} // end of MaterialPicker SetDefaultSelection()
public bool TouchIsOverMaterialSelection(TouchContact touch, Camera camera)
{
Matrix mat;
BoundingSphere sphere; // Sphere we wrap around elements for hit testing.
float? dist = null; // Dist to sphere bounds hit.
// Test in-focus element for hit.
UIGridMaterialElement e = grid.SelectionElement as UIGridMaterialElement;
if (e != null)
{
Vector2 touchHit = touch.position;
Ray ray = new Ray(camera.From, camera.ScreenToWorldCoords(touchHit));
mat = e.HitWorldMatrix;
sphere = new BoundingSphere(mat.Translation, 2.5f * mat.M33);
dist = ray.Intersects(sphere);
if (dist != null)
{
return(true);
}
}
return(false);
}
public override void Render(Camera camera)
{
if (active && !hidden)
{
// Render reticule around selected material.
CameraSpaceQuad quad = CameraSpaceQuad.GetInstance();
UIGridMaterialElement e = (UIGridMaterialElement)grid.SelectionElement;
Vector2 position = new Vector2(e.Position.X, e.Position.Y);
position.X += grid.WorldMatrix.Translation.X;
position.Y += grid.WorldMatrix.Translation.Y;
Vector2 size = 2.0f * new Vector2(e.Size.X, e.Size.Y);
quad.Render(camera, reticuleTexture, position, size, @"AdditiveBlend");
// Trigger icons?
double curTime = Time.WallClockTotalSeconds;
double dTime = curTime - lastChangedTime;
if (GamePadInput.ActiveMode == GamePadInput.InputMode.GamePad && dTime > kPreFadeTime)
{
dTime -= kPreFadeTime;
float alpha = Math.Min((float)(dTime / kFadeTime), 1.0f);
Vector2 offset = size * 0.4f;
size *= 0.4f;
// Note the 12/64 in the positioning accounts for the fact that the
// button textures only use the upper 40x40 out of the 64x64 space they allocate.
// The 12 is actually (64-40)/2.
quad.Render(camera, ButtonTextures.RightTrigger, alpha, position + offset + size * 12.0f / 64.0f, size, @"TexturedRegularAlpha");
offset.X = -offset.X;
quad.Render(camera, ButtonTextures.LeftTrigger, alpha, position + offset + size * 12.0f / 64.0f, size, @"TexturedRegularAlpha");
}
}
base.Render(camera);
/*
* // Debug code to show spherical bounding hits.
* Vector4 red = new Vector4(1, 0, 0, 0.5f);
* if (active && !hidden)
* {
* for (int i = 0; i < grid.ActualDimensions.X; i++)
* {
* UIGridMaterialElement e = grid.Get(i, 0) as UIGridMaterialElement;
*
* // Don't bother if offscreen.
* Vector3 position = e.WorldMatrix.Translation;
* float radius = 2.0f;
* Frustum.CullResult cullResult = camera.Frustum.CullTest(position, radius);
* if (cullResult == Frustum.CullResult.TotallyOutside)
* continue;
*
* Utils.DrawSolidSphere(camera, e.HitWorldMatrix.Translation, 2.5f * e.HitWorldMatrix.M33, red);
* }
* }
*/
} // end of MaterialPicker Render()
// c'tor
public MaterialPicker(OnSetMaterial onSet, OnGetMaterial onGet)
: base(onSet, onGet)
{
helpOverlay = @"MaterialPicker";
altHelpOverlay = @"MaterialFilterPicker";
// Create material elements for the grid.
// Start with a blob of common parameters.
UIGridElement.ParamBlob blob = new UIGridElement.ParamBlob();
blob.width = 1.0f;
blob.height = 1.0f;
blob.edgeSize = 0.1f;
blob.selectedColor = Color.White;
Vector4 transparentWhite = new Vector4(1.0f, 1.0f, 1.0f, 0.5f);
blob.unselectedColor = new Color(transparentWhite);
blob.normalMapName = @"QuarterRound4NormalMap";
// Create and populate grid.
grid = new UIGrid(OnSelect, OnCancel, new Point(TerrainMaterial.MaxNum, 1), "TerrainEdit.MaterialPicker");
numMaterials = 0;
UIGridMaterialElement e = null;
for (int i = 0; i < TerrainMaterial.MaxNum; i++)
{
e = new UIGridMaterialElement(i);
e.SelectedScale = 0.8f;
e.UnselectedScale = 0.5f;
grid.Add(e, numMaterials++, 0);
}
// Set grid properties.
grid.IgnoreInput = true; // We'll control the grid selection from here instead of internally.
grid.Spacing = new Vector2(0.25f, 0.0f);
grid.Scrolling = true;
grid.Wrap = false;
grid.LocalMatrix = Matrix.CreateTranslation(0.0f, -2.5f, 0.0f);
OnSampleType = SampleType;
} // end of MaterialPicker c'tor
public override bool HandleMouseInput(Camera camera)
{
Matrix mat;
BoundingSphere sphere; // Sphere we wrap around elements for hit testing.
float? dist = null; // Dist to sphere bounds hit.
bool handled = false;
// Test in-focus element for hit.
UIGridMaterialElement e = grid.SelectionElement as UIGridMaterialElement;
if (e != null)
{
Vector2 mouseHit = new Vector2(MouseInput.Position.X, MouseInput.Position.Y);
Ray ray = new Ray(camera.From, camera.ScreenToWorldCoords(mouseHit));
mat = e.HitWorldMatrix;
sphere = new BoundingSphere(mat.Translation, 2.5f * mat.M33);
dist = ray.Intersects(sphere);
if (dist != null)
{
if (MouseInput.Left.WasPressed)
{
MouseInput.ClickedOnObject = e;
handled = true;
}
if (MouseInput.Left.WasReleased && MouseInput.ClickedOnObject == e)
{
SelectCurrentChoice();
Foley.PlayPressA();
return(true);
}
}
// Test elements not in focus. If one is hit, bring it to the fore.
// Need to test inside out so that if any overlap we test the front
// ones first and react to them. If we find a UV hit with a tile
// we break to skip testing the rest.
// Left side first.
for (int i = grid.SelectionIndex.X - 1; i >= 0; i--)
{
e = grid.Get(i, 0) as UIGridMaterialElement;
mat = e.HitWorldMatrix;
sphere = new BoundingSphere(mat.Translation, 2.5f * mat.M33);
dist = ray.Intersects(sphere);
if (dist != null)
{
if (MouseInput.Left.WasPressed)
{
MouseInput.ClickedOnObject = e;
handled = true;
}
if (MouseInput.Left.WasReleased && MouseInput.ClickedOnObject == e)
{
int steps = grid.SelectionIndex.X - i;
while (steps > 0)
{
DecrementFocus();
--steps;
}
handled = true;
}
break;
}
}
// Now the right side.
for (int i = grid.SelectionIndex.X + 1; i < grid.ActualDimensions.X; i++)
{
e = grid.Get(i, 0) as UIGridMaterialElement;
mat = e.HitWorldMatrix;
sphere = new BoundingSphere(mat.Translation, 2.5f * mat.M33);
dist = ray.Intersects(sphere);
if (dist != null)
{
if (MouseInput.Left.WasPressed)
{
MouseInput.ClickedOnObject = e;
handled = true;
}
if (MouseInput.Left.WasReleased && MouseInput.ClickedOnObject == e)
{
int steps = i - grid.SelectionIndex.X;
while (steps > 0)
{
IncrementFocus();
--steps;
}
handled = true;
}
break;
}
}
}
return(handled);
} // end of HandleMouseInput()
