protected virtual SpriterVarValue GetVariableValue(SpriterAnimation animation, SpriterVarDef varDef, SpriterVarline varline, float targetTime)
{
SpriterVarlineKey[] keys = varline.Keys;
if (keys == null)
{
return(varDef.VariableValue);
}
SpriterVarlineKey keyA = keys.GetLastKey(targetTime) ?? keys[keys.Length - 1];
if (keyA == null)
{
return(varDef.VariableValue);
}
SpriterVarlineKey keyB = varline.Keys.GetNextKey(keyA, animation.Looping);
if (keyB == null)
{
return(keyA.VariableValue);
}
float adjustedTime = keyA.Time == keyB.Time ? targetTime : SpriterHelper.AdjustTime(targetTime, keyA, keyB, animation.Length);
float factor = SpriterHelper.GetFactor(keyA, keyB, animation.Length, adjustedTime);
SpriterVarValue varVal = Pool.GetObject <SpriterVarValue>();
varVal.Interpolate(keyA.VariableValue, keyB.VariableValue, factor);
return(varVal);
}
private static void InitVarDefs(SpriterAnimation animation)
{
if (animation.Meta == null || animation.Meta.Varlines == null || animation.Meta.Varlines.Length == 0)
{
return;
}
foreach (SpriterVarline varline in animation.Meta.Varlines)
{
SpriterVarDef varDefs = animation.Entity.Variables[varline.Def];
Init(varDefs, varline);
}
foreach (SpriterTimeline timeline in animation.Timelines)
{
if (timeline.Meta == null || timeline.Meta.Varlines == null || timeline.Meta.Varlines.Length == 0)
{
continue;
}
SpriterObjectInfo objInfo = animation.Entity.ObjectInfos.First(o => o.Name == timeline.Name);
foreach (SpriterVarline varline in timeline.Meta.Varlines)
{
SpriterVarDef varDef = objInfo.Variables[varline.Def];
Init(varDef, varline);
}
}
}
private static SpriterVarValue GetVariableValue(SpriterAnimation animation, SpriterVarDef varDef, SpriterVarline varline, float targetTime)
{
SpriterVarlineKey[] keys = varline.Keys;
if (keys == null)
{
return(varDef.VariableValue);
}
SpriterVarlineKey keyA = LastKeyForTime(keys, targetTime) ?? keys[keys.Length - 1];
if (keyA == null)
{
return(varDef.VariableValue);
}
SpriterVarlineKey keyB = GetNextXLineKey(varline.Keys, keyA, animation.Looping);
if (keyB == null)
{
return(keyA.VariableValue);
}
float adjustedTime = keyA.Time == keyB.Time ? targetTime : AdjustTime(keyA, keyB, animation.Length, targetTime);
float factor = GetFactor(keyA, keyB, animation.Length, targetTime);
return(Interpolate(keyA.VariableValue, keyB.VariableValue, factor));
}
public static void UpdateFrameData(FrameData frameData, SpriterAnimation animation, float targetTime, SpriterSpatial parentInfo = null)
{
SpriterMainlineKey keyA;
SpriterMainlineKey keyB;
GetMainlineKeys(animation.MainlineKeys, targetTime, out keyA, out keyB);
float adjustedTime = AdjustTime(keyA, keyB, animation.Length, targetTime);
SpriterSpatial[] boneInfos = GetBoneInfos(keyA, animation, targetTime, parentInfo);
if (keyA.ObjectRefs == null)
{
SpriterObjectPool.ReturnObject(boneInfos);
return;
}
for (int i = 0; i < keyA.ObjectRefs.Length; ++i)
{
SpriterObjectRef objectRef = keyA.ObjectRefs[i];
SpriterObject interpolated = GetObjectInfo(objectRef, animation, adjustedTime);
if (boneInfos != null && objectRef.ParentId >= 0)
{
ApplyParentTransform(interpolated, boneInfos[objectRef.ParentId]);
}
else if (parentInfo != null)
{
ApplyParentTransform(interpolated, parentInfo);
}
AddSpatialData(interpolated, animation.Timelines[objectRef.TimelineId], animation.Entity.Spriter, targetTime, frameData);
