NaturesAura/src/main/java/de/ellpeck/naturesaura/chunk/effect/ExplosionEffect.java

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package de.ellpeck.naturesaura.chunk.effect;
import de.ellpeck.naturesaura.ModConfig;
import de.ellpeck.naturesaura.NaturesAura;
import de.ellpeck.naturesaura.api.aura.chunk.IAuraChunk;
import de.ellpeck.naturesaura.api.aura.chunk.IDrainSpotEffect;
import de.ellpeck.naturesaura.api.aura.type.IAuraType;
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import net.minecraft.block.Blocks;
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import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.ItemStack;
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import net.minecraft.util.ResourceLocation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
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import net.minecraft.world.Explosion;
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import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
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import net.minecraft.world.gen.Heightmap;
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public class ExplosionEffect implements IDrainSpotEffect {
public static final ResourceLocation NAME = new ResourceLocation(NaturesAura.MOD_ID, "explosions");
private float strength;
private int dist;
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private boolean calcValues(World world, BlockPos pos, Integer spot) {
if (spot >= 0)
return false;
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int aura = IAuraChunk.getAuraInArea(world, pos, 85);
if (aura > -5000000)
return false;
int chance = 140 - Math.abs(aura) / 200000;
if (chance > 1 && world.rand.nextInt(chance) != 0)
return false;
this.strength = Math.min(Math.abs(aura) / 5000000F, 5F);
if (this.strength <= 0)
return false;
this.dist = MathHelper.clamp(Math.abs(aura) / 200000, 25, 100);
return true;
}
@Override
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public ActiveType isActiveHere(PlayerEntity player, Chunk chunk, IAuraChunk auraChunk, BlockPos pos, Integer spot) {
if (!this.calcValues(player.world, pos, spot))
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return ActiveType.INACTIVE;
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if (player.getDistanceSq(pos.getX(), pos.getY(), pos.getZ()) > this.dist * this.dist)
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return ActiveType.INACTIVE;
return ActiveType.ACTIVE;
}
@Override
public ItemStack getDisplayIcon() {
return new ItemStack(Blocks.TNT);
}
@Override
public void update(World world, Chunk chunk, IAuraChunk auraChunk, BlockPos pos, Integer spot) {
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if (world.getGameTime() % 40 != 0)
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return;
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if (!this.calcValues(world, pos, spot))
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return;
int x = MathHelper.floor(pos.getX() + world.rand.nextGaussian() * this.dist);
int z = MathHelper.floor(pos.getZ() + world.rand.nextGaussian() * this.dist);
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BlockPos chosenPos = new BlockPos(x, world.getHeight(Heightmap.Type.WORLD_SURFACE, x, z), z);
if (chosenPos.distanceSq(pos) <= this.dist * this.dist && world.isBlockLoaded(chosenPos)) {
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world.createExplosion(null,
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chosenPos.getX() + 0.5, chosenPos.getY() + 0.5, chosenPos.getZ() + 0.5,
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this.strength, false, Explosion.Mode.DESTROY);
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}
}
@Override
public boolean appliesHere(Chunk chunk, IAuraChunk auraChunk, IAuraType type) {
return ModConfig.enabledFeatures.explosionEffect;
}
@Override
public ResourceLocation getName() {
return NAME;
}
}