public override void OnRender(Graphics.Graphics graphics, BaseViewport viewport)
{
BaseViewportCamera camera = viewport.Camera;
Matrix4 vpMatrix4 = camera.GetViewMatrix() * camera.GetProjMatrix();
SolidRenderOperation render = new SolidRenderOperation
{
Viewport = viewport,
Graphics = graphics
};
// Draw all solids
if (viewport.ViewportType == BaseViewport.ViewportTypes.PERSPECTIVE)
{
GL.Enable(EnableCap.DepthTest);
}
graphics.BeginDraw(vpMatrix4);
foreach (MapObject mapObject in controller.SceneDocument)
{
if (mapObject.Selected)
{
continue;
}
mapObject.PerformOperation(render);
}
controller.Selection?.PerformOperation(render);
graphics.EndDraw();
if (viewport.ViewportType == BaseViewport.ViewportTypes.PERSPECTIVE)
{
GL.Disable(EnableCap.DepthTest);
}
// Draw white wireframesolid on top of selection
// only in Solid rendermode
graphics.BeginDraw(vpMatrix4);
if (viewport.RenderMode == BaseViewport.RenderModes.SOLID || viewport.RenderMode == BaseViewport.RenderModes.TEXTURED)
{
Color color = viewport.RenderMode == BaseViewport.RenderModes.TEXTURED ? Color.Yellow : Color.White;
DoSolidAction(controller.Selection, (solid) =>
{
graphics.DrawWireframeSolid(solid, color);
});
}
graphics.EndDraw();
// draw handles and blanket on top of everything else
RenderAllVertexHandles(graphics, viewport);
RenderBlanket(graphics, viewport);
}
private void RenderCrosshair(Graphics.Graphics graphics)
{
// render cross if captured the mouse
if (CapturedMouse)
{
graphics.BeginDraw(MathExtensions.CreateOrthographicLH(mWidth, mHeight, 0, 1.0f));
graphics.DrawSolidRectangle(Vector3.UnitX * -CROSS_SIZE + -Vector3.UnitY, Vector3.UnitX * CROSS_SIZE + -Vector3.UnitY,
Vector3.UnitX * CROSS_SIZE + Vector3.UnitY, Vector3.UnitX * -CROSS_SIZE + Vector3.UnitY, Color.White);
graphics.DrawSolidRectangle(Vector3.UnitY * -CROSS_SIZE + -Vector3.UnitX, Vector3.UnitY * -CROSS_SIZE + Vector3.UnitX,
Vector3.UnitY * CROSS_SIZE + Vector3.UnitX, Vector3.UnitY * CROSS_SIZE + -Vector3.UnitX, Color.White);
graphics.EndDraw();
}
}
/// <summary>
/// Renders a overlay for the viewport
/// </summary>
/// <param name="graphics"></param>
protected virtual void RenderOverlay(Graphics.Graphics graphics)
{
Color overlayColor = SystemColors.Control;
Vector3 pointOne = new Vector3(OVERLAY_GAP, OVERLAY_GAP, 0);
Vector3 pointTwo = new Vector3(mWidth - OVERLAY_GAP, OVERLAY_GAP, 0);
Vector3 pointThree = new Vector3(mWidth - OVERLAY_GAP, mHeight - OVERLAY_GAP, 0);
Vector3 pointFour = new Vector3(OVERLAY_GAP, mHeight - OVERLAY_GAP, 0);
graphics.BeginDraw(Matrix4.CreateOrthographicOffCenter(0, mWidth, mHeight, 0, 0, 1));
graphics.DrawLine(pointOne, pointTwo, Graphics.Graphics.LineType.LineNormal, overlayColor);
graphics.DrawLine(pointTwo, pointThree, Graphics.Graphics.LineType.LineNormal, overlayColor);
graphics.DrawLine(pointThree, pointFour, Graphics.Graphics.LineType.LineNormal, overlayColor);
graphics.DrawLine(pointFour, pointOne, Graphics.Graphics.LineType.LineNormal, overlayColor);
graphics.EndDraw();
}
/// <summary>
/// Only draw for the current viewport that is doing the action
/// </summary>
/// <param name="graphics"></param>
/// <param name="viewport"></param>
private void RenderBlanket(Graphics.Graphics graphics, BaseViewport viewport)
{
if (viewport.ViewportType != BaseViewport.ViewportTypes.PERSPECTIVE &&
coverBlanket.HasVolume2D && currentActionViewport == viewport.ViewportType)
{
Vector3 bottomLeft = new Vector3(coverBlanket.Min.X, coverBlanket.Min.Y, 0);
Vector3 bottomRight = new Vector3(coverBlanket.Max.X, coverBlanket.Min.Y, 0);
Vector3 topRight = new Vector3(coverBlanket.Max.X, coverBlanket.Max.Y, 0);
Vector3 topLeft = new Vector3(coverBlanket.Min.X, coverBlanket.Max.Y, 0);
graphics.BeginDraw(Matrix4.CreateOrthographicOffCenter(0, viewport.Width, viewport.Height, 0, 0, 1));
//Color blanketColor = Color.FromArgb(64, Color.LightSkyBlue);
//renderer.DrawSolidRectangle(topLeft, topRight, bottomRight, bottomLeft, blanketColor); // TODO FIX winding....??!?!?!?