}
SpriterObjectPool.ReturnObject(boneInfos);
}
protected virtual void AddSpatialData(SpriterObject info, SpriterTimeline timeline, Spriter spriter, float deltaTime)
{
switch (timeline.ObjectType)
{
case SpriterObjectType.Sprite:
FrameData.SpriteData.Add(info);
break;
case SpriterObjectType.Entity:
SpriterAnimation newAnim = spriter.Entities[info.EntityId].Animations[info.AnimationId];
float newTargetTime = info.T * newAnim.Length;
GetFrameData(newAnim, newTargetTime, deltaTime, info);
break;
case SpriterObjectType.Point:
info.PivotX = 0.0f;
info.PivotY = 1.0f;
FrameData.PointData[timeline.Name] = info;
break;
case SpriterObjectType.Box:
FrameData.BoxData[timeline.ObjectId] = info;
break;
}
}
private static SpriterSpatial[] GetBoneInfos(SpriterMainlineKey key, SpriterAnimation animation, float targetTime, SpriterSpatial parentInfo = null)
{
if (key.BoneRefs == null)
{
return(null);
}
SpriterSpatial[] ret = new SpriterSpatial[key.BoneRefs.Length];
for (int i = 0; i < key.BoneRefs.Length; ++i)
{
SpriterRef boneRef = key.BoneRefs[i];
SpriterSpatial interpolated = GetBoneInfo(boneRef, animation, targetTime);
if (boneRef.ParentId >= 0)
{
ApplyParentTransform(interpolated, ret[boneRef.ParentId]);
}
else if (parentInfo != null)
{
ApplyParentTransform(interpolated, parentInfo);
}
ret[i] = interpolated;
}
return(ret);
}
public static FrameData GetFrameData(SpriterAnimation animation, float targetTime, SpriterSpatial parentInfo = null)
{
SpriterMainlineKey keyA;
SpriterMainlineKey keyB;
GetMainlineKeys(animation.MainlineKeys, targetTime, out keyA, out keyB);
float adjustedTime = AdjustTime(keyA, keyB, animation.Length, targetTime);
SpriterSpatial[] boneInfos = GetBoneInfos(keyA, animation, targetTime, parentInfo);
FrameData frameData = new FrameData();
foreach (SpriterObjectRef objectRef in keyA.ObjectRefs)
{
SpriterObject interpolated = GetObjectInfo(objectRef, animation, adjustedTime);
if (boneInfos != null && objectRef.ParentId >= 0)
{
ApplyParentTransform(interpolated, boneInfos[objectRef.ParentId]);
}
AddSpatialData(interpolated, animation.Timelines[objectRef.TimelineId], animation.Entity.Spriter, targetTime, frameData);
}
return(frameData);
}
protected virtual SpriterSpatial[] GetBoneInfos(SpriterMainlineKey key, SpriterAnimation animation, float targetTime, SpriterSpatial parentInfo = null)
{
if (key.BoneRefs == null)
{
return(null);
}
SpriterSpatial[] ret = Pool.GetArray <SpriterSpatial>(key.BoneRefs.Length);
for (int i = 0; i < key.BoneRefs.Length; ++i)
{
SpriterRef boneRef = key.BoneRefs[i];
SpriterSpatial interpolated = GetBoneInfo(boneRef, animation, targetTime);
if (boneRef.ParentId >= 0)
{
interpolated.ApplyParentTransform(ret[boneRef.ParentId]);
}
else if (parentInfo != null)
{
interpolated.ApplyParentTransform(parentInfo);
}
ret[i] = interpolated;
}
return(ret);
}
public static FrameMetadata GetFrameMetadata(SpriterAnimation animation, float targetTime, float deltaTime, SpriterSpatial parentInfo = null)
{
FrameMetadata metadata = new FrameMetadata();
AddVariableAndTagData(animation, targetTime, metadata);
AddEventData(animation, targetTime, deltaTime, metadata);
AddSoundData(animation, targetTime, deltaTime, metadata);
return(metadata);
}
/// <summary>
/// Plays the given animation. Playback starts from the beginning.
