Urho3D/bin/Data/Scripts/Editor/EditorHierarchyWindow.as
2018-05-14 07:43:45 +08:00

1946 lines
61 KiB
ActionScript

// Urho3D editor hierarchy window handling
const int ITEM_NONE = 0;
const int ITEM_NODE = 1;
const int ITEM_COMPONENT = 2;
const int ITEM_UI_ELEMENT = 3;
const uint NO_ITEM = M_MAX_UNSIGNED;
const StringHash SCENE_TYPE("Scene");
const StringHash NODE_TYPE("Node");
const StringHash STATICMODEL_TYPE("StaticModel");
const StringHash ANIMATEDMODEL_TYPE("AnimatedModel");
const StringHash STATICMODELGROUP_TYPE("StaticModelGroup");
const StringHash SPLINEPATH_TYPE("SplinePath");
const StringHash CONSTRAINT_TYPE("Constraint");
const String NO_CHANGE(uint8(0));
const StringHash TYPE_VAR("Type");
const StringHash NODE_ID_VAR("NodeID");
const StringHash COMPONENT_ID_VAR("ComponentID");
const StringHash UI_ELEMENT_ID_VAR("UIElementID");
const StringHash DRAGDROPCONTENT_VAR("DragDropContent");
const StringHash[] ID_VARS = { StringHash(""), NODE_ID_VAR, COMPONENT_ID_VAR, UI_ELEMENT_ID_VAR };
Color nodeTextColor(1.0f, 1.0f, 1.0f);
Color componentTextColor(0.7f, 1.0f, 0.7f);
Window@ hierarchyWindow;
ListView@ hierarchyList;
bool showID = true;
// UIElement does not have unique ID, so use a running number to generate a new ID each time an item is inserted into hierarchy list
const uint UI_ELEMENT_BASE_ID = 1;
uint uiElementNextID = UI_ELEMENT_BASE_ID;
bool showInternalUIElement = false;
bool showTemporaryObject = false;
Array<uint> hierarchyUpdateSelections;
Variant GetUIElementID(UIElement@ element)
{
Variant elementID = element.GetVar(UI_ELEMENT_ID_VAR);
if (elementID.empty)
{
// Generate new ID
elementID = uiElementNextID++;
// Store the generated ID
element.vars[UI_ELEMENT_ID_VAR] = elementID;
}
return elementID;
}
UIElement@ GetUIElementByID(const Variant&in id)
{
return id == UI_ELEMENT_BASE_ID ? editorUIElement : editorUIElement.GetChild(UI_ELEMENT_ID_VAR, id, true);
}
void CreateHierarchyWindow()
{
if (hierarchyWindow !is null)
return;
hierarchyWindow = LoadEditorUI("UI/EditorHierarchyWindow.xml");
hierarchyList = hierarchyWindow.GetChild("HierarchyList");
ui.root.AddChild(hierarchyWindow);
int height = Min(ui.root.height - 60, 500);
hierarchyWindow.SetSize(300, height);
hierarchyWindow.SetPosition(35, 100);
hierarchyWindow.opacity = uiMaxOpacity;
hierarchyWindow.BringToFront();
UpdateHierarchyItem(editorScene);
// Set selection to happen on click end, so that we can drag nodes to the inspector without resetting the inspector view
hierarchyList.selectOnClickEnd = true;
// Set drag & drop target mode on the node list background, which is used to parent nodes back to the root node
hierarchyList.contentElement.dragDropMode = DD_TARGET;
hierarchyList.scrollPanel.dragDropMode = DD_TARGET;
SubscribeToEvent(hierarchyWindow.GetChild("CloseButton", true), "Released", "HideHierarchyWindow");
SubscribeToEvent(hierarchyWindow.GetChild("ExpandButton", true), "Released", "ExpandCollapseHierarchy");
SubscribeToEvent(hierarchyWindow.GetChild("CollapseButton", true), "Released", "ExpandCollapseHierarchy");
SubscribeToEvent(hierarchyWindow.GetChild("ResetButton", true), "Released", "CollapseHierarchy");
SubscribeToEvent(hierarchyWindow.GetChild("ShowID", true), "Toggled", "HandleShowID");
SubscribeToEvent(hierarchyList, "SelectionChanged", "HandleHierarchyListSelectionChange");
SubscribeToEvent(hierarchyList, "ItemDoubleClicked", "HandleHierarchyListDoubleClick");
SubscribeToEvent(hierarchyList, "ItemClicked", "HandleHierarchyItemClick");
SubscribeToEvent("DragDropTest", "HandleDragDropTest");
SubscribeToEvent("DragDropFinish", "HandleDragDropFinish");
SubscribeToEvent(editorScene, "ComponentAdded", "HandleComponentAdded");
SubscribeToEvent(editorScene, "ComponentRemoved", "HandleComponentRemoved");
SubscribeToEvent(editorScene, "NodeEnabledChanged", "HandleNodeEnabledChanged");
SubscribeToEvent(editorScene, "ComponentEnabledChanged", "HandleComponentEnabledChanged");
SubscribeToEvent("TemporaryChanged", "HandleTemporaryChanged");
}
bool ToggleHierarchyWindow()
{
if (hierarchyWindow.visible == false)
ShowHierarchyWindow();
else
HideHierarchyWindow();
return true;
}
void ShowHierarchyWindow()
{
hierarchyWindow.visible = true;
hierarchyWindow.BringToFront();
}
void HideHierarchyWindow()
{
if(viewportMode == VIEWPORT_COMPACT)
return;
hierarchyWindow.visible = false;
}
void ExpandCollapseHierarchy(StringHash eventType, VariantMap& eventData)
{
Button@ button = eventData["Element"].GetPtr();
bool enable = button.name == "ExpandButton";
CheckBox@ checkBox = hierarchyWindow.GetChild("AllCheckBox", true);
bool all = checkBox.checked;
checkBox.checked = false; // Auto-reset
Array<uint> selections = hierarchyList.selections;
for (uint i = 0; i < selections.length; ++i)
hierarchyList.Expand(selections[i], enable, all);
}
void EnableExpandCollapseButtons(bool enable)
{
String[] buttons = { "ExpandButton", "CollapseButton", "AllCheckBox" };
for (uint i = 0; i < buttons.length; ++i)
{
UIElement@ element = hierarchyWindow.GetChild(buttons[i], true);
element.enabled = enable;
element.children[0].color = enable ? normalTextColor : nonEditableTextColor;
}
}
void UpdateHierarchyItem(Serializable@ serializable, bool clear = false)
{
if (clear)
{
// Remove the current selection before updating the list item (in turn trigger an update on the attribute editor)
hierarchyList.ClearSelection();
// Clear copybuffer when whole window refreshed
sceneCopyBuffer.Clear();
uiElementCopyBuffer.Clear();
}
// In case of item's parent is not found in the hierarchy list then the item will be inserted at the list root level
Serializable@ parent;
switch (GetType(serializable))
{
case ITEM_NODE:
parent = cast<Node>(serializable).parent;
break;
case ITEM_COMPONENT:
parent = cast<Component>(serializable).node;
break;
case ITEM_UI_ELEMENT:
parent = cast<UIElement>(serializable).parent;
break;
default:
break;
}
UIElement@ parentItem = hierarchyList.items[GetListIndex(parent)];
UpdateHierarchyItem(GetListIndex(serializable), serializable, parentItem);
}
uint UpdateHierarchyItem(uint itemIndex, Serializable@ serializable, UIElement@ parentItem)
{
// Whenever we're updating, disable layout update to optimize speed
hierarchyList.contentElement.DisableLayoutUpdate();
if (serializable is null)
{
hierarchyList.RemoveItem(itemIndex);
hierarchyList.contentElement.EnableLayoutUpdate();
hierarchyList.contentElement.UpdateLayout();
return itemIndex;
}
int itemType = GetType(serializable);
