mirror of
https://github.com/xiaopeng12138/MaiDXR.git
synced 2024-12-04 23:17:54 +01:00
343 lines
13 KiB
C#
343 lines
13 KiB
C#
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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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namespace LIV.SDK.Unity
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{
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public static class SDKUtils
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{
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public static void CreateClipPlane(Mesh mesh, int resX, int resY, bool useQuads, float skirtLength)
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{
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int vertexCount = (resX + 1) * (resY + 1);
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int triangleCount = useQuads ? (resX * resY * 4) : (resX * resY * 2 * 3);
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Vector3[] v = new Vector3[vertexCount];
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Vector2[] uv = new Vector2[vertexCount];
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int[] t = new int[triangleCount];
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float hWidth = 0.5f;
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float hHeight = 0.5f;
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int resX1 = resX + 1;
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int resY1 = resY + 1;
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for (int y = 0; y < resY1; y++)
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{
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for (int x = 0; x < resX1; x++)
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{
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int vi = y * resX1 + x;
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float uvx = (float)x / (float)resX;
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float uvy = (float)y / (float)resY;
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float skirtX = (x == 0 || x == resX) ? skirtLength : 1f;
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float skirtY = (y == 0 || y == resY) ? skirtLength : 1f;
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v[vi] = new Vector2((-hWidth + uvx) * skirtX, (-hHeight + uvy) * skirtY);
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uv[vi] = new Vector2(Mathf.InverseLerp(1, resX - 1, x), Mathf.InverseLerp(1, resY - 1, y));
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}
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}
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mesh.Clear();
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mesh.vertices = v;
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mesh.uv = uv;
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mesh.bounds = new Bounds(Vector3.zero, Vector3.one * float.MaxValue);
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{
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int faces = resX * resY;
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int vi = 0;
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int ti = 0;
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if (useQuads)
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{
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for (int i = 0; i < faces; i++)
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{
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vi = (i / resX) * resX1 + (i % resX);
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t[ti++] = vi + 1;
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t[ti++] = vi;
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t[ti++] = vi + 1 + resX;
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t[ti++] = vi + 2 + resX;
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}
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mesh.SetIndices(t, MeshTopology.Quads, 0);
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}
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else
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{
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for (int i = 0; i < faces; i++)
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{
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vi = (i / resX) * resX1 + (i % resX);
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t[ti++] = vi + 2 + resX;
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t[ti++] = vi + 1;
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t[ti++] = vi;
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t[ti++] = vi + 1 + resX;
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t[ti++] = vi + 2 + resX;
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t[ti++] = vi;
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}
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mesh.SetIndices(t, MeshTopology.Triangles, 0);
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}
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}
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}
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public static RenderTextureReadWrite GetReadWriteFromColorSpace(TEXTURE_COLOR_SPACE colorSpace)
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{
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switch (colorSpace)
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{
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case TEXTURE_COLOR_SPACE.LINEAR:
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return RenderTextureReadWrite.Linear;
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case TEXTURE_COLOR_SPACE.SRGB:
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return RenderTextureReadWrite.sRGB;
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default:
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return RenderTextureReadWrite.Default;
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}
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}
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public static TEXTURE_COLOR_SPACE GetDefaultColorSpace {
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get {
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switch (QualitySettings.activeColorSpace)
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{
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case UnityEngine.ColorSpace.Gamma:
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return TEXTURE_COLOR_SPACE.SRGB;
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case UnityEngine.ColorSpace.Linear:
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return TEXTURE_COLOR_SPACE.LINEAR;
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}
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return TEXTURE_COLOR_SPACE.UNDEFINED;
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}
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}
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public static TEXTURE_COLOR_SPACE GetColorSpace(RenderTexture renderTexture)
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{
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if (renderTexture == null) return TEXTURE_COLOR_SPACE.UNDEFINED;
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if (renderTexture.sRGB) return TEXTURE_COLOR_SPACE.SRGB;
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return TEXTURE_COLOR_SPACE.LINEAR;
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}
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public static RENDERING_PIPELINE GetRenderingPipeline(RenderingPath renderingPath)
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{
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switch (renderingPath)
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{
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case RenderingPath.DeferredLighting:
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return RENDERING_PIPELINE.DEFERRED;
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case RenderingPath.DeferredShading:
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return RENDERING_PIPELINE.DEFERRED;
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case RenderingPath.Forward:
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return RENDERING_PIPELINE.FORWARD;
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case RenderingPath.VertexLit:
