Function AnimateComponent

engine/gui/src/gui.cpp:3936–3998

    }

    static Animation* AnimateComponent(HScene scene,
                                 HNode node,
                                 float* value,
                                 float to,
                                 dmEasing::Curve easing,
                                 Playback playback,
                                 float duration,
                                 float delay,
                                 float playback_rate,
                                 AnimationComplete animation_complete,
                                 void* userdata1,
                                 void* userdata2)
    {
        uint16_t version = (uint16_t) (node >> 16);
        uint16_t index = node & 0xffff;
        InternalNode* n = &scene->m_Nodes[index];
        assert(n->m_Version == version);

        Animation animation;
        uint32_t animation_index = FindAnimation(scene->m_Animations, value);

        if (animation_index == 0xffffffff)
        {
            if (scene->m_Animations.Full())
            {
                dmLogWarning("Out of animation resources (%d)", scene->m_Animations.Size());
                return NULL;
            }
            animation_index = scene->m_Animations.Size();
            scene->m_Animations.SetSize(animation_index+1);
        }
        else
        {
            // Make sure to invoke the callback when we are re-using the
            // animation index so that we can clean up dangling ref's in
            // the gui_script module.
            Animation* anim = &scene->m_Animations[animation_index];
            if (anim->m_AnimationComplete && !anim->m_AnimationCompleteCalled)
            {
                anim->m_AnimationComplete(scene, anim->m_Node, false, anim->m_Userdata1, anim->m_Userdata2);
            }
        }

        animation.m_Node = node;
        animation.m_Value = value;
        animation.m_To = to;
        animation.m_Delay = delay < 0.0f ? 0.0f : delay;
        animation.m_Elapsed = 0.0f;
        animation.m_Duration = duration < 0.0f ? 0.0f : duration;
        animation.m_PlaybackRate = playback_rate;
        animation.m_Easing = easing;
        animation.m_Playback = playback;
        animation.m_AnimationComplete = animation_complete;
        animation.m_Userdata1 = userdata1;
        animation.m_Userdata2 = userdata2;
        animation.m_FirstUpdate = 1;
        animation.m_AnimationCompleteCalled = 0;
        animation.m_Cancelled = 0;