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paralithic implementation

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dfsek
2021-02-03 23:15:36 -07:00
parent 1863ba29fc
commit 565266992f
13 changed files with 67 additions and 97 deletions
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3
common/build.gradle.kts
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@@ -13,10 +13,11 @@ dependencies {
"shadedApi"("org.apache.commons:commons-rng-core:1.3")
"shadedApi"("commons-io:commons-io:2.4")
"shadedApi"("com.scireum:parsii:1.2.1")
"shadedApi"("com.dfsek:Paralithic:0.1.0+21c6ff6")
"shadedApi"("com.dfsek:Tectonic:1.2.3")
"shadedApi"("net.jafama:jafama:2.3.2")
"shadedApi"("org.yaml:snakeyaml:1.27")
"shadedApi"("org.ow2.asm:asm:9.0")
"compileOnly"("com.googlecode.json-simple:json-simple:1.1")

32
common/src/main/java/com/dfsek/terra/api/math/noise/samplers/ExpressionSampler.java
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@@ -1,37 +1,31 @@
package com.dfsek.terra.api.math.noise.samplers;
import com.dfsek.paralithic.Expression;
import com.dfsek.paralithic.eval.parser.Parser;
import com.dfsek.paralithic.eval.parser.Scope;
import com.dfsek.paralithic.eval.tokenizer.ParseException;
import com.dfsek.terra.api.math.noise.NoiseSampler;
import com.dfsek.terra.api.math.parsii.defined.UserDefinedFunction;
import com.dfsek.terra.api.math.parsii.noise.NoiseFunction2;
import com.dfsek.terra.api.math.parsii.noise.NoiseFunction3;
import com.dfsek.terra.api.util.seeded.NoiseSeeded;
import com.dfsek.terra.config.loaders.config.function.FunctionTemplate;
import parsii.eval.Expression;
import parsii.eval.Parser;
import parsii.eval.Scope;
import parsii.eval.Variable;
import parsii.tokenizer.ParseException;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* Sampler implementation using parsii expression
*/
public class ExpressionSampler implements NoiseSampler {
private final Expression expression;
private final Variable x;
private final Variable y;
private final Variable z;
public ExpressionSampler(String equation, Scope parent, long seed, Map<String, NoiseSeeded> functions, Map<String, FunctionTemplate> definedFunctions) throws ParseException {
Parser parser = new Parser();
Scope scope = new Scope().withParent(parent);
this.x = scope.create("x");
this.y = scope.create("y");
this.z = scope.create("z");
scope.addInvocationVariable("x");
scope.addInvocationVariable("y");
scope.addInvocationVariable("z");
functions.forEach((id, noise) -> {
switch(noise.getDimensions()) {
@@ -49,25 +43,21 @@ public class ExpressionSampler implements NoiseSampler {
FunctionTemplate fun = entry.getValue();
Scope functionScope = new Scope().withParent(parent);
List<Variable> variables = fun.getArgs().stream().map(functionScope::create).collect(Collectors.toList());
parser.registerFunction(id, new UserDefinedFunction(parser.parse(fun.getFunction(), functionScope), variables));
parser.registerFunction(id, new UserDefinedFunction(parser.parse(fun.getFunction(), functionScope), fun.getArgs().size()));
}
this.expression = parser.parse(equation, scope);
}
@Override
public synchronized double getNoise(double x, double y) {
public double getNoise(double x, double y) {
return getNoise(x, 0, y);
}
@Override
public synchronized double getNoise(double x, double y, double z) {
this.x.setValue(x);
this.y.setValue(y);
this.z.setValue(z);
return expression.evaluate();
public double getNoise(double x, double y, double z) {
return expression.evaluate(x, y, z);
}
@Override

