animation.cpp

Go to the documentation of this file.

#include "animation.hpp"
#include <engine/meta/core/math/quaternion.hpp>
#include <engine/meta/core/math/transform.hpp>
 
#include <fstream>
#include <filesystem/file_istream.h>
#include <serialization/associative_archive.h>
#include <serialization/binary_archive.h>
 
namespace unravel
{
 
REFLECT(root_motion_params)
{
    entt::meta_factory<root_motion_params>{}
        .type("root_motion_params"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "root_motion_params"},
            entt::attribute{"pretty_name", "Root Motion Params"},
        })
        .data<&root_motion_params::keep_position_y>("keep_position_y"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "keep_position_y"},
            entt::attribute{"pretty_name", "Keep Position Y"},
            entt::attribute{"tooltip", "Root position t components are not affected by animation."},
        })
        .data<&root_motion_params::keep_position_xz>("keep_position_xz"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "keep_position_xz"},
            entt::attribute{"pretty_name", "Keep Position XZ"},
            entt::attribute{"tooltip", "Root position x,z components are not affected by animation."},
        })
        .data<&root_motion_params::keep_rotation>("keep_rotation"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "keep_rotation"},
            entt::attribute{"pretty_name", "Keep Rotation"},
            entt::attribute{"tooltip", "Root rotation is not affected by animaation."},
        })
        .data<&root_motion_params::keep_in_place>("keep_in_place"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "keep_in_place"},
            entt::attribute{"pretty_name", "Keep In Place"},
            entt::attribute{"tooltip", "Keep the animation in place even if it has root motion in it."},
        })
        .data<nullptr, &root_motion_params::position_node_name>("position_node_name"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "position_node_name"},
            entt::attribute{"pretty_name", "Root Motion Position Node"},
            entt::attribute{"tooltip", "Transform node that will be used for root motion."},
        })
        .data<nullptr, &root_motion_params::rotation_node_name>("rotation_node_name"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "rotation_node_name"},
            entt::attribute{"pretty_name", "Root Motion Rotation Node"},
            entt::attribute{"tooltip", "Rotation node that will be used for root motion."},
        });
}
 
SERIALIZE(root_motion_params)
{
    try_serialize(ar, ser20::make_nvp("keep_position_y", obj.keep_position_y));
    try_serialize(ar, ser20::make_nvp("keep_position_xz", obj.keep_position_xz));
    try_serialize(ar, ser20::make_nvp("keep_rotation", obj.keep_rotation));
    try_serialize(ar, ser20::make_nvp("keep_in_place", obj.keep_in_place));
 
    try_serialize(ar, ser20::make_nvp("position_node_name", obj.position_node_name));
    try_serialize(ar, ser20::make_nvp("position_node_index", obj.position_node_index));
    try_serialize(ar, ser20::make_nvp("rotation_node_name", obj.rotation_node_name));
    try_serialize(ar, ser20::make_nvp("rotation_node_index", obj.rotation_node_index));
 
}
SERIALIZE_INSTANTIATE(root_motion_params, ser20::oarchive_associative_t);
SERIALIZE_INSTANTIATE(root_motion_params, ser20::oarchive_binary_t);
 
REFLECT(animation_channel)
{
    // Register animation_channel with entt
    entt::meta_factory<animation_channel>{}
        .type("animation_channel"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "animation_channel"},
            entt::attribute{"pretty_name", "Animation Channel"},
        })
        .data<nullptr, &animation_channel::node_name>("node_name"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "node_name"},
            entt::attribute{"pretty_name", "Name"},
        })
        .data<nullptr, &animation_channel::get_position_keys_count>("position_keys_count"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "position_keys_count"},
            entt::attribute{"pretty_name", "Positions"},
        })
        .data<nullptr, &animation_channel::get_rotation_keys_count>("rotation_keys_count"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "rotation_keys_count"},
            entt::attribute{"pretty_name", "Rotations"},
        })
        .data<nullptr, &animation_channel::get_position_keys_count>("scaling_keys_count"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "scaling_keys_count"},
            entt::attribute{"pretty_name", "Scalings"},
        });
}
 
