// Initialize state machine of one layer.
private static bool InitLayerNodes(MyAnimationStateMachine layer, string stateMachineName, MyAnimationControllerDefinition animControllerDefinition,
MyAnimationController animationController, string currentNodeNamePrefix, MyAnimationVirtualNodes virtualNodes, bool forceReloadMwm)
{
var objBuilderStateMachine = animControllerDefinition.StateMachines.FirstOrDefault(x => x.Name == stateMachineName);
if (objBuilderStateMachine == null)
{
Debug.Fail("Animation state machine " + stateMachineName + " was not found.");
return(false);
}
bool result = true;
// 1st step: generate nodes
if (objBuilderStateMachine.Nodes != null)
{
foreach (var objBuilderNode in objBuilderStateMachine.Nodes)
{
string absoluteNodeName = currentNodeNamePrefix + objBuilderNode.Name;
if (objBuilderNode.StateMachineName != null)
{
// embedded state machine, copy its nodes
if (!InitLayerNodes(layer, objBuilderNode.StateMachineName, animControllerDefinition, animationController, absoluteNodeName + "/", virtualNodes, forceReloadMwm))
{
result = false;
}
}
else
{
var smNode = new VRageRender.Animations.MyAnimationStateMachineNode(absoluteNodeName);
if (objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.PassThrough ||
objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.Any ||
objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.AnyExceptTarget)
{
smNode.PassThrough = true;
}
else
{
smNode.PassThrough = false;
}
if (objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.Any ||
objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.AnyExceptTarget)
{
virtualNodes.NodesAny.Add(absoluteNodeName, new MyAnimationVirtualNodeData()
{
AnyNodePrefix = currentNodeNamePrefix,
ExceptTarget = (objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.AnyExceptTarget)
});
}
layer.AddNode(smNode);
if (objBuilderNode.AnimationTree != null)
{
var smNodeAnimTree = InitNodeAnimationTree(objBuilderNode.AnimationTree.Child, forceReloadMwm);
smNode.RootAnimationNode = smNodeAnimTree;
}
else
{
smNode.RootAnimationNode = new MyAnimationTreeNodeDummy();
}
}
}
}
// 2nd step: generate transitions
if (objBuilderStateMachine.Transitions != null)
{
foreach (var objBuilderTransition in objBuilderStateMachine.Transitions)
{
string absoluteNameNodeFrom = currentNodeNamePrefix + objBuilderTransition.From;
string absoluteNameNodeTo = currentNodeNamePrefix + objBuilderTransition.To;
MyAnimationVirtualNodeData virtualNodeData;
if (virtualNodes.NodesAny.TryGetValue(absoluteNameNodeFrom, out virtualNodeData))
{
// nodes of type "any":
// "any" node is source: we create transitions directly from all nodes
// "any" node is target: we will use "any" node as pass through
foreach (var nodeFromCandidate in layer.AllNodes)
{
if (nodeFromCandidate.Key.StartsWith(virtualNodeData.AnyNodePrefix) && // select nodes in the same SM
nodeFromCandidate.Key != absoluteNameNodeFrom) // disallow from "any" to the same "any"
{
// create transition if target is different from source or when we don't care about it
if (!virtualNodeData.ExceptTarget || absoluteNameNodeTo != nodeFromCandidate.Key)
{
CreateTransition(layer, animationController, nodeFromCandidate.Key, absoluteNameNodeTo, objBuilderTransition);
}
}
}
}
CreateTransition(layer, animationController, absoluteNameNodeFrom, absoluteNameNodeTo, objBuilderTransition);
}
}
return(result);
}
// Initialize state machine of one layer.
private static bool InitLayerNodes(MyAnimationStateMachine layer, string stateMachineName, MyAnimationControllerDefinition animControllerDefinition,
MyAnimationController animationController, string currentNodeNamePrefix, MyAnimationVirtualNodes virtualNodes, bool forceReloadMwm)
{
var objBuilderStateMachine = animControllerDefinition.StateMachines.FirstOrDefault(x => x.Name == stateMachineName);
if (objBuilderStateMachine == null)
{
Debug.Fail("Animation state machine " + stateMachineName + " was not found.");
return false;
}
bool result = true;
// 1st step: generate nodes
if (objBuilderStateMachine.Nodes != null)
foreach (var objBuilderNode in objBuilderStateMachine.Nodes)
{
string absoluteNodeName = currentNodeNamePrefix + objBuilderNode.Name;
if (objBuilderNode.StateMachineName != null)
{
// embedded state machine, copy its nodes
if (!InitLayerNodes(layer, objBuilderNode.StateMachineName, animControllerDefinition, animationController, absoluteNodeName + "/", virtualNodes, forceReloadMwm))
result = false;
}
else
{
var smNode = new VRageRender.Animations.MyAnimationStateMachineNode(absoluteNodeName);
if (objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.PassThrough
|| objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.Any
|| objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.AnyExceptTarget)
{
smNode.PassThrough = true;
}
else
{
smNode.PassThrough = false;
}
if (objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.Any
|| objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.AnyExceptTarget)
{
virtualNodes.NodesAny.Add(absoluteNodeName, new MyAnimationVirtualNodeData()
{
AnyNodePrefix = currentNodeNamePrefix,
ExceptTarget = (objBuilderNode.Type == MyObjectBuilder_AnimationSMNode.MySMNodeType.AnyExceptTarget)
});
}
layer.AddNode(smNode);
if (objBuilderNode.AnimationTree != null)
{
var smNodeAnimTree = InitNodeAnimationTree(objBuilderNode.AnimationTree.Child, forceReloadMwm);
smNode.RootAnimationNode = smNodeAnimTree;
}
else
{
smNode.RootAnimationNode = new MyAnimationTreeNodeDummy();
}
}
}
// 2nd step: generate transitions
if (objBuilderStateMachine.Transitions != null)
foreach (var objBuilderTransition in objBuilderStateMachine.Transitions)
{
string absoluteNameNodeFrom = currentNodeNamePrefix + objBuilderTransition.From;
string absoluteNameNodeTo = currentNodeNamePrefix + objBuilderTransition.To;
MyAnimationVirtualNodeData virtualNodeData;
if (virtualNodes.NodesAny.TryGetValue(absoluteNameNodeFrom, out virtualNodeData))
{
// nodes of type "any":
// "any" node is source: we create transitions directly from all nodes
// "any" node is target: we will use "any" node as pass through
foreach (var nodeFromCandidate in layer.AllNodes)
{
if (nodeFromCandidate.Key.StartsWith(virtualNodeData.AnyNodePrefix) // select nodes in the same SM
&& nodeFromCandidate.Key != absoluteNameNodeFrom) // disallow from "any" to the same "any"
{
// create transition if target is different from source or when we don't care about it
if (!virtualNodeData.ExceptTarget || absoluteNameNodeTo != nodeFromCandidate.Key)
CreateTransition(layer, animationController, nodeFromCandidate.Key, absoluteNameNodeTo, objBuilderTransition);
}
}
}
CreateTransition(layer, animationController, absoluteNameNodeFrom, absoluteNameNodeTo, objBuilderTransition);
}
return result;
}
// Update state machine. That means:
// Change state if transition conditions are fulfilled.
