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godot/scene/animation/animation_player.h

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/*************************************************************************/
/* animation_player.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef ANIMATION_PLAYER_H
#define ANIMATION_PLAYER_H
#include "scene/2d/node_2d.h"
#include "scene/3d/mesh_instance_3d.h"
#include "scene/3d/node_3d.h"
#include "scene/3d/skeleton_3d.h"
#include "scene/resources/animation.h"
#include "scene/resources/animation_library.h"
#ifdef TOOLS_ENABLED
class AnimatedValuesBackup : public RefCounted {
GDCLASS(AnimatedValuesBackup, RefCounted);
struct Entry {
Object *object = nullptr;
Vector<StringName> subpath; // Unused if bone
int bone_idx = -1; // -1 if not a bone
Variant value;
};
Vector<Entry> entries;
friend class AnimationPlayer;
protected:
static void _bind_methods();
public:
void update_skeletons();
void restore() const;
};
#endif
class AnimationPlayer : public Node {
GDCLASS(AnimationPlayer, Node);
public:
enum AnimationProcessCallback {
ANIMATION_PROCESS_PHYSICS,
ANIMATION_PROCESS_IDLE,
ANIMATION_PROCESS_MANUAL,
};
enum AnimationMethodCallMode {
ANIMATION_METHOD_CALL_DEFERRED,
ANIMATION_METHOD_CALL_IMMEDIATE,
};
private:
enum {
NODE_CACHE_UPDATE_MAX = 1024,
BLEND_FROM_MAX = 3
};
enum SpecialProperty {
SP_NONE,
SP_NODE2D_POS,
SP_NODE2D_ROT,
SP_NODE2D_SCALE,
};
uint32_t setup_pass = 1;
struct TrackNodeCache {
NodePath path;
uint32_t id = 0;
Ref<Resource> resource;
Node *node = nullptr;
Node2D *node_2d = nullptr;
#ifndef _3D_DISABLED
Node3D *node_3d = nullptr;
Skeleton3D *skeleton = nullptr;
MeshInstance3D *node_blend_shape = nullptr;
int blend_shape_idx = -1;
#endif // _3D_DISABLED
int bone_idx = -1;
// accumulated transforms
bool loc_used = false;
bool rot_used = false;
bool scale_used = false;
Vector3 loc_accum;
Quaternion rot_accum;
Vector3 scale_accum;
float blend_shape_accum = 0;
uint64_t accum_pass = 0;
bool audio_playing = false;
float audio_start = 0.0;
float audio_len = 0.0;
bool animation_playing = false;
struct PropertyAnim {
TrackNodeCache *owner = nullptr;
SpecialProperty special = SP_NONE; //small optimization
Vector<StringName> subpath;
Object *object = nullptr;
Variant value_accum;
uint64_t accum_pass = 0;
Variant capture;
};
HashMap<StringName, PropertyAnim> property_anim;
struct BezierAnim {
Vector<StringName> bezier_property;
TrackNodeCache *owner = nullptr;
float bezier_accum = 0.0;
Object *object = nullptr;
uint64_t accum_pass = 0;
};
HashMap<StringName, BezierAnim> bezier_anim;
uint32_t last_setup_pass = 0;
TrackNodeCache() {}
};
struct TrackNodeCacheKey {
ObjectID id;
int bone_idx = -1;
int blend_shape_idx = -1;
static uint32_t hash(const TrackNodeCacheKey &p_key) {
uint32_t h = hash_one_uint64(p_key.id);
h = hash_djb2_one_32(p_key.bone_idx, h);
return hash_djb2_one_32(p_key.blend_shape_idx, h);
}
inline bool operator==(const TrackNodeCacheKey &p_right) const {
return id == p_right.id && bone_idx == p_right.bone_idx && blend_shape_idx == p_right.blend_shape_idx;
}
inline bool operator<(const TrackNodeCacheKey &p_right) const {
if (id == p_right.id) {
if (blend_shape_idx == p_right.blend_shape_idx) {
return bone_idx < p_right.bone_idx;
} else {
return blend_shape_idx < p_right.blend_shape_idx;
}
} else {
return id < p_right.id;
}
}
};
HashMap<TrackNodeCacheKey, TrackNodeCache, TrackNodeCacheKey> node_cache_map;
TrackNodeCache *cache_update[NODE_CACHE_UPDATE_MAX];
int cache_update_size = 0;
TrackNodeCache::PropertyAnim *cache_update_prop[NODE_CACHE_UPDATE_MAX];
int cache_update_prop_size = 0;
TrackNodeCache::BezierAnim *cache_update_bezier[NODE_CACHE_UPDATE_MAX];
int cache_update_bezier_size = 0;
HashSet<TrackNodeCache *> playing_caches;
uint64_t accum_pass = 1;
float speed_scale = 1.0;
float default_blend_time = 0.0;
struct AnimationData {
String name;
StringName next;
Vector<TrackNodeCache *> node_cache;
Ref<Animation> animation;
StringName animation_library;
uint64_t last_update = 0;
};
HashMap<StringName, AnimationData> animation_set;
struct AnimationLibraryData {
StringName name;
Ref<AnimationLibrary> library;
bool operator<(const AnimationLibraryData &p_data) const { return name.operator String() < p_data.name.operator String(); }
};
LocalVector<AnimationLibraryData> animation_libraries;
struct BlendKey {
StringName from;
StringName to;
static uint32_t hash(const BlendKey &p_key) {
return hash_one_uint64((uint64_t(p_key.from.hash()) << 32) | uint32_t(p_key.to.hash()));
}
bool operator==(const BlendKey &bk) const {
return from == bk.from && to == bk.to;
}
bool operator<(const BlendKey &bk) const {
if (from == bk.from) {
return to < bk.to;
} else {
return from < bk.from;
}
}
};
HashMap<BlendKey, float, BlendKey> blend_times;
struct PlaybackData {
AnimationData *from = nullptr;
double pos = 0.0;
float speed_scale = 1.0;
};
struct Blend {
PlaybackData data;
float blend_time = 0.0;
float blend_left = 0.0;
};
struct Playback {
List<Blend> blend;
PlaybackData current;
StringName assigned;
bool seeked = false;
bool started = false;
} playback;
List<StringName> queued;
bool end_reached = false;
bool end_notify = false;
String autoplay;
bool reset_on_save = true;