/// </summary>
public virtual void Play(SpriterAnimation animation)
{
Progress = 0;
CurrentAnimation = animation;
Name = animation.Name;
NextAnimation = null;
Length = CurrentAnimation.Length;
}
public virtual FrameData GetFrameData(SpriterAnimation animation, float targetTime, float deltaTime, SpriterSpatial parentInfo = null)
{
if (parentInfo == null)
{
FrameData.Clear();
}
SpriterMainlineKey keyA;
SpriterMainlineKey keyB;
GetMainlineKeys(animation.MainlineKeys, targetTime, out keyA, out keyB);
float adjustedTime = SpriterHelper.AdjustTime(targetTime, keyA, keyB, animation.Length);
SpriterSpatial[] boneInfos = GetBoneInfos(keyA, animation, adjustedTime, parentInfo);
if (keyA.ObjectRefs == null)
{
Pool.ReturnObject(boneInfos);
return(FrameData);
}
for (int i = 0; i < keyA.ObjectRefs.Length; ++i)
{
SpriterObjectRef objectRef = keyA.ObjectRefs[i];
var timeline = animation.Timelines[objectRef.TimelineId];
SpriterObject interpolated = GetObjectInfo(objectRef, animation, adjustedTime);
interpolated.Name = timeline.Name;
if (boneInfos != null && objectRef.ParentId >= 0)
{
interpolated.ApplyParentTransform(boneInfos[objectRef.ParentId]);
}
else if (parentInfo != null)
{
interpolated.ApplyParentTransform(parentInfo);
}
AddSpatialData(interpolated, timeline, animation.Entity.Spriter, deltaTime);
}
Pool.ReturnObject(boneInfos);
if (Config.MetadataEnabled)
{
UpdateMetadata(animation, targetTime, deltaTime);
}
return(FrameData);
}
private static SpriterObjectInfo GetObjectInfo(SpriterAnimation animation, string name)
{
SpriterObjectInfo objInfo = null;
foreach (SpriterObjectInfo info in animation.Entity.ObjectInfos)
{
if (info.Name == name)
{
objInfo = info;
break;
}
}
return(objInfo);
}
private static SpriterSpatial GetBoneInfo(SpriterRef spriterRef, SpriterAnimation animation, float targetTime)
{
SpriterTimelineKey[] keys = animation.Timelines[spriterRef.TimelineId].Keys;
SpriterTimelineKey keyA = keys[spriterRef.KeyId];
SpriterTimelineKey keyB = GetNextXLineKey(keys, keyA, animation.Looping);
if (keyB == null)
{
return(Copy(keyA.BoneInfo));
}
float factor = GetFactor(keyA, keyB, animation.Length, targetTime);
return(Interpolate(keyA.BoneInfo, keyB.BoneInfo, factor, keyA.Spin));
}
public static void UpdateFrameMetadata(FrameMetadata metadata, SpriterAnimation animation, float targetTime, float deltaTime, SpriterSpatial parentInfo = null)
{
if (SpriterConfig.VarsEnabled || SpriterConfig.TagsEnabled)
{
AddVariableAndTagData(animation, targetTime, metadata);
}
if (SpriterConfig.EventsEnabled)
{
AddEventData(animation, targetTime, deltaTime, metadata);
}
if (SpriterConfig.SoundsEnabled)
{
AddSoundData(animation, targetTime, deltaTime, metadata);
}
}
private static void InitInfos(SpriterAnimation animation)
{
var infos = from t in animation.Timelines
from k in t.Keys
let o = k.ObjectInfo
where o != null && (float.IsNaN(o.PivotX) || float.IsNaN(o.PivotY))
select o;
foreach (SpriterObject info in infos)
{
SpriterFile file = animation.Entity.Spriter.Folders[info.FolderId].Files[info.FileId];
info.PivotX = file.PivotX;
info.PivotY = file.PivotY;
}
}
protected virtual void UpdateMetadata(SpriterAnimation animation, float targetTime, float deltaTime, SpriterSpatial parentInfo = null)
{
if (Config.VarsEnabled || Config.TagsEnabled)
{
AddVariableAndTagData(animation, targetTime);
}
if (Config.EventsEnabled)
{
AddEventData(animation, targetTime, deltaTime);
