a7f49ac9a1
Happy new year to the wonderful Godot community! We're starting a new decade with a well-established, non-profit, free and open source game engine, and tons of further improvements in the pipeline from hundreds of contributors. Godot will keep getting better, and we're looking forward to all the games that the community will keep developing and releasing with it.
382 lines
13 KiB
C++
382 lines
13 KiB
C++
/*************************************************************************/
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/* animation.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef ANIMATION_H
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#define ANIMATION_H
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#include "core/resource.h"
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class Animation : public Resource {
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GDCLASS(Animation, Resource);
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RES_BASE_EXTENSION("anim");
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public:
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enum TrackType {
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TYPE_VALUE, ///< Set a value in a property, can be interpolated.
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TYPE_TRANSFORM, ///< Transform a node or a bone.
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TYPE_METHOD, ///< Call any method on a specific node.
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TYPE_BEZIER, ///< Bezier curve
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TYPE_AUDIO,
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TYPE_ANIMATION,
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};
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enum InterpolationType {
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INTERPOLATION_NEAREST,
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INTERPOLATION_LINEAR,
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INTERPOLATION_CUBIC
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};
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enum UpdateMode {
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UPDATE_CONTINUOUS,
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UPDATE_DISCRETE,
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UPDATE_TRIGGER,
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UPDATE_CAPTURE,
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};
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private:
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struct Track {
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TrackType type;
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InterpolationType interpolation;
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bool loop_wrap;
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NodePath path; // path to something
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bool imported;
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bool enabled;
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Track() {
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interpolation = INTERPOLATION_LINEAR;
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imported = false;
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loop_wrap = true;
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enabled = true;
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}
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virtual ~Track() {}
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};
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struct Key {
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float transition;
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float time; // time in secs
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Key() { transition = 1; }
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};
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// transform key holds either Vector3 or Quaternion
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template <class T>
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struct TKey : public Key {
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T value;
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};
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struct TransformKey {
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Vector3 loc;
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Quat rot;
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Vector3 scale;
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};
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/* TRANSFORM TRACK */
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struct TransformTrack : public Track {
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Vector<TKey<TransformKey> > transforms;
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TransformTrack() { type = TYPE_TRANSFORM; }
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};
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/* PROPERTY VALUE TRACK */
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struct ValueTrack : public Track {
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UpdateMode update_mode;
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bool update_on_seek;
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Vector<TKey<Variant> > values;
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ValueTrack() {
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type = TYPE_VALUE;
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update_mode = UPDATE_CONTINUOUS;
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}
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};
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/* METHOD TRACK */
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struct MethodKey : public Key {
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StringName method;
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Vector<Variant> params;
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};
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struct MethodTrack : public Track {
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Vector<MethodKey> methods;
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MethodTrack() { type = TYPE_METHOD; }
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};
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/* BEZIER TRACK */
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struct BezierKey {
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Vector2 in_handle; //relative (x always <0)
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Vector2 out_handle; //relative (x always >0)
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float value;
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};
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struct BezierTrack : public Track {
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Vector<TKey<BezierKey> > values;
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BezierTrack() {
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type = TYPE_BEZIER;
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}
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};
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/* AUDIO TRACK */
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struct AudioKey {
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RES stream;
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float start_offset; //offset from start
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float end_offset; //offset from end, if 0 then full length or infinite
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AudioKey() {
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start_offset = 0;
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end_offset = 0;
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}
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};
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struct AudioTrack : public Track {
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Vector<TKey<AudioKey> > values;
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AudioTrack() {
