diff options
Diffstat (limited to 'src/Entities')
| -rw-r--r-- | src/Entities/ProjectileArrow.cpp | 193 | ||||
| -rw-r--r-- | src/Entities/ProjectileArrow.h | 95 | ||||
| -rw-r--r-- | src/Entities/ProjectileEntity.cpp | 195 | ||||
| -rw-r--r-- | src/Entities/ProjectileEntity.h | 88 |
4 files changed, 291 insertions, 280 deletions
diff --git a/src/Entities/ProjectileArrow.cpp b/src/Entities/ProjectileArrow.cpp new file mode 100644 index 000000000..bd4f2abab --- /dev/null +++ b/src/Entities/ProjectileArrow.cpp @@ -0,0 +1,193 @@ +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "Player.h" +#include "ProjectileArrow.h" +#include "../Chunk.h" + + + + + +cArrowEntity::cArrowEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d & a_Speed) : +super(pkArrow, a_Creator, a_X, a_Y, a_Z, 0.5, 0.5), +m_PickupState(psNoPickup), +m_DamageCoeff(2), +m_IsCritical(false), +m_Timer(0), +m_HitGroundTimer(0), +m_bIsCollected(false), +m_HitBlockPos(Vector3i(0, 0, 0)) +{ + SetSpeed(a_Speed); + SetMass(0.1); + SetYawFromSpeed(); + SetPitchFromSpeed(); + LOGD("Created arrow %d with speed {%.02f, %.02f, %.02f} and rot {%.02f, %.02f}", + m_UniqueID, GetSpeedX(), GetSpeedY(), GetSpeedZ(), + GetYaw(), GetPitch() + ); +} + + + + + +cArrowEntity::cArrowEntity(cPlayer & a_Player, double a_Force) : +super(pkArrow, &a_Player, a_Player.GetThrowStartPos(), a_Player.GetThrowSpeed(a_Force * 1.5 * 20), 0.5, 0.5), +m_PickupState(psInSurvivalOrCreative), +m_DamageCoeff(2), +m_IsCritical((a_Force >= 1)), +m_Timer(0), +m_HitGroundTimer(0), +m_HasTeleported(false), +m_bIsCollected(false), +m_HitBlockPos(0, 0, 0) +{ +} + + + + + +bool cArrowEntity::CanPickup(const cPlayer & a_Player) const +{ + switch (m_PickupState) + { + case psNoPickup: return false; + case psInSurvivalOrCreative: return (a_Player.IsGameModeSurvival() || a_Player.IsGameModeCreative()); + case psInCreative: return a_Player.IsGameModeCreative(); + } + ASSERT(!"Unhandled pickup state"); + return false; +} + + + + + +void cArrowEntity::OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) +{ + if (a_HitFace == BLOCK_FACE_NONE) { return; } + + super::OnHitSolidBlock(a_HitPos, a_HitFace); + int a_X = (int)a_HitPos.x, a_Y = (int)a_HitPos.y, a_Z = (int)a_HitPos.z; + + switch (a_HitFace) + { + case BLOCK_FACE_XM: // Strangely, bounding boxes / block tracers return the actual block for these two directions, so AddFace not needed + case BLOCK_FACE_YM: + { + break; + } + default: AddFaceDirection(a_X, a_Y, a_Z, a_HitFace, true); + } + + m_HitBlockPos = Vector3i(a_X, a_Y, a_Z); + + // Broadcast arrow hit sound + m_World->BroadcastSoundEffect("random.bowhit", (int)GetPosX() * 8, (int)GetPosY() * 8, (int)GetPosZ() * 8, 0.5f, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64)); +} + + + + + +void cArrowEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos) +{ + if (!a_EntityHit.IsMob() && !a_EntityHit.IsMinecart() && !a_EntityHit.IsPlayer() && !a_EntityHit.IsBoat()) + { + // Not an entity that interacts with an arrow + return; + } + + int Damage = (int)(GetSpeed().Length() / 20 * m_DamageCoeff + 0.5); + if (m_IsCritical) + { + Damage += m_World->GetTickRandomNumber(Damage / 2 + 2); + } + a_EntityHit.TakeDamage(dtRangedAttack, this, Damage, 1); + + // Broadcast successful hit sound + m_World->BroadcastSoundEffect("random.successful_hit", (int)GetPosX() * 8, (int)GetPosY() * 8, (int)GetPosZ() * 8, 0.5, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64)); + + Destroy(); +} + + + + + +void cArrowEntity::CollectedBy(cPlayer * a_Dest) +{ + if ((m_IsInGround) && (!m_bIsCollected) && (CanPickup(*a_Dest))) + { + int