Variant id = GetID(serializable, itemType);
// Remove old item if exists
if (itemIndex < hierarchyList.numItems && MatchID(hierarchyList.items[itemIndex], id, itemType))
hierarchyList.RemoveItem(itemIndex);
Text@ text = Text();
hierarchyList.InsertItem(itemIndex, text, parentItem);
text.style = "FileSelectorListText";
if (serializable.type == SCENE_TYPE || serializable is editorUIElement)
// The root node (scene) and editor's root UIElement cannot be moved by drag and drop
text.dragDropMode = DD_TARGET;
else
// Internal UIElement is not able to participate in drag and drop action
text.dragDropMode = itemType == ITEM_UI_ELEMENT && cast<UIElement>(serializable).internal ? DD_DISABLED : DD_SOURCE_AND_TARGET;
// Advance the index for the child items
if (itemIndex == M_MAX_UNSIGNED)
itemIndex = hierarchyList.numItems;
else
++itemIndex;
String iconType = serializable.typeName;
if (serializable is editorUIElement)
iconType = "Root" + iconType;
IconizeUIElement(text, iconType);
SetID(text, serializable, itemType);
switch (itemType)
{
case ITEM_NODE:
{
Node@ node = cast<Node>(serializable);
text.text = GetNodeTitle(node);
text.color = nodeTextColor;
SetIconEnabledColor(text, node.enabled);
// Update components first
for (uint i = 0; i < node.numComponents; ++i)
{
Component@ component = node.components[i];
if (showTemporaryObject || !component.temporary)
AddComponentItem(itemIndex++, component, text);
}
// Then update child nodes recursively
for (uint i = 0; i < node.numChildren; ++i)
{
Node@ childNode = node.children[i];
if (showTemporaryObject || !childNode.temporary)
itemIndex = UpdateHierarchyItem(itemIndex, childNode, text);
}
break;
}
case ITEM_COMPONENT:
{
Component@ component = cast<Component>(serializable);
text.text = GetComponentTitle(component);
text.color = componentTextColor;
SetIconEnabledColor(text, component.enabledEffective);
break;
}
case ITEM_UI_ELEMENT:
{
UIElement@ element = cast<UIElement>(serializable);
text.text = GetUIElementTitle(element);
SetIconEnabledColor(text, element.visible);
// Update child elements recursively
for (uint i = 0; i < element.numChildren; ++i)
{
UIElement@ childElement = element.children[i];
if ((showInternalUIElement || !childElement.internal) && (showTemporaryObject || !childElement.temporary))
itemIndex = UpdateHierarchyItem(itemIndex, childElement, text);
}
break;
}
default:
break;
}
// Re-enable layout update (and do manual layout) now
hierarchyList.contentElement.EnableLayoutUpdate();
hierarchyList.contentElement.UpdateLayout();
return itemIndex;
}
void UpdateHierarchyItemText(uint itemIndex, bool iconEnabled, const String&in textTitle = NO_CHANGE)
{
Text@ text = hierarchyList.items[itemIndex];
if (text is null)
return;
SetIconEnabledColor(text, iconEnabled);
if (textTitle != NO_CHANGE)
text.text = textTitle;
}
void AddComponentItem(uint compItemIndex, Component@ component, UIElement@ parentItem)
{
Text@ text = Text();
hierarchyList.InsertItem(compItemIndex, text, parentItem);
text.style = "FileSelectorListText";
text.vars[TYPE_VAR] = ITEM_COMPONENT;
text.vars[NODE_ID_VAR] = component.node.id;
text.vars[COMPONENT_ID_VAR] = component.id;
text.text = GetComponentTitle(component);
text.color = componentTextColor;
text.dragDropMode = DD_SOURCE_AND_TARGET;
IconizeUIElement(text, component.typeName);
SetIconEnabledColor(text, component.enabledEffective);
}
int GetType(Serializable@ serializable)
{
if (cast<Node>(serializable) !is null)
return ITEM_NODE;
else if (cast<Component>(serializable) !is null)
return ITEM_COMPONENT;
else if (cast<UIElement>(serializable) !is null)
return ITEM_UI_ELEMENT;
else
return ITEM_NONE;
}
void SetID(Text@ text, Serializable@ serializable, int itemType = ITEM_NONE)
{
// If item type is not provided, auto detect it
if (itemType == ITEM_NONE)
itemType = GetType(serializable);
text.vars[TYPE_VAR] = itemType;
text.vars[ID_VARS[itemType]] = GetID(serializable, itemType);
// Set node ID as drag and drop content for node ID editing
if (itemType == ITEM_NODE)
text.vars[DRAGDROPCONTENT_VAR] = String(text.vars[NODE_ID_VAR].GetUInt());
switch (itemType)
{
case ITEM_COMPONENT:
text.vars[NODE_ID_VAR] = cast<Component>(serializable).node.id;
break;
case ITEM_UI_ELEMENT:
// Subscribe to UI-element events
SubscribeToEvent(serializable, "NameChanged", "HandleElementNameChanged");
SubscribeToEvent(serializable, "VisibleChanged", "HandleElementVisibilityChanged");
SubscribeToEvent(serializable, "Resized", "HandleElementAttributeChanged");
SubscribeToEvent(serializable, "Positioned", "HandleElementAttributeChanged");
break;
default:
break;
}
}
uint GetID(Serializable@ serializable, int itemType = ITEM_NONE)
{
// If item type is not provided, auto detect it
if (itemType == ITEM_NONE)
itemType = GetType(serializable);
switch (itemType)
{
case ITEM_NODE:
return cast<Node>(serializable).id;
case ITEM_COMPONENT:
return cast<Component>(serializable).id;
case ITEM_UI_ELEMENT:
return GetUIElementID(cast<UIElement>(serializable)).GetUInt();
}
return M_MAX_UNSIGNED;
}
bool MatchID(UIElement@ element, const Variant&in id, int itemType)
{
return element.GetVar(TYPE_VAR).GetInt() == itemType && element.GetVar(ID_VARS[itemType]) == id;
}
uint GetListIndex(Serializable@ serializable)
{
if (serializable is null)
return NO_ITEM;
int itemType = GetType(serializable);
Variant id = GetID(serializable, itemType);
uint numItems = hierarchyList.numItems;
for (uint i = 0; i < numItems; ++i)
{
if (MatchID(hierarchyList.items[i], id, itemType))
return i;
}
return NO_ITEM;
}
UIElement@ GetListUIElement(uint index)
{
UIElement@ item = hierarchyList.items[index];
if (item is null)
return null;
// Get the text item's ID and use it to retrieve the actual UIElement the text item is associated to
return GetUIElementByID(GetUIElementID(item));
}
Node@ GetListNode(uint index)
{
UIElement@ item = hierarchyList.items[index];
if (item is null)
return null;
return editorScene.GetNode(item.vars[NODE_ID_VAR].GetUInt());
}
Component@ GetListComponent(uint index)
{
UIElement@ item = hierarchyList.items[index];
return GetListComponent(item);
}
Component@ GetListComponent(UIElement@ item)
{
if (item is null)
return null;
if (item.vars[TYPE_VAR].GetInt() != ITEM_COMPONENT)
return null;
return editorScene.GetComponent(item.vars[COMPONENT_ID_VAR].GetUInt());
}
uint GetComponentListIndex(Component@ component)
{
if (component is null)
return NO_ITEM;
uint numItems = hierarchyList.numItems;
