public void advance_to_next_animation(float timeElapsed, AnimSequenceNode currAnim, double frameNum, AFrame frame)
{
var firstFrame = currAnim.Framerate >= 0.0f;
var secondFrame = currAnim.Framerate < 0.0f;
if (timeElapsed >= 0.0)
{
firstFrame = currAnim.Framerate < 0.0f;
secondFrame = currAnim.Framerate > 0.0f;
}
advance_to_next_animation_inner(timeElapsed, currAnim, frameNum, frame, firstFrame);
if (currAnim.GetNext() != null)
{
currAnim = currAnim.GetNext();
}
else
{
currAnim = FirstCyclic.Value;
}
// ref?
frameNum = currAnim.get_starting_frame();
advance_to_next_animation_inner(timeElapsed, currAnim, frameNum, frame, secondFrame);
}
public void advance_to_next_animation_inner(float timeElapsed, AnimSequenceNode currAnim, double frameNum, AFrame frame, bool checkFrame)
{
if (frame != null && checkFrame)
{
if (currAnim.Anim.PosFrames.Count > 0)
{
frame.Subtract(currAnim.get_pos_frame((int)Math.Floor(frameNum)));
}
if (Math.Abs(currAnim.Framerate) > PhysicsGlobals.EPSILON)
{
apply_physics(frame, 1.0f / currAnim.Framerate, timeElapsed);
}
}
}
public void append_animation(AnimData animData)
{
var node = new AnimSequenceNode(animData);
if (!node.has_anim())
{
return;
}
AnimList.AddLast(node);
FirstCyclic = AnimList.Last;
if (CurrAnim == null)
{
CurrAnim = AnimList.First;
FrameNumber = CurrAnim.Value.get_starting_frame();
}
}
public void update_internal(float timeElapsed, AnimSequenceNode currAnim, float frameNum, AFrame frame)
{
var framerate = currAnim.Framerate;
var frametime = framerate * timeElapsed;
var lastFrame = (int)Math.Floor(frameNum);
// ref?
frameNum += frametime;
var frameTimeElapsed = 0.0f;
var animDone = false;
if (frametime > 0.0f)
{
if (currAnim.get_high_frame() < Math.Floor(frameNum))
{
var frameOffset = frameNum - currAnim.get_high_frame() - 1.0f;
if (frameOffset < 0.0f)
{
frameOffset = 0.0f;
}
if (Math.Abs(framerate) > PhysicsGlobals.EPSILON)
{
frameTimeElapsed = frameOffset / framerate;
}
frameNum = currAnim.get_high_frame();
animDone = true;
}
while (Math.Floor(frameNum) > lastFrame)
{
if (frame != null)
{
if (currAnim.Anim.PosFrames != null)
{
frame = AFrame.Combine(frame, currAnim.get_pos_frame(lastFrame));
}
if (Math.Abs(framerate) > PhysicsGlobals.EPSILON)
{
apply_physics(frame, 1.0f / framerate, timeElapsed);
}
}
execute_hooks(currAnim.get_part_frame(lastFrame), AnimationHookDir.Forward);
lastFrame++;
}
}
else if (frametime < 0.0f)
{
if (currAnim.get_low_frame() > Math.Floor(frameNum))
{
var frameOffset = frameNum - currAnim.get_low_frame();
if (frameOffset > 0.0f)
{
frameOffset = 0.0f;
}
if (Math.Abs(framerate) > PhysicsGlobals.EPSILON)
{
frameTimeElapsed = frameOffset / framerate;
}
frameNum = currAnim.get_low_frame();
animDone = true;
}
while (Math.Floor(frameNum) < lastFrame)
{
if (frame != null)
{
if (currAnim.Anim.PosFrames != null)
{
frame = AFrame.Combine(frame, currAnim.get_pos_frame(lastFrame));
}
if (Math.Abs(framerate) > PhysicsGlobals.EPSILON)
{
apply_physics(frame, 1.0f / framerate, timeElapsed);
}
}
execute_hooks(currAnim.get_part_frame(lastFrame), AnimationHookDir.Backward);
lastFrame--;
}
}
else
{
if (frame != null && Math.Abs(timeElapsed) > PhysicsGlobals.EPSILON)
{
apply_physics(frame, timeElapsed, timeElapsed);
}
}
if (!animDone)
{
return;
}
if (HookObj != null)
{
var node = AnimList.First;
if (!node.Equals(FirstCyclic))
{
var animHook = new AnimationHook();
HookObj.add_anim_hook(animHook);
}
}
advance_to_next_animation(timeElapsed, currAnim, frameNum, frame);
timeElapsed = frameTimeElapsed;
// loop to next anim
update_internal(timeElapsed, currAnim, frameNum, frame);
}