public static void Draw(GL_ControlModern control, Pass pass, Vector4 boxColor, Vector4 outlineColor, Vector4 pickingColor)
{
if (pass == Pass.OPAQUE)
{
control.CurrentShader = DefaultShaderProgram;
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, Framework.TextureSheet);
DefaultShaderProgram.SetVector4("color", boxColor);
blockVao.Use(control);
GL.DrawArrays(PrimitiveType.Quads, 0, 24);
#region outlines
GL.LineWidth(1);
control.CurrentShader = SolidColorShaderProgram;
SolidColorShaderProgram.SetVector4("color", outlineColor);
linesVao.Use(control);
GL.DrawArrays(PrimitiveType.Lines, 0, 24);
GL.LineWidth(2);
#endregion
}
else
{
control.CurrentShader = SolidColorShaderProgram;
SolidColorShaderProgram.SetVector4("color", pickingColor);
blockVao.Use(control);
GL.DrawArrays(PrimitiveType.Quads, 0, 24);
}
}
public static void Initialize(GL_ControlModern control)
{
if (DefaultShaderProgram != null && DefaultShaderProgram.programs.ContainsKey(control))
{
return;
}
if (DefaultShaderProgram == null)
{
var solidColorFrag = new FragmentShader(
@"#version 330
uniform vec4 color;
out vec4 fragColor;
void main(){
fragColor = color;
}");
var solidColorVert = new VertexShader(
@"#version 330
layout(location = 0) in vec4 position;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
void main(){
gl_Position = mtxCam*mtxMdl*position;
}");
var defaultFrag = new FragmentShader(
@"#version 330
uniform vec4 color;
in vec3 viewPosition;
in vec3 normal;
void main(){
gl_FragColor = color;
}");
var defaultVert = new VertexShader(
@"#version 330
layout(location = 0) in vec3 position;
layout(location = 1) in vec3 vNormal;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
out vec3 normal;
out vec3 viewPosition;
void main(){
normal = vNormal;
viewPosition = position;
gl_Position = mtxCam*mtxMdl*vec4(position, 1);
}");
DefaultShaderProgram = new ShaderProgram(defaultFrag, defaultVert, control);
SolidColorShaderProgram = new ShaderProgram(solidColorFrag, solidColorVert, control);
int buffer = GL.GenBuffer();
sphereVao = new VertexArrayObject(buffer);
sphereVao.AddAttribute(0, 3, VertexAttribPointerType.Float, false, 24, 0);
sphereVao.AddAttribute(1, 3, VertexAttribPointerType.Float, false, 24, 12);
sphereVao.Initialize(control);
List <float> list = new List <float>();
Vertices = GetVertices(1, 32);
for (int i = 0; i < Vertices.Length; i++)
{
list.Add(Vertices[i].Position.X);
list.Add(Vertices[i].Position.Y);
list.Add(Vertices[i].Position.Z);
list.Add(Vertices[i].Normal.X);
list.Add(Vertices[i].Normal.Y);
list.Add(Vertices[i].Normal.Z);
}
float[] data = list.ToArray();
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.StaticDraw);
}
else
{
sphereVao.Initialize(control);
DefaultShaderProgram.Link(control);
SolidColorShaderProgram.Link(control);
}
}
public static void Draw(GL_ControlModern control, Pass pass,
Vector4 sphereColor, Vector4 outlineColor, bool xray = false)
{
if (DefaultShaderProgram == null)
{
return;
}
Initialize(control);
sphereVao.Enable(control);
if (pass == Pass.PICKING)
{
control.CurrentShader = SolidColorShaderProgram;
control.CurrentShader.SetVector4("color", control.NextPickingColor());
sphereVao.Use(control);
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, Vertices.Length);
return;
}
if (pass == Pass.OPAQUE && outlineColor.W != 0)
{
GL.Enable(EnableCap.StencilTest);
GL.Clear(ClearBufferMask.StencilBufferBit);
GL.ClearStencil(0);
GL.StencilFunc(StencilFunction.Always, 0x1, 0x1);
GL.StencilOp(StencilOp.Keep, StencilOp.Replace, StencilOp.Replace);
}
if (pass == Pass.OPAQUE && !xray || pass == Pass.TRANSPARENT && xray)
{
control.CurrentShader = DefaultShaderProgram;
DefaultShaderProgram.SetVector4("color", sphereColor);
sphereVao.Use(control);
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, Vertices.Length);
}
if (pass == Pass.OPAQUE && outlineColor.W != 0)
{
GL.ColorMask(false, false, false, false);
GL.DepthMask(false);
sphereVao.Use(control);
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, Vertices.Length);
GL.ColorMask(true, true, true, true);
GL.DepthMask(true);
}