for (uint i = 0; i < numItems; ++i)
{
UIElement@ item = hierarchyList.items[i];
if (item.vars[TYPE_VAR].GetInt() == ITEM_COMPONENT && item.vars[COMPONENT_ID_VAR].GetUInt() == component.id)
return i;
}
return NO_ITEM;
}
String GetUIElementTitle(UIElement@ element)
{
String ret;
// Only top level UI-element has this variable
String modifiedStr = element.GetVar(MODIFIED_VAR).GetBool() ? "*" : "";
ret = (element.name.empty ? element.typeName : element.name) + modifiedStr + " [" + GetUIElementID(element).ToString() + "]";
if (element.temporary)
ret += " (Temp)";
return ret;
}
String GetNodeTitle(Node@ node)
{
String ret;
if (node.name.empty)
ret = node.typeName;
else
ret = node.name;
if (showID)
{
if (node.replicated)
ret += " (" + String(node.id) + ")";
else
ret += " (Local " + String(node.id) + ")";
if (node.temporary)
ret += " (Temp)";
}
return ret;
}
String GetComponentTitle(Component@ component)
{
String ret = component.typeName;
if (showID)
{
if (!component.replicated)
ret += " (Local)";
if (component.temporary)
ret += " (Temp)";
}
return ret;
}
void SelectNode(Node@ node, bool multiselect)
{
if (node is null && !multiselect)
{
hierarchyList.ClearSelection();
return;
}
lastSelectedNode = node;
uint index = GetListIndex(node);
uint numItems = hierarchyList.numItems;
if (index < numItems)
{
// Expand the node chain now
if (!multiselect || !hierarchyList.IsSelected(index))
{
// Go in the parent chain up to make sure the chain is expanded
Node@ current = node;
do
{
hierarchyList.Expand(GetListIndex(current), true);
current = current.parent;
}
while (current !is null);
}
// This causes an event to be sent, in response we set the node/component selections, and refresh editors
if (!multiselect)
hierarchyList.selection = index;
else
hierarchyList.ToggleSelection(index);
}
else if (!multiselect)
hierarchyList.ClearSelection();
}
void DeselectNode(Node@ node)
{
if (node is null)
{
hierarchyList.ClearSelection();
return;
}
uint index = GetListIndex(node);
uint numItems = hierarchyList.numItems;
if (index < numItems)
{
hierarchyList.ToggleSelection(index);
}
}
void SelectComponent(Component@ component, bool multiselect)
{
if (component is null && !multiselect)
{
hierarchyList.ClearSelection();
return;
}
Node@ node = component.node;
if (node is null && !multiselect)
{
hierarchyList.ClearSelection();
return;
}
uint nodeIndex = GetListIndex(node);
uint componentIndex = GetComponentListIndex(component);
uint numItems = hierarchyList.numItems;
if (nodeIndex < numItems && componentIndex < numItems)
{
// Expand the node chain now
if (!multiselect || !hierarchyList.IsSelected(componentIndex))
{
// Go in the parent chain up to make sure the chain is expanded
Node@ current = node;
do
{
hierarchyList.Expand(GetListIndex(current), true);
current = current.parent;
}
while (current !is null);
}
// This causes an event to be sent, in response we set the node/component selections, and refresh editors
if (!multiselect)
hierarchyList.selection = componentIndex;
else
hierarchyList.ToggleSelection(componentIndex);
}
else if (!multiselect)
hierarchyList.ClearSelection();
}
void SelectUIElement(UIElement@ element, bool multiselect)
{
uint index = GetListIndex(element);
uint numItems = hierarchyList.numItems;
if (index < numItems)
{
// Expand the node chain now
if (!multiselect || !hierarchyList.IsSelected(index))
{
// Go in the parent chain up to make sure the chain is expanded
UIElement@ current = element;
do
{
hierarchyList.Expand(GetListIndex(current), true);
current = current.parent;
}
while (current !is null);
}
if (!multiselect)
hierarchyList.selection = index;
else
hierarchyList.ToggleSelection(index);
}
else if (!multiselect)
hierarchyList.ClearSelection();
}
// Find the first selected StaticModel/AtimatedModel component or node with it
Model@ FindFirstSelectedModel()
{
for (uint i = 0; i < selectedComponents.length; ++i)
{
// Get SM, but also works well for AnimatedModel
StaticModel@ sm = cast<StaticModel>(selectedComponents[i]);
if (sm !is null && sm.model !is null)
return sm.model;
}
for (uint i = 0; i < selectedNodes.length; ++i)
{
for (uint j = 0; j < selectedNodes[i].numComponents; ++j)
{
StaticModel@ sm = cast<StaticModel>(selectedNodes[i].components[j]);
if (sm !is null && sm.model !is null)
return sm.model;
}
}
return null;
}
void UpdateModelInfo(Model@ model)
{
if (model is null)
{
modelInfoText.text = "";
return;
}
String infoStr = "Model: " + model.name;
infoStr += "\n Morphs: " + model.numMorphs;
for (uint g = 0; g < model.numGeometries; ++g)
{
uint numLods = model.numGeometryLodLevels[g];
infoStr += "\n Geometry " + g + "\n Lods: " + numLods;
for (uint l = 0; l < numLods; l++)
{
Geometry@ geom = model.GetGeometry(g, l);
infoStr += "\n Vertex Count: " + geom.vertexCount;
infoStr += "\n Index Count: " + geom.indexCount;
}
}
modelInfoText.text = infoStr;
}
void HandleHierarchyListSelectionChange()
{
if (inSelectionModify)
return;
ClearSceneSelection();
ClearUIElementSelection();
Array<uint> indices = hierarchyList.selections;
// Enable Expand/Collapse button when there is selection
EnableExpandCollapseButtons(indices.length > 0);
for (uint i = 0; i < indices.length; ++i)
{
uint index = indices[i];
UIElement@ item = hierarchyList.items[index];
int type = item.vars[TYPE_VAR].GetInt();
if (type == ITEM_COMPONENT)
{
Component@ comp = GetListComponent(index);
if (comp !is null)
selectedComponents.Push(comp);
}
else if (type == ITEM_NODE)
{
Node@ node = GetListNode(index);
if (node !is null)
selectedNodes.Push(node);
}
else if (type == ITEM_UI_ELEMENT)
{
UIElement@ element = GetListUIElement(index);
if (element !is null && element !is editorUIElement)
selectedUIElements.Push(element);
}
}
// If only one node/UIElement selected, use it for editing
if (selectedNodes.length == 1)
editNode = selectedNodes[0];
if (selectedUIElements.length == 1)
editUIElement = selectedUIElements[0];
// If selection contains only components, and they have a common node, use it for editing
if (selectedNodes.empty && !selectedComponents.empty)
{
Node@ commonNode;
for (uint i = 0; i < selectedComponents.length; ++i)
{
if (i == 0)
commonNode = selectedComponents[i].node;
else
{
if (selectedComponents[i].node !is commonNode)
commonNode = null;
}
}
editNode = commonNode;
}
UpdateModelInfo(FindFirstSelectedModel());
// Now check if the component(s) can be edited. If many selected, must have same type or have same edit node
if (!selectedComponents.empty)