NumAdded = a_Dest->GetInventory().AddItem(E_ITEM_ARROW); + if (NumAdded > 0) // Only play effects if there was space in inventory + { + m_World->BroadcastCollectPickup((const cPickup &)*this, *a_Dest); + // Also send the "pop" sound effect with a somewhat random pitch (fast-random using EntityID ;) + m_World->BroadcastSoundEffect("random.pop", (int)GetPosX() * 8, (int)GetPosY() * 8, (int)GetPosZ() * 8, 0.5, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64)); + m_bIsCollected = true; + } + } +} + + + + + +void cArrowEntity::Tick(float a_Dt, cChunk & a_Chunk) +{ + super::Tick(a_Dt, a_Chunk); + m_Timer += a_Dt; + + if (m_bIsCollected) + { + if (m_Timer > 500.f) // 0.5 seconds + { + Destroy(); + return; + } + } + else if (m_Timer > 1000 * 60 * 5) // 5 minutes + { + Destroy(); + return; + } + + if (m_IsInGround) + { + // When an arrow hits, the client doesn't think its in the ground and keeps on moving, IF BroadcastMovementUpdate() and TeleportEntity was called during flight, AT ALL + // Fix is to simply not sync with the client and send a teleport to confirm pos after arrow has stabilised (around 1 sec after landing) + // We can afford to do this because xoft's algorithm for trajectory is near perfect, so things are pretty close anyway without sync + // Besides, this seems to be what the vanilla server does, note how arrows teleport half a second after they hit to the server position + + if (!m_HasTeleported) // Sent a teleport already, don't do again + { + if (m_HitGroundTimer > 1000.f) // Send after a second, could be less, but just in case + { + m_World->BroadcastTeleportEntity(*this); + m_HasTeleported = true; + } + else + { + m_HitGroundTimer += a_Dt; + } + } + + int RelPosX = m_HitBlockPos.x - a_Chunk.GetPosX() * cChunkDef::Width; + int RelPosZ = m_HitBlockPos.z - a_Chunk.GetPosZ() * cChunkDef::Width; + cChunk * Chunk = a_Chunk.GetRelNeighborChunkAdjustCoords(RelPosX, RelPosZ); + + if (Chunk == NULL) + { + // Inside an unloaded chunk, abort + return; + } + + if (Chunk->GetBlock(RelPosX, m_HitBlockPos.y, RelPosZ) == E_BLOCK_AIR) // Block attached to was destroyed? + { + m_IsInGround = false; // Yes, begin simulating physics again + } + } +}
\ No newline at end of file diff --git a/src/Entities/ProjectileArrow.h b/src/Entities/ProjectileArrow.h new file mode 100644 index 000000000..c08b7acc5 --- /dev/null +++ b/src/Entities/ProjectileArrow.h @@ -0,0 +1,95 @@ +// +// ProjectileArrow.h +// + +#pragma once + +#include "ProjectileEntity.h" + + + + + +class cArrowEntity : +public cProjectileEntity +{ + typedef cProjectileEntity super; + +public: + /// Determines when the arrow can be picked up (depending on player gamemode). Corresponds to the MCA file "pickup" field + enum ePickupState + { + psNoPickup = 0, + psInSurvivalOrCreative = 1, + psInCreative = 2, + } ; + + // tolua_end + + CLASS_PROTODEF(cArrowEntity); + + /// Creates a new arrow with psNoPickup state and default damage modifier coeff + cArrowEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d & a_Speed); + + /// Creates a new arrow as shot by a player, initializes it from the player object + cArrowEntity(cPlayer & a_Player, double a_Force); + + // tolua_begin + + /// Returns whether the arrow can be picked up by players + ePickupState GetPickupState(void) const { return m_PickupState; } + + /// Sets a new pickup state + void SetPickupState(ePickupState a_PickupState) { m_PickupState = a_PickupState; } + + /// Returns the damage modifier coeff. + double GetDamageCoeff(void) const { return m_DamageCoeff; } + + /// Sets