128 lines
3.9 KiB
C#
128 lines
3.9 KiB
C#
using UnityEngine;
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using UnityEngine.Tilemaps;
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public class BuilderHandlerRunner : MonoBehaviour {
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public BuilderSettings Settings;
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private GameObjectPool GameObjPool;
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private GameObject PreviewObj;
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private bool BuildMode = false;
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private Vector2 SpriteSize;
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private CapsuleDirection2D CapsuleDir;
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private float GridSize = 0.5f;
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private Collider2D[] bufferSmall = new Collider2D[10];
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private Collider2D[] bufferLarge = new Collider2D[20];
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private ContactFilter2D ContactFilter;
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private Vector3 SnappedPos;
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private VfxHandlerBase VfxHandler;
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void Awake() {
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GameObjPool = new GameObjectPool(Settings.ObjToSpawn);
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PreviewObj = Instantiate(Settings.ObjAsPreview);
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PreviewObj.SetActive(false);
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var sr = PreviewObj.GetComponent<SpriteRenderer>();
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var s = sr.sprite;
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SpriteSize = s.rect.size / s.pixelsPerUnit;
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CapsuleDir = SpriteSize.x > SpriteSize.y
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? CapsuleDirection2D.Horizontal
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: CapsuleDirection2D.Vertical;
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ContactFilter = new ContactFilter2D();
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//ContactFilter.useLayerMask = true;
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//ContactFilter.layerMask = LayerMask.GetMask("Structural", "Terrain"); // only check these layers
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ContactFilter.useTriggers = false; // ignore triggers
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ContactFilter.useDepth = true;
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ContactFilter.SetDepth(-Mathf.Infinity, Mathf.Infinity);
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VfxHandler = new VfxHandlerBase(Settings.Vfx);
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}
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void Update() {
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if (!BuildMode) return;
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Vector3 mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
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mousePos.z = 0;
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SnappedPos = new Vector3(
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Mathf.Round(mousePos.x / GridSize) * GridSize,
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Mathf.Round(mousePos.y / GridSize) * GridSize,
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0f);
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PreviewObj.transform.position = SnappedPos;
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if (Input.GetMouseButtonDown(0)) PlaceObject();
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}
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public void SetBuildMode(bool on) {
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BuildMode = on;
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PreviewObj.SetActive(on);
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}
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void PlaceObject() {
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if (InvalidPlacement()) return;
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VfxHandler.PlayAll(SnappedPos);
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var obj = GameObjPool.Get(SnappedPos, Quaternion.identity);
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}
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private bool InvalidPlacement() {
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//Collider2D[] hits = Physics2D.OverlapCapsuleAll(pos, SpriteSize * 0.8f, CapsuleDir, 0);
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//foreach (var hit in hits)
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// if (hit.CompareTag("Structural"))
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// return false;
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//hits = Physics2D.OverlapCapsuleAll(pos, SpriteSize, CapsuleDir, 0);
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//foreach (var hit in hits)
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// if (hit.GetComponent<TilemapCollider2D>())
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// return false;
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int count = Physics2D.OverlapCapsule(SnappedPos, SpriteSize * 0.8f, CapsuleDir, 0f, ContactFilter, bufferSmall);
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for (int i = 0; i < count; i++)
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if (bufferSmall[i].CompareTag("Structural"))
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return true;
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count = Physics2D.OverlapCapsule(SnappedPos, SpriteSize, CapsuleDir, 0f, ContactFilter, bufferLarge);
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for (int i = 0; i < count; i++)
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if (bufferLarge[i].GetComponent<TilemapCollider2D>())
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return true;
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Vector3 worldPos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
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worldPos.z = 0f;
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GameObject groundGO = GameObject.FindGameObjectWithTag("Ground");
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if (!groundGO) return true;
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Tilemap tilemap = groundGO.GetComponent<Tilemap>();
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if (!tilemap) return true;
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Vector3Int cellPos = tilemap.WorldToCell(worldPos);
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TileBase tile = tilemap.GetTile(cellPos);
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if (!tile) return true;
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return false;
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}
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void OnDrawGizmos() {
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Vector2 center = SnappedPos;
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Vector2 size = SpriteSize;
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float radius = size.x / 2 * 0.8f;
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float height = size.y / 2 * 0.8f;
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if (SpriteSize.x != SpriteSize.y) {
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Vector2 top = center + Vector2.up * (height / 2 - radius);
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Vector2 bottom = center + Vector2.down * (height / 2 - radius);
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Gizmos.color = Color.green;
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Gizmos.DrawWireCube(center, new Vector2(size.x, height - 2 * radius));
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Gizmos.DrawWireSphere(top, radius);
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Gizmos.DrawWireSphere(bottom, radius);
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} else {
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Gizmos.color = Color.green;
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Gizmos.DrawWireSphere(center, radius);
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}
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}
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}
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