// Draw Material Preview
void CreateMaterialPreview()
{
var evt = Event.current;
var property = serializedObject.FindProperty("Material");
var rowRect = GUILayoutUtility.GetRect(k_MaterialRowHeight, k_MaterialRowHeight);
// Need to save this rect during Repaint and use it during Layout for the AreaScope,
// otherwise the AreaScope is 1 by 1 px.
if (Event.current.type == EventType.Repaint)
{
m_MaterialPreviewRect = rowRect;
}
var hoverPreviewBorderStyle = GUIStyle.none;
if (rowRect.Contains(evt.mousePosition))
{
hoverPreviewBorderStyle = m_PreviewBorderStyle;
}
// Scroll wheel can cycle through modules.
if (rowRect.Contains(evt.mousePosition) &&
evt.type == EventType.ScrollWheel)
{
m_TurretBuilder.CycleModules("Material", (int)evt.delta.y);
m_TurretBuilder.ResetAllModulePreviewEditors();
m_TurretBuilder.RegenerateTurret();
evt.Use();
}
using (var previewScope = new GUILayout.AreaScope(m_MaterialPreviewRect))
{
var material = property.objectReferenceValue as Material;
var currentMaterialTexture = material?.mainTexture as Texture2D;
if (currentMaterialTexture != null)
{
m_MaterialPreviewStyle.normal.background = currentMaterialTexture;
}
else if (material != null)
{
var background = new Texture2D(1, 1);
background.SetPixel(0, 0, material.color);
background.Apply();
m_MaterialPreviewStyle.normal.background = background;
}
GUI.Box(new Rect(-30, -330, 1000, 1000), GUIContent.none, m_MaterialPreviewStyle);
}
using (var previewScope = new GUILayout.AreaScope(m_MaterialPreviewRect))
{
// Top hover border.
GUILayout.Box(
GUIContent.none, hoverPreviewBorderStyle,
GUILayout.Height(k_BorderWidth));
using (new GUILayout.HorizontalScope())
{
GUILayout.FlexibleSpace();
using (new GUILayout.VerticalScope())
{
GUILayout.FlexibleSpace();
EditorGUI.BeginChangeCheck();
EditorGUILayout.PropertyField(property, GUILayout.Width(k_PreviewSize));
if (EditorGUI.EndChangeCheck())
{
serializedObject.ApplyModifiedProperties();
m_TurretBuilder.ResetAllModulePreviewEditors();
m_TurretBuilder.RegenerateTurret();
}
}
GUILayout.FlexibleSpace();
}
// Bottom hover border.
GUILayout.Box(
GUIContent.none, hoverPreviewBorderStyle,
GUILayout.Height(k_BorderWidth));
}
}
//
//
//
#endregion
#region CreateInspectorGUI()
//
//
//
public override VisualElement CreateInspectorGUI()
{
// Reset root element and reuse.
var root = m_RootElement;
root.Clear();
// Turn the UXML into a VisualElement hierarchy under root.
m_ModulesVisualTree.CloneTree(root);
// Create Module Previews
root.Query(classes: new string[] { "module-preview" })
.ForEach((preview) =>
{
preview.Add(CreateModuleUI(preview.name));
});
// Change Detection
root.RegisterCallback <ChangeEvent <Object> >(evt =>
{
var element = evt.target as ObjectField;
var moduleName = element.bindingPath;
if (moduleName == "Material")
{
UpdateMaterialPreview();
m_TurretBuilder.ResetAllModulePreviewEditors();
}
else
{
m_TurretBuilder.ResetModulePreviewEditor(moduleName);
}
m_TurretBuilder.RegenerateTurret();
});
// Material Preview
{
var turret = target as Turret;
var material = turret.Material;
var texture = material?.mainTexture as Texture2D;
var imageElement = root.Q("MaterialImage");
imageElement.style.backgroundImage = null;
if (texture != null)
{
imageElement.style.backgroundImage = texture;
}
else if (material != null)
{
imageElement.style.backgroundColor = material.color;
}
else
{
imageElement.style.backgroundColor = Color.clear;
}
}
root.Q("MaterialImage").AddManipulator(new TextureDragger());
// Module Cycling via Scroll Wheel
root.Query(classes: new string[] { "preview" }).ForEach((preview) =>
{
preview.RegisterCallback <WheelEvent>(evt =>
{
var element = evt.currentTarget as VisualElement;
m_TurretBuilder.CycleModules(element.name, (int)evt.delta.y);
evt.StopPropagation();
});
});
return(root);
}