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return RENDERING_PIPELINE.VERTEX_LIT;
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default:
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return RENDERING_PIPELINE.UNDEFINED;
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}
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}
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public static TEXTURE_DEVICE GetDevice()
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{
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switch (SystemInfo.graphicsDeviceType)
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{
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case UnityEngine.Rendering.GraphicsDeviceType.Direct3D11:
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case UnityEngine.Rendering.GraphicsDeviceType.Direct3D12:
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return TEXTURE_DEVICE.DIRECTX;
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case UnityEngine.Rendering.GraphicsDeviceType.Vulkan:
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return TEXTURE_DEVICE.VULKAN;
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case UnityEngine.Rendering.GraphicsDeviceType.Metal:
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return TEXTURE_DEVICE.METAL;
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case UnityEngine.Rendering.GraphicsDeviceType.OpenGLCore:
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return TEXTURE_DEVICE.OPENGL;
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default:
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return TEXTURE_DEVICE.UNDEFINED;
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}
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}
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public static bool ContainsFlag(ulong flags, ulong flag)
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{
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return (flags & flag) != 0;
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}
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public static ulong SetFlag(ulong flags, ulong flag, bool enabled)
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{
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if (enabled)
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{
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return flags | flag;
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}
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else
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{
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return flags & (~flag);
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}
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}
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public static void GetCameraPositionAndRotation(SDKPose pose, Matrix4x4 originLocalToWorldMatrix, out Vector3 position, out Quaternion rotation)
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{
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position = originLocalToWorldMatrix.MultiplyPoint(pose.localPosition);
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rotation = RotateQuaternionByMatrix(originLocalToWorldMatrix, pose.localRotation);
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}
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public static void CleanCameraBehaviours(Camera camera, string[] excludeBehaviours)
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{
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// Remove all children from camera clone.
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foreach (Transform child in camera.transform)
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{
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Object.Destroy(child.gameObject);
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}
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if (excludeBehaviours == null) return;
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for (int i = 0; i < excludeBehaviours.Length; i++)
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{
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Object.Destroy(camera.GetComponent(excludeBehaviours[i]));
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}
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}
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public static void SetCamera(Camera camera, Transform cameraTransform, SDKInputFrame inputFrame, Matrix4x4 originLocalToWorldMatrix, int layerMask)
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{
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Vector3 worldPosition = Vector3.zero;
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Quaternion worldRotation = Quaternion.identity;
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float verticalFieldOfView = inputFrame.pose.verticalFieldOfView;
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float nearClipPlane = inputFrame.pose.nearClipPlane;
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float farClipPlane = inputFrame.pose.farClipPlane;
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Matrix4x4 projectionMatrix = inputFrame.pose.projectionMatrix;
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GetCameraPositionAndRotation(inputFrame.pose, originLocalToWorldMatrix, out worldPosition, out worldRotation);
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cameraTransform.position = worldPosition;
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cameraTransform.rotation = worldRotation;
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camera.fieldOfView = verticalFieldOfView;
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camera.nearClipPlane = nearClipPlane;
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camera.farClipPlane = farClipPlane;
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camera.projectionMatrix = projectionMatrix;
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camera.cullingMask = layerMask;
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}
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public static Quaternion RotateQuaternionByMatrix(Matrix4x4 matrix, Quaternion rotation)
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{
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return Quaternion.LookRotation(
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matrix.MultiplyVector(Vector3.forward),
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matrix.MultiplyVector(Vector3.up)
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) * rotation;
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}
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public static SDKTrackedSpace GetTrackedSpace(Transform transform)
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{
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if (transform == null) return SDKTrackedSpace.empty;
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return new SDKTrackedSpace
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{
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trackedSpaceWorldPosition = transform.position,
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trackedSpaceWorldRotation = transform.rotation,
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trackedSpaceLocalScale = transform.localScale,
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trackedSpaceLocalToWorldMatrix = transform.localToWorldMatrix,
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trackedSpaceWorldToLocalMatrix = transform.worldToLocalMatrix,
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};
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}
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public static bool DestroyObject<T>(ref T reference) where T : UnityEngine.Object
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{
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if (reference == null) return false;
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Object.Destroy(reference);
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reference = default(T);
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return true;
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}
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public static bool DisposeObject<T>(ref T reference) where T : System.IDisposable
