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godot/scene/resources/animated_texture.cpp
2023-07-14 20:04:21 +02:00

287 lines
9.5 KiB
C++

/**************************************************************************/
/* animated_texture.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "animated_texture.h"
void AnimatedTexture::_update_proxy() {
RWLockRead r(rw_lock);
float delta;
if (prev_ticks == 0) {
delta = 0;
prev_ticks = OS::get_singleton()->get_ticks_usec();
} else {
uint64_t ticks = OS::get_singleton()->get_ticks_usec();
delta = float(double(ticks - prev_ticks) / 1000000.0);
prev_ticks = ticks;
}
time += delta;
float speed = speed_scale == 0 ? 0 : abs(1.0 / speed_scale);
int iter_max = frame_count;
while (iter_max && !pause) {
float frame_limit = frames[current_frame].duration * speed;
if (time > frame_limit) {
if (speed_scale > 0.0) {
current_frame++;
} else {
current_frame--;
}
if (current_frame >= frame_count) {
if (one_shot) {
current_frame = frame_count - 1;
} else {
current_frame = 0;
}
} else if (current_frame < 0) {
if (one_shot) {
current_frame = 0;
} else {
current_frame = frame_count - 1;
}
}
time -= frame_limit;
} else {
break;
}
iter_max--;
}
if (frames[current_frame].texture.is_valid()) {
RenderingServer::get_singleton()->texture_proxy_update(proxy, frames[current_frame].texture->get_rid());
}
}
void AnimatedTexture::set_frames(int p_frames) {
ERR_FAIL_COND(p_frames < 1 || p_frames > MAX_FRAMES);
RWLockWrite r(rw_lock);
frame_count = p_frames;
}
int AnimatedTexture::get_frames() const {
return frame_count;
}
void AnimatedTexture::set_current_frame(int p_frame) {
ERR_FAIL_COND(p_frame < 0 || p_frame >= frame_count);
RWLockWrite r(rw_lock);
current_frame = p_frame;
time = 0;
}
int AnimatedTexture::get_current_frame() const {
return current_frame;
}
void AnimatedTexture::set_pause(bool p_pause) {
RWLockWrite r(rw_lock);
pause = p_pause;
}
bool AnimatedTexture::get_pause() const {
return pause;
}
void AnimatedTexture::set_one_shot(bool p_one_shot) {
RWLockWrite r(rw_lock);
one_shot = p_one_shot;
}
bool AnimatedTexture::get_one_shot() const {
return one_shot;
}
void AnimatedTexture::set_frame_texture(int p_frame, const Ref<Texture2D> &p_texture) {
ERR_FAIL_COND(p_texture == this);
ERR_FAIL_INDEX(p_frame, MAX_FRAMES);
RWLockWrite w(rw_lock);
frames[p_frame].texture = p_texture;
}
Ref<Texture2D> AnimatedTexture::get_frame_texture(int p_frame) const {
ERR_FAIL_INDEX_V(p_frame, MAX_FRAMES, Ref<Texture2D>());
RWLockRead r(rw_lock);
return frames[p_frame].texture;
}
void AnimatedTexture::set_frame_duration(int p_frame, float p_duration) {
ERR_FAIL_INDEX(p_frame, MAX_FRAMES);
RWLockWrite r(rw_lock);
frames[p_frame].duration = p_duration;
}
float AnimatedTexture::get_frame_duration(int p_frame) const {
ERR_FAIL_INDEX_V(p_frame, MAX_FRAMES, 0);
RWLockRead r(rw_lock);
return frames[p_frame].duration;
}
void AnimatedTexture::set_speed_scale(float p_scale) {
ERR_FAIL_COND(p_scale < -1000 || p_scale >= 1000);
RWLockWrite r(rw_lock);
speed_scale = p_scale;
}
float AnimatedTexture::get_speed_scale() const {
return speed_scale;
}
int AnimatedTexture::get_width() const {
RWLockRead r(rw_lock);
if (!frames[current_frame].texture.is_valid()) {
return 1;
}
return frames[current_frame].texture->get_width();
}
int AnimatedTexture::get_height() const {
RWLockRead r(rw_lock);
if (!frames[current_frame].texture.is_valid()) {
return 1;
}
return frames[current_frame].texture->get_height();
}
RID AnimatedTexture::get_rid() const {
return proxy;
}
bool AnimatedTexture::has_alpha() const {
RWLockRead r(rw_lock);
if (!frames[current_frame].texture.is_valid()) {
return false;
}
return frames[current_frame].texture->has_alpha();
}
Ref<Image> AnimatedTexture::get_image() const {
