protected override void OnRenderFrame(FrameEventArgs e)
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.ClearColor(Color.Blue);
EngineCore.Render();
GL.Flush();
SwapBuffers();
}
public override void Draw()
{
GL.Enable(EnableCap.ClipDistance0);
float dist = 2 * (EngineCore.gameCamera.position.Y - position.Y);
EngineCore.gameCamera.position.Y -= dist;
EngineCore.gameCamera.rotation.X *= -1;
EngineCore.gameCamera.CalculateMatrices(false);
EngineCore.shaders["Default"].SetClippingPlane(new Vector4(0, 1, 0, -position.Y + 0.1f));
reflection.Bind();
EngineCore.RenderWithout(this);
reflection.UnBind();
EngineCore.gameCamera.position.Y += dist;
EngineCore.gameCamera.rotation.X *= -1;
EngineCore.gameCamera.CalculateMatrices(false);
EngineCore.shaders["Default"].SetClippingPlane(new Vector4(0, -1, 0, position.Y + 0.1f));
refraction.Bind();
EngineCore.RenderWithout(this);
refraction.UnBind();
EngineCore.shaders["Default"].SetClippingPlane(new Vector4(0, 0, 0, 0));
GL.Disable(EnableCap.ClipDistance0);
GL.UseProgram(GetShader().ProgramID);
GL.BindVertexArray(GetMesh().vaoID);
GetShader().currentObject = this;
GetShader().Start();
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, reflection.textureAttachment);
GL.ActiveTexture(TextureUnit.Texture1);
GL.BindTexture(TextureTarget.Texture2D, refraction.textureAttachment);
GL.ActiveTexture(TextureUnit.Texture2);
GL.BindTexture(TextureTarget.Texture2D, GetTexture().texID); //DuDv Map
GL.ActiveTexture(TextureUnit.Texture3);
GL.BindTexture(TextureTarget.Texture2D, GetNormalMap().texID);
GL.ActiveTexture(TextureUnit.Texture4);
GL.BindTexture(TextureTarget.Texture2D, refraction.depthTextureAttachment);
GL.DrawElements(PrimitiveType.Triangles, GetMesh().indices.Count, DrawElementsType.UnsignedInt, 0);
GetShader().Stop();
GL.BindVertexArray(0);
}
public FrameBuffer(Vector2 imgScale, string name, bool depthTexture, bool texture = true)
{
this.imgScale = imgScale;
this.texture = texture;
GL.GenFramebuffers(1, out frameBuffer);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, frameBuffer);
if (texture)
{
GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
textureAttachment = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, textureAttachment);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, (int)imgScale.X, (int)imgScale.Y, 0, PixelFormat.Rgb, PixelType.UnsignedByte, (IntPtr)null);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.FramebufferTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, textureAttachment, 0);
}
else
{
GL.DrawBuffer(DrawBufferMode.None);
GL.ReadBuffer(ReadBufferMode.None);
}
if (depthTexture)
{
depthTextureAttachment = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, depthTextureAttachment);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.DepthComponent, (int)imgScale.X, (int)imgScale.Y, 0, PixelFormat.DepthComponent, PixelType.Float, (IntPtr)null);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.FramebufferTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachmentExt, depthTextureAttachment, 0);
}
else
{
GL.GenRenderbuffers(1, out depthBuffer);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, depthBuffer);
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, RenderbufferStorage.DepthComponent, (int)imgScale.X, (int)imgScale.Y);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, RenderbufferTarget.Renderbuffer, depthBuffer);
}
UnBind();
Texture fbo = new Texture(textureAttachment, (int)imgScale.X, (int)imgScale.Y);
EngineCore.AddTexture(fbo, name);
}
public void LoadShaderFromFile(String filename, ShaderType type)
{
string fullFilename = "Assets/Shaders/" + filename;
EngineCore.CheckFilepath(fullFilename);
string shaderBody = File.ReadAllText(fullFilename);
if (type == ShaderType.VertexShader)
{
VShaderID = LoadShader(shaderBody, type);
}
else if (type == ShaderType.FragmentShader)
{
FShaderID = LoadShader(shaderBody, type);
}
}
public void AddUniform(string name, int location, UniformDataType type)
{
EngineCore.CheckDuplicateName(Uniforms.Keys, name);
Uniforms.Add(name, new Uniform(location, type));
UniformsFilled.Add(name, false);
}
public void AddAttribute(string name, int location)
{
EngineCore.CheckDuplicateName(Attributes.Keys, name);
Attributes.Add(name, location);
}
static void Main(string[] args)
{
Window w = new Window(1920, 1080);
EngineCore.AddImage("default.png", "default");
DefaultShader ds = new DefaultShader("default.vert", "default.frag");
String defaultShader = EngineCore.AddShader(ds, "Default");
GUIShader gui = new GUIShader("gui.vert", "gui.frag");
String guiShader = EngineCore.AddShader(gui, "GUI");
WaterShader water = new WaterShader("water.vert", "water.frag");
String waterShader = EngineCore.AddShader(water, "Water");
