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dfsek
2021-10-17 14:03:11 -07:00
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common/addons/biome-provider-image/README.md Normal file
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# biome-provider-image
Implements and registers the `IMAGE` biome provider, a biome provider which
generates biomes from an image, using the `color` attribute of biomes.
This addon registers the provider type, and all associated config options.

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common/addons/biome-provider-image/build.gradle.kts Normal file
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dependencies {
}

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common/addons/biome-provider-image/src/main/java/com/dfsek/terra/addons/biome/image/ImageBiomeProvider.java Normal file
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package com.dfsek.terra.addons.biome.image;
import net.jafama.FastMath;
import java.awt.Color;
import java.awt.image.BufferedImage;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import com.dfsek.terra.api.world.biome.TerraBiome;
import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
public class ImageBiomeProvider implements BiomeProvider {
private final Map<Color, TerraBiome> colorBiomeMap = new HashMap<>();
private final BufferedImage image;
private final int resolution;
private final Align align;
public ImageBiomeProvider(Set<TerraBiome> registry, BufferedImage image, int resolution, Align align) {
this.image = image;
this.resolution = resolution;
this.align = align;
registry.forEach(biome -> colorBiomeMap.put(new Color(biome.getColor()), biome));
}
private static int distance(Color a, Color b) {
return FastMath.abs(a.getRed() - b.getRed()) + FastMath.abs(a.getGreen() - b.getGreen()) + FastMath.abs(a.getBlue() - b.getBlue());
}
@Override
public TerraBiome getBiome(int x, int z, long seed) {
x /= resolution;
z /= resolution;
Color color = align.getColor(image, x, z);
return colorBiomeMap.get(colorBiomeMap.keySet()
.stream()
.reduce(colorBiomeMap.keySet().stream().findAny().orElseThrow(IllegalStateException::new),
(running, element) -> {
int d1 = distance(color, running);
int d2 = distance(color, element);
return d1 < d2 ? running : element;
}));
}
public enum Align {
CENTER {
@Override
public Color getColor(BufferedImage image, int x, int z) {
return new Color(image.getRGB(FastMath.floorMod(x - image.getWidth() / 2, image.getWidth()),
FastMath.floorMod(z - image.getHeight() / 2, image.getHeight())));
}
},
NONE {
@Override
public Color getColor(BufferedImage image, int x, int z) {
return new Color(image.getRGB(FastMath.floorMod(x, image.getWidth()), FastMath.floorMod(z, image.getHeight())));
}
};
public abstract Color getColor(BufferedImage image, int x, int z);
}
}

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common/addons/biome-provider-image/src/main/java/com/dfsek/terra/addons/biome/image/ImageBiomeProviderAddon.java Normal file
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package com.dfsek.terra.addons.biome.image;
import com.dfsek.tectonic.loading.object.ObjectTemplate;
import java.util.function.Supplier;
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;
import com.dfsek.terra.api.registry.CheckedRegistry;
import com.dfsek.terra.api.util.reflection.TypeKey;
import com.dfsek.terra.api.world.biome.TerraBiome;
import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
@Addon("biome-provider-image")
@Author("Terra")
@Version("1.0.0")
public class ImageBiomeProviderAddon extends TerraAddon {
public static final TypeKey<Supplier<ObjectTemplate<BiomeProvider>>> PROVIDER_REGISTRY_KEY = new TypeKey<>() {
};
@Inject
private Platform platform;
@Override
public void initialize() {
platform.getEventManager()
.getHandler(FunctionalEventHandler.class)
.register(this, ConfigPackPreLoadEvent.class)
.then(event -> {
CheckedRegistry<Supplier<ObjectTemplate<BiomeProvider>>> providerRegistry = event.getPack().getOrCreateRegistry(
PROVIDER_REGISTRY_KEY);
providerRegistry.register("IMAGE", () -> new ImageProviderTemplate(event.getPack().getRegistry(TerraBiome.class)));
})
.failThrough();
}
}

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common/addons/biome-provider-image/src/main/java/com/dfsek/terra/addons/biome/image/ImageProviderTemplate.java Normal file
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package com.dfsek.terra.addons.biome.image;
import com.dfsek.tectonic.annotations.Default;
import com.dfsek.tectonic.annotations.Value;
import com.dfsek.tectonic.loading.object.ObjectTemplate;
import java.awt.image.BufferedImage;
import java.util.HashSet;
import com.dfsek.terra.api.registry.Registry;
import com.dfsek.terra.api.world.biome.TerraBiome;
import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
public class ImageProviderTemplate implements ObjectTemplate<BiomeProvider> {
private final Registry<TerraBiome> biomes;
@Value("resolution")
@Default
private int resolution = 1;
@Value("image.name")
private BufferedImage image;
@Value("image.align")
private ImageBiomeProvider.Align align;
public ImageProviderTemplate(Registry<TerraBiome> set) {
this.biomes = set;
}
@Override
public BiomeProvider get() {
return new ImageBiomeProvider(new HashSet<>(biomes.entries()), image, resolution, align);
}
}