From c35533e31efe30121a7c61a725fdaaba47714296 Mon Sep 17 00:00:00 2001
From: chai <215380520@qq.com>
Date: Tue, 9 May 2023 10:17:45 +0800
Subject: *misc

---
 marching/Assets/Scripts/Physics/PhysicsManager.cs | 101 +++++++++++++++++++---
 1 file changed, 87 insertions(+), 14 deletions(-)

(limited to 'marching/Assets/Scripts/Physics/PhysicsManager.cs')

diff --git a/marching/Assets/Scripts/Physics/PhysicsManager.cs b/marching/Assets/Scripts/Physics/PhysicsManager.cs
index 0577aa9..6daf610 100644
--- a/marching/Assets/Scripts/Physics/PhysicsManager.cs
+++ b/marching/Assets/Scripts/Physics/PhysicsManager.cs
@@ -4,31 +4,104 @@ using System.Collections.Generic;
 using Unity.VisualScripting;
 using UnityEngine;
 
-public static class PhysicsManager
+public enum ColliderType
 {
+    Collider, 
+    Hurtbox,
+    Hitbox,
+}
 
-    public static List<IQuadTreeObject> quadTreeObjects = new List<IQuadTreeObject>();
+public class PhysicsManager : Singleton<PhysicsManager>
+{
+    public Vector4 quadtreeCollisionRange { set { m_QuadtreeCollisionRange = value; } }
+    private Vector4 m_QuadtreeCollisionRange;
+    private Quadtree m_QuadtreeCollision;
+    private List<IQuadTreeObject> m_QuadtreeObjColliders = new List<IQuadTreeObject>();
 
-    private static List<IQuadTreeObject> m_SharedCastResult = new List<IQuadTreeObject>();
+    public Vector4 quadtreeHurtboxRange { set { m_QuadtreeHurtboxRange = value; } }
+    private Vector4 m_QuadtreeHurtboxRange;
+    private Quadtree m_QuadtreeHurtboxes;
+    private List<IQuadTreeObject> m_QuadtreeObjHurtboxes = new List<IQuadTreeObject>();
 
-    public static bool CircleVsCircle(Vector2 pos1, float r1, Vector2 pos2, float r2)
+    public PhysicsManager() 
+    {
+        m_QuadtreeCollision = new Quadtree(0, new Vector4(0, 0, 30, 30));
+        m_QuadtreeHurtboxes=  new Quadtree(0, new Vector4(0,0, 30, 30));        
+    } 
+
+    public void AddCollider(IQuadTreeObject collider)
+    {
+        m_QuadtreeObjColliders.Add(collider);
+    }
+
+    public void RemoveCollider(IQuadTreeObject collider)
+    {
+        m_QuadtreeObjColliders.Remove(collider);
+    }
+
+    public void AddHurtboxes(IQuadTreeObject hurtbox)
+    {
+        m_QuadtreeObjHurtboxes.Add(hurtbox);
+    }
+
+    public void RemoveHurtbox(IQuadTreeObject hurtbox)
     {
-        return (pos1 - pos2).magnitude < r1+r2;
+        m_QuadtreeObjHurtboxes.Remove(hurtbox);
     }
 
-    /// <summary>
-    /// box, pos+size
-    /// </summary>
-    /// <param name="box"></param>
-    /// <returns></returns>
-    public static List<IQuadTreeObject> BoxCast(Vector4 box)
+    public void UpdateQuadtreeCollision()
     {
-        m_SharedCastResult.Clear();
+        m_QuadtreeCollision.Clear(false);
+        m_QuadtreeCollision.Rebound(m_QuadtreeCollisionRange);
+        for (int i = 0; i < m_QuadtreeObjColliders.Count; i++) 
+        { 
+            IQuadTreeObject obj = m_QuadtreeObjColliders[i];
+            m_QuadtreeCollision.Insert(obj);
+        }
+    }
 
-        if (TestQuadtree.quadtree.Retrieve(ref m_SharedCastResult, box))
+    public void UpdateQuadtreeHurtbox()
+    {
+        m_QuadtreeHurtboxes.Clear(false);
+        m_QuadtreeHurtboxes.Rebound(m_QuadtreeHurtboxRange);
+        for (int i = 0; i < m_QuadtreeObjHurtboxes.Count; i++)
         {
+            IQuadTreeObject obj = m_QuadtreeObjHurtboxes[i];
+            m_QuadtreeHurtboxes.Insert(obj);
         }
-        return m_SharedCastResult;
+    }
+
+    public void Update()
+    {
+        UpdateQuadtreeCollision();
+        UpdateQuadtreeHurtbox();
+    }
+
+    public void Debug()
+    {
+        Color c = Gizmos.color;
+        Gizmos.color = Color.red;
+        m_QuadtreeCollision?.Iterate((t) => {
+            Vector3 pos = new Vector3(t.x, t.y, 0);
+            Vector3 size = new Vector3(t.w, t.h, 1);
+            Gizmos.DrawWireCube(pos, size);
+        });
+        Gizmos.color = c;
+    }
+
+    public bool RetriveColliders(ref List<IQuadTreeObject> returnObjs, IQuadTreeObject obj)
+    {
+        return m_QuadtreeCollision.Retrieve(ref returnObjs, obj);       
+    }
+
+    public bool RetriveColliders(ref List<IQuadTreeObject> returnObjs, Vector4 bound)
+    {
+        return m_QuadtreeCollision.Retrieve(ref returnObjs, bound);
+    }
+
+    public static bool CircleVsCircle(Vector2 pos1, float r1, Vector2 pos2, float r2)
+    {
+        return (pos1 - pos2).magnitude <= r1+r2;
     }
 
 }
\ No newline at end of file
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