mirror of
https://github.com/VolmitSoftware/Iris.git
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91 lines
2.7 KiB
Java
91 lines
2.7 KiB
Java
package com.volmit.iris.object;
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import com.volmit.iris.scaffold.cache.AtomicCache;
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import com.volmit.iris.generator.noise.CNG;
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import com.volmit.iris.util.Desc;
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import com.volmit.iris.util.DontObfuscate;
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import com.volmit.iris.util.IrisInterpolation;
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import com.volmit.iris.util.M;
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import com.volmit.iris.util.MaxNumber;
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import com.volmit.iris.util.MinNumber;
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import com.volmit.iris.util.RNG;
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import com.volmit.iris.util.Required;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import lombok.experimental.Accessors;
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@Accessors(chain = true)
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@NoArgsConstructor
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@AllArgsConstructor
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@Desc("Translate objects")
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@Data
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public class IrisCarveLayer
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{
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@Required
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@DontObfuscate
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@Desc("The 4d slope this carve layer follows")
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private IrisGeneratorStyle style = new IrisGeneratorStyle();
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@MaxNumber(512)
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@MinNumber(-128)
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@DontObfuscate
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@Desc("The max height")
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private int maxHeight = 220;
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@MinNumber(0.0)
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@MaxNumber(1.0)
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@DontObfuscate
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@Desc("The full percentage means the 4D opacity of this carver will decay from 100% to 0% at the min & max vertical ranges. Setting the percent to 1.0 will make a very drastic & charp change at the edge of the vertical min & max. Where as 0.15 means only 15% of the vertical range will actually be 100% opacity.")
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private double fullPercent = 0.5;
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@MaxNumber(512)
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@MinNumber(-128)
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@DontObfuscate
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@Desc("The min height")
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private int minHeight = 147;
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@MaxNumber(1)
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@MinNumber(0)
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@DontObfuscate
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@Desc("The threshold used as: \n\ncarved = noise(x,y,z) > threshold")
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private double threshold = 0.5;
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private final transient AtomicCache<CNG> cng = new AtomicCache<>();
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public boolean isCarved(RNG rng, double x, double y, double z)
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{
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if(y > getMaxHeight() || y < getMinHeight())
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{
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return false;
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}
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double opacity = Math.pow(IrisInterpolation.sinCenter(M.lerpInverse(getMinHeight(), getMaxHeight(), y)), 4);
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return cng.aquire(() -> getStyle().create(rng.nextParallelRNG(-2340 * getMaxHeight() * getMinHeight()))).fitDouble(0D, 1D, x, y, z) * opacity > getThreshold();
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}
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public boolean isCarved2(RNG rng, double x, double y, double z)
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{
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if(y > getMaxHeight() || y < getMinHeight())
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{
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return false;
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}
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double innerRange = fullPercent * (maxHeight - minHeight);
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double opacity = 1D;
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if(y <= minHeight+innerRange)
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{
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opacity = IrisInterpolation.bezier(M.lerpInverse(getMinHeight(), minHeight+innerRange, y));
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}
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else if(y >=maxHeight - innerRange)
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{
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opacity = IrisInterpolation.bezier(1D - M.lerpInverse(maxHeight-innerRange, getMaxHeight(), y));
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}
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return cng.aquire(() -> getStyle().create(rng.nextParallelRNG(-2340 * getMaxHeight() * getMinHeight()))).fitDouble(0D, 1D, x, y, z) * opacity > getThreshold();
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}
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}
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