SkyboxShader skybox = new SkyboxShader("skybox.vert", "skybox.frag");
String skyboxShader = EngineCore.AddShader(skybox, "Skybox");
ShadowShader shadow = new ShadowShader("shadow.vert", "shadow.frag");
String shadowShader = EngineCore.AddShader(shadow, "Shadow");
TerrainShader terrain = new TerrainShader("terrain.vert", "terrain.frag");
String terrainShader = EngineCore.AddShader(terrain, "Terrain");
String cubeModel = EngineCore.AddModel("cubeything.obj", "cube");
String terrainModel = EngineCore.AddModel("terrain.obj", "terrain");
String quad = EngineCore.AddModel("quad.obj", "Quad");
String cubeObj = EngineCore.AddModel("cube.obj", "Cube");
EngineCore.AddModel("tree.obj", "tree");
EngineCore.AddModel("rock.obj", "rock");
Light l = new Light(new Vector3(0, 3, 0), System.Drawing.Color.White);
ds.lights.Add(l);
terrain.lights.Add(l);
Light l2 = new Light(new Vector3(0, 10, 0), System.Drawing.Color.White);
water.lights.Add(l2);
EngineCore.AddImage("tree.png", "treeImg");
EngineCore.AddImage("rock.png", "rockImg");
String boatObj = EngineCore.AddModel("boat.obj", "Boat");
EngineCore.AddImage("boards.jpg", "Boards");
Boat boat = new Boat(new Vector3(2, 0.2f, 2), new Vector3(0, 34, 0), new Vector3(0.25f, 0.25f, 0.25f), "Boards");
EngineCore.AddObject("Boat", boat);
String ground = EngineCore.AddImage("grass.jpg", "Ground");
Terrain terrainObj = new Terrain("New Terrain", "Ground", "heightMap.png");
EngineCore.AddObject("Terrain", terrainObj);
EngineCore.AddImage("dudv.png", "DuDvMap");
EngineCore.AddImage("normal.png", "NormalMap");
Water waterObj = new Water(new Vector3(0, 0.25f, 0), System.Drawing.Color.Blue, new Vector2(1920, 1080), "DuDvMap", new Vector3(10, 10, 10));
waterObj.AttachNormalMap("NormalMap");
EngineCore.AddObject("water", waterObj);
EngineCore.AddSkybox(new string[] { "Skybox/xpos.png",
"Skybox/xneg.png",
"Skybox/ypos.png",
"Skybox/yneg.png",
"Skybox/zpos.png",
"Skybox/zneg.png" }, "Skybox", 500);
w.Run();
}
protected override void OnUpdateFrame(FrameEventArgs e)
{
EngineCore.gameCamera.Update();
if (Keyboard[Key.Escape])
{
Exit();
}
EngineCore.gameCamera.rotation.Y += 0.08f * (Mouse.GetState().X - lastMousePosition.X);
EngineCore.gameCamera.rotation.X += 0.08f * (Mouse.GetState().Y - lastMousePosition.Y);
if (!selecting)
{
if (Keyboard[Key.W])
{
EngineCore.gameCamera.position -= EngineCore.gameCamera.forward * 0.15f;
}
if (Keyboard[Key.S])
{
EngineCore.gameCamera.position += EngineCore.gameCamera.forward * 0.15f;
}
if (Keyboard[Key.D])
{
EngineCore.gameCamera.position += EngineCore.gameCamera.right * 0.15f;
}
if (Keyboard[Key.A])
{
EngineCore.gameCamera.position -= EngineCore.gameCamera.right * 0.15f;
}
}
else
{
if (Keyboard[Key.W])
{
EngineCore.selected.position -= new Vector3(EngineCore.gameCamera.forward.X, 0, EngineCore.gameCamera.forward.Z) * 0.15f;
}
if (Keyboard[Key.S])
{
EngineCore.selected.position += new Vector3(EngineCore.gameCamera.forward.X, 0, EngineCore.gameCamera.forward.Z) * 0.15f;
}
if (Keyboard[Key.D])
{
EngineCore.selected.position += new Vector3(EngineCore.gameCamera.right.X, 0, EngineCore.gameCamera.right.Z) * 0.15f;
}
if (Keyboard[Key.A])
{
EngineCore.selected.position -= new Vector3(EngineCore.gameCamera.right.X, 0, EngineCore.gameCamera.right.Z) * 0.15f;
}
if (Keyboard[Key.Q])
{
EngineCore.selected.position.Y -= 0.025f;
}
if (Keyboard[Key.E])
{
EngineCore.selected.position.Y += 0.025f;
}
EngineCore.gameCamera.position += EngineCore.gameCamera.forward * Mouse.GetState().WheelPrecise * 0.001f;
}
if (Keyboard[Key.Number1] && !num1Down)
{
RenderedEntity tree = new RenderedEntity(Vector3.Zero, new Vector3(0, rotationGenerator.Next(360), 0), Vector3.One * ((float)rotationGenerator.NextDouble() * 0.5f + 0.5f), "tree", "Default", "treeImg");
EngineCore.AddObject("tree" + num, tree);
num++;
num1Down = true;
EngineCore.selected = tree;
selecting = true;
}
if (!Keyboard[Key.Number1])
{
num1Down = false;
}
if (Keyboard[Key.Number2] && !num2Down)
{
RenderedEntity rock = new RenderedEntity(Vector3.Zero, new Vector3(0, rotationGenerator.Next(360), 0), Vector3.One * ((float)rotationGenerator.NextDouble() * 0.2f + 0.2f), "rock", "Default", "rockImg");
EngineCore.AddObject("rock" + num, rock);
num++;
num2Down = true;
EngineCore.selected = rock;
selecting = true;
}
if (!Keyboard[Key.Number2])
{
num2Down = false;
}
if (Keyboard[Key.Enter])
{
selecting = false;
}
if (Keyboard[Key.Up])
{
((Water)EngineCore.gameObjects["water"]).position.Y += 0.05f;
EngineCore.gameObjects["Boat"].position.Y += 0.05f;
}
if (Keyboard[Key.Down])
{
((Water)EngineCore.gameObjects["water"]).position.Y -= 0.05f;
EngineCore.gameObjects["Boat"].position.Y -= 0.05f;
}
EngineCore.gameCamera.CalculateMatrices(false);
lastMousePosition = new Vector2(Mouse.GetState().X, Mouse.GetState().Y);
}