graphics.DrawRectangle(bottomLeft, bottomRight, topRight, topLeft, Graphics.Graphics.LineType.LineDashed, Color.DeepSkyBlue);
graphics.EndDraw();
}
}
public override void OnRender(Graphics.Graphics graphics, BaseViewport viewport)
{
BaseViewportCamera camera = viewport.Camera;
SolidRenderOperation render = new SolidRenderOperation
{
Viewport = viewport,
Graphics = graphics
};
// Draw all solid
if (viewport.ViewportType == BaseViewport.ViewportTypes.PERSPECTIVE)
{
GL.Enable(EnableCap.DepthTest);
}
graphics.BeginDraw(camera.GetViewMatrix() * camera.GetProjMatrix());
foreach (MapObject mapObject in controller.SceneDocument)
{
if (mapObject.Selected)
{
continue;
}
mapObject.PerformOperation(render);
}
controller.Selection?.PerformOperation(render);
graphics.EndDraw();
if (viewport.ViewportType == BaseViewport.ViewportTypes.PERSPECTIVE)
{
GL.Disable(EnableCap.DepthTest);
}
}
/// <summary>
/// Renders the grid on the viewport
/// </summary>
/// <param name="graphics"></param>
private void DrawGrid(Graphics.Graphics graphics)
{
Matrix4 translationViewMatrix = mCamera.GetViewMatrix().ClearRotation();
Matrix4 viewProjMatrix = translationViewMatrix * mCamera.GetProjMatrix();
// get info from the settings
Color minorGridColor = controller.EditorSettings.GetColor("minorGridColor");
Color majorGridColor = controller.EditorSettings.GetColor("majorGridColor");
Color originGridColor = controller.EditorSettings.GetColor("originGridColor");
int hideLinesLower = controller.EditorSettings.HideLinesLower;
int majorLineEvery = controller.EditorSettings.MajorLineEvery;
int gridDim = 1 << 14; // 16384 dimensions
float[] bounds = { float.MaxValue, float.MaxValue, -float.MaxValue, -float.MaxValue };
Vector3[] worldExtends = new Vector3[4];
// hide lines if grid is smaller than specified number
int gridSize = mGridSizeInPixels;
while ((gridSize / mCamera.Zoom) < hideLinesLower)
{
gridSize *= majorLineEvery;
}
// get the 4 world space corner points
if (!ViewportToGridPlane(0, 0, GetGridPlane(), ref worldExtends[0]))
{
return;
}
if (!ViewportToGridPlane(mWidth, 0, GetGridPlane(), ref worldExtends[1]))
{
return;
}
if (!ViewportToGridPlane(mWidth, mHeight, GetGridPlane(), ref worldExtends[2]))
{
return;
}
if (!ViewportToGridPlane(0, mHeight, GetGridPlane(), ref worldExtends[3]))
{
return;
}
// get bounding box
for (int i = 0; i < 4; i++)
{
// convert to default space (x,y)
Matrix4 fromGridMatrix = mCamera.GetViewMatrix().ClearTranslation();
worldExtends[i] = worldExtends[i].TransformL(fromGridMatrix);
if (worldExtends[i].X < bounds[0])
{
bounds[0] = worldExtends[i].X;
}
if (worldExtends[i].Y < bounds[1])
{
bounds[1] = worldExtends[i].Y;
}
if (worldExtends[i].X > bounds[2])
{
bounds[2] = worldExtends[i].X;
}
if (worldExtends[i].Y > bounds[3])
{
bounds[3] = worldExtends[i].Y;
}
}
float gridWidth = bounds[2] - bounds[0]; // max.x - min.x
float gridHeight = bounds[3] - bounds[1]; // max.y - min.y
int gridCountX = (int)gridWidth / gridSize + 4;
int gridCountY = (int)gridHeight / gridSize + 4;
int gridStartX = (int)bounds[0] / gridSize - 1;
int gridStartY = (int)bounds[1] / gridSize - 1;
