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#include "HBMFrameController.h"
namespace homebutton {
void FrameController::init(int anm_type, f32 max_frame, f32 min_frame, f32 delta) {
mAnmType = anm_type;
mMaxFrame = max_frame;
mMinFrame = min_frame;
mDelta = delta;
mState = ANIM_STATE_STOP;
mbAlternateBack = false;
initFrame();
}
void FrameController::initFrame() {
mFrame = mAnmType == ANIM_TYPE_BACKWARD ? mMaxFrame : mMinFrame;
}
void FrameController::calc() {
if (mState != ANIM_STATE_PLAY) {
return;
}
switch (mAnmType) {
case ANIM_TYPE_FORWARD:
if ((mFrame += mDelta) >= getLastFrame()) {
mFrame = getLastFrame();
stop();
}
break;
case ANIM_TYPE_BACKWARD:
if ((mFrame -= mDelta) <= mMinFrame) {
mFrame = mMinFrame;
stop();
}
break;
case ANIM_TYPE_LOOP:
if ((mFrame += mDelta) >= mMaxFrame) {
mFrame -= mMaxFrame - mMinFrame;
}
break;
case ANIM_TYPE_ALTERNATE:
if (!mbAlternateBack) {
if ((mFrame += mDelta) >= getLastFrame()) {
mFrame = getLastFrame();
mbAlternateBack = true;
}
} else {
if ((mFrame -= mDelta) <= mMinFrame) {
mFrame = mMinFrame;
mbAlternateBack = false;
}
}
break;
}
}
} // namespace homebutton
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