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Moved some state handling code into WorldState, sort of, most of it s…
…till just goes into the global Squirrel VM
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,165 @@ | ||
| // SuperTux | ||
| // Copyright (C) 2006 Matthias Braun <matze@braunis.de> | ||
| // 2014 Ingo Ruhnke <grumbel@gmx.de> | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| #include "supertux/world_state.hpp" | ||
|
|
||
| #include "lisp/lisp.hpp" | ||
| #include "lisp/parser.hpp" | ||
| #include "lisp/writer.hpp" | ||
| #include "physfs/ifile_streambuf.hpp" | ||
| #include "scripting/serialize.hpp" | ||
| #include "scripting/squirrel_util.hpp" | ||
| #include "supertux/player_status.hpp" | ||
| #include "util/file_system.hpp" | ||
| #include "util/log.hpp" | ||
| #include "worldmap/worldmap.hpp" | ||
|
|
||
| WorldState::WorldState() : | ||
| m_player_status(new PlayerStatus) | ||
| { | ||
| } | ||
|
|
||
| void | ||
| WorldState::load(const std::string& filename) | ||
| { | ||
| if(!PHYSFS_exists(filename.c_str())) | ||
| { | ||
| log_info << filename << ": doesn't exist, not loading state" << std::endl; | ||
| } | ||
| else | ||
| { | ||
| try | ||
| { | ||
| HSQUIRRELVM vm = scripting::global_vm; | ||
|
|
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| lisp::Parser parser; | ||
| const lisp::Lisp* root = parser.parse(filename); | ||
|
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| const lisp::Lisp* lisp = root->get_lisp("supertux-savegame"); | ||
| if(lisp == NULL) | ||
| { | ||
| throw std::runtime_error("file is not a supertux-savegame file"); | ||
| } | ||
| else | ||
| { | ||
| int version = 1; | ||
| lisp->get("version", version); | ||
| if(version != 1) | ||
| { | ||
| throw std::runtime_error("incompatible savegame version"); | ||
| } | ||
| else | ||
| { | ||
| const lisp::Lisp* tux = lisp->get_lisp("tux"); | ||
| if(tux == NULL) | ||
| { | ||
| throw std::runtime_error("No tux section in savegame"); | ||
| } | ||
| { | ||
| m_player_status->read(*tux); | ||
| } | ||
|
|
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| const lisp::Lisp* state = lisp->get_lisp("state"); | ||
| if(state == NULL) | ||
| { | ||
| throw std::runtime_error("No state section in savegame"); | ||
| } | ||
| else | ||
| { | ||
| sq_pushroottable(vm); | ||
| sq_pushstring(vm, "state", -1); | ||
| if(SQ_FAILED(sq_deleteslot(vm, -2, SQFalse))) | ||
| sq_pop(vm, 1); | ||
|
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| sq_pushstring(vm, "state", -1); | ||
| sq_newtable(vm); | ||
| scripting::load_squirrel_table(vm, -1, *state); | ||
| if(SQ_FAILED(sq_createslot(vm, -3))) | ||
| throw std::runtime_error("Couldn't create state table"); | ||
| sq_pop(vm, 1); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| catch(const std::exception& e) | ||
| { | ||
| log_fatal << "Couldn't load savegame: " << e.what() << std::endl; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| void | ||
| WorldState::save(const std::string& filename) | ||
| { | ||
| { // make sure the savegame directory exists | ||
| std::string dirname = FileSystem::dirname(filename); | ||
| if(!PHYSFS_exists(dirname.c_str())) | ||
| { | ||
| if(!PHYSFS_mkdir(dirname.c_str())) | ||
| { | ||
| std::ostringstream msg; | ||
| msg << "Couldn't create directory for savegames '" | ||
| << dirname << "': " <<PHYSFS_getLastError(); | ||
| throw std::runtime_error(msg.str()); | ||
| } | ||
| } | ||
|
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| if(!PHYSFS_isDirectory(dirname.c_str())) | ||
| { | ||
| std::ostringstream msg; | ||
| msg << "Savegame path '" << dirname << "' is not a directory"; | ||
| throw std::runtime_error(msg.str()); | ||
| } | ||
| } | ||
|
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| HSQUIRRELVM vm = scripting::global_vm; | ||
|
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| lisp::Writer writer(filename); | ||
|
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| writer.start_list("supertux-savegame"); | ||
| writer.write("version", 1); | ||
|
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| using namespace worldmap; | ||
| if(WorldMap::current() != NULL) | ||
| { | ||
| std::ostringstream title; | ||
| title << WorldMap::current()->get_title(); | ||
| title << " (" << WorldMap::current()->solved_level_count() | ||
| << "/" << WorldMap::current()->level_count() << ")"; | ||
| writer.write("title", title.str()); | ||
| } | ||
|
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| writer.start_list("tux"); | ||
| m_player_status->write(writer); | ||
| writer.end_list("tux"); | ||
|
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| writer.start_list("state"); | ||
|
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| sq_pushroottable(vm); | ||
| sq_pushstring(vm, "state", -1); | ||
| if(SQ_SUCCEEDED(sq_get(vm, -2))) | ||
| { | ||
| scripting::save_squirrel_table(vm, -1, writer); | ||
| sq_pop(vm, 1); | ||
| } | ||
| sq_pop(vm, 1); | ||
| writer.end_list("state"); | ||
|
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| writer.end_list("supertux-savegame"); | ||
| } | ||
|
|
||
| /* EOF */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // SuperTux | ||
| // Copyright (C) 2006 Matthias Braun <matze@braunis.de> | ||
| // 2014 Ingo Ruhnke <grumbel@gmx.de> | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| #ifndef HEADER_SUPERTUX_SUPERTUX_WORLD_STATE_HPP | ||
| #define HEADER_SUPERTUX_SUPERTUX_WORLD_STATE_HPP | ||
|
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| #include <string> | ||
| #include <memory> | ||
|
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| class PlayerStatus; | ||
|
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| class WorldState | ||
| { | ||
| private: | ||
| std::unique_ptr<PlayerStatus> m_player_status; | ||
|
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| public: | ||
| WorldState(); | ||
|
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| PlayerStatus* get_player_status() const { return m_player_status.get(); } | ||
|
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| void save(const std::string& filename); | ||
| void load(const std::string& filename); | ||
|
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| private: | ||
| WorldState(const WorldState&) = delete; | ||
| WorldState& operator=(const WorldState&) = delete; | ||
| }; | ||
|
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| #endif | ||
|
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| /* EOF */ |