Added m_TicksAlive to entities, allows projectiles to hit their creators

src/Entities/Entity.cpp

@@ -49,6 +49,7 @@ cEntity::cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z, d
 	, m_IsSubmerged(false)
 	, m_AirLevel(0)
 	, m_AirTickTimer(0)
+	, m_TicksAlive(0)
 	, m_HeadYaw(0.0)
 	, m_Rot(0.0, 0.0, 0.0)
 	, m_Pos(a_X, a_Y, a_Z)
@@ -559,6 +560,8 @@ void cEntity::SetHealth(int a_Health)
 
 void cEntity::Tick(float a_Dt, cChunk & a_Chunk)
 {
+	m_TicksAlive++;
+	
 	if (m_InvulnerableTicks > 0)
 	{
 		m_InvulnerableTicks--;

src/Entities/Entity.h

@@ -416,6 +416,9 @@ public:
 	/** Gets remaining air of a monster */
 	int GetAirLevel(void) const { return m_AirLevel; }
 
+	/** Gets number of ticks this entity has existed for */
+	long int GetTicksAlive(void) const { return m_TicksAlive; }
+	
 	/** Gets the invulnerable ticks from the entity */
 	int GetInvulnerableTicks(void) const { return m_InvulnerableTicks; }
 
@@ -521,6 +524,9 @@ protected:
 	int m_AirLevel;
 	int m_AirTickTimer;
 	
+	/** The number of ticks this entity has been alive for */
+	long int m_TicksAlive;
+	
 private:
 	/** Measured in degrees, [-180, +180) */
 	double   m_HeadYaw;

src/Entities/ProjectileEntity.cpp

@@ -146,9 +146,11 @@ public:
 			(a_Entity->GetUniqueID() == m_Projectile->GetCreatorUniqueID())  // Do not check whoever shot the projectile
 		)
 		{
-			// TODO: Don't check creator only for the first 5 ticks
-			// so that arrows stuck in ground and dug up can hurt the player
-			return false;
+			// Don't check creator only for the first 5 ticks so that projectiles can collide with the creator
+			if (m_Projectile->GetTicksAlive() <= 5)
+			{
+				return false;
+			}
 		}
 		
 		cBoundingBox EntBox(a_Entity->GetPosition(), a_Entity->GetWidth() / 2, a_Entity->GetHeight());