for the arguments of attack_complex function:

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* fixed result flags for the attacker and the target when calling
attack_complex function (#323)

* tweaked how attacker_results/target_results work when
AttackComplexFix is enabled.

Minor code edits.
This commit is contained in:
NovaRain
2020-07-31 20:35:58 +08:00
parent a27f020edc
commit 694d97e123
10 changed files with 97 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
artifacts/ddraw.ini
+3 -4
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@@ -587,11 +587,10 @@ ObjCanHearObjFix=0
;If the argument value is -1, the mood will be determined by the local variable 0 of the script (vanilla behavior)
StartGDialogFix=0
;Set to 1 to fix and repurpose the unused called_shot/num_attacks arguments of attack_complex script function
;This also changes the behavior of the result flags arguments
;called_shot - additional damage, when the damage received by the target is above the specified minimum damage
;Set to 1 to fix attacker_results/target_results arguments and repurpose the unused called_shot/num_attacks arguments of attack_complex script function
;New behavior of the arguments:
;called_shot - additional damage, when the damage received by the target is above the specified minimum damage (minDmg argument)
;num_attacks - the number of free action points on the first turn only
;attacker_results - unused, must be 0 or not equal to the target_results argument when specifying result flags for the target
AttackComplexFix=0
;Set to 1 to fix the issue with the division operator treating negative integers as unsigned
sfall/Modules/BugFixes.cpp
+78 -5
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@@ -2012,6 +2012,69 @@ static void __declspec(naked) op_attack_hook() {
}
}
static void __declspec(naked) op_attack_hook_flags() {
__asm {
and eax, 0xFF;
test ebp, ebp;
jz skip;
or al, 2; // set bit 2
skip:
// EAX: gcsd.changeFlags contains the attribute value for setting the flags
// bit 1 - set result flags for target, bit 2 - set result flags for attacker
test eax, eax;
retn;
}
}
static void __declspec(naked) combat_attack_hack_gcsdFlags() {
__asm {
mov ebp, [eax + 0x24]; // gcsd.flagsTarget
mov ebx, [eax + 0x1C]; // gcsd.changeFlags
test bl, 2;
jz checkTarget;
// set source
mov eax, ds:[FO_VAR_main_ctd + 0x14]; // flagsSource
and eax, DAM_DEAD;
or edx, eax; // don't unset DAM_DEAD flag
mov ds:[FO_VAR_main_ctd + 0x14], edx; // flagsSource
checkTarget:
mov eax, ds:[FO_VAR_main_ctd + 0x30]; // flagsTarget
test bl, 1;
jnz setTarget;
retn;
setTarget:
and eax, DAM_DEAD;
or ebp, eax; // don't unset DAM_DEAD flag
mov eax, ebp;
retn;
}
}
static void __declspec(naked) combat_attack_hack_gcsdMinDamage() {
__asm {
mov ds:[FO_VAR_main_ctd + 0x2C], ecx; // amountTarget (min)
mov edx, ecx;
lea ebx, ds:[FO_VAR_main_ctd + 0x30]; // flagsTarget
mov eax, ds:[FO_VAR_main_ctd + 0x20]; // Target
jmp fo::funcoffs::check_for_death_; // set DAM_DEAD
}
}
static void __declspec(naked) combat_attack_hack_gcsdMaxDamage() {
__asm {
mov ds:[FO_VAR_main_ctd + 0x2C], ebp; // amountTarget (max)
mov eax, ds:[FO_VAR_main_ctd + 0x20]; // Target
call fo::funcoffs::critter_get_hits_;
cmp eax, ebp; // curr.HP <= max.DMG
jle skip;
cmp eax, edx; // curr.HP > curr.DMG
jg skip;