13
common/src/main/java/com/dfsek/terra/api/math/parsii/BlankFunction.java
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@@ -1,11 +1,8 @@
package com.dfsek.terra.api.math.parsii;
import parsii.eval.Expression;
import parsii.eval.Function;
import com.dfsek.paralithic.function.dynamic.DynamicFunction;
import java.util.List;
public class BlankFunction implements Function {
public class BlankFunction implements DynamicFunction {
private final int args;
public BlankFunction(int args) {
@@ -13,17 +10,17 @@ public class BlankFunction implements Function {
}
@Override
public int getNumberOfArguments() {
public int getArgNumber() {
return args;
}
@Override
public double eval(List<Expression> list) {
public double eval(double... d) {
return 0;
}
@Override
public boolean isNaturalFunction() {
public boolean isStateless() {
return true;
}
}

40
common/src/main/java/com/dfsek/terra/api/math/parsii/defined/UserDefinedFunction.java
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@@ -1,35 +1,31 @@
package com.dfsek.terra.api.math.parsii.defined;
import parsii.eval.Expression;
import parsii.eval.Function;
import parsii.eval.Variable;
import com.dfsek.paralithic.Expression;
import com.dfsek.paralithic.function.dynamic.DynamicFunction;
import java.util.List;
public class UserDefinedFunction implements Function {
public class UserDefinedFunction implements DynamicFunction {
private final Expression expression;
private final List<Variable> variables;
private final int args;
public UserDefinedFunction(Expression expression, List<Variable> variables) {
public UserDefinedFunction(Expression expression, int args) {
this.expression = expression;
this.variables = variables;
this.args = args;
}
@Override
public double eval(double... args) {
return expression.evaluate(args);
}
@Override
public int getNumberOfArguments() {
return variables.size();
}
@Override
public synchronized double eval(List<Expression> args) {
for(int i = 0; i < variables.size(); i++) {
variables.get(i).setValue(args.get(i).evaluate());
}
return expression.evaluate();
}
@Override
public boolean isNaturalFunction() {
public boolean isStateless() {
return true;
}
@Override
public int getArgNumber() {
return args;
}
}

4
common/src/main/java/com/dfsek/terra/api/math/parsii/noise/NoiseFunction.java
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@@ -1,6 +1,6 @@
package com.dfsek.terra.api.math.parsii.noise;
import parsii.eval.Function;
import com.dfsek.paralithic.function.dynamic.DynamicFunction;
public interface NoiseFunction extends Function {
public interface NoiseFunction extends DynamicFunction {
}

23
common/src/main/java/com/dfsek/terra/api/math/parsii/noise/NoiseFunction2.java
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@@ -3,9 +3,8 @@ package com.dfsek.terra.api.math.parsii.noise;
import com.dfsek.terra.api.math.noise.NoiseSampler;
import com.dfsek.terra.api.util.seeded.NoiseSeeded;
import com.dfsek.terra.util.hash.HashMapDoubleDouble;
import parsii.eval.Expression;
import java.util.List;
public class NoiseFunction2 implements NoiseFunction {
private final NoiseSampler gen;
@@ -16,27 +15,17 @@ public class NoiseFunction2 implements NoiseFunction {
}
@Override
public int getNumberOfArguments() {
public int getArgNumber() {
return 2;
}
@Override
public double eval(List<Expression> list) {
return cache.get(gen, list.get(0).evaluate(), list.get(1).evaluate());
}
/**
* Evaluate without cache. For testing.
*
* @param list Parameters.
* @return Result.
*/
public double evalNoCache(List<Expression> list) {
return gen.getNoise(list.get(0).evaluate(), list.get(1).evaluate());
public double eval(double... args) {
return cache.get(gen, args[0], args[1]);
}
@Override
public boolean isNaturalFunction() {
public boolean isStateless() {
return true;
}
@@ -55,7 +44,7 @@ public class NoiseFunction2 implements NoiseFunction {
return (value == 4.9E-324D ? addAndReturn(noise.getNoise(x, z), key) : value);
}
private double addAndReturn(double value, double key) {
private synchronized double addAndReturn(double value, double key) {
this.put(key, value);
return value;
}

