CVP97 en 23:10 10 oct 2014

2014-10-10T23:10:12Z

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	The .mclevel map format is an old map format, created by Notch. It is based on the [[NBT Format]].		The .mclevel map format is an old map format, created by Notch. It is based on the [[NBT Format]].

MinatoKonoha: Página creada con «{{construcción}} The .mclevel map format is an old map format, created by Notch. It is based on the NBT Format. The map format is in use since indev version 0.31....»

2014-08-29T15:44:19Z

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{{construcción}}
The .mclevel map format is an old map format, created by Notch. It is based on the [[NBT Format]].

The map format is in use since [[indev]] version 0.31.

While Alpha (and Infdev) levels use NBT files, they have a very different file format.

For details on the infinite map format, see [[Alpha Level Format]].

=NBT Structure=
<div class="treeview">
* {{nbt|compound|MinecraftLevel}}: The root tag.
** {{nbt|compound|About}}: Information about the level.
*** {{nbt|long|CreatedOn}}: The Unix time when the level was created.
*** {{nbt|string|Name}}: The name of the level, always "A Nice World".
*** {{nbt|string|Author}}: The name of the user who created the level.
** {{nbt|compound|Environment}}: Information about the environment of the level, which varies based on the map generation settings.
*** {{nbt|short|TimeOfDay}}: The number of ticks since the start of the level. Affects the day/night cycle.
*** {{nbt|byte|SkyBrightness}}: The sky light level, 0 to 15.
*** {{nbt|int|SkyColor}}: The color of the sky.
*** {{nbt|int|FogColor}}: The color of the fog.
*** {{nbt|int|CloudColor}}: The color of the clouds.
*** {{nbt|short|CloudHeight}}: The height of the clouds (Y coordinate).
*** {{nbt|byte|SurroundingGroundType}}: The Block ID of the "surrounding ground".
*** {{nbt|short|SurroundingGroundHeight}}: The height of the "surrounding ground".
*** {{nbt|byte|SurroundingWaterType}}: The Block ID of the "surrounding water".
*** {{nbt|short|SurroundingWaterHeight}}: The height of the "surrounding water".
** {{nbt|compound|Map}}: The actual map data.
*** {{nbt|short|Width}}: The width of the level.
*** {{nbt|short|Length}}: The length of the level.
*** {{nbt|short|Height}}: The height of the level.
*** {{nbt|list|Spawn}}: List of 3 TAG_Shorts for the X, Y, and Z spawn coordinates.
*** {{nbt|byte-array|Blocks}}: Width*Length*Height bytes of Block IDs.
*** {{nbt|byte-array|Data}}: Width*Length*Height bytes of Block Data and Lighting.
** {{nbt|list|Entities}}: List of TAG_Compounds for the entities in the level.
*** {{nbt|compound}} An entity. See [[Chunk format#Entity Format|Chunk format -> Entity Format]]. Not all information is relevant to Minecraft Indev. The player has its own entity, shown below as an example.
**** {{nbt|string|id}}: The entity ID. In this case, "LocalPlayer".
**** {{nbt|list|Pos}}: List of 3 TAG_Doubles for the X, Y, and Z position of the player.
**** {{nbt|list|Rotation}}: List of 2 TAG_Floats for the Yaw and Pitch of the player's view.
**** {{nbt|list|Motion}}: List of 3 TAG_Doubles for the X, Y, and Z motion in meters per tick.
**** {{nbt|float|FallDistance}}: How far the player has fallen.
**** {{nbt|short|Health}}: The number of hit points the player has. 20 is 10 hearts.
**** {{nbt|short|AttackTime}}: Number of ticks the player is immune to attacks.
**** {{nbt|short|HurtTime}}: Number of ticks the player is red from being attacked.
**** {{nbt|short|DeathTime}}: Number of ticks the player has been dead for - used for controlling the death animation.
**** {{nbt|short|Air}}: The number of ticks before the player starts to drown. Starts at 300.
**** {{nbt|short|Fire}}: When negative, the number of ticks before the player can catch on fire. When positive, the number of ticks before the fire is extinguished.
**** {{nbt|int|Score}}: The player's score.
**** {{nbt|list|Inventory}}: List of TAG_Compounds representing the items in the player's inventory.
***** {{nbt|compound}} An inventory item.
****** {{nbt|byte|Slot}}: The [[Data Values#Inventory Slot Number|Slot]] the item is in.
****** {{nbt|short|id}}: The Item [[Data Values#IDs|ID]].
****** {{nbt|short|Damage}}: The item's [[Data Values#Data|data]] value, or damage value for tools.
****** {{nbt|short|Count}}: The number of this item in the stack. Range -128 to 127. Values less than 2 are not displayed in-game.
** {{nbt|list|TileEntities}}: List of TAG_Compounds for the tile entities in the level.
*** {{nbt|compound}} A tile entity.
**** See [[Chunk format#Tile Entity Format|Chunk format -> Tile Entity Format]]. Not all information is relevant to Minecraft Indev.
**** {{nbt|int|Pos}}: Position of the tile entity. X coordinate is Pos % 1024, Y is (Pos >> 10) % 1024, Z is (Pos >> 20) % 1024.
</div>

==Blocks==
The block byte array is used to define the types of blocks that occupy a map.
The number of bytes in the array may be calculated by multiplying the dimensions of the map.
Y being the up direction rather than Z.
For Hex values see [[Blocks,Items & Data values#Blocks|Block IDs]].

To access a specific block from either the block or data array from XYZ coordinates, use the following formula:

Index = x + (y * Height + z) * Width

==Data==
The Data byte array is used for lighting and extra block data.
The first 4 bit contains the extra block data (also known as metadata) and the other 4 bits the lighting.

For extended information on block metadata, refer to [[Data values]].

==Lighting==
[[File:Lighting values.png]]

There are 16 levels of lighting for a block ranging from 0x0 (no light) to 0xF (full light).

{{minecraft}}
[[Category:Development]]

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CVP97 en 23:10 10 oct 2014

MinatoKonoha: Página creada con «{{construcción}} The .mclevel map format is an old map format, created by Notch. It is based on the NBT Format. The map format is in use since indev version 0.31....»