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#pragma once
#include "BlockPlant.h"
class cBlockSugarcaneHandler :
public cBlockPlant<false>
{
using Super = cBlockPlant<false>;
public:
cBlockSugarcaneHandler(BLOCKTYPE a_BlockType):
Super(a_BlockType)
{
}
virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) override
{
return cItem(E_ITEM_SUGARCANE, 1, 0);
}
virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, const Vector3i a_RelPos, const cChunk & a_Chunk) override
{
if (a_RelPos.y <= 0)
{
return false;
}
switch (a_Chunk.GetBlock(a_RelPos.addedY(-1)))
{
case E_BLOCK_DIRT:
case E_BLOCK_GRASS:
case E_BLOCK_FARMLAND:
case E_BLOCK_SAND:
{
static const Vector3i Coords[] =
{
{-1, -1, 0},
{ 1, -1, 0},
{ 0, -1, -1},
{ 0, -1, 1},
} ;
for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
{
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
if (!a_Chunk.UnboundedRelGetBlock(a_RelPos + Coords[i], BlockType, BlockMeta))
{
// Too close to the edge, cannot simulate
return true;
}
if (IsBlockWater(BlockType) || (BlockType == E_BLOCK_FROSTED_ICE))
{
return true;
}
} // for i - Coords[]
// Not directly neighboring a water block
return false;
}
case E_BLOCK_SUGARCANE:
{
return true;
}
}
return false;
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
UNUSED(a_Meta);
return 7;
}
virtual int Grow(cChunk & a_Chunk, Vector3i a_RelPos, int a_NumStages = 1) override
{
// Check the total height of the sugarcane blocks here:
int top = a_RelPos.y + 1;
while (
(top < cChunkDef::Height) &&
(a_Chunk.GetBlock({a_RelPos.x, top, a_RelPos.z}) == E_BLOCK_SUGARCANE)
)
{
++top;
}
int bottom = a_RelPos.y - 1;
while (
(bottom > 0) &&
(a_Chunk.GetBlock({a_RelPos.x, bottom, a_RelPos.z}) == E_BLOCK_SUGARCANE)
)
{
--bottom;
}
// Grow by at most a_NumStages, but no more than max height:
auto toGrow = std::min(a_NumStages, a_Chunk.GetWorld()->GetMaxSugarcaneHeight() + 1 - (top - bottom));
Vector3i topPos(a_RelPos.x, top, a_RelPos.z);
for (int i = 0; i < toGrow; i++)
{
if (a_Chunk.GetBlock(topPos.addedY(i)) == E_BLOCK_AIR)
{
a_Chunk.SetBlock(topPos.addedY(i), E_BLOCK_SUGARCANE, 0);
}
else
{
return i;
}
} // for i
return toGrow;
}
protected:
virtual PlantAction CanGrow(cChunk & a_Chunk, Vector3i a_RelPos) override
{
// Only allow growing if there's an air block above:
if (((a_RelPos.y + 1) < cChunkDef::Height) && (a_Chunk.GetBlock(a_RelPos.addedY(1)) == E_BLOCK_AIR))
{
return Super::CanGrow(a_Chunk, a_RelPos);
}
return paStay;
}
} ;
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