mirror of
https://github.com/KillzXGaming/Switch-Toolbox
synced 2024-11-22 20:43:09 +00:00
197 lines
9.2 KiB
C#
197 lines
9.2 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using SFGraphics.GLObjects.Textures;
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using SFGraphics.GLObjects.Textures.TextureFormats;
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using OpenTK;
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using OpenTK.Graphics.OpenGL;
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using Smash_Forge.Rendering;
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namespace Switch_Toolbox.Library
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{
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public class RenderTools
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{
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public static Texture2D defaultTex;
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public static TextureCubeMap diffusePbr;
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public static TextureCubeMap specularPbr;
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public static Texture2D uvTestPattern;
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public static void LoadTextures()
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{
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defaultTex = new Texture2D();
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defaultTex.LoadImageData(Properties.Resources.DefaultTexture);
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uvTestPattern = new Texture2D();
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uvTestPattern.LoadImageData(Properties.Resources.UVPattern);
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// DDS specularSdr = new DDS(Properties.Resources.specularSDR);
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// specularPbr = NUT.CreateTextureCubeMap(specularSdr.ToNutTexture());
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// DDS diffuseSdr = new DDS(Properties.Resources.diffuseSDR);
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// diffusePbr = CreateTextureCubeMap(bntx.textureData.texture);
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// Don't use mipmaps.
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// diffusePbr.MinFilter = TextureMinFilter.Linear;
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// diffusePbr.MagFilter = TextureMagFilter.Linear;
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}
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public static void DrawSkyBox(Matrix4 RotationMatrix)
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{
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GL.Enable(EnableCap.DepthTest);
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GL.DepthFunc(DepthFunction.Lequal);
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GL.Enable(EnableCap.CullFace);
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GL.CullFace(CullFaceMode.Front);
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GL.Enable(EnableCap.LineSmooth);
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GL.Enable(EnableCap.StencilTest);
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GL.StencilOp(StencilOp.Keep, StencilOp.Keep, StencilOp.Replace);
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SFGraphics.GLObjects.Shaders.Shader shader = OpenTKSharedResources.shaders["HDRSkyBox"];
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shader.UseProgram();
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// enable seamless cubemap sampling for lower mip levels in the pre-filter map.
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GL.Enable(EnableCap.TextureCubeMapSeamless);
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Matrix4 proj = Matrix4.Identity;
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shader.SetMatrix4x4("projection", ref proj);
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Matrix4 rot = RotationMatrix;
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shader.SetMatrix4x4("rotView", ref rot);
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// shader.SetTexture("environmentMap", diffusePbr, 16);
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DrawCube();
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}
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public static void DrawCube()
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{
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int cubeVBO = 0;
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if (cubeVBO == 0)
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{
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float[] vertices = {
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// back face
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-1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, // bottom-left
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1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f, // top-right
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1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f, // bottom-right
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1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f, // top-right
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-1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, // bottom-left
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-1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f, // top-left
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// front face
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-1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, // bottom-left
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1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, // bottom-right
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1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, // top-right
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1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, // top-right
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-1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, // top-left
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-1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, // bottom-left
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// left face
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-1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, // top-right
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-1.0f, 1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 1.0f, // top-left
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-1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f, // bottom-left
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-1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f, // bottom-left
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-1.0f, -1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, // bottom-right
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-1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, // top-right
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// right face
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1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, // top-left
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1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, // bottom-right
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1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, // top-right
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1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, // bottom-right
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1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, // top-left
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1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, // bottom-left
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// bottom face
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-1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, // top-right
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1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 1.0f, // top-left
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1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f, // bottom-left
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1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f, // bottom-left
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-1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, // bottom-right
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-1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, // top-right
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// top face
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-1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, // top-left
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1.0f, 1.0f , 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, // bottom-right
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1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, // top-right
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1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, // bottom-right
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-1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, // top-left
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-1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f // bottom-left
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};
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GL.GenVertexArrays(1, out cubeVBO);
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GL.GenBuffers(1, out cubeVBO);
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GL.BindBuffer(BufferTarget.ArrayBuffer, cubeVBO);
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GL.BufferData(BufferTarget.ArrayBuffer, 4 * vertices.Length, vertices, BufferUsageHint.StaticDraw);
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GL.BindVertexArray(cubeVBO);
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GL.EnableVertexAttribArray(0);
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GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 8 * sizeof(float), (IntPtr)0);
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GL.EnableVertexAttribArray(1);
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GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 8 * sizeof(float), (IntPtr)(3 * sizeof(float)));
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GL.EnableVertexAttribArray(2);
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GL.VertexAttribPointer(2, 2, VertexAttribPointerType.Float, false, 8 * sizeof(float), (IntPtr)(6 * sizeof(float)));
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GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
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GL.BindVertexArray(0);
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}
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GL.BindVertexArray(cubeVBO);
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GL.DrawArrays(PrimitiveType.Triangles, 0, 36);
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GL.BindVertexArray(0);
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}
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public static void DrawCube(Vector3 center, float size)
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{
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DrawRectangularPrism(center, size, size, size, false);
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}
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public static void DrawRectangularPrism(Vector3 center, float sizeX, float sizeY, float sizeZ, bool useWireFrame = false)
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{
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PrimitiveType primitiveType = PrimitiveType.Quads;
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if (useWireFrame)
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{
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GL.LineWidth(2);
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primitiveType = PrimitiveType.LineLoop;
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}
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GL.Begin(primitiveType);
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GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z - sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z - sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z + sizeZ);
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GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z + sizeZ);
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GL.End();
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GL.Begin(primitiveType);
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GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z + sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z + sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z - sizeZ);
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GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z - sizeZ);
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GL.End();
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GL.Begin(primitiveType);
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GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z + sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z + sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z + sizeZ);
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GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z + sizeZ);
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GL.End();
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GL.Begin(primitiveType);
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GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z - sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z - sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z - sizeZ);
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GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z - sizeZ);
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GL.End();
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GL.Begin(primitiveType);
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GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z + sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z - sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z - sizeZ);
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GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z + sizeZ);
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GL.End();
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GL.Begin(primitiveType);
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GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z - sizeZ);
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GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z + sizeZ);
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GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z + sizeZ);
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GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z - sizeZ);
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GL.End();
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}
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}
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}
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