private void GenerateOrderedStateAndSubAnimationCode(StateCodeGeneratorContext context, ICodeBlock currentBlock, AnimationSave animation, string animationType, AbsoluteOrRelative absoluteOrRelative)
{
List <AnimatedStateSave> remainingStates = new List <AnimatedStateSave>();
remainingStates.AddRange(animation.States);
List <AnimationReferenceSave> remainingSubAnimations = new List <AnimationReferenceSave>();
remainingSubAnimations.AddRange(animation.Animations);
double nextStateTime;
double nextAnimationTime;
AnimatedStateSave previousState = null;
AnimatedStateSave currentState = null;
while (remainingStates.Count > 0 || remainingSubAnimations.Count > 0)
{
if (remainingStates.Count > 0)
{
nextStateTime = remainingStates[0].Time;
}
else
{
nextStateTime = double.PositiveInfinity;
}
if (remainingSubAnimations.Count > 0)
{
nextAnimationTime = remainingSubAnimations[0].Time;
}
else
{
nextAnimationTime = double.PositiveInfinity;
}
if (nextAnimationTime < nextStateTime)
{
CreateInstructionForSubAnimation(currentBlock, remainingSubAnimations[0], absoluteOrRelative, animation, context);
remainingSubAnimations.RemoveAt(0);
}
else
{
currentState = remainingStates[0];
CreateInstructionForInterpolation(context, currentBlock, animationType, previousState,
currentState, absoluteOrRelative, animation.PropertyNameInCode());
previousState = currentState;
remainingStates.RemoveAt(0);
}
}
}
private void CreateInstructionForInterpolation(StateCodeGeneratorContext context, ICodeBlock currentBlock, string animationType, AnimatedStateSave previousState, AnimatedStateSave currentState, AbsoluteOrRelative absoluteOrRelative, string animationName)
{
currentBlock = currentBlock.Block();
if (absoluteOrRelative == AbsoluteOrRelative.Absolute)
{
CreateInstructionForInterpolationAbsolute(context, currentBlock, animationType, previousState, currentState, animationName);
}
else
{
CreateInstructionForInterpolationRelative(context, currentBlock, previousState, currentState);
}
currentBlock = currentBlock.End();
}
private void GenerateAnimationEnumerables(ElementSave elementSave, ICodeBlock currentBlock)
{
currentBlock.Line("#region State Animations");
StateCodeGeneratorContext context = new StateCodeGeneratorContext();
context.Element = elementSave;
ElementAnimationsSave animations = GetAnimationsFor(elementSave);
if(animations != null)
{
foreach(var animation in animations.Animations)
{
GenerateEnumerableFor(context, currentBlock, animation, AbsoluteOrRelative.Absolute);
GenerateEnumerableFor(context, currentBlock, animation, AbsoluteOrRelative.Relative);
GenerateAnimationMember(context, currentBlock, animation, AbsoluteOrRelative.Absolute);
GenerateAnimationMember(context, currentBlock, animation, AbsoluteOrRelative.Relative);
}
}
currentBlock.Line("#endregion");
}
private void GenerateAnimationEnumerables(ElementSave elementSave, ICodeBlock currentBlock)
{
currentBlock.Line("#region State Animations");
StateCodeGeneratorContext context = new StateCodeGeneratorContext();
context.Element = elementSave;
ElementAnimationsSave animations = GetAnimationsFor(elementSave);
if (animations != null)
{
foreach (var animation in animations.Animations)
{
GenerateGetEnumerableFor(context, currentBlock, animation, AbsoluteOrRelative.Absolute);
GenerateGetEnumerableFor(context, currentBlock, animation, AbsoluteOrRelative.Relative);
GenerateAnimationMember(context, currentBlock, animation, AbsoluteOrRelative.Absolute);
GenerateAnimationMember(context, currentBlock, animation, AbsoluteOrRelative.Relative);
}
}
currentBlock.Line("#endregion");
}
private void GenerateAnimationMember(StateCodeGeneratorContext context, ICodeBlock currentBlock, AnimationSave animation, AbsoluteOrRelative absoluteOrRelative)
