Electroblob77
103 lines
3.8 KiB
Java
103 lines
3.8 KiB
Java
package electroblob.wizardry.spell;
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import electroblob.wizardry.registry.WizardryItems;
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import electroblob.wizardry.util.NBTExtras;
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import electroblob.wizardry.util.SpellModifiers;
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import electroblob.wizardry.util.WizardryUtilities;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.EntityLiving;
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import net.minecraft.entity.EntityLivingBase;
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import net.minecraft.entity.item.EntityArmorStand;
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import net.minecraft.entity.player.EntityPlayer;
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import net.minecraft.entity.projectile.EntityShulkerBullet;
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import net.minecraft.item.EnumAction;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.nbt.NBTUtil;
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import net.minecraft.util.EnumFacing;
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import net.minecraft.util.EnumHand;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.world.World;
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import javax.annotation.Nullable;
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import java.util.Comparator;
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import java.util.List;
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public class ShulkerBullet extends Spell {
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public ShulkerBullet(){
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super("shulker_bullet", EnumAction.NONE, false);
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this.soundValues(2, 1, 0.3f);
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addProperties(RANGE);
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}
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@Override public boolean canBeCastByNPCs(){ return true; }
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@Override public boolean canBeCastByDispensers(){ return true; }
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@Override
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public boolean cast(World world, EntityPlayer caster, EnumHand hand, int ticksInUse, SpellModifiers modifiers){
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if(!shoot(world, caster, caster.posX, caster.posY, caster.posZ, EnumFacing.UP, modifiers)) return false;
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this.playSound(world, caster, ticksInUse, -1, modifiers);
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return true;
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}
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@Override
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public boolean cast(World world, EntityLiving caster, EnumHand hand, int ticksInUse, EntityLivingBase target, SpellModifiers modifiers){
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if(!shoot(world, caster, caster.posX, caster.posY, caster.posZ, EnumFacing.UP, modifiers)) return false;
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this.playSound(world, caster, ticksInUse, -1, modifiers);
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return true;
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}
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@Override
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public boolean cast(World world, double x, double y, double z, EnumFacing direction, int duration, int ticksInUse, SpellModifiers modifiers){
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if(!shoot(world, null, x, y, z, direction, modifiers)) return false;
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this.playSound(world, x, y, z, ticksInUse, -1, modifiers);
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return true;
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}
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private boolean shoot(World world, @Nullable EntityLivingBase caster, double x, double y, double z, EnumFacing direction, SpellModifiers modifiers){
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if(!world.isRemote){
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double range = getProperty(RANGE).floatValue() * modifiers.get(WizardryItems.range_upgrade);
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List<EntityLivingBase> possibleTargets = WizardryUtilities.getEntitiesWithinRadius(range, x, y, z, world);
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possibleTargets.remove(caster);
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possibleTargets.removeIf(t -> t instanceof EntityArmorStand);
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if(possibleTargets.isEmpty()) return false;
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// getDistanceSq doesn't require square-rooting so it's faster when only comparing
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possibleTargets.sort(Comparator.comparingDouble(t -> t.getDistanceSq(x, y, z)));
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Entity target = possibleTargets.get(0);
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// Y axis because the player is always upright
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if(caster != null){
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world.spawnEntity(new EntityShulkerBullet(world, caster, target, direction.getAxis()));
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}else{
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// Can't use the normal constructor because doesn't accept null for the owner
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EntityShulkerBullet bullet = new EntityShulkerBullet(world);
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bullet.setLocationAndAngles(x, y, z, bullet.rotationYaw, bullet.rotationPitch);
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// Where there's a will there's a way...
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NBTTagCompound nbt = new NBTTagCompound();
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bullet.writeToNBT(nbt);
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nbt.setInteger("Dir", direction.getIndex());
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BlockPos pos = new BlockPos(target);
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NBTTagCompound targetTag = NBTUtil.createUUIDTag(target.getUniqueID());
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targetTag.setInteger("X", pos.getX());
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targetTag.setInteger("Y", pos.getY());
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targetTag.setInteger("Z", pos.getZ());
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NBTExtras.storeTagSafely(nbt, "Target", targetTag);
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bullet.readFromNBT(nbt); // LOL I just modified private fields without reflection
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world.spawnEntity(bullet);
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}
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}
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return true;
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}
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}
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