Objects animations

Author: FileEX

Client/game_sa/CAnimBlendAssociationSA.h

@@ -171,6 +171,8 @@ class CAnimBlendAssociationSA : public CAnimBlendAssociation
     float GetLength() const noexcept { return GetAnimHierarchy()->GetTotalTime(); }
     void  SetAnimID(short sAnimID) { m_pInterface->sAnimID = sAnimID; }
     void  SetAnimGroup(short sAnimGroup) { m_pInterface->sAnimGroup = sAnimGroup; }
+
+    short GetFlags() const override { return m_pInterface->m_nFlags; }
     void  SetFlags(short sFlags) { m_pInterface->m_nFlags = sFlags; }
 
 protected:

Client/game_sa/CAnimManagerSA.cpp

@@ -418,13 +418,17 @@ std::unique_ptr<CAnimBlendAssociation> CAnimManagerSA::BlendAnimation(RpClump* p
 }
 
 std::unique_ptr<CAnimBlendAssociation> CAnimManagerSA::BlendAnimation(RpClump* pClump, CAnimBlendHierarchy* pHierarchy, int ID, float fBlendDelta)
+{
+    return BlendAnimation(pClump, pHierarchy->GetInterface(), ID, fBlendDelta);
+}
+
+std::unique_ptr<CAnimBlendAssociation> CAnimManagerSA::BlendAnimation(RpClump* pClump, CAnimBlendHierarchySAInterface* pHierarchyInterface, int ID, float fBlendDelta)
 {
     if (!pClump)
-        return NULL;
+        return nullptr;
 
     CAnimBlendAssociationSAInterface* pInterface = nullptr;
     DWORD                             dwFunc = FUNC_CAnimManager_BlendAnimation_hier;
-    CAnimBlendHierarchySAInterface*   pHierarchyInterface = pHierarchy->GetInterface();
     __asm
     {
         push    fBlendDelta
@@ -435,10 +439,10 @@ std::unique_ptr<CAnimBlendAssociation> CAnimManagerSA::BlendAnimation(RpClump* p
         mov     pInterface, eax
         add     esp, 0x10
     }
+
     if (pInterface)
-    {
         return std::make_unique<CAnimBlendAssociationSA>(pInterface);
-    }
+
     return nullptr;
 }
 

Client/game_sa/CAnimManagerSA.h

@@ -109,6 +109,7 @@ class CAnimManagerSA : public CAnimManager
                                                                AnimationId animID);
     std::unique_ptr<CAnimBlendAssociation> BlendAnimation(RpClump* pClump, AssocGroupId animGroup, AnimationId animID, float fBlendDelta);
     std::unique_ptr<CAnimBlendAssociation> BlendAnimation(RpClump* pClump, CAnimBlendHierarchy* pHierarchy, int ID, float fBlendDelta);
+    std::unique_ptr<CAnimBlendAssociation> BlendAnimation(RpClump* pClump, CAnimBlendHierarchySAInterface* pHierarchyInterface, int ID, float fBlendDelta);
 
     void AddAnimBlockRef(int ID);
     void RemoveAnimBlockRef(int ID);

Client/game_sa/CBuildingSA.cpp

@@ -15,6 +15,8 @@
 #include "CGameSA.h"
 #include "CMatrixLinkSA.h"
 #include "CDynamicPool.h"
+#include "CAnimManagerSA.h"
+#include "gamesa_renderware.h"
 
 extern CGameSA* pGame;
 
@@ -70,6 +72,33 @@ void CBuildingSA::SetLod(CBuilding* pLod)
     }
 }
 
+void CBuildingSA::SetAnimation(CAnimBlendHierarchySAInterface* animation)
+{
+    if (!m_pInterface || !m_pInterface->m_pRwObject)
+        return;
+
+    RpClump* clump = reinterpret_cast<RpClump*>(m_pInterface->m_pRwObject);
+
+    if (!RpAnimBlendClumpIsInitialized(clump) && animation)
+        RpAnimBlendClumpInit(clump);
+
+    if (animation)
+        pGame->GetAnimManager()->BlendAnimation(clump, animation, ANIMATION_IS_LOOPED, 1.0f);
+}
+
+bool CBuildingSA::SetAnimationSpeed(float speed)
+{
+    if (!m_pInterface || !m_pInterface->m_pRwObject)
+        return false;
+
+    auto assoc = pGame->GetAnimManager()->RpAnimBlendClumpGetFirstAssociation(GetRpClump());
+    if (!assoc)
+        return false;
+
+    assoc->SetCurrentSpeed(speed);
+    return true;
+}
+
 void CBuildingSA::AllocateMatrix()
 {
     auto* newMatrix = g_matrixPool.AllocateItem();