}
if (Config.SoundsEnabled)
{
AddSoundData(animation, targetTime, deltaTime);
}
}
protected virtual SpriterObject GetObjectInfo(SpriterRef spriterRef, SpriterAnimation animation, float targetTime)
{
SpriterTimelineKey[] keys = animation.Timelines[spriterRef.TimelineId].Keys;
SpriterTimelineKey keyA = keys[spriterRef.KeyId];
SpriterTimelineKey keyB = keys.GetNextKey(keyA, animation.Looping);
if (keyB == null)
{
return(Copy(keyA.ObjectInfo));
}
float factor = SpriterHelper.GetFactor(keyA, keyB, animation.Length, targetTime);
return(Interpolate(keyA.ObjectInfo, keyB.ObjectInfo, factor, keyA.Spin));
}
protected virtual SpriterObjectInfo GetObjectInfo(SpriterAnimation animation, string name)
{
SpriterObjectInfo objInfo = null;
for (int i = 0; i < animation.Entity.ObjectInfos.Length; ++i)
{
SpriterObjectInfo info = animation.Entity.ObjectInfos[i];
if (info.Name == name)
{
objInfo = info;
break;
}
}
return(objInfo);
}
private static void InitInfos(SpriterAnimation animation)
{
if (animation.Timelines == null) animation.Timelines = new SpriterTimeline[0];
var infos = from t in animation.Timelines
from k in t.Keys
let o = k.ObjectInfo
where o != null && (float.IsNaN(o.PivotX) || float.IsNaN(o.PivotY))
select o;
foreach (SpriterObject info in infos)
{
SpriterFile file = animation.Entity.Spriter.Folders[info.FolderId].Files[info.FileId];
info.PivotX = file.PivotX;
info.PivotY = file.PivotY;
}
}
private static void AddEventData(SpriterAnimation animation, float targetTime, float deltaTime, FrameMetadata metadata)
{
if (animation.Eventlines == null)
{
return;
}
float previousTime = targetTime - deltaTime;
foreach (SpriterEventline eventline in animation.Eventlines)
{
foreach (SpriterKey key in eventline.Keys)
{
if (IsTriggered(key, targetTime, previousTime, animation.Length))
{
metadata.Events.Add(eventline.Name);
}
}
}
}
private static void AddSoundData(SpriterAnimation animation, float targetTime, float deltaTime, FrameMetadata metadata)
{
if (animation.Soundlines == null)
{
return;
}
float previousTime = targetTime - deltaTime;
foreach (SpriterSoundline soundline in animation.Soundlines)
{
foreach (SpriterSoundlineKey key in soundline.Keys)
{
SpriterSound sound = key.SoundObject;
if (sound.Trigger && IsTriggered(key, targetTime, previousTime, animation.Length))
{
metadata.Sounds.Add(sound);
}
}
}
}
private static void InitVarDefs(SpriterAnimation animation)
{
if (animation.Meta == null || animation.Meta.Varlines == null || animation.Meta.Varlines.Length == 0) return;
foreach (SpriterVarline varline in animation.Meta.Varlines)
{
SpriterVarDef varDefs = animation.Entity.Variables[varline.Def];
Init(varDefs, varline);
}
foreach (SpriterTimeline timeline in animation.Timelines)
{
if (timeline.Meta == null || timeline.Meta.Varlines == null || timeline.Meta.Varlines.Length == 0) continue;
SpriterObjectInfo objInfo = animation.Entity.ObjectInfos.First(o => o.Name == timeline.Name);
foreach (SpriterVarline varline in timeline.Meta.Varlines)
{
SpriterVarDef varDef = objInfo.Variables[varline.Def];
Init(varDef, varline);
}
}
}
public static SpriterObjectInfo[] GetDrawData(SpriterAnimation animation, float targetTime)
{
SpriterMainLineKey[] keys = animation.MainlineKeys;
SpriterMainLineKey keyA = keys.Last(k => k.Time <= targetTime);
int nextKey = keyA.Id + 1;
if (nextKey >= keys.Length) nextKey = 0;
SpriterMainLineKey keyB = keys[nextKey];