and byte ptr ds:[FO_VAR_main_ctd + 0x30], ~DAM_DEAD; // flagsTarget (unset)
skip:
retn;
}
}
static void __declspec(naked) combat_attack_hack() {
__asm {
mov ebx, ds:[FO_VAR_main_ctd + 0x2C]; // amountTarget
@@ -3148,7 +3211,7 @@ void BugFixes::init()
// Fix for the encounter description being displayed in two lines instead of one
SafeWrite32(0x4C1011, 0x9090C789); // mov edi, eax;
SafeWrite8(0x4C1015, 0x90);
SafeWrite8(0x4C1015, CodeType::Nop);
HookCall(0x4C1042, wmSetupRandomEncounter_hook);
// Fix for being unable to sell/give items in the barter screen when the player/party member is overloaded
@@ -3217,18 +3280,28 @@ void BugFixes::init()
HookCall(0x4C6162, db_freadInt_hook);
// Fix and repurpose the unused called_shot/num_attack arguments of attack_complex function
// also change the behavior of the result flags arguments
// called_shot - additional damage, when the damage received by the target is above the specified minimum
// num_attacks - the number of free action points on the first turn only
// attacker_results - unused, must be 0 or not equal to the target_results argument when specifying result flags for the target
if (GetConfigInt("Misc", "AttackComplexFix", 0)) {
dlog("Applying attack_complex fix.", DL_INIT);
dlog("Applying attack_complex arguments fix.", DL_INIT);
HookCall(0x456D4A, op_attack_hook);
SafeWrite8(0x456D61, 0x74); // mov [esp+x], esi
SafeWrite8(0x456D92, 0x5C); // mov [esp+x], ebx
SafeWrite8(0x456D98, 0x94); // setnz > setz (fix setting result flags)
// Fix setting result flags arguments for the attacker and the target (now work independently of each other)
SafeWrite16(0x456D95, 0xC085); // cmp eax, ebx > test eax, eax
MakeCall(0x456D9A, op_attack_hook_flags);
SafeWrite8(0x456D9F, CodeType::JumpNZ); // jz > jnz
SafeWrite16(0x456DA7, 0x8489); // mov [gcsd.changeFlags], 1 > mov [gcsd.changeFlags], eax
SafeWrite8(0x456DAB, 0);
SafeWrite8(0x456DAE, CodeType::Nop);
dlogr(" Done", DL_INIT);
}
// Fix result flags for the attacker and the target when calling attack_complex function
MakeCall(0x42302B, combat_attack_hack_gcsdFlags, 4);
// Set/Unset the DAM_DEAD flag when changing the minimum/maximum damage to the target
MakeCall(0x422FFF, combat_attack_hack_gcsdMinDamage, 1);
MakeCall(0x423017, combat_attack_hack_gcsdMaxDamage, 1);
// Fix for attack_complex still causing minimum damage to the target when the attacker misses
MakeCall(0x422FE5, combat_attack_hack, 1);
sfall/Modules/Drugs.cpp
+1 -1
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@@ -335,7 +335,7 @@ void Drugs::init() {
MakeCall(0x47A5B8, pid_to_gvar_hack, 1);
MakeCall(0x47A50C, perform_withdrawal_start_hack);
SafeWrite32(0x47A523, 0x9090EBD1); // shr ebx, 1 (fix for trait drug addict)
SafeWrite8(0x47A527, 0x90);
SafeWrite8(0x47A527, CodeType::Nop);
if (addictionGvarCount) {
LoadGameHook::OnAfterGameInit() += CheckValidGvarNumber;
sfall/Modules/HeroAppearance.cpp
+1 -1
View File
@@ -1496,7 +1496,7 @@ static void EnableHeroAppearanceMod() {
HookCall(0x42613A, FixPcCriticalHitMsg);
// Force Criticals For Testing
//SafeMemSet(0x423A8F, 0x90, 8);
//SafeMemSet(0x423A8F, CodeType::Nop, 8);
}
static void HeroAppearanceModExit() {
sfall/Modules/KillCounter.cpp
+1 -1
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@@ -51,7 +51,7 @@ static void KillCounterInit() {
