// ProjectileEntity.h
// Declares the cProjectileEntity class representing the common base class for projectiles
#pragma once
#include "Entity.h"
// tolua_begin
class cProjectileEntity :
public cEntity
{
// tolua_end
using Super = cEntity;
// tolua_begin
public:
/** The kind of the projectile. */
enum eKind
{
pkArrow,
pkSnowball,
pkEgg,
pkGhastFireball,
pkFireCharge,
pkEnderPearl,
pkExpBottle,
pkSplashPotion,
pkFirework,
pkWitherSkull,
} ;
// tolua_end
CLASS_PROTODEF(cProjectileEntity)
cProjectileEntity(eKind a_Kind, cEntity * a_Creator, Vector3d a_Pos, float a_Width, float a_Height);
cProjectileEntity(eKind a_Kind, cEntity * a_Creator, Vector3d a_Pos, Vector3d a_Speed, float a_Width, float a_Height);
/** Creates a new instance of the specified projectile entity.
a_Item is the item from which the projectile originated (such as firework or arrow). */
static std::unique_ptr<cProjectileEntity> Create(
eKind a_Kind,
cEntity * a_Creator,
Vector3d a_Pos,
const cItem * a_Item,
const Vector3d * a_Speed = nullptr
);
/** OBSOLETE, use the Vector3d-based overload instead.
Creates a new instance of the specified projectile entity.
a_Item is the item from which the projectile originated (such as firework or arrow). */
static std::unique_ptr<cProjectileEntity> Create(
eKind a_Kind,
cEntity * a_Creator,
double a_PosX, double a_PosY, double a_PosZ,
const cItem * a_Item,
const Vector3d * a_Speed = nullptr
)
{
return Create(a_Kind, a_Creator, {a_PosX, a_PosY, a_PosZ}, a_Item, a_Speed);
}
/** Called by the physics blocktracer when the entity hits a solid block, the hit position and the face hit (BLOCK_FACE_) is given */
virtual void OnHitSolidBlock(Vector3d a_HitPos, eBlockFace a_HitFace);
/** Called by the physics blocktracer when the entity hits another entity */
virtual void OnHitEntity(cEntity & a_EntityHit, Vector3d a_HitPos);
/** Called by Chunk when the projectile is eligible for player collection */
virtual void CollectedBy(cPlayer & a_Dest);
// tolua_begin
/** Returns the kind of the projectile (fast class identification) */
eKind GetProjectileKind(void) const { return m_ProjectileKind; }
/** Returns the unique ID of the entity who created this projectile
May return an ID <0
*/
UInt32 GetCreatorUniqueID(void) const { return m_CreatorData.m_UniqueID; }
/** Returns the name of the player that created the projectile
Will be empty for non-player creators
*/
AString GetCreatorName(void) const { return m_CreatorData.m_Name; }
/** Returns the string that is used as the entity type (class name) in MCA files */
AString GetMCAClassName(void) const;
/** Returns true if the projectile has hit the ground and is stuck there */
bool IsInGround(void) const { return m_IsInGround; }
// tolua_end
/** Sets the internal InGround flag. To be used by MCA loader only! */
void SetIsInGround(bool a_IsInGround) { m_IsInGround = a_IsInGround; }
protected:
/** A structure that stores the Entity ID and Playername of the projectile's creator
Used to migitate invalid pointers caused by the creator being destroyed. */
struct CreatorData
{
CreatorData(UInt32 a_UniqueID, const AString & a_Name, const cEnchantments & a_Enchantments) :
m_UniqueID(a_UniqueID),
m_Name(a_Name),
m_Enchantments(a_Enchantments)
{
}
const UInt32 m_UniqueID;
AString m_Name;
cEnchantments m_Enchantments;
};
/** The type of projectile I am */
eKind m_ProjectileKind;
/** The structure for containing the entity ID and name who has created this projectile
The ID and / or name may be nullptr (e.g. for dispensers / mobs). */
CreatorData m_CreatorData;
/** True if the projectile has hit the ground and is stuck there */
bool m_IsInGround;
// cEntity overrides:
virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
virtual void HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
virtual void SpawnOn(cClientHandle & a_Client) final override;
} ; // tolua_export
