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