{
string propertyName = animation.PropertyNameInCode();
if (absoluteOrRelative == AbsoluteOrRelative.Relative)
{
propertyName += "Relative";
}
string referencedInstructionProperty = propertyName + "Instructions";
// Force the property to be upper-case, since the field is lower-case:
// We want to generate something like:
//private FlatRedBall.Gum.Animation.GumAnimation uncategorizedAnimation;
//public FlatRedBall.Gum.Animation.GumAnimation UncategorizedAnimation
//{
// get
// {
// if (uncategorizedAnimation == null)
// {
// uncategorizedAnimation = new FlatRedBall.Gum.Animation.GumAnimation(1, () => UncategorizedAnimationInstructions);
// uncategorizedAnimation.AddEvent("Event1", 3.0f);
// }
// return uncategorizedAnimation;
// }
//}
var firstCharacterLower = propertyName.Substring(0, 1).ToLowerInvariant();
var fieldName = firstCharacterLower + propertyName.Substring(1);
currentBlock.Line($"private FlatRedBall.Gum.Animation.GumAnimation {fieldName};");
currentBlock = currentBlock.Property("public FlatRedBall.Gum.Animation.GumAnimation", propertyName).Get();
float length = GetAnimationLength(context.Element, animation);
string lengthAsString = ToFloatString(length);
var ifBlock = currentBlock.If($"{fieldName} == null");
{
ifBlock.Line(
$"{fieldName} = new FlatRedBall.Gum.Animation.GumAnimation({lengthAsString}, {referencedInstructionProperty});");
foreach (var namedEvent in animation.Events)
{
string timeAsString = ToFloatString(namedEvent.Time);
ifBlock.Line(
$"{fieldName}.AddEvent(\"{namedEvent.Name}\", {timeAsString});");
}
foreach (var subAnimation in animation.Animations)
{
if (string.IsNullOrEmpty(subAnimation.SourceObject) == false)
{
var isMissingInstance = context.Element.GetInstance(subAnimation.SourceObject) == null;
if (isMissingInstance)
{
ifBlock.Line($"//Missing object {subAnimation.SourceObject}");
}
else
{
ifBlock.Line($"{fieldName}.SubAnimations.Add({subAnimation.PropertyNameInCode()});");
}
}
}
}
currentBlock.Line($"return {fieldName};");
}
private void CreateInstructionForInterpolationAbsolute(StateCodeGeneratorContext context, ICodeBlock currentBlock, string animationType, AnimatedStateSave previousState, AnimatedStateSave currentState, string animationName)
{
if (previousState == null)
{
string variableStateName = null;
variableStateName = "CurrentVariableState";
if (currentState.StateName.Contains("/"))
{
var split = currentState.StateName.Split('/');
animationType = split[0];
}
if (animationType != "VariableState")
{
variableStateName = "Current" + animationType + "State";
}
// todo: Change this on categories
//System.Action action = () => this.CurrentState = fromState;
string enumValue = currentState.StateName;
if (enumValue.Contains("/"))
{
enumValue = enumValue.Split('/')[1];
}
currentBlock.Line("var toReturn = new FlatRedBall.Instructions.DelegateInstruction( ()=> this." + variableStateName + " = " +
animationType + "." + enumValue + ");");
currentBlock.Line("toReturn.TimeToExecute = FlatRedBall.TimeManager.CurrentTime;");
currentBlock.Line("toReturn.Target = target;");
}
else
{
var previousCategory = context.Element.Categories.FirstOrDefault(item => item.States.Any(stateCandiate => stateCandiate.Name == previousState.StateName));
var currentCategory = context.Element.Categories.FirstOrDefault(item => item.States.Any(stateCandiate => stateCandiate.Name == currentState.StateName));
// Now that we interpolateTo a single state, we don't
// need to pass in the StateSave object:
//bool differentCategories = previousCategory != currentCategory;
// November 3, 2015
// Gum uses a "cumulative
// state" system, so that each
// keyframe in an animation will
// tween with variables both before
// and after.
