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CModelInfoSA.cpp
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/*****************************************************************************
*
* PROJECT: Multi Theft Auto v1.0
* LICENSE: See LICENSE in the top level directory
* FILE: game_sa/CModelInfoSA.cpp
* PURPOSE: Entity model information handler
*
* Multi Theft Auto is available from http://www.multitheftauto.com/
*
*****************************************************************************/
#include "StdInc.h"
#include <core/CCoreInterface.h>
#include "CColModelSA.h"
#include "CColStoreSA.h"
#include "CGameSA.h"
#include "CModelInfoSA.h"
#include "CPedModelInfoSA.h"
#include "CPedSA.h"
#include "CWorldSA.h"
#include "gamesa_renderware.h"
extern CCoreInterface* g_pCore;
extern CGameSA* pGame;
CBaseModelInfoSAInterface** CModelInfoSAInterface::ms_modelInfoPtrs = (CBaseModelInfoSAInterface**)ARRAY_ModelInfo;
CBaseModelInfoSAInterface** ppModelInfo = (CBaseModelInfoSAInterface**)ARRAY_ModelInfo;
std::map<unsigned short, int> CModelInfoSA::ms_RestreamTxdIDMap;
std::map<DWORD, float> CModelInfoSA::ms_ModelDefaultLodDistanceMap;
std::map<DWORD, unsigned short> CModelInfoSA::ms_ModelDefaultFlagsMap;
std::map<DWORD, BYTE> CModelInfoSA::ms_ModelDefaultAlphaTransparencyMap;
std::unordered_map<std::uint32_t, std::map<eVehicleDummies, CVector>> CModelInfoSA::ms_ModelDefaultDummiesPosition;
std::map<CTimeInfoSAInterface*, CTimeInfoSAInterface*> CModelInfoSA::ms_ModelDefaultModelTimeInfo;
std::unordered_map<DWORD, unsigned short> CModelInfoSA::ms_OriginalObjectPropertiesGroups;
std::unordered_map<DWORD, std::pair<float, float>> CModelInfoSA::ms_VehicleModelDefaultWheelSizes;
std::map<unsigned short, int> CModelInfoSA::ms_DefaultTxdIDMap;
std::unordered_map<std::uint32_t, CBaseModelInfoSAInterface*> CModelInfoSA::m_convertedModelInterfaces;
union tIdeFlags
{
struct
{
char bIsRoad : 1;
char bFlag2 : 1;
char bDrawLast : 1;
char bAdditive : 1;
char bFlag5 : 1;
char bFlag6 : 1;
char bNoZBufferWrite : 1;
char bDontReceiveShadows : 1;
char bFlag9 : 1;
char bIsGlassType1 : 1;
char bIsGlassType2 : 1;
char bIsGarageDoor : 1;
char bIsDamagable : 1;
char bIsTree : 1;
char bIsPalm : 1;
char bDontCollideWithFlyer : 1;
char bFlag17 : 1;
char bFlag18 : 1;
char bFlag19 : 1;
char bFlag20 : 1;
char bIsTag : 1;
char bDisableBackfaceCulling : 1;
char bIsBreakableStatue : 1;
char bFlag24 : 1;
char cPad : 8;
};
unsigned int uiFlags;
};
static constexpr uintptr_t vftable_CVehicleModelInfo = 0x85C5C8u;
static constexpr size_t RESOURCE_ID_COL = 25000;
static void CBaseModelInfo_SetColModel(CBaseModelInfoSAInterface* self, CColModelSAInterface* colModel, bool applyToPairedModel)
{
using Signature = void(__thiscall*)(CBaseModelInfoSAInterface*, CColModelSAInterface*, bool);
auto function = reinterpret_cast<Signature>(0x4C4BC0);
function(self, colModel, applyToPairedModel);
}
static void CColAccel_addCacheCol(int idx, const CColModelSAInterface* colModel)