GL.Disable(EnableCap.Blend);
if (pass == Pass.OPAQUE && outlineColor.W != 0)
{
control.CurrentShader = SolidColorShaderProgram;
control.CurrentShader.SetVector4("color", new Vector4(outlineColor.Xyz, 1));
GL.LineWidth(3.0f);
GL.StencilFunc(StencilFunction.Equal, 0x0, 0x1);
GL.StencilOp(StencilOp.Keep, StencilOp.Keep, StencilOp.Replace);
//GL.DepthFunc(DepthFunction.Always);
GL.PolygonMode(MaterialFace.Front, PolygonMode.Line);
sphereVao.Use(control);
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, Vertices.Length);
GL.PolygonMode(MaterialFace.Front, PolygonMode.Fill);
//GL.DepthFunc(DepthFunction.Lequal);
GL.Disable(EnableCap.StencilTest);
GL.LineWidth(2);
}
}
public static void Initialize(GL_ControlModern control)
{
if (!Initialized)
{
var defaultFrag = new FragmentShader(
@"#version 330
uniform sampler2D tex;
in vec4 fragColor;
in vec3 fragPosition;
in vec2 uv;
void main(){
gl_FragColor = fragColor*((fragPosition.y+2)/3)*texture(tex, uv, 100);
}");
var solidColorFrag = new FragmentShader(
@"#version 330
uniform vec4 color;
void main(){
gl_FragColor = color;
}");
var defaultVert = new VertexShader(
@"#version 330
layout(location = 0) in vec4 position;
uniform vec4 color;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
out vec4 fragColor;
out vec3 fragPosition;
out vec2 uv;
vec2 map(vec2 value, vec2 min1, vec2 max1, vec2 min2, vec2 max2) {
return min2 + (value - min1) * (max2 - min2) / (max1 - min1);
}
void main(){
fragPosition = position.xyz;
uv = map(fragPosition.xz,vec2(-1.0625,-1.0625),vec2(1.0625,1.0625), vec2(0.5,0.5), vec2(0.75,1.0));
gl_Position = mtxCam*mtxMdl*position;
fragColor = color;
}");
var solidColorVert = new VertexShader(
@"#version 330
layout(location = 0) in vec4 position;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
void main(){
gl_Position = mtxCam*mtxMdl*position;
}");
DefaultShaderProgram = new ShaderProgram(defaultFrag, defaultVert, control);
SolidColorShaderProgram = new ShaderProgram(solidColorFrag, solidColorVert, control);
int buffer;
#region block
buffer = GL.GenBuffer();
blockVao = new VertexArrayObject(buffer);
blockVao.AddAttribute(0, 3, VertexAttribPointerType.Float, false, sizeof(float) * 3, 0);
blockVao.Initialize(control);
List <float> list = new List <float>();
Face(ref points, ref list, 0, 1, 2, 3);
FaceInv(ref points, ref list, 4, 5, 6, 7);
FaceInv(ref points, ref list, 0, 1, 4, 5);
Face(ref points, ref list, 2, 3, 6, 7);
Face(ref points, ref list, 0, 2, 4, 6);
FaceInv(ref points, ref list, 1, 3, 5, 7);
float[] data = list.ToArray();
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.StaticDraw);
#endregion
#region lines
buffer = GL.GenBuffer();
linesVao = new VertexArrayObject(buffer);
linesVao.AddAttribute(0, 3, VertexAttribPointerType.Float, false, sizeof(float) * 3, 0);
linesVao.Initialize(control);
list = new List <float>();
LineFace(ref points, ref list, 0, 1, 2, 3);
LineFace(ref points, ref list, 4, 5, 6, 7);
Line(ref points, ref list, 0, 4);
Line(ref points, ref list, 1, 5);
Line(ref points, ref list, 2, 6);
Line(ref points, ref list, 3, 7);
data = list.ToArray();
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.StaticDraw);
#endregion
Initialized = true;
}
else
{
DefaultShaderProgram.Link(control);
SolidColorShaderProgram.Link(control);
blockVao.Initialize(control);
linesVao.Initialize(control);
}
}
public static void Initialize(GL_ControlModern control, float scale)
{
if (DefaultShaderProgram != null && DefaultShaderProgram.programs.ContainsKey(control))
{
return;
}
if (DefaultShaderProgram == null)
{
var solidColorFrag = new FragmentShader(
@"#version 330
uniform vec4 color;
out vec4 fragColor;
void main(){
fragColor = color;
}");
var solidColorVert = new VertexShader(
@"#version 330
layout(location = 0) in vec4 position;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
void main(){
gl_Position = mtxCam*mtxMdl*position;
}");
var defaultFrag = new FragmentShader(
@"#version 330
uniform vec4 highlight_color;
uniform sampler2D texture0;
in vec3 viewPosition;
in vec3 normal;
in vec2 f_texcoord0;
out vec4 fragColor;
void main(){