the damage modifier coeff + void SetDamageCoeff(double a_DamageCoeff) { m_DamageCoeff = a_DamageCoeff; } + + /// Returns true if the specified player can pick the arrow up + bool CanPickup(const cPlayer & a_Player) const; + + /// Returns true if the arrow is set as critical + bool IsCritical(void) const { return m_IsCritical; } + + /// Sets the IsCritical flag + void SetIsCritical(bool a_IsCritical) { m_IsCritical = a_IsCritical; } + + // tolua_end + +protected: + + /// Determines when the arrow can be picked up by players + ePickupState m_PickupState; + + /// The coefficient applied to the damage that the arrow will deal, based on the bow enchantment. 2.0 for normal arrow + double m_DamageCoeff; + + /// If true, the arrow deals more damage + bool m_IsCritical; + + /// Timer for pickup collection animation or five minute timeout + float m_Timer; + + /// Timer for client arrow position confirmation via TeleportEntity + float m_HitGroundTimer; + + // Whether the arrow has already been teleported into the proper position in the ground. + bool m_HasTeleported; + + /// If true, the arrow is in the process of being collected - don't go to anyone else + bool m_bIsCollected; + + /// Stores the block position that arrow is lodged into, sets m_IsInGround to false if it becomes air + Vector3i m_HitBlockPos; + + // cProjectileEntity overrides: + virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override; + virtual void OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos) override; + virtual void CollectedBy(cPlayer * a_Player) override; + virtual void Tick(float a_Dt, cChunk & a_Chunk) override; + + // tolua_begin +};
\ No newline at end of file diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp index fd3e80e5f..079adcc5f 100644 --- a/src/Entities/ProjectileEntity.cpp +++ b/src/Entities/ProjectileEntity.cpp @@ -4,15 +4,17 @@ // Implements the cProjectileEntity class representing the common base class for projectiles, as well as individual projectile types #include "Globals.h" + #include "../Bindings/PluginManager.h" #include "ProjectileEntity.h" #include "../ClientHandle.h" -#include "Player.h" #include "../LineBlockTracer.h" #include "../BoundingBox.h" #include "../ChunkMap.h" #include "../Chunk.h" +#include "ProjectileArrow.h" + @@ -407,197 +409,6 @@ void cProjectileEntity::CollectedBy(cPlayer * a_Dest) /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// cArrowEntity: - -cArrowEntity::cArrowEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d & a_Speed) : - super(pkArrow, a_Creator, a_X, a_Y, a_Z, 0.5, 0.5), - m_PickupState(psNoPickup), - m_DamageCoeff(2), - m_IsCritical(false), - m_Timer(0), - m_HitGroundTimer(0), - m_bIsCollected(false), - m_HitBlockPos(Vector3i(0, 0, 0)) -{ - SetSpeed(a_Speed); - SetMass(0.1); - SetYawFromSpeed(); - SetPitchFromSpeed(); - LOGD("Created arrow %d with speed {%.02f, %.02f, %.02f} and rot {%.02f, %.02f}", - m_UniqueID, GetSpeedX(), GetSpeedY(), GetSpeedZ(), - GetYaw(), GetPitch() - ); -} - - - - - -cArrowEntity::cArrowEntity(cPlayer & a_Player, double a_Force) : - super(pkArrow, &a_Player, a_Player.GetThrowStartPos(), a_Player.GetThrowSpeed(a_Force * 1.5 * 20), 0.5, 0.5), - m_PickupState(psInSurvivalOrCreative), - m_DamageCoeff(2), - m_IsCritical((a_Force >= 1)), - m_Timer(0), - m_HitGroundTimer(0), - m_HasTeleported(false), - m_bIsCollected(false), - m_HitBlockPos(0, 0, 0) -{ -} - - - - - -bool cArrowEntity::CanPickup(const cPlayer & a_Player) const -{ - switch (m_PickupState) - { - case psNoPickup: return false; - case psInSurvivalOrCreative: return (a_Player.IsGameModeSurvival() || a_Player.IsGameModeCreative()); - case psInCreative: return a_Player.IsGameModeCreative(); - } - ASSERT(!"Unhandled pickup state"); - return false; -} - - - - - -void cArrowEntity::OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) -{ - if (a_HitFace == BLOCK_FACE_NONE) { return; } - - super::OnHitSolidBlock(a_HitPos, a_HitFace); - int a_X = (int)a_HitPos.x, a_Y = (int)a_HitPos.y, a_Z = (int)a_HitPos.z; - - switch (a_HitFace) - { - case BLOCK_FACE_XM: // Strangely, bounding boxes / block tracers return the actual block for these two directions, so AddFace not needed - case BLOCK_FACE_YM: - { - break; - } - default: AddFaceDirection(a_X, a_Y, a_Z, a_HitFace, true); - } - - m_HitBlockPos = Vector3i(a_X, a_Y, a_Z); - - // Broadcast arrow hit sound - m_World->BroadcastSoundEffect("random.bowhit", (int)GetPosX() * 8, (int)GetPosY() * 8, (int)GetPosZ() * 8, 0.5f, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64)); -} - - - - - -void cArrowEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos) -{ - if (!a_EntityHit.IsMob() && !a_EntityHit.IsMinecart() && !a_EntityHit.IsPlayer() && !a_EntityHit.IsBoat()) - { - // Not an entity that interacts with an arrow - return; - } - - int Damage = (int)(GetSpeed().Length() / 20 * m_DamageCoeff + 0.5); - if (m_IsCritical) - { - Damage += m_World->GetTickRandomNumber(Damage / 2 + 2); - } - a_EntityHit.TakeDamage(dtRangedAttack, this, Damage, 1); - - // Broadcast successful hit sound - m_World->BroadcastSoundEffect("random.successful_hit", (int)GetPosX() * 8, (int)GetPosY() * 8, (int)GetPosZ() * 8, 0.5, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64)); - - Destroy(); -} - - - - - -void cArrowEntity::CollectedBy(cPlayer * a_Dest) -{ - if ((m_IsInGround) && (!m_bIsCollected) && (CanPickup(*a_Dest))) - { - int NumAdded = a_Dest->GetInventory().AddItem(E_ITEM_ARROW); - if (NumAdded > 0) // Only play effects if there was space in inventory - { - m_World->BroadcastCollectPickup((const cPickup &)*this, *a_Dest); - // Also send the "pop" sound effect with a somewhat random pitch (fast-random using EntityID ;) - m_World->BroadcastSoundEffect("random.pop", (int)GetPosX() * 8, (int)GetPosY() * 8, (int)GetPosZ() * 8, 0.5, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64)); - m_bIsCollected = true; - } - } -} - - - - - -void cArrowEntity::Tick(float a_Dt, cChunk & a_Chunk) -{ - super::Tick(a_Dt, a_Chunk); - m_Timer += a_Dt; - - if (m_bIsCollected) - { - if (m_Timer > 500.f) // 0.5 seconds - { - Destroy(); - return; - } - } - else if (m_Timer > 1000 * 60 * 5) // 5 minutes - { - Destroy(); - return; - } - - if (m_IsInGround) - { - // When an arrow hits, the client doesn't think its in the ground and keeps on moving, IF BroadcastMovementUpdate() and TeleportEntity was called during flight, AT ALL - // Fix is to simply not sync with the client and send a teleport to confirm pos after arrow has stabilised (around 1 sec after landing) - // We can afford to do this because xoft's algorithm for trajectory is near perfect, so things are pretty close anyway without sync - // Besides, this seems to be what the vanilla server does, note how arrows teleport half a second after they hit to the server position - - if (!m_HasTeleported) // Sent a teleport already, don't do again - { - if (m_HitGroundTimer > 1000.f) // Send after a second, could be less, but just in case - { - m_World->BroadcastTeleportEntity(*this); - m_HasTeleported = true; - } - else - { - m_HitGroundTimer += a_Dt; - } - } - - int RelPosX = m_HitBlockPos.x - a_Chunk.GetPosX() * cChunkDef::Width; - int