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#include "Globals.h"
#include "FallingBlock.h"
#include "../World.h"
#include "../ClientHandle.h"
#include "../Simulator/SandSimulator.h"
#include "../Chunk.h"
cFallingBlock::cFallingBlock(Vector3i a_BlockPosition, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) :
super(etFallingBlock, Vector3d(0.5, 0, 0.5) + a_BlockPosition, 0.98, 0.98),
m_BlockType(a_BlockType),
m_BlockMeta(a_BlockMeta),
m_OriginalPosition(a_BlockPosition)
{
SetGravity(-16.0f);
SetAirDrag(0.02f);
}
void cFallingBlock::SpawnOn(cClientHandle & a_ClientHandle)
{
a_ClientHandle.SendSpawnFallingBlock(*this);
}
void cFallingBlock::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
// GetWorld()->BroadcastTeleportEntity(*this); // Test position
int BlockX = POSX_TOINT;
int BlockY = static_cast<int>(GetPosY() - 0.5);
int BlockZ = POSZ_TOINT;
if (BlockY < 0)
{
// Fallen out of this world, just continue falling until out of sight, then destroy:
if (BlockY < VOID_BOUNDARY)
{
Destroy(true);
}
return;
}
if (BlockY >= cChunkDef::Height)
{
// Above the world, just wait for it to fall back down
return;
}
BLOCKTYPE BlockBelow = a_Chunk.GetBlock(BlockX - a_Chunk.GetPosX() * cChunkDef::Width, BlockY, BlockZ - a_Chunk.GetPosZ() * cChunkDef::Width);
NIBBLETYPE BelowMeta = a_Chunk.GetMeta(BlockX - a_Chunk.GetPosX() * cChunkDef::Width, BlockY, BlockZ - a_Chunk.GetPosZ() * cChunkDef::Width);
if (cSandSimulator::DoesBreakFallingThrough(BlockBelow, BelowMeta))
{
// Fallen onto a block that breaks this into pickups (e. g. half-slab)
// Must finish the fall with coords one below the block:
cSandSimulator::FinishFalling(m_World, BlockX, BlockY, BlockZ, m_BlockType, m_BlockMeta);
Destroy(true);
return;
}
else if (!cSandSimulator::CanContinueFallThrough(BlockBelow))
{
// Fallen onto a solid block
/*
FLOGD(
"Sand: Checked below at {0} (rel {1}), it's {2}, finishing the fall.",
Vector3i{BlockX, BlockY, BlockZ},
cChunkDef::AbsoluteToRelative({BlockX, BlockY, BlockZ}, {a_Chunk.GetPosX(), a_Chunk.GetPosZ()}),
ItemTypeToString(BlockBelow)
);
*/
if (BlockY < cChunkDef::Height - 1)
{
cSandSimulator::FinishFalling(m_World, BlockX, BlockY + 1, BlockZ, m_BlockType, m_BlockMeta);
}
Destroy(true);
return;
}
else if ((m_BlockType == E_BLOCK_CONCRETE_POWDER) && IsBlockWater(BlockBelow))
{
// Concrete powder falling into water solidifies on the first water it touches
cSandSimulator::FinishFalling(m_World, BlockX, BlockY, BlockZ, E_BLOCK_CONCRETE, m_BlockMeta);
Destroy(true);
return;
}
float MilliDt = a_Dt.count() * 0.001f;
AddSpeedY(MilliDt * -9.8f);
AddPosition(GetSpeed() * MilliDt);
// If not static (one billionth precision) broadcast movement
if ((fabs(GetSpeedX()) > std::numeric_limits<double>::epsilon()) || (fabs(GetSpeedZ()) > std::numeric_limits<double>::epsilon()))
{
BroadcastMovementUpdate();
}
}
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