{
using Signature = void(__cdecl*)(int, const CColModelSAInterface*);
auto function = reinterpret_cast<Signature>(0x5B2C20);
function(idx, colModel);
}
CModelInfoSA::CModelInfoSA()
{
m_pInterface = NULL;
m_dwModelID = 0xFFFFFFFF;
m_dwReferences = 0;
m_dwPendingInterfaceRef = 0;
m_pOriginalColModelInterface = NULL;
m_pCustomClump = NULL;
m_pCustomColModel = NULL;
}
CBaseModelInfoSAInterface* CModelInfoSA::GetInterface()
{
return m_pInterface = ppModelInfo[m_dwModelID];
}
bool CModelInfoSA::IsBoat()
{
DWORD dwFunction = FUNC_IsBoatModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsCar()
{
DWORD dwFunction = FUNC_IsCarModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsTrain()
{
DWORD dwFunction = FUNC_IsTrainModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsHeli()
{
DWORD dwFunction = FUNC_IsHeliModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsPlane()
{
DWORD dwFunction = FUNC_IsPlaneModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsBike()
{
DWORD dwFunction = FUNC_IsBikeModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsFakePlane()
{
DWORD dwFunction = FUNC_IsFakePlaneModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsMonsterTruck()
{
DWORD dwFunction = FUNC_IsMonsterTruckModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsQuadBike()
{
DWORD dwFunction = FUNC_IsQuadBikeModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsBmx()
{
DWORD dwFunction = FUNC_IsBmxModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
bool CModelInfoSA::IsTrailer()
{
DWORD dwFunction = FUNC_IsTrailerModel;
DWORD ModelID = m_dwModelID;
bool bReturn = false;
_asm
{
push ModelID
call dwFunction
mov bReturn, al
add esp, 4
}
return bReturn;
}
BYTE CModelInfoSA::GetVehicleType() const noexcept
{
// This function will return a vehicle type for vehicles or 0xFF on failure
if (!IsVehicle())
return -1;
auto GetVehicleModelType = reinterpret_cast<BYTE(__cdecl*)(DWORD)>(FUNC_IsVehicleModelType);
return GetVehicleModelType(m_dwModelID);
}
bool CModelInfoSA::IsVehicle() const
{
// NOTE(botder): This is from CModelInfo::IsVehicleModelType
if (m_dwModelID >= 20000)
return false;
if (!IsAllocatedInArchive())
return false;
// NOTE(botder): m_pInterface might be a nullptr here, we can't use it
CBaseModelInfoSAInterface* model = ppModelInfo[m_dwModelID];
return model && reinterpret_cast<intptr_t>(model->VFTBL) == vftable_CVehicleModelInfo;
}
bool CModelInfoSA::IsVehicleModel(std::uint32_t model) noexcept
{
const auto* const modelInfo = pGame->GetModelInfo(model);
return modelInfo && modelInfo->IsVehicle();
}
bool CModelInfoSA::IsPlayerModel()
{
return (GetInterface() && GetInterface()->pColModel && GetInterface()->pColModel == (CColModelSAInterface*)VAR_CTempColModels_ModelPed1);
}
bool CModelInfoSA::IsUpgrade()
{
return m_dwModelID >= 1000 && m_dwModelID <= 1193;
}
char* CModelInfoSA::GetNameIfVehicle()
{
DWORD dwModelInfo = (DWORD)ARRAY_ModelInfo;