// The code as of the time of the writing
// of this comment does InterpolateBetween
// two states, which does not consider the state
// of the object and only tweens variables common
// to the two states. This makes the runtime behave
// different than Glue, and it also makes the runtime
// behave in confusing ways as authors don't often think
// about the individual variables that may be set in a state.
// We can solve this by instead doing Interpolate to between the
// current state of the instance and the state that we are interpolating
// to. Going to accomplish this by getting rid of the "from" state:
//string fromState = null;
string toState = null;
string enumValue = currentState.StateName;
if (currentState.StateName.Contains("/"))
{
currentCategory = context.Element.Categories.FirstOrDefault(item => item.Name == currentState.StateName.Split('/')[0]);
enumValue = currentState.StateName.Split('/')[1];
}
//if (differentCategories)
//{
//fromState = "this.ElementSave.AllStates.FirstOrDefault(item => item.Name == \"" + previousState.StateName + "\")";
//toState = "this.ElementSave.AllStates.FirstOrDefault(item => item.Name == \"" + currentState.StateName + "\")";
//}
//else
//{
//fromState = animationType + "." + previousState.StateName;
if (currentCategory == null)
{
toState = "VariableState." + enumValue;
}
else
{
toState = currentCategory.Name + "." + enumValue;
}
//}
string previousStateTime = ToFloatString(previousState.Time);
string interpolationTime = ToFloatString(currentState.Time - previousState.Time);
string easing = "FlatRedBall.Glue.StateInterpolation.Easing." + previousState.Easing;
string interpolationType = "FlatRedBall.Glue.StateInterpolation.InterpolationType." + previousState.InterpolationType;
var line = "var toReturn = new FlatRedBall.Instructions.DelegateInstruction( () => this.InterpolateTo(" +
string.Format("{0}, {1}, {2}, {3}, {4}));", toState, interpolationTime, interpolationType, easing, animationName);
currentBlock.Line(line);
currentBlock.Line("toReturn.Target = target;");
currentBlock.Line("toReturn.TimeToExecute = FlatRedBall.TimeManager.CurrentTime + " + previousStateTime + ";");
}
currentBlock.Line("yield return toReturn;");
//System.Action action = () => this.InterpolateTo(fromState, toState, timeToTake, interpolationType, easing);
}
private void CreateInstructionForInterpolationRelative(StateCodeGeneratorContext context, ICodeBlock currentBlock, AnimatedStateSave previousState, AnimatedStateSave currentState)
{
if (previousState != null)
{
currentBlock.Line("var toReturn = new FlatRedBall.Instructions.DelegateInstruction(() =>");
{
currentBlock = currentBlock.Block();
// Is the start clone necessary?
currentBlock.Line("var relativeStart = ElementSave.AllStates.FirstOrDefault(item => item.Name == \"" + previousState.StateName + "\").Clone();");
currentBlock.Line("var relativeEnd = ElementSave.AllStates.FirstOrDefault(item => item.Name == \"" + currentState.StateName + "\").Clone();");
currentBlock.Line("Gum.DataTypes.Variables.StateSaveExtensionMethods.SubtractFromThis(relativeEnd, relativeStart);");
currentBlock.Line("var difference = relativeEnd;");
string categoryName = "VariableState";
var category = context.Element.Categories.FirstOrDefault(item => item.States.Any(stateCandidate => stateCandidate.Name == currentState.StateName));
string enumValue = currentState.StateName;
if (currentState.StateName.Contains('/'))
{
var split = currentState.StateName.Split('/');
category = context.Element.Categories.FirstOrDefault(item => item.Name == split[0]);
enumValue = split[1];
}
if (category != null)
{
categoryName = category.Name;
}
