487f9a2aa9
Refactored all cBlockHandler and cItemHandler descendants to use Vector3.
220 lines
4.8 KiB
C++
220 lines
4.8 KiB
C++
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#pragma once
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#include "../BlockEntities/ChestEntity.h"
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#include "../BlockArea.h"
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#include "../Entities/Player.h"
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#include "Mixins.h"
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class cBlockChestHandler :
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public cYawRotator<cContainerEntityHandler<cBlockEntityHandler>, 0x07, 0x03, 0x04, 0x02, 0x05>
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{
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using Super = cYawRotator<cContainerEntityHandler<cBlockEntityHandler>, 0x07, 0x03, 0x04, 0x02, 0x05>;
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public:
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cBlockChestHandler(BLOCKTYPE a_BlockType):
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Super(a_BlockType)
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{
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}
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virtual bool GetPlacementBlockTypeMeta(
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cChunkInterface & a_ChunkInterface,
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cPlayer & a_Player,
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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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BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
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) override
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{
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// Cannot place right next to double-chest:
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if (!CanBeAt(a_ChunkInterface, a_PlacedBlockPos))
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{
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// Yup, cannot form a triple-chest, refuse:
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return false;
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}
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// Try to read double-chest information:
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cBlockArea Area;
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if (!Area.Read(a_ChunkInterface, a_PlacedBlockPos - Vector3i(1, 0, 1), a_PlacedBlockPos + Vector3i(1, 0, 1)))
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{
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return false;
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}
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// Get meta as if this was a single-chest:
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if (!Super::GetPlacementBlockTypeMeta(a_ChunkInterface, a_Player, a_PlacedBlockPos, a_ClickedBlockFace, a_CursorPos, a_BlockType, a_BlockMeta))
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{
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return false;
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}
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// Check if this forms a doublechest, if so, need to adjust the meta:
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double yaw = a_Player.GetYaw();
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if (
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(Area.GetRelBlockType(0, 0, 1) == m_BlockType) ||
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(Area.GetRelBlockType(2, 0, 1) == m_BlockType)
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)
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{
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a_BlockMeta = ((yaw >= -90) && (yaw < 90)) ? 2 : 3;
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return true;
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}
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if (
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(Area.GetRelBlockType(1, 0, 0) == m_BlockType) ||
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(Area.GetRelBlockType(1, 0, 2) == m_BlockType)
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)
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{
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a_BlockMeta = (yaw < 0) ? 4 : 5;
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return true;
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}
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return true;
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}
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virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, const Vector3i a_RelPos, const cChunk & a_Chunk) override
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{
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auto BlockPos = a_Chunk.RelativeToAbsolute(a_RelPos);
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return CanBeAt(a_ChunkInterface, BlockPos);
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}
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virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, const Vector3i a_BlockPos)
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{
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cBlockArea Area;
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if (!Area.Read(a_ChunkInterface, a_BlockPos - Vector3i(2, 0, 2), a_BlockPos + Vector3i(2, 0, 2)))
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{
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// Cannot read the surroundings, probably at the edge of loaded chunks. Disallow.
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return false;
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}
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int NumChestNeighbors = 0;
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if (Area.GetRelBlockType(1, 0, 2) == m_BlockType)
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{
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if (
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(Area.GetRelBlockType(0, 0, 2) == m_BlockType) ||
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(Area.GetRelBlockType(1, 0, 1) == m_BlockType) ||
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(Area.GetRelBlockType(1, 0, 3) == m_BlockType)
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)
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{
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// Already a doublechest neighbor, disallow:
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return false;
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}
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NumChestNeighbors += 1;
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}
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if (Area.GetRelBlockType(3, 0, 2) == m_BlockType)
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{
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if (
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(Area.GetRelBlockType(4, 0, 2) == m_BlockType) ||
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(Area.GetRelBlockType(3, 0, 1) == m_BlockType) ||
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(Area.GetRelBlockType(3, 0, 3) == m_BlockType)
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)
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{
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// Already a doublechest neighbor, disallow:
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return false;
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}
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NumChestNeighbors += 1;
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}
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if (Area.GetRelBlockType(2, 0, 1) == m_BlockType)
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{
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if (
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(Area.GetRelBlockType(2, 0, 0) == m_BlockType) ||
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(Area.GetRelBlockType(1, 0, 1) == m_BlockType) ||
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(Area.GetRelBlockType(3, 0, 1) == m_BlockType)
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)
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{
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// Already a doublechest neighbor, disallow:
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return false;
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}
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NumChestNeighbors += 1;
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}
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if (Area.GetRelBlockType(2, 0, 3) == m_BlockType)
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{
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if (
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(Area.GetRelBlockType(2, 0, 4) == m_BlockType) ||
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(Area.GetRelBlockType(1, 0, 3) == m_BlockType) ||
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(Area.GetRelBlockType(3, 0, 3) == m_BlockType)
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)
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{
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// Already a doublechest neighbor, disallow:
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return false;
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}
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NumChestNeighbors += 1;
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}
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return (NumChestNeighbors < 2);
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}
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/** Translates player yaw when placing a chest into the chest block metadata. Valid for single chests only */
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static NIBBLETYPE PlayerYawToMetaData(double a_Yaw)
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{
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a_Yaw += 90 + 45; // So its not aligned with axis
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if (a_Yaw > 360.f)
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{
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a_Yaw -= 360.f;
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}
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if ((a_Yaw >= 0.f) && (a_Yaw < 90.f))
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{
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return 0x04;
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}
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else if ((a_Yaw >= 180) && (a_Yaw < 270))
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{
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return 0x05;
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}
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else if ((a_Yaw >= 90) && (a_Yaw < 180))
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{
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return 0x02;
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}
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else
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{
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return 0x03;
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}
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}
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/** If there's a chest in the a_Area in the specified coords, modifies its meta to a_NewMeta and returns true. */
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bool CheckAndAdjustNeighbor(cChunkInterface & a_ChunkInterface, const cBlockArea & a_Area, int a_RelX, int a_RelZ, NIBBLETYPE a_NewMeta)
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{
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if (a_Area.GetRelBlockType(a_RelX, 0, a_RelZ) != m_BlockType)
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{
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return false;
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}
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a_ChunkInterface.SetBlockMeta(a_Area.GetOriginX() + a_RelX, a_Area.GetOriginY(), a_Area.GetOriginZ() + a_RelZ, a_NewMeta);
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return true;
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}
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virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
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{
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UNUSED(a_Meta);
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return 13;
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}
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} ;
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