DWORD dwFunc = FUNC_CText_Get;
DWORD ModelID = m_dwModelID;
DWORD dwReturn = 0;
_asm
{
push eax
push ebx
push ecx
mov ebx, ModelID
lea ebx, [ebx*4]
add ebx, dword ptr[ARRAY_ModelInfo]
mov eax, [ebx]
add eax, 50
push eax
mov ecx, CLASS_CText
call dwFunc
mov dwReturn, eax
pop ecx
pop ebx
pop eax
}
return (char*)dwReturn;
}
uint CModelInfoSA::GetAnimFileIndex()
{
DWORD dwFunc = m_pInterface->VFTBL->GetAnimFileIndex;
DWORD dwThis = (DWORD)m_pInterface;
uint uiReturn = 0;
if (dwFunc)
{
_asm
{
mov ecx, dwThis
call dwFunc
mov uiReturn, eax
}
}
return uiReturn;
}
void CModelInfoSA::Request(EModelRequestType requestType, const char* szTag)
{
// don't bother loading it if it already is
if (IsLoaded())
return;
// Bikes can sometimes get stuck when loading unless the anim file is handled like what is does here
// Don't change the code below unless you can test it (by recreating the problem it solves)
if (IsVehicle())
{
uint uiAnimFileIndex = GetAnimFileIndex();
if (uiAnimFileIndex != 0xffffffff)
{
uint uiAnimId = uiAnimFileIndex + pGame->GetBaseIDforIFP();
CModelInfoSA* pAnim = static_cast<CModelInfoSA*>(pGame->GetModelInfo(uiAnimId));
if (!pAnim)
{
if (uiAnimId != pGame->GetBaseIDforIFP() + 139)
LogEvent(505, "Model no anim", "", SString("%d (%d)", m_dwModelID, uiAnimId));
}
else if (!pAnim->IsLoaded())
{
OutputDebugLine(SString("[Models] Requesting anim file %d for model %d", uiAnimId, m_dwModelID));
pAnim->Request(requestType, szTag);
}
}
}
else if (m_dwModelID <= 288 && m_dwModelID != 7 && !pGame->GetModelInfo(7)->IsLoaded())
{
// Skin 7 must be loaded in order for other skins to work. No, really. (#4010)
pGame->GetModelInfo(7)->Request(requestType, "Model 7");
}
if (requestType == BLOCKING)
{
pGame->GetStreaming()->RequestModel(m_dwModelID, 0x16);
pGame->GetStreaming()->LoadAllRequestedModels(true, szTag);
if (!IsLoaded())
{
// Try 3 more times, final time without high priority flag
int iCount = 0;
while (iCount++ < 10 && !IsLoaded())
{
bool bOnlyPriorityModels = (iCount < 3 || iCount & 1);
pGame->GetStreaming()->LoadAllRequestedModels(bOnlyPriorityModels, szTag);
}
if (!IsLoaded())
{
AddReportLog(6641, SString("Blocking load fail: %d (%s)", m_dwModelID, szTag));
LogEvent(641, "Blocking load fail", "", SString("%d (%s)", m_dwModelID, szTag));
dassert(0);
}
else
{
AddReportLog(6642, SString("Blocking load: %d (%s) (Took %d attempts)", m_dwModelID, szTag, iCount));
LogEvent(642, "Blocking load", "", SString("%d (%s) (Took %d attempts)", m_dwModelID, szTag, iCount));
}
}
}
else
{
pGame->GetStreaming()->RequestModel(m_dwModelID, 0x06);
}
}
void CModelInfoSA::Remove()
{
// Don't remove if GTA refers to it somehow.
// Or we'll screw up SA's map for example.
m_pInterface = ppModelInfo[m_dwModelID];
// Remove our reference
if (m_pInterface->usNumberOfRefs > 0)
m_pInterface->usNumberOfRefs--;
// No references left?
if (m_pInterface->usNumberOfRefs == 0 && !m_pCustomClump && !m_pCustomColModel)
{
// Remove the model.
