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Diffstat (limited to 'engines/scumm/saveload.cpp')
-rw-r--r--engines/scumm/saveload.cpp143
1 files changed, 64 insertions, 79 deletions
diff --git a/engines/scumm/saveload.cpp b/engines/scumm/saveload.cpp
index 3453e53a18..848e288589 100644
--- a/engines/scumm/saveload.cpp
+++ b/engines/scumm/saveload.cpp
@@ -30,7 +30,7 @@
#include "scumm/charset.h"
#include "scumm/imuse_digi/dimuse.h"
#include "scumm/imuse/imuse.h"
-#include "scumm/player_towns.h"
+#include "scumm/players/player_towns.h"
#include "scumm/he/intern_he.h"
#include "scumm/object.h"
#include "scumm/resource.h"
@@ -148,7 +148,17 @@ void ScummEngine::requestLoad(int slot) {
_saveLoadFlag = 2; // 2 for load
}
-static bool saveSaveGameHeader(Common::OutSaveFile *out, SaveGameHeader &hdr) {
+Common::SeekableReadStream *ScummEngine::openSaveFileForReading(int slot, bool compat, Common::String &fileName) {
+ fileName = makeSavegameName(slot, compat);
+ return _saveFileMan->openForLoading(fileName);
+}
+
+Common::WriteStream *ScummEngine::openSaveFileForWriting(int slot, bool compat, Common::String &fileName) {
+ fileName = makeSavegameName(slot, compat);
+ return _saveFileMan->openForSaving(fileName);
+}
+
+static bool saveSaveGameHeader(Common::WriteStream *out, SaveGameHeader &hdr) {
hdr.type = MKTAG('S','C','V','M');
hdr.size = 0;
hdr.ver = CURRENT_VER;
@@ -160,7 +170,7 @@ static bool saveSaveGameHeader(Common::OutSaveFile *out, SaveGameHeader &hdr) {
return true;
}
-bool ScummEngine::saveState(Common::OutSaveFile *out, bool writeHeader) {
+bool ScummEngine::saveState(Common::WriteStream *out, bool writeHeader) {
SaveGameHeader hdr;
if (writeHeader) {
@@ -177,20 +187,13 @@ bool ScummEngine::saveState(Common::OutSaveFile *out, bool writeHeader) {
return true;
}
-bool ScummEngine::saveState(int slot, bool compat) {
+bool ScummEngine::saveState(int slot, bool compat, Common::String &filename) {
bool saveFailed;
- Common::String filename;
- Common::OutSaveFile *out;
pauseEngine(true);
- if (_saveLoadSlot == 255) {
- // Allow custom filenames for save game system in HE Games
- filename = _saveLoadFileName;
- } else {
- filename = makeSavegameName(slot, compat);
- }
- if (!(out = _saveFileMan->openForSaving(filename)))
+ Common::WriteStream *out = openSaveFileForWriting(slot, compat, filename);
+ if (!out)
return false;
saveFailed = false;
@@ -307,18 +310,17 @@ static bool loadSaveGameHeader(Common::SeekableReadStream *in, SaveGameHeader &h
}
bool ScummEngine::loadState(int slot, bool compat) {
+ // Wrapper around the other variant
Common::String filename;
- Common::SeekableReadStream *in;
+ return loadState(slot, compat, filename);
+}
+
+bool ScummEngine::loadState(int slot, bool compat, Common::String &filename) {
SaveGameHeader hdr;
int sb, sh;
- if (_saveLoadSlot == 255) {
- // Allow custom filenames for save game system in HE Games
- filename = _saveLoadFileName;
- } else {
- filename = makeSavegameName(slot, compat);
- }
- if (!(in = _saveFileMan->openForLoading(filename)))
+ Common::SeekableReadStream *in = openSaveFileForReading(slot, compat, filename);
+ if (!in)
return false;
if (!loadSaveGameHeader(in, hdr)) {
@@ -634,100 +636,83 @@ bool ScummEngine::getSavegameName(int slot, Common::String &desc) {
return result;
}
-bool getSavegameName(Common::InSaveFile *in, Common::String &desc, int heversion) {
- SaveGameHeader hdr;
-
+namespace {
+bool loadAndCheckSaveGameHeader(Common::InSaveFile *in, int heversion, SaveGameHeader &hdr, Common::String *error = nullptr) {
if (!loadSaveGameHeader(in, hdr)) {
- desc = "Invalid savegame";
+ if (error) {
+ *error = "Invalid savegame";
+ }
return false;
}
- if (hdr.ver > CURRENT_VER)
+ if (hdr.ver > CURRENT_VER) {
hdr.ver = TO_LE_32(hdr.ver);
+ }
+
if (hdr.ver < VER(7) || hdr.ver > CURRENT_VER) {
- desc = "Invalid version";
+ if (error) {
+ *error = "Invalid version";
+ }
return false;
}
// We (deliberately) broke HE savegame compatibility at some point.
