Adds secret horses and their config.

- Adds secret horses, which can be acquired... secretly.
Nevakanezah · Feb 16, 2020 · b2012f8 · b2012f8
1 parent aa9df12
commit b2012f8
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Showing 3 changed files with 179 additions and 27 deletions.
diff --git a/src/com/nevakanezah/horseenhancer/CommandHandler.java b/src/com/nevakanezah/horseenhancer/CommandHandler.java
@@ -18,6 +18,7 @@
 import org.bukkit.entity.Player;
 
 import com.nevakanezah.horseenhancer.util.ArgumentParser;
+import com.nevakanezah.horseenhancer.util.SpecialHorses;
 import com.nevakanezah.horseenhancer.util.StorableHashMap;
 
 import net.md_5.bungee.api.ChatColor;
@@ -426,13 +427,23 @@ private boolean horseSummon(CommandSender sender, String[] args) {
 				type = EntityType.LLAMA;
 				break;
 			case "skeleton":
+			case "skeleton_horse":
 				type = EntityType.SKELETON_HORSE;
 				gender = "UNDEAD";
 				break;
 			case "zombie":
+			case "zombie_horse":
 				type = EntityType.ZOMBIE_HORSE;
 				gender = "UNDEAD";
 				break;
+			case "maximule":
+				HorseData maximuleData = new HorseData();
+				SpecialHorses.spawnMaximule(((Entity)sender).getLocation(), maximuleData);
+				return true;
+			case "invincible":
+				HorseData invincibleData = new HorseData();
+				SpecialHorses.spawnInvincible(((Entity)sender).getLocation(), invincibleData);
+				return true;
 			case "help":
 				showSummonUsage(sender);
 				return true;
@@ -648,7 +659,7 @@ private boolean horseUpdate(CommandSender sender, String[] args) {
 		ArrayList<UUID> matches = new ArrayList<>();
 		for(HorseData horseData : horseList.values()) {
 			AbstractHorse candidate = (AbstractHorse)Bukkit.getEntity(horseData.getUniqueID());
-			String name = candidate.getCustomName();
+			String name = candidate.getCustomName() == null ? "" : candidate.getCustomName();
 
 			if(horseData.getHorseID().equalsIgnoreCase(searchParam) 
 					|| (name != null && name.equalsIgnoreCase(searchParam)) 

diff --git a/src/com/nevakanezah/horseenhancer/HorseSpawnEventHandler.java b/src/com/nevakanezah/horseenhancer/HorseSpawnEventHandler.java
@@ -7,8 +7,10 @@
 
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.attribute.Attribute;
 import org.bukkit.entity.AbstractHorse;
+import org.bukkit.entity.Donkey;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Horse;
 import org.bukkit.entity.Player;
@@ -18,8 +20,10 @@
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.CreatureSpawnEvent;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
+import org.bukkit.potion.PotionEffectType;
 import org.bukkit.event.entity.EntityBreedEvent;
 
+import com.nevakanezah.horseenhancer.util.SpecialHorses;
 import com.nevakanezah.horseenhancer.util.StorableHashMap;
 
 import net.md_5.bungee.api.ChatColor;
@@ -30,7 +34,7 @@ public class HorseSpawnEventHandler implements Listener {
 
 	static final String MOVE_SPEED = "GENERIC_MOVEMENT_SPEED";
 	static final String MAX_HEALTH = "GENERIC_MAX_HEALTH";
-	static final String JUMP_STRENGTH = "JUMP_STRENGTH";
+	static final String JUMP_STRENGTH = "HORSE_JUMP_STRENGTH";
 
