public void Render()
{
shader.UseShader();
shader.BindInt("GBufferDiffuse", 0);
shader.BindInt("GBufferNormal", 1);
shader.BindInt("GBufferSpecular", 2);
shader.BindInt("GBufferDepth", 3);
shader.BindInt("GBufferPosition", 4);
shader.BindInt("LightingBuffer", 5);
shader.BindMatrix4("view", CameraManager.GetActiveCamera().GetViewMatrix());
shader.BindMatrix4("projection", CameraManager.GetActiveCamera().GetProjectionMatrix());
DeferredRenderer.BindGBufferTextures();
GL.BindVertexArray(VertexArrayObject);
GL.DrawElements(PrimitiveType.Triangles, indices.Length, DrawElementsType.UnsignedInt, 0);
}
public Light(Vector3 pos, Vector3 col, float intensity, float radius, LightType type)
{
lightType = type;
if (lightType == LightType.LIGHT_DIRECTIONAL)
{
Q = new FullscreenQuad(ShaderManager.ShaderType_BL.DeferredLight, ShaderManager.ShaderFlags.LIT | ShaderManager.ShaderFlags.LIGHT_DIRECTIONAL);
}
if (lightType == LightType.LIGHT_POINT)
{
Q = new FullscreenQuad(ShaderManager.ShaderType_BL.DeferredLight, ShaderManager.ShaderFlags.LIT | ShaderManager.ShaderFlags.LIGHT_POINT);
}
lightPosition = pos;
lightColour = col;
lightIntensity = intensity;
lightRadius = radius;
DeferredRenderer.AddLightToRenderer(this);
}
public virtual void RemoveLight()
{
DeferredRenderer.RemoveLightFromRenderer(this);
}
protected override void OnRenderFrame(FrameEventArgs e)
{
Util.TotalTime += (float)e.Time; //TotalTime += deltaTime
fps = 1.0 / e.Time;
base.Title = "Legend286 and Boomer678's Rendering Engine" + ": OpenGL Version: " + GL.GetString(StringName.Version) + ": frametime: " + (int)fps;
base.OnRenderFrame(e);
_controller.Update(this, (float)e.Time);
GL.ClearColor(new Color4(0.0f, 0.0f, 0.0f, 0.0f)); //pretty colors :^)
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit | ClearBufferMask.StencilBufferBit);
#region Render Editor UI
ImGui.SetNextWindowPos(new System.Numerics.Vector2(0.0f, 0.0f));
ImGui.Begin("Editor UI");
ImGui.SetWindowSize(new System.Numerics.Vector2(380, Window._Height));
ImGui.ColorEdit3("Light 1 Colour", ref lightColour1);
ImGui.DragFloat("Light 1 Intensity", ref light1Intensity);
ImGui.DragFloat("Light 1 Radius", ref lightRadius);
ImGui.ColorEdit3("Light 2 Colour", ref lightColour2);
ImGui.DragFloat("Light 2 Intensity", ref light2Intensity);
ImGui.ColorEdit3("Light 3 Colour", ref lightColour3);
ImGui.DragFloat("Light 3 Intensity", ref light3Intensity);
ImGui.End();
#endregion
// move this to editorlayer or something :)
light.setColour(lightColour1);
light2.setColour(lightColour2);
light3.setColour(lightColour3);
light.setIntensity(light1Intensity);
light2.setIntensity(light2Intensity);
light3.setIntensity(light3Intensity);
light.setRadius(lightRadius);
bool isOpenMenu = true;
#region Render Debug ImGUI
ImGui.SetNextWindowPos(new System.Numerics.Vector2(Width - 450, 0.0f));
ImGui.Begin("Render Debug", ref isOpenMenu, ImGuiWindowFlags.NoCollapse | ImGuiWindowFlags.None);
ImGui.SetWindowSize(new System.Numerics.Vector2(450, 365), ImGuiCond.Once);
ImGui.Text("Shaders: " + ShaderManager.GetShaderCount());
ImGui.Text("Camera Pos: " + player.GetCamera().Position);
ImGui.SliderFloat("Fog End Distance", ref RenderingParameters.FogEndDistance, 10.0f, 10000.0f);
if (ImGui.Button("Quit", new System.Numerics.Vector2(100, 32)))
{
Exit();
}
ImGui.End();
#endregion
#region Shader Live Coding
ImGui.Begin("Shader Live Coding");
