Initial commit

common/addons/config-palette/README.md

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+# config-palette
+
+Registers the default configuration for Terra Palettes, `PALETTE`.

common/addons/config-palette/build.gradle.kts

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+dependencies {
+}

common/addons/config-palette/src/main/java/com/dfsek/terra/addons/palette/PaletteAddon.java

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+package com.dfsek.terra.addons.palette;
+
+import com.dfsek.terra.addons.palette.palette.PaletteLayerHolder;
+import com.dfsek.terra.addons.palette.palette.PaletteLayerLoader;
+import com.dfsek.terra.api.Platform;
+import com.dfsek.terra.api.addon.TerraAddon;
+import com.dfsek.terra.api.addon.annotations.Addon;
+import com.dfsek.terra.api.addon.annotations.Author;
+import com.dfsek.terra.api.addon.annotations.Version;
+import com.dfsek.terra.api.event.events.config.pack.ConfigPackPreLoadEvent;
+import com.dfsek.terra.api.event.functional.FunctionalEventHandler;
+import com.dfsek.terra.api.inject.annotations.Inject;
+
+
+@Addon("config-palette")
+@Author("Terra")
+@Version("1.0.0")
+public class PaletteAddon extends TerraAddon {
+    @Inject
+    private Platform platform;
+    
+    @Override
+    public void initialize() {
+        platform.getEventManager()
+                .getHandler(FunctionalEventHandler.class)
+                .register(this, ConfigPackPreLoadEvent.class)
+                .then(event -> {
+                event.getPack().registerConfigType(new PaletteConfigType(platform), "PALETTE", 2);
+                event.getPack().applyLoader(PaletteLayerHolder.class, new PaletteLayerLoader());
+            })
+                .failThrough();
+    }
+}

common/addons/config-palette/src/main/java/com/dfsek/terra/addons/palette/PaletteConfigType.java

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+package com.dfsek.terra.addons.palette;
+
+import com.dfsek.tectonic.exception.LoadException;
+import com.dfsek.tectonic.loading.TypeLoader;
+
+import java.util.function.Supplier;
+
+import com.dfsek.terra.addons.palette.palette.PaletteImpl;
+import com.dfsek.terra.api.Platform;
+import com.dfsek.terra.api.config.ConfigFactory;
+import com.dfsek.terra.api.config.ConfigPack;
+import com.dfsek.terra.api.config.ConfigType;
+import com.dfsek.terra.api.registry.OpenRegistry;
+import com.dfsek.terra.api.util.reflection.TypeKey;
+import com.dfsek.terra.api.world.generator.Palette;
+
+
+public class PaletteConfigType implements ConfigType<PaletteTemplate, Palette> {
+    public static final TypeKey<Palette> PALETTE_TYPE_TOKEN = new TypeKey<>() {
+    };
+    private final PaletteFactory factory = new PaletteFactory();
+    private final Platform platform;
+    
+    public PaletteConfigType(Platform platform) {
+        this.platform = platform;
+    }
+    
+    @Override
+    public Supplier<OpenRegistry<Palette>> registrySupplier(ConfigPack pack) {
+        return () -> pack.getRegistryFactory().create(registry -> (TypeLoader<Palette>) (t, c, loader) -> {
+            if(((String) c).startsWith("BLOCK:"))
+                return new PaletteImpl.Singleton(
+                        platform.getWorldHandle().createBlockData(((String) c).substring(6))); // Return single palette for BLOCK: shortcut.
+            Palette obj = registry.get((String) c);
+            if(obj == null)
+                throw new LoadException("No such " + t.getType().getTypeName() + " matching \"" + c + "\" was found in this registry.");
+            return obj;
+        });
+    }
+    
+    @Override
+    public PaletteTemplate getTemplate(ConfigPack pack, Platform platform) {
+        return new PaletteTemplate();
+    }
+    
+    @Override
+    public ConfigFactory<PaletteTemplate, Palette> getFactory() {
+        return factory;
+    }
+    
+    @Override
+    public TypeKey<Palette> getTypeKey() {
+        return PALETTE_TYPE_TOKEN;
+    }
+}

common/addons/config-palette/src/main/java/com/dfsek/terra/addons/palette/PaletteFactory.java

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+package com.dfsek.terra.addons.palette;
+
+import com.dfsek.terra.addons.palette.palette.NoisePalette;
+import com.dfsek.terra.addons.palette.palette.PaletteLayerHolder;
+import com.dfsek.terra.api.Platform;
+import com.dfsek.terra.api.config.ConfigFactory;
+import com.dfsek.terra.api.world.generator.Palette;
+
+
+public class PaletteFactory implements ConfigFactory<PaletteTemplate, Palette> {
+    @Override
+    public Palette build(PaletteTemplate config, Platform platform) {
+        NoisePalette palette = new NoisePalette(config.getNoise());
+        for(PaletteLayerHolder layer : config.getPalette()) {
+            palette.add(layer.getLayer(), layer.getSize(), layer.getSampler());
+        }
+        return palette;
+    }
+}

common/addons/config-palette/src/main/java/com/dfsek/terra/addons/palette/PaletteTemplate.java

