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/*************************************************************************/
/* camera_server.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 "camera_server.h"
#include "rendering_server.h"
#include "servers/camera/camera_feed.h"
////////////////////////////////////////////////////////
// CameraServer
CameraServer::CreateFunc CameraServer::create_func = nullptr;
void CameraServer::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_feed", "index"), &CameraServer::get_feed);
ClassDB::bind_method(D_METHOD("get_feed_count"), &CameraServer::get_feed_count);
ClassDB::bind_method(D_METHOD("feeds"), &CameraServer::get_feeds);
ClassDB::bind_method(D_METHOD("add_feed", "feed"), &CameraServer::add_feed);
ClassDB::bind_method(D_METHOD("remove_feed", "feed"), &CameraServer::remove_feed);
ADD_SIGNAL(MethodInfo("camera_feed_added", PropertyInfo(Variant::INT, "id")));
ADD_SIGNAL(MethodInfo("camera_feed_removed", PropertyInfo(Variant::INT, "id")));
BIND_ENUM_CONSTANT(FEED_RGBA_IMAGE);
BIND_ENUM_CONSTANT(FEED_YCBCR_IMAGE);
BIND_ENUM_CONSTANT(FEED_Y_IMAGE);
BIND_ENUM_CONSTANT(FEED_CBCR_IMAGE);
};
CameraServer *CameraServer::singleton = nullptr;
CameraServer *CameraServer::get_singleton() {
return singleton;
};
int CameraServer::get_free_id() {
bool id_exists = true;
int newid = 0;
// find a free id
while (id_exists) {
newid++;
id_exists = false;
for (int i = 0; i < feeds.size() && !id_exists; i++) {
if (feeds[i]->get_id() == newid) {
id_exists = true;
};
};
};
return newid;
};
int CameraServer::get_feed_index(int p_id) {
for (int i = 0; i < feeds.size(); i++) {
if (feeds[i]->get_id() == p_id) {
return i;
};
};
return -1;
};
Ref<CameraFeed> CameraServer::get_feed_by_id(int p_id) {
int index = get_feed_index(p_id);
if (index == -1) {
return nullptr;
} else {
return feeds[index];
}
};
void CameraServer::add_feed(const Ref<CameraFeed> &p_feed) {
ERR_FAIL_COND(p_feed.is_null());
// add our feed
feeds.push_back(p_feed);
// record for debugging
#ifdef DEBUG_ENABLED
print_line("Registered camera " + p_feed->get_name() + " with id " + itos(p_feed->get_id()) + " position " + itos(p_feed->get_position()) + " at index " + itos(feeds.size() - 1));
#endif
// let whomever is interested know
emit_signal(SNAME("camera_feed_added"), p_feed->get_id());
};
void CameraServer::remove_feed(const Ref<CameraFeed> &p_feed) {
for (int i = 0; i < feeds.size(); i++) {
if (feeds[i] == p_feed) {
int feed_id = p_feed->get_id();
// record for debugging
#ifdef DEBUG_ENABLED
print_line("Removed camera " + p_feed->get_name() + " with id " + itos(feed_id) + " position " + itos(p_feed->get_position()));
#endif
// remove it from our array, if this results in our feed being unreferenced it will be destroyed
feeds.remove_at(i);
// let whomever is interested know
emit_signal(SNAME("camera_feed_removed"), feed_id);
return;
};
};
};
Ref<CameraFeed> CameraServer::get_feed(int p_index) {
ERR_FAIL_INDEX_V(p_index, feeds.size(), nullptr);
return feeds[p_index];
};
int CameraServer::get_feed_count() {
return feeds.size();
};
Array CameraServer::get_feeds() {
Array return_feeds;
int cc = get_feed_count();
return_feeds.resize(cc);
for (int i = 0; i < feeds.size(); i++) {
return_feeds[i] = get_feed(i);
};
return return_feeds;
};
RID CameraServer::feed_texture(int p_id, CameraServer::FeedImage p_texture) {
int index = get_feed_index(p_id);
ERR_FAIL_COND_V(index == -1, RID());
Ref<CameraFeed> feed = get_feed(index);
return feed->get_texture(p_texture);
};
CameraServer::CameraServer() {
singleton = this;
};
CameraServer::~CameraServer() {
singleton = nullptr;
};
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