Fix jetpack issues after #3511 (#4102)

Author: FileEX

Client/game_sa/TaskJumpFallSA.h

@@ -59,7 +59,7 @@ class CTaskSimpleClimbSA : public virtual CTaskSimpleSA, public virtual CTaskSim
 class CTaskSimpleJetPackSAInterface : public CTaskSimpleSAInterface
 {
 public:
-    unsigned char m_bIsFinished;
+    bool          m_bIsFinished;
     unsigned char m_bAddedIdleAnim;
     unsigned char m_bAnimsReferenced;
     unsigned char m_bAttackButtonPressed;
@@ -100,4 +100,6 @@ class CTaskSimpleJetPackSA : public virtual CTaskSimpleSA, public virtual CTaskS
 public:
     CTaskSimpleJetPackSA(){};
     CTaskSimpleJetPackSA(const CVector* pVecTargetPos, float fCruiseHeight = 10.0f, int nHoverTime = 0);
+
+    bool IsFinished() const override { return static_cast<const CTaskSimpleJetPackSAInterface*>(GetInterface())->m_bIsFinished; }
 };

Client/mods/deathmatch/logic/CClientPed.cpp

@@ -4602,6 +4602,10 @@ bool CClientPed::HasJetPack()
         CTask* pPrimaryTask = m_pTaskManager->GetSimplestActiveTask();
         if (pPrimaryTask && pPrimaryTask->GetTaskType() == TASK_SIMPLE_JETPACK)
         {
+            auto* jetpackTask = dynamic_cast<CTaskSimpleJetPack*>(pPrimaryTask);
+            if (jetpackTask && jetpackTask->IsFinished())
+                return false;
+
             return true;
         }
         return false;

Client/sdk/game/TaskJumpFall.h

@@ -23,4 +23,6 @@ class CTaskSimpleJetPack : public virtual CTaskSimple
 {
 public:
     virtual ~CTaskSimpleJetPack(){};
+
+    virtual bool IsFinished() const = 0;
 };