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+package com.dfsek.terra.addons.palette;
+
+import com.dfsek.tectonic.annotations.Default;
+import com.dfsek.tectonic.annotations.Final;
+import com.dfsek.tectonic.annotations.Value;
+
+import java.util.List;
+
+import com.dfsek.terra.addons.palette.palette.PaletteLayerHolder;
+import com.dfsek.terra.api.config.AbstractableTemplate;
+import com.dfsek.terra.api.config.meta.Meta;
+import com.dfsek.terra.api.noise.NoiseSampler;
+
+
+@SuppressWarnings({ "FieldMayBeFinal", "unused" })
+public class PaletteTemplate implements AbstractableTemplate {
+    @Value("noise")
+    @Default
+    private @Meta NoiseSampler noise = NoiseSampler.zero();
+    
+    @Value("id")
+    @Final
+    private String id;
+    
+    @Value("layers")
+    private @Meta List<@Meta PaletteLayerHolder> palette;
+    
+    public String getID() {
+        return id;
+    }
+    
+    public List<PaletteLayerHolder> getPalette() {
+        return palette;
+    }
+    
+    public NoiseSampler getNoise() {
+        return noise;
+    }
+}

common/addons/config-palette/src/main/java/com/dfsek/terra/addons/palette/palette/NoisePalette.java

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+package com.dfsek.terra.addons.palette.palette;
+
+import java.util.List;
+
+import com.dfsek.terra.api.block.state.BlockState;
+import com.dfsek.terra.api.noise.NoiseSampler;
+
+
+public class NoisePalette extends PaletteImpl {
+    private final NoiseSampler sampler;
+    
+    public NoisePalette(NoiseSampler sampler) {
+        this.sampler = sampler;
+    }
+    
+    @Override
+    public BlockState get(int layer, double x, double y, double z, long seed) {
+        PaletteLayer paletteLayer;
+        if(layer > this.getSize()) paletteLayer = this.getLayers().get(this.getLayers().size() - 1);
+        else {
+            List<PaletteLayer> pl = getLayers();
+            if(layer >= pl.size()) paletteLayer = pl.get(pl.size() - 1);
+            else paletteLayer = pl.get(layer);
+        }
+        NoiseSampler paletteSampler = paletteLayer.getSampler();
+        return paletteLayer.get(paletteSampler == null ? sampler : paletteSampler, x, y, z, seed);
+    }
+}

common/addons/config-palette/src/main/java/com/dfsek/terra/addons/palette/palette/PaletteImpl.java

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+package com.dfsek.terra.addons.palette.palette;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.dfsek.terra.api.block.state.BlockState;
+import com.dfsek.terra.api.noise.NoiseSampler;
+import com.dfsek.terra.api.util.collection.ProbabilityCollection;
+import com.dfsek.terra.api.world.generator.Palette;
+
+
+/**
+ * A class representation of a "slice" of the world.
+ * Used to get a section of blocks, based on the depth at which they are found.
+ */
+public abstract class PaletteImpl implements Palette {
+    private final List<PaletteLayer> pallet = new ArrayList<>();
+    
+    /**
+     * Constructs a blank palette.
+     */
+    public PaletteImpl() {
+    
+    }
+    
+    @Override
+    public Palette add(BlockState m, int layers, NoiseSampler sampler) {
+        for(int i = 0; i < layers; i++) {
+            pallet.add(new PaletteLayer(m, sampler));
+        }
+        return this;
+    }
+    
+    @Override
+    public Palette add(ProbabilityCollection<BlockState> m, int layers, NoiseSampler sampler) {
+        for(int i = 0; i < layers; i++) {
+            pallet.add(new PaletteLayer(m, sampler));
+        }
+        return this;
+    }
+    
+    
+    @Override
+    public int getSize() {
+        return pallet.size();
+    }
+    
+    public List<PaletteLayer> getLayers() {
+        return pallet;
+    }
+    
+    /**
+     * Class representation of a layer of a BlockPalette.
+     */
+    public static class PaletteLayer {
+        private final boolean col; // Is layer using a collection?
+        private final NoiseSampler sampler;
+        private ProbabilityCollection<BlockState> collection;
+        private BlockState m;
+        
+        /**
+         * Constructs a PaletteLayerHolder with a ProbabilityCollection of materials and a number of layers.
+         *
+         * @param type    The collection of materials to choose from.
+         * @param sampler Noise sampler to use
+         */
+        public PaletteLayer(ProbabilityCollection<BlockState> type, NoiseSampler sampler) {
+            this.sampler = sampler;
+            this.col = true;
+            this.collection = type;
+        }
+        
+        /**
+         * Constructs a PaletteLayerHolder with a single Material and a number of layers.
+         *
+         * @param type    The material to use.
+         * @param sampler Noise sampler to use
+         */
+        public PaletteLayer(BlockState type, NoiseSampler sampler) {
+            this.sampler = sampler;
+            this.col = false;
+            this.m = type;
+        }
+        
+        public BlockState get(NoiseSampler random, double x, double y, double z, long seed) {
+            if(col) return this.collection.get(random, x, y, z, seed);
+            return m;
+        }
+        
+        public NoiseSampler getSampler() {
+            return sampler;
+        }
+        
+        public ProbabilityCollection<BlockState> getCollection() {
+            return collection;
+        }
+    }
+    
+    
+    public static class Singleton extends PaletteImpl {
+        private final BlockState item;
+        
+        public Singleton(BlockState item) {
+            this.item = item;
+        }
+        
+        @Override
+        public BlockState get(int layer, double x, double y, double z, long seed) {
+            return item;
+        }
+    }
+}

