From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Sun, 12 May 2019 00:43:12 -0500
Subject: [PATCH] Giants AI settings


diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 2ec48858be8eb2c522c9685b43bd36b3b581cf8b..7cafc89e048e43f339f5289f38674b18d052e70d 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -136,7 +136,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
     public double D;
     public double E;
     public double F;
-    public float G; public final float getStepHeight() { return this.G; } // Tuinity - OBFHELPER
+    public float G; public final float getStepHeight() { return this.G; } public void setStepHeight(float stepHeight) { this.G = stepHeight; } // Tuinity - OBFHELPER // Purpur - OBFHELPER
     public boolean noclip;
     public float I;
     protected final Random random;
diff --git a/src/main/java/net/minecraft/server/EntityGiantZombie.java b/src/main/java/net/minecraft/server/EntityGiantZombie.java
index 9f4f56c47ecd4b35ebf33ca0bf9a040074ababf2..565c938d879940d8e12fe320ea8524d2cf679c1f 100644
--- a/src/main/java/net/minecraft/server/EntityGiantZombie.java
+++ b/src/main/java/net/minecraft/server/EntityGiantZombie.java
@@ -4,9 +4,66 @@ public class EntityGiantZombie extends EntityMonster {
 
     public EntityGiantZombie(EntityTypes<? extends EntityGiantZombie> entitytypes, World world) {
         super(entitytypes, world);
-        this.safeFallDistance = 10.0F; // Purpur
+        // Purpur start
+        this.safeFallDistance = 10.0F;
+        setStepHeight(world.purpurConfig.giantStepHeight);
+        // Purpur end
     }
 
+    // Purpur start
+    @Override
+    protected void initPathfinder() {
+        if (world.purpurConfig.giantHaveAI) {
+            this.goalSelector.a(0, new PathfinderGoalFloat(this));
+            this.goalSelector.a(7, new PathfinderGoalRandomStrollLand(this, 1.0D));
+            this.goalSelector.a(8, new PathfinderGoalLookAtPlayer(this, EntityHuman.class, 16.0F));
+            this.goalSelector.a(8, new PathfinderGoalRandomLookaround(this));
+            this.goalSelector.a(5, new PathfinderGoalMoveTowardsRestriction(this, 1.0D));
+            if (world.purpurConfig.giantHaveHostileAI) {
+                this.goalSelector.a(2, new PathfinderGoalMeleeAttack(this, 1.0D, false));
+                this.targetSelector.a(1, new PathfinderGoalHurtByTarget(this).a(EntityPigZombie.class));
+                this.targetSelector.a(2, new PathfinderGoalNearestAttackableTarget<>(this, EntityHuman.class, true));
+                this.targetSelector.a(3, new PathfinderGoalNearestAttackableTarget<>(this, EntityVillager.class, false));
+                this.targetSelector.a(4, new PathfinderGoalNearestAttackableTarget<>(this, EntityIronGolem.class, true));
+                this.targetSelector.a(5, new PathfinderGoalNearestAttackableTarget<>(this, EntityTurtle.class, true));
+            }
+        }
+    }
+
+    @Override
+    protected void initAttributes() {
+        this.getAttributeInstance(GenericAttributes.MAX_HEALTH).setValue(this.world.purpurConfig.giantMaxHealth);
+        this.getAttributeInstance(GenericAttributes.MOVEMENT_SPEED).setValue(this.world.purpurConfig.giantMovementSpeed);
+        this.getAttributeInstance(GenericAttributes.ATTACK_DAMAGE).setValue(this.world.purpurConfig.giantAttackDamage);
+    }
+
+    @Override
+    public GroupDataEntity prepare(WorldAccess worldaccess, DifficultyDamageScaler difficultydamagescaler, EnumMobSpawn enummobspawn, @javax.annotation.Nullable GroupDataEntity groupdataentity, @javax.annotation.Nullable NBTTagCompound nbttagcompound) {
+        GroupDataEntity groupData = super.prepare(worldaccess, difficultydamagescaler, enummobspawn, groupdataentity, nbttagcompound);
+        if (groupData == null) {
+            setEquipmentBasedOnDifficulty(difficultydamagescaler);
+            setEnchantmentBasedOnDifficulty(difficultydamagescaler);
+        }
+        return groupData;
+    }
+
+    @Override
+    protected void setEquipmentBasedOnDifficulty(DifficultyDamageScaler difficulty) {
+        super.setEquipmentBasedOnDifficulty(difficulty);
+        // TODO make configurable
+        if (random.nextFloat() < (world.getDifficulty() == EnumDifficulty.HARD ? 0.1F : 0.05F)) {
+            setSlot(EnumItemSlot.MAINHAND, new ItemStack(Items.IRON_SWORD));
+        }
+    }
+
+    @Override
+    public float getJumpHeight() {
+        // make giants jump as high as everything else relative to their size
+        // 1.0 makes bottom of feet about as high as their waist when they jump
+        return world.purpurConfig.giantJumpHeight;
+    }
+    // Purpur end
+
     @Override
     protected float b(EntityPose entitypose, EntitySize entitysize) {
         return 10.440001F;
@@ -18,6 +75,6 @@ public class EntityGiantZombie extends EntityMonster {
 