currentBlock.Line("Gum.DataTypes.Variables.StateSave first = GetCurrentValuesOnState(" + categoryName + "." + enumValue + ");");
currentBlock.Line("Gum.DataTypes.Variables.StateSave second = first.Clone();");
currentBlock.Line("Gum.DataTypes.Variables.StateSaveExtensionMethods.AddIntoThis(second, difference);");
string interpolationTime = ToFloatString(currentState.Time - previousState.Time);
string easing = "FlatRedBall.Glue.StateInterpolation.Easing." + previousState.Easing;
string interpolationType = "FlatRedBall.Glue.StateInterpolation.InterpolationType." + previousState.InterpolationType;
currentBlock.Line(
string.Format("FlatRedBall.Glue.StateInterpolation.Tweener tweener = new FlatRedBall.Glue.StateInterpolation.Tweener(from: 0, to: 1, duration: {0}, type: {1}, easing: {2});",
interpolationTime,
interpolationType,
easing));
currentBlock.Line("tweener.Owner = this;");
currentBlock.Line("tweener.PositionChanged = newPosition => this.InterpolateBetween(first, second, newPosition);");
currentBlock.Line("tweener.Start();");
currentBlock.Line("StateInterpolationPlugin.TweenerManager.Self.Add(tweener);");
currentBlock = currentBlock.End();
}
currentBlock.Line(");");
string previousStateTime = ToFloatString(previousState.Time);
currentBlock.Line("toReturn.TimeToExecute = FlatRedBall.TimeManager.CurrentTime + " + previousStateTime + ";");
currentBlock.Line("toReturn.Target = target;");
currentBlock.Line("yield return toReturn;");
}
}
private static void CreateInstructionForSubAnimation(ICodeBlock currentBlock, AnimationReferenceSave animationReferenceSave, AbsoluteOrRelative absoluteOrRelative, AnimationSave parentAnimation, StateCodeGeneratorContext context)
{
currentBlock = currentBlock.Block();
//var instruction = new FlatRedBall.Instructions.DelegateInstruction(() =>
//FlatRedBall.Instructions.InstructionManager.Instructions.AddRange(ClickableBushInstance.GrowAnimation));
//instruction.TimeToExecute = FlatRedBall.TimeManager.CurrentTime + asdf;
//yield return instruction;
var isReferencingMissingInstance = !string.IsNullOrEmpty(animationReferenceSave.SourceObject) &&
context.Element.GetInstance(animationReferenceSave.SourceObject) == null;
////////////////Early Out///////////////
if (isReferencingMissingInstance)
{
currentBlock.Line($"// This animation references a missing instance named {animationReferenceSave.SourceObject}");
return;
}
/////////////End Early Out/////////////
string animationName = animationReferenceSave.PropertyNameInCode();
//animationReferenceSave. FlatRedBall.IO.FileManager.RemovePath(animationReferenceSave.Name) + "Animation";
if (absoluteOrRelative == AbsoluteOrRelative.Relative)
{
animationName += "Relative";
}
currentBlock.Line($"var instruction = new FlatRedBall.Instructions.DelegateInstruction(()=>{animationName}.Play({parentAnimation.PropertyNameInCode()}));");
currentBlock.Line("instruction.TimeToExecute = FlatRedBall.TimeManager.CurrentTime + " + ToFloatString(animationReferenceSave.Time) + ";");
currentBlock.Line("yield return instruction;");
currentBlock = currentBlock.End();
}
private void GenerateGetEnumerableFor(StateCodeGeneratorContext context, ICodeBlock currentBlock, AnimationSave animation, AbsoluteOrRelative absoluteOrRelative)
{
string animationType = "VariableState";
string animationName = animation.PropertyNameInCode();
if (absoluteOrRelative == AbsoluteOrRelative.Relative)
{
animationName += "Relative";
}
string propertyName = animationName + "Instructions";
// Instructions used to be public - the user would grab them and add them to the InstructionManager,
// but now everything is encased in an Animation object which handles stopping itself and provides a simple
// Play method.
