306 lines
11 KiB
C#
306 lines
11 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using RuntimeData;
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using TH1_Logic.Core;
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public class CameraController : MonoBehaviour
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{
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public float zoomSpeed = 5f; // 滚轮缩放速度
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public float minZoom = 3f; // 最小缩放值
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public float maxZoom = 15f; // 最大缩放值
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public float panSpeed = 0.5f; // 拖动地图的速度
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//相机移动上下边界（会根据地图尺寸动态计算）
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public float minX = -240f;
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public float maxX = 240f;
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public float minY = -80f;
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public float maxY = 280f;
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// 边界边距（额外留白）
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public float boundaryMargin = 50f;
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//相机移动动画相关参数
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public float moveSpeed = 0.5f; // 平滑移动速度
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private Vector3? _smoothTargetPosition = null; //记录相机平滑移动的起点
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private Vector3 _startPos;
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private float _moveProgress = 0f;
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private float _moveDuration; // 可调节移动总时长
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private bool _isMoving = false;
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private const float TARGET_ASPECT = 16f / 9f; // 目标宽高比
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private Camera _camera;
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private int _lastWidth, _lastHeight;
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void Start()
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{
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_camera = GetComponent<Camera>();
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UpdateViewport();
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}
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/// <summary>
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/// 根据地图尺寸动态计算相机移动边界
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/// </summary>
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public void CalculateBoundsFromMapSize(uint mapWidth, uint mapHeight)
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{
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// 计算地图四个角的网格坐标对应的世界坐标
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// 左下角 (0, 0)
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Vector3 bottomLeft = Table.Instance.GridPosToWorld(new Vector2Int(0, 0));
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// 右上角 (width-1, height-1)
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Vector3 topRight = Table.Instance.GridPosToWorld(new Vector2Int((int)mapWidth - 1, (int)mapHeight - 1));
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// 左上角 (0, height-1)
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Vector3 topLeft = Table.Instance.GridPosToWorld(new Vector2Int(0, (int)mapHeight - 1));
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// 右下角 (width-1, 0)
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Vector3 bottomRight = Table.Instance.GridPosToWorld(new Vector2Int((int)mapWidth - 1, 0));
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// 计算所有角的 X 和 Y 范围
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float minWorldX = Mathf.Min(bottomLeft.x, topRight.x, topLeft.x, bottomRight.x);
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float maxWorldX = Mathf.Max(bottomLeft.x, topRight.x, topLeft.x, bottomRight.x);
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float minWorldY = Mathf.Min(bottomLeft.y, topRight.y, topLeft.y, bottomRight.y);
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float maxWorldY = Mathf.Max(bottomLeft.y, topRight.y, topLeft.y, bottomRight.y);
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// 添加边距
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minX = minWorldX - boundaryMargin;
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maxX = maxWorldX + boundaryMargin;
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minY = minWorldY - boundaryMargin;
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maxY = maxWorldY + boundaryMargin;
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Debug.Log($"Camera bounds calculated: X[{minX}, {maxX}], Y[{minY}, {maxY}] for map size {mapWidth}x{mapHeight}");
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}
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void Update()
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{
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HandleSmoothMove();
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HandleZoom();
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if (Screen.width != _lastWidth || Screen.height != _lastHeight)
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UpdateViewport();
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//if (_camera.orthographic) _camera.orthographicSize = 20f;
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}
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private void LateUpdate()
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{
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HandlePan();
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}
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void UpdateViewport()
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{
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float currentAspect = (float)Screen.width / Screen.height;
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Rect rect = new Rect(0, 0, 1, 1); // 默认全屏
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if (currentAspect > TARGET_ASPECT)
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{
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// 窗口过宽：左右黑边
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rect.width = TARGET_ASPECT / currentAspect;
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rect.x = (1f - rect.width) / 2f;
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}
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else if (currentAspect < TARGET_ASPECT)
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{
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// 窗口过高：上下黑边
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rect.height = currentAspect / TARGET_ASPECT;
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rect.y = (1f - rect.height) / 2f;
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}
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_camera.rect = rect; // 应用视口矩形
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_lastWidth = Screen.width;
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_lastHeight = Screen.height;
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}
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void HandleSmoothMove()
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{
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if (!UIBlockCameraDrag.MoveEvent && _isMoving && _smoothTargetPosition.HasValue)
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{
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_moveProgress += Time.deltaTime / _moveDuration;
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float t = Mathf.SmoothStep(0, 1, _moveProgress); // 缓动曲线
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Vector3 targetPos = _smoothTargetPosition.Value;
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Camera.main.transform.position = Vector3.Lerp(_startPos, targetPos, t);
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if (_moveProgress >= 1f)
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{
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Camera.main.transform.position = targetPos;
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_smoothTargetPosition = null;
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_isMoving = false;
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}
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}
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}
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private void CancelSmoothMove()
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{
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_smoothTargetPosition = null;
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_isMoving = false;
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_moveProgress = 0f;
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}
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void HandleZoom()
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{
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// 鼠标不在地图可交互区域时不响应滚轮缩放；ShouldBlockDrag 兜住正在拖动地图、鼠标暂时滑到UI上的情况
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if (!UIBlockCameraDrag.IsPointerOnUI && !UIBlockCameraDrag.ShouldBlockDrag) return;
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// 获取滚轮输入
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float scroll = Input.GetAxis("Mouse ScrollWheel");
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if (scroll != 0f)
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{
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Camera.main.orthographicSize -= scroll * zoomSpeed;
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Camera.main.orthographicSize = Mathf.Clamp(Camera.main.orthographicSize, minZoom, maxZoom);
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}
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}
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void CameraMove(Vector3 deltaVector)
