public static void MergeControllers(this AnimatorController source, params AnimatorController[] controllers)
{
if (string.IsNullOrWhiteSpace(AssetDatabase.GetAssetPath(source)))
{
throw new InvalidOperationException($"{source} must be persistent at the filesystem");
}
var destLayers = new List <AnimatorControllerLayer>();
foreach (var controller in controllers)
{
foreach (var parameter in controller.parameters)
{
if (source.HasParameter(parameter.name))
{
continue;
}
source.AddParameter(parameter.name, parameter.type);
}
if (controller.layers.Length == 0)
{
continue;
}
var layers = controller.layers;
layers.First().defaultWeight = 1.0f;
destLayers.AddRange(layers.Select(layer => layer.CloneDeep()));
}
if (destLayers.Select(w => w.name).Distinct().Count() != destLayers.Count)
{
foreach (var duplicate in destLayers.Duplicate(w => w.name))
{
var count = 1;
var index = destLayers.Select((w, i) => (Value: w, Index: w)).Where(w => w.Value.name == duplicate).ToList();
foreach (var(layer, i) in index)
{
layer.name = $"{layer.name} - {count++}";
}
}
}
source.layers = destLayers.ToArray();
// add instances to controller
foreach (var stateMachine in destLayers.Select(w => w.stateMachine).Where(w => w != null))
{
AssetDatabase.AddObjectToAsset(stateMachine, source);
}
foreach (var state in InstanceCache <AnimatorState> .Caches)
{
AssetDatabase.AddObjectToAsset(state, source);
}
foreach (var stateMachine in InstanceCache <AnimatorStateMachine> .Caches)
{
AssetDatabase.AddObjectToAsset(stateMachine, source);
}
foreach (var transition in InstanceCache <AnimatorStateTransition> .Caches)
{
AssetDatabase.AddObjectToAsset(transition, source);
}
foreach (var behaviour in InstanceCache <StateMachineBehaviour> .Caches)
{
AssetDatabase.AddObjectToAsset(behaviour, source);
}
// Cleanup All Caches
InstanceCache <AnimatorState> .Clear();
InstanceCache <AnimatorStateMachine> .Clear();
InstanceCache <AnimatorStateTransition> .Clear();
InstanceCache <StateMachineBehaviour> .Clear();
}
public static AnimatorState CloneDeep(this AnimatorState source)
{
var dest = new AnimatorState
{
cycleOffset = source.cycleOffset,
cycleOffsetParameter = source.cycleOffsetParameter,
cycleOffsetParameterActive = source.cycleOffsetParameterActive,
iKOnFeet = source.iKOnFeet,
mirror = source.mirror,
mirrorParameter = source.mirrorParameter,
mirrorParameterActive = source.mirrorParameterActive,
motion = source.motion,
speed = source.speed,
speedParameter = source.speedParameter,
speedParameterActive = source.speedParameterActive,
tag = source.tag,
timeParameter = source.timeParameter,
timeParameterActive = source.timeParameterActive,
writeDefaultValues = source.writeDefaultValues,
name = source.name,
hideFlags = source.hideFlags
};
foreach (var sourceTransition in source.transitions.Where(w => w.isExit))
{
var transition = dest.AddExitTransition(false);
sourceTransition.ApplyTo(transition);
InstanceCache <AnimatorStateTransition> .SafeRegister(sourceTransition.GetInstanceID(), transition);
}
foreach (var sourceTransition in source.transitions.Where(w => !w.isExit))
{
AnimatorStateTransition transition = null;
if (sourceTransition.destinationStateMachine != null)
{
transition = dest.AddTransition(InstanceCache <AnimatorStateMachine> .FindOrCreate(sourceTransition.destinationStateMachine, w => w.CloneDeep()));
}
if (sourceTransition.destinationState != null)
{
transition = dest.AddTransition(InstanceCache <AnimatorState> .FindOrCreate(sourceTransition.destinationState, w => w.CloneDeep()));
}
if (transition == null)
{
throw new ArgumentNullException(nameof(transition));
}
sourceTransition.ApplyTo(transition);
InstanceCache <AnimatorStateTransition> .SafeRegister(sourceTransition.GetInstanceID(), transition);
}
foreach (var sourceBehaviour in source.behaviours)
{
var behaviour = dest.AddStateMachineBehaviour(sourceBehaviour.GetType());
sourceBehaviour.ApplyTo(behaviour);
InstanceCache <StateMachineBehaviour> .SafeRegister(behaviour.GetInstanceID(), behaviour);
}
return(dest);
}
public static AnimatorStateMachine CloneDeep(this AnimatorStateMachine source)
{
var dest = new AnimatorStateMachine
{
defaultState = InstanceCache <AnimatorState> .FindOrCreate(source.defaultState, w => w.CloneDeep()),
anyStatePosition = source.anyStatePosition,
entryPosition = source.entryPosition,
exitPosition = source.exitPosition,
parentStateMachinePosition = source.parentStateMachinePosition,
hideFlags = source.hideFlags,
name = source.name
};
foreach (var sourceState in source.states)
{
dest.AddState(InstanceCache <AnimatorState> .FindOrCreate(sourceState.state, w => w.CloneDeep()), sourceState.position);
}
foreach (var sourceTransition in source.anyStateTransitions)
{
AnimatorStateTransition transition = null;
if (sourceTransition.destinationStateMachine != null)
{
transition = dest.AddAnyStateTransition(InstanceCache <AnimatorStateMachine> .FindOrCreate(sourceTransition.destinationStateMachine, w => w.CloneDeep()));
}
if (sourceTransition.destinationState != null)
{
transition = dest.AddAnyStateTransition(InstanceCache <AnimatorState> .FindOrCreate(sourceTransition.destinationState, w => w.CloneDeep()));
}
if (transition == null)
{
throw new ArgumentNullException(nameof(transition));
}
sourceTransition.ApplyTo(transition);
InstanceCache <AnimatorStateTransition> .SafeRegister(sourceTransition.GetInstanceID(), transition);
}
foreach (var sourceTransition in source.entryTransitions)
{
AnimatorTransition transition = null;
if (sourceTransition.destinationStateMachine != null)
{
transition = dest.AddEntryTransition(InstanceCache <AnimatorStateMachine> .FindOrCreate(sourceTransition.destinationStateMachine, w => w.CloneDeep()));
}
if (sourceTransition.destinationState != null)
{
transition = dest.AddEntryTransition(InstanceCache <AnimatorState> .FindOrCreate(sourceTransition.destinationState, w => w.CloneDeep()));
}
if (transition == null)
{
throw new ArgumentNullException(nameof(transition));
}
sourceTransition.ApplyTo(transition);
InstanceCache <AnimatorTransition> .SafeRegister(sourceTransition.GetInstanceID(), transition);
}
foreach (var sourceBehaviour in source.behaviours)
{
var behaviour = dest.AddStateMachineBehaviour(sourceBehaviour.GetType());
sourceBehaviour.ApplyTo(behaviour);
InstanceCache <StateMachineBehaviour> .SafeRegister(behaviour.GetInstanceID(), behaviour);
}
foreach (var sourceStateMachine in source.stateMachines)
{
dest.AddStateMachine(InstanceCache <AnimatorStateMachine> .FindOrCreate(sourceStateMachine.stateMachine, w => w.CloneDeep()), sourceStateMachine.position);
}
return(dest);
}