Merge pull request #1353 from mc-server/Effects

Added speed entity effect.

MCServer/Plugins/APIDump/APIDesc.lua

@@ -1641,6 +1641,8 @@ a_Player:OpenWindow(Window);
 				MobTypeToString = { Params = "{{cMonster#MobType|MobType}}", Return = "string", Notes = "(STATIC) Returns the string representing the given mob type ({{cMonster#MobType|mtXXX}} constant), or empty string if unknown type." },
 				MoveToPosition = { Params = "Position", Return = "", Notes = "Moves mob to the specified position" },
 				StringToMobType = { Params = "string", Return = "{{cMonster#MobType|MobType}}", Notes = "(STATIC) Returns the mob type ({{cMonster#MobType|mtXXX}} constant) parsed from the string type (\"creeper\"), or mtInvalidType if unrecognized." },
+				GetRelativeWalkSpeed = { Params = "", Return = "number", Notes = "Returns the relative walk speed of this mob. Standard is 1.0" },
+				SetRelativeWalkSpeed = { Params = "number", Return = "", Notes = "Sets the relative walk speed of this mob. Standard is 1.0" },
 			},
 			Constants =
 			{

src/ClientHandle.cpp

@@ -1063,7 +1063,7 @@ void cClientHandle::HandleBlockDigStarted(int a_BlockX, int a_BlockY, int a_Bloc
 		(m_Player->GetWorld()->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_FIRE)
 	)
 	{
-		// Players can't destroy blocks with a Sword in the hand.
+		// Players can't destroy blocks with a sword in the hand.
 		return;
 	}
 

src/Entities/EntityEffect.cpp

@@ -232,6 +232,92 @@ void cEntityEffect::OnTick(cPawn & a_Target)
 
 
 
+////////////////////////////////////////////////////////////////////////////////
+// cEntityEffectSpeed:
+
+void cEntityEffectSpeed::OnActivate(cPawn & a_Target)
+{
+	if (a_Target.IsMob())
+	{
+		cMonster * Mob = (cMonster*) &a_Target;
+		Mob->SetRelativeWalkSpeed(Mob->GetRelativeWalkSpeed() + 0.2 * m_Intensity);
+	}
+	else if (a_Target.IsPlayer())
+	{
+		cPlayer * Player = (cPlayer*) &a_Target;
+		Player->SetNormalMaxSpeed(Player->GetNormalMaxSpeed() + 0.2 * m_Intensity);
+		Player->SetSprintingMaxSpeed(Player->GetSprintingMaxSpeed() + 0.26 * m_Intensity);
+		Player->SetFlyingMaxSpeed(Player->GetFlyingMaxSpeed() + 0.2 * m_Intensity);
+	}
+}
+
+
+
+
+
+void cEntityEffectSpeed::OnDeactivate(cPawn & a_Target)
+{
+	if (a_Target.IsMob())
+	{
+		cMonster * Mob = (cMonster*) &a_Target;
+		Mob->SetRelativeWalkSpeed(Mob->GetRelativeWalkSpeed() - 0.2 * m_Intensity);
+	}
+	else if (a_Target.IsPlayer())
+	{
+		cPlayer * Player = (cPlayer*) &a_Target;
+		Player->SetNormalMaxSpeed(Player->GetNormalMaxSpeed() - 0.2 * m_Intensity);
+		Player->SetSprintingMaxSpeed(Player->GetSprintingMaxSpeed() - 0.26 * m_Intensity);
+		Player->SetFlyingMaxSpeed(Player->GetFlyingMaxSpeed() - 0.2 * m_Intensity);
+	}
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cEntityEffectSlowness:
+
+void cEntityEffectSlowness::OnActivate(cPawn & a_Target)
+{
+	if (a_Target.IsMob())
+	{
+		cMonster * Mob = (cMonster*) &a_Target;
+		Mob->SetRelativeWalkSpeed(Mob->GetRelativeWalkSpeed() - 0.15 * m_Intensity);
+	}
+	else if (a_Target.IsPlayer())
+	{
+		cPlayer * Player = (cPlayer*) &a_Target;
+		Player->SetNormalMaxSpeed(Player->GetNormalMaxSpeed() - 0.15 * m_Intensity);
+		Player->SetSprintingMaxSpeed(Player->GetSprintingMaxSpeed() - 0.195 * m_Intensity);
+		Player->SetFlyingMaxSpeed(Player->GetFlyingMaxSpeed() - 0.15 * m_Intensity);
+	}
+}
+
+
+
+
+
+void cEntityEffectSlowness::OnDeactivate(cPawn & a_Target)
+{
+	if (a_Target.IsMob())
+	{
+		cMonster * Mob = (cMonster*) &a_Target;
+		Mob->SetRelativeWalkSpeed(Mob->GetRelativeWalkSpeed() + 0.15 * m_Intensity);
+	}
+	else if (a_Target.IsPlayer())
+	{
+		cPlayer * Player = (cPlayer*) &a_Target;
+		Player->SetNormalMaxSpeed(Player->GetNormalMaxSpeed() + 0.15 * m_Intensity);
+		Player->SetSprintingMaxSpeed(Player->GetSprintingMaxSpeed() + 0.195 * m_Intensity);
+		Player->SetFlyingMaxSpeed(Player->GetFlyingMaxSpeed() + 0.15 * m_Intensity);
+	}
+}
+
+
+
+
+
 ////////////////////////////////////////////////////////////////////////////////
 // cEntityEffectInstantHealth:
 