// Set line start and line end in world space coordinates
float lineStartX = gridStartX * gridSize;
float lineStartY = gridStartY * gridSize;
float lineEndX = (gridStartX + (gridCountX - 1)) * gridSize;
float lineEndY = (gridStartY + (gridCountY - 1)) * gridSize;
// keep line start and line end inside the grid dimensions
lineStartX = (lineStartX < -gridDim) ? -gridDim : lineStartX;
lineStartY = (lineStartY < -gridDim) ? -gridDim : lineStartY;
lineEndX = (lineEndX > gridDim) ? gridDim : lineEndX;
lineEndY = (lineEndY > gridDim) ? gridDim : lineEndY;
// make sure we have anything to render
if (gridCountX + gridCountY <= 0)
{
return;
}
// start drawing the grid
graphics.BeginDraw(viewProjMatrix);
// the grid lines are ordered as minor, major, origin
for (int lineType = 0; lineType < 3; lineType++)
{
Color lineColor = minorGridColor;
if (lineType == 1)
{
lineColor = majorGridColor;
}
else if (lineType == 2)
{
lineColor = originGridColor;
}
// draw horizontal lines first
for (int i = gridStartY; i < gridStartY + gridCountY; ++i)
{
// skip lines that are out of bound
if (i * gridSize < -gridDim || i * gridSize > gridDim)
{
continue;
}
// skip any line that don't match the line type we're adding
if (lineType == 0 && (i == 0 || (i % majorLineEvery) == 0))
{
continue;
}
else if (lineType == 1 && (i == 0 || (i % majorLineEvery) != 0))
{
continue;
}
else if (lineType == 2 && i != 0)
{
continue;
}
// draw the line
graphics.DrawLine(new Vector3(lineStartX, (float)i * gridSize, 0.0f),
new Vector3(lineEndX, (float)i * gridSize, 0.0f), Graphics.Graphics.LineType.LineNormal,
lineColor);
}
// draw horizontal lines first
for (int i = gridStartX; i < gridStartX + gridCountX; ++i)
{
// skip lines that are out of bound
if (i * gridSize < -gridDim || i * gridSize > gridDim)
{
continue;
}
// skip any line that don't match the line type we're adding
if (lineType == 0 && (i == 0 || (i % majorLineEvery) == 0))
{
continue;
}
else if (lineType == 1 && (i == 0 || (i % majorLineEvery) != 0))
{
continue;
}
else if (lineType == 2 && i != 0)
{
continue;
}
// draw the line
graphics.DrawLine(new Vector3((float)i * gridSize, lineStartY, 0.0f),
new Vector3((float)i * gridSize, lineEndY, 0.0f), Graphics.Graphics.LineType.LineNormal,
lineColor);
}
}
graphics.EndDraw();
}
public override void OnRender(Graphics.Graphics graphics, BaseViewport viewport)
{
BaseViewportCamera camera = viewport.Camera;
RubberBand rubberband = controller.RubberBand;
SolidRenderOperation render = new SolidRenderOperation
{
Viewport = viewport,
Graphics = graphics
};
// Draw all solids
if (viewport.ViewportType == BaseViewport.ViewportTypes.PERSPECTIVE)
{
GL.Enable(EnableCap.DepthTest);
}
graphics.BeginDraw(camera.GetViewMatrix() * camera.GetProjMatrix());
foreach (MapObject mapObject in controller.SceneDocument)
{
if (mapObject.Selected)
{
continue;
}
mapObject.PerformOperation(render);
}
controller.Selection?.PerformOperation(render);
// only in orthographic viewport
if (viewport.ViewportType != BaseViewport.ViewportTypes.PERSPECTIVE)
{
// draw rubberband
if (rubberband.Bounds.HasVolume2D)
{
