Files
Wizardry/src/main/java/electroblob/wizardry/entity/construct/EntityEarthquake.java
T

102 lines
3.7 KiB
Java

package electroblob.wizardry.entity.construct;
import electroblob.wizardry.registry.Spells;
import electroblob.wizardry.spell.Earthquake;
import electroblob.wizardry.util.MagicDamage;
import electroblob.wizardry.util.MagicDamage.DamageType;
import electroblob.wizardry.util.WizardryUtilities;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.item.EntityFallingBlock;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.init.MobEffects;
import net.minecraft.network.play.server.SPacketEntityVelocity;
import net.minecraft.potion.PotionEffect;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.world.World;
import java.util.List;
public class EntityEarthquake extends EntityMagicConstruct {
public EntityEarthquake(World world){
super(world);
this.height = 1.0f;
this.width = 1.0f;
}
public void onUpdate(){
super.onUpdate();
double speed = Spells.earthquake.getProperty(Earthquake.SPREAD_SPEED).doubleValue();
if(!world.isRemote){
// The further the earthquake is going to spread, the finer the angle increments.
for(float angle = 0; angle < 2 * Math.PI; angle += Math.PI / (lifetime * 1.5)){
// Calculates coordinates for the block to be moved. The radius increases with time. The +1.5 is to
// leave blocks in the centre untouched.
int x = this.posX < 0 ? (int)(this.posX + ((this.ticksExisted * speed) + 1.5) * MathHelper.sin(angle) - 1)
: (int)(this.posX + ((this.ticksExisted * speed) + 1.5) * MathHelper.sin(angle));
int y = (int)(this.posY - 0.5);
int z = this.posZ < 0 ? (int)(this.posZ + ((this.ticksExisted * speed) + 1.5) * MathHelper.cos(angle) - 1)
: (int)(this.posZ + ((this.ticksExisted * speed) + 1.5) * MathHelper.cos(angle));
BlockPos pos = new BlockPos(x, y, z);
if(!WizardryUtilities.isBlockUnbreakable(world, pos) && !world.isAirBlock(pos)
&& world.isBlockNormalCube(pos, false)
// Checks that the block above is not solid, since this causes the falling sand to vanish.
&& !world.isBlockNormalCube(pos.up(), false)){
// Falling blocks do the setting block to air themselves.
EntityFallingBlock fallingblock = new EntityFallingBlock(world, x + 0.5, y + 0.5, z + 0.5,
world.getBlockState(new BlockPos(x, y, z)));
fallingblock.motionY = 0.3;
world.spawnEntity(fallingblock);
}
}
}
List<EntityLivingBase> targets = WizardryUtilities
.getEntitiesWithinRadius((this.ticksExisted * speed) + 1.5, this.posX, this.posY, this.posZ, world);
// In this particular instance, the caster is completely unaffected because they will always be in the
// centre.
targets.remove(this.getCaster());
for(EntityLivingBase target : targets){
// Searches in a 1 wide ring.
if(this.getDistance(target) > (this.ticksExisted * speed) + 0.5 && target.posY < this.posY + 1
&& target.posY > this.posY - 1){
// Knockback must be removed in this instance, or the target will fall into the floor.
double motionX = target.motionX;
double motionZ = target.motionZ;
if(this.isValidTarget(target)){
target.attackEntityFrom(
MagicDamage.causeIndirectMagicDamage(this, this.getCaster(), DamageType.BLAST),
10 * this.damageMultiplier);
target.addPotionEffect(new PotionEffect(MobEffects.WEAKNESS, 400, 1));
}
// All targets are thrown, even those immune to the damage, so they don't fall into the ground.
target.motionX = motionX;
target.motionY = 0.8; // Throws target into the air.
target.motionZ = motionZ;
// Player motion is handled on that player's client so needs packets
if(target instanceof EntityPlayerMP){
((EntityPlayerMP)target).connection.sendPacket(new SPacketEntityVelocity(target));
}
}
}
}
}