float nextTime = keyB.Time > keyA.Time ? keyB.Time : animation.Length;
float factor = GetFactor(keyA, keyB, animation.Length, targetTime);
float adjustedTime = Linear(keyA.Time, nextTime, factor);
var boneInfos = new Dictionary<int, SpriterSpatialInfo>();
if (keyA.BoneRefs != null)
{
for (int i = 0; i < keyA.BoneRefs.Length; ++i)
{
SpriterRef boneRef = keyA.BoneRefs[i];
SpriterSpatialInfo interpolated = GetBoneInfo(boneRef, animation, adjustedTime);
if (boneRef.ParentId >= 0) ApplyParentTransform(interpolated, boneInfos[boneRef.ParentId]);
boneInfos[i] = interpolated;
}
}
SpriterObjectInfo[] ret = new SpriterObjectInfo[keyA.ObjectRefs.Length];
for (int i = 0; i < keyA.ObjectRefs.Length; ++i)
{
SpriterObjectRef objectRef = keyA.ObjectRefs[i];
SpriterObjectInfo interpolated = GetObjectInfo(objectRef, animation, adjustedTime);
if (objectRef.ParentId >= 0) ApplyParentTransform(interpolated, boneInfos[objectRef.ParentId]);
ret[objectRef.Id] = interpolated;
}
return ret;
}
protected virtual void AddEventData(SpriterAnimation animation, float targetTime, float deltaTime)
{
if (animation.Eventlines == null)
{
return;
}
float previousTime = targetTime - deltaTime;
for (int i = 0; i < animation.Eventlines.Length; ++i)
{
SpriterEventline eventline = animation.Eventlines[i];
for (int j = 0; j < eventline.Keys.Length; ++j)
{
SpriterKey key = eventline.Keys[j];
if (IsTriggered(key, targetTime, previousTime, animation.Length))
{
FrameData.Events.Add(eventline.Name);
}
}
}
}
protected virtual void AddSoundData(SpriterAnimation animation, float targetTime, float deltaTime)
{
if (animation.Soundlines == null)
{
return;
}
float previousTime = targetTime - deltaTime;
for (int i = 0; i < animation.Soundlines.Length; ++i)
{
SpriterSoundline soundline = animation.Soundlines[i];
for (int j = 0; j < soundline.Keys.Length; ++j)
{
SpriterSoundlineKey key = soundline.Keys[j];
SpriterSound sound = key.SoundObject;
if (sound.Trigger && IsTriggered(key, targetTime, previousTime, animation.Length))
{
FrameData.Sounds.Add(sound);
}
}
}
}
private static void AddSpatialData(SpriterObject info, SpriterTimeline timeline, Spriter spriter, float targetTime, FrameData frameData)
{
switch (timeline.ObjectType)
{
case SpriterObjectType.Sprite:
frameData.SpriteData.Add(info);
break;
case SpriterObjectType.Entity:
SpriterAnimation newAnim = spriter.Entities[info.EntityId].Animations[info.AnimationId];
float newTargetTime = info.T * newAnim.Length;
UpdateFrameData(frameData, newAnim, newTargetTime, info);
break;
case SpriterObjectType.Point:
frameData.PointData[timeline.Name] = info;
break;
case SpriterObjectType.Box:
frameData.BoxData[timeline.ObjectId] = info;
break;
}
}
public static FrameData GetFrameData(SpriterAnimation first, SpriterAnimation second, float targetTime, float factor)
{
if (first == second)
{
return(GetFrameData(first, targetTime));
}
float targetTimeSecond = targetTime / first.Length * second.Length;
SpriterMainlineKey firstKeyA;
SpriterMainlineKey firstKeyB;
GetMainlineKeys(first.MainlineKeys, targetTime, out firstKeyA, out firstKeyB);
SpriterMainlineKey secondKeyA;
SpriterMainlineKey secondKeyB;
GetMainlineKeys(second.MainlineKeys, targetTimeSecond, out secondKeyA, out secondKeyB);
if (firstKeyA.BoneRefs.Length != secondKeyA.BoneRefs.Length ||
firstKeyB.BoneRefs.Length != secondKeyB.BoneRefs.Length ||
firstKeyA.ObjectRefs.Length != secondKeyA.ObjectRefs.Length ||