vec4 color = texture(texture0,f_texcoord0);
float hc_a = highlight_color.w;
vec4 colorComb = vec4(color.rgb * (1-hc_a) + highlight_color.rgb * hc_a, color.a);
vec3 displayNormal = (normal.xyz * 0.5) + 0.5;
float halfLambert = max(displayNormal.y,0.5);
vec4 colorOutput = vec4(colorComb.rgb * halfLambert, colorComb.a);
fragColor = colorOutput;
}");
var defaultVert = new VertexShader(
@"#version 330
layout(location = 0) in vec3 position;
layout(location = 1) in vec3 vNormal;
layout(location = 2) in vec2 vTexCoord;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
out vec3 normal;
out vec3 viewPosition;
out vec2 f_texcoord0;
void main(){
normal = vNormal;
viewPosition = position;
f_texcoord0 = vTexCoord;
gl_Position = mtxCam*mtxMdl*vec4(position, 1);
}");
DefaultShaderProgram = new ShaderProgram(defaultFrag, defaultVert, control);
SolidColorShaderProgram = new ShaderProgram(solidColorFrag, solidColorVert, control);
int buffer = GL.GenBuffer();
sphereVao = new VertexArrayObject(buffer);
sphereVao.AddAttribute(0, 3, VertexAttribPointerType.Float, false, 32, 0);
sphereVao.AddAttribute(1, 3, VertexAttribPointerType.Float, false, 32, 12);
sphereVao.AddAttribute(2, 2, VertexAttribPointerType.Float, false, 32, 24);
sphereVao.Initialize(control);
List <float> list = new List <float>();
Vertices = GetVertices(scale);
for (int i = 0; i < Vertices.Length; i++)
{
list.Add(Vertices[i].Position.X);
list.Add(Vertices[i].Position.Y);
list.Add(Vertices[i].Position.Z);
list.Add(Vertices[i].Normal.X);
list.Add(Vertices[i].Normal.Y);
list.Add(Vertices[i].Normal.Z);
list.Add(Vertices[i].TexCoord.X);
list.Add(Vertices[i].TexCoord.Y);
}
float[] data = list.ToArray();
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.StaticDraw);
}
else
{
sphereVao.Initialize(control);
DefaultShaderProgram.Link(control);
SolidColorShaderProgram.Link(control);
}
}
public void Draw(GL_ControlModern control, Pass pass,
Vector4 sphereColor, Vector4 outlineColor)
{
Initialize(control, Scale);
if (pass == Pass.TRANSPARENT)
{
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
GL.Enable(EnableCap.Blend);
}
sphereVao.Enable(control);
if (pass == Pass.PICKING)
{
control.CurrentShader = SolidColorShaderProgram;
control.CurrentShader.SetVector4("color", control.NextPickingColor());
sphereVao.Use(control);
GL.DrawArrays(PrimitiveType.Quads, 0, Vertices.Length);
return;
}
else
{
}
if (pass == Pass.OPAQUE && outlineColor.W != 0)
{
GL.Enable(EnableCap.StencilTest);
GL.Clear(ClearBufferMask.StencilBufferBit);
GL.ClearStencil(0);
GL.StencilFunc(StencilFunction.Always, 0x1, 0x1);
GL.StencilOp(StencilOp.Keep, StencilOp.Replace, StencilOp.Replace);
}
if (pass == PlanePass)
{
control.CurrentShader = DefaultShaderProgram;
DefaultShaderProgram.SetVector4("highlight_color", sphereColor);
if (Texture != null)
{
GL.ActiveTexture(TextureUnit.Texture0 + 1);
DefaultShaderProgram.SetInt("texture0", 1);
if (Texture.RenderableTex == null || !Texture.RenderableTex.GLInitialized)
{
Texture.LoadOpenGLTexture();
}
GL.BindTexture(TextureTarget.Texture2D, Texture.RenderableTex.TexID);
}
sphereVao.Use(control);
GL.DrawArrays(PrimitiveType.Quads, 0, Vertices.Length);
}
if (pass == Pass.OPAQUE && outlineColor.W != 0)
{
GL.ColorMask(false, false, false, false);
GL.DepthMask(false);
sphereVao.Use(control);
GL.DrawArrays(PrimitiveType.Quads, 0, Vertices.Length);
GL.ColorMask(true, true, true, true);
GL.DepthMask(true);
}
GL.Disable(EnableCap.Blend);
if (pass == Pass.OPAQUE && outlineColor.W != 0)
{
control.CurrentShader = SolidColorShaderProgram;
control.CurrentShader.SetVector4("color", new Vector4(outlineColor.Xyz, 1));
GL.LineWidth(3.0f);
GL.StencilFunc(StencilFunction.Equal, 0x0, 0x1);
GL.StencilOp(StencilOp.Keep, StencilOp.Keep, StencilOp.Replace);
//GL.DepthFunc(DepthFunction.Always);
GL.PolygonMode(MaterialFace.Front, PolygonMode.Line);
sphereVao.Use(control);
GL.DrawArrays(PrimitiveType.Quads, 0, Vertices.Length);
GL.PolygonMode(MaterialFace.Front, PolygonMode.Fill);
//GL.DepthFunc(DepthFunction.Lequal);
GL.Disable(EnableCap.StencilTest);
GL.LineWidth(2);
}
}