Entity effects: Added handlers for entity effects

Implemented hunger, instant health, damage, poison, regen

Added "template" entity effect implementations

src/Entities/Pawn.cpp

@@ -24,6 +24,9 @@ void cPawn::Tick(float a_Dt, cChunk & a_Chunk)
 		 iter != m_EntityEffects.end();
 		 ++iter)
 	{
+		// Apply entity effect
+		HandleEntityEffects(iter->first, iter->second);
+		
 		// Reduce the effect's duration
 		iter->second.m_Ticks--;
 		
@@ -58,3 +61,95 @@ void cPawn::RemoveEntityEffect(cEntityEffect::eType a_EffectType)
 	m_EntityEffects.erase(a_EffectType);
 	//m_World->BroadcastRemoveEntityEffect(*this, a_EffectType);
 }
+
+
+
+
+
+void cPawn::HandleEntityEffects(cEntityEffect::eType a_EffectType, cEntityEffect a_Effect)
+{
+	switch (a_EffectType)
+	{
+		// Default effect behaviors
+		case cEntityEffect::efInstantHealth:
+		{
+			// Base heal = 6, doubles for every increase in intensity
+			Heal(6 * std::pow(2, a_Effect.GetIntensity()));
+			
+			// TODO: Harms undead
+			return;
+		}
+		case cEntityEffect::efInstantDamage:
+		{
+			// Base damage = 6, doubles for every increase in intensity
+			int damage = 6 * std::pow(2, a_Effect.GetIntensity());
+			TakeDamage(dtPotionOfHarming, a_Effect.GetUser(), damage, 0);
+			
+			// TODO: Heals undead
+			return;
+		}
+		case cEntityEffect::efStrength:
+		{
+			// TODO: Implement me!
+			return;
+		}
+		case cEntityEffect::efWeakness:
+		{
+			// Damage reduction = 0.5 damage, multiplied by potion level (Weakness II = 1 damage)
+			//double dmg_reduc = 0.5 * (a_Effect.GetIntensity() + 1);
+			
+			// TODO: Implement me!
+			// TODO: Weakened villager zombies can be turned back to villagers with the god apple
+			return;
+		}
+		case cEntityEffect::efRegeneration:
+		{
+			// Regen frequency = 50 ticks, divided by potion level (Regen II = 25 ticks)
+			int frequency = std::floor(50.0 / (double)(a_Effect.GetIntensity() + 1));
+			
+			static short counter = 0;
+			if (++counter >= frequency)
+			{
+				Heal(1);
+				counter = 0;
+			}
+			
+			// TODO: Doesn't effect undead
+			return;
+		}
+		case cEntityEffect::efPoison:
+		{
+			// Poison frequency = 25 ticks, divided by potion level (Poison II = 25 ticks)
+			int frequency = std::floor(25.0 / (double)(a_Effect.GetIntensity() + 1));
+			
+			static short counter = 0;
+			if (++counter >= frequency)
+			{
+				// Cannot take poison damage when health is at 1
+				if (GetHealth() > 1)
+				{
+					TakeDamage(dtPoisoning, a_Effect.GetUser(), 1, 0);
+				}
+				counter = 0;
+			}
+			
+			// TODO: Doesn't effect undead or spiders
+			return;
+		}
+		case cEntityEffect::efFireResistance:
+		{
+			// TODO: Implement me!
+			return;
+		}
+		case cEntityEffect::efSpeed:
+		{
+			// TODO: Implement me!
+			return;
+		}
+		case cEntityEffect::efSlowness:
+		{
+			// TODO: Implement me!
+			return;
+		}
+	}
+}

src/Entities/Pawn.h

@@ -27,6 +27,8 @@ public:
 
 protected:
 	std::map<cEntityEffect::eType, cEntityEffect> m_EntityEffects;
+	
+	virtual void HandleEntityEffects(cEntityEffect::eType a_EffectType, cEntityEffect a_Effect);
 } ;  // tolua_export
 
 

src/Entities/Player.cpp

@@ -584,12 +584,11 @@ void cPlayer::FoodPoison(int a_NumTicks)
 	m_FoodPoisonedTicksRemaining = std::max(m_FoodPoisonedTicksRemaining, a_NumTicks);
 	if (!HasBeenFoodPoisoned)
 	{
-		m_World->BroadcastRemoveEntityEffect(*this, cEntityEffect::efHunger);
 		SendHealth();
 	}
 	else
 	{
-		m_World->BroadcastEntityEffect(*this, cEntityEffect::efHunger, 0, 400); // Give the player the "Hunger" effect for 20 seconds.
+		AddEntityEffect(cEntityEffect::efHunger, cEntityEffect(0, 400)); // Give the player the "Hunger" effect for 20 seconds.
 	}
 }
 
@@ -1887,6 +1886,43 @@ void cPlayer::TickBurning(cChunk & a_Chunk)
 
 
 
+void cPlayer::HandleEntityEffects(cEntityEffect::eType a_EffectType, cEntityEffect a_Effect)
+{
+	switch (a_EffectType)
+	{
+		// Effects whose behaviors are overridden
+		case cEntityEffect::efMiningFatigue:
+		{
+			// TODO: Implement me!
+			return;
+		}
+		case cEntityEffect::efHunger:
+		{
+			m_FoodExhaustionLevel += 0.025;  // 0.5 per second = 0.025 per tick
+			return;
+		}
+		case cEntityEffect::efSaturation:
+		{
+			// Increase saturation 1 per tick, adds 1 for every increase in level
+			m_FoodSaturationLevel += (1 + a_Effect.GetIntensity());
+			return;
+		}
+		
+		// Client-side-only effects
+		case cEntityEffect::efNausia:
+		case cEntityEffect::efNightVision:
+		{
+			return;
+		}
+	}
+	
+	super::HandleEntityEffects(a_EffectType, a_Effect);
+}
+
+
+
+
+
 void cPlayer::HandleFood(void)
 {
 	// Ref.: http://www.minecraftwiki.net/wiki/Hunger
@@ -1921,17 +1957,6 @@ void cPlayer::HandleFood(void)
 			}
 		}
 	}
-	
-	// Apply food poisoning food exhaustion:
-	if (m_FoodPoisonedTicksRemaining > 0)
-	{
-		m_FoodPoisonedTicksRemaining--;
-		m_FoodExhaustionLevel += 0.025;  // 0.5 per second = 0.025 per tick
-	}
-	else
-	{
-		m_World->BroadcastRemoveEntityEffect(*this, cEntityEffect::efHunger); // Remove the "Hunger" effect.
-	}
 
 	// Apply food exhaustion that has accumulated:
 	if (m_FoodExhaustionLevel >= 4)

src/Entities/Player.h

@@ -526,6 +526,9 @@ protected:
 	/** Stops players from burning in creative mode */
 	virtual void TickBurning(cChunk & a_Chunk) override;
 	
+	/** Called each tick to handle entity effects*/
+	virtual void HandleEntityEffects(cEntityEffect::eType a_EffectType, cEntityEffect a_Effect) override;
+	
 	/** Called in each tick to handle food-related processing */
 	void HandleFood(void);