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#pragma once
#include "ItemHandler.h"
#include "../World.h"
#include "../Entities/Player.h"
class cItemEndCrystalHandler :
public cItemHandler
{
using Super = cItemHandler;
public:
cItemEndCrystalHandler(int a_ItemType) :
Super(a_ItemType)
{
}
virtual bool OnItemUse(
cWorld * a_World, cPlayer * a_Player,
cBlockPluginInterface & a_PluginInterface, const cItem & a_HeldItem,
const Vector3i a_BlockPos,
eBlockFace a_ClickedBlockFace) override
{
// Must click a valid block:
if (a_ClickedBlockFace < 0)
{
return false;
}
if (
const auto BlockType = a_World->GetBlock(a_BlockPos);
// Don't place if placement block is not obsidian or bedrock:
(BlockType != E_BLOCK_OBSIDIAN) && (BlockType != E_BLOCK_BEDROCK)
)
{
return false;
}
// The position of the block above the placement block.
const auto Above = a_BlockPos.addedY(1);
if (
// Don't place if two blocks above placement block aren't air:
((Above.y != cChunkDef::Height) && (a_World->GetBlock(Above) != E_BLOCK_AIR)) ||
((Above.y < (cChunkDef::Height - 1)) && (a_World->GetBlock(Above.addedY(1)) != E_BLOCK_AIR)) ||
// Refuse placement if there are any entities in a (1 by 2 by 1) bounding box with base at the block above:
!a_World->ForEachEntityInBox(
{ Above, Above + Vector3i(1, 2, 1) },
[](cEntity & a_Entity)
{
return true;
}
)
)
{
return false;
}
// Spawns ender crystal entity, aborts if plugin cancelled:
if (a_World->SpawnEnderCrystal(Vector3d(0.5, 0, 0.5) + Above, false) == cEntity::INVALID_ID)
{
return false;
}
if (!a_Player->IsGameModeCreative())
{
a_Player->GetInventory().RemoveOneEquippedItem();
}
return true;
}
};
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