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type = TYPE_AUDIO;
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}
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};
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/* AUDIO TRACK */
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struct AnimationTrack : public Track {
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Vector<TKey<StringName> > values;
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AnimationTrack() {
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type = TYPE_ANIMATION;
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}
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};
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Vector<Track *> tracks;
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/*
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template<class T>
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int _insert_pos(float p_time, T& p_keys);*/
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template <class T>
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void _clear(T &p_keys);
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template <class T, class V>
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int _insert(float p_time, T &p_keys, const V &p_value);
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template <class K>
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inline int _find(const Vector<K> &p_keys, float p_time) const;
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_FORCE_INLINE_ Animation::TransformKey _interpolate(const Animation::TransformKey &p_a, const Animation::TransformKey &p_b, float p_c) const;
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_FORCE_INLINE_ Vector3 _interpolate(const Vector3 &p_a, const Vector3 &p_b, float p_c) const;
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_FORCE_INLINE_ Quat _interpolate(const Quat &p_a, const Quat &p_b, float p_c) const;
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_FORCE_INLINE_ Variant _interpolate(const Variant &p_a, const Variant &p_b, float p_c) const;
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_FORCE_INLINE_ float _interpolate(const float &p_a, const float &p_b, float p_c) const;
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_FORCE_INLINE_ Animation::TransformKey _cubic_interpolate(const Animation::TransformKey &p_pre_a, const Animation::TransformKey &p_a, const Animation::TransformKey &p_b, const Animation::TransformKey &p_post_b, float p_c) const;
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_FORCE_INLINE_ Vector3 _cubic_interpolate(const Vector3 &p_pre_a, const Vector3 &p_a, const Vector3 &p_b, const Vector3 &p_post_b, float p_c) const;
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_FORCE_INLINE_ Quat _cubic_interpolate(const Quat &p_pre_a, const Quat &p_a, const Quat &p_b, const Quat &p_post_b, float p_c) const;
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_FORCE_INLINE_ Variant _cubic_interpolate(const Variant &p_pre_a, const Variant &p_a, const Variant &p_b, const Variant &p_post_b, float p_c) const;
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_FORCE_INLINE_ float _cubic_interpolate(const float &p_pre_a, const float &p_a, const float &p_b, const float &p_post_b, float p_c) const;
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template <class T>
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_FORCE_INLINE_ T _interpolate(const Vector<TKey<T> > &p_keys, float p_time, InterpolationType p_interp, bool p_loop_wrap, bool *p_ok) const;
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template <class T>
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_FORCE_INLINE_ void _track_get_key_indices_in_range(const Vector<T> &p_array, float from_time, float to_time, List<int> *p_indices) const;
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_FORCE_INLINE_ void _value_track_get_key_indices_in_range(const ValueTrack *vt, float from_time, float to_time, List<int> *p_indices) const;
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_FORCE_INLINE_ void _method_track_get_key_indices_in_range(const MethodTrack *mt, float from_time, float to_time, List<int> *p_indices) const;
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float length;
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float step;
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bool loop;
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// bind helpers
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private:
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Array _transform_track_interpolate(int p_track, float p_time) const {
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Vector3 loc;
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Quat rot;
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Vector3 scale;
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transform_track_interpolate(p_track, p_time, &loc, &rot, &scale);
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Array ret;
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ret.push_back(loc);
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ret.push_back(rot);
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ret.push_back(scale);
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return ret;
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}
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PoolVector<int> _value_track_get_key_indices(int p_track, float p_time, float p_delta) const {
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List<int> idxs;
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value_track_get_key_indices(p_track, p_time, p_delta, &idxs);
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PoolVector<int> idxr;
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for (List<int>::Element *E = idxs.front(); E; E = E->next()) {
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idxr.push_back(E->get());
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}
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return idxr;
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}
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PoolVector<int> _method_track_get_key_indices(int p_track, float p_time, float p_delta) const {
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List<int> idxs;
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method_track_get_key_indices(p_track, p_time, p_delta, &idxs);
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PoolVector<int> idxr;
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for (List<int>::Element *E = idxs.front(); E; E = E->next()) {
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idxr.push_back(E->get());
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}
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return idxr;
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}
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bool _transform_track_optimize_key(const TKey<TransformKey> &t0, const TKey<TransformKey> &t1, const TKey<TransformKey> &t2, float p_alowed_linear_err, float p_alowed_angular_err, float p_max_optimizable_angle, const Vector3 &p_norm);
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void _transform_track_optimize(int p_idx, float p_allowed_linear_err = 0.05, float p_allowed_angular_err = 0.01, float p_max_optimizable_angle = Math_PI * 0.125);
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protected:
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bool _set(const StringName &p_name, const Variant &p_value);
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bool _get(const StringName &p_name, Variant &r_ret) const;
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void _get_property_list(List<PropertyInfo> *p_list) const;
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static void _bind_methods();
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public:
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int add_track(TrackType p_type, int p_at_pos = -1);
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void remove_track(int p_track);
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int get_track_count() const;
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TrackType track_get_type(int p_track) const;
