chunk 1: core gameplay scripts scenes runtime assets

Assets/Scripts/Ground Check/FallCheck.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class FallCheck : MonoBehaviour
+{
+    public float groundDistance = 0.2f;
+    public LayerMask groundLayer;
+    public Transform groundCheckTransform;
+
+    public bool isFallen;
+
+    private void Start()
+    {
+        //groundCheckTransform = GameObject.Find("fallcheck").transform;
+    }
+
+    private void Update()
+    {
+        //isFallen = Physics.CheckSphere(groundCheckTransform.position, groundDistance, groundLayer, QueryTriggerInteraction.Ignore);
+    }
+
+    public bool IsFallen()
+    {
+        return isFallen;
+    }
+}

Assets/Scripts/Ground Check/FallCheck.cs.meta

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Assets/Scripts/Ground Check/GroundCheck.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class GroundCheck : MonoBehaviour
+{
+    public float groundDistance = 1.5f;
+    
+    [Tooltip("Layers to check for ground. Must include environment/ground layers. If left at 0, auto-detects at startup.")]
+    public LayerMask groundLayer;
+    
+    public Transform groundCheckTransform;
+
+    public bool isGrounded;
+
+    // Initialize a safe default for groundCheckTransform and auto-detect ground layer
+    private void Awake()
+    {
+        // AUTO-FIX: If groundLayer is 0 (Nothing), set it to detect everything EXCEPT 
+        // characters. This prevents detecting character body colliders as "ground".
+        if (groundLayer.value == 0)
+        {
+            // Include Default layer and all non-character layers
+            // Exclude layers commonly used for characters: "Player", "Enemy", "Character"
+            // Start with everything, then exclude known character layers
+            groundLayer = ~0; // Everything
+            
+            int playerLayer = LayerMask.NameToLayer("Player");
+            int enemyLayer = LayerMask.NameToLayer("Enemy");
+            int characterLayer = LayerMask.NameToLayer("Character");
+            int ignoreRaycastLayer = LayerMask.NameToLayer("Ignore Raycast");
+            
+            if (playerLayer >= 0) groundLayer &= ~(1 << playerLayer);
+            if (enemyLayer >= 0) groundLayer &= ~(1 << enemyLayer);
+            if (characterLayer >= 0) groundLayer &= ~(1 << characterLayer);
+            if (ignoreRaycastLayer >= 0) groundLayer &= ~(1 << ignoreRaycastLayer);
+            
+            Debug.Log($"[GroundCheck] Auto-configured groundLayer mask to {groundLayer.value} on '{gameObject.name}'");
+        }
+        
+        if (groundCheckTransform == null)
+        {
+            // Prefer a child named "GroundCheck" if present
+            var child = transform.Find("GroundCheck");
+            if (child != null)
+            {
+                groundCheckTransform = child;
+            }
+            else
+            {
+                // Fallback to a scene object named "floor_limit" if it exists, else use this transform
+                var floor = GameObject.Find("floor_limit");
+                groundCheckTransform = floor != null ? floor.transform : transform;
+            }
+        }
+    }
+
+    private void Update()
+    {
+        if (groundCheckTransform == null)
+        {
+            // Still initializing or missing reference; do not attempt a check
+            isGrounded = false;
+            return;
+        }
+
+        // Use the chosen transform's position as the check origin
+        isGrounded = Physics.CheckSphere(groundCheckTransform.position, groundDistance, groundLayer, QueryTriggerInteraction.Ignore);
+    }
+
+    public bool IsGrounded()
+    {
+        return isGrounded;
+    }
+}

Assets/Scripts/Ground Check/GroundCheck.cs.meta

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