graphics.DrawWireframeAabb(rubberband.Bounds, Graphics.Graphics.LineType.LineDashed, rubberband.Color, rubberband.Transformation, viewport.Zoom);
}
else
{
// draw "rubberband" for the selection
graphics.DrawWireframeAabb(controller.Selection?.Bounds, Graphics.Graphics.LineType.LineDashed,
viewport.RenderMode == BaseViewport.RenderModes.SOLID ? Color.Yellow : Color.Red,
Matrix4.Identity, viewport.Zoom);
}
// draw grabhandles for selection
if (controller.RubberBand.ShowGrabhandles)
{
SolidGrabHandles handles = controller.RubberBand.Handles;
Matrix4 viewportMatrix = viewport.Camera.GetWorldMatrix().ClearTranslation();
handles.CreateHandles(controller.Selection, viewportMatrix, viewport.Zoom);
handles.Render(graphics);
}
}
graphics.EndDraw();
if (viewport.ViewportType == BaseViewport.ViewportTypes.PERSPECTIVE)
{
GL.Disable(EnableCap.DepthTest);
}
}
private void RenderAllVertexHandles(Graphics.Graphics graphics, BaseViewport viewport)
{
int nearDepth = 1;
int farDepth = 0;
//TODO check why this is neccessary
if (viewport.ViewportType == BaseViewport.ViewportTypes.PERSPECTIVE)
{
nearDepth = 0;
farDepth = 1;
}
// handle vertices are already in NDC space when send to the graphicscard
GL.Clear(ClearBufferMask.DepthBufferBit);
GL.DepthRange(nearDepth, farDepth);
GL.Enable(EnableCap.DepthTest);
graphics.BeginDraw(Matrix4.Identity);
Vector3 handleDimensions = new Vector3((float)HandleSize / viewport.Width, (float)HandleSize / viewport.Height, 0.0f);
Matrix4 vpMatrix = viewport.Camera.GetViewMatrix() * viewport.Camera.GetProjMatrix();
Handle handle = new Handle();
List <Handle> selectedHandles = new List <Handle>();
// create handles and draw non selected handles
DoSolidAction(controller.Selection, (solid) =>
{
int index = 0;
foreach (Vector3 position in solid.VertexPositions)
{
Vector4 vec4Pos = new Vector4(position, 1.0f) * vpMatrix;
Vector3 pos = vec4Pos.Xyz / vec4Pos.W;
handle.BottomLeft = pos + (-Vector3.UnitX - Vector3.UnitY) * handleDimensions;
handle.BottomRight = pos + (Vector3.UnitX - Vector3.UnitY) * handleDimensions;
handle.TopRight = pos + (Vector3.UnitX + Vector3.UnitY) * handleDimensions;
handle.TopLeft = pos + (-Vector3.UnitX + Vector3.UnitY) * handleDimensions;
if (solid.SelectedVertices.Contains(index))
{
selectedHandles.Add(handle);
index++;
continue;
}
index++;
graphics.DrawSolidRectangle(handle.BottomLeft, handle.BottomRight,
handle.TopRight, handle.TopLeft, Color.White);
graphics.DrawRectangle(handle.BottomLeft, handle.BottomRight,
handle.TopRight, handle.TopLeft, Graphics.Graphics.LineType.LineNormal, Color.Black);
}
});
graphics.EndDraw();
GL.Clear(ClearBufferMask.DepthBufferBit);
graphics.BeginDraw(Matrix4.Identity);
//draw selected handles
foreach (Handle selectedHandle in selectedHandles)
{
graphics.DrawSolidRectangle(selectedHandle.BottomLeft, selectedHandle.BottomRight,
selectedHandle.TopRight, selectedHandle.TopLeft, Color.Red);
graphics.DrawRectangle(selectedHandle.BottomLeft, selectedHandle.BottomRight,
selectedHandle.TopRight, selectedHandle.TopLeft, Graphics.Graphics.LineType.LineNormal, Color.Black);
}
graphics.EndDraw();
GL.Disable(EnableCap.DepthTest);
GL.DepthRange(farDepth, nearDepth);
}