REFLECT(animation_clip)
{
    entt::meta_factory<animation_clip>{}
        .type("animation"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "animation"},
            entt::attribute{"pretty_name", "Animation"},
        })
        .data<nullptr, &animation_clip::name>("name"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "name"},
            entt::attribute{"pretty_name", "Name"},
        })
        .data<nullptr, &animation_clip::duration>("duration"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "duration"},
            entt::attribute{"pretty_name", "Duration"},
        })
        .data<nullptr, &animation_clip::root_motion>("root_motion"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "root_motion"},
            entt::attribute{"pretty_name", "Root Motion"},
        })
        .data<nullptr, &animation_clip::channels>("channels"_hs)
        .custom<entt::attributes>(entt::attributes{
            entt::attribute{"name", "channels"},
            entt::attribute{"pretty_name", "Channels"},
        });
}
 
SAVE(animation_channel)
{
    try_save(ar, ser20::make_nvp("node_name", obj.node_name));
    try_save(ar, ser20::make_nvp("node_index", obj.node_index));
    try_save(ar, ser20::make_nvp("position_keys", obj.position_keys));
    try_save(ar, ser20::make_nvp("rotation_keys", obj.rotation_keys));
    try_save(ar, ser20::make_nvp("scaling_keys", obj.scaling_keys));
}
SAVE_INSTANTIATE(animation_channel, ser20::oarchive_associative_t);
SAVE_INSTANTIATE(animation_channel, ser20::oarchive_binary_t);
 
LOAD(animation_channel)
{
    try_load(ar, ser20::make_nvp("node_name", obj.node_name));
    try_load(ar, ser20::make_nvp("node_index", obj.node_index));
    try_load(ar, ser20::make_nvp("position_keys", obj.position_keys));
    try_load(ar, ser20::make_nvp("rotation_keys", obj.rotation_keys));
    try_load(ar, ser20::make_nvp("scaling_keys", obj.scaling_keys));
}
LOAD_INSTANTIATE(animation_channel, ser20::iarchive_associative_t);
LOAD_INSTANTIATE(animation_channel, ser20::iarchive_binary_t);
 
SAVE(animation_clip)
{
    try_save(ar, ser20::make_nvp("name", obj.name));
    try_save(ar, ser20::make_nvp("duration", obj.duration));
    try_save(ar, ser20::make_nvp("channels", obj.channels));
    try_save(ar, ser20::make_nvp("root_motion", obj.root_motion));
    
    // Changes here should be reflected in ex::get_format_version<animation_clip>() in asset_extensions.h
}
SAVE_INSTANTIATE(animation_clip, ser20::oarchive_associative_t);
SAVE_INSTANTIATE(animation_clip, ser20::oarchive_binary_t);
 
LOAD(animation_clip)
{
    try_load(ar, ser20::make_nvp("name", obj.name));
    try_load(ar, ser20::make_nvp("duration", obj.duration));
    try_load(ar, ser20::make_nvp("channels", obj.channels));
    try_load(ar, ser20::make_nvp("root_motion", obj.root_motion));
    
    // Changes here should be reflected in ex::get_format_version<animation_clip>() in asset_extensions.h
}
LOAD_INSTANTIATE(animation_clip, ser20::iarchive_associative_t);
LOAD_INSTANTIATE(animation_clip, ser20::iarchive_binary_t);
 
void save_to_file(const std::string& absolute_path, const animation_clip& obj)
{
    std::ofstream stream(absolute_path);
    if(stream.good())
    {
        auto ar = ser20::create_oarchive_associative(stream);
        try_save(ar, ser20::make_nvp("animation", obj));
    }
}
 
void save_to_file_bin(const std::string& absolute_path, const animation_clip& obj)
{
    std::ofstream stream(absolute_path, std::ios::binary);
    if(stream.good())
    {
        ser20::oarchive_binary_t ar(stream);
        try_save(ar, ser20::make_nvp("animation", obj));
    }
}
 
void load_from_file(const std::string& absolute_path, animation_clip& obj)
{
    fs::file_istream input(absolute_path);
    if(!input.is_open())
    {
        return;
    }
    auto ar = ser20::create_iarchive_associative(input);
    try_load(ar, ser20::make_nvp("animation", obj));
}
 
void load_from_file_bin(const std::string& absolute_path, animation_clip& obj)
{
    fs::file_istream input(absolute_path, std::ios::binary);
    if(!input.is_open())
    {
        return;
    }
    ser20::iarchive_binary_t ar(input);
    try_load(ar, ser20::make_nvp("animation", obj));
}
} // namespace unravel