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