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#pragma once
#include "BlockHandler.h"
class cBlockFluidHandler :
public cBlockHandler
{
using Super = cBlockHandler;
public:
using Super::Super;
protected:
~cBlockFluidHandler() = default;
private:
virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
{
// No pickups
return {};
}
virtual bool DoesIgnoreBuildCollision(cChunkInterface & a_ChunkInterface, Vector3i a_Pos, cPlayer & a_Player, NIBBLETYPE a_Meta) const override
{
return true;
}
} ;
class cBlockLavaHandler final :
public cBlockFluidHandler
{
using Super = cBlockFluidHandler;
public:
using Super::Super;
private:
virtual void OnUpdate(
cChunkInterface & a_ChunkInterface,
cWorldInterface & a_WorldInterface,
cBlockPluginInterface & a_PluginInterface,
cChunk & a_Chunk,
const Vector3i a_RelPos
) const override
{
if (a_Chunk.GetWorld()->ShouldLavaSpawnFire())
{
// Try to start up to 5 fires:
for (int i = 0; i < 5; i++)
{
TryStartFireNear(a_RelPos, a_Chunk);
}
}
}
/** Tries to start a fire near the lava at given coords. Returns true if fire started. */
static bool TryStartFireNear(const Vector3i a_RelPos, cChunk & a_Chunk)
{
// Pick a random block next to this lava block:
int rnd = a_Chunk.GetWorld()->GetTickRandomNumber(cChunkDef::NumBlocks * 8) / 7;
int x = (rnd % 3) - 1; // -1 .. 1
int y = ((rnd / 4) % 4) - 1; // -1 .. 2
int z = ((rnd / 16) % 3) - 1; // -1 .. 1
auto Pos = a_RelPos + Vector3i(x, y, z);
// Check if it's fuel:
BLOCKTYPE BlockType;
if (
!cChunkDef::IsValidHeight(Pos.y) ||
!a_Chunk.UnboundedRelGetBlockType(Pos, BlockType) ||
!cFireSimulator::IsFuel(BlockType)
)
{
return false;
}
// Try to set it on fire:
static Vector3i CrossCoords[] =
{
{-1, 0, 0},
{ 1, 0, 0},
{ 0, -1, 0},
{ 0, 1, 0},
{ 0, 0, -1},
{ 0, 0, 1},
} ;
for (size_t i = 0; i < ARRAYCOUNT(CrossCoords); i++)
{
auto NeighborPos = Pos + CrossCoords[i];
if (
cChunkDef::IsValidHeight(NeighborPos.y) &&
a_Chunk.UnboundedRelGetBlockType(NeighborPos, BlockType) &&
(BlockType == E_BLOCK_AIR)
)
{
// This is an air block next to a fuel next to lava, light the fuel block up:
a_Chunk.UnboundedRelSetBlock(NeighborPos, E_BLOCK_FIRE, 0);
return true;
}
} // for i - CrossCoords[]
return false;
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) const override
{
UNUSED(a_Meta);
return 4;
}
virtual bool CanSustainPlant(BLOCKTYPE a_Plant) const override
{
return false;
}
} ;
class cBlockWaterHandler final :
public cBlockFluidHandler
{
public:
using cBlockFluidHandler::cBlockFluidHandler;
private:
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) const override
{
UNUSED(a_Meta);
if (IsBlockWater(m_BlockType))
{
return 12;
}
ASSERT(!"Unhandled blocktype in fluid/water handler!");
return 0;
}
virtual bool CanSustainPlant(BLOCKTYPE a_Plant) const override
{
return (
(a_Plant == E_BLOCK_BEETROOTS) ||
(a_Plant == E_BLOCK_CROPS) ||
(a_Plant == E_BLOCK_CARROTS) ||
(a_Plant == E_BLOCK_POTATOES) ||
(a_Plant == E_BLOCK_MELON_STEM) ||
(a_Plant == E_BLOCK_PUMPKIN_STEM)
);
}
};
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