 	public HorseSpawnEventHandler(HorseEnhancerPlugin plugin) {
 		this.plugin = plugin;
@@ -101,7 +105,8 @@ public void onHorseSpawn(CreatureSpawnEvent event) {
 	 * @param childData The data for the child that we will operate on
 	 * @return The modified childData
 	 */
-	private HorseData handleBreedingEvent(CreatureSpawnEvent event, HorseData childData) {		
+	private HorseData handleBreedingEvent(CreatureSpawnEvent event, HorseData childData) {
+		final boolean secretHorsesEnabled = plugin.getConfig().getBoolean("enable-secret-horses");
 		// Declare the horses & data containers involved
 		AbstractHorse child = (AbstractHorse) event.getEntity();
 		AbstractHorse father = (AbstractHorse) Bukkit.getEntity(childData.getFatherID());
@@ -141,29 +146,22 @@ private HorseData handleBreedingEvent(CreatureSpawnEvent event, HorseData childD
 			Location loc = mother.getLocation();
 			child.remove();
 
-			AbstractHorse newChild = (AbstractHorse)loc.getWorld().spawnEntity(loc, EntityType.ZOMBIE_HORSE);
-			childData.setUniqueID(newChild.getUniqueId());
-			childData.setType(EntityType.ZOMBIE_HORSE);
+			AbstractHorse newChild = SpecialHorses.spawnInbred(loc, childData);
 
-			newChild.getAttribute(Attribute.GENERIC_MOVEMENT_SPEED).setBaseValue(0.1);
-			newChild.getAttribute(Attribute.GENERIC_MAX_HEALTH).setBaseValue(10);
-			newChild.setTamed(true);
-			newChild.setAge(-9999999);
-			newChild.setJumpStrength(0.3);
-			newChild.setAgeLock(true);
-			newChild.setBreed(false);
-
-			childData.setGender("INBRED");
 			registerHorse(newChild.getUniqueId(), childData);
 			return null;
 			}
 
+		if(secretHorsesEnabled && handleSecretHorses(child, father, mother, childData, fatherData, motherData))
+			return childData;
+
 		//Apply modified stats to the child
 		child.getAttribute(Attribute.GENERIC_MOVEMENT_SPEED).setBaseValue(
 				Math.max( 0.1125, Math.min( 0.3375, getAttributeFromParents(father, mother, MOVE_SPEED ))));
 		child.getAttribute(Attribute.GENERIC_MAX_HEALTH).setBaseValue(
 				Math.max( 15, Math.min( 30, getAttributeFromParents(father, mother, MAX_HEALTH ))));
-		child.setJumpStrength( Math.max( 0.4, Math.min( 1.0, getAttributeFromParents(father, mother, JUMP_STRENGTH ) )));
+		child.getAttribute(Attribute.HORSE_JUMP_STRENGTH).setBaseValue( 
+				Math.max( 0.4, Math.min( 1.0, getAttributeFromParents(father, mother, JUMP_STRENGTH ) )));
 
 		// Coat colouration handling
 		if(child.getType().equals(EntityType.HORSE)) {
@@ -173,7 +171,7 @@ private HorseData handleBreedingEvent(CreatureSpawnEvent event, HorseData childD
 
 		return childData;
 	}
-	
+
 	/**
 	 * Determine the colour of the child based loosely on the colours of the parents,
 	 * instead of randomly.
@@ -220,16 +218,9 @@ protected double getAttributeFromParents(AbstractHorse father, AbstractHorse mot
 		double bias = Math.random(); 
 		double result = 0;
 
-		if(attr.contentEquals(MOVE_SPEED)
-			|| attr.contentEquals(MAX_HEALTH)) {
-			result = (father.getAttribute(Attribute.valueOf(attr)).getBaseValue() * bias)
-			+ (mother.getAttribute(Attribute.valueOf(attr)).getBaseValue() * (1-bias));
-		}
-		else if(attr.contentEquals(JUMP_STRENGTH)) {
-			result = (father.getJumpStrength() * bias)
-			+ (mother.getJumpStrength() * (1-bias));
-		}
-
+		result = (father.getAttribute(Attribute.valueOf(attr)).getBaseValue() * bias)
+		+ (mother.getAttribute(Attribute.valueOf(attr)).getBaseValue() * (1-bias));
+
 		// Convert skew to its value as a % of result, then apply that value to the result
 		skew *= result;
 		result += skew;
@@ -252,4 +243,69 @@ private String registerHorse(UUID uuid, HorseData horseData) {
 		return output;
 	}
 