firstKeyB.ObjectRefs.Length != secondKeyB.ObjectRefs.Length)
{
return(GetFrameData(first, targetTime));
}
float adjustedTimeFirst = AdjustTime(firstKeyA, firstKeyB, first.Length, targetTime);
float adjustedTimeSecond = AdjustTime(secondKeyA, secondKeyB, second.Length, targetTimeSecond);
SpriterSpatial[] boneInfosA = GetBoneInfos(firstKeyA, first, adjustedTimeFirst);
SpriterSpatial[] boneInfosB = GetBoneInfos(secondKeyA, second, adjustedTimeSecond);
SpriterSpatial[] boneInfos = null;
if (boneInfosA != null && boneInfosB != null)
{
boneInfos = new SpriterSpatial[boneInfosA.Length];
for (int i = 0; i < boneInfosA.Length; ++i)
{
SpriterSpatial boneA = boneInfosA[i];
SpriterSpatial boneB = boneInfosB[i];
SpriterSpatial interpolated = Interpolate(boneA, boneB, factor, 1);
interpolated.Angle = MathHelper.CloserAngleLinear(boneA.Angle, boneB.Angle, factor);
boneInfos[i] = interpolated;
}
}
SpriterMainlineKey baseKey = factor < 0.5f ? firstKeyA : firstKeyB;
SpriterAnimation currentAnimation = factor < 0.5f ? first : second;
FrameData frameData = new FrameData();
for (int i = 0; i < baseKey.ObjectRefs.Length; ++i)
{
SpriterObjectRef objectRefFirst = baseKey.ObjectRefs[i];
SpriterObject interpolatedFirst = GetObjectInfo(objectRefFirst, first, adjustedTimeFirst);
SpriterObjectRef objectRefSecond = secondKeyA.ObjectRefs[i];
SpriterObject interpolatedSecond = GetObjectInfo(objectRefSecond, second, adjustedTimeSecond);
SpriterObject info = Interpolate(interpolatedFirst, interpolatedSecond, factor, 1);
info.Angle = MathHelper.CloserAngleLinear(interpolatedFirst.Angle, interpolatedSecond.Angle, factor);
if (boneInfos != null && objectRefFirst.ParentId >= 0)
{
ApplyParentTransform(info, boneInfos[objectRefFirst.ParentId]);
}
AddSpatialData(info, currentAnimation.Timelines[objectRefFirst.TimelineId], currentAnimation.Entity.Spriter, targetTime, frameData);
}
return(frameData);
}
private static void AddVariableAndTagData(SpriterAnimation animation, float targetTime, FrameMetadata metadata)
{
if (animation.Meta == null)
{
return;
}
if (animation.Meta.Varlines != null && animation.Meta.Varlines.Length > 0)
{
foreach (SpriterVarline varline in animation.Meta.Varlines)
{
SpriterVarDef variable = animation.Entity.Variables[varline.Def];
metadata.AnimationVars[variable.Name] = GetVariableValue(animation, variable, varline, targetTime);
}
}
SpriterElement[] tags = animation.Entity.Spriter.Tags;
SpriterTagline tagline = animation.Meta.Tagline;
if (tagline != null && tagline.Keys != null && tagline.Keys.Length > 0)
{
SpriterTaglineKey key = LastKeyForTime <SpriterTaglineKey>(tagline.Keys, targetTime);
if (key != null && key.Tags != null)
{
foreach (SpriterTag tag in key.Tags)
{
metadata.AnimationTags.Add(tags[tag.TagId].Name);
}
}
}
foreach (SpriterTimeline timeline in animation.Timelines)
{
SpriterMeta meta = timeline.Meta;
if (meta == null)
{
continue;
}
SpriterObjectInfo objInfo = GetObjectInfo(animation, timeline.Name);
if (meta.Varlines != null && meta.Varlines.Length > 0)
{
foreach (SpriterVarline varline in timeline.Meta.Varlines)
{
SpriterVarDef variable = objInfo.Variables[varline.Def];
metadata.AddObjectVar(objInfo.Name, variable.Name, GetVariableValue(animation, variable, varline, targetTime));
}
}
if (meta.Tagline != null && meta.Tagline.Keys != null && meta.Tagline.Keys.Length > 0)
{
