void Initialise(ShaderType_BL type, ShaderFlags flags)
{
shader = ShaderManager.get(type, flags);
GL.BindVertexArray(VertexArrayObject);
GL.BindBuffer(BufferTarget.ArrayBuffer, VertexBufferObject);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, ElementBufferObject);
GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * sizeof(float), vertices, BufferUsageHint.StaticDraw);
GL.BufferData(BufferTarget.ElementArrayBuffer, indices.Length * sizeof(uint), indices, BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 5 * sizeof(float), 0);
GL.EnableVertexAttribArray(0);
int texCoordLocation = shader.GetAttribLocation("aTexCoord");
GL.EnableVertexAttribArray(texCoordLocation);
GL.VertexAttribPointer(texCoordLocation, 2, VertexAttribPointerType.Float, false, 5 * sizeof(float), 3 * sizeof(float));
}
public Material(string diffuseTexture, string normalTexture, string specularTexture)
{
if (diffuseTexture != "")
{
UseDiffuse = true;
}
if (normalTexture != "")
{
UseNormal = true;
}
if (specularTexture != "")
{
UseSpecular = true;
}
if (UseDiffuse)
{
DiffuseMap = new Texture(diffuseTexture);
flags |= ShaderManager.ShaderFlags.USE_DIFFUSE_TEXTURE;
}
if (UseNormal)
{
NormalMap = new Texture(normalTexture);
flags |= ShaderManager.ShaderFlags.USE_NORMAL_TEXTURE;
}
if (UseSpecular)
{
SpecularMap = new Texture(specularTexture);
flags |= ShaderManager.ShaderFlags.USE_SPECULAR_TEXTURE;
}
shader = ShaderManager.get(ShaderManager.ShaderType_BL.Default, flags);
}
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();
}
void setShaderFlags(ShaderManager.ShaderFlags flags)
{
_shader = ShaderManager.get(ShaderManager.ShaderType_BL.ImGui, flags);
}
public void SetShader(ShaderType_BL type)
{
shader = ShaderManager.get(type, flags);
}