444 lines
14 KiB
C++
444 lines
14 KiB
C++
/**************************************************************************/
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/* animation_blend_tree.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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_BLEND_TREE_H
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#define ANIMATION_BLEND_TREE_H
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#include "scene/animation/animation_tree.h"
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class AnimationNodeAnimation : public AnimationRootNode {
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GDCLASS(AnimationNodeAnimation, AnimationRootNode);
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StringName animation;
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StringName time = "time";
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uint64_t last_version = 0;
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bool skip = false;
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public:
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enum PlayMode {
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PLAY_MODE_FORWARD,
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PLAY_MODE_BACKWARD
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};
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void get_parameter_list(List<PropertyInfo> *r_list) const override;
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static Vector<String> (*get_editable_animation_list)();
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virtual String get_caption() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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void set_animation(const StringName &p_name);
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StringName get_animation() const;
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void set_play_mode(PlayMode p_play_mode);
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PlayMode get_play_mode() const;
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void set_backward(bool p_backward);
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bool is_backward() const;
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AnimationNodeAnimation();
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protected:
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void _validate_property(PropertyInfo &p_property) const;
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static void _bind_methods();
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private:
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PlayMode play_mode = PLAY_MODE_FORWARD;
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bool backward = false; // Only used by pingpong animation.
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};
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VARIANT_ENUM_CAST(AnimationNodeAnimation::PlayMode)
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class AnimationNodeSync : public AnimationNode {
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GDCLASS(AnimationNodeSync, AnimationNode);
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protected:
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bool sync = false;
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static void _bind_methods();
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public:
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void set_use_sync(bool p_sync);
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bool is_using_sync() const;
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AnimationNodeSync();
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};
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class AnimationNodeOneShot : public AnimationNodeSync {
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GDCLASS(AnimationNodeOneShot, AnimationNodeSync);
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public:
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enum OneShotRequest {
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ONE_SHOT_REQUEST_NONE,
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ONE_SHOT_REQUEST_FIRE,
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ONE_SHOT_REQUEST_ABORT,
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ONE_SHOT_REQUEST_FADE_OUT,
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};
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enum MixMode {
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MIX_MODE_BLEND,
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MIX_MODE_ADD
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};
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private:
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double fade_in = 0.0;
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Ref<Curve> fade_in_curve;
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double fade_out = 0.0;
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Ref<Curve> fade_out_curve;
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bool auto_restart = false;
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double auto_restart_delay = 1.0;
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double auto_restart_random_delay = 0.0;
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MixMode mix = MIX_MODE_BLEND;
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StringName request = PNAME("request");
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StringName active = PNAME("active");
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StringName internal_active = PNAME("internal_active");
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StringName time = "time";
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StringName remaining = "remaining";
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StringName fade_out_remaining = "fade_out_remaining";
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StringName time_to_restart = "time_to_restart";
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protected:
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static void _bind_methods();
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public:
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virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
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virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
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virtual bool is_parameter_read_only(const StringName &p_parameter) const override;
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virtual String get_caption() const override;
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void set_fade_in_time(double p_time);
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double get_fade_in_time() const;
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void set_fade_in_curve(const Ref<Curve> &p_curve);
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Ref<Curve> get_fade_in_curve() const;
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void set_fade_out_time(double p_time);
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double get_fade_out_time() const;
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void set_fade_out_curve(const Ref<Curve> &p_curve);
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Ref<Curve> get_fade_out_curve() const;
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void set_auto_restart_enabled(bool p_enabled);
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void set_auto_restart_delay(double p_time);
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void set_auto_restart_random_delay(double p_time);
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bool is_auto_restart_enabled() const;
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double get_auto_restart_delay() const;
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double get_auto_restart_random_delay() const;
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void set_mix_mode(MixMode p_mix);
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MixMode get_mix_mode() const;
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virtual bool has_filter() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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AnimationNodeOneShot();
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};
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VARIANT_ENUM_CAST(AnimationNodeOneShot::OneShotRequest)
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VARIANT_ENUM_CAST(AnimationNodeOneShot::MixMode)
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class AnimationNodeAdd2 : public AnimationNodeSync {
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GDCLASS(AnimationNodeAdd2, AnimationNodeSync);
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StringName add_amount = PNAME("add_amount");
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protected:
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static void _bind_methods();
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public:
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void get_parameter_list(List<PropertyInfo> *r_list) const override;
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virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
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virtual String get_caption() const override;
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virtual bool has_filter() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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AnimationNodeAdd2();
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};
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class AnimationNodeAdd3 : public AnimationNodeSync {
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GDCLASS(AnimationNodeAdd3, AnimationNodeSync);
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StringName add_amount = PNAME("add_amount");
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protected:
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static void _bind_methods();
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public:
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void get_parameter_list(List<PropertyInfo> *r_list) const override;
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virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
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virtual String get_caption() const override;
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virtual bool has_filter() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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AnimationNodeAdd3();
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};
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class AnimationNodeBlend2 : public AnimationNodeSync {
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GDCLASS(AnimationNodeBlend2, AnimationNodeSync);
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StringName blend_amount = PNAME("blend_amount");
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protected:
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static void _bind_methods();
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public:
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virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
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virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
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virtual String get_caption() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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virtual bool has_filter() const override;
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AnimationNodeBlend2();
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};
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class AnimationNodeBlend3 : public AnimationNodeSync {
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GDCLASS(AnimationNodeBlend3, AnimationNodeSync);
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StringName blend_amount = PNAME("blend_amount");
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protected:
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static void _bind_methods();
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public:
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virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
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virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
