mirror of
https://github.com/godotengine/godot
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175 lines
5.7 KiB
C++
175 lines
5.7 KiB
C++
/*************************************************************************/
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/* camera_server.cpp */
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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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 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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#include "camera_server.h"
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#include "core/variant/typed_array.h"
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#include "rendering_server.h"
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#include "servers/camera/camera_feed.h"
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////////////////////////////////////////////////////////
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// CameraServer
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CameraServer::CreateFunc CameraServer::create_func = nullptr;
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void CameraServer::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_feed", "index"), &CameraServer::get_feed);
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ClassDB::bind_method(D_METHOD("get_feed_count"), &CameraServer::get_feed_count);
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ClassDB::bind_method(D_METHOD("feeds"), &CameraServer::get_feeds);
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ClassDB::bind_method(D_METHOD("add_feed", "feed"), &CameraServer::add_feed);
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ClassDB::bind_method(D_METHOD("remove_feed", "feed"), &CameraServer::remove_feed);
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ADD_SIGNAL(MethodInfo("camera_feed_added", PropertyInfo(Variant::INT, "id")));
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ADD_SIGNAL(MethodInfo("camera_feed_removed", PropertyInfo(Variant::INT, "id")));
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BIND_ENUM_CONSTANT(FEED_RGBA_IMAGE);
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BIND_ENUM_CONSTANT(FEED_YCBCR_IMAGE);
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BIND_ENUM_CONSTANT(FEED_Y_IMAGE);
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BIND_ENUM_CONSTANT(FEED_CBCR_IMAGE);
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};
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CameraServer *CameraServer::singleton = nullptr;
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CameraServer *CameraServer::get_singleton() {
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return singleton;
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};
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int CameraServer::get_free_id() {
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bool id_exists = true;
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int newid = 0;
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// find a free id
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while (id_exists) {
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newid++;
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id_exists = false;
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for (int i = 0; i < feeds.size() && !id_exists; i++) {
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if (feeds[i]->get_id() == newid) {
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id_exists = true;
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};
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};
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};
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return newid;
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};
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int CameraServer::get_feed_index(int p_id) {
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for (int i = 0; i < feeds.size(); i++) {
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if (feeds[i]->get_id() == p_id) {
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return i;
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};
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};
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return -1;
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};
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Ref<CameraFeed> CameraServer::get_feed_by_id(int p_id) {
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int index = get_feed_index(p_id);
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if (index == -1) {
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return nullptr;
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} else {
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return feeds[index];
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}
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};
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void CameraServer::add_feed(const Ref<CameraFeed> &p_feed) {
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ERR_FAIL_COND(p_feed.is_null());
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// add our feed
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feeds.push_back(p_feed);
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// record for debugging
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#ifdef DEBUG_ENABLED
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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));
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#endif
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// let whomever is interested know
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emit_signal(SNAME("camera_feed_added"), p_feed->get_id());
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};
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void CameraServer::remove_feed(const Ref<CameraFeed> &p_feed) {
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for (int i = 0; i < feeds.size(); i++) {
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if (feeds[i] == p_feed) {
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int feed_id = p_feed->get_id();
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// record for debugging
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#ifdef DEBUG_ENABLED
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print_line("Removed camera " + p_feed->get_name() + " with id " + itos(feed_id) + " position " + itos(p_feed->get_position()));
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#endif
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// remove it from our array, if this results in our feed being unreferenced it will be destroyed
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feeds.remove_at(i);
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// let whomever is interested know
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emit_signal(SNAME("camera_feed_removed"), feed_id);
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return;
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};
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};
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};
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Ref<CameraFeed> CameraServer::get_feed(int p_index) {
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ERR_FAIL_INDEX_V(p_index, feeds.size(), nullptr);
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return feeds[p_index];
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};
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int CameraServer::get_feed_count() {
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return feeds.size();
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};
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TypedArray<CameraFeed> CameraServer::get_feeds() {
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TypedArray<CameraFeed> return_feeds;
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int cc = get_feed_count();
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return_feeds.resize(cc);
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for (int i = 0; i < feeds.size(); i++) {
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return_feeds[i] = get_feed(i);
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};
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return return_feeds;
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};
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RID CameraServer::feed_texture(int p_id, CameraServer::FeedImage p_texture) {
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int index = get_feed_index(p_id);
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ERR_FAIL_COND_V(index == -1, RID());
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Ref<CameraFeed> feed = get_feed(index);
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return feed->get_texture(p_texture);
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};
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CameraServer::CameraServer() {
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singleton = this;
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};
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CameraServer::~CameraServer() {
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singleton = nullptr;
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};
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