// Update skeleton.
public void Update(ref MyAnimationUpdateData data)
{
if (data.CharacterBones == null)
{
return; // safety
}
CurrentUpdateData = data; // local copy
CurrentUpdateData.VisitedTreeNodesCounter = 0;
CurrentUpdateData.VisitedTreeNodesPath = m_lastVisitedTreeNodesPath;
CurrentUpdateData.VisitedTreeNodesPath[0] = 0;
if (BoneMask == null) // rebuild bone mask array if not done yet
{
RebuildBoneMask();
}
data.LayerBoneMask = CurrentUpdateData.LayerBoneMask = BoneMask; // pass bone mask array to all subnodes and result
Debug.Assert(data.LayerBoneMask != null);
// setting animation finished flag
MyAnimationStateMachineNode currentAnimationNode = CurrentNode as MyAnimationStateMachineNode;
if (currentAnimationNode != null && currentAnimationNode.RootAnimationNode != null)
{
float finishedPercent = currentAnimationNode.RootAnimationNode.GetLocalTimeNormalized();
data.Controller.Variables.SetValue(MyAnimationVariableStorageHints.StrIdAnimationFinished, finishedPercent);
}
else
{
data.Controller.Variables.SetValue(MyAnimationVariableStorageHints.StrIdAnimationFinished, 0);
}
base.Update();
int[] swapVisitedTreeNodesPath = VisitedTreeNodesPath;
VisitedTreeNodesPath = m_lastVisitedTreeNodesPath;
m_lastVisitedTreeNodesPath = swapVisitedTreeNodesPath;
CurrentUpdateData.VisitedTreeNodesPath = null; // disconnect our array
// blended transitions
// - from most recent to oldest
// - please preserve order of blending for three or more states
// when CurrentState changes
float weightMultiplier = 1.0f;
for (int i = 0; i < m_stateTransitionBlending.Count; i++)
{
MyStateTransitionBlending stateTransitionBlending = m_stateTransitionBlending[i];
float localWeight = (float)(stateTransitionBlending.TimeLeftInSeconds * stateTransitionBlending.InvTotalTime); // 1 to 0 over time
weightMultiplier *= localWeight;
// update nodes that we are just leaving
if (weightMultiplier > 0)
{
var lastResult = CurrentUpdateData.BonesResult;
CurrentUpdateData.BonesResult = null;
stateTransitionBlending.SourceState.OnUpdate(this);
if (lastResult != null && CurrentUpdateData.BonesResult != null)
{
for (int j = 0; j < lastResult.Count; j++)
{
if (data.LayerBoneMask[j])
{
// these nodes lose their weight, it goes from 1 to 0
// we need to blend them to last result (current node or another node that we are leaving)
float w = ComputeEaseInEaseOut(MathHelper.Clamp(weightMultiplier, 0, 1));
CurrentUpdateData.BonesResult[j].Rotation = Quaternion.Slerp(lastResult[j].Rotation,
CurrentUpdateData.BonesResult[j].Rotation, w);
CurrentUpdateData.BonesResult[j].Translation = Vector3.Lerp(lastResult[j].Translation,
CurrentUpdateData.BonesResult[j].Translation, w);
}
}
// give back last result (free list of bones), we dont need it anymore
data.Controller.ResultBonesPool.Free(lastResult);
}
}
// update, decrease remaining time
stateTransitionBlending.TimeLeftInSeconds -= data.DeltaTimeInSeconds;
m_stateTransitionBlending[i] = stateTransitionBlending;
if (stateTransitionBlending.TimeLeftInSeconds <= 0 || weightMultiplier <= 0)
{
// skip older blended states and mark them for deletion, because their (global) weight is now zero
for (int j = i + 1; j < m_stateTransitionBlending.Count; j++)
{
var temp = m_stateTransitionBlending[j];
temp.TimeLeftInSeconds = 0; //
m_stateTransitionBlending[j] = temp;
}
break;
}
}
m_stateTransitionBlending.RemoveAll(s => s.TimeLeftInSeconds <= 0.0);
data.BonesResult = CurrentUpdateData.BonesResult; // local copy contains resulting list of bones
}