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engines/ags/engine/ac/dynobj/cc_serializer.cpp
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140
engines/ags/engine/ac/dynobj/cc_serializer.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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 3 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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ags/shared/util/memory_stream.h"
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#include "ags/engine/ac/dynobj/cc_serializer.h"
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#include "ags/engine/ac/dynobj/all_dynamic_classes.h"
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#include "ags/engine/ac/dynobj/all_script_classes.h"
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#include "ags/engine/ac/dynobj/dynobj_manager.h"
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#include "ags/engine/ac/dynobj/cc_dynamic_array.h"
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#include "ags/engine/ac/dynobj/script_user_object.h"
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#include "ags/engine/ac/dynobj/script_camera.h"
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#include "ags/engine/ac/dynobj/script_containers.h"
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#include "ags/engine/ac/dynobj/script_file.h"
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#include "ags/engine/ac/dynobj/script_viewport.h"
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#include "ags/engine/ac/game.h"
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#include "ags/engine/debugging/debug_log.h"
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#include "ags/plugins/plugin_engine.h"
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#include "ags/globals.h"
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namespace AGS3 {
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using namespace AGS::Shared;
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// *** De-serialization of script objects
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void AGSDeSerializer::Unserialize(int32_t index, const char *objectType, const char *serializedData, int dataSize) {
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if (dataSize < 0) {
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quitprintf("Unserialise: invalid data size (%d) for object type '%s'", dataSize, objectType);
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return; // TODO: don't quit, return error
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}
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// Note that while our builtin classes may accept Stream object,
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// classes registered by plugin cannot, because streams are not (yet)
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// part of the plugin API.
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size_t data_sz = static_cast<size_t>(dataSize);
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assert(data_sz <= INT32_MAX); // dynamic object API does not support size > int32
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MemoryStream mems(reinterpret_cast<const uint8_t *>(serializedData), dataSize);
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// TODO: consider this: there are object types that are part of the
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// script's foundation, because they are created by the bytecode ops:
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// such as DynamicArray and UserObject. *Maybe* these should be moved
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// to certain "base serializer" class which guarantees their restoration.
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//
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// TODO: should we support older save versions here (DynArray, UserObj)?
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// might have to use older class names to distinguish save formats
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if (strcmp(objectType, CCDynamicArray::TypeName) == 0) {
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_GP(globalDynamicArray).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, ScriptUserObject::TypeName) == 0) {
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ScriptUserObject *suo = new ScriptUserObject();
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suo->Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "GUIObject") == 0) {
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_GP(ccDynamicGUIObject).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "Character") == 0) {
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_GP(ccDynamicCharacter).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "Hotspot") == 0) {
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_GP(ccDynamicHotspot).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "Region") == 0) {
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_GP(ccDynamicRegion).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "Inventory") == 0) {
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_GP(ccDynamicInv).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "Dialog") == 0) {
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_GP(ccDynamicDialog).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "GUI") == 0) {
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_GP(ccDynamicGUI).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "Object") == 0) {
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_GP(ccDynamicObject).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "String") == 0) {
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_GP(myScriptStringImpl).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "File") == 0) {
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// files cannot be restored properly -- so just recreate
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// the object; attempting any operations on it will fail
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sc_File *scf = new sc_File();
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ccRegisterUnserializedObject(index, scf, scf);
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} else if (strcmp(objectType, "Overlay") == 0) {
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ScriptOverlay *scf = new ScriptOverlay();
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scf->Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "DateTime") == 0) {
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ScriptDateTime *scf = new ScriptDateTime();
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scf->Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "ViewFrame") == 0) {
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ScriptViewFrame *scf = new ScriptViewFrame();
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scf->Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "DynamicSprite") == 0) {
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ScriptDynamicSprite *scf = new ScriptDynamicSprite();
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scf->Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "DrawingSurface") == 0) {
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ScriptDrawingSurface *sds = new ScriptDrawingSurface();
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sds->Unserialize(index, &mems, data_sz);
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if (sds->isLinkedBitmapOnly) {
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_G(dialogOptionsRenderingSurface) = sds;
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}
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} else if (strcmp(objectType, "DialogOptionsRendering") == 0) {
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_GP(ccDialogOptionsRendering).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "StringDictionary") == 0) {
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Dict_Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "StringSet") == 0) {
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Set_Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "Viewport2") == 0) {
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Viewport_Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "Camera2") == 0) {
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Camera_Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "AudioChannel") == 0) {
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_GP(ccDynamicAudio).Unserialize(index, &mems, data_sz);
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} else if (strcmp(objectType, "AudioClip") == 0) {
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_GP(ccDynamicAudioClip).Unserialize(index, &mems, data_sz);
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} else {
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// check if the type is read by a plugin
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for (const auto &pr : _GP(pluginReaders)) {
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if (pr.Type == objectType) {
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if (dataSize == 0) { // avoid unserializing stubbed plugins
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debug(0, "Skipping %s plugin unserialization (dataSize = 0)", objectType);
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return;
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}
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pr.Reader->Unserialize(index, serializedData, dataSize);
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return;
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}
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}
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quitprintf("Unserialise: unknown object type: '%s'", objectType);
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}
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}
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} // namespace AGS3
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