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#pragma once
#include "BlockPlant.h"
class cBlockCactusHandler :
public cBlockPlant<false>
{
using super = cBlockPlant<false>;
public:
cBlockCactusHandler(BLOCKTYPE a_BlockType):
super(a_BlockType)
{
}
virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) override
{
// Reset meta to 0
return cItem(m_BlockType, 1, 0);
}
virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
{
if (a_RelY <= 0)
{
return false;
}
BLOCKTYPE Surface = a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ);
if ((Surface != E_BLOCK_SAND) && (Surface != E_BLOCK_CACTUS))
{
// Cactus can only be placed on sand and itself
return false;
}
// Check surroundings. Cacti may ONLY be surrounded by non-solid blocks
static const struct
{
int x, z;
} Coords[] =
{
{-1, 0},
{ 1, 0},
{ 0, -1},
{ 0, 1},
} ;
for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
{
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
if (
a_Chunk.UnboundedRelGetBlock(a_RelX + Coords[i].x, a_RelY, a_RelZ + Coords[i].z, BlockType, BlockMeta) &&
(
cBlockInfo::IsSolid(BlockType) ||
(BlockType == E_BLOCK_LAVA) ||
(BlockType == E_BLOCK_STATIONARY_LAVA)
)
)
{
return false;
}
} // for i - Coords[]
return true;
}
virtual void OnUpdate(cChunkInterface & cChunkInterface, cWorldInterface & a_WorldInterface, cBlockPluginInterface & a_PluginInterface, cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ) override
{
if (CanGrow(a_Chunk, a_RelX, a_RelY, a_RelZ) == paGrowth)
{
a_Chunk.GetWorld()->GrowCactus(a_RelX + a_Chunk.GetPosX() * cChunkDef::Width, a_RelY, a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width, 1);
}
}
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
UNUSED(a_Meta);
return 7;
}
protected:
virtual PlantAction CanGrow(cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ) override
{
auto Action = paStay;
if (((a_RelY + 1) < cChunkDef::Height) && (a_Chunk.GetBlock(a_RelX, a_RelY + 1, a_RelZ) == E_BLOCK_AIR))
{
Action = super::CanGrow(a_Chunk, a_RelX, a_RelY, a_RelZ);
}
return Action;
}
} ;
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