// Overwrite the critter_kill_count_inc_ function that increments the kill counter
MakeCall(0x42D89C, IncKillCounter, 1);
SafeWrite8(0x42D88E, 0x45); // lea edx, [eax * 2]
SafeWrite8(0x42D899, 0x90); // inc ebx > nop
SafeWrite8(0x42D899, CodeType::Nop); // inc ebx > nop
const DWORD extraKillTypesCountAddr[] = {
0x42D8AF, // critter_kill_count_
sfall/Modules/LoadOrder.cpp
+1 -1
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@@ -245,7 +245,7 @@ static void GetExtraPatches() {
static void MultiPatchesPatch() {
//if (GetConfigInt("Misc", "MultiPatches", 0)) {
dlog("Applying load multiple patches patch.", DL_INIT);
SafeWrite8(0x444354, 0x90); // Change step from 2 to 1
SafeWrite8(0x444354, CodeType::Nop); // Change step from 2 to 1
SafeWrite8(0x44435C, 0xC4); // Disable check
dlogr(" Done", DL_INIT);
//}
sfall/Modules/Objects.cpp
+1 -1
View File
@@ -242,7 +242,7 @@ void Objects::init() {
};
HookCall(0x4A38A5, new_obj_id_hook);
SafeWrite8(0x4A38B3, 0x90); // fix ID increment
SafeWrite8(0x4A38B3, CodeType::Nop); // fix ID increment
MakeCall(0x477A0E, item_identical_hack); // don't put item with unique ID to items stack
sfall/Modules/Scripting/Handlers/Misc.cpp
+3 -3
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@@ -247,9 +247,9 @@ static void __cdecl IncNPCLevel(const char* fmt, const char* name) {
SafeWrite32(0x495C50, 0x01FB840F); // Want to keep this check intact. (restore)
SafeMemSet(0x495C77, 0x90, 6); // Check that the player is high enough for the npc to consider this level
//SafeMemSet(0x495C8C, 0x90, 6); // Check that the npc isn't already at its maximum level
SafeMemSet(0x495CEC, 0x90, 6); // Check that the npc hasn't already levelled up recently
SafeMemSet(0x495C77, CodeType::Nop, 6); // Check that the player is high enough for the npc to consider this level
//SafeMemSet(0x495C8C, CodeType::Nop, 6); // Check that the npc isn't already at its maximum level
SafeMemSet(0x495CEC, CodeType::Nop, 6); // Check that the npc hasn't already levelled up recently
if (!npcAutoLevelEnabled) {
SafeWrite8(0x495CFB, CodeType::JumpShort); // Disable random element
}
sfall/Modules/Sound.cpp
+4 -4
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@@ -170,9 +170,9 @@ static void CreateSndWnd() {
static DWORD GetSpeechDurationTime() {
if (!speechSound || !speechSound->pSeek) return 0;
speechSound->pSeek->SetTimeFormat(&TIME_FORMAT_MEDIA_TIME);
__int64 outVal;
__int64 outVal = -1;
speechSound->pSeek->GetDuration(&outVal);
return static_cast<DWORD>(outVal / 10000000) + 1;
return (outVal != -1) ? static_cast<DWORD>(outVal / 10000000) + 1 : 0;
}
static DWORD GetSpeechPlayingPosition() {
@@ -860,8 +860,8 @@ void Sound::init() {
}
int sBuff = GetConfigInt("Sound", "NumSoundBuffers", 0);
if (sBuff > 0 && sBuff <= 32) {
SafeWrite8(0x451129, (BYTE)sBuff);
if (sBuff > 0) {
SafeWrite8(0x451129, (sBuff > 32) ? (BYTE)32 : (BYTE)sBuff);
}
if (GetConfigInt("Sound", "AllowSoundForFloats", 0)) {
sfall/Modules/Worldmap.cpp
+2 -2
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@@ -384,8 +384,8 @@ static void TimeLimitPatch() {
0x4A34EF, // inc_game_time_
0x4A3547 // inc_game_time_in_seconds_
});
SafeMemSet(0x4A34F4, 0x90, 16);
SafeMemSet(0x4A354C, 0x90, 16);
SafeMemSet(0x4A34F4, CodeType::Nop, 16);
SafeMemSet(0x4A354C, CodeType::Nop, 16);
} else {
SafeWrite8(0x4A34EC, limit);
SafeWrite8(0x4A3544, limit);