private static void AddClipsAsBlendTree(AnimationPlayer animationPlayer, PersistedInt selectedLayer, PersistedInt selectedState,
AnimationPlayerEditor editor, List <AnimationClip> animationClips)
{
EditorUtilities.RecordUndo(animationPlayer, "Added clip to Animation Player");
var layer = animationPlayer.layers[selectedLayer];
int numClipsBefore = layer.states.Count;
var newStateName = GetUniqueStateName(BlendTree1D.DefaultName, layer.states);
var newState = BlendTree1D.Create(newStateName);
foreach (var clip in animationClips)
{
var newEntry = new BlendTreeEntry1D
{
clip = clip
};
newState.blendTree.Add(newEntry);
}
layer.states.Add(newState);
selectedState.SetTo(numClipsBefore);
editor.MarkDirty();
}
private static void DrawCreateNewTransition(AnimationPlayer animationPlayer, Action <StateTransition> SetSelectedTransition, string[] stateNamesInLayer,
string fromStateName, string toStateName, AnimationPlayerState selectedState, AnimationLayer layer)
{
using (new EditorGUILayout.HorizontalScope()) {
GUILayout.FlexibleSpace();
if (GUILayout.Button($"Create new transition from {fromStateName}"))
{
GenericMenu menu = new GenericMenu();
foreach (var state in stateNamesInLayer)
{
menu.AddItem(new GUIContent($"Transition from {fromStateName} to {state}"), false, () => {
//@TODO: If this is the first transition between the states, it should be set as default.
EditorUtilities.RecordUndo(animationPlayer, $"Adding transition from {fromStateName} to {toStateName}");
var newState = new StateTransition {
FromState = selectedState,
ToState = layer.states.Find(s => s.Name == state),
transitionData = TransitionData.Linear(.2f)
};
layer.transitions.Add(newState);
SetSelectedTransition(newState);
});
}
menu.ShowAsContext();
}
}
}
private static void DrawAddStateButtons(AnimationPlayer animationPlayer, PersistedInt selectedState, AnimationPlayerEditor editor, AnimationLayer layer)
{
if (GUILayout.Button("Single Clip State", buttonWidth))
{
EditorUtilities.RecordUndo(animationPlayer, "Add state to animation player");
layer.states.Add(SingleClipState.Create(GetUniqueStateName(SingleClipState.DefaultName, layer.states)));
selectedState.SetTo(layer.states.Count - 1);
editor.MarkDirty();
}
if (GUILayout.Button("1D Blend Tree", buttonWidth))
{
EditorUtilities.RecordUndo(animationPlayer, "Add blend tree to animation player");
layer.states.Add(BlendTree1D.Create(GetUniqueStateName(BlendTree1D.DefaultName, layer.states)));
selectedState.SetTo(layer.states.Count - 1);
editor.MarkDirty();
}
if (GUILayout.Button("2D Blend Tree", buttonWidth))
{
EditorUtilities.RecordUndo(animationPlayer, "Add 2D blend tree to animation player");
layer.states.Add(BlendTree2D.Create(GetUniqueStateName(BlendTree2D.DefaultName, layer.states)));
selectedState.SetTo(layer.states.Count - 1);
editor.MarkDirty();
}
}
private static void DoDragAndDrop(AnimationPlayer animationPlayer, PersistedInt selectedLayer, PersistedInt selectedState, AnimationPlayerEditor editor)
{
var dragAndDropRect = EditorUtilities.ReserveRect(GUILayout.Height(62f));
Event evt = Event.current;
GUI.Box(dragAndDropRect, "Drag clips here to add\nthem to the player!", dragAndDropBoxStyle);
switch (evt.type)
{
case EventType.DragUpdated:
case EventType.DragPerform:
if (!dragAndDropRect.Contains(evt.mousePosition))
{
return;
}
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (evt.type == EventType.DragPerform)
{
DragAndDrop.AcceptDrag();
var animationClips = DragAndDrop.objectReferences.FilterByType <AnimationClip>().ToList();
foreach (var obj in DragAndDrop.objectReferences.FilterByType <GameObject>())
{
var assetPath = AssetDatabase.GetAssetPath(obj);
if (!(AssetImporter.GetAtPath(assetPath) is ModelImporter))
{
return;
}
animationClips.AddRange(AssetDatabase.LoadAllAssetsAtPath(assetPath).FilterByType <AnimationClip>().