AnimationProcessCallback process_callback = ANIMATION_PROCESS_IDLE;
AnimationMethodCallMode method_call_mode = ANIMATION_METHOD_CALL_DEFERRED;
bool processing = false;
bool active = true;
NodePath root;
void _animation_process_animation(AnimationData *p_anim, double p_time, double p_delta, float p_interp, bool p_is_current = true, bool p_seeked = false, bool p_started = false, int p_pingponged = 0);
void _ensure_node_caches(AnimationData *p_anim, Node *p_root_override = nullptr);
void _animation_process_data(PlaybackData &cd, double p_delta, float p_blend, bool p_seeked, bool p_started);
void _animation_process2(double p_delta, bool p_started);
void _animation_update_transforms();
void _animation_process(double p_delta);
void _node_removed(Node *p_node);
void _stop_playing_caches();
// bind helpers
Vector<String> _get_animation_list() const {
List<StringName> animations;
get_animation_list(&animations);
Vector<String> ret;
while (animations.size()) {
ret.push_back(animations.front()->get());
animations.pop_front();
}
return ret;
}
void _animation_changed();
void _ref_anim(const Ref<Animation> &p_anim);
void _unref_anim(const Ref<Animation> &p_anim);
void _set_process(bool p_process, bool p_force = false);
bool playing = false;
uint64_t animation_set_update_pass = 1;
void _animation_set_cache_update();
void _animation_added(const StringName &p_name, const StringName &p_library);
void _animation_removed(const StringName &p_name, const StringName &p_library);
void _animation_renamed(const StringName &p_name, const StringName &p_to_name, const StringName &p_library);
void _rename_animation(const StringName &p_from_name, const StringName &p_to_name);
TypedArray<StringName> _get_animation_library_list() const;
protected:
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
virtual void _validate_property(PropertyInfo &property) const override;
void _get_property_list(List<PropertyInfo> *p_list) const;
void _notification(int p_what);
static void _bind_methods();
public:
StringName find_animation(const Ref<Animation> &p_animation) const;
StringName find_animation_library(const Ref<Animation> &p_animation) const;
Error add_animation_library(const StringName &p_name, const Ref<AnimationLibrary> &p_animation_library);
void remove_animation_library(const StringName &p_name);
void rename_animation_library(const StringName &p_name, const StringName &p_new_name);
Ref<AnimationLibrary> get_animation_library(const StringName &p_name) const;
void get_animation_library_list(List<StringName> *p_animations) const;
bool has_animation_library(const StringName &p_name) const;
Ref<Animation> get_animation(const StringName &p_name) const;
void get_animation_list(List<StringName> *p_animations) const;
bool has_animation(const StringName &p_name) const;
void set_blend_time(const StringName &p_animation1, const StringName &p_animation2, float p_time);
float get_blend_time(const StringName &p_animation1, const StringName &p_animation2) const;
void animation_set_next(const StringName &p_animation, const StringName &p_next);
StringName animation_get_next(const StringName &p_animation) const;
void set_default_blend_time(float p_default);
float get_default_blend_time() const;
void play(const StringName &p_name = StringName(), float p_custom_blend = -1, float p_custom_scale = 1.0, bool p_from_end = false);
void play_backwards(const StringName &p_name = StringName(), float p_custom_blend = -1);
void queue(const StringName &p_name);
Vector<String> get_queue();
void clear_queue();
void stop(bool p_reset = true);
bool is_playing() const;
String get_current_animation() const;
void set_current_animation(const String &p_anim);
String get_assigned_animation() const;
void set_assigned_animation(const String &p_anim);
void set_active(bool p_active);
bool is_active() const;
bool is_valid() const;
void set_speed_scale(float p_speed);
float get_speed_scale() const;
float get_playing_speed() const;
void set_autoplay(const String &p_name);
String get_autoplay() const;
void set_reset_on_save_enabled(bool p_enabled);
bool is_reset_on_save_enabled() const;
void set_process_callback(AnimationProcessCallback p_mode);
AnimationProcessCallback get_process_callback() const;
void set_method_call_mode(AnimationMethodCallMode p_mode);
AnimationMethodCallMode get_method_call_mode() const;
void seek(double p_time, bool p_update = false);
void seek_delta(double p_time, float p_delta);
float get_current_animation_position() const;
float get_current_animation_length() const;
void advance(float p_time);
void set_root(const NodePath &p_root);
NodePath get_root() const;
void clear_caches(); ///< must be called by hand if an animation was modified after added
void get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const override;
#ifdef TOOLS_ENABLED
Ref<AnimatedValuesBackup> backup_animated_values(Node *p_root_override = nullptr);
Ref<AnimatedValuesBackup> apply_reset(bool p_user_initiated = false);
bool can_apply_reset() const;
#endif
AnimationPlayer();
~AnimationPlayer();
};
VARIANT_ENUM_CAST(AnimationPlayer::AnimationProcessCallback);
VARIANT_ENUM_CAST(AnimationPlayer::AnimationMethodCallMode);
#endif
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