private void UpdateLeftItem(RangeChancesController <T> targetRangeChancesController, float delta)
{
var selectedValue = targetRangeChancesController.RangeChancesUnits[_dragCache.activePartitionId];
selectedValue.SetUnitRange(selectedValue.UnitRange + new Vector2(0, delta));
targetRangeChancesController.RangeChancesUnits[_dragCache.activePartitionId] = selectedValue;
}
private bool ValidateSliderMovement(RangeChancesController <T> targetRangeChancesController, float delta)
{
bool isLeftPartitionHappy = targetRangeChancesController.RangeChancesUnits[_dragCache.activePartitionId].ChanceRawForm + delta > 0.0f;
bool isRightPartitionHappy = targetRangeChancesController.RangeChancesUnits[_dragCache.activePartitionId + 1].ChanceRawForm - delta > 0.0f;
return(isLeftPartitionHappy && isRightPartitionHappy);
}
private void UpdateRightItem(RangeChancesController <T> targetRangeChancesController, float delta)
{
var nextItemIndex = _dragCache.activePartitionId + 1;
var nextItemValue = targetRangeChancesController.RangeChancesUnits[nextItemIndex];
nextItemValue.SetUnitRange(nextItemValue.UnitRange + new Vector2(delta, 0f));
targetRangeChancesController.RangeChancesUnits[nextItemIndex] = nextItemValue;
}
private void UpdateItems(RangeChancesController <T> targetRangeChancesController, float delta)
{
UpdateLeftItem(targetRangeChancesController, delta);
if (_dragCache.activePartitionId < targetRangeChancesController.RangeChancesUnits.Count - 1)
{
UpdateRightItem(targetRangeChancesController, delta);
}
targetRangeChancesController.onChancesChanged?.Invoke();
GUI.changed = true;
}
private void ProceedDragAction(float cascadeSliderWidth, RangeChancesController <T> targetRangeChancesController)
{
if (GUIUtility.hotControl != _sliderControlId)
{
return;
}
if (!CalculateDeltaAndCheckSliderStep(cascadeSliderWidth, out var delta))
{
return;
}
if (ValidateSliderMovement(targetRangeChancesController, delta))
{
UpdateItems(targetRangeChancesController, delta);
}
var currentEvent = Event.current;
_dragCache.lastCachedMousePosition = currentEvent.mousePosition;
currentEvent.Use();
}
private float DrawRanges(RangeChancesController <T> targetRangeChancesController)
{
var sliderRect = CreateSliderRectangle();
float currentX = sliderRect.x;
float cascadeBoxStartY = sliderRect.y + SliderbarTopMargin;
var rangeChanceUnitsCount = targetRangeChancesController.RangeChancesUnits.Count;
float cascadeSliderWidth = sliderRect.width - rangeChanceUnitsCount * PartitionHandleWidth;
int colorIndex = -1;
Color origTextColor = GUI.color;
Color origBackgroundColor = GUI.backgroundColor;
for (int i = 0; i < rangeChanceUnitsCount; ++i)
{
colorIndex = (colorIndex + 1) % _spawnRangeColors.Length;
GUI.backgroundColor = _spawnRangeColors[colorIndex];
float boxLength = cascadeSliderWidth * targetRangeChancesController.RangeChancesUnits[i].ChanceRawForm;
Rect partitionRect = new Rect(currentX, cascadeBoxStartY, boxLength, SliderbarHeight);
GUI.Box(partitionRect, GUIContent.none, SliderbarStyleName);
currentX += boxLength;
GUI.color = Color.white;
Rect textRect = partitionRect;
var cascadeText = $"Elem. {i} - {targetRangeChancesController.RangeChancesUnits[i].ChanceHumanForm}";
GUI.Label(textRect, new GUIContent(cascadeText), _textStyle);
if (i == rangeChanceUnitsCount - 1)
{
break;
}
GUI.backgroundColor = Color.black;
Rect handleRect = partitionRect;
handleRect.x = currentX;
handleRect.width = PartitionHandleWidth;
GUI.Box(handleRect, GUIContent.none, SliderbarStyleName);
Rect handleHitRect = handleRect;
handleHitRect.xMin -= PartitionHandleExtraHitAreaWidth;
handleHitRect.xMax += PartitionHandleExtraHitAreaWidth;
if (handleHitRect.Contains(Event.current.mousePosition))
{
_hotPartitionHandleIndex = i;
}
if (_dragCache == null)
{
EditorGUIUtility.AddCursorRect(handleHitRect, MouseCursor.ResizeHorizontal, _sliderControlId);
}
currentX += PartitionHandleWidth;
}
GUI.color = origTextColor;
GUI.backgroundColor = origBackgroundColor;
return(cascadeSliderWidth);
}
