Программист писал такую хрень:
Что скажете?

#include "API_Animation.h"

#include "../Core/Engine.h"
#include "../Core/APIManager.h"
#include "../Components/Animation.h"
#include "../Classes/StringConverter.h"
#include "../Assets/AnimationClip.h"

namespace GX
{
void API_Animation::play(MonoObject this_ptr, MonoString name)
{
Animation animList = nullptr;
mono_field_get_value(this_ptr, APIManager::getSingleton()->component_ptr_field, reinterpret_cast<void>(&animList));

if (animList != nullptr)
{
std::string animName = (const char)mono_string_to_utf8((MonoString)name);
animName = CP_SYS(animName);

animList->play(animName, 0);
}
}

void API_Animation::crossFade(MonoObject this_ptr, MonoString name, float duration)
{
Animation animList = nullptr;
mono_field_get_value(this_ptr, APIManager::getSingleton()->component_ptr_field, reinterpret_cast<void>(&animList));

if (animList != nullptr)
{
std::string animName = (const char)mono_string_to_utf8((MonoString)name);
animName = CP_SYS(animName);

animList->play(animName, duration);
}
}

void API_Animation::stop(MonoObject this_ptr)
{
Animation animList = nullptr;
mono_field_get_value(this_ptr, APIManager::getSingleton()->component_ptr_field, reinterpret_cast<void>(&animList));

if (animList != nullptr)
{
animList->stop();
}
}

void API_Animation::setLoop(MonoObject this_ptr, MonoString name, bool loop)
{
Animation animList = nullptr;
mono_field_get_value(this_ptr, APIManager::getSingleton()->component_ptr_field, reinterpret_cast<void>(&animList));

if (animList != nullptr)
{
std::string animName = (const char)mono_string_to_utf8((MonoString)name);
animName = CP_SYS(animName);

AnimationClipInfo inf = animList->getAnimationClip(animName);
if (inf != nullptr)
inf->loop = loop;
}
}

bool API_Animation::getLoop(MonoObject this_ptr, MonoString name)
{
Animation animList = nullptr;
mono_field_get_value(this_ptr, APIManager::getSingleton()->component_ptr_field, reinterpret_cast<void>(&animList));

if (animList != nullptr)
{
std::string animName = (const char)mono_string_to_utf8((MonoString)name);
animName = CP_SYS(animName);

AnimationClipInfo inf = animList->getAnimationClip(animName);
if (inf != nullptr)
return inf->loop;

return false;
}

return false;
}

bool API_Animation::isPlayingByName(MonoObject this_ptr, MonoString name)
{
Animation animList = nullptr;
mono_field_get_value(this_ptr, APIManager::getSingleton()->component_ptr_field, reinterpret_cast<void>(&animList));

if (animList != nullptr)
{
std::string animName = (const char)mono_string_to_utf8((MonoString)name);
animName = CP_SYS(animName);

return animList->isPlaying(animName);
}

return false;
}

bool API_Animation::isPlaying(MonoObject this_ptr)
{
Animation animList = nullptr;
mono_field_get_value(this_ptr, APIManager::getSingleton()->component_ptr_field, reinterpret_cast<void>(&animList));

if (animList != nullptr)
return animList->isPlaying();

return false;
}

int API_Animation::getNumAnimationClips(MonoObject this_ptr)
{
Animation animList = nullptr;
mono_field_get_value(this_ptr, APIManager::getSingleton()->component_ptr_field, reinterpret_cast<void*>(&animList));

if (animList != nullptr)
return animList->getAnimationClips().size();

return 0;
}

void API_Animation::getAnimationClipInfo(MonoObject* this_ptr, int index, API::AnimationClipInfo* out_info)
{
Animation* animList = nullptr;
mono_field_get_value(this_ptr, APIManager::getSingleton()->component_ptr_field, reinterpret_cast<void*>(&animList));

if (animList != nullptr)
{
if (index < animList->getAnimationClips().size())
{
AnimationClipInfo* info = animList->getAnimationClip(index);

out_info->clip = info->clip->getManagedObject();
out_info->name = mono_string_new(APIManager::getSingleton()->getDomain(), CP_UNI(info->name).c_str());
out_info->startFrame = info->startFrame;
out_info->endFrame = info->endFrame;
out_info->speed = info->speed;
out_info->loop = info->loop;
}
}
}
}