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Fix Driving and Bike School cones teardown to only destroy the cones that were spawned

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Contributed by Wesser
This commit is contained in:
Silent 2024-02-20 23:49:07 +01:00
parent fe363932c7
commit 03e836926d
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GPG key ID: AE53149BB0C45AF1
1 changed files with 69 additions and 5 deletions
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74
SilentPatchSA/SilentPatchSA.cpp
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@ -528,10 +528,25 @@ static void SweetsGirlFix()
*(uint16_t*)(ScriptSpace+ScriptFileSize+2680) = 0x0029;
}
static hook::pattern MakeScriptPattern(bool isMission, std::string_view bytes)
{
uintptr_t begin, end;
if (isMission)
{
begin = uintptr_t(ScriptSpace) + ScriptFileSize;
end = begin + ScriptMissionSize;
}
else
{
begin = uintptr_t(ScriptSpace);
end = begin + ScriptFileSize;
}
return hook::make_range_pattern(begin, end, bytes).count_hint(100);
}
static void MountainCloudBoysFix()
{
auto pattern = hook::make_range_pattern( uintptr_t(ScriptSpace+ScriptFileSize), uintptr_t(ScriptSpace+ScriptFileSize+ScriptMissionSize),
"D6 00 04 00 39 00 03 EF 00 04 02 4D 00 01 90 F2 FF FF D6 00 04 01" ).count_hint(1);
auto pattern = MakeScriptPattern(true, "D6 00 04 00 39 00 03 EF 00 04 02 4D 00 01 90 F2 FF FF D6 00 04 01");
if ( pattern.size() == 1 ) // Faulty code lies under offset 3367 - replace it if it matches
{
const uint8_t bNewCode[22] = {
@ -544,18 +559,59 @@ static void MountainCloudBoysFix()
static void SupplyLinesFix( bool isBeefyBaron )
{
auto pattern = hook::make_range_pattern( uintptr_t(ScriptSpace+ScriptFileSize), uintptr_t(ScriptSpace+ScriptFileSize+ScriptMissionSize),
isBeefyBaron ? "B8 9E 3A 44" : "B8 1E 2F 44" ).count_hint(1);
auto pattern = MakeScriptPattern(true, isBeefyBaron ? "B8 9E 3A 44" : "B8 1E 2F 44");
if ( pattern.size() == 1 ) // 700.48 -> 10.0 (teleports car with CJ under the building instead)
{
*pattern.get(0).get<float>() = 10.0f;
}
}
static void DrivingSchoolConesFix()
{
auto pattern = MakeScriptPattern(true, "04 00 02 20 03 04 00 D6 00 04 00 1A 00 04 2E 02 20 03 4D 00 01 60 75 FF FF BE 00 08 01 07 24 03 20 03 2E 80 08 00 02 20 03 04 01");
if (pattern.size() == 1) // Only destroy as many cones as were created
{
const uint8_t gotoSkipAssignment[] = { 0x02, 0x00, 0x01, 0x8B, 0x75, 0xFF, 0xFF };
memcpy(pattern.get(0).get<void>(0), gotoSkipAssignment, sizeof(gotoSkipAssignment));
const uint8_t cmpVal[] = { 0x18, 0x00, 0x02, 0x20, 0x03, 0x04, 0x00 }; // trafficcone_counter > 0
memcpy(pattern.get(0).get<void>(11), cmpVal, sizeof(cmpVal));
// trafficcone_counter-- \ DELETE_OBJECT trafficcones[trafficcone_counter]
const uint8_t subValDeleteObject[] = { 0x0C, 0x00, 0x02, 0x20, 0x03, 0x04, 0x01, 0x08, 0x01, 0x07, 0x24, 0x03, 0x20, 0x03, 0x2E, 0x80 };
memcpy(pattern.get(0).get<void>(0x1B), subValDeleteObject, sizeof(subValDeleteObject));
// Also set trafficcone_counter to 0 so the first destruction doesn't happen
int32_t* trafficcone_counter = reinterpret_cast<int32_t*>(ScriptSpace+800);
*trafficcone_counter = 0;
}
}
static void BikeSchoolConesFix()
{
auto pattern = MakeScriptPattern(true, "04 00 02 20 03 04 00 D6 00 04 00 1A 00 04 2E 02 20 03 4D 00 01 F8 AD FF FF 08 01 07 24 03 20 03 2E 80 08 00 02 20 03 04 01");
if (pattern.size() == 1) // Only destroy as many cones as were created
{
const uint8_t gotoSkipAssignment[] = { 0x02, 0x00, 0x01, 0x21, 0xAE, 0xFF, 0xFF };
memcpy(pattern.get(0).get<void>(0), gotoSkipAssignment, sizeof(gotoSkipAssignment));
const uint8_t cmpVal[] = { 0x18, 0x00, 0x02, 0x20, 0x03, 0x04, 0x00 }; // trafficcone_counter > 0
memcpy(pattern.get(0).get<void>(11), cmpVal, sizeof(cmpVal));
// trafficcone_counter-- \ DELETE_OBJECT trafficcones[trafficcone_counter]
const uint8_t subValDeleteObject[] = { 0x0C, 0x00, 0x02, 0x20, 0x03, 0x04, 0x01, 0x08, 0x01, 0x07, 0x24, 0x03, 0x20, 0x03, 0x2E, 0x80 };
memcpy(pattern.get(0).get<void>(0x19), subValDeleteObject, sizeof(subValDeleteObject));
// Also set trafficcone_counter to 0 so the first destruction doesn't happen
int32_t* trafficcone_counter = reinterpret_cast<int32_t*>(ScriptSpace+800);
*trafficcone_counter = 0;
}
}
static void QuadrupleStuntBonus()
{
// IF HEIGHT_FLOAT_HJ > 4.0 -> IF HEIGHT_INT_HJ > 4
auto pattern = hook::make_range_pattern( uintptr_t(ScriptSpace), uintptr_t(ScriptSpace+ScriptFileSize), "20 00 02 60 14 06 00 00 80 40" ).count_hint(1);
auto pattern = MakeScriptPattern(false, "20 00 02 60 14 06 00 00 80 40");
if ( pattern.size() == 1 )
{
const uint8_t newCode[10] = {
@ -592,6 +648,14 @@ static void StartNewMission_SCMFixes()
// WUZI1 - Mountain Cloud Boys fix
else if ( missionID == 53 )
MountainCloudBoysFix();
// DSKOOL - Driving School cones fix
// By Wesser
else if ( missionID == 71 )
DrivingSchoolConesFix();
// BSKOOL - Bike School cones fix
// By Wesser
else if ( missionID == 120 )
BikeSchoolConesFix();
// ZERO2 - Supply Lines fix
else if ( missionID == 73 )
SupplyLinesFix( false );