pGame->GetStreaming()->RemoveModel(m_dwModelID);
}
}
bool CModelInfoSA::UnloadUnused()
{
if (m_pInterface->usNumberOfRefs == 0 && !m_pCustomClump && !m_pCustomColModel)
{
pGame->GetStreaming()->RemoveModel(m_dwModelID);
return true;
}
return false;
}
bool CModelInfoSA::IsLoaded()
{
if (DoIsLoaded())
{
if (m_dwPendingInterfaceRef)
{
assert(m_dwReferences > 0);
m_pInterface = ppModelInfo[m_dwModelID];
m_pInterface->usNumberOfRefs++;
m_dwPendingInterfaceRef = 0;
}
return true;
}
return false;
}
bool CModelInfoSA::DoIsLoaded()
{
// return (BOOL)*(BYTE *)(ARRAY_ModelLoaded + 20*dwModelID);
bool bLoaded = pGame->GetStreaming()->HasModelLoaded(m_dwModelID);
if (m_dwModelID < pGame->GetBaseIDforTXD())
{
m_pInterface = ppModelInfo[m_dwModelID];
if (bLoaded)
{
// Check rw object is there
if (!m_pInterface || !m_pInterface->pRwObject)
return false;
}
}
return bLoaded;
}
unsigned short CModelInfoSA::GetFlags()
{
return ppModelInfo[m_dwModelID]->usFlags;
}
unsigned short CModelInfoSA::GetOriginalFlags()
{
if (MapContains(ms_ModelDefaultFlagsMap, m_dwModelID))
return MapGet(ms_ModelDefaultFlagsMap, m_dwModelID);
return ppModelInfo[m_dwModelID]->usFlags;
}
void CModelInfoSA::SetFlags(unsigned short usFlags)
{
m_pInterface = ppModelInfo[m_dwModelID];
if (!m_pInterface)
return;
// Save default value if not done yet
if (!MapContains(ms_ModelDefaultFlagsMap, m_dwModelID))
MapSet(ms_ModelDefaultFlagsMap, m_dwModelID, m_pInterface->usFlags);
// Don't change bIsColLoaded flag
usFlags &= 0xFF7F; // Disable flag in input
usFlags |= m_pInterface->usFlags & 0x80; // Apply current bIsColLoaded flag
m_pInterface->usFlags = usFlags;
}
void CModelInfoSA::SetIdeFlags(unsigned int uiFlags)
{
m_pInterface = ppModelInfo[m_dwModelID];
if (!m_pInterface)
return;
// Save default value if not done yet
if (!MapContains(ms_ModelDefaultFlagsMap, m_dwModelID))
MapSet(ms_ModelDefaultFlagsMap, m_dwModelID, m_pInterface->usFlags);
tIdeFlags ideFlags;
ideFlags.uiFlags = uiFlags;
// Default value is 0xC0 (bIsColLoaded + bIsBackfaceCulled)
// But bIsColLoaded should not be changed
m_pInterface->usFlags &= 0x80; // Reset all flags except bIsColLoaded
m_pInterface->bIsBackfaceCulled = true;
// setBaseModelInfoFlags
if (ideFlags.bDrawLast)
{
m_pInterface->bAlphaTransparency = true;
m_pInterface->bAdditiveRender = true;
}
m_pInterface->bAdditiveRender = ideFlags.bAdditive;
m_pInterface->bDontWriteZBuffer = ideFlags.bNoZBufferWrite;
m_pInterface->bDontCastShadowsOn = ideFlags.bDontReceiveShadows;
m_pInterface->bIsBackfaceCulled = !ideFlags.bDisableBackfaceCulling;
switch (GetModelType())
{
case eModelInfoType::ATOMIC:
case eModelInfoType::TIME:
{
// SetAtomicModelInfoFlags
m_pInterface->bIsRoad = ideFlags.bIsRoad;
m_pInterface->bDontCollideWithFlyer = ideFlags.bDontCollideWithFlyer;
if (ideFlags.bFlag20)
m_pInterface->eSpecialModelType = eModelSpecialType::CRANE;
else if (ideFlags.bFlag24)
m_pInterface->eSpecialModelType = eModelSpecialType::UNKNOW_1;
else if (ideFlags.bIsBreakableStatue)
m_pInterface->eSpecialModelType = eModelSpecialType::BREAKABLE_STATUE;
