chore: partially add character and prop.

logic/Preparation/Constant.cs

@@ -0,0 +1,43 @@
+using Preparation.GameObj;
+using Preparation.Utility;
+
+namespace Preparation
+{
+    public static class Constant
+    {
+        /// <summary>
+        /// 基础常数与常方法
+        /// </summary>
+        public const int numOfPosGridPerCell = 1000;            // 每格的【坐标单位】数
+        public const int numOfStepPerSecond = 20;               // 每秒行走的步数
+
+        public static XYPosition GetCellCenterPos(int x, int y)   // 求格子的中心坐标
+        {
+            XYPosition ret = new XYPosition(x * numOfPosGridPerCell + numOfPosGridPerCell / 2,
+                y * numOfPosGridPerCell + numOfPosGridPerCell / 2);
+            return ret;
+        }
+        public static int PosGridToCellX(XYPosition pos)       // 求坐标所在的格子的x坐标
+        {
+            return pos.x / numOfPosGridPerCell;
+        }
+        public static int PosGridToCellY(XYPosition pos)      // 求坐标所在的格子的y坐标
+        {
+            return pos.y / numOfPosGridPerCell;
+        }
+        /// <summary>
+        /// 玩家相关
+        /// </summary>
+        public const int basicAp = 1000;	// 初始攻击力
+        public const int basicHp = 6000;	// 初始血量
+        public const int basicCD = 1000;    // 初始冷却
+        public const int basicBulletNum = 12;   // 初始子弹量（如果是射手）
+        public const int MinAP = 0; // 最小攻击力
+        public const int MaxAP = int.MaxValue;  //最大攻击力
+        /// <summary>
+        /// 道具相关
+        /// </summary>
+        public const int MinPropTypeNum = 1;
+        public const int MaxPropTypeNum = 10;
+    }
+}

logic/Preparation/GameObj/MoveableObj.cs → logic/Preparation/Deprecated/MoveableObj.cs

@@ -1,4 +1,8 @@
-using Preparation.Interface;
+
+//已弃用：MoveableObj类，包含属性在抽象/具体类实现
+
+/*
+using Preparation.Interface;
 using Preparation.Utility;
 
 namespace Preparation.GameObj
@@ -47,3 +51,4 @@ public virtual void Reset() //复活时数据重置
         }
     }
 }
+//*/

logic/Preparation/GameObj/BirthPoint.cs

@@ -0,0 +1,28 @@
+using Preparation.Interface;
+using Preparation.Utility;
+
+namespace Preparation.GameObj
+{
+    /// <summary>
+    /// 出生点
+    /// </summary>
+    public class BirthPoint : ObjOfCharacter
+    {
+        public BirthPoint(XYPosition initPos, int radius) : base(initPos, radius, PlaceType.Land) 
+        {
+            this.CanMove = false;
+            this.Type = GameObjType.BirthPoint;
+        }
+        // 修改建议：需要避免非自己的玩家进入出生点，否则会重叠
+        public override bool IsRigid => true;
+        protected override bool IgnoreCollideExecutor(IGameObj targetObj)
+        {
+            if (targetObj.Type != GameObjType.Character)
+                return true;    // 非玩家不碰撞
+            else if (targetObj.Type == GameObjType.Character && targetObj.ID == this.Parent.ID)
+                return true;    // 出生点所属的玩家不碰撞
+            return false;
+        }
+        public override ShapeType Shape => ShapeType.Square; // 与THUAI4不同，改成了方形
+    }
+}