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Add support for copying entities between Extents.

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sk89q
2014-07-10 22:22:35 -07:00
parent 52f1a7d2d4
commit 0ce7954dc9
23 changed files with 768 additions and 108 deletions
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68
src/main/java/com/sk89q/worldedit/history/change/EntityCreate.java Normal file
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/*
* 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 Lesser 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.history.change;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.entity.BaseEntity;
import com.sk89q.worldedit.entity.Entity;
import com.sk89q.worldedit.history.UndoContext;
import com.sk89q.worldedit.util.Location;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Logs the creation of an entity and removes the entity upon undo.
*/
public class EntityCreate implements Change {
private final Location location;
private final BaseEntity state;
private Entity entity;
/**
* Create a new instance.
*
* @param location the location
* @param state the state of the created entity
* @param entity the entity that was created
*/
public EntityCreate(Location location, BaseEntity state, Entity entity) {
checkNotNull(location);
checkNotNull(state);
checkNotNull(entity);
this.location = location;
this.state = state;
this.entity = entity;
}
@Override
public void undo(UndoContext context) throws WorldEditException {
if (entity != null) {
entity.remove();
entity = null;
}
}
@Override
public void redo(UndoContext context) throws WorldEditException {
entity = checkNotNull(context.getExtent()).createEntity(location, state);
}
}

65
src/main/java/com/sk89q/worldedit/history/change/EntityRemove.java Normal file
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/*
* 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 Lesser 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.history.change;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.entity.BaseEntity;
import com.sk89q.worldedit.entity.Entity;
import com.sk89q.worldedit.history.UndoContext;
import com.sk89q.worldedit.util.Location;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Tracks the removal of an entity.
*/
public class EntityRemove implements Change {
private final Location location;
private final BaseEntity state;
private Entity entity;
/**
* Create a new instance.
*
* @param location the location
* @param state the state of the created entity
*/
public EntityRemove(Location location, BaseEntity state) {
checkNotNull(location);
checkNotNull(state);
this.location = location;
this.state = state;
}
@Override
public void undo(UndoContext context) throws WorldEditException {
entity = checkNotNull(context.getExtent()).createEntity(location, state);
}
@Override
public void redo(UndoContext context) throws WorldEditException {
if (entity != null) {
entity.remove();
entity = null;
}
}
}