else if (ideFlags.bIsTag)
m_pInterface->eSpecialModelType = eModelSpecialType::TAG;
else if (ideFlags.bIsPalm)
m_pInterface->eSpecialModelType = eModelSpecialType::PALM;
else if (ideFlags.bIsTree)
m_pInterface->eSpecialModelType = eModelSpecialType::TREE;
else if (ideFlags.bIsGarageDoor)
m_pInterface->eSpecialModelType = eModelSpecialType::GARAGE_DOOR;
else if (ideFlags.bIsGlassType2)
m_pInterface->eSpecialModelType = eModelSpecialType::GLASS_2;
else if (ideFlags.bIsGlassType1)
m_pInterface->eSpecialModelType = eModelSpecialType::GLASS_1;
break;
}
case eModelInfoType::CLUMP:
{
m_pInterface->bAdditiveRender = ideFlags.bFlag6;
break;
}
default:
break;
}
}
void CModelInfoSA::SetIdeFlag(eModelIdeFlag eIdeFlag, bool bState)
{
m_pInterface = ppModelInfo[m_dwModelID];
if (!m_pInterface)
return;
switch (eIdeFlag)
{
case eModelIdeFlag::IS_ROAD:
m_pInterface->bIsRoad = bState;
break;
case eModelIdeFlag::DRAW_LAST:
m_pInterface->bAlphaTransparency = bState;
if (bState)
m_pInterface->bAdditiveRender = true;
break;
case eModelIdeFlag::ADDITIVE:
m_pInterface->bAdditiveRender = bState;
break;
case eModelIdeFlag::IGNORE_LIGHTING:
m_pInterface->bAdditiveRender = bState;
break;
case eModelIdeFlag::NO_ZBUFFER_WRITE:
m_pInterface->bDontWriteZBuffer = bState;
break;
case eModelIdeFlag::DONT_RECEIVE_SHADOWS:
m_pInterface->bDontCastShadowsOn = bState;
break;
case eModelIdeFlag::IS_GLASS_TYPE_1:
SetModelSpecialType(eModelSpecialType::GLASS_1, bState);
break;
case eModelIdeFlag::IS_GLASS_TYPE_2:
SetModelSpecialType(eModelSpecialType::GLASS_2, bState);
break;
case eModelIdeFlag::IS_GARAGE_DOOR:
SetModelSpecialType(eModelSpecialType::GARAGE_DOOR, bState);
break;
case eModelIdeFlag::IS_TREE:
SetModelSpecialType(eModelSpecialType::TREE, bState);
break;
case eModelIdeFlag::IS_PALM:
SetModelSpecialType(eModelSpecialType::PALM, bState);
break;
case eModelIdeFlag::IS_TAG:
SetModelSpecialType(eModelSpecialType::TAG, bState);
break;
case eModelIdeFlag::IS_BREAKABLE_STATUE:
SetModelSpecialType(eModelSpecialType::BREAKABLE_STATUE, bState);
break;
case eModelIdeFlag::IS_CRANE:
SetModelSpecialType(eModelSpecialType::CRANE, bState);
break;
case eModelIdeFlag::IS_DAMAGABLE:
// Can't set
break;
case eModelIdeFlag::DOES_NOT_COLLIDE_WITH_FLYER:
m_pInterface->bDontCollideWithFlyer = bState;
break;
case eModelIdeFlag::DISABLE_BACKFACE_CULLING:
m_pInterface->bIsBackfaceCulled = !bState;
break;
default:
break;
}
}
bool CModelInfoSA::GetIdeFlag(eModelIdeFlag eIdeFlag)
{
m_pInterface = ppModelInfo[m_dwModelID];
if (!m_pInterface)
return false;
switch (eIdeFlag)
{
case eModelIdeFlag::IS_ROAD:
return m_pInterface->bIsRoad;
case eModelIdeFlag::DRAW_LAST:
return m_pInterface->bAlphaTransparency;
case eModelIdeFlag::ADDITIVE:
return m_pInterface->bAdditiveRender;
case eModelIdeFlag::IGNORE_LIGHTING:
return m_pInterface->bAdditiveRender;
case eModelIdeFlag::NO_ZBUFFER_WRITE:
return m_pInterface->bDontWriteZBuffer;
case eModelIdeFlag::DONT_RECEIVE_SHADOWS:
return m_pInterface->bDontCastShadowsOn;
case eModelIdeFlag::IS_GLASS_TYPE_1:
return m_pInterface->eSpecialModelType == eModelSpecialType::GLASS_1;