{
if (editNode is null)
{
StringHash compType = selectedComponents[0].type;
bool sameType = true;
for (uint i = 1; i < selectedComponents.length; ++i)
{
if (selectedComponents[i].type != compType)
{
sameType = false;
break;
}
}
if (sameType)
editComponents = selectedComponents;
}
else
{
editComponents = selectedComponents;
numEditableComponentsPerNode = selectedComponents.length;
}
}
// If just nodes selected, and no components, show as many matching components for editing as possible
if (!selectedNodes.empty && selectedComponents.empty && selectedNodes[0].numComponents > 0)
{
uint count = 0;
for (uint j = 0; j < selectedNodes[0].numComponents; ++j)
{
StringHash compType = selectedNodes[0].components[j].type;
bool sameType = true;
for (uint i = 1; i < selectedNodes.length; ++i)
{
if (selectedNodes[i].numComponents <= j || selectedNodes[i].components[j].type != compType)
{
sameType = false;
break;
}
}
if (sameType)
{
++count;
for (uint i = 0; i < selectedNodes.length; ++i)
editComponents.Push(selectedNodes[i].components[j]);
}
}
if (count > 1)
numEditableComponentsPerNode = count;
}
if (selectedNodes.empty && editNode !is null)
editNodes.Push(editNode);
else
{
editNodes = selectedNodes;
// Cannot multi-edit on scene and node(s) together as scene and node do not share identical attributes,
// editing via gizmo does not make too much sense either
if (editNodes.length > 1 && editNodes[0] is editorScene)
editNodes.Erase(0);
}
if (selectedUIElements.empty && editUIElement !is null)
editUIElements.Push(editUIElement);
else
editUIElements = selectedUIElements;
PositionGizmo();
UpdateAttributeInspector();
UpdateCameraPreview();
}
void HandleHierarchyListDoubleClick(StringHash eventType, VariantMap& eventData)
{
UIElement@ item = eventData["Item"].GetPtr();
int type = item.vars[TYPE_VAR].GetInt();
// Locate nodes from the scene by double-clicking
if (type == ITEM_NODE)
{
Node@ node = editorScene.GetNode(item.vars[NODE_ID_VAR].GetUInt());
Array<Node@> nodes;
nodes.Push(node);
LocateNodes(nodes);
}
else if (type == ITEM_COMPONENT)
{
Component@ component = editorScene.GetComponent(item.vars[COMPONENT_ID_VAR].GetUInt());
Array<Component@> components;
components.Push(component);
LocateComponents(components);
}
bool isExpanded = hierarchyList.IsExpanded(hierarchyList.selection);
if (!isExpanded && eventData["Button"].GetInt() == MOUSEB_LEFT)
{
isExpanded = !isExpanded;
hierarchyList.Expand(hierarchyList.selection, isExpanded, false);
}
}
void HandleHierarchyItemClick(StringHash eventType, VariantMap& eventData)
{
if (eventData["Button"].GetInt() != MOUSEB_RIGHT)
return;
UIElement@ uiElement = eventData["Item"].GetPtr();
int selectionIndex = eventData["Selection"].GetInt();
Array<UIElement@> actions;
int type = uiElement.vars[TYPE_VAR].GetInt();
// Adds left clicked items to selection which is not normal listview behavior
if (type == ITEM_COMPONENT || type == ITEM_NODE)
{
if (input.keyDown[KEY_LSHIFT])
hierarchyList.AddSelection(selectionIndex);
else
{
hierarchyList.ClearSelection();
hierarchyList.AddSelection(selectionIndex);
}
}
if (type == ITEM_COMPONENT)
{
Component@ targetComponent = editorScene.GetComponent(uiElement.vars[COMPONENT_ID_VAR].GetUInt());
if (targetComponent is null)
return;
actions.Push(CreateContextMenuItem("Copy", "HandleHierarchyContextCopy"));
actions.Push(CreateContextMenuItem("Cut", "HandleHierarchyContextCut"));
actions.Push(CreateContextMenuItem("Delete", "HandleHierarchyContextDelete"));
actions.Push(CreateContextMenuItem("Paste", "HandleHierarchyContextPaste"));
actions.Push(CreateContextMenuItem("Enable/disable", "HandleHierarchyContextEnableDisable"));
/* actions.Push(CreateBrowserFileActionMenu("Edit", "HandleBrowserEditResource", file)); */
}
else if (type == ITEM_NODE)
{
actions.Push(CreateContextMenuItem("Create Replicated Node", "HandleHierarchyContextCreateReplicatedNode"));
actions.Push(CreateContextMenuItem("Create Local Node", "HandleHierarchyContextCreateLocalNode"));
actions.Push(CreateContextMenuItem("Duplicate", "HandleHierarchyContextDuplicate"));
actions.Push(CreateContextMenuItem("Copy", "HandleHierarchyContextCopy"));
actions.Push(CreateContextMenuItem("Cut", "HandleHierarchyContextCut"));
actions.Push(CreateContextMenuItem("Delete", "HandleHierarchyContextDelete"));
actions.Push(CreateContextMenuItem("Paste", "HandleHierarchyContextPaste"));
actions.Push(CreateContextMenuItem("Reset to default", "HandleHierarchyContextResetToDefault"));
actions.Push(CreateContextMenuItem("Reset position", "HandleHierarchyContextResetPosition"));
actions.Push(CreateContextMenuItem("Reset rotation", "HandleHierarchyContextResetRotation"));
actions.Push(CreateContextMenuItem("Reset scale", "HandleHierarchyContextResetScale"));
actions.Push(CreateContextMenuItem("Enable/disable", "HandleHierarchyContextEnableDisable"));
actions.Push(CreateContextMenuItem("Unparent", "HandleHierarchyContextUnparent"));
}
else if (type == ITEM_UI_ELEMENT)
{
// close ui element
actions.Push(CreateContextMenuItem("Close UI-Layout", "HandleHierarchyContextUIElementCloseUILayout"));
actions.Push(CreateContextMenuItem("Close all UI-layouts", "HandleHierarchyContextUIElementCloseAllUILayouts"));
}
if (actions.length > 0)
ActivateContextMenu(actions);
}
void HandleDragDropTest(StringHash eventType, VariantMap& eventData)
{
UIElement@ source = eventData["Source"].GetPtr();
UIElement@ target = eventData["Target"].GetPtr();
int itemType;
eventData["Accept"] = TestDragDrop(source, target, itemType);
}
void HandleDragDropFinish(StringHash eventType, VariantMap& eventData)
{
UIElement@ source = eventData["Source"].GetPtr();
UIElement@ target = eventData["Target"].GetPtr();
int itemType = ITEM_NONE;
bool accept = TestDragDrop(source, target, itemType);
eventData["Accept"] = accept;
if (!accept)
return;
// Resource browser
if (source !is null && source.GetVar(TEXT_VAR_RESOURCE_TYPE).GetInt() > 0)
{
int type = source.GetVar(TEXT_VAR_RESOURCE_TYPE).GetInt();
BrowserFile@ browserFile = GetBrowserFileFromId(source.vars[TEXT_VAR_FILE_ID].GetUInt());
if (browserFile is null)
return;
Component@ createdComponent;
if (itemType == ITEM_NODE)
{
Node@ targetNode = editorScene.GetNode(target.vars[NODE_ID_VAR].GetUInt());
if (targetNode is null)
return;
if (type == RESOURCE_TYPE_PREFAB)
{
LoadNode(browserFile.GetFullPath(), targetNode);
}
else if(type == RESOURCE_TYPE_SCRIPTFILE)
{
// TODO: not sure what to do here. lots of choices.