ImGui.SetWindowSize(new System.Numerics.Vector2(530, 475), ImGuiCond.Once);
if (ImGui.Button("Compile", new System.Numerics.Vector2(400, 32)))
{
foreach (var mesh in MeshManager.Meshes)
{
Shader shader = new Shader(mesh.mat.shader.SourceCode_frag, mesh.mat.shader.SourceCode_vert);
ShaderManager.put(ShaderType_BL.GBuffer, mesh.mat.flags, shader);
}
}
if (ImGui.CollapsingHeader("Fragment"))
{
ImGui.InputTextMultiline("Fragment Shader", ref Meshes[0].mat.shader.SourceCode_frag, 4096, new System.Numerics.Vector2(800, 600));
}
if (ImGui.CollapsingHeader("Vertex"))
{
ImGui.InputTextMultiline("Vertex Shader", ref Meshes[0].mat.shader.SourceCode_vert, 4096, new System.Numerics.Vector2(800, 600));
}
ImGui.End();
#endregion
tex.UseTexture(TextureUnit.Texture0);
tex2.UseTexture(TextureUnit.Texture1);
player.GetCamera().ProcessInput();
var mouse = Mouse.GetState();
var keyboard = Keyboard.GetState();
DeferredRenderer.Render();
if (keyboard.IsKeyDown(Key.F1))
{
DeferredRenderer.mode = DeferredRenderer.RenderingMode.RENDER_LIT;
}
if (keyboard.IsKeyDown(Key.F2))
{
DeferredRenderer.mode = DeferredRenderer.RenderingMode.RENDER_NORMAL_ONLY;
}
if (keyboard.IsKeyDown(Key.F3))
{
DeferredRenderer.mode = DeferredRenderer.RenderingMode.RENDER_SPECULAR_ONLY;
}
if (keyboard.IsKeyDown(Key.F4))
{
DeferredRenderer.mode = DeferredRenderer.RenderingMode.RENDER_DEPTH_ONLY;
}
if (keyboard.IsKeyDown(Key.F5))
{
DeferredRenderer.mode = DeferredRenderer.RenderingMode.RENDER_WORLD_POSITION_ONLY;
}
if (keyboard.IsKeyDown(Key.F6))
{
DeferredRenderer.mode = DeferredRenderer.RenderingMode.RENDER_DEBUG;
}
// render debug mode
if (DeferredRenderer.mode == DeferredRenderer.RenderingMode.RENDER_DIFFUSE_ONLY)
{
DeferredRenderer.BindGBufferTextures();
Q.shader = ShaderManager.get(ShaderType_BL.DebugGBuffer, ShaderFlags.DEBUG_DIFFUSE_ONLY);
Q.Render();
}
if (DeferredRenderer.mode == DeferredRenderer.RenderingMode.RENDER_NORMAL_ONLY)
{
DeferredRenderer.BindGBufferTextures();
Q.shader = ShaderManager.get(ShaderType_BL.DebugGBuffer, ShaderFlags.DEBUG_NORMAL_ONLY);
Q.Render();
}
if (DeferredRenderer.mode == DeferredRenderer.RenderingMode.RENDER_SPECULAR_ONLY)
{
DeferredRenderer.BindGBufferTextures();
Q.shader = ShaderManager.get(ShaderType_BL.DebugGBuffer, ShaderFlags.DEBUG_SPECULAR_ONLY);
Q.Render();
}
if (DeferredRenderer.mode == DeferredRenderer.RenderingMode.RENDER_DEPTH_ONLY)
{
DeferredRenderer.BindGBufferTextures();
Q.shader = ShaderManager.get(ShaderType_BL.DebugGBuffer, ShaderFlags.DEBUG_DEPTH_ONLY);
Q.Render();
}
if (DeferredRenderer.mode == DeferredRenderer.RenderingMode.RENDER_WORLD_POSITION_ONLY)
{
DeferredRenderer.BindGBufferTextures();
Q.shader = ShaderManager.get(ShaderType_BL.DebugGBuffer, ShaderFlags.DEBUG_WORLD_POSITION);
Q.Render();
}
if (DeferredRenderer.mode == DeferredRenderer.RenderingMode.RENDER_DEBUG)
{
DeferredRenderer.BindGBufferTextures();
Q.shader = ShaderManager.get(ShaderType_BL.DebugGBuffer, ShaderFlags.NONE);
Q.Render();
}
// render light texture
if (DeferredRenderer.mode == DeferredRenderer.RenderingMode.RENDER_LIT)
{
// DeferredRenderer.BindLightingTexture();
DeferredRenderer.BindGBufferTextures();
Q.shader = ShaderManager.get(ShaderType_BL.Lighting, ShaderFlags.LIT);
Q.Render();
}
DeferredRenderer.UnbindGBufferTextures();
_controller.Render();
Util.CheckGLError("End of frame");
q.Render();
SwapBuffers();
}