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{
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Vector3 targetPosition = Camera.main.transform.position + deltaVector;
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// 计算当前相机视野的一半宽高
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float vertExtent = Camera.main.orthographicSize;
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float horzExtent = vertExtent * Camera.main.aspect;
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// 限制相机的中心点，使得视野边缘不超出边界
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float minXClamp = minX + horzExtent;
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float maxXClamp = maxX - horzExtent;
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float minYClamp = minY + vertExtent;
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float maxYClamp = maxY - vertExtent;
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targetPosition.x = Mathf.Clamp(targetPosition.x, minXClamp, maxXClamp);
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targetPosition.y = Mathf.Clamp(targetPosition.y, minYClamp, maxYClamp);
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Camera.main.transform.position = targetPosition;
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}
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void HandlePan()
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{
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if (UIBlockCameraDrag.MoveEvent)
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{
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CancelSmoothMove();
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CameraMove(UIBlockCameraDrag.MoveVector);
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/*Vector3 targetPosition = Camera.main.transform.position + ;
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// 计算当前相机视野的一半宽高
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float vertExtent = Camera.main.orthographicSize;
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float horzExtent = vertExtent * Camera.main.aspect;
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// 限制相机的中心点，使得视野边缘不超出边界
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float minXClamp = minX + horzExtent;
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float maxXClamp = maxX - horzExtent;
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float minYClamp = minY + vertExtent;
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float maxYClamp = maxY - vertExtent;
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targetPosition.x = Mathf.Clamp(targetPosition.x, minXClamp, maxXClamp);
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targetPosition.y = Mathf.Clamp(targetPosition.y, minYClamp, maxYClamp);
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Camera.main.transform.position = targetPosition;*/
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UIBlockCameraDrag.DragOrigin = Camera.main.ScreenToWorldPoint(Input.mousePosition);
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return;
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}
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var main = Main.Instance;
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var inputLogic = main != null ? main.InputLogic : null;
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if (inputLogic != null && inputLogic.WASDMapMover)
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{
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inputLogic.WASDMapMover = false;
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CameraMove(inputLogic.WASDMapMoverVector);
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}
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}
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public void CameraFocusOnGrid(GridData gridData, bool Center = false)
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{
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Vector3 worldPosition = Table.Instance.GridToWorld(gridData);
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float vertExtent = Camera.main.orthographicSize;
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float horzExtent = vertExtent * Camera.main.aspect;
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_moveDuration = Table.Instance.AnimDataAssets.AIAnimCameraMoveTime;
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//瞬间移到中心
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if (Center)
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{
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float clampedX = Mathf.Clamp(worldPosition.x, minX + horzExtent, maxX - horzExtent);
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float clampedY = Mathf.Clamp(worldPosition.y, minY + vertExtent, maxY - vertExtent);
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Vector3 finalTarget = new Vector3(clampedX, clampedY, Camera.main.transform.position.z);
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_startPos = Camera.main.transform.position;
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_smoothTargetPosition = finalTarget;
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_moveProgress = 0f;
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_isMoving = true;
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}
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//平滑移动到视觉框内
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else
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{
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Vector3 camPos = Camera.main.transform.position;
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// 获取世界坐标 → 屏幕坐标
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Vector3 screenPos = Camera.main.WorldToScreenPoint(worldPosition);
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float screenWidth = Screen.width;
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float screenHeight = Screen.height;
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// 原始区域尺寸
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float boxWidth = 1400f;
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float boxHeight = 600f;
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// 削减左侧150像素后的区域
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float reducedLeft = 550f;
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//如果是AI行动，给画面中心位置
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if (!Main.MapData.CurPlayer?.IsSelfPlayer() ?? false)
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{
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boxWidth = 400f;
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boxHeight = 200f;
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reducedLeft = 0f;
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}
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float adjustedBoxWidth = boxWidth - reducedLeft;
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float xMax = (screenWidth + boxWidth) / 2f; // 保持右侧不变
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float xMin = xMax - adjustedBoxWidth; // 左侧往右收缩150像素
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float yMin = (screenHeight - boxHeight) / 2f;
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float yMax = (screenHeight + boxHeight) / 2f;
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// 如果点已经在框中，不动
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if (screenPos.x >= xMin && screenPos.x <= xMax &&
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screenPos.y >= yMin && screenPos.y <= yMax)
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{
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return;
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}
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// 计算目标点应该在屏幕中央框内的“目标屏幕位置”
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float targetScreenX = Mathf.Clamp(screenPos.x, xMin, xMax);
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float targetScreenY = Mathf.Clamp(screenPos.y, yMin, yMax);
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Vector3 desiredScreenPos = new Vector3(targetScreenX, targetScreenY, screenPos.z);
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// 将这个屏幕位置转回世界空间
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Vector3 desiredWorldPos = Camera.main.ScreenToWorldPoint(desiredScreenPos);
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// 计算需要相机移动的 delta = 当前格子位置 - 应该出现在的位置
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Vector3 offset = worldPosition - desiredWorldPos;
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Vector3 targetPos = camPos + offset;
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// 限制相机移动范围
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vertExtent = Camera.main.orthographicSize;
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horzExtent = vertExtent * Camera.main.aspect;
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float minXClamp = minX + horzExtent;
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float maxXClamp = maxX - horzExtent;
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float minYClamp = minY + vertExtent;
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float maxYClamp = maxY - vertExtent;
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targetPos.x = Mathf.Clamp(targetPos.x, minXClamp, maxXClamp);
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targetPos.y = Mathf.Clamp(targetPos.y, minYClamp, maxYClamp);
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// 平滑移动
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_startPos = camPos;
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_smoothTargetPosition = new Vector3(targetPos.x, targetPos.y, camPos.z);
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_moveProgress = 0f;
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_isMoving = true;
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}
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}
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}
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