case eModelIdeFlag::IS_GLASS_TYPE_2:
return m_pInterface->eSpecialModelType == eModelSpecialType::GLASS_2;
case eModelIdeFlag::IS_GARAGE_DOOR:
return m_pInterface->eSpecialModelType == eModelSpecialType::GARAGE_DOOR;
case eModelIdeFlag::IS_TREE:
return m_pInterface->eSpecialModelType == eModelSpecialType::TREE;
case eModelIdeFlag::IS_PALM:
return m_pInterface->eSpecialModelType == eModelSpecialType::PALM;
case eModelIdeFlag::IS_TAG:
return m_pInterface->eSpecialModelType == eModelSpecialType::TAG;
case eModelIdeFlag::IS_BREAKABLE_STATUE:
return m_pInterface->eSpecialModelType == eModelSpecialType::BREAKABLE_STATUE;
case eModelIdeFlag::IS_CRANE:
return m_pInterface->eSpecialModelType == eModelSpecialType::CRANE;
case eModelIdeFlag::IS_DAMAGABLE:
return ((bool (*)())m_pInterface->VFTBL->AsDamageAtomicModelInfoPtr)();
case eModelIdeFlag::DOES_NOT_COLLIDE_WITH_FLYER:
return m_pInterface->bDontCollideWithFlyer;
case eModelIdeFlag::DISABLE_BACKFACE_CULLING:
return !m_pInterface->bIsBackfaceCulled;
default:
return false;
}
}
void CModelInfoSA::SetModelSpecialType(eModelSpecialType eType, bool bState)
{
if (bState)
m_pInterface->eSpecialModelType = eType;
else if (m_pInterface->eSpecialModelType == eType)
m_pInterface->eSpecialModelType = eModelSpecialType::NONE;
}
void CModelInfoSA::StaticResetFlags()
{
// Restore default values
for (std::map<DWORD, unsigned short>::const_iterator iter = ms_ModelDefaultFlagsMap.begin(); iter != ms_ModelDefaultFlagsMap.end(); ++iter)
{
CBaseModelInfoSAInterface* pInterface = ppModelInfo[iter->first];
if (pInterface)
{
// Don't change bIsColLoaded flag
ushort usFlags = iter->second;
usFlags &= 0xFF7F;
usFlags |= pInterface->usFlags & 0x80;
pInterface->usFlags = usFlags;
}
}
ms_ModelDefaultFlagsMap.clear();
}
CBoundingBox* CModelInfoSA::GetBoundingBox()
{
DWORD dwFunc = FUNC_GetBoundingBox;
DWORD ModelID = m_dwModelID;
CBoundingBox* dwReturn = 0;
_asm
{
push ModelID
call dwFunc
add esp, 4
mov dwReturn, eax
}
return dwReturn;
}
bool CModelInfoSA::IsValid()
{
if (m_dwModelID >= MODELINFO_DFF_MAX && m_dwModelID < MODELINFO_TXD_MAX)
return !pGame->GetPools()->GetTxdPool().IsFreeTextureDictonarySlot(m_dwModelID - MODELINFO_DFF_MAX);
if (m_dwModelID >= pGame->GetBaseIDforTXD() && m_dwModelID < pGame->GetCountOfAllFileIDs())
return true;
if (!ppModelInfo[m_dwModelID])
return false;
return true;
}
bool CModelInfoSA::IsAllocatedInArchive() const noexcept
{
return pGame->GetStreaming()->GetStreamingInfo(m_dwModelID)->sizeInBlocks > 0;
}
float CModelInfoSA::GetDistanceFromCentreOfMassToBaseOfModel()
{
DWORD dwModelInfo = 0;
DWORD ModelID = m_dwModelID;
float fReturn = 0;
_asm {
mov eax, ModelID
push ecx
mov ecx, dword ptr[ARRAY_ModelInfo]
mov eax, dword ptr[ecx + eax*4]
pop ecx
mov eax, [eax+20]
cmp eax, 0
jz skip
fld [eax + 8]
fchs
fstp fReturn
skip:
}
return fReturn;
}
unsigned short CModelInfoSA::GetTextureDictionaryID()
{
m_pInterface = ppModelInfo[m_dwModelID];
if (m_pInterface)
return m_pInterface->usTextureDictionary;
return 0;
}
