public void CompileProgram(string vertCode, string fragCode)
{
if (ProgramID > 0)
{
TryGL.Call(() => GL.DeleteProgram(ProgramID));
}
variableIDs.Clear();
ProgramID = GL.CreateProgram();
CompileShader(vertCode, ShaderType.VertexShader);
CompileShader(fragCode, ShaderType.FragmentShader);
string info = "";
int statusCode = -1;
//TryGL.Call(() => GL.BindAttribLocation(ProgramID, 0, "vertexPosition"));
//TryGL.Call(() => GL.BindAttribLocation(ProgramID, 1, "vertexUV"));
//TryGL.Call(() => GL.BindAttribLocation(ProgramID, 2, "vertexNormal"));
TryGL.Call(() => GL.LinkProgram(ProgramID));
TryGL.Call(() => GL.GetProgramInfoLog(ProgramID, out info));
TryGL.Call(() => GL.GetProgram(ProgramID, GetProgramParameterName.LinkStatus, out statusCode));
if (statusCode != 1)
{
Console.WriteLine("Failed to link shader program.");
Console.WriteLine(info);
Console.WriteLine("Status Code: " + statusCode);
TryGL.Call(() => GL.DeleteProgram(ProgramID));
ProgramID = 0;
throw new Exception("Failed to link shader program");
}
Console.WriteLine("Linked shader program.");
}
private void CompileShader(string code, ShaderType type)
{
int shaderID = GL.CreateShader(type);
string info = "";
int statusCode = -1;
TryGL.Call(() => GL.ShaderSource(shaderID, code));
TryGL.Call(() => GL.CompileShader(shaderID));
TryGL.Call(() => GL.GetShaderInfoLog(shaderID, out info));
TryGL.Call(() => GL.GetShader(shaderID, ShaderParameter.CompileStatus, out statusCode));
if (statusCode != 1)
{
Console.WriteLine("Failed to compile shader source, type: " + type.ToString());
Console.WriteLine(info);
Console.WriteLine("Status Code: " + statusCode);
TryGL.Call(() => GL.DeleteShader(shaderID));
TryGL.Call(() => GL.DeleteProgram(ProgramID));
ProgramID = 0;
throw new Exception("Failed to compile shader source, type: " + type.ToString());
}
Console.WriteLine("Compiled shader, type: " + type.ToString());
TryGL.Call(() => GL.AttachShader(ProgramID, shaderID));
TryGL.Call(() => GL.DeleteShader(shaderID));
}
void onResize(object sender, EventArgs e)
{
TryGL.Call(() => GL.Viewport(0, 0, gameWindow.Width, gameWindow.Height));
settings.windowWidth.value = gameWindow.Width;
settings.windowHeight.value = gameWindow.Height;
settings.save();
}
void onLoad(object sender, EventArgs e)
{
Console.Out.WriteLine("onLoad");
gameWindow.VSync = VSyncMode.On;
Console.WriteLine("OpenGL version: {0}", GL.GetString(StringName.Version));
Console.WriteLine("Current GLSL version: {0}", GL.GetString(StringName.ShadingLanguageVersion));
TryGL.Call(() => GL.ClearColor(0.2f, 0.0f, 0.2f, 1.0f));
TryGL.Call(() => GL.Enable(EnableCap.DepthTest));
TryGL.Call(() => GL.Enable(EnableCap.CullFace));
TryGL.Call(() => GL.CullFace(CullFaceMode.Back));
TryGL.Call(() => GL.Enable(EnableCap.Blend));
resetBlending();
TryGL.Call(() => GL.BlendEquation(BlendEquationMode.FuncAdd));
int VAO = GL.GenVertexArray();
GL.BindVertexArray(VAO);
shader = new ShaderProgram();
shader.LoadAndCompileProrgam(dirShaders + "world.vert.glsl", dirShaders + "world.frag.glsl");
TextureControl.loadTextures();
heavyThread.Start();
loadedMap = new Map(this, "debugMap");
player = new ActorPlayer();
loadedMap.newActor(player);
//loadedMap.newActor(new ActorPlayer(loadedMap.actorMaker));
//loadedMap.newActor(new ActorPlayer(loadedMap.actorMaker));
matrixProjection = Matrix4.CreatePerspectiveFieldOfView(MathHelper.PiOver2, (float)gameWindow.Width / (float)gameWindow.Height, NEAR, FAR);
