Initial commit

common/addons/config-flora/README.md

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+# config-flora
+
+Registers the default configuration for Terra Flora, `FLORA`.

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

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+dependencies {
+}

common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/FloraAddon.java

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+package com.dfsek.terra.addons.flora;
+
+import com.dfsek.terra.addons.flora.config.BlockLayerTemplate;
+import com.dfsek.terra.addons.flora.flora.gen.BlockLayer;
+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-flora")
+@Author("Terra")
+@Version("0.1.0")
+public class FloraAddon 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 FloraConfigType(), "FLORA", 2);
+                event.getPack().applyLoader(BlockLayer.class, BlockLayerTemplate::new);
+            })
+                .failThrough();
+    }
+}

common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/FloraConfigType.java

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+package com.dfsek.terra.addons.flora;
+
+import java.util.function.Supplier;
+
+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.structure.Structure;
+import com.dfsek.terra.api.util.reflection.TypeKey;
+
+
+public class FloraConfigType implements ConfigType<FloraTemplate, Structure> {
+    public static final TypeKey<Structure> FLORA_TYPE_TOKEN = new TypeKey<>() {
+    };
+    private final FloraFactory factory = new FloraFactory();
+    
+    @Override
+    public Supplier<OpenRegistry<Structure>> registrySupplier(ConfigPack pack) {
+        return pack.getRegistryFactory()::create;
+    }
+    
+    @Override
+    public FloraTemplate getTemplate(ConfigPack pack, Platform platform) {
+        return new FloraTemplate();
+    }
+    
+    @Override
+    public ConfigFactory<FloraTemplate, Structure> getFactory() {
+        return factory;
+    }
+    
+    @Override
+    public TypeKey<Structure> getTypeKey() {
+        return FLORA_TYPE_TOKEN;
+    }
+}

common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/FloraFactory.java

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+package com.dfsek.terra.addons.flora;
+
+import com.dfsek.terra.addons.flora.flora.gen.TerraFlora;
+import com.dfsek.terra.api.Platform;
+import com.dfsek.terra.api.config.ConfigFactory;
+import com.dfsek.terra.api.structure.Structure;
+
+
+public class FloraFactory implements ConfigFactory<FloraTemplate, Structure> {
+    @Override
+    public TerraFlora build(FloraTemplate config, Platform platform) {
+        return new TerraFlora(config.getLayers(), config.doPhysics(), config.isCeiling(),
+                              config.getRotatable(),
+                              config.getNoiseDistribution(), config.getID());
+    }
+}

common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/FloraTemplate.java

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+package com.dfsek.terra.addons.flora;
+
+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.flora.flora.gen.BlockLayer;
+import com.dfsek.terra.addons.flora.flora.gen.TerraFlora;
+import com.dfsek.terra.api.config.AbstractableTemplate;
+import com.dfsek.terra.api.config.meta.Meta;
+import com.dfsek.terra.api.noise.NoiseSampler;
+import com.dfsek.terra.api.util.collection.MaterialSet;
+
+
+@SuppressWarnings({ "FieldMayBeFinal", "unused" })
+public class FloraTemplate implements AbstractableTemplate {
+    @Value("id")
+    @Final
+    private String id;
+    @Value("rotatable")
+    @Default
+    private @Meta MaterialSet rotatable = MaterialSet.empty();
+    
+    @Value("physics")
+    @Default
+    private @Meta boolean doPhysics = false;
+    
+    @Value("ceiling")
+    @Default
+    private @Meta boolean ceiling = false;
+    
+    @Value("layers")
+    private @Meta List<@Meta BlockLayer> layers;
+    
+    @Value("layer-distribution")
+    private @Meta NoiseSampler noiseDistribution;
+    
+    public boolean doPhysics() {
+        return doPhysics;
+    }
+    
+    public NoiseSampler getNoiseDistribution() {
+        return noiseDistribution;
+    }
+    
+    public List<BlockLayer> getLayers() {
+        return layers;
+    }
+    
+    public String getID() {
+        return id;
+    }
+    
+    public boolean isCeiling() {
+        return ceiling;
+    }
+    
+    public MaterialSet getRotatable() {
+        return rotatable;
+    }
+}

common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/config/BlockLayerTemplate.java

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+package com.dfsek.terra.addons.flora.config;
+
+import com.dfsek.tectonic.annotations.Value;
+import com.dfsek.tectonic.loading.object.ObjectTemplate;
+
+import com.dfsek.terra.addons.flora.flora.gen.BlockLayer;
+import com.dfsek.terra.api.block.state.BlockState;
+import com.dfsek.terra.api.config.meta.Meta;
+import com.dfsek.terra.api.util.collection.ProbabilityCollection;
+
+
+public class BlockLayerTemplate implements ObjectTemplate<BlockLayer> {
+    @Value("layers")
+    private @Meta int layers;
+    
+    @Value("materials")
+    private @Meta ProbabilityCollection<BlockState> data;
+    
+    @Override
+    public BlockLayer get() {
+        return new BlockLayer(layers, data);
+    }
+}

common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/flora/gen/BlockLayer.java

