using System; using System.Collections.Generic; using System.Linq; using System.Drawing; using System.Threading.Tasks; using GL_EditorFramework.GL_Core; using GL_EditorFramework.Interfaces; using GL_EditorFramework.EditorDrawables; using GL_EditorFramework; using OpenTK; using OpenTK.Graphics.OpenGL; namespace Switch_Toolbox.Library.Rendering { public class DrawableFloor : AbstractGlDrawable { public enum Type { Grid, Solid, Texture, } private ShaderProgram gridShaderProgram; int vbo_position; public void Destroy() { bool buffersWereInitialized = vbo_position != 0; if (!buffersWereInitialized) return; GL.DeleteBuffer(vbo_position); } public List FillVertices(int amount, int size) { var vertices = new List(); for (var i = -amount; i <= amount; i++) { vertices.Add(new Vector3(-amount * size, 0f, i * size)); vertices.Add(new Vector3(amount * size, 0f, i * size)); vertices.Add(new Vector3(i * size, 0f, -amount * size)); vertices.Add(new Vector3(i * size, 0f, amount * size)); } return vertices; } public static int CellAmount; public static int CellSize; Vector3[] Vertices { get { return FillVertices(CellAmount, CellSize).ToArray(); } } public void UpdateVertexData() { CellSize = (int)Runtime.gridSettings.CellSize; CellAmount = (int)Runtime.gridSettings.CellAmount; Vector3[] vertices = Vertices; GL.GenBuffers(1, out vbo_position); GL.BindBuffer(BufferTarget.ArrayBuffer, vbo_position); GL.BufferData(BufferTarget.ArrayBuffer, new IntPtr(vertices.Length * Vector3.SizeInBytes), vertices, BufferUsageHint.StaticDraw); } public override void Draw(GL_ControlModern control, Pass pass) { if (pass == Pass.TRANSPARENT) return; bool buffersWereInitialized = vbo_position != 0; if (!buffersWereInitialized) UpdateVertexData(); if (!Runtime.OpenTKInitialized) return; // GL.Disable(EnableCap.CullFace); control.CurrentShader = gridShaderProgram; control.UpdateModelMatrix(Matrix4.Identity); Matrix4 previewScale = Utils.TransformValues(Vector3.Zero, Vector3.Zero, Runtime.previewScale); gridShaderProgram.SetMatrix4x4("previewScale", ref previewScale); gridShaderProgram.EnableVertexAttributes(); Draw(gridShaderProgram); gridShaderProgram.DisableVertexAttributes(); GL.UseProgram(0); // GL.Enable(EnableCap.CullFace); } private void Attributes(ShaderProgram shader) { GL.BindBuffer(BufferTarget.ArrayBuffer, vbo_position); GL.VertexAttribPointer(shader.GetAttribute("vPosition"), 3, VertexAttribPointerType.Float, false, 12, 0); } private void Uniforms(ShaderProgram shader) { shader.SetVector3("gridColor", ColorUtility.ToVector3(Runtime.gridSettings.color)); } private void Draw(ShaderProgram shader) { Uniforms(shader); Attributes(shader); GL.DrawArrays(PrimitiveType.Lines, 0, Vertices.Length); } public override void Draw(GL_ControlLegacy control, Pass pass) { if (pass == Pass.TRANSPARENT) return; var size = Runtime.gridSettings.CellSize; var amount = Runtime.gridSettings.CellAmount; var color = Runtime.gridSettings.color; GL.UseProgram(0); // GL.MatrixMode(MatrixMode.Modelview); GL.PushAttrib(AttribMask.AllAttribBits); var trans = Matrix4.Identity; // GL.LoadMatrix(ref trans); GL.LineWidth(1f); GL.Color3(color); GL.Begin(PrimitiveType.Lines); for (var i = -amount; i <= amount; i++) { GL.Vertex3(new Vector3(-amount * size, 0f, i * size)); GL.Vertex3(new Vector3(amount * size, 0f, i * size)); GL.Vertex3(new Vector3(i * size, 0f, -amount * size)); GL.Vertex3(new Vector3(i * size, 0f, amount * size)); } GL.End(); GL.Color3(Color.Transparent); GL.PopAttrib(); } public override void Prepare(GL_ControlModern control) { var solidColorFrag = new FragmentShader( @"#version 330 uniform vec3 gridColor; void main(){ gl_FragColor = vec4(gridColor, 1); }"); var solidColorVert = new VertexShader( @"#version 330 in vec3 vPosition; uniform mat4 mtxMdl; uniform mat4 mtxCam; void main(){ gl_Position = mtxMdl * mtxCam * vec4(vPosition.xyz, 1); }"); gridShaderProgram = new ShaderProgram(solidColorFrag, solidColorVert); } public override void Prepare(GL_ControlLegacy control) { } } }