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Switch-Toolbox/Switch_Toolbox_Library/Rendering/RenderTools.cs

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Add tool library
2018-11-12 01:48:33 +01:00
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SFGraphics.GLObjects.Textures;
using SFGraphics.GLObjects.Textures.TextureFormats;
using OpenTK;
using OpenTK.Graphics.OpenGL;
using Smash_Forge.Rendering;
namespace Switch_Toolbox.Library
{
public class RenderTools
{
public static Texture2D defaultTex;
public static TextureCubeMap diffusePbr;
public static TextureCubeMap specularPbr;
public static Texture2D uvTestPattern;
public static void LoadTextures()
{
defaultTex = new Texture2D();
defaultTex.LoadImageData(Properties.Resources.DefaultTexture);
uvTestPattern = new Texture2D();
uvTestPattern.LoadImageData(Properties.Resources.UVPattern);
// DDS specularSdr = new DDS(Properties.Resources.specularSDR);
// specularPbr = NUT.CreateTextureCubeMap(specularSdr.ToNutTexture());
// DDS diffuseSdr = new DDS(Properties.Resources.diffuseSDR);
// diffusePbr = CreateTextureCubeMap(bntx.textureData.texture);
// Don't use mipmaps.
// diffusePbr.MinFilter = TextureMinFilter.Linear;
// diffusePbr.MagFilter = TextureMagFilter.Linear;
}
public static void DrawSkyBox(Matrix4 RotationMatrix)
{
GL.Enable(EnableCap.DepthTest);
GL.DepthFunc(DepthFunction.Lequal);
GL.Enable(EnableCap.CullFace);
GL.CullFace(CullFaceMode.Front);
GL.Enable(EnableCap.LineSmooth);
GL.Enable(EnableCap.StencilTest);
GL.StencilOp(StencilOp.Keep, StencilOp.Keep, StencilOp.Replace);
SFGraphics.GLObjects.Shaders.Shader shader = OpenTKSharedResources.shaders["HDRSkyBox"];
shader.UseProgram();
// enable seamless cubemap sampling for lower mip levels in the pre-filter map.
GL.Enable(EnableCap.TextureCubeMapSeamless);
Matrix4 proj = Matrix4.Identity;
shader.SetMatrix4x4("projection", ref proj);
Matrix4 rot = RotationMatrix;
shader.SetMatrix4x4("rotView", ref rot);
// shader.SetTexture("environmentMap", diffusePbr, 16);
DrawCube();
}
public static void DrawCube()
{
int cubeVBO = 0;
if (cubeVBO == 0)
{
float[] vertices = {
// back face
-1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, // bottom-left
1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f, // top-right
1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f, // bottom-right
1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f, // top-right
-1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, // bottom-left
-1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f, // top-left
// front face
-1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, // bottom-left
1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, // bottom-right
1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, // top-right
1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, // top-right
-1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, // top-left
-1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, // bottom-left
// left face
-1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, // top-right
-1.0f, 1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 1.0f, // top-left
-1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f, // bottom-left
-1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f, // bottom-left
-1.0f, -1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, // bottom-right
-1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, // top-right
// right face
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, // top-left
1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, // bottom-right
1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, // top-right
1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, // bottom-right
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, // top-left
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, // bottom-left
// bottom face
-1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, // top-right
1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 1.0f, // top-left
1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f, // bottom-left
1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f, // bottom-left
-1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, // bottom-right
-1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, // top-right
// top face
-1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, // top-left
1.0f, 1.0f , 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, // bottom-right
1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, // top-right
1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, // bottom-right
-1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, // top-left
-1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f // bottom-left
};
GL.GenVertexArrays(1, out cubeVBO);
GL.GenBuffers(1, out cubeVBO);
GL.BindBuffer(BufferTarget.ArrayBuffer, cubeVBO);
GL.BufferData(BufferTarget.ArrayBuffer, 4 * vertices.Length, vertices, BufferUsageHint.StaticDraw);
GL.BindVertexArray(cubeVBO);
GL.EnableVertexAttribArray(0);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 8 * sizeof(float), (IntPtr)0);
GL.EnableVertexAttribArray(1);
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 8 * sizeof(float), (IntPtr)(3 * sizeof(float)));
GL.EnableVertexAttribArray(2);
GL.VertexAttribPointer(2, 2, VertexAttribPointerType.Float, false, 8 * sizeof(float), (IntPtr)(6 * sizeof(float)));
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindVertexArray(0);
}
GL.BindVertexArray(cubeVBO);
GL.DrawArrays(PrimitiveType.Triangles, 0, 36);
GL.BindVertexArray(0);
}
public static void DrawCube(Vector3 center, float size)
{
DrawRectangularPrism(center, size, size, size, false);
}
public static void DrawRectangularPrism(Vector3 center, float sizeX, float sizeY, float sizeZ, bool useWireFrame = false)
{
PrimitiveType primitiveType = PrimitiveType.Quads;
if (useWireFrame)
{
GL.LineWidth(2);
primitiveType = PrimitiveType.LineLoop;
}
GL.Begin(primitiveType);
GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z - sizeZ);
GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z - sizeZ);
GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z + sizeZ);
GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z + sizeZ);
GL.End();
GL.Begin(primitiveType);
GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z + sizeZ);
GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z + sizeZ);
GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z - sizeZ);
GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z - sizeZ);
GL.End();
GL.Begin(primitiveType);
GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z + sizeZ);
GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z + sizeZ);
GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z + sizeZ);
GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z + sizeZ);
GL.End();
GL.Begin(primitiveType);
GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z - sizeZ);
GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z - sizeZ);
GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z - sizeZ);
GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z - sizeZ);
GL.End();
GL.Begin(primitiveType);
GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z + sizeZ);
GL.Vertex3(center.X - sizeX, center.Y + sizeY, center.Z - sizeZ);
GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z - sizeZ);
GL.Vertex3(center.X - sizeX, center.Y - sizeY, center.Z + sizeZ);
GL.End();
GL.Begin(primitiveType);
GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z - sizeZ);
GL.Vertex3(center.X + sizeX, center.Y + sizeY, center.Z + sizeZ);
GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z + sizeZ);
GL.Vertex3(center.X + sizeX, center.Y - sizeY, center.Z - sizeZ);
GL.End();
}
}
}
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