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authorDamián Imrich <damian@haze.sk>2021-01-22 18:06:26 +0100
committerGitHub <noreply@github.com>2021-01-22 18:06:26 +0100
commit4f3b699b27da11a3641ba3e231bbd4efcfdd9177 (patch)
tree1513d0b4896bf35ec1b2171ba7836c42d84b990d /src/Items/ItemEndCrystal.h
parentImplementation of totem of undying behaviour (#5111) (diff)
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-rw-r--r--src/Items/ItemEndCrystal.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/Items/ItemEndCrystal.h b/src/Items/ItemEndCrystal.h
new file mode 100644
index 000000000..b9b265b60
--- /dev/null
+++ b/src/Items/ItemEndCrystal.h
@@ -0,0 +1,81 @@
+
+#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;
+ }
+};