const string signature = "private System.Collections.Generic.IEnumerable<FlatRedBall.Instructions.Instruction>";
if (animation.States.Count == 0 && animation.Animations.Count == 0)
{
currentBlock = currentBlock.Function(signature, propertyName, "object target");
currentBlock.Line("yield break;");
}
else if (absoluteOrRelative == AbsoluteOrRelative.Relative && animation.States.Count < 2 && animation.Animations.Count == 0)
{
currentBlock = currentBlock.Function(signature, propertyName, "object target");
currentBlock.Line("yield break;");
}
else
{
if (animation.States.Count != 0)
{
var firstState = context.Element.AllStates.FirstOrDefault(item => item.Name == animation.States.First().StateName);
var category = context.Element.Categories.FirstOrDefault(item => item.States.Contains(firstState));
if (category != null)
{
animationType = category.Name;
}
}
currentBlock = currentBlock.Function(signature, propertyName, "object target");
GenerateOrderedStateAndSubAnimationCode(context, currentBlock, animation, animationType, absoluteOrRelative);
if (animation.Loops)
{
currentBlock = currentBlock.Block();
currentBlock.Line("var toReturn = new FlatRedBall.Instructions.DelegateInstruction( " +
"() => FlatRedBall.Instructions.InstructionManager.Instructions.AddRange(this." + propertyName + "(target)));");
string executionTime = "0.0f";
if (animation.States.Count != 0)
{
executionTime = ToFloatString(animation.States.Last().Time);
}
currentBlock.Line("toReturn.TimeToExecute = FlatRedBall.TimeManager.CurrentTime + " + executionTime + ";");
currentBlock.Line("toReturn.Target = target;");
currentBlock.Line("yield return toReturn;");
currentBlock = currentBlock.End();
}
}
}
private void GenerateAnimationMember(StateCodeGeneratorContext context, ICodeBlock currentBlock, AnimationSave animation, AbsoluteOrRelative absoluteOrRelative)
{
string propertyName = animation.PropertyNameInCode();
if (absoluteOrRelative == AbsoluteOrRelative.Relative)
{
propertyName += "Relative";
}
string referencedInstructionProperty = propertyName + "Instructions";
// Force the property to be upper-case, since the field is lower-case:
// We want to generate something like:
//private FlatRedBall.Gum.Animation.GumAnimation uncategorizedAnimation;
//public FlatRedBall.Gum.Animation.GumAnimation UncategorizedAnimation
//{
// get
// {
// if (uncategorizedAnimation == null)
// {
// uncategorizedAnimation = new FlatRedBall.Gum.Animation.GumAnimation(1, () => UncategorizedAnimationInstructions);
// uncategorizedAnimation.AddEvent("Event1", 3.0f);
// }
// return uncategorizedAnimation;
// }
//}
var firstCharacterLower = propertyName.Substring(0, 1).ToLowerInvariant();
var fieldName = firstCharacterLower + propertyName.Substring(1);
currentBlock.Line($"private FlatRedBall.Gum.Animation.GumAnimation {fieldName};");
currentBlock = currentBlock.Property("public FlatRedBall.Gum.Animation.GumAnimation", propertyName).Get();
float length = GetAnimationLength(context.Element, animation);
string lengthAsString = ToFloatString(length);
var ifBlock = currentBlock.If($"{fieldName} == null");
{
ifBlock.Line(
$"{fieldName} = new FlatRedBall.Gum.Animation.GumAnimation({lengthAsString}, () => {referencedInstructionProperty});");
foreach(var namedEvent in animation.Events)
{
string timeAsString = ToFloatString(namedEvent.Time);
ifBlock.Line(
$"{fieldName}.AddEvent(\"{namedEvent.Name}\", {timeAsString});");
}
foreach(var subAnimation in animation.Animations)
{
if(string.IsNullOrEmpty(subAnimation.SourceObject) == false)
{
ifBlock.Line($"{fieldName}.SubAnimations.Add({subAnimation.PropertyNameInCode()});");
}
}
}
currentBlock.Line($"return {fieldName};");
}
private void CreateInstructionForInterpolationAbsolute(StateCodeGeneratorContext context, ICodeBlock currentBlock, string animationType, AnimatedStateSave previousState, AnimatedStateSave currentState, string animationName)
{
if (previousState == null)
{
string variableStateName = null;
variableStateName = "CurrentVariableState";
if (currentState.StateName.Contains("/"))
{
var split = currentState.StateName.Split('/');
animationType = split[0];
}
if (animationType != "VariableState")
{
variableStateName = "Current" + animationType + "State";
}
// todo: Change this on categories
//System.Action action = () => this.CurrentState = fromState;
string enumValue = currentState.StateName;