11
common/src/main/java/com/dfsek/terra/api/math/parsii/noise/NoiseFunction3.java
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@@ -2,9 +2,6 @@ package com.dfsek.terra.api.math.parsii.noise;
import com.dfsek.terra.api.math.noise.NoiseSampler;
import com.dfsek.terra.api.util.seeded.NoiseSeeded;
import parsii.eval.Expression;
import java.util.List;
public class NoiseFunction3 implements NoiseFunction {
private final NoiseSampler gen;
@@ -14,17 +11,17 @@ public class NoiseFunction3 implements NoiseFunction {
}
@Override
public int getNumberOfArguments() {
public int getArgNumber() {
return 3;
}
@Override
public double eval(List<Expression> list) {
return gen.getNoise(list.get(0).evaluate(), list.get(1).evaluate(), list.get(2).evaluate());
public double eval(double... args) {
return gen.getNoise(args[0], args[1], args[2]);
}
@Override
public boolean isNaturalFunction() {
public boolean isStateless() {
return true;
}
}

4
common/src/main/java/com/dfsek/terra/config/builder/GeneratorBuilder.java
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@@ -1,5 +1,7 @@
package com.dfsek.terra.config.builder;
import com.dfsek.paralithic.eval.parser.Scope;
import com.dfsek.paralithic.eval.tokenizer.ParseException;
import com.dfsek.terra.api.math.noise.NoiseSampler;
import com.dfsek.terra.api.math.noise.samplers.ConstantSampler;
import com.dfsek.terra.api.math.noise.samplers.ExpressionSampler;
@@ -7,8 +9,6 @@ import com.dfsek.terra.api.util.seeded.NoiseSeeded;
import com.dfsek.terra.api.world.palette.holder.PaletteHolder;
import com.dfsek.terra.config.loaders.config.function.FunctionTemplate;
import com.dfsek.terra.world.generation.WorldGenerator;
import parsii.eval.Scope;
import parsii.tokenizer.ParseException;
import java.util.Collections;
import java.util.HashMap;

4
common/src/main/java/com/dfsek/terra/config/factories/BiomeFactory.java
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@@ -1,5 +1,6 @@
package com.dfsek.terra.config.factories;
import com.dfsek.paralithic.eval.parser.Scope;
import com.dfsek.terra.api.core.TerraPlugin;
import com.dfsek.terra.biome.TerraBiome;
import com.dfsek.terra.biome.UserDefinedBiome;
@@ -7,7 +8,6 @@ import com.dfsek.terra.config.builder.GeneratorBuilder;
import com.dfsek.terra.config.loaders.config.function.FunctionTemplate;
import com.dfsek.terra.config.pack.ConfigPack;
import com.dfsek.terra.config.templates.BiomeTemplate;
import parsii.eval.Scope;
import java.util.HashMap;
import java.util.Map;
@@ -35,7 +35,7 @@ public class BiomeFactory implements TerraFactory<BiomeTemplate, TerraBiome> {
generatorBuilder.setSlantPalettes(template.getSlantPalette());
Scope vars = new Scope().withParent(pack.getVarScope());
template.getVariables().forEach((id, val) -> vars.create(id).setValue(val));
template.getVariables().forEach(vars::create);
generatorBuilder.setVarScope(vars);
generatorBuilder.setInterpolateElevation(template.interpolateElevation());

4
common/src/main/java/com/dfsek/terra/config/pack/ConfigPack.java
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@@ -1,5 +1,6 @@
package com.dfsek.terra.config.pack;
import com.dfsek.paralithic.eval.parser.Scope;
import com.dfsek.tectonic.abstraction.AbstractConfigLoader;
import com.dfsek.tectonic.exception.ConfigException;
import com.dfsek.tectonic.exception.LoadException;
@@ -49,7 +50,6 @@ import com.dfsek.terra.world.population.items.TerraStructure;
import com.dfsek.terra.world.population.items.ores.Ore;
import org.apache.commons.io.IOUtils;
import org.json.simple.parser.ParseException;
import parsii.eval.Scope;
import java.awt.image.BufferedImage;
import java.io.File;
@@ -154,7 +154,7 @@ public class ConfigPack implements LoaderRegistrar {
private void load(long start, TerraPlugin main) throws ConfigException {
main.packPreLoadCallback(this);
for(Map.Entry<String, Double> var : template.getVariables().entrySet()) {
varScope.create(var.getKey()).setValue(var.getValue());
varScope.create(var.getKey(), var.getValue());
}
loader.open("structures/data", ".tstructure")
.thenNames(ids -> ids.forEach(id -> main.getLogger().severe("Found .tstructure file \"" + id + "\". This file must be updated to the newer .tesf format to work properly. See version 3.0 release notes for instructions.")))