SpriterTaglineKey key = LastKeyForTime <SpriterTaglineKey>(tagline.Keys, targetTime);
if (key != null && key.Tags != null)
{
foreach (SpriterTag tag in key.Tags)
{
metadata.AddObjectTag(objInfo.Name, tags[tag.TagId].Name);
}
}
}
}
}
public static void GetFrameMetadata(FrameMetadata metadata, SpriterAnimation first, SpriterAnimation second, float targetTime, float deltaTime, float factor)
{
SpriterAnimation currentAnimation = factor < 0.5f ? first : second;
UpdateFrameMetadata(metadata, currentAnimation, targetTime, deltaTime);
}
public virtual FrameData GetFrameData(SpriterAnimation first, SpriterAnimation second, float targetTime, float deltaTime, float factor)
{
FrameData.Clear();
if (first == second)
{
GetFrameData(first, targetTime, deltaTime);
return(FrameData);
}
float targetTimeSecond = targetTime / first.Length * second.Length;
SpriterMainlineKey firstKeyA;
SpriterMainlineKey firstKeyB;
GetMainlineKeys(first.MainlineKeys, targetTime, out firstKeyA, out firstKeyB);
SpriterMainlineKey secondKeyA;
SpriterMainlineKey secondKeyB;
GetMainlineKeys(second.MainlineKeys, targetTimeSecond, out secondKeyA, out secondKeyB);
if (!SpriterHelper.WillItBlend(firstKeyA, secondKeyA) || !SpriterHelper.WillItBlend(firstKeyB, secondKeyB))
{
GetFrameData(first, targetTime, deltaTime);
return(FrameData);
}
float adjustedTimeFirst = SpriterHelper.AdjustTime(targetTime, firstKeyA, firstKeyB, first.Length);
float adjustedTimeSecond = SpriterHelper.AdjustTime(targetTimeSecond, secondKeyA, secondKeyB, second.Length);
SpriterSpatial[] boneInfosA = GetBoneInfos(firstKeyA, first, adjustedTimeFirst);
SpriterSpatial[] boneInfosB = GetBoneInfos(secondKeyA, second, adjustedTimeSecond);
SpriterSpatial[] boneInfos = null;
if (boneInfosA != null && boneInfosB != null)
{
boneInfos = Pool.GetArray <SpriterSpatial>(boneInfosA.Length);
for (int i = 0; i < boneInfosA.Length; ++i)
{
SpriterSpatial boneA = boneInfosA[i];
SpriterSpatial boneB = boneInfosB[i];
SpriterSpatial interpolated = Interpolate(boneA, boneB, factor, 1);
interpolated.Angle = MathHelper.CloserAngleLinear(boneA.Angle, boneB.Angle, factor);
boneInfos[i] = interpolated;
}
}
SpriterMainlineKey baseKey = factor < 0.5f ? firstKeyA : firstKeyB;
SpriterAnimation currentAnimation = factor < 0.5f ? first : second;
for (int i = 0; i < baseKey.ObjectRefs.Length; ++i)
{
SpriterObjectRef objectRefFirst = baseKey.ObjectRefs[i];
SpriterObject interpolatedFirst = GetObjectInfo(objectRefFirst, first, adjustedTimeFirst);
SpriterObjectRef objectRefSecond = secondKeyA.ObjectRefs[i];
SpriterObject interpolatedSecond = GetObjectInfo(objectRefSecond, second, adjustedTimeSecond);
SpriterObject info = Interpolate(interpolatedFirst, interpolatedSecond, factor, 1);
info.Angle = MathHelper.CloserAngleLinear(interpolatedFirst.Angle, interpolatedSecond.Angle, factor);
info.PivotX = MathHelper.Linear(interpolatedFirst.PivotX, interpolatedSecond.PivotX, factor);
info.PivotY = MathHelper.Linear(interpolatedFirst.PivotY, interpolatedSecond.PivotY, factor);
if (boneInfos != null && objectRefFirst.ParentId >= 0)
{
info.ApplyParentTransform(boneInfos[objectRefFirst.ParentId]);
}
AddSpatialData(info, currentAnimation.Timelines[objectRefFirst.TimelineId], currentAnimation.Entity.Spriter, deltaTime);
Pool.ReturnObject(interpolatedFirst);
Pool.ReturnObject(interpolatedSecond);
}
Pool.ReturnObject(boneInfosA);
Pool.ReturnObject(boneInfosB);
Pool.ReturnObject(boneInfos);