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+package com.dfsek.terra.addons.flora.flora.gen;
+
+import com.dfsek.terra.api.block.state.BlockState;
+import com.dfsek.terra.api.util.collection.ProbabilityCollection;
+
+
+public class BlockLayer {
+    private final int layers;
+    private final ProbabilityCollection<BlockState> blocks;
+    
+    public BlockLayer(int layers, ProbabilityCollection<BlockState> blocks) {
+        this.layers = layers;
+        this.blocks = blocks;
+    }
+    
+    public int getLayers() {
+        return layers;
+    }
+    
+    public ProbabilityCollection<BlockState> getBlocks() {
+        return blocks;
+    }
+}

common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/flora/gen/TerraFlora.java

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+package com.dfsek.terra.addons.flora.flora.gen;
+
+import net.jafama.FastMath;
+
+import java.util.ArrayList;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Random;
+
+import com.dfsek.terra.api.block.state.BlockState;
+import com.dfsek.terra.api.block.state.properties.base.Properties;
+import com.dfsek.terra.api.block.state.properties.enums.Direction;
+import com.dfsek.terra.api.noise.NoiseSampler;
+import com.dfsek.terra.api.structure.Structure;
+import com.dfsek.terra.api.structure.buffer.Buffer;
+import com.dfsek.terra.api.structure.rotation.Rotation;
+import com.dfsek.terra.api.util.collection.MaterialSet;
+import com.dfsek.terra.api.util.collection.ProbabilityCollection;
+import com.dfsek.terra.api.util.vector.Vector3;
+import com.dfsek.terra.api.world.Chunk;
+import com.dfsek.terra.api.world.World;
+
+
+public class TerraFlora implements Structure {
+    private final List<ProbabilityCollection<BlockState>> layers;
+    private final boolean physics;
+    private final boolean ceiling;
+    
+    private final MaterialSet testRotation;
+    
+    private final NoiseSampler distribution;
+    
+    private final String id;
+    
+    public TerraFlora(List<BlockLayer> layers, boolean physics, boolean ceiling,
+                      MaterialSet testRotation,
+                      NoiseSampler distribution, String id) {
+        this.physics = physics;
+        this.testRotation = testRotation;
+        this.ceiling = ceiling;
+        this.distribution = distribution;
+        this.id = id;
+    
+        this.layers = new ArrayList<>();
+        layers.forEach(layer -> {
+            for(int i = 0; i < layer.getLayers(); i++) {
+                this.layers.add(layer.getBlocks());
+            }
+        });
+    }
+    
+    private void test(EnumSet<Direction> faces, Direction f, Vector3 b, World world) {
+        if(testRotation.contains(
+                world.getBlockData(b.getBlockX() + f.getModX(), b.getBlockY() + f.getModY(), b.getBlockZ() + f.getModZ()).getBlockType()))
+            faces.add(f);
+    }
+    
+    private ProbabilityCollection<BlockState> getStateCollection(int layer) {
+        return layers.get(FastMath.max(FastMath.min(layer, layers.size() - 1), 0));
+    }
+    
+    private EnumSet<Direction> getFaces(Vector3 b, World world) {
+        EnumSet<Direction> faces = EnumSet.noneOf(Direction.class);
+        test(faces, Direction.NORTH, b, world);
+        test(faces, Direction.SOUTH, b, world);
+        test(faces, Direction.EAST, b, world);
+        test(faces, Direction.WEST, b, world);
+        return faces;
+    }
+    
+    @Override
+    public String getID() {
+        return id;
+    }
+    
+    @Override
+    public boolean generate(Vector3 location, World world, Chunk chunk, Random random, Rotation rotation) {
+        return generate(location, world, random, rotation);
+    }
+    
+    @Override
+    public boolean generate(Buffer buffer, World world, Random random, Rotation rotation, int recursions) {
+        return generate(buffer.getOrigin(), world, random, rotation);
+    }
+    
+    @Override
+    public boolean generate(Vector3 location, World world, Random random, Rotation rotation) {
+        boolean doRotation = testRotation.size() > 0;
+        int size = layers.size();
+        int c = ceiling ? -1 : 1;
+    
+        EnumSet<Direction> faces = doRotation ? getFaces(location.clone().add(0, c, 0), world) : EnumSet.noneOf(Direction.class);
+        if(doRotation && faces.size() == 0) return false; // Don't plant if no faces are valid.
+    
+        for(int i = 0; FastMath.abs(i) < size; i += c) { // Down if ceiling, up if floor
+            int lvl = (FastMath.abs(i));
+            BlockState data = getStateCollection((ceiling ? lvl : size - lvl - 1)).get(distribution, location.getX(), location.getY(),
+                                                                                       location.getZ(), world.getSeed()).clone();
+            if(doRotation) {
+                Direction oneFace = new ArrayList<>(faces).get(
+                        new Random(location.getBlockX() ^ location.getBlockZ()).nextInt(faces.size())); // Get random face.
+            
+                data.setIfPresent(Properties.DIRECTION, oneFace.opposite())
+                    .setIfPresent(Properties.NORTH, faces.contains(Direction.NORTH))
+                    .setIfPresent(Properties.SOUTH, faces.contains(Direction.SOUTH))
+                    .setIfPresent(Properties.EAST, faces.contains(Direction.EAST))
+                    .setIfPresent(Properties.WEST, faces.contains(Direction.WEST));
+            }
+            world.setBlockData(location.clone().add(0, i + c, 0), data, physics);
+        }
+        return true;
+    }
+}