public virtual void Init()
{
Program.Settings.GetLightRange(out float near, out float far);
Program.Window.GetSize(out int windowWidth, out int windowHeight);
Program.Window.OnButton += OnButton;
Program.Window.OnMouseButton += OnMouseButton;
DefaultShader = ShaderRepository.GetShader("Default/default");
DefaultShader.SetFloat("material.shininess", 32.0f);
DefaultShader.SetFloat("lightNearPlane", near);
DefaultShader.SetFloat("lightFarPlane", far);
_lightingShaderOrtho = ShaderRepository.GetShader("Lighting/lightingShader", "Lighting/lightingShaderOrtho");
_lightingShaderPersp = ShaderRepository.GetShader("Lighting/lightingShader", "Lighting/lightingShaderPersp");
_lightingShaderPersp.SetFloat("farPlane", far);
_lightingShaderOrtho.LightingShader = true;
_lightingShaderPersp.LightingShader = true;
_lightingFrameBuffer = new FrameBuffer();
_lightingFrameBuffer.Use();
Gl.DrawBuffer(DrawBufferMode.None);
Gl.ReadBuffer(ReadBufferMode.None);
FrameBuffer.UseDefault();
CurrentCamera = new Camera();
Entities.Add(CurrentCamera);
UI = new UILayer();
}
public FrameBuffer Render(FrameBuffer renderFrameBuffer)
{
Texture renderTexture = renderFrameBuffer.BoundTexture;
if (postProcessShaders.Count <= 0)
{
return(renderFrameBuffer);
}
var destination = texture2;
var source = renderTexture;
for (int i = 0; i < postProcessShaders.Count; i++)
{
Shader shader = postProcessShaders[i];
bool lastShader = i >= postProcessShaders.Count - 1;
if (!lastShader)
{
postProBuffer.Use();
postProBuffer.BindTexture(destination);
}
else
{
renderFrameBuffer.Use();
}
//Util.GLClear();
source.BindToUnit(0);
QuadMesh.ScreenQuad.Draw(shader);
if (lastShader)
{
break;
}
if (i == 0)
{
source = texture1;
}
var temp = destination;
destination = source;
source = temp;
}
return(renderFrameBuffer);
}
private void LightingPass()
{
if (!Lights.Exists(x => x.ShadowsEnabled))
{
return;
}
Gl.CullFace(CullFaceMode.Front);
Program.Settings.GetShadowMapSize(out int width, out int height);
Gl.Viewport(0, 0, (uint)width, (uint)height);
_lightingFrameBuffer.Use();
foreach (Light l in Lights.FindAll(x => x.ShadowsEnabled))
{
l.CalculateShadows(_lightingFrameBuffer, l is PointLight ? _lightingShaderPersp : _lightingShaderOrtho, RenderScene);
}
}
public void RenderPipeline()
{
FrameBuffer buffer = RenderFrameBuffer;
buffer.Use();
GL.GetApi().ClearFramebuffer();
for (int i = 0; i < Pipeline.Count; i++)
{
buffer = Pipeline[i].Render(buffer);
}
buffer.BoundTexture.BindToUnit(0);
FrameBuffer.UseDefault();
Util.GLClear();
_finalShader.SetInt("screen", 0);
QuadMesh.ScreenQuad.Draw(_finalShader);
}
public FrameBuffer Render(FrameBuffer renderFrameBuffer)
{
LightingPass();
Program.Window.GetSize(out int windowWidth, out int windowHeight);
Gl.Viewport(0, 0, (uint)windowWidth, (uint)windowHeight);
renderFrameBuffer.Use();
Gl.CullFace(CullFaceMode.Back);
DefaultShader.Use();
CurrentCamera.SetData(DefaultShader);
SetLightingData();
RenderScene(DefaultShader);
RenderExtras(renderFrameBuffer);
return(renderFrameBuffer);
}