private bool OnRender(AppRenderEvent e)
{
if (!_minimized)
{
AXProfiler.Capture(() =>
{
AXProfiler.Capture("OnDraw", () =>
{
foreach (Layer layer in _layers)
{
layer.OnRender(e.DeltaTime);
}
});
AXProfiler.Capture("OnImGuiRender", () =>
{
// This is currently not tied to our renderer api
_imGuiLayer.Begin(e.DeltaTime);
foreach (Layer layer in _layers)
{
layer.OnImGuiRender(e);
}
_imGuiLayer.End();
});
});
}
return(true);
}
public void OnUpdate(double deltaTime)
{
AXProfiler.Capture(() =>
{
if (KeyboardState.IsKeyPressed(AXKey.J))
{
_cameraPosition.X -= _cameraSpeed * (float)deltaTime;
}
if (KeyboardState.IsKeyPressed(AXKey.L))
{
_cameraPosition.X += _cameraSpeed * (float)deltaTime;
}
if (KeyboardState.IsKeyPressed(AXKey.I))
{
_cameraPosition.Y += _cameraSpeed * (float)deltaTime;
}
if (KeyboardState.IsKeyPressed(AXKey.K))
{
_cameraPosition.Y -= _cameraSpeed * (float)deltaTime;
}
Camera.Position = _cameraPosition;
});
}
public void Dispose()
{
AXProfiler.Capture(() =>
{
_host.StopAsync().GetAwaiter().GetResult();
_host.Dispose();
});
}
protected override void Dispose(bool manual)
{
Logger.Assert(manual, $"Memory leak detected on object: {this}");
AXProfiler.Capture(
() => { _gl.DeleteShader(_rendererID); });
}
public AXHostApplication(AXWindowOptions windowOptions)
{
AXProfiler.Capture(() =>
{
_host = AXHost.Create(windowOptions).Build();
_host.Start();
});
}
public void PushLayer(Layer layer)
{
AXProfiler.Capture(() =>
{
_layers.PushLayer(layer);
layer.OnAttach();
});
}
public void OnEvent(Event e)
{
AXProfiler.Capture(() =>
{
var eventDispatcher = new EventDispatcher(e);
eventDispatcher.Dispatch <MouseScrollEvent>(OnMouseScroll);
eventDispatcher.Dispatch <WindowResizeEvent>(OnWindowResize);
});
}
public override void SetIndexBuffer(IndexBuffer indexBuffer)
{
AXProfiler.Capture(() =>
{
Bind();
indexBuffer.Bind();
_indexBuffer = indexBuffer;
});
}
public override unsafe void SetData(void *data, uint size)
{
AXProfiler.Capture(() =>
{
// bytes per pixel
int bpp = _dataFormat == PixelFormat.Rgba ? 4 : 3;
Logger.Assert(size == _width * _height * bpp, "Data must be entire texture");
_gl.TextureSubImage2D(_rendererID, 0, 0, 0, _width, _height, _dataFormat, PixelType.UnsignedByte, data);
});
}
protected override void Dispose(bool manual)
{
Logger.Assert(manual, $"Memory leak detected on object: {this}");
AXProfiler.Capture(() =>
{
_gl.DeleteFramebuffers(1, _rendererID);
_gl.DeleteTextures(1, _colorAttachmentRendererID);
_gl.DeleteTextures(1, _depthAttachmentRendererID);
});
}
private bool OnMouseScroll(MouseScrollEvent e)
{
AXProfiler.Capture(() =>
{
_zoomLevel -= e.Offset.Y * _zoomSpeed;
_zoomLevel = Math.Max(_zoomLevel, 0.25f);
Camera.SetProjection(-_aspectRatio * _zoomLevel, _aspectRatio * _zoomLevel, -_zoomLevel,
_zoomLevel);
});
return(false);
}
private bool OnUpdate(AppUpdateEvent e)
{
if (!_minimized)
{
AXProfiler.Capture(() =>
{
foreach (Layer layer in _layers)
{
layer.OnUpdate(e.DeltaTime);
}
});
}
return(true);
}
public OrthographicCamera(float left, float right, float bottom, float top)
{
AXProfiler.Capture(() =>
{
Left = left;
Right = right;
Bottom = bottom;
Top = top;
Rotation = 0;
_viewMatrix = Matrix4x4.Identity;
ProjectionMatrix = Matrix4x4.CreateOrthographicOffCenter(left, right, bottom, top, 0.0f, 100.0f);
ViewProjectionMatrix = ProjectionMatrix * _viewMatrix;
});
}
protected override void Dispose(bool manual)
{
Logger.Assert(manual, $"Memory leak detected on object: {this}");
AXProfiler.Capture(() =>
{
foreach (VertexBuffer vertexBuffer in _vertexBuffers)
{
vertexBuffer.Dispose();
}
_vertexBuffers.Clear();
_indexBuffer.Dispose();
_gl.DeleteVertexArrays(1, _rendererID);
});
}
private bool OnLoad(AppLoadEvent e)
{
AXProfiler.Capture(() =>
{
_imGuiLayer = _layerFactory.CreateImGuiLayer(_window.NativeWindow, _window.InputContext);
PushLayer(_imGuiLayer);
foreach (Layer layer in _layers)
{
layer.OnLoad();
}
_renderCommandDispatcher.Init();
});
return(true);
}
public override unsafe void AddVertexBuffer(VertexBuffer vertexBuffer)
{
AXProfiler.Capture(() =>
{
Bind();
vertexBuffer.Bind();
BufferLayout?layout = vertexBuffer.GetLayout();
Logger.Assert(layout.HasValue, "Layout should be initialized");
foreach (BufferElement element in layout)
{
_gl.EnableVertexAttribArray(_vertexAttributeIndex);
_gl.VertexAttribPointer(_vertexAttributeIndex, element.GetComponentCount(),
ShaderDataTypeToOpenGLBaseType(element.Type),
element.Normalized, layout.Value.Stride, (void *)element.Offset);
_vertexAttributeIndex++;
}
_vertexBuffers.Add(vertexBuffer);
});
}
public override void Unbind()
{
AXProfiler.Capture(() => { _gl.BindTexture(_textureTarget, 0); });
}
public override void Use(TextureSlot slot)
{
AXProfiler.Capture(() => { _gl.BindTextureUnit((uint)slot, _rendererID); });
}
public override void Unbind()
{
AXProfiler.Capture(() => { _gl.UseProgram(0); });
}
public override void Bind()
{
AXProfiler.Capture(() => { _gl.UseProgram(_rendererID); });
}
public override void Unbind()
{
AXProfiler.Capture(() => { _gl.BindVertexArray(0); });
}
public override void Bind()
{
AXProfiler.Capture(() => { _gl.BindTexture(_textureTarget, _rendererID); });
}
public override void Bind()
{
AXProfiler.Capture(
() => { _gl.BindBuffer(BufferTargetARB.ArrayBuffer, _rendererID); });
}
private bool OnWindowResize(WindowResizeEvent e)
{
AXProfiler.Capture(() => { OnFramebufferResize(e.Size.X, e.Size.Y); });
return(false);
}
public override void Unbind()
{
AXProfiler.Capture(() => { _gl.BindBuffer(BufferTargetARB.ArrayBuffer, 0); });
}
public override void Bind()
{
AXProfiler.Capture(() => { _gl.BindVertexArray(_rendererID); });
}