common/addons/config-palette/src/main/java/com/dfsek/terra/addons/palette/palette/PaletteLayerHolder.java

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+package com.dfsek.terra.addons.palette.palette;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.dfsek.terra.api.block.state.BlockState;
+import com.dfsek.terra.api.noise.NoiseSampler;
+import com.dfsek.terra.api.util.collection.ProbabilityCollection;
+
+
+public class PaletteLayerHolder {
+    private final ProbabilityCollection<BlockState> layer;
+    private final NoiseSampler sampler;
+    private final int size;
+    
+    public PaletteLayerHolder(@NotNull ProbabilityCollection<BlockState> layer, NoiseSampler sampler, int size) {
+        this.layer = layer;
+        this.sampler = sampler;
+        this.size = size;
+    }
+    
+    @NotNull
+    public ProbabilityCollection<BlockState> getLayer() {
+        return layer;
+    }
+    
+    public int getSize() {
+        return size;
+    }
+    
+    public NoiseSampler getSampler() {
+        return sampler;
+    }
+}

common/addons/config-palette/src/main/java/com/dfsek/terra/addons/palette/palette/PaletteLayerLoader.java

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+package com.dfsek.terra.addons.palette.palette;
+
+import com.dfsek.tectonic.exception.LoadException;
+import com.dfsek.tectonic.loading.ConfigLoader;
+import com.dfsek.tectonic.loading.TypeLoader;
+
+import java.lang.reflect.AnnotatedType;
+import java.util.Map;
+
+import com.dfsek.terra.api.block.state.BlockState;
+import com.dfsek.terra.api.noise.NoiseSampler;
+import com.dfsek.terra.api.util.collection.ProbabilityCollection;
+
+
+@SuppressWarnings("unchecked")
+public class PaletteLayerLoader implements TypeLoader<PaletteLayerHolder> {
+    private static final AnnotatedType BLOCK_DATA_PROBABILITY_COLLECTION_TYPE;
+    static {
+        try {
+            BLOCK_DATA_PROBABILITY_COLLECTION_TYPE = PaletteLayerLoader.class.getDeclaredField("blockStateProbabilityCollection")
+                                                                             .getAnnotatedType();
+        } catch(NoSuchFieldException e) {
+            throw new Error("this should never happen. i dont know what you did to make this happen but something is very wrong.", e);
+        }
+    }
+    @SuppressWarnings("unused")
+    private ProbabilityCollection<BlockState> blockStateProbabilityCollection;
+    
+    @Override
+    public PaletteLayerHolder load(AnnotatedType type, Object o, ConfigLoader configLoader) throws LoadException {
+        Map<String, Object> map = (Map<String, Object>) o;
+        ProbabilityCollection<BlockState> collection = (ProbabilityCollection<BlockState>) configLoader.loadType(
+                BLOCK_DATA_PROBABILITY_COLLECTION_TYPE, map.get("materials"));
+        
+        NoiseSampler sampler = null;
+        if(map.containsKey("noise")) {
+            sampler = configLoader.loadType(NoiseSampler.class, map.get("noise"));
+        }
+        
+        if(collection == null) throw new LoadException("Collection is null: " + map.get("materials"));
+        return new PaletteLayerHolder(collection, sampler, (Integer) map.get("layers"));
+    }
+}