Electroblob77
70 lines
2.7 KiB
Java
70 lines
2.7 KiB
Java
package electroblob.wizardry.potion;
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import electroblob.wizardry.Wizardry;
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import electroblob.wizardry.constants.Constants;
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import electroblob.wizardry.entity.construct.EntityDecay;
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import electroblob.wizardry.registry.WizardryPotions;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.EntityLivingBase;
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import net.minecraft.entity.SharedMonsterAttributes;
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import net.minecraft.util.DamageSource;
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import net.minecraft.util.ResourceLocation;
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import net.minecraftforge.event.entity.living.LivingEvent.LivingUpdateEvent;
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import net.minecraftforge.fml.common.Mod;
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import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
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import java.util.List;
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@Mod.EventBusSubscriber
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public class PotionDecay extends PotionMagicEffect {
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public PotionDecay(boolean isBadEffect, int liquidColour){
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super(isBadEffect, liquidColour, new ResourceLocation(Wizardry.MODID, "textures/gui/potion_icons/decay.png"));
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// This needs to be here because registerPotionAttributeModifier doesn't like it if the potion has no name yet.
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this.setPotionName("potion." + Wizardry.MODID + ":decay");
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this.registerPotionAttributeModifier(SharedMonsterAttributes.MOVEMENT_SPEED,
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"85602e0b-4801-4a87-94f3-bf617c97014e", -Constants.DECAY_SLOWNESS_PER_LEVEL, 2);
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}
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@Override
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public boolean isReady(int duration, int amplifier){
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// Copied from the vanilla wither effect. It does the timing stuff. 25 is the number of ticks between hits at
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// amplifier 0
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int k = 25 >> amplifier;
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return k > 0 ? duration % k == 0 : true;
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}
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@Override
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public void performEffect(EntityLivingBase host, int strength){
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host.attackEntityFrom(DamageSource.WITHER, 1);
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}
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@SubscribeEvent
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public static void onLivingUpdateEvent(LivingUpdateEvent event){
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// This can't be in performEffect because that method is called at a certain frequency which depends on the
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// amplifier of the potion effect, and is too slow for this purpose.
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EntityLivingBase target = event.getEntityLiving();
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if(!target.world.isRemote && target.isPotionActive(WizardryPotions.decay) && target.onGround
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&& target.ticksExisted % Constants.DECAY_SPREAD_INTERVAL == 0){
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List<Entity> entities = target.world.getEntitiesWithinAABBExcludingEntity(target,
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target.getEntityBoundingBox());
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for(Entity entity : entities){
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if(entity instanceof EntityDecay) return; // Don't spawn another decay if there's already one there
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}
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// The victim spreading the decay is the 'caster' here, so that it can actually wear off, otherwise it
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// just gets infected with its own decay and the effect lasts forever.
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EntityDecay decay = new EntityDecay(target.world);
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decay.setCaster(target);
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decay.setPosition(target.posX, target.posY, target.posZ);
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target.world.spawnEntity(decay);
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}
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}
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}
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