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ENGINES: METAENGINE: Shift save/load related content to MetaEngineConnect

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- These include various functions and functionalities related to save/load.
- These are shifted, because the MEC class will house things that can be dynamic in nature.
- The MetaEngine class is fully & only dependent on ScummVM code, so it can always be built into executable.
This commit is contained in:
aryanrawlani28 2020-08-03 04:01:16 +05:30 • committed by Eugene Sandulenko
parent ce80c0c730
commit 01efb65931
2 changed files with 103 additions and 104 deletions
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28
engines/metaengine.cpp
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@ -37,7 +37,7 @@
#include "graphics/managed_surface.h"
#include "graphics/thumbnail.h"
Common::String MetaEngine::getSavegameFile(int saveGameIdx, const char *target) const {
Common::String MetaEngineConnect::getSavegameFile(int saveGameIdx, const char *target) const {
if (saveGameIdx == kSavegameFilePattern) {
// Pattern requested
const char *pattern = hasFeature(kSavesUseExtendedFormat) ? "%s.###" : "%s.s##";
@ -128,7 +128,7 @@ Common::KeymapArray MetaEngine::initKeymaps(const char *target) const {
return Keymap::arrayOf(engineKeyMap);
}
bool MetaEngine::hasFeature(MetaEngineFeature f) const {
bool MetaEngineConnect::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsDeleteSave) ||
@ -140,7 +140,7 @@ bool MetaEngine::hasFeature(MetaEngineFeature f) const {
(f == kSavesUseExtendedFormat);
}
void MetaEngine::appendExtendedSave(Common::OutSaveFile *saveFile, uint32 playtime,
void MetaEngineConnect::appendExtendedSave(Common::OutSaveFile *saveFile, uint32 playtime,
Common::String desc, bool isAutosave) {
ExtendedSavegameHeader header;
@ -172,7 +172,7 @@ void MetaEngine::appendExtendedSave(Common::OutSaveFile *saveFile, uint32 playti
saveFile->finalize();
}
void MetaEngine::saveScreenThumbnail(Common::OutSaveFile *saveFile) {
void MetaEngineConnect::saveScreenThumbnail(Common::OutSaveFile *saveFile) {
// Create a thumbnail surface from the screen
Graphics::Surface thumb;
::createThumbnailFromScreen(&thumb);
@ -182,7 +182,7 @@ void MetaEngine::saveScreenThumbnail(Common::OutSaveFile *saveFile) {
thumb.free();
}
void MetaEngine::parseSavegameHeader(ExtendedSavegameHeader *header, SaveStateDescriptor *desc) {
void MetaEngineConnect::parseSavegameHeader(ExtendedSavegameHeader *header, SaveStateDescriptor *desc) {
int day = (header->date >> 24) & 0xFF;
int month = (header->date >> 16) & 0xFF;
int year = header->date & 0xFFFF;
@ -195,14 +195,14 @@ void MetaEngine::parseSavegameHeader(ExtendedSavegameHeader *header, SaveStateDe
desc->setDescription(header->description);
}
void MetaEngine::fillDummyHeader(ExtendedSavegameHeader *header) {
void MetaEngineConnect::fillDummyHeader(ExtendedSavegameHeader *header) {
// This is wrong header, perhaps it is original savegame. Thus fill out dummy values
header->date = (20 << 24) | (9 << 16) | 2016;
header->time = (9 << 8) | 56;
header->playtime = 0;
}
WARN_UNUSED_RESULT bool MetaEngine::readSavegameHeader(Common::InSaveFile *in, ExtendedSavegameHeader *header, bool skipThumbnail) {
WARN_UNUSED_RESULT bool MetaEngineConnect::readSavegameHeader(Common::InSaveFile *in, ExtendedSavegameHeader *header, bool skipThumbnail) {
uint oldPos = in->pos();
in->seek(-4, SEEK_END);
@ -260,11 +260,11 @@ WARN_UNUSED_RESULT bool MetaEngine::readSavegameHeader(Common::InSaveFile *in, E
}
///////////////////////////////////////
// MetaEngine default implementations
///////////////////////////////////////
//////////////////////////////////////////////
// MetaEngineConnect default implementations
//////////////////////////////////////////////
SaveStateList MetaEngine::listSaves(const char *target) const {
SaveStateList MetaEngineConnect::listSaves(const char *target) const {
if (!hasFeature(kSavesUseExtendedFormat))
return SaveStateList();
@ -305,7 +305,7 @@ SaveStateList MetaEngine::listSaves(const char *target) const {
return saveList;
}
SaveStateList MetaEngine::listSaves(const char *target, bool saveMode) const {
SaveStateList MetaEngineConnect::listSaves(const char *target, bool saveMode) const {
SaveStateList saveList = listSaves(target);
int autosaveSlot = ConfMan.getInt("autosave_period") ? getAutosaveSlot() : -1;
if (!saveMode || autosaveSlot == -1)
@ -354,14 +354,14 @@ GUI::OptionsContainerWidget *MetaEngine::buildEngineOptionsWidget(GUI::GuiObject
return new GUI::ExtraGuiOptionsWidget(boss, name, target, engineOptions);
}
void MetaEngine::removeSaveState(const char *target, int slot) const {
void MetaEngineConnect::removeSaveState(const char *target, int slot) const {
if (!hasFeature(kSavesUseExtendedFormat))
return;
g_system->getSavefileManager()->removeSavefile(getSavegameFile(slot, target));
}
SaveStateDescriptor MetaEngine::querySaveMetaInfos(const char *target, int slot) const {
SaveStateDescriptor MetaEngineConnect::querySaveMetaInfos(const char *target, int slot) const {
if (!hasFeature(kSavesUseExtendedFormat))
return SaveStateDescriptor();