+	/**
+	 * Evaluates whether to spawn one of the easter egg horse varieties, and handles
+	 * spawning and attribute assignment. Secret horses are acquired through breeding
+	 * parents with particular circumstances, and only one secret horse may exist 
+	 * at a time on the server.
+	 * @param child The new horse entity to update or replace
+	 * @param father The horse's father
+	 * @param mother The horse's mother
+	 * @param childData The horse's data container to be updated
+	 * @param fatherData The father's data container, for evaluating conditions
+	 * @param motherData The mother's data container, for evaluating conditions
+	 * @return true if a secret horse was born, false otherwise.
+	 */
+	private boolean handleSecretHorses(AbstractHorse child, AbstractHorse father, AbstractHorse mother,
+			HorseData childData, HorseData fatherData, HorseData motherData) {	
+		Location loc = child.getLocation();
+		double fSpeed = father.getAttribute(Attribute.valueOf(MOVE_SPEED)).getBaseValue();
+		double fHealth = father.getAttribute(Attribute.valueOf(MAX_HEALTH)).getBaseValue();
+		double fJump = father.getAttribute(Attribute.valueOf(JUMP_STRENGTH)).getBaseValue();
+		double mSpeed = mother.getAttribute(Attribute.valueOf(MOVE_SPEED)).getBaseValue();
+		double mHealth = mother.getAttribute(Attribute.valueOf(MAX_HEALTH)).getBaseValue();
+		double mJump = mother.getAttribute(Attribute.valueOf(JUMP_STRENGTH)).getBaseValue();
+
+		// A better-than-vanilla horse born to an unlikely couple
+		boolean maximule = false;
+
+		// Why is it called invincible if I can still see it? Well not anymore!
+		boolean invincible = false;
+
+		for(HorseData horseData : horseList.values()) {
+			if(horseData.getGenderName().equalsIgnoreCase("UNIQUE"))
+				return false;
+		}
+
+		if(((father instanceof Horse && mother instanceof Donkey)
+				&& (0.1125 <= fSpeed && fSpeed <= 0.135)
+				&& (0.4 <= fJump && fJump <= 0.46)
+				&& (15 <= fHealth && fHealth < 17)
+				&& (28.5 <= mHealth && mHealth <= 30))
+		  || ((father instanceof Donkey && mother instanceof Horse)
+				&& (0.1125 <= mSpeed && mSpeed <= 0.135)
+				&& (0.4 <= mJump && mJump <= 0.46)
+				&& (15 <= mHealth && mHealth < 17)
+				&& (28.5 <= fHealth && fHealth <= 30))) {
+			maximule = true;
+		}
+		else if(father.hasPotionEffect(PotionEffectType.INVISIBILITY) 
+				&& ((Horse)father).getInventory().getArmor().getType().equals(Material.GOLD_BARDING)
+				&& mother.hasPotionEffect(PotionEffectType.INVISIBILITY)
+				&& ((Horse)mother).getInventory().getArmor().getType().equals(Material.GOLD_BARDING)) {
+			invincible = true;
+		}
+
+		if(maximule || invincible)
+			child.remove();
+
+		if(maximule)
+			SpecialHorses.spawnMaximule(loc, childData);
+
+		if(invincible)
+			SpecialHorses.spawnInvincible(loc, childData);
+
+		return true;
+	}
+
 }
diff --git a/src/com/nevakanezah/horseenhancer/util/SpecialHorses.java b/src/com/nevakanezah/horseenhancer/util/SpecialHorses.java
@@ -0,0 +1,85 @@
+package com.nevakanezah.horseenhancer.util;