23
common/src/main/java/com/dfsek/terra/config/templates/BiomeTemplate.java
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@@ -1,5 +1,8 @@
package com.dfsek.terra.config.templates;
import com.dfsek.paralithic.eval.parser.Parser;
import com.dfsek.paralithic.eval.parser.Scope;
import com.dfsek.paralithic.eval.tokenizer.ParseException;
import com.dfsek.tectonic.annotations.Abstractable;
import com.dfsek.tectonic.annotations.Default;
import com.dfsek.tectonic.annotations.Value;
@@ -26,16 +29,11 @@ import com.dfsek.terra.world.population.items.TerraStructure;
import com.dfsek.terra.world.population.items.flora.FloraLayer;
import com.dfsek.terra.world.population.items.ores.OreHolder;
import com.dfsek.terra.world.population.items.tree.TreeLayer;
import parsii.eval.Parser;
import parsii.eval.Scope;
import parsii.eval.Variable;
import parsii.tokenizer.ParseException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
@SuppressWarnings({"FieldMayBeFinal", "unused"})
public class BiomeTemplate extends AbstractableTemplate implements ValidatedConfigTemplate {
@@ -333,12 +331,12 @@ public class BiomeTemplate extends AbstractableTemplate implements ValidatedConf
Parser tester = new Parser();
Scope testScope = new Scope().withParent(pack.getVarScope());
variables.forEach((id, val) -> testScope.create(id).setValue(val));
variables.forEach(testScope::create);
testScope.addInvocationVariable("x");
testScope.addInvocationVariable("y");
testScope.addInvocationVariable("z");
testScope.create("x");
testScope.create("y");
testScope.create("z");
testScope.create("seed");
pack.getTemplate().getNoiseBuilderMap().forEach((id, builder) -> tester.registerFunction(id, new BlankFunction(builder.getDimensions()))); // Register dummy functions
@@ -349,16 +347,17 @@ public class BiomeTemplate extends AbstractableTemplate implements ValidatedConf
FunctionTemplate fun = entry.getValue();
Scope functionScope = new Scope().withParent(testScope);
List<Variable> variables = fun.getArgs().stream().map(functionScope::create).collect(Collectors.toList());
fun.getArgs().forEach(functionScope::addInvocationVariable);
try {
tester.registerFunction(id, new UserDefinedFunction(tester.parse(fun.getFunction(), functionScope), variables));
tester.registerFunction(id, new UserDefinedFunction(tester.parse(fun.getFunction(), functionScope), fun.getArgs().size()));
} catch(ParseException e) {
throw new ValidationException("Invalid function: ", e);
}
}
try {
System.out.println("Testing " + id);
tester.parse(noiseEquation, testScope);
} catch(ParseException e) {
throw new ValidationException("Invalid noise equation: ", e);

1
common/src/main/java/com/dfsek/terra/world/TerraWorld.java
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@@ -24,6 +24,7 @@ public class TerraWorld {
public TerraWorld(World w, ConfigPack c, TerraPlugin main) {
c.getBiomeRegistry().forEach(biome -> biome.getGenerator(w)); // Load all gens to cache
config = c;
profiler = new WorldProfiler(w);
this.provider = config.getTemplate().getProviderBuilder().build(w.getSeed());

2
platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/TerraCommand.java
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@@ -33,7 +33,7 @@ public class TerraCommand extends Command {
@Override
public String getName() {
return "com/dfsek/terra";
return "terra";
}
@Override