Client/game_sa/CBuildingSA.h

@@ -27,6 +27,8 @@ class CBuildingSA final : public virtual CBuilding, public virtual CEntitySA
     CBuildingSAInterface* GetBuildingInterface() { return static_cast<CBuildingSAInterface*>(GetInterface()); };
 
     void SetLod(CBuilding* pLod) override;
+    void SetAnimation(class CAnimBlendHierarchySAInterface* animation) override;
+    bool SetAnimationSpeed(float speed) override;
 
     void AllocateMatrix();
     void ReallocateMatrix();

Client/game_sa/CBuildingsPoolSA.cpp

@@ -60,7 +60,7 @@ CClientEntity* CBuildingsPoolSA::GetClientBuilding(CBuildingSAInterface* pGameIn
     return m_buildingPool.entities[poolIndex].pClientEntity;
 }
 
-CBuilding* CBuildingsPoolSA::AddBuilding(CClientBuilding* pClientBuilding, uint16_t modelId, CVector* vPos, CVector* vRot, uint8_t interior)
+CBuilding* CBuildingsPoolSA::AddBuilding(CClientBuilding* pClientBuilding, uint16_t modelId, CVector* vPos, CVector* vRot, uint8_t interior, bool anim)
 {
     if (!HasFreeBuildingSlot())
         return nullptr;
@@ -80,7 +80,13 @@ CBuilding* CBuildingsPoolSA::AddBuilding(CClientBuilding* pClientBuilding, uint1
     instance.position = *vPos;
     instance.rotation = {};
 
+    // Trick to create CAnimatedBuilding
+    bool hasAnimBlend = modelInfo->GetInterface()->bHasAnimBlend;
+    if (anim)
+        modelInfo->GetInterface()->bHasAnimBlend = true;
+
     auto pBuilding = static_cast<CBuildingSAInterface*>(CFileLoaderSA::LoadObjectInstance(&instance));
+    modelInfo->GetInterface()->bHasAnimBlend = hasAnimBlend;
 
     // Disable lod and ipl
     pBuilding->m_pLod = nullptr;

Client/game_sa/CBuildingsPoolSA.h

@@ -22,7 +22,7 @@ class CBuildingsPoolSA : public CBuildingsPool
     CBuildingsPoolSA();
     ~CBuildingsPoolSA() = default;
 
-    CBuilding* AddBuilding(CClientBuilding*, uint16_t modelId, CVector* vPos, CVector* vRot, uint8_t interior);
+    CBuilding* AddBuilding(CClientBuilding*, uint16_t modelId, CVector* vPos, CVector* vRot, uint8_t interior, bool anim);
     void       RemoveBuilding(CBuilding* pBuilding);
     bool       HasFreeBuildingSlot();
 

Client/game_sa/CGameSA.cpp

@@ -372,6 +372,28 @@ CModelInfo* CGameSA::GetModelInfo(DWORD dwModelID, bool bCanBeInvalid)
     return nullptr;
 }
 
+CModelInfo* CGameSA::GetModelInfo(CBaseModelInfoSAInterface* baseModelInfo)
+{
+    static std::unordered_map<CBaseModelInfoSAInterface*, CModelInfoSA*> s_cache;
+
+    auto it = s_cache.find(baseModelInfo);
+    if (it != s_cache.end())
+        return it->second;
+
+    const std::size_t count = GetCountOfAllFileIDs();
+    for (std::size_t i = 0; i < count; i++)
+    {
+        CModelInfoSA* modelInfo = &ModelInfo[i];
+        if (modelInfo && modelInfo->IsValid() && modelInfo->GetInterface() == baseModelInfo)
+        {
+            s_cache[baseModelInfo] = modelInfo;
+            return modelInfo;
+        }
+    }
+
+    return nullptr;
+}
+
 /**
  * Starts the game
  * \todo make addresses into constants
@@ -1155,6 +1177,11 @@ void CGameSA::ResetModelTimes()
     CModelInfoSA::StaticResetModelTimes();
 }
 
+void CGameSA::ResetModelAnimations()
+{
+    CModelInfoSA::StaticResetModelAnimations();
+}
+
 void CGameSA::ResetAlphaTransparencies()
 {
     CModelInfoSA::StaticResetAlphaTransparencies();

Client/game_sa/CGameSA.h

@@ -183,6 +183,7 @@ class CGameSA : public CGame
 
     CWeaponInfo*                    GetWeaponInfo(eWeaponType weapon, eWeaponSkill skill = WEAPONSKILL_STD);
     CModelInfo*                     GetModelInfo(DWORD dwModelID, bool bCanBeInvalid = false);
+    CModelInfo*                     GetModelInfo(CBaseModelInfoSAInterface* baseModelInfo);
     CObjectGroupPhysicalProperties* GetObjectGroupPhysicalProperties(unsigned char ucObjectGroup);
 
     uint32_t GetBaseIDforDFF() override { return 0; }
@@ -302,6 +303,7 @@ class CGameSA : public CGame
     void         ResetAlphaTransparencies();
     void         DisableVSync();
     void         ResetModelTimes();
+    void         ResetModelAnimations() override;
 
     void  OnPedContextChange(CPed* pPedContext);
     CPed* GetPedContext();