void CModelInfoSA::SetTextureDictionaryID(unsigned short usID)
{
m_pInterface = ppModelInfo[m_dwModelID];
if (!m_pInterface)
return;
// Remove ref from the old TXD
CTxdStore_RemoveRef(m_pInterface->usTextureDictionary);
// Store vanilla TXD ID
if (!MapContains(ms_DefaultTxdIDMap, m_dwModelID))
ms_DefaultTxdIDMap[m_dwModelID] = m_pInterface->usTextureDictionary;
// Set new TXD and increase ref of it
m_pInterface->usTextureDictionary = usID;
CTxdStore_AddRef(usID);
}
void CModelInfoSA::ResetTextureDictionaryID()
{
const auto it = ms_DefaultTxdIDMap.find(m_dwModelID);
if (it == ms_DefaultTxdIDMap.end()) {
return;
}
SetTextureDictionaryID(it->second);
ms_DefaultTxdIDMap.erase(it); // Only erase after calling the function above [otherwise gets reinserted]
}
void CModelInfoSA::StaticResetTextureDictionaries()
{
while (!ms_DefaultTxdIDMap.empty())
{
const auto mi = pGame->GetModelInfo(ms_DefaultTxdIDMap.begin()->first);
if (mi)
{
mi->ResetTextureDictionaryID();
}
else
{
// Model was deallocated. Skip and remove it from our list.
ms_DefaultTxdIDMap.erase(ms_DefaultTxdIDMap.begin());
}
}
}
float CModelInfoSA::GetLODDistance()
{
m_pInterface = ppModelInfo[m_dwModelID];
if (m_pInterface)
return m_pInterface->fLodDistanceUnscaled;
return 0.0f;
}
bool CModelInfoSA::SetTime(char cHourOn, char cHourOff)
{
m_pInterface = ppModelInfo[m_dwModelID];
if (!m_pInterface)
return false;
if (GetModelType() != eModelInfoType::TIME)
return false;
CTimeInfoSAInterface* pTime = &static_cast<CTimeModelInfoSAInterface*>(m_pInterface)->timeInfo;
if (!MapContains(ms_ModelDefaultModelTimeInfo, pTime))
MapSet(ms_ModelDefaultModelTimeInfo, pTime, new CTimeInfoSAInterface(pTime->m_nTimeOn, pTime->m_nTimeOff, pTime->m_wOtherTimeModel));
pTime->m_nTimeOn = cHourOn;
pTime->m_nTimeOff = cHourOff;
return true;
}
bool CModelInfoSA::GetTime(char& cHourOn, char& cHourOff)
{
m_pInterface = ppModelInfo[m_dwModelID];
if (!m_pInterface)
return false;
if (GetModelType() != eModelInfoType::TIME)
return false;
CTimeInfoSAInterface* pTime = &static_cast<CTimeModelInfoSAInterface*>(m_pInterface)->timeInfo;
cHourOn = pTime->m_nTimeOn;
cHourOff = pTime->m_nTimeOff;
return true;
}
void CModelInfoSA::StaticResetModelTimes()
{
for (auto const& x : ms_ModelDefaultModelTimeInfo)
{
x.first->m_nTimeOn = x.second->m_nTimeOn;
x.first->m_nTimeOff = x.second->m_nTimeOff;
}
ms_ModelDefaultModelTimeInfo.clear();
}
float CModelInfoSA::GetOriginalLODDistance()
{
// Return default LOD distance value (if doesn't exist, LOD distance hasn't been changed)
if (MapContains(ms_ModelDefaultLodDistanceMap, m_dwModelID))
return MapGet(ms_ModelDefaultLodDistanceMap, m_dwModelID);
return 0.0f;
}
void CModelInfoSA::SetLODDistance(float fDistance, bool bOverrideMaxDistance)
{
#if 0
// fLodDistanceUnscaled values:
//
// With the draw distance setting in GTA SP options menu set to maximum:
// 0 - 170 roughly correlates to a LOD distance of 0 - 300 game units
// 170 - 480 sets the LOD distance to 300 game units and has a negative effect on the alpha fade-in
// 490 - 1e7 sets the LOD distance to 300 game units and removes the alpha fade-in completely
