internal Microsoft.Xna.Framework.Rectangle GetScissorRectangleFor(Camera camera, IRenderableIpso ipso)
{
if (ipso == null)
{
return(new Microsoft.Xna.Framework.Rectangle(
0, 0,
camera.ClientWidth,
camera.ClientHeight
));
}
else
{
float worldX = ipso.GetAbsoluteLeft();
float worldY = ipso.GetAbsoluteTop();
float screenX;
float screenY;
camera.WorldToScreen(worldX, worldY, out screenX, out screenY);
int left = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenX);
int top = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenY);
worldX = ipso.GetAbsoluteRight();
worldY = ipso.GetAbsoluteBottom();
camera.WorldToScreen(worldX, worldY, out screenX, out screenY);
int right = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenX);
int bottom = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenY);
left = System.Math.Max(0, left);
top = System.Math.Max(0, top);
right = System.Math.Max(0, right);
bottom = System.Math.Max(0, bottom);
left = System.Math.Min(left, camera.ClientWidth);
right = System.Math.Min(right, camera.ClientWidth);
top = System.Math.Min(top, camera.ClientHeight);
bottom = System.Math.Min(bottom, camera.ClientHeight);
int width = System.Math.Max(0, right - left);
int height = System.Math.Max(0, bottom - top);
Microsoft.Xna.Framework.Rectangle thisRectangle = new Microsoft.Xna.Framework.Rectangle(
left,
top,
width,
height);
return(thisRectangle);
}
}
private void AdjustCursorChangeValuesForShiftDrag(ref float cursorXChange, ref float cursorYChange, InstanceSave instanceSave, List <ElementWithState> elementStack)
{
if (InputLibrary.Keyboard.Self.KeyDown(Microsoft.Xna.Framework.Input.Keys.LeftShift) ||
InputLibrary.Keyboard.Self.KeyDown(Microsoft.Xna.Framework.Input.Keys.RightShift))
{
bool supportsShift =
SideGrabbed == ResizeSide.TopLeft || SideGrabbed == ResizeSide.TopRight ||
SideGrabbed == ResizeSide.BottomLeft || SideGrabbed == ResizeSide.BottomRight;
if (supportsShift && instanceSave != null)
{
IRenderableIpso ipso = WireframeObjectManager.Self.GetRepresentation(instanceSave, elementStack);
var cursor = InputLibrary.Cursor.Self;
float cursorX = cursor.GetWorldX();
float cursorY = cursor.GetWorldY();
float top = ipso.GetAbsoluteTop();
float bottom = ipso.GetAbsoluteBottom();
float left = ipso.GetAbsoluteLeft();
float right = ipso.GetAbsoluteRight();
float absoluteXDifference = 1;
float absoluteYDifference = 1;
switch (SideGrabbed)
{
case ResizeSide.BottomRight:
absoluteXDifference = System.Math.Abs(left - cursorX);
absoluteYDifference = System.Math.Abs(top - cursorY);
break;
case ResizeSide.BottomLeft:
absoluteXDifference = System.Math.Abs(right - cursorX);
absoluteYDifference = System.Math.Abs(top - cursorY);
break;
case ResizeSide.TopLeft:
absoluteXDifference = System.Math.Abs(right - cursorX);
absoluteYDifference = System.Math.Abs(bottom - cursorY);
break;
case ResizeSide.TopRight:
absoluteXDifference = System.Math.Abs(left - cursorX);
absoluteYDifference = System.Math.Abs(bottom - cursorY);
break;
}
float aspectRatio = absoluteXDifference / absoluteYDifference;
if (aspectRatio > aspectRatioOnGrab)
{
float yToUse = 0;
// We use the X, but adjust the Y
switch (SideGrabbed)
{
case ResizeSide.BottomRight:
cursorXChange = cursorX - right;
yToUse = top + absoluteXDifference / aspectRatioOnGrab;
cursorYChange = yToUse - bottom;
break;
case ResizeSide.BottomLeft:
cursorXChange = cursorX - left;
yToUse = top + absoluteXDifference / aspectRatioOnGrab;
cursorYChange = yToUse - bottom;
break;
case ResizeSide.TopRight:
cursorXChange = cursorX - right;
yToUse = bottom - absoluteXDifference / aspectRatioOnGrab;
cursorYChange = yToUse - top;
break;
case ResizeSide.TopLeft:
cursorXChange = cursorX - left;
yToUse = bottom - absoluteXDifference / aspectRatioOnGrab;
cursorYChange = yToUse - top;
break;
}
}
else
{
float xToUse;
// We use the Y, but adjust the X
