godot/scene/resources/sprite_frames.cpp

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/*************************************************************************/
/* sprite_frames.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "sprite_frames.h"
#include "scene/scene_string_names.h"
void SpriteFrames::add_frame(const StringName &p_anim, const Ref<Texture2D> &p_frame, int p_at_pos) {
HashMap<StringName, Anim>::Iterator E = animations.find(p_anim);
ERR_FAIL_COND_MSG(!E, "Animation '" + String(p_anim) + "' doesn't exist.");
if (p_at_pos >= 0 && p_at_pos < E->value.frames.size()) {
E->value.frames.insert(p_at_pos, p_frame);
} else {
E->value.frames.push_back(p_frame);
}
emit_changed();
}
int SpriteFrames::get_frame_count(const StringName &p_anim) const {
HashMap<StringName, Anim>::ConstIterator E = animations.find(p_anim);
ERR_FAIL_COND_V_MSG(!E, 0, "Animation '" + String(p_anim) + "' doesn't exist.");
return E->value.frames.size();
}
void SpriteFrames::remove_frame(const StringName &p_anim, int p_idx) {
HashMap<StringName, Anim>::Iterator E = animations.find(p_anim);
ERR_FAIL_COND_MSG(!E, "Animation '" + String(p_anim) + "' doesn't exist.");
E->value.frames.remove_at(p_idx);
emit_changed();
}
void SpriteFrames::clear(const StringName &p_anim) {
HashMap<StringName, Anim>::Iterator E = animations.find(p_anim);
ERR_FAIL_COND_MSG(!E, "Animation '" + String(p_anim) + "' doesn't exist.");
E->value.frames.clear();
emit_changed();
}
void SpriteFrames::clear_all() {
animations.clear();
add_animation("default");
}
void SpriteFrames::add_animation(const StringName &p_anim) {
ERR_FAIL_COND_MSG(animations.has(p_anim), "SpriteFrames already has animation '" + p_anim + "'.");
animations[p_anim] = Anim();
}
bool SpriteFrames::has_animation(const StringName &p_anim) const {
return animations.has(p_anim);
}
void SpriteFrames::remove_animation(const StringName &p_anim) {
animations.erase(p_anim);
}
void SpriteFrames::rename_animation(const StringName &p_prev, const StringName &p_next) {
ERR_FAIL_COND_MSG(!animations.has(p_prev), "SpriteFrames doesn't have animation '" + String(p_prev) + "'.");
ERR_FAIL_COND_MSG(animations.has(p_next), "Animation '" + String(p_next) + "' already exists.");
Anim anim = animations[p_prev];
animations.erase(p_prev);
animations[p_next] = anim;
}
void SpriteFrames::get_animation_list(List<StringName> *r_animations) const {
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for (const KeyValue<StringName, Anim> &E : animations) {
r_animations->push_back(E.key);
}
}
Vector<String> SpriteFrames::get_animation_names() const {
Vector<String> names;
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for (const KeyValue<StringName, Anim> &E : animations) {
names.push_back(E.key);
}
names.sort();
return names;
}
void SpriteFrames::set_animation_speed(const StringName &p_anim, double p_fps) {
ERR_FAIL_COND_MSG(p_fps < 0, "Animation speed cannot be negative (" + itos(p_fps) + ").");
HashMap<StringName, Anim>::Iterator E = animations.find(p_anim);
ERR_FAIL_COND_MSG(!E, "Animation '" + String(p_anim) + "' doesn't exist.");
E->value.speed = p_fps;
}
double SpriteFrames::get_animation_speed(const StringName &p_anim) const {
HashMap<StringName, Anim>::ConstIterator E = animations.find(p_anim);
ERR_FAIL_COND_V_MSG(!E, 0, "Animation '" + String(p_anim) + "' doesn't exist.");
return E->value.speed;
}
void SpriteFrames::set_animation_loop(const StringName &p_anim, bool p_loop) {
