124 lines
4.4 KiB
C#
124 lines
4.4 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using TMPro;
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using System.IO;
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using UnityEngine.Networking;
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using System.Runtime.InteropServices;
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using System;
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public class SkyboxSwitcher : MonoBehaviour
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{
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private string skyboxPath;
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public List<FileInfo> imageFiles = new List<FileInfo>();
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public List<Texture2D> textures = new List<Texture2D>();
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public List<System.IntPtr> ptrs = new List<System.IntPtr>();
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public GameObject Room;
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[SerializeField]
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private List<Material> skyboxes;
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[SerializeField]
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private int currentSkyboxIndex = 0;
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private TMP_Dropdown Dropdown;
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void Start()
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{
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skyboxes.Insert(0, RenderSettings.skybox); // add ubiquitous default skybox (should be current)
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// check StreamingAssets folder for additional skybox textures
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skyboxPath = Path.Combine(Application.streamingAssetsPath, "SkyboxTextures");
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StartCoroutine(AddSkyboxes());
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Dropdown = GetComponent<TMP_Dropdown>();
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Dropdown.onValueChanged.AddListener((int value) => {
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if (value == 0)
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{
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Room.SetActive(true);
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}
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else
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{
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Room.SetActive(false);
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currentSkyboxIndex = Dropdown.value;
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SetSkybox();
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}
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});
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Dropdown.onValueChanged?.Invoke(Dropdown.value);
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}
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IEnumerator AddSkyboxes()
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{
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var skyboxDir = new DirectoryInfo(skyboxPath);
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imageFiles.AddRange(skyboxDir.GetFiles("*.png"));
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imageFiles.AddRange(skyboxDir.GetFiles("*.jpg"));
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imageFiles.AddRange(skyboxDir.GetFiles("*.jpeg"));
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//List<FileInfo> hdrFiles = new List<FileInfo>();
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//hdrFiles.AddRange(skyboxDir.GetFiles("*.hdr"));
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//hdrFiles.AddRange(skyboxDir.GetFiles("*.hdri"));
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//hdrFiles.AddRange(skyboxDir.GetFiles("*.exr"));
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foreach (var file in imageFiles) // Typical image files
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{
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var uwr = UnityWebRequestTexture.GetTexture(file.ToString());
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yield return uwr.SendWebRequest();
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if (uwr.result == UnityWebRequest.Result.ConnectionError)
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{
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Debug.LogWarning($"Couldn't load skybox texture at {uwr.uri}.");
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}
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else
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{
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var skyboxMat = new Material(Shader.Find("Skybox/Panoramic"));
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skyboxMat.SetFloat("_Rotation", 45f);
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var texture = DownloadHandlerTexture.GetContent(uwr);
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if (texture != null)
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{
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skyboxMat.SetTexture("_MainTex", texture);
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skyboxes.Add(skyboxMat);
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Dropdown.options.Add(new TMP_Dropdown.OptionData(file.Name));
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}
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}
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}
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SetSkybox();
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//foreach (var file in hdrFiles) // HDR files -- no way to use by scripting?
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//{
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// var uwr = UnityWebRequest.Get(file.ToString());
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// yield return uwr.SendWebRequest();
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// if (uwr.result == UnityWebRequest.Result.ConnectionError)
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// {
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// Debug.Log($"Had trouble loading file {uwr.uri}.");
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// }
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// else
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// {
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// byte[] data = uwr.downloadHandler.data;
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// if (data != null)
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// {
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// GCHandle pinnedArray = GCHandle.Alloc(data, GCHandleType.Pinned);
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// IntPtr pointer = pinnedArray.AddrOfPinnedObject();
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// var cubemap = Cubemap.CreateExternalTexture(2200, TextureFormat.DXT5, false, pointer);
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// var skyboxMat = new Material(Shader.Find("Skybox/Panoramic"));
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// skyboxMat.SetTexture("_Tex", cubemap);
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// skyboxes.Add(skyboxMat);
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// pinnedArray.Free();
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// }
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// // FIXME: convert Texture2D to Cubemap
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// //textures.Add(texture);
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// //ptrs.Add(texture.GetNativeTexturePtr());
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// //texture = textures[textures.Count - 1];
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// //var cubemap = Cubemap.CreateExternalTexture(texture.width, texture.format, false, texture.GetNativeTexturePtr());
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// //skyboxMat.SetTexture("_Tex", cubemap);
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// }
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//}
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}
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private void SetSkybox()
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{
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if (currentSkyboxIndex < skyboxes.Count && skyboxes[currentSkyboxIndex] != null)
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RenderSettings.skybox = skyboxes[currentSkyboxIndex];
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}
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}
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