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116 lines
2.8 KiB
C++
116 lines
2.8 KiB
C++
/*
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Minetest
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Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
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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 Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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/******************************************************************/
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/* may only be included by emerge.cpp or emerge scripting related */
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/******************************************************************/
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#include "emerge.h"
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#include <queue>
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#include "util/thread.h"
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#include "threading/event.h"
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class Server;
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class ServerMap;
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class Mapgen;
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class EmergeManager;
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class EmergeScripting;
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class EmergeThread : public Thread {
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public:
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bool enable_mapgen_debug_info;
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int id;
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EmergeThread(Server *server, int ethreadid);
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~EmergeThread() = default;
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void *run();
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void signal();
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// Requires queue mutex held
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bool pushBlock(const v3s16 &pos);
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void cancelPendingItems();
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EmergeManager *getEmergeManager() { return m_emerge; }
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Mapgen *getMapgen() { return m_mapgen; }
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protected:
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void runCompletionCallbacks(
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const v3s16 &pos, EmergeAction action,
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const EmergeCallbackList &callbacks);
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private:
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Server *m_server;
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ServerMap *m_map;
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EmergeManager *m_emerge;
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Mapgen *m_mapgen;
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std::unique_ptr<EmergeScripting> m_script;
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// read from scripting:
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UniqueQueue<v3s16> *m_trans_liquid; //< non-null only when generating a mapblock
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Event m_queue_event;
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std::queue<v3s16> m_block_queue;
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bool initScripting();
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bool popBlockEmerge(v3s16 *pos, BlockEmergeData *bedata);
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EmergeAction getBlockOrStartGen(
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const v3s16 &pos, bool allow_gen, MapBlock **block, BlockMakeData *data);
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MapBlock *finishGen(v3s16 pos, BlockMakeData *bmdata,
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std::map<v3s16, MapBlock *> *modified_blocks);
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friend class EmergeManager;
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friend class EmergeScripting;
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friend class ModApiMapgen;
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};
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// Scoped helper to set Server::m_ignore_map_edit_events_area
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class MapEditEventAreaIgnorer
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{
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public:
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MapEditEventAreaIgnorer(VoxelArea *ignorevariable, const VoxelArea &a):
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m_ignorevariable(ignorevariable)
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{
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if (m_ignorevariable->getVolume() == 0)
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*m_ignorevariable = a;
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else
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m_ignorevariable = nullptr;
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}
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~MapEditEventAreaIgnorer()
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{
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if (m_ignorevariable) {
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assert(m_ignorevariable->getVolume() != 0);
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*m_ignorevariable = VoxelArea();
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}
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}
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private:
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VoxelArea *m_ignorevariable;
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};
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