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Streamed expressions

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This commit is contained in:
Daniel Mills 2021-08-02 15:59:27 -04:00
parent a6039278c3
commit 9fb4798c77
1 changed files with 9 additions and 0 deletions
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src/main/java/com/volmit/iris/engine/object/IrisExpression.java
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@ -26,6 +26,8 @@ import com.volmit.iris.engine.cache.AtomicCache;
import com.volmit.iris.engine.object.annotations.ArrayType;
import com.volmit.iris.engine.object.annotations.Desc;
import com.volmit.iris.engine.object.annotations.Required;
import com.volmit.iris.engine.stream.ProceduralStream;
import com.volmit.iris.engine.stream.interpolation.Interpolated;
import com.volmit.iris.util.collection.KList;
import com.volmit.iris.util.math.RNG;
import lombok.AllArgsConstructor;
@ -53,6 +55,7 @@ public class IrisExpression extends IrisRegistrant {
private String expression;
private transient AtomicCache<Expression> expressionCache = new AtomicCache<>();
private transient AtomicCache<ProceduralStream<Double>> streamCache = new AtomicCache<>();
private Expression expression() {
return expressionCache.aquire(() -> {
@ -82,6 +85,12 @@ public class IrisExpression extends IrisRegistrant {
});
}
public ProceduralStream<Double> stream(RNG rng)
{
return streamCache.aquire(() -> ProceduralStream.of((x, z) -> evaluate(rng, x, z),
(x, y, z) -> evaluate(rng, x, y, z), Interpolated.DOUBLE));
}
public double evaluate(RNG rng, double x, double z) {
double[] g = new double[3 + getVariables().size()];
int m = 0;