switch (SideGrabbed)
{
case ResizeSide.BottomRight:
cursorYChange = cursorY - bottom;
xToUse = left + absoluteYDifference * aspectRatioOnGrab;
cursorXChange = xToUse - right;
break;
case ResizeSide.BottomLeft:
cursorYChange = cursorY - bottom;
xToUse = right - absoluteYDifference * aspectRatioOnGrab;
cursorXChange = xToUse - left;
break;
case ResizeSide.TopRight:
cursorYChange = cursorY - top;
xToUse = left + absoluteYDifference * aspectRatioOnGrab;
cursorXChange = xToUse - right;
break;
case ResizeSide.TopLeft:
cursorYChange = cursorY - top;
xToUse = right - absoluteYDifference * aspectRatioOnGrab;
cursorXChange = xToUse - left;
break;
}
}
}
}
}
internal Microsoft.Xna.Framework.Rectangle GetScissorRectangleFor(Camera camera, IRenderableIpso ipso)
{
if (ipso == null)
{
return(new Microsoft.Xna.Framework.Rectangle(
0, 0,
camera.ClientWidth,
camera.ClientHeight
));
}
else
{
float worldX = ipso.GetAbsoluteLeft();
float worldY = ipso.GetAbsoluteTop();
float screenX;
float screenY;
camera.WorldToScreen(worldX, worldY, out screenX, out screenY);
int left = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenX);
int top = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenY);
worldX = ipso.GetAbsoluteRight();
worldY = ipso.GetAbsoluteBottom();
camera.WorldToScreen(worldX, worldY, out screenX, out screenY);
int right = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenX);
int bottom = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenY);
left = System.Math.Max(0, left);
top = System.Math.Max(0, top);
right = System.Math.Max(0, right);
bottom = System.Math.Max(0, bottom);
left = System.Math.Min(left, camera.ClientWidth);
right = System.Math.Min(right, camera.ClientWidth);
top = System.Math.Min(top, camera.ClientHeight);
bottom = System.Math.Min(bottom, camera.ClientHeight);
int width = System.Math.Max(0, right - left);
int height = System.Math.Max(0, bottom - top);
// ScissorRectangles are relative to the viewport in Gum, so we need to adjust for that:
left += this.GraphicsDevice.Viewport.X;
right += this.GraphicsDevice.Viewport.X;
if (SubtractViewportYForMonoGameGlBug)
{
top -= this.GraphicsDevice.Viewport.Y;
bottom -= this.GraphicsDevice.Viewport.Y;
}
else
{
top += this.GraphicsDevice.Viewport.Y;
bottom += this.GraphicsDevice.Viewport.Y;
}
Microsoft.Xna.Framework.Rectangle thisRectangle = new Microsoft.Xna.Framework.Rectangle(
left,
top,
width,
height);
return(thisRectangle);
}
}
internal Microsoft.Xna.Framework.Rectangle GetScissorRectangleFor(Camera camera, IRenderableIpso ipso)
{
if (ipso == null)
{
return new Microsoft.Xna.Framework.Rectangle(
0, 0,
camera.ClientWidth,
camera.ClientHeight
);
}
else
{
float worldX = ipso.GetAbsoluteLeft();
float worldY = ipso.GetAbsoluteTop();
float screenX;
float screenY;
camera.WorldToScreen(worldX, worldY, out screenX, out screenY);
int left = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenX);
int top = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenY);
worldX = ipso.GetAbsoluteRight();
worldY = ipso.GetAbsoluteBottom();
camera.WorldToScreen(worldX, worldY, out screenX, out screenY);
int right = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenX);
int bottom = global::RenderingLibrary.Math.MathFunctions.RoundToInt(screenY);
left = System.Math.Max(0, left);
top = System.Math.Max(0, top);
right = System.Math.Max(0, right);
bottom = System.Math.Max(0, bottom);
left = System.Math.Min(left, camera.ClientWidth);
right = System.Math.Min(right, camera.ClientWidth);
top = System.Math.Min(top, camera.ClientHeight);
bottom = System.Math.Min(bottom, camera.ClientHeight);
int width = System.Math.Max(0, right - left);
int height = System.Math.Max(0, bottom - top);
Microsoft.Xna.Framework.Rectangle thisRectangle = new Microsoft.Xna.Framework.Rectangle(
left,
top,
width,
height);
return thisRectangle;
}
}