Where(clip => (clip.hideFlags & HideFlags.HideInHierarchy) == 0));
}
if (animationClips.Count > 0)
{
EditorUtilities.RecordUndo(animationPlayer, "Added clip to Animation Player");
var layer = animationPlayer.layers[selectedLayer];
int numClipsBefore = layer.states.Count;
foreach (var clip in animationClips)
{
var newStateName = GetUniqueStateName(clip.name, layer.states);
var newState = SingleClipState.Create(newStateName, clip);
layer.states.Add(newState);
}
selectedState.SetTo(numClipsBefore);
editor.MarkDirty();
}
}
break;
}
}
private static void DeleteState(AnimationPlayer animationPlayer, AnimationLayer layer, PersistedInt selectedState)
{
EditorUtilities.RecordUndo(animationPlayer, "Deleting state " + layer.states[selectedState].Name);
layer.transitions.RemoveAll(transition => transition.FromState == layer.states[selectedState] ||
transition.ToState == layer.states[selectedState]);
layer.states.RemoveAt(selectedState);
if (selectedState == layer.states.Count) //was last state
{
selectedState.SetTo(selectedState - 1);
}
}
private void DrawLayerSelection()
{
var numLayers = animationPlayer.layers.Length;
selectedLayer.SetTo(Mathf.Clamp(selectedLayer, 0, numLayers));
var twoLines = Screen.width < 420f;
EditorGUILayout.BeginHorizontal();
{
GUILayout.FlexibleSpace();
selectedLayer.SetTo(EditorUtilities.DrawLeftButton(selectedLayer));
EditorGUILayout.LabelField("Selected layer: " + selectedLayer, GUILayout.Width(selectedLayerWidth));
selectedLayer.SetTo(EditorUtilities.DrawRightButton(selectedLayer, numLayers));
if (twoLines)
{
GUILayout.FlexibleSpace();
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
}
else
{
GUILayout.Space(10f);
}
if (GUILayout.Button("Add layer", GUILayout.Width(100f)))
{
EditorUtilities.RecordUndo(animationPlayer, "Add layer to animation player");
EditorUtilities.ExpandArrayByOne(ref animationPlayer.layers, AnimationLayer.CreateLayer);
selectedLayer.SetTo(animationPlayer.layers.Length - 1);
MarkDirty();
}
EditorGUI.BeginDisabledGroup(numLayers < 2);
{
if (EditorUtilities.AreYouSureButton("Delete layer", "Are you sure?", "DeleteLayer" + selectedLayer, 1f, GUILayout.Width(100f)))
{
EditorUtilities.RecordUndo(animationPlayer, "Delete layer from animation player");
EditorUtilities.DeleteIndexFromArray(ref animationPlayer.layers, selectedLayer);
selectedLayer.SetTo(Mathf.Max(0, selectedLayer - 1));
MarkDirty();
}
}
EditorGUI.EndDisabledGroup();
GUILayout.FlexibleSpace();
}
EditorGUILayout.EndHorizontal();
}
public override void OnInspectorGUI()
{
HandleInitialization(true);
if (animationPlayer.layers == null || animationPlayer.layers.Length == 0)
{
return;
}
EditorUtilities.Splitter();
DrawLayerSelection();
if (animationPlayer.layers.Length == 0)
{
return; //Deleted last layer in DrawLayerSelection
}
if (selectedState == -1 && animationPlayer.layers[selectedLayer].states.Count > 0)
{
selectedState.SetTo(0); //Handle adding a state for the first time.
}
GUILayout.Space(10f);
DrawSelectedLayer();
GUILayout.Space(10f);
EditorUtilities.Splitter();
var numStatesBefore = animationPlayer.layers[selectedLayer].states.Count;
StateSelectionAndAdditionDrawer.Draw(animationPlayer, selectedLayer, selectedState, selectedEditMode, this);
if (numStatesBefore != animationPlayer.layers[selectedLayer].states.Count)
{
Repaint();
return;
}
DrawSelectedState();
EditorUtilities.Splitter();
EditorGUILayout.LabelField("Default transition");
EditorUtilities.RecordUndo(animationPlayer, "Change default transition", () =>
{
animationPlayer.defaultTransition = AnimationTransitionDrawer.DrawTransitionData(animationPlayer.defaultTransition);
});
EditorUtilities.Splitter();
DrawRuntimeDebugData();
}
private void DrawEvents()
{
if (animationPlayer.layers[selectedLayer].states.Count == 0)
{
EditorGUILayout.LabelField("No states on layer, can't make events");
return;
}
var state = animationPlayer.GetState(selectedState, selectedLayer);
int indexToDelete = -1;
EditorGUILayout.LabelField($"Animation events for {state.Name}");
EditorUtilities.Splitter();
EditorUtilities.DrawIndented(() =>
{
for (var i = 0; i < state.animationEvents.Count; i++)
{
