public ParamSelector(Param defaultParam, int provider = 0, int relativeToProvider = 0,
ParamRelativityType relativityType = ParamRelativityType.None,
ParamNormalRelativity relativeTo = ParamNormalRelativity.Local)
{
this.defaultParam = defaultParam;
this.provider = provider;
this.relativeToProvider = relativeToProvider;
this.relativityType = relativityType;
this.relativeTo = relativeTo;
}
public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
{
int lines = 2;
ParamRelativityType relativityType
= (ParamRelativityType)property.FindPropertyRelative("relativityType").enumValueIndex;
ParamNormalRelativity relativeTo
= (ParamNormalRelativity)property.FindPropertyRelative("relativeTo").enumValueIndex;
if (relativityType != ParamRelativityType.None)
{
lines++;
}
bool showPositionOptions = property.FindPropertyRelative("showPositionOptions").boolValue;
if (showPositionOptions && relativityType == ParamRelativityType.Normal &&
relativeTo != ParamNormalRelativity.World)
{
lines += 2;
}
return(EditorGUIUtility.singleLineHeight * lines + EditorGUIUtility.standardVerticalSpacing * (lines - 1));
}
void DrawRelativityProps(Rect rect, SerializedProperty property, ParamSelectorAttribute attr)
{
ParamRelativityType relativityType
= (ParamRelativityType)property.FindPropertyRelative("relativityType").enumValueIndex;
if (relativityType == ParamRelativityType.Normal)
{
SerializedProperty prop = property.FindPropertyRelative("relativeTo");
ParamNormalRelativity relativeTo = (ParamNormalRelativity)prop.enumValueIndex;
if (relativeTo == ParamNormalRelativity.Object)
{
// draw the label
rect = EditorGUI.PrefixLabel(rect, new GUIContent("Relative To"));
float width = rect.width / 2 - 2;
// draw the relative-to prop
rect = new Rect(rect.x, rect.y, width, EditorGUIUtility.singleLineHeight);
int indentLevel = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
EditorGUI.BeginChangeCheck();
ParamNormalRelativity newRelativeTo = (ParamNormalRelativity)EditorGUI.EnumPopup(rect,
relativeTo);
if (EditorGUI.EndChangeCheck())
{
prop.enumValueIndex = (int)newRelativeTo;
}
// draw a provider picker
rect.x += width + 4;
prop = property.FindPropertyRelative("relativeToProvider");
DrawProviderPicker(rect, prop, attr);
EditorGUI.indentLevel = indentLevel;
}
else
{
EditorGUI.PropertyField(rect, prop);
}
}
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
ParamSelectorAttribute attr = (ParamSelectorAttribute)attribute;
Rect initialRect = position;
if (attr.providers == null || attr.providers.Length == 0)
{
attr.GetProvidersFromStrategy(GetStrategy(property));
}
else if (!attr.hasLabels)
{
attr.BuildLabels(GetStrategy(property));
}
EditorGUI.BeginProperty(position, label, property);
EditorGUI.BeginDisabledGroup(attr.providers.Length == 0);
position = EditorGUI.PrefixLabel(position, label);
float width = position.width / 2 - 2;
Rect rect = new Rect(position.x, position.y, width, EditorGUIUtility.singleLineHeight);
int indentLevel = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
ParamRelativityType relativityType
= (ParamRelativityType)property.FindPropertyRelative("relativityType").enumValueIndex;
ParamNormalRelativity relativeTo
= (ParamNormalRelativity)property.FindPropertyRelative("relativeTo").enumValueIndex;
// draw the provider picker
SerializedProperty prop = property.FindPropertyRelative("provider");
DrawProviderPicker(rect, prop, attr);
// draw the name prop
rect.x += width + 4;
prop = property.FindPropertyRelative("defaultParam.name");
EditorGUI.BeginChangeCheck();
string newName = EditorGUI.DelayedTextField(rect, prop.stringValue);
if (EditorGUI.EndChangeCheck())
{
prop.stringValue = newName;
}
EditorGUI.indentLevel = indentLevel + 1;
float lineHeight = EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
float yOff = lineHeight;
// relativity
if (relativityType != ParamRelativityType.None)
{
rect = initialRect;
rect.height = EditorGUIUtility.singleLineHeight;
rect.y += yOff;
DrawRelativityProps(rect, property, attr);
yOff += lineHeight;
}
// position options
bool showPositionOptions = property.FindPropertyRelative("showPositionOptions").boolValue;
if (showPositionOptions && relativityType == ParamRelativityType.Normal &&
relativeTo != ParamNormalRelativity.World)
{
rect = initialRect;
rect.height = EditorGUIUtility.singleLineHeight;
rect.y += yOff;
EditorGUI.PropertyField(rect, property.FindPropertyRelative("useTransform"));
rect.y += lineHeight;
EditorGUI.PropertyField(rect, property.FindPropertyRelative("useSpriteFlip"));
yOff += lineHeight * 2;
}
// default value
rect = initialRect;
rect.y += yOff;
rect.height = EditorGUIUtility.singleLineHeight;
rect = EditorGUI.PrefixLabel(rect, new GUIContent("Default"));
ParamPropertyDrawer.DrawValueProp(rect, property.FindPropertyRelative("defaultParam"), "");
EditorGUI.indentLevel = indentLevel;
EditorGUI.EndDisabledGroup();
EditorGUI.EndProperty();
}