     @Override
     public float a(BlockPosition blockposition, IWorldReader iworldreader) {
-        return iworldreader.y(blockposition) - 0.5F;
+        return super.a(blockposition, iworldreader); // Purpur - fix light requirements for natural spawns
     }
 }
diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
index a47217c020d2c2a3caddafa0549dc827373798dd..07908edcaffb5ee1be8a71f3f0affb91c7e6e51b 100644
--- a/src/main/java/net/minecraft/server/EntityInsentient.java
+++ b/src/main/java/net/minecraft/server/EntityInsentient.java
@@ -950,6 +950,7 @@ public abstract class EntityInsentient extends EntityLiving {
         return f;
     }
 
+    protected void setEquipmentBasedOnDifficulty(DifficultyDamageScaler difficultydamagescaler) { a(difficultydamagescaler); } // Purpur - OBFHELPER
     protected void a(DifficultyDamageScaler difficultydamagescaler) {
         if (this.random.nextFloat() < 0.15F * difficultydamagescaler.d()) {
             int i = this.random.nextInt(2);
@@ -1057,6 +1058,7 @@ public abstract class EntityInsentient extends EntityLiving {
         }
     }
 
+    protected void setEnchantmentBasedOnDifficulty(DifficultyDamageScaler difficultydamagescaler) { b(difficultydamagescaler); } // Purpur - OBFHELPER
     protected void b(DifficultyDamageScaler difficultydamagescaler) {
         float f = difficultydamagescaler.d();
 
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index ebe18e5926bb9e7d2dacdb09c213c0ad6fb847c4..996242d7c62984b67b9443356c509d0c7c85e33a 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -166,6 +166,7 @@ public abstract class EntityLiving extends Entity {
         this.activeItem = ItemStack.b;
         this.by = Optional.empty();
         this.attributeMap = new AttributeMapBase(AttributeDefaults.a(entitytypes));
+        this.initAttributes(); // Purpur
         this.craftAttributes = new CraftAttributeMap(attributeMap); // CraftBukkit
         // CraftBukkit - setHealth(getMaxHealth()) inlined and simplified to skip the instanceof check for EntityPlayer, as getBukkitEntity() is not initialized in constructor
         this.datawatcher.set(EntityLiving.HEALTH, (float) this.getAttributeInstance(GenericAttributes.MAX_HEALTH).getValue());
@@ -181,6 +182,8 @@ public abstract class EntityLiving extends Entity {
         this.bg = this.a(new Dynamic(dynamicopsnbt, dynamicopsnbt.createMap((Map) ImmutableMap.of(dynamicopsnbt.createString("memories"), dynamicopsnbt.emptyMap()))));
     }
 
+    protected void initAttributes() {} // Purpur
+
     public BehaviorController<?> getBehaviorController() {
         return this.bg;
     }
@@ -2179,7 +2182,7 @@ public abstract class EntityLiving extends Entity {
         this.enderTeleportTo(vec3d.x, vec3d.y, vec3d.z);
     }
 
-    protected float dJ() {
+    protected float dJ() { return getJumpHeight(); } public float getJumpHeight() { // Purpur - OBFHELPER
         return 0.42F * this.getBlockJumpFactor();
     }
 
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index f403f9dc6cd148b9f9c901f27ce6a77d4225a53f..3207b8b6166bd28796cb9c199c3ab466f7c0a02e 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -113,6 +113,28 @@ public class PurpurWorldConfig {
         turtleEggsBreakFromMinecarts = getBoolean("blocks.turtle_egg.break-from-minecarts", turtleEggsBreakFromMinecarts);
     }
 
+    public float giantStepHeight = 2.0F;
+    public float giantJumpHeight = 1.0F;
+    public double giantMovementSpeed = 0.5D;
+    public double giantAttackDamage = 50.0D;
+    public boolean giantHaveAI = false;
+    public boolean giantHaveHostileAI = false;
+    public double giantMaxHealth = 100.0D;
+    private void giantSettings() {
+        giantStepHeight = (float) getDouble("mobs.giant.step-height", giantStepHeight);
+        giantJumpHeight = (float) getDouble("mobs.giant.jump-height", giantJumpHeight);
+        giantMovementSpeed = getDouble("mobs.giant.movement-speed", giantMovementSpeed);
+        giantAttackDamage = getDouble("mobs.giant.attack-damage", giantAttackDamage);
+        giantHaveAI = getBoolean("mobs.giant.have-ai", giantHaveAI);
+        giantHaveHostileAI = getBoolean("mobs.giant.have-hostile-ai", giantHaveHostileAI);
+        if (PurpurConfig.version < 8) {
+            double oldValue = getDouble("mobs.giant.max-health", giantMaxHealth);
+            set("mobs.giant.attributes.max-health", oldValue);
+            set("mobs.giant.max-health", null);
+        }
+        giantMaxHealth = getDouble("mobs.giant.attributes.max-health", giantMaxHealth);
+    }
+
     public int villagerBrainTicks = 1;
     public boolean villagerUseBrainTicksOnlyWhenLagging = true;
     private void villagerSettings() {
