/*
* 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.regions.shape;
import com.sk89q.worldedit.BlockVector;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.internal.expression.runtime.ExpressionEnvironment;
public class WorldEditExpressionEnvironment implements ExpressionEnvironment {
private final Vector unit;
private final Vector zero2;
private Vector current = new Vector();
private EditSession editSession;
public WorldEditExpressionEnvironment(EditSession editSession, Vector unit, Vector zero) {
this.editSession = editSession;
this.unit = unit;
this.zero2 = zero.add(0.5, 0.5, 0.5);
}
public BlockVector toWorld(double x, double y, double z) {
// unscale, unoffset, round-nearest
return new Vector(x, y, z).multiply(unit).add(zero2).toBlockPoint();
}
public Vector toWorldRel(double x, double y, double z) {
return current.add(x, y, z);
}
@Override
public int getBlockType(double x, double y, double z) {
return editSession.getBlockType(toWorld(x, y, z));
}
@Override
public int getBlockData(double x, double y, double z) {
return editSession.getBlockData(toWorld(x, y, z));
}
@Override
public int getBlockTypeAbs(double x, double y, double z) {
return editSession.getBlockType(new Vector(x, y, z));
}
@Override
public int getBlockDataAbs(double x, double y, double z) {
return editSession.getBlockData(new Vector(x, y, z));
}
@Override
public int getBlockTypeRel(double x, double y, double z) {
return editSession.getBlockType(toWorldRel(x, y, z));
}
@Override
public int getBlockDataRel(double x, double y, double z) {
return editSession.getBlockData(toWorldRel(x, y, z));
}
public void setCurrentBlock(Vector current) {
this.current = current;
}
}