+
+import org.bukkit.EntityEffect;
+import org.bukkit.Location;
+import org.bukkit.attribute.Attribute;
+import org.bukkit.entity.AbstractHorse;
+import org.bukkit.entity.EntityType;
+import org.bukkit.potion.PotionEffect;
+import org.bukkit.potion.PotionEffectType;
+
+import com.nevakanezah.horseenhancer.HorseData;
+
+import net.md_5.bungee.api.ChatColor;
+
+public class SpecialHorses {
+
+	private SpecialHorses() {
+		super();
+	}
+
+	/**
+	 * Spawn a horse whose parents were maybe a little too close.
+	 * @param loc Location to spawn the new entity
+	 * @param horseData Data container to be attached to the new entity
+	 * @return the newly-spawned horse
+	 */
+	public static AbstractHorse spawnInbred(Location loc, HorseData horseData) {
+		AbstractHorse horse = (AbstractHorse)loc.getWorld().spawnEntity(loc, EntityType.ZOMBIE_HORSE);
+		horseData.setUniqueID(horse.getUniqueId());
+		horseData.setType(EntityType.ZOMBIE_HORSE);
+
+		horse.getAttribute(Attribute.GENERIC_MOVEMENT_SPEED).setBaseValue(0.1);
+		horse.getAttribute(Attribute.GENERIC_MAX_HEALTH).setBaseValue(10);
+		horse.getAttribute(Attribute.HORSE_JUMP_STRENGTH).setBaseValue(0.3);
+		horse.setTamed(true);
+		horse.setAge(-9999999);
+		horse.setAgeLock(true);
+		horse.setBreed(false);
+
+		horseData.setGender("INBRED");
+
+		return horse;
+	}
+
+	public static AbstractHorse spawnMaximule(Location loc, HorseData horseData) {
+		AbstractHorse horse = (AbstractHorse)loc.getWorld().spawnEntity(loc, EntityType.MULE);
+		horseData.setUniqueID(horse.getUniqueId());
+		horseData.setType(EntityType.MULE);
+
+		horse.getAttribute(Attribute.GENERIC_MOVEMENT_SPEED).setBaseValue(0.35);
+		horse.getAttribute(Attribute.GENERIC_MAX_HEALTH).setBaseValue(35);
+		horse.getAttribute(Attribute.HORSE_JUMP_STRENGTH).setBaseValue(1.18);
+		horse.setCustomName(ChatColor.DARK_RED + "MA"+ ChatColor.GOLD + "XI" + ChatColor.DARK_BLUE + "MU" + ChatColor.DARK_GREEN + "LE");
+		horse.setBreed(false);
+		horse.setAge(0);
+		horse.setAgeLock(true);
+		horse.playEffect(EntityEffect.FIREWORK_EXPLODE);
+
+		horseData.setGender("UNIQUE");
+
+		return horse;
+	}
+
+	public static AbstractHorse spawnInvincible(Location loc, HorseData horseData) {
+		AbstractHorse horse = (AbstractHorse)loc.getWorld().spawnEntity(loc, EntityType.HORSE);
+		horseData.setUniqueID(horse.getUniqueId());
+		horseData.setType(EntityType.HORSE);
+
+		horse.getAttribute(Attribute.GENERIC_MOVEMENT_SPEED).setBaseValue(0.38);
+		horse.getAttribute(Attribute.GENERIC_MAX_HEALTH).setBaseValue(15);
+		horse.getAttribute(Attribute.HORSE_JUMP_STRENGTH).setBaseValue(0.565);
+		horse.setCustomName(ChatColor.DARK_BLUE + "Invincible");
+		horse.setAge(0);
+		horse.setAgeLock(true);
+		horse.setTamed(true);
+		horse.setBreed(false);
+		horse.playEffect(EntityEffect.FIREWORK_EXPLODE);
+		PotionEffect invis = new PotionEffect(PotionEffectType.INVISIBILITY, 2147483000, 1, false, false);
+		horse.addPotionEffect(invis, true);
+		horseData.setGender("UNIQUE");
+
+		return horse;
+	}
+
+}