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void track_set_path(int p_track, const NodePath &p_path);
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NodePath track_get_path(int p_track) const;
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int find_track(const NodePath &p_path) const;
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// transform
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void track_move_up(int p_track);
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void track_move_down(int p_track);
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void track_move_to(int p_track, int p_to_index);
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void track_swap(int p_track, int p_with_track);
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void track_set_imported(int p_track, bool p_imported);
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bool track_is_imported(int p_track) const;
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void track_set_enabled(int p_track, bool p_enabled);
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bool track_is_enabled(int p_track) const;
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void track_insert_key(int p_track, float p_time, const Variant &p_key, float p_transition = 1);
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void track_set_key_transition(int p_track, int p_key_idx, float p_transition);
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void track_set_key_value(int p_track, int p_key_idx, const Variant &p_value);
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void track_set_key_time(int p_track, int p_key_idx, float p_time);
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int track_find_key(int p_track, float p_time, bool p_exact = false) const;
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void track_remove_key(int p_track, int p_idx);
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void track_remove_key_at_position(int p_track, float p_pos);
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int track_get_key_count(int p_track) const;
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Variant track_get_key_value(int p_track, int p_key_idx) const;
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float track_get_key_time(int p_track, int p_key_idx) const;
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float track_get_key_transition(int p_track, int p_key_idx) const;
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int transform_track_insert_key(int p_track, float p_time, const Vector3 &p_loc, const Quat &p_rot = Quat(), const Vector3 &p_scale = Vector3());
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Error transform_track_get_key(int p_track, int p_key, Vector3 *r_loc, Quat *r_rot, Vector3 *r_scale) const;
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void track_set_interpolation_type(int p_track, InterpolationType p_interp);
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InterpolationType track_get_interpolation_type(int p_track) const;
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int bezier_track_insert_key(int p_track, float p_time, float p_value, const Vector2 &p_in_handle, const Vector2 &p_out_handle);
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void bezier_track_set_key_value(int p_track, int p_index, float p_value);
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void bezier_track_set_key_in_handle(int p_track, int p_index, const Vector2 &p_handle);
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void bezier_track_set_key_out_handle(int p_track, int p_index, const Vector2 &p_handle);
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float bezier_track_get_key_value(int p_track, int p_index) const;
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Vector2 bezier_track_get_key_in_handle(int p_track, int p_index) const;
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Vector2 bezier_track_get_key_out_handle(int p_track, int p_index) const;
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float bezier_track_interpolate(int p_track, float p_time) const;
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int audio_track_insert_key(int p_track, float p_time, const RES &p_stream, float p_start_offset = 0, float p_end_offset = 0);
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void audio_track_set_key_stream(int p_track, int p_key, const RES &p_stream);
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void audio_track_set_key_start_offset(int p_track, int p_key, float p_offset);
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void audio_track_set_key_end_offset(int p_track, int p_key, float p_offset);
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RES audio_track_get_key_stream(int p_track, int p_key) const;
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float audio_track_get_key_start_offset(int p_track, int p_key) const;
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float audio_track_get_key_end_offset(int p_track, int p_key) const;
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int animation_track_insert_key(int p_track, float p_time, const StringName &p_animation);
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void animation_track_set_key_animation(int p_track, int p_key, const StringName &p_animation);
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StringName animation_track_get_key_animation(int p_track, int p_key) const;
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void track_set_interpolation_loop_wrap(int p_track, bool p_enable);
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bool track_get_interpolation_loop_wrap(int p_track) const;
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Error transform_track_interpolate(int p_track, float p_time, Vector3 *r_loc, Quat *r_rot, Vector3 *r_scale) const;
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Variant value_track_interpolate(int p_track, float p_time) const;
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void value_track_get_key_indices(int p_track, float p_time, float p_delta, List<int> *p_indices) const;
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void value_track_set_update_mode(int p_track, UpdateMode p_mode);
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UpdateMode value_track_get_update_mode(int p_track) const;
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void method_track_get_key_indices(int p_track, float p_time, float p_delta, List<int> *p_indices) const;
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Vector<Variant> method_track_get_params(int p_track, int p_key_idx) const;
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StringName method_track_get_name(int p_track, int p_key_idx) const;
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void copy_track(int p_track, Ref<Animation> p_to_animation);
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void track_get_key_indices_in_range(int p_track, float p_time, float p_delta, List<int> *p_indices) const;
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void set_length(float p_length);
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float get_length() const;
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void set_loop(bool p_enabled);
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bool has_loop() const;
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void set_step(float p_step);
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float get_step() const;
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void clear();
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void optimize(float p_allowed_linear_err = 0.05, float p_allowed_angular_err = 0.01, float p_max_optimizable_angle = Math_PI * 0.125);
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Animation();
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~Animation();
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};
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VARIANT_ENUM_CAST(Animation::TrackType);
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VARIANT_ENUM_CAST(Animation::InterpolationType);
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VARIANT_ENUM_CAST(Animation::UpdateMode);
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#endif
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