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Merge pull request #269 from sk89q/generatebiome

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Added a //generatebiome command, which uses formulae to generate free-form biomes.
This commit is contained in:
Albert Pham
2013-11-01 12:23:27 -07:00
parent 37e52707f1 f7c7292f79
commit 9930fb7338
3 changed files with 293 additions and 0 deletions
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35
src/main/java/com/sk89q/worldedit/EditSession.java
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@ -46,6 +46,7 @@ import com.sk89q.worldedit.patterns.Pattern;
import com.sk89q.worldedit.regions.CuboidRegion;
import com.sk89q.worldedit.regions.Region;
import com.sk89q.worldedit.regions.RegionOperationException;
import com.sk89q.worldedit.shape.ArbitraryBiomeShape;
import com.sk89q.worldedit.shape.ArbitraryShape;
import com.sk89q.worldedit.shape.RegionShape;
import com.sk89q.worldedit.shape.WorldEditExpressionEnvironment;
@ -3019,4 +3020,38 @@ public class EditSession {
} // while
}
public int makeBiomeShape(final Region region, final Vector zero, final Vector unit, final BiomeType biomeType, final String expressionString, final boolean hollow) throws ExpressionException, MaxChangedBlocksException {
final Vector2D zero2D = zero.toVector2D();
final Vector2D unit2D = unit.toVector2D();
final Expression expression = Expression.compile(expressionString, "x", "z");
expression.optimize();
final EditSession editSession = this;
final WorldEditExpressionEnvironment environment = new WorldEditExpressionEnvironment(editSession, unit, zero);
expression.setEnvironment(environment);
final ArbitraryBiomeShape shape = new ArbitraryBiomeShape(region) {
@Override
protected BiomeType getBiome(int x, int z, BiomeType defaultBiomeType) {
final Vector2D current = new Vector2D(x, z);
environment.setCurrentBlock(current.toVector(0));
final Vector2D scaled = current.subtract(zero2D).divide(unit2D);
try {
if (expression.evaluate(scaled.getX(), scaled.getZ()) <= 0) {
return null;
}
// TODO: Allow biome setting via a script variable (needs BiomeType<->int mapping)
return defaultBiomeType;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
};
return shape.generate(this, biomeType, hollow);
}
}