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cuberite-2a/source/Blocks/BlockCrops.h
2013-07-29 12:13:03 +01:00

109 lines
2.4 KiB
C++

#pragma once
#include "BlockHandler.h"
#include "../MersenneTwister.h"
#include "../World.h"
/// Common class that takes care of carrots, potatoes and wheat
class cBlockCropsHandler :
public cBlockHandler
{
public:
cBlockCropsHandler(BLOCKTYPE a_BlockType)
: cBlockHandler(a_BlockType)
{
}
virtual bool DoesAllowBlockOnTop() override
{
return false;
}
virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_Meta) override
{
MTRand rand;
if (a_Meta == 0x7)
{
// Is fully grown, drop the entire produce:
switch (m_BlockType)
{
case E_BLOCK_CROPS:
{
a_Pickups.push_back(cItem(E_ITEM_WHEAT, 1, 0));
a_Pickups.push_back(cItem(E_ITEM_SEEDS, 1 + (int)(rand.randInt(2) + rand.randInt(2)) / 2, 0)); // [1 .. 3] with high preference of 2
break;
}
case E_BLOCK_CARROTS:
{
a_Pickups.push_back(cItem(E_ITEM_CARROT, 1 + (int)(rand.randInt(2) + rand.randInt(2)) / 2, 0)); // [1 .. 3] with high preference of 2
break;
}
case E_BLOCK_POTATOES:
{
a_Pickups.push_back(cItem(E_ITEM_POTATO, 1 + (int)(rand.randInt(2) + rand.randInt(2)) / 2, 0)); // [1 .. 3] with high preference of 2
if (rand.randInt(20) == 0)
{
// With a 5% chance, drop a poisonous potato as well
a_Pickups.push_back(cItem(E_ITEM_POISONOUS_POTATO, 1, 0));
}
break;
}
default:
{
ASSERT(!"Unhandled block type");
break;
}
} // switch (m_BlockType)
}
else
{
// Drop 1 item of whatever is growing
switch (m_BlockType)
{
case E_BLOCK_CROPS: a_Pickups.push_back(cItem(E_ITEM_SEEDS, 1, 0)); break;
case E_BLOCK_CARROTS: a_Pickups.push_back(cItem(E_ITEM_CARROT, 1, 0)); break;
case E_BLOCK_POTATOES: a_Pickups.push_back(cItem(E_ITEM_POTATO, 1, 0)); break;
default:
{
ASSERT(!"Unhandled block type");
break;
}
}
}
}
void OnUpdate(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ) override
{
NIBBLETYPE Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
if (Meta < 7)
{
a_World->FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_CROPS, ++Meta);
}
}
virtual bool CanBeAt(int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
{
return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) == E_BLOCK_FARMLAND));
}
virtual const char * GetStepSound(void) override
{
return "step.grass";
}
} ;