matrixModel = Matrix4.Identity;
matrixCamera = Matrix4.Identity;
player.position.X = 64;
player.position.Y = 128;
player.position.Z = 64;
player.target = player.position;
hud.onLoad();
markerModel = ModelControl.getModel("marker");
}
public void drawRender()
{
//Console.Out.WriteLine("Draw chunk: " + Location.X + ", " + Location.Y);
switch (compileState)
{
case COMP_STATUS.NEEDS_TO_BE_MADE: {
compileState = COMP_STATUS.CURRENTLY_MAKING;
makeThread.Start();
return;
}
case COMP_STATUS.NEEDS_TO_BE_COMPILED: {
compileRender();
compileState = COMP_STATUS.READY_TO_RENDER;
return;
}
case COMP_STATUS.READY_TO_RENDER: {
/*if (this as Chunk != null) {
* Console.Out.WriteLine("Draw chunk: {0}, {1} VBO:[{2}, {3}] elCount={4}", (this as Chunk).Location.X, (this as Chunk).Location.Y, VBOIDs[0], VBOIDs[1], elementCount);
* }else if (this as Actor != null) {
* Console.Out.WriteLine("Draw actor: {0} VBO:[{1}, {2}] elCount={3}", (this as Actor).ID, VBOIDs[0], VBOIDs[1], elementCount);
* }*/
TryGL.Call(() => GL.BindBuffer(BufferTarget.ArrayBuffer, VBOIDs[0]));
TryGL.Call(() => GL.BindBuffer(BufferTarget.ElementArrayBuffer, VBOIDs[1]));
TryGL.Call(() => GL.EnableVertexAttribArray(0)); //Positions
TryGL.Call(() => GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, Vertex.StrideToEnd, Vertex.StrideToPosition));
TryGL.Call(() => GL.EnableVertexAttribArray(1)); //UV
TryGL.Call(() => GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, Vertex.StrideToEnd, Vertex.StrideToUV));
TryGL.Call(() => GL.EnableVertexAttribArray(2)); //Normals
TryGL.Call(() => GL.VertexAttribPointer(2, 3, VertexAttribPointerType.Float, false, Vertex.StrideToEnd, Vertex.StrideToNormal));
TryGL.Call(() => GL.DrawElements(PrimitiveType.Triangles, elementCount, DrawElementsType.UnsignedInt, (IntPtr)null));
//GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
//GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
return;
}
case COMP_STATUS.NEEDS_TO_BE_REMOVED: {
cleanupRender();
return;
}
}
}
internal void make()
{
id = GL.GenTexture();
TryGL.Call(() => GL.BindTexture(TextureTarget.Texture2DArray, id));
TryGL.Call(() => GL.TexStorage3D(TextureTarget3d.Texture2DArray, 1, SizedInternalFormat.Rgba8, size, size, names.Count));
TryGL.Call(() => GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear));
TryGL.Call(() => GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear));
TryGL.Call(() => GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat));
TryGL.Call(() => GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat));
if (subdivide)
{
coords = new Vector3[names.Count, scale, scale, 4];
for (int index = 0; index < names.Count; index++)
{
loadTexture(Game.dirTextures + folder + "/" + names[index] + ".png", index);
for (int i = 0; i < scale; i++)
{
for (int j = 0; j < scale; j++)
{
float x1 = i * (1.0f / scale);
float y1 = j * (1.0f / scale);
float x2 = (i + 1) * (1.0f / scale);
float y2 = (j + 1) * (1.0f / scale);
coords[index, i, j, 0] = new Vector3(x1, y1, index);
coords[index, i, j, 1] = new Vector3(x2, y1, index);
coords[index, i, j, 2] = new Vector3(x1, y2, index);
coords[index, i, j, 3] = new Vector3(x2, y2, index);
}
}
}
}
else
{
coords = new Vector3[names.Count, 1, 1, 4];
for (int index = 0; index < names.Count; index++)
{
loadTexture(Game.dirTextures + folder + "/" + names[index] + ".png", index);