}
else if(type == RESOURCE_TYPE_MODEL)
{
CreateModelWithStaticModel(browserFile.resourceKey, targetNode);
return;
}
else if (type == RESOURCE_TYPE_PARTICLEEFFECT)
{
if (browserFile.extension == "xml")
{
ParticleEffect@ effect = cache.GetResource("ParticleEffect", browserFile.resourceKey);
if (effect is null)
return;
ParticleEmitter@ emitter = targetNode.CreateComponent("ParticleEmitter");
emitter.effect = effect;
createdComponent = emitter;
}
}
else if (type == RESOURCE_TYPE_2D_PARTICLE_EFFECT)
{
if (browserFile.extension == "xml")
{
Resource@ effect = cache.GetResource("ParticleEffect2D", browserFile.resourceKey);
if (effect is null)
return;
ResourceRef effectRef;
effectRef.type = effect.type;
effectRef.name = effect.name;
Component@ emitter = targetNode.CreateComponent("ParticleEmitter2D");
emitter.SetAttribute("Particle Effect", Variant(effectRef));
createdComponent = emitter;
}
}
}
else if (itemType == ITEM_COMPONENT)
{
Component@ targetComponent = editorScene.GetComponent(target.vars[COMPONENT_ID_VAR].GetUInt());
if (targetComponent is null)
return;
if (type == RESOURCE_TYPE_MATERIAL)
{
StaticModel@ model = cast<StaticModel>(targetComponent);
if (model is null)
return;
AssignMaterial(model, browserFile.resourceKey);
}
else if (type == RESOURCE_TYPE_MODEL)
{
StaticModel@ staticModel = cast<StaticModel>(targetComponent);
if (staticModel is null)
return;
AssignModel(staticModel, browserFile.resourceKey);
}
}
else
{
LineEdit@ text = cast<LineEdit>(target);
if (text is null)
return;
text.text = browserFile.resourceKey;
VariantMap data();
data["Element"] = text;
data["Text"] = text.text;
text.SendEvent("TextFinished", data);
}
if (createdComponent !is null)
{
CreateLoadedComponent(createdComponent);
}
return;
}
if (itemType == ITEM_NODE)
{
Node@ targetNode = editorScene.GetNode(target.vars[NODE_ID_VAR].GetUInt());
Array<Node@> sourceNodes = GetMultipleSourceNodes(source);
if (sourceNodes.length > 0)
{
if (input.qualifierDown[QUAL_CTRL] && sourceNodes.length == 1)
SceneReorder(sourceNodes[0], targetNode);
else
{
// If target is null, parent to scene
if (targetNode is null)
targetNode = editorScene;
if (sourceNodes.length > 1)
SceneChangeParent(sourceNodes[0], sourceNodes, targetNode);
else
SceneChangeParent(sourceNodes[0], targetNode);
}
// Focus the node at its new position in the list which in turn should trigger a refresh in attribute inspector
FocusNode(sourceNodes[0]);
}
}
else if (itemType == ITEM_UI_ELEMENT)
{
UIElement@ sourceElement = GetUIElementByID(source.vars[UI_ELEMENT_ID_VAR].GetUInt());
UIElement@ targetElement = GetUIElementByID(target.vars[UI_ELEMENT_ID_VAR].GetUInt());
// If target is null, cannot proceed
if (targetElement is null)
return;
if (input.qualifierDown[QUAL_CTRL])
{
if (!UIElementReorder(sourceElement, targetElement))
return;
}
else
{
if (!UIElementChangeParent(sourceElement, targetElement))
return;
}
// Focus the element at its new position in the list which in turn should trigger a refresh in attribute inspector
FocusUIElement(sourceElement);
}
else if (itemType == ITEM_COMPONENT)
{
Component@ targetComponent = editorScene.GetComponent(target.vars[COMPONENT_ID_VAR].GetUInt());
Array<Node@> sourceNodes = GetMultipleSourceNodes(source);
if (input.qualifierDown[QUAL_CTRL] && sourceNodes.length == 1)
{
// Reorder components within node
Component@ sourceComponent = editorScene.GetComponent(source.vars[COMPONENT_ID_VAR].GetUInt());
SceneReorder(sourceComponent, targetComponent);
}
else
{
if (targetComponent !is null && sourceNodes.length > 0)
{
// Drag node to StaticModelGroup to make it an instance
StaticModelGroup@ smg = cast<StaticModelGroup>(targetComponent);
if (smg !is null)
{
// Save undo action
EditAttributeAction action;
uint attrIndex = GetAttributeIndex(smg, "Instance Nodes");
Variant oldIDs = smg.attributes[attrIndex];
for (uint i = 0; i < sourceNodes.length; ++i)
smg.AddInstanceNode(sourceNodes[i]);
action.Define(smg, attrIndex, oldIDs);
SaveEditAction(action);
SetSceneModified();
UpdateAttributeInspector(false);
}
// Drag node to SplinePath to make it a control point
SplinePath@ spline = cast<SplinePath>(targetComponent);
if (spline !is null)
{
// Save undo action
EditAttributeAction action;
uint attrIndex = GetAttributeIndex(spline, "Control Points");
Variant oldIDs = spline.attributes[attrIndex];
for (uint i = 0; i < sourceNodes.length; ++i)
spline.AddControlPoint(sourceNodes[i]);
action.Define(spline, attrIndex, oldIDs);
SaveEditAction(action);
SetSceneModified();
UpdateAttributeInspector(false);
}
// Drag a node to Constraint to make it the remote end of the constraint
Constraint@ constraint = cast<Constraint>(targetComponent);
RigidBody@ rigidBody = sourceNodes[0].GetComponent("RigidBody");
if (constraint !is null && rigidBody !is null)
{
// Save undo action
EditAttributeAction action;
uint attrIndex = GetAttributeIndex(constraint, "Other Body NodeID");
Variant oldID = constraint.attributes[attrIndex];
constraint.otherBody = rigidBody;
action.Define(constraint, attrIndex, oldID);
SaveEditAction(action);
SetSceneModified();
UpdateAttributeInspector(false);
}
}
}
}
}
Array<Node@> GetMultipleSourceNodes(UIElement@ source)
{
Array<Node@> nodeList;
Node@ node = editorScene.GetNode(source.vars[NODE_ID_VAR].GetUInt());
if (node !is null)
nodeList.Push(node);
// Handle additional selected children from a ListView
if (source.parent !is null && source.parent.typeName == "HierarchyContainer")
{
ListView@ listView_ = cast<ListView>(source.parent.parent.parent);
if (listView_ is null)
return nodeList;
bool sourceIsSelected = false;
for (uint i = 0; i < listView_.selectedItems.length; ++i)
{
if (listView_.selectedItems[i] is source)
{
sourceIsSelected = true;
break;
}
}
if (sourceIsSelected)
{
for (uint i = 0; i < listView_.selectedItems.length; ++i)
{
UIElement@ item_ = listView_.selectedItems[i];
// The source item is already added
if (item_ is source)
continue;
