119 lines
4.2 KiB
C#
119 lines
4.2 KiB
C#
using Godot;
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namespace Milimoe.GodotGame
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{
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public partial class CameraFight : Camera2D
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{
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[Export]
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public float MoveSpeed = 200f;
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[Export]
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public TileMapLayer BattleTileLayer;
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public override void _Ready()
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{
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// 默认关闭处理，只有进入战斗信号触发后才开启
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SetPhysicsProcess(false);
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}
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public override void _PhysicsProcess(double delta)
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{
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// 这里的控制逻辑和角色类似，但作用于摄像机
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Vector2 inputDir = Input.GetVector("move_left", "move_right", "move_up", "move_down");
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if (inputDir != Vector2.Zero)
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{
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Vector2 targetPos = GlobalPosition + inputDir * MoveSpeed * (float)delta;
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// 获取带缩放的屏幕尺寸
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Vector2 viewSize = GetViewportRect().Size / Zoom;
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Vector2 halfView = viewSize / 2;
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// --- 核心修复逻辑 ---
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// 1. 处理 X 轴
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float minX = LimitLeft + halfView.X;
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float maxX = LimitRight - halfView.X;
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if (minX <= maxX)
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{
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// 如果地图够大，正常限位
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targetPos.X = Mathf.Clamp(targetPos.X, minX, maxX);
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}
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else
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{
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// 如果地图比屏幕窄，强行居中，防止报错
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targetPos.X = (LimitLeft + LimitRight) / 2f;
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}
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// 2. 处理 Y 轴
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float minY = LimitTop + halfView.Y;
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float maxY = LimitBottom - halfView.Y;
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if (minY <= maxY)
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{
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targetPos.Y = Mathf.Clamp(targetPos.Y, minY, maxY);
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}
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else
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{
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// 如果地图比屏幕短，强行居中
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targetPos.Y = (LimitTop + LimitBottom) / 2f;
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}
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GlobalPosition = targetPos;
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}
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// (可选) 按下某个键退出战斗模式
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if (Input.IsActionJustPressed("ui_cancel"))
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{
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ExitBattleMode();
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}
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}
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public void ExitBattleMode()
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{
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AudioStreamPlayer FightMusic = GetParent().GetNode<AudioStreamPlayer>("FightMusic");
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FightMusic.Stop();
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AudioStreamPlayer MapMusic = GetParent().GetNode<AudioStreamPlayer>("MapMusic");
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if (MapMusic.StreamPaused)
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{
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MapMusic.StreamPaused = false;
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}
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SetPhysicsProcess(false);
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GameConstant.Pause = false;
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// 切换回角色的摄像机（假设角色下有个 Camera2D）
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GetParent().GetNode<Camera2D>("Player/Camera2D").MakeCurrent();
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Enabled = false;
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}
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public void UpdateLimitsFromTileMap()
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{
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if (BattleTileLayer is null) return;
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// 1. 定义你的格子坐标
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Vector2I cellTopLeft = new(88, 4);
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Vector2I cellBottomRight = new(115, 15);
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// 2. 获取 Tile 的大小 (通常是 16x16 或 32x32)
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Vector2I tileSize = BattleTileLayer.TileSet.TileSize;
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// 3. 计算像素坐标
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// MapToLocal 返回的是格子的中心点，所以我们要减去/加上半个 Tile 大小来对齐边缘
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Vector2 topLeftPixel = BattleTileLayer.MapToLocal(cellTopLeft) - (Vector2)tileSize / 2;
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Vector2 bottomRightPixel = BattleTileLayer.MapToLocal(cellBottomRight) + (Vector2)tileSize / 2;
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// 4. 如果你的 TileMapLayer 本身有位移或缩放，需要转为全局坐标
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Vector2 globalTopLeft = BattleTileLayer.ToGlobal(topLeftPixel);
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Vector2 globalBottomRight = BattleTileLayer.ToGlobal(bottomRightPixel);
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// 5. 设置摄像机界限
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LimitLeft = (int)globalTopLeft.X;
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LimitTop = (int)globalTopLeft.Y;
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LimitRight = (int)globalBottomRight.X;
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LimitBottom = (int)globalBottomRight.Y;
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GD.Print($"摄像机界限已设置：左{LimitLeft}, 上{LimitTop}, 右{LimitRight}, 下{LimitBottom}");
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}
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}
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}
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