if(enumValue.Contains("/"))
{
enumValue = enumValue.Split('/')[1];
}
currentBlock.Line("var toReturn = new FlatRedBall.Instructions.DelegateInstruction( ()=> this." + variableStateName + " = " +
animationType + "." + enumValue + ");");
currentBlock.Line("toReturn.TimeToExecute = FlatRedBall.TimeManager.CurrentTime;");
}
else
{
var previousCategory = context.Element.Categories.FirstOrDefault(item => item.States.Any(stateCandiate => stateCandiate.Name == previousState.StateName));
var currentCategory = context.Element.Categories.FirstOrDefault(item => item.States.Any(stateCandiate => stateCandiate.Name == currentState.StateName));
// Now that we interpolateTo a single state, we don't
// need to pass in the StateSave object:
//bool differentCategories = previousCategory != currentCategory;
// November 3, 2015
// Gum uses a "cumulative
// state" system, so that each
// keyframe in an animation will
// tween with variables both before
// and after.
// The code as of the time of the writing
// of this comment does InterpolateBetween
// two states, which does not consider the state
// of the object and only tweens variables common
// to the two states. This makes the runtime behave
// different than Glue, and it also makes the runtime
// behave in confusing ways as authors don't often think
// about the individual variables that may be set in a state.
// We can solve this by instead doing Interpolate to between the
// current state of the instance and the state that we are interpolating
// to. Going to accomplish this by getting rid of the "from" state:
//string fromState = null;
string toState = null;
string enumValue = currentState.StateName;
if(currentState.StateName.Contains("/"))
{
currentCategory = context.Element.Categories.FirstOrDefault(item => item.Name == currentState.StateName.Split('/')[0]);
enumValue = currentState.StateName.Split('/')[1];
}
//if (differentCategories)
//{
//fromState = "this.ElementSave.AllStates.FirstOrDefault(item => item.Name == \"" + previousState.StateName + "\")";
//toState = "this.ElementSave.AllStates.FirstOrDefault(item => item.Name == \"" + currentState.StateName + "\")";
//}
//else
//{
//fromState = animationType + "." + previousState.StateName;
if (currentCategory == null)
{
toState = "VariableState." + enumValue;
}
else
{
toState = currentCategory.Name + "." + enumValue;
}
//}
string previousStateTime = ToFloatString(previousState.Time);
string interpolationTime = ToFloatString(currentState.Time - previousState.Time);
string easing = "FlatRedBall.Glue.StateInterpolation.Easing." + previousState.Easing;
string interpolationType = "FlatRedBall.Glue.StateInterpolation.InterpolationType." + previousState.InterpolationType;
var line = "var toReturn = new FlatRedBall.Instructions.DelegateInstruction( () => this.InterpolateTo(" +
string.Format("{0}, {1}, {2}, {3}, {4}));", toState, interpolationTime, interpolationType, easing, animationName);
// vic says -
// For some reason I'm getting some weird code generation issues when generating one of my objects for the racing game
// I don't have perfect repro steps, so I wanted to catch it in the debugger:
//var toReturn = new FlatRedBall.Instructions.DelegateInstruction( () => this.InterpolateTo(VariableState.Shown, 0.25f, FlatRedBall.Glue.StateInterpolation.InterpolationType.Linear, FlatRedBall.Glue.StateInterpolation.Easing.Out, FadeInAnimation));
if (line.Contains("var toReturn = new FlatRedBall.Instructions.DelegateInstruction( () => this.InterpolateTo(VariableState.Shown, 0.25f, FlatRedBall.Glue.StateInterpolation.InterpolationType.Linear, FlatRedBall.Glue.StateInterpolation.Easing.Out, FadeInAnimation));"))
{
int m = 3;
}
currentBlock.Line(line);
currentBlock.Line("toReturn.TimeToExecute = FlatRedBall.TimeManager.CurrentTime + " + previousStateTime + ";");
}
currentBlock.Line("yield return toReturn;");
//System.Action action = () => this.InterpolateTo(fromState, toState, timeToTake, interpolationType, easing);
}
private void CreateInstructionForInterpolationRelative(StateCodeGeneratorContext context, ICodeBlock currentBlock, AnimatedStateSave previousState, AnimatedStateSave currentState)
{
if(previousState != null)
{
currentBlock.Line("var toReturn = new FlatRedBall.Instructions.DelegateInstruction(() =>");
{
currentBlock = currentBlock.Block();
// Is the start clone necessary?