RelPosZ = m_HitBlockPos.z - a_Chunk.GetPosZ() * cChunkDef::Width; - cChunk * Chunk = a_Chunk.GetRelNeighborChunkAdjustCoords(RelPosX, RelPosZ); - - if (Chunk == NULL) - { - // Inside an unloaded chunk, abort - return; - } - - if (Chunk->GetBlock(RelPosX, m_HitBlockPos.y, RelPosZ) == E_BLOCK_AIR) // Block attached to was destroyed? - { - m_IsInGround = false; // Yes, begin simulating physics again - } - } -} - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // cThrownEggEntity: cThrownEggEntity::cThrownEggEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d & a_Speed) : diff --git a/src/Entities/ProjectileEntity.h b/src/Entities/ProjectileEntity.h index 731dd060e..2b2ed634c 100644 --- a/src/Entities/ProjectileEntity.h +++ b/src/Entities/ProjectileEntity.h @@ -101,94 +101,6 @@ protected: -class cArrowEntity : - public cProjectileEntity -{ - typedef cProjectileEntity super; - -public: - /// Determines when the arrow can be picked up (depending on player gamemode). Corresponds to the MCA file "pickup" field - enum ePickupState - { - psNoPickup = 0, - psInSurvivalOrCreative = 1, - psInCreative = 2, - } ; - - // tolua_end - - CLASS_PROTODEF(cArrowEntity); - - /// Creates a new arrow with psNoPickup state and default damage modifier coeff - cArrowEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d & a_Speed); - - /// Creates a new arrow as shot by a player, initializes it from the player object - cArrowEntity(cPlayer & a_Player, double a_Force); - - // tolua_begin - - /// Returns whether the arrow can be picked up by players - ePickupState GetPickupState(void) const { return m_PickupState; } - - /// Sets a new pickup state - void SetPickupState(ePickupState a_PickupState) { m_PickupState = a_PickupState; } - - /// Returns the damage modifier coeff. - double GetDamageCoeff(void) const { return m_DamageCoeff; } - - /// Sets the damage modifier coeff - void SetDamageCoeff(double a_DamageCoeff) { m_DamageCoeff = a_DamageCoeff; } - - /// Returns true if the specified player can pick the arrow up - bool CanPickup(const cPlayer & a_Player) const; - - /// Returns true if the arrow is set as critical - bool IsCritical(void) const { return m_IsCritical; } - - /// Sets the IsCritical flag - void SetIsCritical(bool a_IsCritical) { m_IsCritical = a_IsCritical; } - - // tolua_end - -protected: - - /// Determines when the arrow can be picked up by players - ePickupState m_PickupState; - - /// The coefficient applied to the damage that the arrow will deal, based on the bow enchantment. 2.0 for normal arrow - double m_DamageCoeff; - - /// If true, the arrow deals more damage - bool m_IsCritical; - - /// Timer for pickup collection animation or five minute timeout - float m_Timer; - - /// Timer for client arrow position confirmation via TeleportEntity - float m_HitGroundTimer; - - // Whether the arrow has already been teleported into the proper position in the ground. - bool m_HasTeleported; - - /// If true, the arrow is in the process of being collected - don't go to anyone else - bool m_bIsCollected; - - /// Stores the block position that arrow is lodged into, sets m_IsInGround to false if it becomes air - Vector3i m_HitBlockPos; - - // cProjectileEntity overrides: - virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override; - virtual void OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos) override; - virtual void CollectedBy(cPlayer * a_Player) override; - virtual void Tick(float a_Dt, cChunk & a_Chunk) override; - - // tolua_begin -} ; - - - - - class cThrownEggEntity : public cProjectileEntity { |