if (Config.MetadataEnabled)
{
UpdateMetadata(currentAnimation, targetTime, deltaTime);
}
return(FrameData);
}
private static void GetKeys(SpriterRef spriterRef, SpriterAnimation animation, out SpriterTimeLineKey keyA, out SpriterTimeLineKey keyB)
{
int tId = spriterRef.TimelineId;
int kId = spriterRef.KeyId;
var timelineKeys = animation.Timelines[tId].Keys;
keyA = timelineKeys[kId];
keyB = null;
if (timelineKeys.Length == 1) return;
int keyBId = kId + 1;
if (keyBId >= timelineKeys.Length)
{
if (animation.Looping) keyBId = 0;
else return;
}
keyB = timelineKeys[keyBId];
}
protected virtual void AddVariableAndTagData(SpriterAnimation animation, float targetTime)
{
if (animation.Meta == null)
{
return;
}
if (Config.VarsEnabled && animation.Meta.Varlines != null && animation.Meta.Varlines.Length > 0)
{
for (int i = 0; i < animation.Meta.Varlines.Length; ++i)
{
SpriterVarline varline = animation.Meta.Varlines[i];
SpriterVarDef variable = animation.Entity.Variables[varline.Def];
FrameData.AnimationVars[variable.Name] = GetVariableValue(animation, variable, varline, targetTime);
}
}
SpriterElement[] tags = animation.Entity.Spriter.Tags;
SpriterTagline tagline = animation.Meta.Tagline;
if (Config.TagsEnabled && tagline != null && tagline.Keys != null && tagline.Keys.Length > 0)
{
SpriterTaglineKey key = tagline.Keys.GetLastKey(targetTime);
if (key != null && key.Tags != null)
{
for (int i = 0; i < key.Tags.Length; ++i)
{
SpriterTag tag = key.Tags[i];
FrameData.AnimationTags.Add(tags[tag.TagId].Name);
}
}
}
for (int i = 0; i < animation.Timelines.Length; ++i)
{
SpriterTimeline timeline = animation.Timelines[i];
SpriterMeta meta = timeline.Meta;
if (meta == null)
{
continue;
}
SpriterObjectInfo objInfo = GetObjectInfo(animation, timeline.Name);
if (Config.VarsEnabled && meta.Varlines != null && meta.Varlines.Length > 0)
{
for (int j = 0; j < timeline.Meta.Varlines.Length; ++j)
{
SpriterVarline varline = timeline.Meta.Varlines[j];
SpriterVarDef variable = objInfo.Variables[varline.Def];
FrameData.AddObjectVar(objInfo.Name, variable.Name, GetVariableValue(animation, variable, varline, targetTime));
}
}
if (Config.TagsEnabled && meta.Tagline != null && meta.Tagline.Keys != null && meta.Tagline.Keys.Length > 0)
{
SpriterTaglineKey key = tagline.Keys.GetLastKey(targetTime);
if (key != null && key.Tags != null)
{
for (int j = 0; j < key.Tags.Length; ++j)
{
SpriterTag tag = key.Tags[j];
FrameData.AddObjectTag(objInfo.Name, tags[tag.TagId].Name);
}
}
}
}
}
private static SpriterObjectInfo GetObjectInfo(SpriterRef spriterRef, SpriterAnimation animation, float targetTime)
{
SpriterTimeLineKey keyA;
SpriterTimeLineKey keyB;
GetKeys(spriterRef, animation, out keyA, out keyB);
if (keyB == null) return Copy(keyA.ObjectInfo);
float factor = GetFactor(keyA, keyB, animation.Length, targetTime);
return Interpolate(keyA.ObjectInfo, keyB.ObjectInfo, factor, keyA.Spin);
}
public static FrameMetadata GetFrameMetadata(SpriterAnimation first, SpriterAnimation second, float targetTime, float deltaTime, float factor)
{
SpriterAnimation currentAnimation = factor < 0.5f ? first : second;
return(GetFrameMetadata(currentAnimation, targetTime, deltaTime));
}
/// <summary>
/// Plays the animation with the given name. Playback starts from the beginning.
/// </summary>
public virtual void Play(string name)
{
SpriterAnimation animation = Animations[name];
Play(animation);
}