2013-07-29 07:13:03 -04:00
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#pragma once
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#include "ItemHandler.h"
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2020-04-21 16:19:22 -04:00
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class cItemRedstoneDustHandler:
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public cItemHandler
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2013-07-29 07:13:03 -04:00
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{
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2020-04-21 16:19:22 -04:00
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using Super = cItemHandler;
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2013-07-29 07:13:03 -04:00
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public:
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2020-04-21 16:19:22 -04:00
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cItemRedstoneDustHandler(int a_ItemType):
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Super(a_ItemType)
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2013-07-29 07:13:03 -04:00
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{
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}
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2020-04-21 16:19:22 -04:00
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2013-07-29 07:13:03 -04:00
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virtual bool IsPlaceable(void) override
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{
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return true;
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}
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2020-04-21 16:19:22 -04:00
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2013-07-29 07:13:03 -04:00
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virtual bool GetPlacementBlockTypeMeta(
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cWorld * a_World, cPlayer * a_Player,
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2020-04-21 16:19:22 -04:00
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const Vector3i a_PlacedBlockPos,
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eBlockFace a_ClickedBlockFace,
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const Vector3i a_CursorPos,
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2013-07-29 07:13:03 -04:00
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BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
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) override
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{
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2020-04-21 16:19:22 -04:00
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// Check the block below, if it supports dust on top of it:
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auto UnderPos = a_PlacedBlockPos.addedY(-1);
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if (UnderPos.y < 0)
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2014-12-24 13:44:15 -05:00
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{
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return false;
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}
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BLOCKTYPE BlockType;
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NIBBLETYPE BlockMeta;
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2020-04-21 16:19:22 -04:00
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if (!a_World->GetBlockTypeMeta(UnderPos, BlockType, BlockMeta))
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2014-12-24 13:44:15 -05:00
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{
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return false;
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}
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if (!IsBlockTypeUnderSuitable(BlockType, BlockMeta))
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2013-12-19 10:57:35 -05:00
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{
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return false;
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}
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2013-07-29 07:13:03 -04:00
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a_BlockType = E_BLOCK_REDSTONE_WIRE;
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a_BlockMeta = 0;
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return true;
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}
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2014-12-24 13:44:15 -05:00
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2020-04-21 16:19:22 -04:00
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2014-12-24 13:44:15 -05:00
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/** Returns true if the specified block type / meta is suitable to have redstone dust on top of it. */
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static bool IsBlockTypeUnderSuitable(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
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{
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if (cBlockInfo::FullyOccupiesVoxel(a_BlockType))
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{
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return true;
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}
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switch (a_BlockType)
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{
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2015-06-30 10:50:15 -04:00
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case E_BLOCK_RED_SANDSTONE_SLAB:
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2014-12-24 13:44:15 -05:00
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case E_BLOCK_WOODEN_SLAB:
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case E_BLOCK_STONE_SLAB:
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{
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// Slabs can support redstone if they're upside down:
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return ((a_BlockMeta & 0x08) != 0);
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}
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}
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return false;
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}
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2013-07-29 07:13:03 -04:00
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} ;
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