Electroblob77
75 lines
3.2 KiB
Java
75 lines
3.2 KiB
Java
package electroblob.wizardry.spell;
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import electroblob.wizardry.entity.living.EntityDecoy;
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import electroblob.wizardry.item.SpellActions;
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import electroblob.wizardry.util.EntityUtils;
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import electroblob.wizardry.util.SpellModifiers;
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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.player.EntityPlayer;
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import net.minecraft.util.EnumHand;
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import net.minecraft.world.World;
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public class Decoy extends Spell {
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public static final String DECOY_LIFETIME = "decoy_lifetime";
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public static final String MOB_TRICK_CHANCE = "mob_trick_chance";
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public Decoy(){
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super("decoy", SpellActions.SUMMON, false);
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this.soundValues(1, 0.9f, 0.2f);
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addProperties(DECOY_LIFETIME, MOB_TRICK_CHANCE);
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}
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@Override public boolean canBeCastBy(EntityLiving npc, boolean override){ 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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// Determines whether the caster moves left and the decoy moves right, or vice versa.
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// Uses the synchronised entity id to ensure it is consistent on client and server, but not always the same.
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double splitSpeed = caster.getEntityId() % 2 == 0 ? 0.3 : -0.3;
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spawnDecoy(world, caster, modifiers, splitSpeed);
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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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// Determines whether the caster moves left and the decoy moves right, or vice versa.
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double splitSpeed = world.rand.nextBoolean() ? 0.3 : -0.3;
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spawnDecoy(world, caster, modifiers, splitSpeed);
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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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private void spawnDecoy(World world, EntityLivingBase caster, SpellModifiers modifiers, double splitSpeed){
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if(!world.isRemote){
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EntityDecoy decoy = new EntityDecoy(world);
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decoy.setCaster(caster);
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decoy.setLifetime(getProperty(DECOY_LIFETIME).intValue());
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decoy.setLocationAndAngles(caster.posX, caster.posY, caster.posZ, caster.rotationYaw, caster.rotationPitch);
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decoy.addVelocity(-caster.getLookVec().z * splitSpeed, 0, caster.getLookVec().x * splitSpeed);
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// Ignores the show names setting, since this would allow a player to easily detect a decoy
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// Instead, a decoy player has its caster's name tag shown permanently and non-player decoys have nothing
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if(caster instanceof EntityPlayer) decoy.setCustomNameTag(caster.getName());
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world.spawnEntity(decoy);
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// Tricks any mobs that are targeting the caster into targeting the decoy instead.
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for(EntityLiving creature : EntityUtils.getEntitiesWithinRadius(16, caster.posX, caster.posY,
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caster.posZ, world, EntityLiving.class)){
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// More likely to trick mobs the higher the damage multiplier
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// The default base value is 0.5, so modifiers of 2 or more will guarantee mobs are tricked
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if(creature.getAttackTarget() == caster && world.rand.nextFloat()
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< getProperty(MOB_TRICK_CHANCE).floatValue() * modifiers.get(SpellModifiers.POTENCY)){
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creature.setAttackTarget(decoy);
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}
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}
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}
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caster.addVelocity(caster.getLookVec().z * splitSpeed, 0, -caster.getLookVec().x * splitSpeed);
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}
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}
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