fix(移动系统): 修正近战攻击距离和友军间距逻辑

- 将 `minSpacingX` 拆分为 `meleeAttackRange` 和 `allySpacingX`，明确区分攻击范围和友军间距
- 在 `moveEntity` 方法中添加 `stopAtX` 参数，确保英雄在攻击范围内停止移动
- 新增 `clampXByAllies` 方法，防止友军单位在移动时相互重叠
- 更新 `hasAnyActorTooClose` 方法使用新的 `allySpacingX` 常量

assets/script/game/hero/MoveComp.ts

@@ -37,7 +37,8 @@ interface MoveFacConfig {
 
 @ecs.register('MoveSystem')
 export class MoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
-    private readonly minSpacingX = 50;
+    private readonly meleeAttackRange = 52;
+    private readonly allySpacingX = 40;
     private readonly minSpacingY = 30;
     private readonly renderSortInterval = 0.05;
     private renderSortElapsed = 0;
@@ -124,7 +125,7 @@ export class MoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
         const currentX = view.node.position.x;
         const enemyX = enemy.node.position.x;
         const dist = Math.abs(currentX - enemyX);
-        const maxRange = this.minSpacingX;
+        const maxRange = this.meleeAttackRange;
 
         move.direction = enemyX > currentX ? 1 : -1;
 
@@ -133,7 +134,8 @@ export class MoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
             model.is_atking = true;
         } else {
             const speed = model.speed / 3;
-            this.moveEntity(view, move.direction, speed);
+            const stopAtX = enemyX - move.direction * maxRange;
+            this.moveEntity(view, move.direction, speed, stopAtX);
             model.is_atking = true;
         }
     }
@@ -233,7 +235,7 @@ export class MoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
         return 0;
     }
 
-    private moveEntity(view: HeroViewComp, direction: number, speed: number) {
+    private moveEntity(view: HeroViewComp, direction: number, speed: number, stopAtX?: number) {
         const model = view.ent.get(HeroAttrsComp);
         const move = view.ent.get(MoveComp);
         if (!model || !move) return;
@@ -252,10 +254,42 @@ export class MoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
             return;
         }
         newX = Math.max(moveMinX, Math.min(moveMaxX, newX));
+        if (stopAtX !== undefined) {
+            newX = direction > 0 ? Math.min(newX, stopAtX) : Math.max(newX, stopAtX);
+        }
+        newX = this.clampXByAllies(view.ent, model.fac, move.baseY, currentX, newX, direction);
+        if (Math.abs(newX - currentX) < 0.01) {
+            view.status_change("idle");
+            return;
+        }
         view.node.setPosition(newX, move.baseY, 0);
         view.status_change("move");
     }
 
+    private clampXByAllies(self: ecs.Entity, fac: number, baseY: number, currentX: number, proposedX: number, direction: number): number {
+        let nearestAheadX = Infinity;
+        let nearestBehindX = -Infinity;
+        ecs.query(ecs.allOf(HeroAttrsComp, HeroViewComp, MoveComp)).forEach(e => {
+            if (e === self) return;
+            const attrs = e.get(HeroAttrsComp);
+            const view = e.get(HeroViewComp);
+            if (!attrs || !view?.node || attrs.is_dead) return;
+            if (attrs.fac !== fac) return;
+            if (Math.abs(view.node.position.y - baseY) >= this.minSpacingY) return;
+            const x = view.node.position.x;
+            if (x > currentX && x < nearestAheadX) nearestAheadX = x;
+            if (x < currentX && x > nearestBehindX) nearestBehindX = x;
+        });
+
+        if (direction > 0 && nearestAheadX !== Infinity) {
+            return Math.min(proposedX, nearestAheadX - this.allySpacingX);
+        }
+        if (direction < 0 && nearestBehindX !== -Infinity) {
+            return Math.max(proposedX, nearestBehindX + this.allySpacingX);
+        }
+        return proposedX;
+    }
+
     private hasAnyActorTooClose(self: ecs.Entity, x: number, y: number): boolean {
         const myAttrs = self.get(HeroAttrsComp);
         if (!myAttrs) return false;
@@ -266,7 +300,7 @@ export class MoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
             if (attrs.fac !== myAttrs.fac) return false;
             const view = e.get(HeroViewComp);
             if (!view || !view.node) return false;
-            return Math.abs(view.node.position.x - x) < this.minSpacingX
+            return Math.abs(view.node.position.x - x) < this.allySpacingX
                 && Math.abs(view.node.position.y - y) < this.minSpacingY;
         });
     }