Mirrors/FastAsyncWorldEdit
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Added InputExtent and OutputExtent.

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Suggested by TomyLobo
Dieser Commit ist enthalten in:
sk89q 2014-04-02 23:42:11 -07:00
Ursprung 08900cbfc2
Commit 589c3e9629
3 geänderte Dateien mit 142 neuen und 83 gelöschten Zeilen
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87
src/main/java/com/sk89q/worldedit/extent/Extent.java
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@ -19,89 +19,12 @@
package com.sk89q.worldedit.extent; package com.sk89q.worldedit.extent;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.function.operation.Operation;
import com.sk89q.worldedit.function.pattern.Pattern;
import javax.annotation.Nullable;
/** /**
* A world, portion of a world, clipboard, or other object that can have blocks set or * A world, portion of a world, clipboard, or other object that can have blocks
* entities placed. * set or entities placed.
*/
public interface Extent {
/**
* Get a snapshot of the block at the given location.
* </p>
* If the given position is out of the bounds of the extent, then the behavior
* is undefined (an air block could be returned). However, <code>null</code>
* should <strong>not</strong> be returned.
* </p>
* The returned block is mutable and is a snapshot of the block at the time
* of call. It has no position attached to it, so it could be reused in
* {@link Pattern}s and so on.
* </p>
* Calls to this method can actually be quite expensive, so cache results
* whenever it is possible, while being aware of the mutability aspect.
* The cost, however, depends on the implementation and particular extent.
* If only basic information about the block is required, then use of
* {@link #getLazyBlock(Vector)} is recommended.
* *
* @param position position of the block * @see InputExtent the get____() portion
* @return the block * @see OutputExtent the set____() portion
*/ */
BaseBlock getBlock(Vector position); public interface Extent extends InputExtent, OutputExtent {
/**
* Get a lazy, immutable snapshot of the block at the given location that only
* immediately contains information about the block's type (and metadata).
* </p>
* Further information (such as NBT data) will be available <strong>by the
* time of access</strong>. Therefore, it is not recommended that
* this method is used if the world is being simulated at the time of
* call. If the block needs to be stored for future use, then this method should
* definitely not be used. Moreover, the block that is returned is immutable (or
* should be), and therefore modifications should not be attempted on it. If a
* modifiable copy is required, then the block should be cloned.
* </p>
* This method exists because it is sometimes important to inspect the block
* at a given location, but {@link #getBlock(Vector)} may be too expensive in
* the underlying implementation. It is also not possible to implement
* caching if the returned object is mutable, so this methods allows caching
* implementations to be used.
*
* @param position position of the block
* @return the block
*/
BaseBlock getLazyBlock(Vector position);
/**
* Change the block at the given location to the given block. The operation may
* not tie the given {@link BaseBlock} to the world, so future changes to the
* {@link BaseBlock} do not affect the world until this method is called again.
* </p>
* The return value of this method indicates whether the change was probably
* successful. It may not be successful if, for example, the location is out
* of the bounds of the extent. It may be unsuccessful if the block passed
* is the same as the one in the world. However, the return value is only an
* estimation and it may be incorrect, but it could be used to count, for
* example, the approximate number of changes.
*
* @param position position of the block
* @param block block to set
* @return true if the block was successfully set (return value may not be accurate)
*/
boolean setBlock(Vector position, BaseBlock block) throws WorldEditException;
/**
* Return an {@link Operation} that should be called to tie up loose ends
* (such as to commit changes in a buffer).
*
* @return an operation or null if there is none to execute
*/
@Nullable Operation commit();
} }

76
src/main/java/com/sk89q/worldedit/extent/InputExtent.java Normale Datei
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@ -0,0 +1,76 @@
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.extent;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.function.pattern.Pattern;
/**
* Provides the current state of blocks, entities, and so on.
*/
public interface InputExtent {
/**
* Get a snapshot of the block at the given location.
* </p>
* If the given position is out of the bounds of the extent, then the behavior
* is undefined (an air block could be returned). However, <code>null</code>
* should <strong>not</strong> be returned.
* </p>
* The returned block is mutable and is a snapshot of the block at the time
* of call. It has no position attached to it, so it could be reused in
* {@link Pattern}s and so on.
* </p>
* Calls to this method can actually be quite expensive, so cache results
* whenever it is possible, while being aware of the mutability aspect.
* The cost, however, depends on the implementation and particular extent.
* If only basic information about the block is required, then use of
* {@link #getLazyBlock(Vector)} is recommended.
*
* @param position position of the block
* @return the block
*/
BaseBlock getBlock(Vector position);
/**
* Get a lazy, immutable snapshot of the block at the given location that only
* immediately contains information about the block's type (and metadata).
* </p>
* Further information (such as NBT data) will be available <strong>by the
* time of access</strong>. Therefore, it is not recommended that
* this method is used if the world is being simulated at the time of
* call. If the block needs to be stored for future use, then this method should
* definitely not be used. Moreover, the block that is returned is immutable (or
* should be), and therefore modifications should not be attempted on it. If a
* modifiable copy is required, then the block should be cloned.
* </p>
* This method exists because it is sometimes important to inspect the block
* at a given location, but {@link #getBlock(Vector)} may be too expensive in
* the underlying implementation. It is also not possible to implement
* caching if the returned object is mutable, so this methods allows caching
* implementations to be used.
*
* @param position position of the block
* @return the block
*/
BaseBlock getLazyBlock(Vector position);
}

60
src/main/java/com/sk89q/worldedit/extent/OutputExtent.java Normale Datei
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@ -0,0 +1,60 @@
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.extent;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.function.operation.Operation;
import javax.annotation.Nullable;
/**
* Accepts block and entity changes.
*/
public interface OutputExtent {
/**
* Change the block at the given location to the given block. The operation may
* not tie the given {@link BaseBlock} to the world, so future changes to the
* {@link BaseBlock} do not affect the world until this method is called again.
* </p>
* The return value of this method indicates whether the change was probably
* successful. It may not be successful if, for example, the location is out
* of the bounds of the extent. It may be unsuccessful if the block passed
* is the same as the one in the world. However, the return value is only an
* estimation and it may be incorrect, but it could be used to count, for
* example, the approximate number of changes.
*
* @param position position of the block
* @param block block to set
* @return true if the block was successfully set (return value may not be accurate)
*/
boolean setBlock(Vector position, BaseBlock block) throws WorldEditException;
/**
* Return an {@link Operation} that should be called to tie up loose ends
* (such as to commit changes in a buffer).
*
* @return an operation or null if there is none to execute
*/
@Nullable Operation commit();
}