From baf2d8892127cd6da9d2f6f2f8d991d617c87800 Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Wed, 26 Feb 2014 23:29:14 +0000 Subject: Implemented ballistic missiles (fireworks) + Added fireworks --- src/Entities/ProjectileEntity.cpp | 87 +++++++++++++++++++++------------------ src/Entities/ProjectileEntity.h | 12 ++++-- 2 files changed, 56 insertions(+), 43 deletions(-) (limited to 'src/Entities') diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp index ef82c6e94..be8e24540 100644 --- a/src/Entities/ProjectileEntity.cpp +++ b/src/Entities/ProjectileEntity.cpp @@ -214,7 +214,7 @@ cProjectileEntity::cProjectileEntity(eKind a_Kind, cEntity * a_Creator, const Ve -cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d * a_Speed) +cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, const cItem & a_Item, const Vector3d * a_Speed) { Vector3d Speed; if (a_Speed != NULL) @@ -231,8 +231,15 @@ cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator, case pkGhastFireball: return new cGhastFireballEntity (a_Creator, a_X, a_Y, a_Z, Speed); case pkFireCharge: return new cFireChargeEntity (a_Creator, a_X, a_Y, a_Z, Speed); case pkExpBottle: return new cExpBottleEntity (a_Creator, a_X, a_Y, a_Z, Speed); - case pkFirework: return new cFireworkEntity (a_Creator, a_X, a_Y, a_Z ); - // TODO: the rest + case pkFirework: + { + if (a_Item.m_FireworkItem.m_Colours.empty()) + { + return NULL; + } + + return new cFireworkEntity(a_Creator, a_X, a_Y, a_Z, a_Item); + } } LOGWARNING("%s: Unknown projectile kind: %d", __FUNCTION__, a_Kind); @@ -276,6 +283,7 @@ AString cProjectileEntity::GetMCAClassName(void) const case pkExpBottle: return "ThrownExpBottle"; case pkSplashPotion: return "ThrownPotion"; case pkWitherSkull: return "WitherSkull"; + case pkFirework: return "Firework"; case pkFishingFloat: return ""; // Unknown, perhaps MC doesn't save this? } ASSERT(!"Unhandled projectile entity kind!"); @@ -693,8 +701,10 @@ void cExpBottleEntity::OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_H /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // cFireworkEntity : -cFireworkEntity::cFireworkEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z) : -super(pkFirework, a_Creator, a_X, a_Y, a_Z, 0.25, 0.25) +cFireworkEntity::cFireworkEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const cItem & a_Item) : +super(pkFirework, a_Creator, a_X, a_Y, a_Z, 0.25, 0.25), + m_ExplodeTimer(0), + m_FireworkItem(a_Item) { } @@ -702,30 +712,20 @@ super(pkFirework, a_Creator, a_X, a_Y, a_Z, 0.25, 0.25) -void cFireworkEntity::OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) +void cFireworkEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk) { - if ((a_HitFace != BLOCK_FACE_BOTTOM) && (a_HitFace != BLOCK_FACE_NONE)) + int RelX = POSX_TOINT - a_Chunk.GetPosX() * cChunkDef::Width; + int RelZ = POSZ_TOINT - a_Chunk.GetPosZ() * cChunkDef::Width; + int PosY = POSY_TOINT; + + if ((PosY < 0) || (PosY >= cChunkDef::Height)) { - return; + goto setspeed; } - SetSpeed(0, 0, 0); - SetPosition(GetPosX(), GetPosY() - 0.5, GetPosZ()); - - m_IsInGround = true; - - BroadcastMovementUpdate(); -} - - - - - -void cFireworkEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk) -{ if (m_IsInGround) { - if (a_Chunk.GetBlock((int)GetPosX(), (int)GetPosY() + 1, (int)GetPosZ()) == E_BLOCK_AIR) + if (a_Chunk.GetBlock(RelX, POSY_TOINT + 1, RelZ) == E_BLOCK_AIR) { m_IsInGround = false; } @@ -734,28 +734,35 @@ void cFireworkEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk) return; } } + else + { + if (a_Chunk.GetBlock(RelX, POSY_TOINT + 1, RelZ) != E_BLOCK_AIR) + { + OnHitSolidBlock(GetPosition(), BLOCK_FACE_YM); + return; + } + } - Vector3d PerTickSpeed = GetSpeed() / 20; - Vector3d Pos = GetPosition(); +setspeed: + AddSpeedY(1); + AddPosition(GetSpeed() * (a_Dt / 1000)); +} - // Trace the tick's worth of movement as a line: - Vector3d NextPos = Pos + PerTickSpeed; - cProjectileTracerCallback TracerCallback(this); - if (!cLineBlockTracer::Trace(*m_World, TracerCallback, Pos, NextPos)) + + + + +void cFireworkEntity::Tick(float a_Dt, cChunk & a_Chunk) +{ + super::Tick(a_Dt, a_Chunk); + + if (m_ExplodeTimer == m_FireworkItem.m_FireworkItem.m_FlightTimeInTicks) { - // Something has been hit, abort all other processing - return; + m_World->BroadcastEntityStatus(*this, ENTITY_STATUS_FIREWORK_EXPLODE); + Destroy(); } - // The tracer also checks the blocks for slowdown blocks - water and lava - and stores it for later in its SlowdownCoeff - - // Update the position: - SetPosition(NextPos); - // Add slowdown and gravity effect to the speed: - Vector3d NewSpeed(GetSpeed()); - NewSpeed.y += 2; - NewSpeed *= TracerCallback.GetSlowdownCoeff(); - SetSpeed(NewSpeed); + m_ExplodeTimer++; } diff --git a/src/Entities/ProjectileEntity.h b/src/Entities/ProjectileEntity.h index e80592999..fac592d16 100644 --- a/src/Entities/ProjectileEntity.h +++ b/src/Entities/ProjectileEntity.h @@ -46,7 +46,7 @@ public: cProjectileEntity(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, double a_Width, double a_Height); cProjectileEntity(eKind a_Kind, cEntity * a_Creator, const Vector3d & a_Pos, const Vector3d & a_Speed, double a_Width, double a_Height); - static cProjectileEntity * Create(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d * a_Speed = NULL); + static cProjectileEntity * Create(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, const cItem & a_Item, const Vector3d * a_Speed = NULL); /// 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(const Vector3d & a_HitPos, eBlockFace a_HitFace); @@ -305,13 +305,19 @@ public: CLASS_PROTODEF(cFireworkEntity); - cFireworkEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z); + cFireworkEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const cItem & a_Item); + const cItem & GetItem(void) const { return m_FireworkItem; } protected: // cProjectileEntity overrides: - virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override; virtual void HandlePhysics(float a_Dt, cChunk & a_Chunk) override; + virtual void Tick(float a_Dt, cChunk & a_Chunk) override; + +private: + + int m_ExplodeTimer; + cItem m_FireworkItem; // tolua_begin -- cgit v1.2.3