NaturesAura/src/main/java/de/ellpeck/naturesaura/entities/EntityMoverMinecart.java

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Java
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2019-01-22 16:10:27 +01:00
package de.ellpeck.naturesaura.entities;
import de.ellpeck.naturesaura.api.aura.chunk.IAuraChunk;
import de.ellpeck.naturesaura.items.ModItems;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.item.EntityMinecart;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTBase;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.nbt.NBTTagLong;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.math.RayTraceResult;
import net.minecraft.world.World;
import net.minecraftforge.common.util.Constants;
import java.util.ArrayList;
import java.util.List;
public class EntityMoverMinecart extends EntityMinecart {
private final List<BlockPos> spotOffsets = new ArrayList<>();
private BlockPos lastPosition = BlockPos.ORIGIN;
public boolean isActive;
public EntityMoverMinecart(World worldIn) {
super(worldIn);
}
public EntityMoverMinecart(World worldIn, double x, double y, double z) {
super(worldIn, x, y, z);
}
@Override
public void moveMinecartOnRail(BlockPos railPos) {
super.moveMinecartOnRail(railPos);
if (!this.isActive)
return;
BlockPos pos = this.getPosition();
if (pos.distanceSq(this.lastPosition) < 8 * 8)
return;
for (BlockPos offset : this.spotOffsets) {
BlockPos spot = this.lastPosition.add(offset);
IAuraChunk chunk = IAuraChunk.getAuraChunk(this.world, spot);
int amount = chunk.getDrainSpot(spot);
if (amount <= 0)
continue;
int toMove = Math.min(amount, 3000);
int drained = chunk.drainAura(spot, toMove, false, false);
if (drained <= 0)
continue;
int toLose = MathHelper.ceil(drained / 250F);
BlockPos newSpot = pos.add(offset);
IAuraChunk.getAuraChunk(this.world, newSpot).storeAura(newSpot, drained - toLose, false, false);
}
this.lastPosition = pos;
}
@Override
public void onActivatorRailPass(int x, int y, int z, boolean receivingPower) {
if (this.isActive != receivingPower) {
this.isActive = receivingPower;
if (!this.isActive) {
this.spotOffsets.clear();
this.lastPosition = BlockPos.ORIGIN;
return;
}
BlockPos pos = this.getPosition();
IAuraChunk.getSpotsInArea(this.world, pos, 25, (spot, amount) -> {
if (amount > 0)
this.spotOffsets.add(spot.subtract(pos));
});
this.lastPosition = pos;
}
}
@Override
protected void writeEntityToNBT(NBTTagCompound compound) {
super.writeEntityToNBT(compound);
compound.setBoolean("active", this.isActive);
compound.setLong("last_pos", this.lastPosition.toLong());
NBTTagList list = new NBTTagList();
for (BlockPos offset : this.spotOffsets)
list.appendTag(new NBTTagLong(offset.toLong()));
compound.setTag("offsets", list);
}
@Override
protected void readEntityFromNBT(NBTTagCompound compound) {
super.readEntityFromNBT(compound);
this.isActive = compound.getBoolean("active");
this.lastPosition = BlockPos.fromLong(compound.getLong("last_pos"));
this.spotOffsets.clear();
NBTTagList list = compound.getTagList("offsets", Constants.NBT.TAG_LONG);
for (NBTBase base : list)
this.spotOffsets.add(BlockPos.fromLong(((NBTTagLong) base).getLong()));
}
@Override
public IBlockState getDisplayTile() {
return Blocks.STONE.getDefaultState();
}
@Override
public Type getType() {
return Type.RIDEABLE;
}
@Override
public ItemStack getCartItem() {
return new ItemStack(ModItems.MOVER_MINECART);
}
@Override
public ItemStack getPickedResult(RayTraceResult target) {
return new ItemStack(ModItems.MOVER_MINECART);
}
@Override
public boolean canBeRidden() {
return false;
}
@Override
protected void applyDrag() {
this.motionX *= 0.99F;
this.motionY *= 0.0D;
this.motionZ *= 0.99F;
}
}