currentBlock.Line("var relativeStart = ElementSave.AllStates.FirstOrDefault(item => item.Name == \"" + previousState.StateName + "\").Clone();");
currentBlock.Line("var relativeEnd = ElementSave.AllStates.FirstOrDefault(item => item.Name == \"" + currentState.StateName + "\").Clone();");
currentBlock.Line("Gum.DataTypes.Variables.StateSaveExtensionMethods.SubtractFromThis(relativeEnd, relativeStart);");
currentBlock.Line("var difference = relativeEnd;");
string categoryName = "VariableState";
var category = context.Element.Categories.FirstOrDefault(item => item.States.Any(stateCandidate => stateCandidate.Name == currentState.StateName));
string enumValue = currentState.StateName;
if(currentState.StateName.Contains('/'))
{
var split = currentState.StateName.Split('/');
category = context.Element.Categories.FirstOrDefault(item => item.Name == split[0]);
enumValue = split[1];
}
if(category != null)
{
categoryName = category.Name;
}
currentBlock.Line("Gum.DataTypes.Variables.StateSave first = GetCurrentValuesOnState(" + categoryName + "." + enumValue + ");");
currentBlock.Line("Gum.DataTypes.Variables.StateSave second = first.Clone();");
currentBlock.Line("Gum.DataTypes.Variables.StateSaveExtensionMethods.AddIntoThis(second, difference);");
string interpolationTime = ToFloatString(currentState.Time - previousState.Time);
string easing = "FlatRedBall.Glue.StateInterpolation.Easing." + previousState.Easing;
string interpolationType = "FlatRedBall.Glue.StateInterpolation.InterpolationType." + previousState.InterpolationType;
currentBlock.Line(
string.Format("FlatRedBall.Glue.StateInterpolation.Tweener tweener = new FlatRedBall.Glue.StateInterpolation.Tweener(from: 0, to: 1, duration: {0}, type: {1}, easing: {2});",
interpolationTime,
interpolationType,
easing));
currentBlock.Line("tweener.Owner = this;");
currentBlock.Line("tweener.PositionChanged = newPosition => this.InterpolateBetween(first, second, newPosition);");
currentBlock.Line("tweener.Start();");
currentBlock.Line("StateInterpolationPlugin.TweenerManager.Self.Add(tweener);");
currentBlock = currentBlock.End();
}
currentBlock.Line(");");
string previousStateTime = ToFloatString(previousState.Time);
currentBlock.Line("toReturn.TimeToExecute = FlatRedBall.TimeManager.CurrentTime + " + previousStateTime + ";");
currentBlock.Line("yield return toReturn;");
}
}
private void CreateInstructionForInterpolation(StateCodeGeneratorContext context, ICodeBlock currentBlock, string animationType, AnimatedStateSave previousState, AnimatedStateSave currentState, AbsoluteOrRelative absoluteOrRelative, string animationName)
{
currentBlock = currentBlock.Block();
if (absoluteOrRelative == AbsoluteOrRelative.Absolute)
{
CreateInstructionForInterpolationAbsolute(context, currentBlock, animationType, previousState, currentState, animationName);
}
else
{
CreateInstructionForInterpolationRelative(context,currentBlock, previousState, currentState);
}
currentBlock = currentBlock.End();
}
private void GenerateOrderedStateAndSubAnimationCode(StateCodeGeneratorContext context, ICodeBlock currentBlock, AnimationSave animation, string animationType, AbsoluteOrRelative absoluteOrRelative)
{
List<AnimatedStateSave> remainingStates = new List<AnimatedStateSave>();
remainingStates.AddRange(animation.States);
List<AnimationReferenceSave> remainingSubAnimations = new List<AnimationReferenceSave>();