if (item_.vars[TYPE_VAR] == ITEM_NODE)
{
Node@ n = editorScene.GetNode(item_.vars[NODE_ID_VAR].GetUInt());
if (n !is null)
nodeList.Push(n);
}
}
}
}
return nodeList;
}
bool TestDragDrop(UIElement@ source, UIElement@ target, int& itemType)
{
int targetItemType = target.GetVar(TYPE_VAR).GetInt();
if (targetItemType == ITEM_NODE)
{
Node@ sourceNode;
Node@ targetNode;
Variant variant = source.GetVar(NODE_ID_VAR);
if (!variant.empty)
sourceNode = editorScene.GetNode(variant.GetUInt());
variant = target.GetVar(NODE_ID_VAR);
if (!variant.empty)
targetNode = editorScene.GetNode(variant.GetUInt());
Array<Node@> sourceNodes = GetMultipleSourceNodes(source);
if (sourceNode !is null && targetNode !is null)
{
itemType = ITEM_NODE;
// Ctrl pressed: reorder
if (input.qualifierDown[QUAL_CTRL] && sourceNodes.length == 1)
{
// Must be within the same parent
if (sourceNode.parent is null || sourceNode.parent !is targetNode.parent)
return false;
}
// No ctrl: Reparent
else
{
if (sourceNode.parent is targetNode)
return false;
if (targetNode.parent is sourceNode)
return false;
}
}
// Resource browser
if (sourceNode is null && targetNode !is null)
{
itemType = ITEM_NODE;
int type = source.GetVar(TEXT_VAR_RESOURCE_TYPE).GetInt();
return type == RESOURCE_TYPE_PREFAB ||
type == RESOURCE_TYPE_SCRIPTFILE ||
type == RESOURCE_TYPE_MODEL ||
type == RESOURCE_TYPE_PARTICLEEFFECT ||
type == RESOURCE_TYPE_2D_PARTICLE_EFFECT;
}
return true;
}
else if (targetItemType == ITEM_UI_ELEMENT)
{
UIElement@ sourceElement;
UIElement@ targetElement;
Variant variant = source.GetVar(UI_ELEMENT_ID_VAR);
if (!variant.empty)
sourceElement = GetUIElementByID(variant.GetUInt());
variant = target.GetVar(UI_ELEMENT_ID_VAR);
if (!variant.empty)
targetElement = GetUIElementByID(variant.GetUInt());
if (sourceElement !is null && targetElement !is null)
{
itemType = ITEM_UI_ELEMENT;
// Ctrl pressed: reorder
if (input.qualifierDown[QUAL_CTRL])
{
// Must be within the same parent
if (sourceElement.parent is null || sourceElement.parent !is targetElement.parent)
return false;
}
// No ctrl: reparent
else
{
if (sourceElement.parent is targetElement)
return false;
if (targetElement.parent is sourceElement)
return false;
}
}
return true;
}
else if (targetItemType == ITEM_COMPONENT)
{
Node@ sourceNode;
Component@ sourceComponent;
Component@ targetComponent;
Variant variant = source.GetVar(NODE_ID_VAR);
if (!variant.empty)
sourceNode = editorScene.GetNode(variant.GetUInt());
variant = target.GetVar(COMPONENT_ID_VAR);
if (!variant.empty)
targetComponent = editorScene.GetComponent(variant.GetUInt());
variant = source.GetVar(COMPONENT_ID_VAR);
if (!variant.empty)
sourceComponent = editorScene.GetComponent(variant.GetUInt());
Array<Node@> sourceNodes = GetMultipleSourceNodes(source);
itemType = ITEM_COMPONENT;
if (input.qualifierDown[QUAL_CTRL] && sourceNodes.length == 1)
{
// Reorder components within node
if (sourceComponent !is null && targetComponent !is null && sourceComponent.node is targetComponent.node)
return true;
}
else
{
// Dragging of nodes to StaticModelGroup, SplinePath or Constraint
if (sourceNode !is null && targetComponent !is null && (targetComponent.type == STATICMODELGROUP_TYPE ||
targetComponent.type == CONSTRAINT_TYPE || targetComponent.type == SPLINEPATH_TYPE))
return true;
// Resource browser
int type = source.GetVar(TEXT_VAR_RESOURCE_TYPE).GetInt();
if (targetComponent.type == STATICMODEL_TYPE || targetComponent.type == ANIMATEDMODEL_TYPE)
return type == RESOURCE_TYPE_MATERIAL || type == RESOURCE_TYPE_MODEL;
}
return false;
}
else if (source.vars.Contains(TEXT_VAR_RESOURCE_TYPE)) // only testing resource browser ui elements
{
int type = source.GetVar(TEXT_VAR_RESOURCE_TYPE).GetInt();
// Test against resource pickers
LineEdit@ lineEdit = cast<LineEdit>(target);
if (lineEdit !is null)
{
StringHash resourceType = GetResourceTypeFromPickerLineEdit(lineEdit);
if (resourceType == StringHash("Material") && type == RESOURCE_TYPE_MATERIAL)
return true;
else if (resourceType == StringHash("Model") && type == RESOURCE_TYPE_MODEL)
return true;
else if (resourceType == StringHash("Animation") && type == RESOURCE_TYPE_ANIMATION)
return true;
}
}
return true;
}
StringHash GetResourceTypeFromPickerLineEdit(UIElement@ lineEdit)
{
Array<Serializable@>@ targets = GetAttributeEditorTargets(lineEdit);
if (!targets.empty)
{
resourcePickIndex = lineEdit.vars["Index"].GetUInt();
resourcePickSubIndex = lineEdit.vars["SubIndex"].GetUInt();
AttributeInfo info = targets[0].attributeInfos[resourcePickIndex];
StringHash resourceType;
if (info.type == VAR_RESOURCEREF)
return targets[0].attributes[resourcePickIndex].GetResourceRef().type;
else if (info.type == VAR_RESOURCEREFLIST)
return targets[0].attributes[resourcePickIndex].GetResourceRefList().type;
else if (info.type == VAR_VARIANTVECTOR)
return targets[0].attributes[resourcePickIndex].GetVariantVector()[resourcePickSubIndex].GetResourceRef().type;
}
return StringHash();
}
void FocusNode(Node@ node)
{
uint index = GetListIndex(node);
hierarchyList.selection = index;
}
void FocusComponent(Component@ component)
{
uint index = GetComponentListIndex(component);
hierarchyList.selection = index;
}
void FocusUIElement(UIElement@ element)
{
uint index = GetListIndex(element);
hierarchyList.selection = index;
}
void CreateBuiltinObject(const String& name)
{
Node@ newNode = editorScene.CreateChild(name, REPLICATED);
// Set the new node a certain distance from the camera
newNode.position = GetNewNodePosition();
StaticModel@ object = newNode.CreateComponent("StaticModel");
object.model = cache.GetResource("Model", "Models/" + name + ".mdl");
// Create an undo action for the create
CreateNodeAction action;
action.Define(newNode);
SaveEditAction(action);
SetSceneModified();
FocusNode(newNode);
}
bool CheckHierarchyWindowFocus()
{
// When we do edit operations based on key shortcuts, make sure the hierarchy list is focused
