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Block spawn restrictions

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This commit is contained in:
paulevsGitch 2021-11-28 07:06:09 +03:00
parent 3c606a9149
commit 99f958da37
1 changed files with 38 additions and 0 deletions
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38
src/main/java/ru/bclib/api/spawning/SpawnRuleBulder.java
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@ -3,12 +3,14 @@ package ru.bclib.api.spawning;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import net.fabricmc.fabric.mixin.object.builder.SpawnRestrictionAccessor;
import net.minecraft.core.BlockPos;
import net.minecraft.world.Difficulty;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.Mob;
import net.minecraft.world.entity.SpawnPlacements.SpawnPredicate;
import net.minecraft.world.entity.SpawnPlacements.Type;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.levelgen.Heightmap.Types;
import net.minecraft.world.phys.AABB;
import ru.bclib.interfaces.SpawnRule;
@ -79,6 +81,42 @@ public class SpawnRuleBulder<M extends Mob> {
return this;
}
/**
* Restricts spawning only to vanilla valid blocks.
* @return same {@link SpawnRuleBulder} instance.
*/
public SpawnRuleBulder onlyOnValidBlocks() {
entryInstance = getFromCache("below_max_height", () -> {
return new SpawnRuleEntry(0, (type, world, spawnReason, pos, random) -> {
BlockPos below = pos.below();
return world.getBlockState(below).isValidSpawn(world, below, type);
});
});
rules.add(entryInstance);
return this;
}
/**
* Restricts spawning only to specified blocks.
* @return same {@link SpawnRuleBulder} instance.
*/
public SpawnRuleBulder onlyOnBlocks(Block... blocks) {
final Block[] floorBlocks = blocks;
entryInstance = getFromCache("below_max_height", () -> {
return new SpawnRuleEntry(0, (type, world, spawnReason, pos, random) -> {
Block below = world.getBlockState(pos.below()).getBlock();
for (Block floor: floorBlocks) {
if (floor == below) {
return true;
}
}
return false;
});
});
rules.add(entryInstance);
return this;
}
/**
* Will spawn entity with 1 / chance probability (randomly).
* @param chance probability limit.