flewkey/cuberite-2a
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Implemented ballistic missiles (fireworks)

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+ Added fireworks
This commit is contained in:
Tiger Wang
2014-02-26 23:29:14 +00:00
parent cb40d114ab
commit baf2d88921
15 changed files with 641 additions and 91 deletions
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93
src/Entities/ProjectileEntity.cpp
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@@ -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)
{
if ((a_HitFace != BLOCK_FACE_BOTTOM) && (a_HitFace != BLOCK_FACE_NONE))
{
return;
}
SetSpeed(0, 0, 0);
SetPosition(GetPosX(), GetPosY() - 0.5, GetPosZ());
m_IsInGround = true;
BroadcastMovementUpdate();
}
void cFireworkEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
{
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))
{
goto setspeed;
}
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;
}
}
Vector3d PerTickSpeed = GetSpeed() / 20;
Vector3d Pos = GetPosition();
// 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))
else
{
// Something has been hit, abort all other processing
return;
if (a_Chunk.GetBlock(RelX, POSY_TOINT + 1, RelZ) != E_BLOCK_AIR)
{
OnHitSolidBlock(GetPosition(), BLOCK_FACE_YM);
return;
}
}
// 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);
setspeed:
AddSpeedY(1);
AddPosition(GetSpeed() * (a_Dt / 1000));
}
// Add slowdown and gravity effect to the speed:
Vector3d NewSpeed(GetSpeed());
NewSpeed.y += 2;
NewSpeed *= TracerCallback.GetSlowdownCoeff();
SetSpeed(NewSpeed);
void cFireworkEntity::Tick(float a_Dt, cChunk & a_Chunk)
{
super::Tick(a_Dt, a_Chunk);
if (m_ExplodeTimer == m_FireworkItem.m_FireworkItem.m_FlightTimeInTicks)
{
m_World->BroadcastEntityStatus(*this, ENTITY_STATUS_FIREWORK_EXPLODE);
Destroy();
}
m_ExplodeTimer++;
}