77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2018 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "obs-tools.hpp"
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#include <map>
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struct scs_searchdata {
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obs_source_t* source;
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bool found = false;
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std::map<obs_source_t*, bool> visited;
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};
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static bool scs_contains(scs_searchdata& sd, obs_source_t* source);
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static void scs_enum_active_cb(obs_source_t* , obs_source_t* child, void* searchdata)
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{
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scs_searchdata& sd = reinterpret_cast<scs_searchdata&>(*reinterpret_cast<scs_searchdata*>(searchdata));
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scs_contains(sd, child);
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}
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static bool scs_enum_items_cb(obs_scene_t* , obs_sceneitem_t* item, void* searchdata)
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{
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scs_searchdata& sd = reinterpret_cast<scs_searchdata&>(*reinterpret_cast<scs_searchdata*>(searchdata));
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obs_source_t* source = obs_sceneitem_get_source(item);
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return scs_contains(sd, source);
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}
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static bool scs_contains(scs_searchdata& sd, obs_source_t* source)
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{
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if (sd.visited.find(source) != sd.visited.end()) {
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return false;
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} else {
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sd.visited.insert({source, true});
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}
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if (source == sd.source) {
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sd.found = true;
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return true;
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} else {
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if (strcmp(obs_source_get_id(source), "scene")) {
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obs_scene_t* nscene = obs_scene_from_source(source);
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obs_scene_enum_items(nscene, scs_enum_items_cb, &sd);
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} else {
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obs_source_enum_active_sources(source, scs_enum_active_cb, &sd);
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}
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}
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if (sd.found) {
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return false;
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}
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return true;
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}
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bool obs::tools::scene_contains_source(obs_scene_t* scene, obs_source_t* source)
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{
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scs_searchdata sd;
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sd.source = source;
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obs_scene_enum_items(scene, scs_enum_items_cb, &sd);
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return sd.found;
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}
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