return ui.focusElement is hierarchyList || ui.focusElement is null;
}
bool CheckForExistingGlobalComponent(Node@ node, const String&in typeName)
{
if (typeName != "Octree" && typeName != "PhysicsWorld" && typeName != "DebugRenderer")
return false;
else
return node.HasComponent(typeName);
}
void HandleNodeAdded(StringHash eventType, VariantMap& eventData)
{
if (suppressSceneChanges)
return;
Node@ node = eventData["Node"].GetPtr();
if (showTemporaryObject || !node.temporary)
UpdateHierarchyItem(node);
}
void HandleNodeRemoved(StringHash eventType, VariantMap& eventData)
{
if (suppressSceneChanges)
return;
Node@ node = eventData["Node"].GetPtr();
if (showTemporaryObject || !node.temporary)
UpdateHierarchyItem(GetListIndex(node), null, null);
}
void HandleComponentAdded(StringHash eventType, VariantMap& eventData)
{
if (suppressSceneChanges)
return;
// Insert the newly added component at last component position but before the first child node position of the parent node
Node@ node = eventData["Node"].GetPtr();
Component@ component = eventData["Component"].GetPtr();
if (showTemporaryObject || (!node.temporary && !component.temporary))
{
uint nodeIndex = GetListIndex(node);
if (nodeIndex != NO_ITEM)
{
uint index = node.numChildren > 0 ? GetListIndex(node.children[0]) : M_MAX_UNSIGNED;
UpdateHierarchyItem(index, component, hierarchyList.items[nodeIndex]);
}
}
}
void HandleComponentRemoved(StringHash eventType, VariantMap& eventData)
{
if (suppressSceneChanges)
return;
Node@ node = eventData["Node"].GetPtr();
Component@ component = eventData["Component"].GetPtr();
if (showTemporaryObject || (!node.temporary && !component.temporary))
{
uint index = GetComponentListIndex(component);
if (index != NO_ITEM)
hierarchyList.RemoveItem(index);
}
}
void HandleNodeNameChanged(StringHash eventType, VariantMap& eventData)
{
if (suppressSceneChanges)
return;
Node@ node = eventData["Node"].GetPtr();
if (showTemporaryObject || !node.temporary)
UpdateHierarchyItemText(GetListIndex(node), node.enabled, GetNodeTitle(node));
}
void HandleNodeEnabledChanged(StringHash eventType, VariantMap& eventData)
{
if (suppressSceneChanges)
return;
Node@ node = eventData["Node"].GetPtr();
if (showTemporaryObject || !node.temporary)
{
UpdateHierarchyItemText(GetListIndex(node), node.enabled);
attributesDirty = true;
}
}
void HandleComponentEnabledChanged(StringHash eventType, VariantMap& eventData)
{
if (suppressSceneChanges)
return;
Node@ node = eventData["Node"].GetPtr();
Component@ component = eventData["Component"].GetPtr();
if (showTemporaryObject || (!node.temporary && !component.temporary))
{
UpdateHierarchyItemText(GetComponentListIndex(component), component.enabledEffective);
attributesDirty = true;
}
}
void HandleUIElementAdded(StringHash eventType, VariantMap& eventData)
{
if (suppressUIElementChanges)
return;
UIElement@ element = eventData["Element"].GetPtr();
if ((showInternalUIElement || !element.internal) && (showTemporaryObject || !element.temporary))
UpdateHierarchyItem(element);
}
void HandleUIElementRemoved(StringHash eventType, VariantMap& eventData)
{
if (suppressUIElementChanges)
return;
UIElement@ element = eventData["Element"].GetPtr();
UpdateHierarchyItem(GetListIndex(element), null, null);
}
void HandleElementNameChanged(StringHash eventType, VariantMap& eventData)
{
if (suppressUIElementChanges)
return;
UIElement@ element = eventData["Element"].GetPtr();
UpdateHierarchyItemText(GetListIndex(element), element.visible, GetUIElementTitle(element));
}
void HandleElementVisibilityChanged(StringHash eventType, VariantMap& eventData)
{
if (suppressUIElementChanges)
return;
UIElement@ element = eventData["Element"].GetPtr();
UpdateHierarchyItemText(GetListIndex(element), element.visible);
}
void HandleElementAttributeChanged(StringHash eventType, VariantMap& eventData)
{
// Do not refresh the attribute inspector while the attribute is being edited via the attribute-editors
if (suppressUIElementChanges || inEditAttribute)
return;
UIElement@ element = eventData["Element"].GetPtr();
for (uint i = 0; i < editUIElements.length; ++i)
{
if (editUIElements[i] is element)
attributesDirty = true;
}
}
void HandleTemporaryChanged(StringHash eventType, VariantMap& eventData)
{
if (suppressSceneChanges || suppressUIElementChanges)
return;
Serializable@ serializable = cast<Serializable>(GetEventSender());
Node@ node = cast<Node>(serializable);
if (node !is null && node.scene is editorScene)
{
if (showTemporaryObject)
UpdateHierarchyItemText(GetListIndex(node), node.enabled);
else if (!node.temporary && GetListIndex(node) == NO_ITEM)
UpdateHierarchyItem(node);
else if (node.temporary)
UpdateHierarchyItem(GetListIndex(node), null, null);
return;
}
Component@ component = cast<Component>(serializable);
if (component !is null && component.node !is null && component.node.scene is editorScene)
{
node = component.node;
if (showTemporaryObject)
UpdateHierarchyItemText(GetComponentListIndex(component), node.enabled);
else if (!component.temporary && GetComponentListIndex(component) == NO_ITEM)
{
uint nodeIndex = GetListIndex(node);
if (nodeIndex != NO_ITEM)
{
uint index = node.numChildren > 0 ? GetListIndex(node.children[0]) : M_MAX_UNSIGNED;
UpdateHierarchyItem(index, component, hierarchyList.items[nodeIndex]);
}
}
else if (component.temporary)
{
uint index = GetComponentListIndex(component);
if (index != NO_ITEM)
hierarchyList.RemoveItem(index);
}
return;
}
UIElement@ element = cast<UIElement>(serializable);
if (element !is null)
{
if (showTemporaryObject)
UpdateHierarchyItemText(GetListIndex(element), element.visible);
else if (!element.temporary && GetListIndex(element) == NO_ITEM)
UpdateHierarchyItem(element);
else if (element.temporary)
UpdateHierarchyItem(GetListIndex(element), null, null);
return;
}
}
// Hierarchy window edit functions
bool Undo()
{
if (undoStackPos > 0)
{
--undoStackPos;
// Undo commands in reverse order
