using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI; using Starpelly; namespace RhythmHeavenMania.Editor { public class BoxSelection : MonoBehaviour { [SerializeField] private RectTransform boxVisual; private Rect selectionBox; private Vector2 startPosition = Vector2.zero; private Vector2 endPosition = Vector2.zero; public bool selecting = false; public static BoxSelection instance { get; private set; } private void Awake() { instance = this; } private void Start() { DrawVisual(); Color boxCol = EditorTheme.theme.properties.BoxSelectionCol.Hex2RGB(); boxVisual.GetComponent().color = new Color(boxCol.r, boxCol.g, boxCol.b, 0.3f); boxVisual.transform.GetChild(0).GetComponent().color = EditorTheme.theme.properties.BoxSelectionOutlineCol.Hex2RGB(); } private void Update() { if (Selections.instance.eventsSelected.Count > 0 && Timeline.instance.IsEventsDragging()) { return; } // click if (Input.GetMouseButtonDown(0)) { startPosition = MousePosition(); selectionBox = new Rect(); } // dragging if (Input.GetMouseButton(0)) { endPosition = MousePosition(); DrawVisual(); DrawSelection(); } // release click if (Input.GetMouseButtonUp(0)) { startPosition = Vector2.zero; endPosition = Vector2.zero; DrawVisual(); SelectEvents(); } // selecting = (selectionBox.size != Vector2.zero); -- doesn't work really // for real time selection just move SelectEvents() to here, but that breaks some shit. might fix soon idk --pelly } private void DrawVisual() { Vector2 boxStart = startPosition; Vector2 boxEnd = endPosition; Vector2 boxCenter = (boxStart + boxEnd) / 2; boxVisual.position = boxCenter; Vector2 boxSize = new Vector2(Mathf.Abs(boxStart.x - boxEnd.x), Mathf.Abs(boxStart.y - boxEnd.y)); boxVisual.sizeDelta = boxSize; } private void DrawSelection() { // X if (MousePosition().x < startPosition.x) { // dragging left selectionBox.xMin = MousePosition().x; selectionBox.xMax = startPosition.x; } else { // dragging right selectionBox.xMin = startPosition.x; selectionBox.xMax = MousePosition().x; } // Y if (MousePosition().y < startPosition.y) { // dragging down selectionBox.yMin = MousePosition().y; selectionBox.yMax = startPosition.y; } else { // dragging up selectionBox.yMin = startPosition.y; selectionBox.yMax = MousePosition().y; } } private void SelectEvents() { int selected = 0; for (int i = 0; i < GameManager.instance.Beatmap.entities.Count; i++) { TimelineEventObj e = GameManager.instance.Beatmap.entities[i].eventObj; if (selectionBox.Overlaps(GetWorldRect(e.GetComponent()))) { print(selectionBox); print(GetWorldRect(e.GetComponent())); Selections.instance.DragSelect(e); selected++; } } selecting = selected > 0; } public Vector3 MousePosition() { var mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition); return new Vector3(mousePos.x, mousePos.y, 0); } public Rect GetWorldRect(RectTransform rectTransform) { Vector3[] corners = new Vector3[4]; rectTransform.GetWorldCorners(corners); // Get the bottom left corner. Vector3 position = corners[0]; Vector2 size = new Vector2( rectTransform.lossyScale.x * rectTransform.rect.size.x, rectTransform.lossyScale.y * rectTransform.rect.size.y); return new Rect(position, size); } } }