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virtual String get_caption() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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AnimationNodeBlend3();
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};
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class AnimationNodeTimeScale : public AnimationNode {
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GDCLASS(AnimationNodeTimeScale, AnimationNode);
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StringName scale = PNAME("scale");
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protected:
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static void _bind_methods();
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public:
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virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
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virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
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virtual String get_caption() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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AnimationNodeTimeScale();
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};
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class AnimationNodeTimeSeek : public AnimationNode {
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GDCLASS(AnimationNodeTimeSeek, AnimationNode);
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StringName seek_pos_request = PNAME("seek_request");
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protected:
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static void _bind_methods();
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public:
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virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
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virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
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virtual String get_caption() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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AnimationNodeTimeSeek();
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};
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class AnimationNodeTransition : public AnimationNodeSync {
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GDCLASS(AnimationNodeTransition, AnimationNodeSync);
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struct InputData {
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bool auto_advance = false;
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bool reset = true;
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};
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Vector<InputData> input_data;
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StringName time = "time";
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StringName prev_xfading = "prev_xfading";
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StringName prev_index = "prev_index";
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StringName current_index = PNAME("current_index");
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StringName current_state = PNAME("current_state");
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StringName transition_request = PNAME("transition_request");
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StringName prev_frame_current = "pf_current";
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StringName prev_frame_current_idx = "pf_current_idx";
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double xfade_time = 0.0;
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Ref<Curve> xfade_curve;
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bool allow_transition_to_self = false;
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bool pending_update = false;
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protected:
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bool _get(const StringName &p_path, Variant &r_ret) const;
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bool _set(const StringName &p_path, const Variant &p_value);
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static void _bind_methods();
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void _get_property_list(List<PropertyInfo> *p_list) const;
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public:
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virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
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virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
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virtual bool is_parameter_read_only(const StringName &p_parameter) const override;
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virtual String get_caption() const override;
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void set_input_count(int p_inputs);
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virtual bool add_input(const String &p_name) override;
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virtual void remove_input(int p_index) override;
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virtual bool set_input_name(int p_input, const String &p_name) override;
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void set_input_as_auto_advance(int p_input, bool p_enable);
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bool is_input_set_as_auto_advance(int p_input) const;
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void set_input_reset(int p_input, bool p_enable);
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bool is_input_reset(int p_input) const;
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void set_xfade_time(double p_fade);
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double get_xfade_time() const;
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void set_xfade_curve(const Ref<Curve> &p_curve);
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Ref<Curve> get_xfade_curve() const;
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void set_allow_transition_to_self(bool p_enable);
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bool is_allow_transition_to_self() const;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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AnimationNodeTransition();
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};
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class AnimationNodeOutput : public AnimationNode {
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GDCLASS(AnimationNodeOutput, AnimationNode);
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public:
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virtual String get_caption() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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AnimationNodeOutput();
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};
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/////
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class AnimationNodeBlendTree : public AnimationRootNode {
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GDCLASS(AnimationNodeBlendTree, AnimationRootNode);
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struct Node {
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Ref<AnimationNode> node;
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Vector2 position;
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Vector<StringName> connections;
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};
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HashMap<StringName, Node> nodes;
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Vector2 graph_offset;
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void _node_changed(const StringName &p_node);
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void _initialize_node_tree();
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protected:
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static void _bind_methods();
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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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virtual void _tree_changed() override;
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virtual void _animation_node_renamed(const ObjectID &p_oid, const String &p_old_name, const String &p_new_name) override;
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virtual void _animation_node_removed(const ObjectID &p_oid, const StringName &p_node) override;
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virtual void reset_state() override;
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public:
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enum ConnectionError {
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CONNECTION_OK,
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CONNECTION_ERROR_NO_INPUT,
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CONNECTION_ERROR_NO_INPUT_INDEX,
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CONNECTION_ERROR_NO_OUTPUT,
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CONNECTION_ERROR_SAME_NODE,
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CONNECTION_ERROR_CONNECTION_EXISTS,
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//no need to check for cycles due to tree topology
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};
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void add_node(const StringName &p_name, Ref<AnimationNode> p_node, const Vector2 &p_position = Vector2());
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Ref<AnimationNode> get_node(const StringName &p_name) const;
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void remove_node(const StringName &p_name);
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void rename_node(const StringName &p_name, const StringName &p_new_name);
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bool has_node(const StringName &p_name) const;
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StringName get_node_name(const Ref<AnimationNode> &p_node) const;
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Vector<StringName> get_node_connection_array(const StringName &p_name) const;
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void set_node_position(const StringName &p_node, const Vector2 &p_position);
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Vector2 get_node_position(const StringName &p_node) const;
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virtual void get_child_nodes(List<ChildNode> *r_child_nodes) override;
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void connect_node(const StringName &p_input_node, int p_input_index, const StringName &p_output_node);
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void disconnect_node(const StringName &p_node, int p_input_index);
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struct NodeConnection {
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StringName input_node;
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int input_index = 0;
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StringName output_node;
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};
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ConnectionError can_connect_node(const StringName &p_input_node, int p_input_index, const StringName &p_output_node) const;
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void get_node_connections(List<NodeConnection> *r_connections) const;
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virtual String get_caption() const override;
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virtual double _process(double p_time, bool p_seek, bool p_is_external_seeking, bool p_test_only = false) override;
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void get_node_list(List<StringName> *r_list);
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void set_graph_offset(const Vector2 &p_graph_offset);
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Vector2 get_graph_offset() const;
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virtual Ref<AnimationNode> get_child_by_name(const StringName &p_name) const override;
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AnimationNodeBlendTree();
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~AnimationNodeBlendTree();
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};
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VARIANT_ENUM_CAST(AnimationNodeBlendTree::ConnectionError)
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#endif // ANIMATION_BLEND_TREE_H
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