if (DrawEvent(state.animationEvents[i], state))
{
indexToDelete = i;
}
if (i != state.animationEvents.Count - 1)
{
GUILayout.Space(5);
}
}
});
if (indexToDelete != -1)
{
state.animationEvents.RemoveAt(indexToDelete);
}
EditorUtilities.Splitter();
EditorUtilities.DrawHorizontal(() =>
{
GUILayout.FlexibleSpace();
if (GUILayout.Button("Create new event"))
{
EditorUtilities.RecordUndo(animationPlayer, $"Added animation event to {state.Name}");
state.animationEvents.Add(new AnimationEvent {
name = "New Event"
});
MarkDirty();
}
});
}
private static void AddClipsAsSeperateStates(AnimationPlayer animationPlayer, PersistedInt selectedLayer, PersistedInt selectedState,
AnimationPlayerEditor editor, List <AnimationClip> animationClips)
{
EditorUtilities.RecordUndo(animationPlayer, "Added clip to Animation Player");
var layer = animationPlayer.layers[selectedLayer];
int numClipsBefore = layer.states.Count;
foreach (var clip in animationClips)
{
var newStateName = GetUniqueStateName(clip.name, layer.states);
var newState = SingleClip.Create(newStateName, clip);
layer.states.Add(newState);
}
selectedState.SetTo(numClipsBefore);
editor.MarkDirty();
}
public static void DrawTransitions(AnimationPlayer animationPlayer, PersistedInt selectedLayer, PersistedInt selectedStateIdx,
PersistedInt selectedToStateIdx, string[] stateNamesInLayer)
{
var layer = animationPlayer.layers[selectedLayer];
if (layer.states.Count == 0)
{
EditorGUILayout.LabelField("No states, can't define transitions");
return;
}
var selectedState = layer.states[selectedStateIdx];
var selectedToState = layer.states[selectedToStateIdx];
var selectedTransition = layer.transitions.Find(t => t.FromState == selectedState && t.ToState == selectedToState);
var fromStateName = selectedState.Name;
var toStateName = selectedToState.Name;
if (selectedTransition != null)
{
EditorGUILayout.LabelField($"Selected transition: From \"{fromStateName}\" to \"{toStateName}\"");
EditorUtilities.RecordUndo(animationPlayer, $"Edit of transition from {fromStateName} to {toStateName}");
EditorUtilities.DrawIndented(() =>
{
selectedTransition.transitionData = DrawTransitionData(selectedTransition.transitionData);
GUILayout.Space(20f);
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
if (EditorUtilities.AreYouSureButton("Clear transition", "Are you sure?",
"Clear_Transition_" + fromStateName + "_" + toStateName,
1f, GUILayout.Width(150f)))
{
EditorUtilities.RecordUndo(animationPlayer, $"Clear transition from {fromStateName} to {toStateName}");
layer.transitions.Remove(selectedTransition);
}
EditorGUILayout.EndHorizontal();
});
}
EditorUtilities.Splitter();
var transitionsFromState = layer.transitions.Where(t => t.FromState == selectedState).ToList();
if (transitionsFromState.Count == 0)
{
EditorGUILayout.LabelField($"No defined transitions from {fromStateName}");
}
else
{
EditorGUILayout.LabelField($"Transitions from {fromStateName}:");
EditorGUILayout.Space();
EditorUtilities.DrawHorizontal(() =>
{
GUILayout.FlexibleSpace();
EditorUtilities.DrawVertical(() =>
{
EditorUtilities.DrawIndented(() =>
{
foreach (var transition in transitionsFromState)
{
EditorGUI.BeginDisabledGroup(transition == selectedTransition);
if (GUILayout.Button(transition.ToState.Name, GUILayout.MinWidth(100f)))
{
selectedToStateIdx.SetTo(layer.states.IndexOf(transition.ToState));
}
EditorGUI.EndDisabledGroup();
}
});
});
});
}
EditorGUILayout.Space();
EditorUtilities.DrawHorizontal(() =>
{
GUILayout.FlexibleSpace();
if (GUILayout.Button("Create new transition"))
{
GenericMenu menu = new GenericMenu();
foreach (var state in stateNamesInLayer)
{
menu.AddItem(new GUIContent($"Transition from {fromStateName} to {state}"), false, () =>
{
EditorUtilities.RecordUndo(animationPlayer, $"Adding transition from {fromStateName} to {toStateName}");
var newState = new StateTransition
{
FromState = selectedState,
ToState = layer.states.Find(s => s.Name == state),
transitionData = TransitionData.Linear(.2f)
};
layer.transitions.Add(newState);
selectedToStateIdx.SetTo(layer.states.FindIndex(s => s.Name == state));
});
}
menu.ShowAsContext();
}
});
}