if (hdr.ver < VER(57) && heversion >= 60) {
- desc = "Unsupported version";
+ if (error) {
+ *error = "Unsupported version";
+ }
return false;
}
hdr.name[sizeof(hdr.name) - 1] = 0;
- desc = hdr.name;
return true;
}
+} // End of anonymous namespace
-Graphics::Surface *ScummEngine::loadThumbnailFromSlot(const char *target, int slot) {
- Common::SeekableReadStream *in;
+bool getSavegameName(Common::InSaveFile *in, Common::String &desc, int heversion) {
SaveGameHeader hdr;
- if (slot < 0)
- return 0;
-
- Common::String filename = ScummEngine::makeSavegameName(target, slot, false);
- if (!(in = g_system->getSavefileManager()->openForLoading(filename))) {
- return 0;
- }
-
- if (!loadSaveGameHeader(in, hdr)) {
- delete in;
- return 0;
+ if (!loadAndCheckSaveGameHeader(in, heversion, hdr, &desc)) {
+ return false;
}
- if (hdr.ver > CURRENT_VER)
- hdr.ver = TO_LE_32(hdr.ver);
- if (hdr.ver < VER(52)) {
- delete in;
- return 0;
- }
+ desc = hdr.name;
+ return true;
+}
- Graphics::Surface *thumb = 0;
- if (Graphics::checkThumbnailHeader(*in)) {
- thumb = Graphics::loadThumbnail(*in);
+bool ScummEngine::querySaveMetaInfos(const char *target, int slot, int heversion, Common::String &desc, Graphics::Surface *&thumbnail, SaveStateMetaInfos *&timeInfos) {
+ if (slot < 0) {
+ return false;
}
- delete in;
- return thumb;
-}
-
-bool ScummEngine::loadInfosFromSlot(const char *target, int slot, SaveStateMetaInfos *stuff) {
- Common::SeekableReadStream *in;
SaveGameHeader hdr;
+ const Common::String filename = ScummEngine::makeSavegameName(target, slot, false);
+ Common::ScopedPtr<Common::SeekableReadStream> in(g_system->getSavefileManager()->openForLoading(filename));
- if (slot < 0)
- return 0;
-
- Common::String filename = makeSavegameName(target, slot, false);
- if (!(in = g_system->getSavefileManager()->openForLoading(filename))) {
+ if (!in) {
return false;
}
- if (!loadSaveGameHeader(in, hdr)) {
- delete in;
+ if (!loadAndCheckSaveGameHeader(in.get(), heversion, hdr)) {
return false;
}
- if (hdr.ver > CURRENT_VER)
- hdr.ver = TO_LE_32(hdr.ver);
- if (hdr.ver < VER(56)) {
- delete in;
- return false;
- }
+ desc = hdr.name;
- if (!Graphics::skipThumbnail(*in)) {
- delete in;
- return false;
- }
+ if (hdr.ver > VER(52)) {
+ if (Graphics::checkThumbnailHeader(*in)) {
+ thumbnail = Graphics::loadThumbnail(*in);
+ }
- if (!loadInfos(in, stuff)) {
- delete in;
- return false;
+ if (hdr.ver > VER(57)) {
+ if (!loadInfos(in.get(), timeInfos)) {
+ return false;
+ }
+ } else {
+ timeInfos = nullptr;
+ }
}
- delete in;
return true;
}
@@ -781,7 +766,7 @@ bool ScummEngine::loadInfos(Common::SeekableReadStream *file, SaveStateMetaInfos
return true;
}
-void ScummEngine::saveInfos(Common::WriteStream* file) {
+void ScummEngine::saveInfos(Common::WriteStream *file) {
SaveInfoSection section;
section.type = MKTAG('I','N','F','O');
section.version = INFOSECTION_VERSION;