HashMap<StringName, Anim>::Iterator E = animations.find(p_anim);
ERR_FAIL_COND_MSG(!E, "Animation '" + String(p_anim) + "' doesn't exist.");
E->value.loop = p_loop;
}
bool SpriteFrames::get_animation_loop(const StringName &p_anim) const {
HashMap<StringName, Anim>::ConstIterator E = animations.find(p_anim);
ERR_FAIL_COND_V_MSG(!E, false, "Animation '" + String(p_anim) + "' doesn't exist.");
return E->value.loop;
}
Array SpriteFrames::_get_animations() const {
Array anims;
List<StringName> sorted_names;
get_animation_list(&sorted_names);
sorted_names.sort_custom<StringName::AlphCompare>();
for (const StringName &anim_name : sorted_names) {
const Anim &anim = animations[anim_name];
Dictionary d;
d["name"] = anim_name;
d["speed"] = anim.speed;
d["loop"] = anim.loop;
Array frames;
for (int i = 0; i < anim.frames.size(); i++) {
frames.push_back(anim.frames[i]);
}
d["frames"] = frames;
anims.push_back(d);
}
return anims;
}
void SpriteFrames::_set_animations(const Array &p_animations) {
animations.clear();
for (int i = 0; i < p_animations.size(); i++) {
Dictionary d = p_animations[i];
ERR_CONTINUE(!d.has("name"));
ERR_CONTINUE(!d.has("speed"));
ERR_CONTINUE(!d.has("loop"));
ERR_CONTINUE(!d.has("frames"));
Anim anim;
anim.speed = d["speed"];
anim.loop = d["loop"];
Array frames = d["frames"];
for (int j = 0; j < frames.size(); j++) {
Ref<Resource> res = frames[j];
anim.frames.push_back(res);
}
animations[d["name"]] = anim;
}
}
void SpriteFrames::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_animation", "anim"), &SpriteFrames::add_animation);
ClassDB::bind_method(D_METHOD("has_animation", "anim"), &SpriteFrames::has_animation);
ClassDB::bind_method(D_METHOD("remove_animation", "anim"), &SpriteFrames::remove_animation);
ClassDB::bind_method(D_METHOD("rename_animation", "anim", "newname"), &SpriteFrames::rename_animation);
ClassDB::bind_method(D_METHOD("get_animation_names"), &SpriteFrames::get_animation_names);
ClassDB::bind_method(D_METHOD("set_animation_speed", "anim", "speed"), &SpriteFrames::set_animation_speed);
ClassDB::bind_method(D_METHOD("get_animation_speed", "anim"), &SpriteFrames::get_animation_speed);
ClassDB::bind_method(D_METHOD("set_animation_loop", "anim", "loop"), &SpriteFrames::set_animation_loop);
ClassDB::bind_method(D_METHOD("get_animation_loop", "anim"), &SpriteFrames::get_animation_loop);
ClassDB::bind_method(D_METHOD("add_frame", "anim", "frame", "at_position"), &SpriteFrames::add_frame, DEFVAL(-1));
ClassDB::bind_method(D_METHOD("get_frame_count", "anim"), &SpriteFrames::get_frame_count);
ClassDB::bind_method(D_METHOD("get_frame", "anim", "idx"), &SpriteFrames::get_frame);
ClassDB::bind_method(D_METHOD("set_frame", "anim", "idx", "txt"), &SpriteFrames::set_frame);
ClassDB::bind_method(D_METHOD("remove_frame", "anim", "idx"), &SpriteFrames::remove_frame);
ClassDB::bind_method(D_METHOD("clear", "anim"), &SpriteFrames::clear);
ClassDB::bind_method(D_METHOD("clear_all"), &SpriteFrames::clear_all);
// `animations` property is for serialization.
ClassDB::bind_method(D_METHOD("_set_animations", "animations"), &SpriteFrames::_set_animations);
ClassDB::bind_method(D_METHOD("_get_animations"), &SpriteFrames::_get_animations);
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "animations", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "_set_animations", "_get_animations");
}
SpriteFrames::SpriteFrames() {
add_animation(SceneStringNames::get_singleton()->_default);
}