/// <summary>
/// Update the edit brush for texture and heightmap editing.
/// </summary>
public void UpdateEditBrush()
{
float secs = Time.WallClockFrameSeconds;
// Grab the current state of the gamepad.
GamePadInput pad = GamePadInput.GetGamePad0();
if (InGame.inGame.CurrentUpdateMode == UpdateMode.MouseEdit &&
InGame.inGame.mouseEditUpdateObj.ToolBar.CurrentMode != BaseEditUpdateObj.ToolMode.EditObject &&
InGame.inGame.mouseEditUpdateObj.ToolBar.CurrentMode != BaseEditUpdateObj.ToolMode.Paths)
{
ColorPalette.Active = false;
}
parent.cursor3D.Position = shared.CursorPosition;
shared.CursorPosition = parent.cursor3D.Position;
Vector2 newPosition = new Vector2(shared.CursorPosition.X, shared.CursorPosition.Y);
if (GamePadInput.ActiveMode == GamePadInput.InputMode.KeyboardMouse)
{
newPosition = parent.MouseEdit.DoTerrain(parent.Camera);
parent.Cursor3D.AltPosition = new Vector3(newPosition, 0);
}
else if (GamePadInput.ActiveMode == GamePadInput.InputMode.Touch)
{
newPosition = parent.TouchEdit.DoTerrain(parent.Camera);
parent.Cursor3D.AltPosition = new Vector3(newPosition, 0);
ToggleTouch3DCursor();
//every frame track whether or not it's valid to apply the current terrain tool (paint, etc.)
//this ensures we don't apply the tool just by selecting it
if (TouchInput.TouchCount == 1 && InGame.inGame.TouchEdit.HasNonUITouch() && !TouchInput.WasMultiTouch)
{
float touchAge = (float)(Time.WallClockTotalSeconds - TouchInput.Touches[0].startTime);
//edit brush only allowed if touch has been around for at least 1/4 of a second
shared.editBrushAllowedForTouch = touchAge >= 0.25f;
}
else
{
shared.editBrushAllowedForTouch = false;
}
}
else
{
parent.Cursor3D.AltPosition = parent.Cursor3D.Position;
}
const float minEditBrushMoveSq = 0.25f * 0.25f;
if (Vector2.DistanceSquared(newPosition, shared.editBrushPosition) >= minEditBrushMoveSq)
{
shared.editBrushMoved = true;
}
else
{
shared.editBrushMoved = false;
}
// Update the position, even if it's only a tiny movement.
if (InGame.inGame.SnapToGrid)
{
Vector2 pos = newPosition + brushPositionError;
pos -= brushPositionError;
Vector2 prevPos = pos;
pos = InGame.SnapPosition(pos);
brushPositionError = pos - prevPos;
shared.editBrushPosition = pos;
}
else
{
shared.editBrushPosition = newPosition;
}
//
// Adjust brush size, but only if it's not the selection brush (handled elsewhere).
//
Brush2DManager.Brush2D brush
= Brush2DManager.GetBrush(shared.editBrushIndex);
if (shared.editBrushSizeActive && (brush != null) && ((brush.Type & Brush2DManager.BrushType.Selection) == 0))
{
if (InGame.inGame.SnapToGrid)
{
if (Actions.BrushSmaller.WasPressedOrRepeat || InGame.inGame.touchEditUpdateObj.ToolBar.TouchBrushControls.IsToggled(Boku.ToolBar.TouchControls.BrushActionIDs.baBrushLess))
{
shared.editBrushRadius -= 0.5f;
shared.editBrushRadius = MathHelper.Max(0.5f, shared.editBrushRadius);
}
if (Actions.BrushLarger.WasPressedOrRepeat || InGame.inGame.touchEditUpdateObj.ToolBar.TouchBrushControls.IsToggled(Boku.ToolBar.TouchControls.BrushActionIDs.baBrushMore))
{
shared.editBrushRadius += 0.5f;
}
}
else
{
const float brushGrowthRate = 1.0f;
if (Actions.BrushSmaller.IsPressed || InGame.inGame.touchEditUpdateObj.ToolBar.TouchBrushControls.IsToggled(Boku.ToolBar.TouchControls.BrushActionIDs.baBrushLess))
{
shared.editBrushRadius *= 1.0f - brushGrowthRate * secs;
}
if (Actions.BrushLarger.IsPressed || InGame.inGame.touchEditUpdateObj.ToolBar.TouchBrushControls.IsToggled(Boku.ToolBar.TouchControls.BrushActionIDs.baBrushMore))
{
shared.editBrushRadius *= 1.0f + brushGrowthRate * secs;
}
}
if (shared.editBrushRadius < Terrain.Current.CubeSize)
{
shared.editBrushRadius = Terrain.Current.CubeSize;
}
/// A radius of about 400 adds roughly the entire terrain budget
/// to the scene at once. We'll try for allowing the user 1/3 of the
/// budget at a single go (1/3 of the budget is the top of the green zone)
/// and see what kind of complaints we get.
/// ***-taking it down further, for many benefits.
if (shared.editBrushRadius > kMaxBrushRadius)
{
shared.editBrushRadius = kMaxBrushRadius;
}
}
} // end of BaseEditUpdateObj UpdateEditBrush()