Client/game_sa/CModelInfoSA.cpp

@@ -20,6 +20,7 @@
 #include "CPedSA.h"
 #include "CWorldSA.h"
 #include "gamesa_renderware.h"
+#include "CAnimManagerSA.h"
 
 extern CCoreInterface* g_pCore;
 extern CGameSA*        pGame;
@@ -36,6 +37,7 @@ std::map<CTimeInfoSAInterface*, CTimeInfoSAInterface*>                CModelInfo
 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_set<std::uint32_t>                                     CModelInfoSA::ms_modelsModifiedAnim;
 
 union tIdeFlags
 {
@@ -1517,6 +1519,28 @@ void CModelInfoSA::ResetAllVehiclesWheelSizes()
     ms_VehicleModelDefaultWheelSizes.clear();
 }
 
+void CModelInfoSA::StaticResetModelAnimations()
+{
+    for (auto& it : ms_modelsModifiedAnim)
+    {
+        CModelInfo* modelInfo = pGame->GetModelInfo(it);
+        if (modelInfo)
+        {
+            modelInfo->DisableObjectAnimation(false);
+            modelInfo->SetObjectAnimation(nullptr, 0);
+        }
+
+        CBaseModelInfoSAInterface* modelInfoInterface = modelInfo->GetInterface();
+        if (modelInfoInterface)
+        {
+            modelInfoInterface->bHasAnimBlend = static_cast<CClumpModelInfoSAInterface*>(modelInfoInterface)->m_nAnimFileIndex != -1;
+            modelInfoInterface->bAnimSomething = modelInfoInterface->bHasAnimBlend;
+        }
+    }
+
+    ms_modelsModifiedAnim.clear();
+}
+
 bool CModelInfoSA::SetCustomModel(RpClump* pClump)
 {
     if (!pClump)
@@ -1938,6 +1962,8 @@ static void __declspec(naked) HOOK_NodeNameStreamRead()
 void CModelInfoSA::StaticSetHooks()
 {
     EZHookInstall(NodeNameStreamRead);
+
+    HookInstallVTBLCall((void*)0x85BD5C, (std::uintptr_t)CClumpModelInfoSAInterface::CreateInstance);
 }
 
 // Recursive RwFrame children searching function
@@ -2183,3 +2209,52 @@ bool CVehicleModelInfoSAInterface::IsComponentDamageable(int componentIndex) con
 {
     return pVisualInfo->m_maskComponentDamagable & (1 << componentIndex);
 }
+
+RpClump* __fastcall CClumpModelInfoSAInterface::CreateInstance(CClumpModelInfoSAInterface* clumpModelInfo)
+{
+    if (!clumpModelInfo->pRwObject)
+        return nullptr;
+
+    clumpModelInfo->AddRef();
+
+    RpClump* clump = RpClumpClone(reinterpret_cast<RpClump*>(clumpModelInfo->pRwObject));
+
+    if (IsClumpSkinned(clump) && !clumpModelInfo->bHasComplexHierarchy)
+    {
+        RpHAnimHierarchy* hier = GetAnimHierarchyFromClump(clump);
+        RpClumpForAllAtomics(clump, *(RpClumpForAllAtomicsCB_t*)0x4C4EF0, hier);
+
+        RtAnimAnimation* animForHierarchy = RpAnimBlendCreateAnimationForHierarchy(hier);
+        RtAnimInterpolatorSetCurrentAnim(hier->currentAnim, animForHierarchy);
+        hier->flags = rpHANIMHIERARCHYUPDATEMODELLINGMATRICES | rpHANIMHIERARCHYUPDATELTMS;
+    }
+
+    if (clumpModelInfo->bHasAnimBlend)
+    {
+        CAnimBlendHierarchySAInterface* anim = nullptr;
+        auto* modelInfo = pGame->GetModelInfo(static_cast<CBaseModelInfoSAInterface*>(clumpModelInfo));
+
+        if (clumpModelInfo->m_nAnimFileIndex != -1)
+        {
+            if (!modelInfo || !modelInfo->IsObjectAnimationDisabled())
+            {
+                if (auto block = pGame->GetAnimManager()->GetAnimationBlock(clumpModelInfo->m_nAnimFileIndex))
+                {
+                    if (auto animation = pGame->GetAnimManager()->GetAnimation(clumpModelInfo->ulHashKey, block))
+                        anim = animation->GetInterface();
+                }
+            }
+        }
+        else if (modelInfo)
+            anim = modelInfo->GetObjectAnimation();
+
+        if (anim)
+        {
+            RpAnimBlendClumpInit(clump);
+            pGame->GetAnimManager()->BlendAnimation(clump, anim, ANIMATION_IS_LOOPED, 1.0f);
+        }
+    }
+
+    clumpModelInfo->RemoveRef();
+    return clump;
+}