From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.World/ArrayWithLength.h | 115 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 Minecraft.World/ArrayWithLength.h

(limited to 'Minecraft.World/ArrayWithLength.h')

diff --git a/Minecraft.World/ArrayWithLength.h b/Minecraft.World/ArrayWithLength.h
new file mode 100644
index 00000000..4e9f9941
--- /dev/null
+++ b/Minecraft.World/ArrayWithLength.h
@@ -0,0 +1,115 @@
+#pragma once
+
+#include <assert.h>
+
+//Note - this is meant to be a really simple wrapper round a pointer just to be able to add a length value to arrays.
+// As such, it shouldn't delete its data in a destructor as shallow copies will be made of this and we don't want to
+// free the data just because one of those has gone out of scope
+template <class T> class arrayWithLength
+{
+public:
+	T *data;
+	unsigned int length;
+	arrayWithLength() { data = NULL; length = 0; }
+	arrayWithLength(unsigned int elements, bool bClearArray=true) { assert(elements!=0); data = new T[elements];  if(bClearArray){ memset( data,0,sizeof(T)*elements); }  this->length = elements; }
+
+	// 4J Stu Added this ctor so I static init arrays in the Item derivation tree
+	arrayWithLength( T data[], unsigned int elements) { this->data = data; this->length = elements; }
+
+	//~arrayWithLength() { delete[] data; }
+
+	void resize( unsigned int elements )
+	{
+		assert( elements > length );
+		T *temp = new T[elements];
+		memset( temp,0,sizeof(T)*elements);
+
+		if( data != NULL )
+		{
+			std::copy( data, data+length, temp );
+
+			delete[] data;
+		}
+		data = temp;
+		length = elements;
+	}
+
+	T& operator[](unsigned int i) { return data[i]; }
+	T  operator[](unsigned int i) const { return data[i]; }
+};
+
+// TODO 4J Stu - This looks right, but is it?
+template <class T> class array2DWithLength
+{
+	typedef arrayWithLength< T >* _parrayWithLength;
+public:
+	_parrayWithLength *data;
+	unsigned int length;
+	array2DWithLength() { data = NULL; length = 0; }
+	array2DWithLength(unsigned int dimA, unsigned int dimB)
+	{
+		data = new _parrayWithLength[dimA];
+		this->length = dimA;
+
+		for( unsigned int i = 0; i < length; i++ )
+			data[i] = new arrayWithLength<T>(dimB);
+	}
+
+	_parrayWithLength& operator[](unsigned int i) { return data[i]; }
+	_parrayWithLength  operator[](unsigned int i) const { return data[i]; }
+};
+
+
+class Biome;
+class LevelChunk;
+class Node;
+class Item;
+class Tile;
+class Stat;
+class MobCategory;
+class File;
+class Vertex;
+class _Polygon;		// Renaming as have conflict with Windows Polygon fn
+class ServerLevel;
+class MultiPlayerLevel;
+class Level;
+class LevelRenderer;
+class WeighedRandomItem;
+class WeighedTreasure;
+class Layer;
+//class Cube;
+class ModelPart;
+class Enchantment;
+class ClipChunk;
+
+typedef arrayWithLength<double> doubleArray;
+typedef arrayWithLength<byte> byteArray;
+typedef arrayWithLength<char> charArray;
+typedef arrayWithLength<short> shortArray;
+typedef arrayWithLength<int> intArray;
+typedef arrayWithLength<float> floatArray;
+typedef arrayWithLength<Biome *> BiomeArray;
+typedef arrayWithLength<LevelChunk *> LevelChunkArray;
+typedef array2DWithLength<LevelChunk *> LevelChunk2DArray;
+typedef arrayWithLength<Node *> NodeArray;
+typedef arrayWithLength<Item *> ItemArray;
+typedef arrayWithLength<Tile *> TileArray;
+typedef arrayWithLength<Stat *> StatArray;
+typedef arrayWithLength<MobCategory *> MobCategoryArray;
+typedef arrayWithLength<File *> FileArray;
+typedef arrayWithLength<Vertex *> VertexArray;
+typedef arrayWithLength<_Polygon *> PolygonArray;
+typedef arrayWithLength<ServerLevel *> ServerLevelArray;
+typedef arrayWithLength<MultiPlayerLevel *> MultiPlayerLevelArray;
+typedef arrayWithLength<Level *> LevelArray;
+typedef arrayWithLength<LevelRenderer *> LevelRendererArray;
+typedef arrayWithLength<WeighedRandomItem *> WeighedRandomItemArray;
+typedef arrayWithLength<WeighedTreasure *> WeighedTreasureArray;
+typedef arrayWithLength< shared_ptr<Layer> > LayerArray;
+//typedef arrayWithLength<Cube *> CubeArray;
+typedef arrayWithLength<ModelPart *> ModelPartArray;
+typedef arrayWithLength<Enchantment *> EnchantmentArray;
+typedef arrayWithLength<ClipChunk> ClipChunkArray;
+
+#include "ItemInstance.h"
+typedef arrayWithLength<shared_ptr<ItemInstance> > ItemInstanceArray;
-- 
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