src/Entities/EntityEffect.h

@@ -137,6 +137,10 @@ public:
 		super(a_Duration, a_Intensity, a_DistanceModifier)
 	{
 	}
+
+	virtual void OnActivate(cPawn & a_Target) override;
+
+	virtual void OnDeactivate(cPawn & a_Target) override;
 };
 
 
@@ -152,6 +156,10 @@ public:
 		super(a_Duration, a_Intensity, a_DistanceModifier)
 	{
 	}
+
+	virtual void OnActivate(cPawn & a_Target) override;
+
+	virtual void OnDeactivate(cPawn & a_Target) override;
 };
 
 

src/Entities/Player.cpp

@@ -627,15 +627,6 @@ void cPlayer::FinishEating(void)
 		return;
 	}
 	ItemHandler->OnFoodEaten(m_World, this, &Item);
-
-	GetInventory().RemoveOneEquippedItem();
-
-	// if the food is mushroom soup, return a bowl to the inventory
-	if (Item.m_ItemType == E_ITEM_MUSHROOM_SOUP)
-	{
-		cItem EmptyBowl(E_ITEM_BOWL);
-		GetInventory().AddItem(EmptyBowl, true, true);
-	}
 }
 
 

src/Items/ItemFood.h

@@ -1,3 +1,4 @@
+
 #pragma once
 
 #include "ItemHandler.h"
@@ -39,7 +40,6 @@ public:
 			// Golden apple handled in ItemGoldenApple
 			case E_ITEM_GOLDEN_CARROT:    return FoodInfo(6, 14.4);
 			case E_ITEM_MELON_SLICE:      return FoodInfo(2, 1.2);
-			case E_ITEM_MUSHROOM_SOUP:    return FoodInfo(6, 7.2);
 			case E_ITEM_POISONOUS_POTATO: return FoodInfo(2, 1.2);
 			// Potatoes handled in ItemSeeds
 			case E_ITEM_PUMPKIN_PIE:      return FoodInfo(8, 4.8);

src/Items/ItemGoldenApple.h

@@ -36,6 +36,7 @@ public:
 			a_Player->AddEntityEffect(cEntityEffect::effFireResistance, 6000, 0);
 		}
 
+		a_Player->GetInventory().RemoveOneEquippedItem();
 		return true;
 	}
 

src/Items/ItemHandler.cpp

@@ -33,6 +33,7 @@
 #include "ItemLilypad.h"
 #include "ItemMap.h"
 #include "ItemMinecart.h"
+#include "ItemMushroomSoup.h"
 #include "ItemNetherWart.h"
 #include "ItemPainting.h"
 #include "ItemPickaxe.h"
@@ -125,6 +126,7 @@ cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
 		case E_BLOCK_LILY_PAD:         return new cItemLilypadHandler(a_ItemType);
 		case E_ITEM_MAP:               return new cItemMapHandler();
 		case E_ITEM_MILK:              return new cItemMilkHandler();
+		case E_ITEM_MUSHROOM_SOUP:     return new cItemMushroomSoupHandler(a_ItemType);
 		case E_ITEM_ITEM_FRAME:        return new cItemItemFrameHandler(a_ItemType);
 		case E_ITEM_NETHER_WART:       return new cItemNetherWartHandler(a_ItemType);
 		case E_ITEM_PAINTING:          return new cItemPaintingHandler(a_ItemType);
@@ -216,7 +218,6 @@ cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
 		case E_ITEM_COOKIE:
 		case E_ITEM_GOLDEN_CARROT:
 		case E_ITEM_MELON_SLICE:
-		case E_ITEM_MUSHROOM_SOUP:
 		case E_ITEM_MUTTON:
 		case E_ITEM_POISONOUS_POTATO:
 		case E_ITEM_PUMPKIN_PIE:
@@ -635,6 +636,10 @@ bool cItemHandler::GetEatEffect(cEntityEffect::eType & a_EffectType, int & a_Eff
 bool cItemHandler::EatItem(cPlayer * a_Player, cItem * a_Item)
 {
 	UNUSED(a_Item);
+	if (!a_Player->IsGameModeCreative())
+	{
+		a_Player->GetInventory().RemoveOneEquippedItem();
+	}
 