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{
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if (reference == null) return false;
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reference.Dispose();
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reference = default(T);
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return true;
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}
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public static bool CreateTexture(ref RenderTexture renderTexture, int width, int height, int depth, RenderTextureFormat format)
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{
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DestroyTexture(ref renderTexture);
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if (width <= 0 || height <= 0)
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{
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Debug.LogError("LIV: Unable to create render texture. Texture dimension must be higher than zero.");
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return false;
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}
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renderTexture = new RenderTexture(width, height, depth, format)
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{
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antiAliasing = 1,
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wrapMode = TextureWrapMode.Clamp,
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useMipMap = false,
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anisoLevel = 0
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};
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if (!renderTexture.Create())
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{
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Debug.LogError("LIV: Unable to create render texture.");
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return false;
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}
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return true;
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}
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public static void DestroyTexture(ref RenderTexture _renderTexture)
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{
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if (_renderTexture == null) return;
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if (_renderTexture.IsCreated())
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{
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_renderTexture.Release();
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}
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_renderTexture = null;
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}
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public static void ApplyUserSpaceTransform(SDKRender render)
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{
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if (render.stageTransform == null) return;
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render.stageTransform.localPosition = render.inputFrame.stageTransform.localPosition;
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render.stageTransform.localRotation = render.inputFrame.stageTransform.localRotation;
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render.stageTransform.localScale = render.inputFrame.stageTransform.localScale;
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}
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public static void CreateBridgeOutputFrame(SDKRender render)
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{
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RENDERING_PIPELINE renderingPipeline = RENDERING_PIPELINE.UNDEFINED;
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#if LIV_UNIVERSAL_RENDER
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renderingPipeline = RENDERING_PIPELINE.UNIVERSAL;
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#else
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if(render.cameraInstance != null)
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{
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renderingPipeline = SDKUtils.GetRenderingPipeline(render.cameraInstance.actualRenderingPath);
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}
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#endif
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SDKBridge.CreateFrame(new SDKOutputFrame()
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{
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renderingPipeline = renderingPipeline,
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trackedSpace = SDKUtils.GetTrackedSpace(render.stageTransform == null ? render.stage : render.stageTransform)
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});
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}
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public static bool FeatureEnabled(FEATURES features, FEATURES feature)
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{
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return SDKUtils.ContainsFlag((ulong)features, (ulong)feature);
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}
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// Disable standard assets if required.
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public static void DisableStandardAssets(Camera cameraInstance, ref MonoBehaviour[] behaviours, ref bool[] wasBehaviourEnabled)
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{
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behaviours = null;
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wasBehaviourEnabled = null;
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behaviours = cameraInstance.gameObject.GetComponents<MonoBehaviour>();
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wasBehaviourEnabled = new bool[behaviours.Length];
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for (var i = 0; i < behaviours.Length; i++)
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{
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var behaviour = behaviours[i];
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// generates garbage
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if (behaviour.enabled && behaviour.GetType().ToString().StartsWith("UnityStandardAssets."))
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{
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behaviour.enabled = false;
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wasBehaviourEnabled[i] = true;
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}
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}
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}
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// Restore disabled behaviours.
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public static void RestoreStandardAssets(ref MonoBehaviour[] behaviours, ref bool[] wasBehaviourEnabled)
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{
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if (behaviours != null)
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for (var i = 0; i < behaviours.Length; i++)
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if (wasBehaviourEnabled[i])
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behaviours[i].enabled = true;
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}
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public static void ForceForwardRendering(Camera cameraInstance, Mesh clipPlaneMesh, Material forceForwardRenderingMaterial)
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{
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Matrix4x4 forceForwardRenderingMatrix = cameraInstance.transform.localToWorldMatrix * Matrix4x4.TRS(Vector3.forward * (cameraInstance.nearClipPlane + 0.1f), Quaternion.identity, Vector3.one);
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Graphics.DrawMesh(clipPlaneMesh, forceForwardRenderingMatrix, forceForwardRenderingMaterial, 0, cameraInstance, 0, new MaterialPropertyBlock(), false, false, false);
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}
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}
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}
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