RWLockRead r(rw_lock);
if (!frames[current_frame].texture.is_valid()) {
return Ref<Image>();
}
return frames[current_frame].texture->get_image();
}
bool AnimatedTexture::is_pixel_opaque(int p_x, int p_y) const {
RWLockRead r(rw_lock);
if (frames[current_frame].texture.is_valid()) {
return frames[current_frame].texture->is_pixel_opaque(p_x, p_y);
}
return true;
}
void AnimatedTexture::_validate_property(PropertyInfo &p_property) const {
String prop = p_property.name;
if (prop.begins_with("frame_")) {
int frame = prop.get_slicec('/', 0).get_slicec('_', 1).to_int();
if (frame >= frame_count) {
p_property.usage = PROPERTY_USAGE_NONE;
}
}
}
void AnimatedTexture::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_frames", "frames"), &AnimatedTexture::set_frames);
ClassDB::bind_method(D_METHOD("get_frames"), &AnimatedTexture::get_frames);
ClassDB::bind_method(D_METHOD("set_current_frame", "frame"), &AnimatedTexture::set_current_frame);
ClassDB::bind_method(D_METHOD("get_current_frame"), &AnimatedTexture::get_current_frame);
ClassDB::bind_method(D_METHOD("set_pause", "pause"), &AnimatedTexture::set_pause);
ClassDB::bind_method(D_METHOD("get_pause"), &AnimatedTexture::get_pause);
ClassDB::bind_method(D_METHOD("set_one_shot", "one_shot"), &AnimatedTexture::set_one_shot);
ClassDB::bind_method(D_METHOD("get_one_shot"), &AnimatedTexture::get_one_shot);
ClassDB::bind_method(D_METHOD("set_speed_scale", "scale"), &AnimatedTexture::set_speed_scale);
ClassDB::bind_method(D_METHOD("get_speed_scale"), &AnimatedTexture::get_speed_scale);
ClassDB::bind_method(D_METHOD("set_frame_texture", "frame", "texture"), &AnimatedTexture::set_frame_texture);
ClassDB::bind_method(D_METHOD("get_frame_texture", "frame"), &AnimatedTexture::get_frame_texture);
ClassDB::bind_method(D_METHOD("set_frame_duration", "frame", "duration"), &AnimatedTexture::set_frame_duration);
ClassDB::bind_method(D_METHOD("get_frame_duration", "frame"), &AnimatedTexture::get_frame_duration);
ADD_PROPERTY(PropertyInfo(Variant::INT, "frames", PROPERTY_HINT_RANGE, "1," + itos(MAX_FRAMES), PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_frames", "get_frames");
ADD_PROPERTY(PropertyInfo(Variant::INT, "current_frame", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "set_current_frame", "get_current_frame");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "pause"), "set_pause", "get_pause");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "one_shot"), "set_one_shot", "get_one_shot");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "speed_scale", PROPERTY_HINT_RANGE, "-60,60,0.1,or_less,or_greater"), "set_speed_scale", "get_speed_scale");
for (int i = 0; i < MAX_FRAMES; i++) {
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "frame_" + itos(i) + "/texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_INTERNAL), "set_frame_texture", "get_frame_texture", i);
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "frame_" + itos(i) + "/duration", PROPERTY_HINT_RANGE, "0.0,16.0,0.01,or_greater,suffix:s", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_INTERNAL), "set_frame_duration", "get_frame_duration", i);
}
BIND_CONSTANT(MAX_FRAMES);
}
AnimatedTexture::AnimatedTexture() {
//proxy = RS::get_singleton()->texture_create();
proxy_ph = RS::get_singleton()->texture_2d_placeholder_create();
proxy = RS::get_singleton()->texture_proxy_create(proxy_ph);
RenderingServer::get_singleton()->texture_set_force_redraw_if_visible(proxy, true);
RenderingServer::get_singleton()->connect("frame_pre_draw", callable_mp(this, &AnimatedTexture::_update_proxy));
}
AnimatedTexture::~AnimatedTexture() {
ERR_FAIL_NULL(RenderingServer::get_singleton());
RS::get_singleton()->free(proxy);
RS::get_singleton()->free(proxy_ph);
}