remainingSubAnimations.AddRange(animation.Animations);
double nextStateTime;
double nextAnimationTime;
AnimatedStateSave previousState = null;
AnimatedStateSave currentState = null;
while (remainingStates.Count > 0 || remainingSubAnimations.Count > 0)
{
if (remainingStates.Count > 0)
{
nextStateTime = remainingStates[0].Time;
}
else
{
nextStateTime = double.PositiveInfinity;
}
if (remainingSubAnimations.Count > 0)
{
nextAnimationTime = remainingSubAnimations[0].Time;
}
else
{
nextAnimationTime = double.PositiveInfinity;
}
if (nextAnimationTime < nextStateTime)
{
CreateInstructionForSubAnimation(currentBlock, remainingSubAnimations[0], absoluteOrRelative, animation);
remainingSubAnimations.RemoveAt(0);
}
else
{
currentState = remainingStates[0];
CreateInstructionForInterpolation(context, currentBlock, animationType, previousState,
currentState, absoluteOrRelative, animation.PropertyNameInCode());
previousState = currentState;
remainingStates.RemoveAt(0);
}
}
}
private void GenerateEnumerableFor(StateCodeGeneratorContext context, ICodeBlock currentBlock, AnimationSave animation, AbsoluteOrRelative absoluteOrRelative)
{
string animationType = "VariableState";
string animationName = animation.PropertyNameInCode();
if(absoluteOrRelative == AbsoluteOrRelative.Relative)
{
animationName += "Relative";
}
string propertyName = animationName + "Instructions";
// Instructions used to be public - the user would grab them and add them to the InstructionManager,
// but now everything is encased in an Animation object which handles stopping itself and provides a simple
// Play method.
if (animation.States.Count == 0 && animation.Animations.Count == 0)
{
currentBlock = currentBlock.Property("private System.Collections.Generic.IEnumerable<FlatRedBall.Instructions.Instruction>", propertyName).Get();
currentBlock.Line("yield break;");
}
else if(absoluteOrRelative == AbsoluteOrRelative.Relative && animation.States.Count < 2 && animation.Animations.Count == 0)
{
currentBlock = currentBlock.Property("private System.Collections.Generic.IEnumerable<FlatRedBall.Instructions.Instruction>", propertyName).Get();
currentBlock.Line("yield break;");
}
else
{
if (animation.States.Count != 0)
{
var firstState = context.Element.AllStates.FirstOrDefault(item => item.Name == animation.States.First().StateName);
var category = context.Element.Categories.FirstOrDefault(item => item.States.Contains(firstState));
if (category != null)
{
animationType = category.Name;
}
}
currentBlock = currentBlock.Property("private System.Collections.Generic.IEnumerable<FlatRedBall.Instructions.Instruction>", propertyName).Get();
GenerateOrderedStateAndSubAnimationCode(context, currentBlock, animation, animationType, absoluteOrRelative);
if(animation.Loops)
{
currentBlock = currentBlock.Block();
currentBlock.Line("var toReturn = new FlatRedBall.Instructions.DelegateInstruction( " +
"() => FlatRedBall.Instructions.InstructionManager.Instructions.AddRange(this." + propertyName + "));");
string executionTime = "0.0f";
if(animation.States.Count != 0)
{
executionTime = ToFloatString( animation.States.Last().Time);
}
currentBlock.Line("toReturn.TimeToExecute = FlatRedBall.TimeManager.CurrentTime + " + executionTime + ";");
currentBlock.Line("yield return toReturn;");
currentBlock = currentBlock.End();
}
}
}