From 953d2c13575e7a11877406a11dc02bb39e3e1c0a Mon Sep 17 00:00:00 2001
From: Kam <KamronGaming@gmail.com>
Date: Mon, 4 Mar 2024 02:34:59 -0500
Subject: [PATCH] Push AI Twist Type

---
 .../noppes/npcs/ai/EntityAITwistTarget.java   | 139 ++++++++++++++++++
 .../noppes/npcs/constants/EnumNavType.java    |   3 +-
 2 files changed, 141 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/noppes/npcs/ai/EntityAITwistTarget.java

diff --git a/src/main/java/noppes/npcs/ai/EntityAITwistTarget.java b/src/main/java/noppes/npcs/ai/EntityAITwistTarget.java
new file mode 100644
index 000000000..9463bc9a4
--- /dev/null
+++ b/src/main/java/noppes/npcs/ai/EntityAITwistTarget.java
@@ -0,0 +1,139 @@
+package noppes.npcs.ai;
+
+import net.minecraft.entity.EntityCreature;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.ai.EntityAIBase;
+import net.minecraft.pathfinding.PathEntity;
+import net.minecraft.pathfinding.PathPoint;
+import net.minecraft.util.MathHelper;
+import net.minecraft.util.Vec3;
+import noppes.npcs.constants.AiMutex;
+
+public class EntityAITwistTarget extends EntityAIBase
+{
+    private EntityCreature theEntity;
+    private EntityLivingBase targetEntity;
+    private double movePosX;
+    private double movePosY;
+    private double movePosZ;
+    private int entityPosX;
+    private int entityPosY;
+    private int entityPosZ;
+    private double speed;
+    private float tacticalRange;
+    private boolean strafeLeft; // Flag to alternate between left and right strafes
+    private int strafeTimer; // Timer to control the strafing frequency
+
+    public EntityAITwistTarget(EntityCreature par1EntityCreature, double par2, float par4)
+    {
+        this.theEntity = par1EntityCreature;
+        this.speed = par2;
+        this.tacticalRange = par4;
+        this.strafeLeft = true; // Start with strafing to the left
+        this.strafeTimer = 0;
+        this.setMutexBits(AiMutex.PASSIVE + AiMutex.LOOK);
+    }
+
+    /**
+     * Returns whether the EntityAIBase should begin execution.
+     */
+    public boolean shouldExecute()
+    {
+        this.targetEntity = this.theEntity.getAttackTarget();
+
+        if (this.targetEntity == null)
+        {
+            return false;
+        }
+        else if (this.targetEntity.getDistanceSqToEntity(this.theEntity) < (double)(this.tacticalRange * this.tacticalRange))
+        {
+            return false;
+        }
+        else
+        {
+            PathEntity pathentity = this.theEntity.getNavigator().getPathToEntityLiving(targetEntity);
+
+            if (pathentity != null)
+            {
+                if (pathentity.getCurrentPathLength() >= this.tacticalRange)
+                {
+                    PathPoint pathpoint = pathentity.getPathPointFromIndex(MathHelper.floor_double(this.tacticalRange / 2.0D));
+                    this.entityPosX = pathpoint.xCoord;
+                    this.entityPosY = pathpoint.yCoord;
+                    this.entityPosZ = pathpoint.zCoord;
+
+                    // Enhanced movement logic with delay
+                    Vec3 enhancedMovement = calculateEnhancedMovement(this.theEntity, this.targetEntity, this.tacticalRange);
+
+                    if (this.targetEntity.getDistanceSq(enhancedMovement.xCoord, enhancedMovement.yCoord, enhancedMovement.zCoord) < this.targetEntity.getDistanceSq(entityPosX, entityPosY, entityPosZ)) {
+                        this.movePosX = enhancedMovement.xCoord;
+                        this.movePosY = enhancedMovement.yCoord;
+                        this.movePosZ = enhancedMovement.zCoord;
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Returns whether an in-progress EntityAIBase should continue executing
+     */
+    public boolean continueExecuting()
+    {
+        return !this.theEntity.getNavigator().noPath() && this.targetEntity.isEntityAlive() && this.targetEntity.getDistanceSqToEntity(this.theEntity) > (double)(this.tacticalRange * this.tacticalRange);
+    }
+
+    /**
+     * Execute a one shot task or start executing a continuous task
+     */
+    public void startExecuting()
+    {
+        this.theEntity.getNavigator().tryMoveToXYZ(this.movePosX, this.movePosY, this.movePosZ, this.speed);
+    }
+
+    /**
+     * Updates the task
+     */
+    public void updateTask()
+    {
+        this.theEntity.getLookHelper().setLookPositionWithEntity(targetEntity, 30.0F, 30.0F);
+    }
+
+    /**
+     * Calculate enhanced movement logic with delay
+     */
+    private Vec3 calculateEnhancedMovement(EntityCreature entity, EntityLivingBase target, float tacticalRange)
+    {
+        // Increment the strafe timer
+        this.strafeTimer++;
+
+        // Check if it's time to change strafe direction
+        if (this.strafeTimer >= 20) // Adjust the number to control the delay between strafes
+        {
+            // Reset the timer and toggle strafe direction
+            this.strafeTimer = 0;
+            this.strafeLeft = !this.strafeLeft;
+        }
+
+        double deltaX = target.posX - entity.posX;
+        double deltaZ = target.posZ - entity.posZ;
+
+        // Calculate the perpendicular direction to the target
+        double perpendicularX = -deltaZ;
+        double perpendicularZ = deltaX;
+
+        // Determine whether to strafe left or right
+        if (strafeLeft)
+        {
+            // Strafe to the left
+            return Vec3.createVectorHelper(entity.posX + perpendicularX, entity.posY, entity.posZ + perpendicularZ);
+        }
+        else
+        {
+            // Strafe to the right
+            return Vec3.createVectorHelper(entity.posX - perpendicularX, entity.posY, entity.posZ - perpendicularZ);
+        }
+    }
+}
diff --git a/src/main/java/noppes/npcs/constants/EnumNavType.java b/src/main/java/noppes/npcs/constants/EnumNavType.java
index b9ccde679..35faef755 100644
--- a/src/main/java/noppes/npcs/constants/EnumNavType.java
+++ b/src/main/java/noppes/npcs/constants/EnumNavType.java
@@ -9,7 +9,8 @@ public enum EnumNavType {
 	HitNRun("aitactics.hitandrun"),
 	Ambush("aitactics.ambush"),
 	Stalk("aitactics.stalk"),
-	None("gui.none");
+	None("gui.none"),
+	Twist("aitactics.twist");
 	
 	String name;
 	EnumNavType(String name){