for (int i = int(undoStack[undoStackPos].actions.length - 1); i >= 0; --i)
undoStack[undoStackPos].actions[i].Undo();
}
return true;
}
bool Redo()
{
if (undoStackPos < undoStack.length)
{
// Redo commands in same order as stored
for (uint i = 0; i < undoStack[undoStackPos].actions.length; ++i)
undoStack[undoStackPos].actions[i].Redo();
++undoStackPos;
}
return true;
}
bool Cut()
{
if (CheckHierarchyWindowFocus())
{
bool ret = true;
if (!selectedNodes.empty || !selectedComponents.empty)
ret = ret && SceneCut();
// Not mutually exclusive
if (!selectedUIElements.empty)
ret = ret && UIElementCut();
return ret;
}
return false;
}
bool Duplicate()
{
if (CheckHierarchyWindowFocus())
{
bool ret = true;
if (!selectedNodes.empty || !selectedComponents.empty)
ret = ret && (selectedNodes.empty || selectedComponents.empty ? SceneDuplicate() : false); // Node and component is mutually exclusive for copy action
// Not mutually exclusive
if (!selectedUIElements.empty)
ret = ret && UIElementDuplicate();
return ret;
}
return false;
}
bool Copy()
{
if (CheckHierarchyWindowFocus())
{
bool ret = true;
if (!selectedNodes.empty || !selectedComponents.empty)
ret = ret && (selectedNodes.empty || selectedComponents.empty ? SceneCopy() : false); // Node and component is mutually exclusive for copy action
// Not mutually exclusive
if (!selectedUIElements.empty)
ret = ret && UIElementCopy();
return ret;
}
return false;
}
bool Paste()
{
if (CheckHierarchyWindowFocus())
{
bool ret = true;
if (editNode !is null && !sceneCopyBuffer.empty)
ret = ret && ScenePaste();
// Not mutually exclusive
if (editUIElement !is null && !uiElementCopyBuffer.empty)
ret = ret && UIElementPaste();
return ret;
}
return false;
}
bool BlenderModeDelete()
{
if (ui.focusElement is null)
{
Array<UIElement@> actions;
actions.Push(CreateContextMenuItem("Delete?", "HandleBlenderModeDelete"));
actions.Push(CreateContextMenuItem("Cancel", "HandleEmpty"));
if (actions.length > 0)
{
ActivateContextMenu(actions);
return true;
}
}
return false;
}
bool Delete()
{
if (CheckHierarchyWindowFocus())
{
bool ret = true;
if (!selectedNodes.empty || !selectedComponents.empty)
ret = ret && SceneDelete();
// Not mutually exclusive
if (!selectedUIElements.empty)
ret = ret && UIElementDelete();
return ret;
}
return false;
}
bool SelectAll()
{
if (CheckHierarchyWindowFocus())
{
if (!selectedNodes.empty || !selectedComponents.empty)
return SceneSelectAll();
else if (!selectedUIElements.empty || hierarchyList.items[GetListIndex(editorUIElement)].selected)
return UIElementSelectAll();
else
return SceneSelectAll(); // If nothing is selected yet, fall back to scene select all
}
return false;
}
bool DeselectAll()
{
if (CheckHierarchyWindowFocus())
{
BeginSelectionModify();
hierarchyList.ClearSelection();
EndSelectionModify();
return true;
}
return false;
}
bool ResetToDefault()
{
if (CheckHierarchyWindowFocus())
{
bool ret = true;
if (!selectedNodes.empty || !selectedComponents.empty)
ret = ret && (selectedNodes.empty || selectedComponents.empty ? SceneResetToDefault() : false); // Node and component is mutually exclusive for reset-to-default action
// Not mutually exclusive
if (!selectedUIElements.empty)
ret = ret && UIElementResetToDefault();
return ret;
}
return false;
}
void ClearEditActions()
{
undoStack.Clear();
undoStackPos = 0;
}
void SaveEditAction(EditAction@ action)
{
// Create a group with 1 action
EditActionGroup group;
group.actions.Push(action);
SaveEditActionGroup(group);
}
void SaveEditActionGroup(EditActionGroup@ group)
{
if (group.actions.empty)
return;
// Truncate the stack first to current pos
undoStack.Resize(undoStackPos);
undoStack.Push(group);
++undoStackPos;
// Limit maximum undo steps
if (undoStack.length > MAX_UNDOSTACK_SIZE)
{
undoStack.Erase(0);
--undoStackPos;
}
}
void BeginSelectionModify()
{
// A large operation on selected nodes is about to begin. Disable intermediate selection updates
inSelectionModify = true;
// Cursor shape reverts back to normal automatically after the large operation is completed
ui.cursor.shape = CS_BUSY;
}
void EndSelectionModify()
{
// The large operation on selected nodes has ended. Update node/component selection now
inSelectionModify = false;
HandleHierarchyListSelectionChange();
}
void HandleHierarchyContextCreateReplicatedNode()
{
CreateNode(REPLICATED);
}
void HandleHierarchyContextCreateLocalNode()
{
CreateNode(LOCAL);
}
void HandleHierarchyContextDuplicate()
{
Duplicate();
}
void HandleHierarchyContextCopy()
{
Copy();
}
void HandleHierarchyContextCut()
{
Cut();
}
void HandleHierarchyContextDelete()
{
Delete();
}
void HandleBlenderModeDelete()
{
Delete();
}
void HandleEmpty()
{
//just doing nothing
}
void HandleHierarchyContextPaste()
{
Paste();
}
void HandleHierarchyContextResetToDefault()
{
ResetToDefault();
}
void HandleHierarchyContextResetPosition()
{
SceneResetPosition();
}
void HandleHierarchyContextResetRotation()
{
SceneResetRotation();
}
void HandleHierarchyContextResetScale()
{
SceneResetScale();
}
void HandleHierarchyContextEnableDisable()
{
SceneToggleEnable();
}
void HandleHierarchyContextUnparent()
{
SceneUnparent();
}
void HandleHierarchyContextUIElementCloseUILayout()
{
CloseUILayout();
}
void HandleHierarchyContextUIElementCloseAllUILayouts()
{
CloseAllUILayouts();
}
void CollapseHierarchy()
{
Array<uint> oldSelections = hierarchyList.selections;
Array<uint> selections = {0};
hierarchyList.SetSelections(selections);
for (uint i = 0; i < selections.length; ++i)
hierarchyList.Expand(selections[i], false, true);
// only scene's scope expand by default
hierarchyList.Expand(0, true, false);
hierarchyList.SetSelections(oldSelections);
}
void CollapseHierarchy(StringHash eventType, VariantMap& eventData)
{
CollapseHierarchy();
}
void HandleShowID(StringHash eventType, VariantMap& eventData)
{
CheckBox@ checkBox = eventData["Element"].GetPtr();
showID = checkBox.checked;
UpdateHierarchyItem(editorScene, false);
CollapseHierarchy();
}