//
// With the draw distance setting in GTA SP options menu set to minimum:
// 0 - 325 roughly correlates to a LOD distance of 0 - 300 game units
// 340 - 960 sets the LOD distance to 300 game units and has a negative effect on the alpha fade-in
// 1000 - 1e7 sets the LOD distance to 300 game units and removes the alpha fade-in completely
//
// So, to ensure the maximum draw distance with a working alpha fade-in, fLodDistanceUnscaled has to be
// no more than: 325 - (325-170) * draw_distance_setting
//
if (!bOverrideMaxDistance) {
// Change GTA draw distance value from 0.925 to 1.8 into 0 to 1
float fDrawDistanceSetting = UnlerpClamped(0.925f, CSettingsSA().GetDrawDistance(), 1.8f);
// Calc max setting allowed for fLodDistanceUnscaled to preserve alpha fade-in
float fMaximumValue = Lerp(325.f, fDrawDistanceSetting, 170.f);
// Ensure fDistance is in range
fDistance = std::min(fDistance, fMaximumValue);
}
#endif
if (!bOverrideMaxDistance)
{
// Limit to 325.f as it goes horrible after that
fDistance = std::min(fDistance, 325.f);
}
m_pInterface = ppModelInfo[m_dwModelID];
if (m_pInterface)
{
// Save default value if not done yet
if (!MapContains(ms_ModelDefaultLodDistanceMap, m_dwModelID))
MapSet(ms_ModelDefaultLodDistanceMap, m_dwModelID, m_pInterface->fLodDistanceUnscaled);
m_pInterface->fLodDistanceUnscaled = fDistance;
}
}
void CModelInfoSA::StaticResetLodDistances()
{
// Restore default values
for (std::map<DWORD, float>::const_iterator iter = ms_ModelDefaultLodDistanceMap.begin(); iter != ms_ModelDefaultLodDistanceMap.end(); ++iter)
{
CBaseModelInfoSAInterface* pInterface = ppModelInfo[iter->first];
if (pInterface)
pInterface->fLodDistanceUnscaled = iter->second;
}
ms_ModelDefaultLodDistanceMap.clear();
}
void CModelInfoSA::RestreamIPL()
{
// IPLs should not contain peds, weapons, vehicles and vehicle upgrades
if (m_dwModelID > 611 && (m_dwModelID < 1000 || m_dwModelID > 1193))
MapSet(ms_RestreamTxdIDMap, GetTextureDictionaryID(), 0);
}
void CModelInfoSA::StaticFlushPendingRestreamIPL()
{
if (ms_RestreamTxdIDMap.empty())
return;
// This function restreams all instances of the model *that are from the default SA world (ipl)*.
// In other words, it does not affect elements created by MTA.
// It's mostly a reimplementation of SA's DeleteAllRwObjects, except that it filters by model ID.
((void (*)())FUNC_FlushRequestList)();
std::set<unsigned short> removedModels;
for (int i = 0; i < 2 * NUM_StreamSectorRows * NUM_StreamSectorCols; i++)
{
DWORD* pSectorEntry = ((DWORD**)ARRAY_StreamSectors)[i];
while (pSectorEntry)
{
CEntitySAInterface* pEntity = (CEntitySAInterface*)pSectorEntry[0];
// Possible bug - pEntity seems to be invalid here occasionally
if (pEntity->vtbl->DeleteRwObject != 0x00534030)
{
// Log info
OutputDebugString(SString("Entity 0x%08x (with model %d) at ARRAY_StreamSectors[%d,%d] is invalid\n", pEntity, pEntity->m_nModelIndex,
i / 2 % NUM_StreamSectorRows, i / 2 / NUM_StreamSectorCols));
// Assert in debug
#if MTA_DEBUG
assert(pEntity->vtbl->DeleteRwObject == 0x00534030);
#endif