coords[index, 0, 0, 0] = new Vector3(0, 0, index);
coords[index, 0, 0, 1] = new Vector3(1, 0, index);
coords[index, 0, 0, 2] = new Vector3(0, 1, index);
coords[index, 0, 0, 3] = new Vector3(1, 1, index);
}
}
}
void onRenderFrame(object sender, FrameEventArgs e)
{
FPS = 1.0 / e.Time;
TryGL.Call(() => GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit));
shader.use();
GL.Uniform1(shader.GetUniformID("light.directional"), 1);
GL.Uniform3(shader.GetUniformID("light.position"), sunPosition);
GL.Uniform3(shader.GetUniformID("light.color"), sunColor);
//matrixCamera = Matrix4.CreateTranslation(0.0f, 0.0f, 0.0f);
matrixCamera = Matrix4.CreateTranslation(-camPos.X, -camPos.Y, -camPos.Z);
matrixCamera *= Matrix4.CreateRotationY(camAngle.Phi);
matrixCamera *= Matrix4.CreateRotationX(camAngle.Theta);
resetColor();
loadedMap.drawActors(this);
loadedMap.drawChunks(this);
if (markerCooldown > 0)
{
GL.Disable(EnableCap.DepthTest);
setColor(highlightColor, true);
matrixModel = Matrix4.CreateTranslation(editor.active ? editor.focusPosition : player.target);
setModel();
markerModel.drawRender();
GL.Enable(EnableCap.DepthTest);
resetColor();
resetBlending();
markerCooldown--;
}
gameWindow.SwapBuffers();
rayWasUpdated = false;
}
public void loadTexture(string path, int index)
{
if (File.Exists(path))
{
using (Bitmap bmp = new Bitmap(path)) {
BitmapData bmpData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
TryGL.Call(() => GL.TexSubImage3D(TextureTarget.Texture2DArray, 0, 0, 0, index, bmp.Width, bmp.Height, 1, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, bmpData.Scan0));
bmp.UnlockBits(bmpData);
bmp.Dispose();
Console.WriteLine("Texture loaded: {0}", path);
}
}
else
{
Console.WriteLine("{0} does not exist.", path);
}
}
//HORRIBLY SLOW:
/*public void tryToAdd(ref Vector3 p, ref Vector3 normal, ref Vector2 UV, ref Dictionary<Vertex, uint> vert, ref List<uint> ind, ref uint nextI) {
* Vertex v = new Vertex(p, UV, normal);
* if (!vert.ContainsKey(v)) {
* vert.Add(v, nextI);
* nextI++;
* }
* ind.Add(vert[v]);
* }*/
public void compileRender()
{
//Console.WriteLine("(Render) Array creation");
Vertex[] vertices = vert.ToArray();
uint[] indecies = ind.ToArray();
elementCount = ind.Count;
Console.Out.WriteLine("(Render) Vert Count = " + vert.Count);
Console.Out.WriteLine("(Render) Ind Count = " + ind.Count);
//Console.WriteLine("(Render) Opengl Chunk compilation calls");
if (VBOIDs == null)
{
VBOIDs = new uint[2];
TryGL.Call(() => GL.GenBuffers(2, VBOIDs));
Console.WriteLine("(Render) New Buffers: [{0}, {1}]", VBOIDs[0], VBOIDs[1]);
}
GL.BindBuffer(BufferTarget.ArrayBuffer, VBOIDs[0]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(Vertex.StrideToEnd * vertices.Length), vertices, BufferUsageHint.StaticDraw);
//GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, VBOIDs[1]);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(sizeof(uint) * indecies.Length), indecies, BufferUsageHint.StaticDraw);
//GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
//Console.WriteLine("(Render) done");
if (!keepVerts)
{
vert = null;
ind = null;
}
}
public void additiveBlending()
{
TryGL.Call(() => GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.One));
}
public void resetBlending()
{
TryGL.Call(() => GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha));
}
public void use()
{
TryGL.Call(() => GL.UseProgram(ProgramID));
}
