182 lines
3.6 KiB
C++
182 lines
3.6 KiB
C++
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#pragma once
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#include "ItemHandler.h"
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#include "../World.h"
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#include "../Blocks/BlockHandler.h"
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#include "../BlockEntities/BannerEntity.h"
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#include "../Blocks/ChunkInterface.h"
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class cItemBannerHandler:
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public cItemHandler
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{
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using Super = cItemHandler;
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public:
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cItemBannerHandler(int a_ItemType):
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Super(a_ItemType)
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{
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}
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private:
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virtual bool CommitPlacement(cPlayer & a_Player, const cItem & a_HeldItem, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace, const Vector3i a_CursorPosition) override
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{
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// Cannot place a banner at "no face" and from the bottom:
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if ((a_ClickedBlockFace == BLOCK_FACE_NONE) || (a_ClickedBlockFace == BLOCK_FACE_BOTTOM))
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{
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return false;
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}
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if (!TryPlaceBanner(a_Player, a_PlacePosition, a_ClickedBlockFace))
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{
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return false;
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}
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a_Player.GetWorld()->DoWithBlockEntityAt(a_PlacePosition, [&a_HeldItem](cBlockEntity & a_BlockEntity)
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{
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ASSERT((a_BlockEntity.GetBlockType() == E_BLOCK_STANDING_BANNER) || (a_BlockEntity.GetBlockType() == E_BLOCK_WALL_BANNER));
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static_cast<cBannerEntity &>(a_BlockEntity).SetBaseColor(static_cast<NIBBLETYPE>(a_HeldItem.m_ItemDamage));
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return false;
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});
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return true;
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}
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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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static bool TryPlaceBanner(cPlayer & a_Player, const Vector3i a_PlacePosition, const eBlockFace a_ClickedBlockFace)
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{
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const auto Rotation = a_Player.GetYaw();
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// Placing on the floor:
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if (a_ClickedBlockFace == BLOCK_FACE_TOP)
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{
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NIBBLETYPE Meta;
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if ((Rotation >= -11.25f) && (Rotation < 11.25f))
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{
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// South
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Meta = 0x08;
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}
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else if ((Rotation >= 11.25f) && (Rotation < 33.75f))
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{
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// SouthSouthWest
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Meta = 0x09;
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}
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else if ((Rotation >= 23.75f) && (Rotation < 56.25f))
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{
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// SouthWest
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Meta = 0x0a;
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}
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else if ((Rotation >= 56.25f) && (Rotation < 78.75f))
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{
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// WestSouthWest
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Meta = 0x0b;
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}
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else if ((Rotation >= 78.75f) && (Rotation < 101.25f))
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{
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// West
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Meta = 0x0c;
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}
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else if ((Rotation >= 101.25f) && (Rotation < 123.75f))
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{
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// WestNorthWest
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Meta = 0x0d;
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}
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else if ((Rotation >= 123.75f) && (Rotation < 146.25f))
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{
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// NorthWest
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Meta = 0x0e;
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}
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else if ((Rotation >= 146.25f) && (Rotation < 168.75f))
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{
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// NorthNorthWest
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Meta = 0x0f;
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}
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else if ((Rotation >= -168.75f) && (Rotation < -146.25f))
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{
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// NorthNorthEast
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Meta = 0x01;
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}
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else if ((Rotation >= -146.25f) && (Rotation < -123.75f))
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{
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// NorthEast
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Meta = 0x02;
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}
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else if ((Rotation >= -123.75f) && (Rotation < -101.25f))
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{
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// EastNorthEast
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Meta = 0x03;
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}
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else if ((Rotation >= -101.25) && (Rotation < -78.75f))
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{
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// East
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Meta = 0x04;
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}
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else if ((Rotation >= -78.75) && (Rotation < -56.25f))
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{
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// EastSouthEast
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Meta = 0x05;
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}
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else if ((Rotation >= -56.25f) && (Rotation < -33.75f))
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{
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// SouthEast
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Meta = 0x06;
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}
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else if ((Rotation >= -33.75f) && (Rotation < -11.25f))
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{
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// SouthSouthEast
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Meta = 0x07;
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}
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else // degrees jumping from 180 to -180
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{
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// North
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Meta = 0x00;
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}
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return a_Player.PlaceBlock(a_PlacePosition, E_BLOCK_STANDING_BANNER, Meta);
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}
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// We must be placing on the side of a block.
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NIBBLETYPE Meta;
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if (a_ClickedBlockFace == BLOCK_FACE_EAST)
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{
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Meta = 0x05;
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}
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else if (a_ClickedBlockFace == BLOCK_FACE_WEST)
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{
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Meta = 0x04;
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}
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else if (a_ClickedBlockFace == BLOCK_FACE_NORTH)
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{
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Meta = 0x02;
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}
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else // degrees jumping from 180 to -180
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{
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Meta = 0x03;
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}
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return a_Player.PlaceBlock(a_PlacePosition, E_BLOCK_WALL_BANNER, Meta);
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}
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};
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