 	FoodInfo Info = GetFoodInfo();
 	if ((Info.FoodLevel > 0) || (Info.Saturation > 0.f))

src/Items/ItemMilk.h

@@ -21,8 +21,12 @@ public:
 	{
 		UNUSED(a_Item);
 		a_Player->ClearEntityEffects();
-		a_Player->GetInventory().RemoveOneEquippedItem();
-		a_Player->GetInventory().AddItem(E_ITEM_BUCKET);
+
+		if (!a_Player->IsGameModeCreative())
+		{
+			a_Player->GetInventory().RemoveOneEquippedItem();
+			a_Player->GetInventory().AddItem(E_ITEM_BUCKET);
+		}
 		return true;
 	}
 };

src/Items/ItemMushroomSoup.h

@@ -0,0 +1,53 @@
+
+#pragma once
+
+#include "ItemHandler.h"
+
+
+
+
+
+class cItemMushroomSoupHandler :
+	public cItemHandler
+{
+	typedef cItemHandler super;
+	
+public:
+	cItemMushroomSoupHandler(int a_ItemType)
+		: super(a_ItemType)
+	{
+	}
+
+
+	virtual bool IsFood(void) override
+	{
+		return true;
+	}
+
+
+	virtual FoodInfo GetFoodInfo(void) override
+	{
+		return FoodInfo(6, 7.2);
+	}
+
+
+	virtual bool EatItem(cPlayer * a_Player, cItem * a_Item) override
+	{
+		if (!super::EatItem(a_Player, a_Item))
+		{
+			return false;
+		}
+
+		// Return a bowl to the inventory
+		if (!a_Player->IsGameModeCreative())
+		{
+			a_Player->GetInventory().AddItem(cItem(E_ITEM_BOWL), true, true);
+		}
+		return true;
+	}
+
+};
+
+
+
+

src/Items/ItemPotion.h

@@ -68,8 +68,12 @@ public:
 			cEntityEffect::GetPotionEffectDuration(PotionDamage),
 			cEntityEffect::GetPotionEffectIntensity(PotionDamage)
 		);
-		a_Player->GetInventory().RemoveOneEquippedItem();
-		a_Player->GetInventory().AddItem(E_ITEM_GLASS_BOTTLE);
+
+		if (!a_Player->IsGameModeCreative())
+		{
+			a_Player->GetInventory().RemoveOneEquippedItem();
+			a_Player->GetInventory().AddItem(E_ITEM_GLASS_BOTTLE);
+		}
 		return true;
 	}
 };

src/Mobs/Monster.cpp

@@ -89,6 +89,7 @@ cMonster::cMonster(const AString & a_ConfigName, eType a_MobType, const AString
 	, m_DropChanceBoots(0.085f)
 	, m_CanPickUpLoot(true)
 	, m_BurnsInDaylight(false)
+	, m_RelativeWalkSpeed(1.0)
 {
 	if (!a_ConfigName.empty())
 	{
@@ -302,6 +303,9 @@ void cMonster::Tick(float a_Dt, cChunk & a_Chunk)
 				Distance *= 0.25f;
 			}
 
+			// Apply walk speed:
+			Distance *= m_RelativeWalkSpeed;
+
 			AddSpeedX(Distance.x);
 			AddSpeedZ(Distance.z);
 

src/Mobs/Monster.h

@@ -138,6 +138,9 @@ public:
 	/// Sets whether the mob burns in daylight. Only evaluated at next burn-decision tick
 	void SetBurnsInDaylight(bool a_BurnsInDaylight) { m_BurnsInDaylight = a_BurnsInDaylight; }
 
+	double GetRelativeWalkSpeed(void) const { return m_RelativeWalkSpeed; }  // tolua_export
+	void SetRelativeWalkSpeed(double a_WalkSpeed) { m_RelativeWalkSpeed = a_WalkSpeed; }  // tolua_export
+
 	// Overridables to handle ageable mobs
 	virtual bool IsBaby    (void) const { return false; }
 	virtual bool IsTame    (void) const { return false; }
@@ -248,6 +251,8 @@ protected:
 	void HandleDaylightBurning(cChunk & a_Chunk);
 	bool m_BurnsInDaylight;
 
+	double m_RelativeWalkSpeed;
+
 	/** Adds a random number of a_Item between a_Min and a_Max to itemdrops a_Drops*/
 	void AddRandomDropItem(cItems & a_Drops, unsigned int a_Min, unsigned int a_Max, short a_Item, short a_ItemHealth = 0);