From eaa972347f42d4e6a5e0e47974ab7d360cdfe44b Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Thu, 15 Aug 2019 23:06:07 +0200
Subject: HDB: Increase number of slots to 99 and support saveload from the GMM

---
 engines/hdb/detection.cpp | 2 +-
 engines/hdb/hdb.h         | 6 ++++--
 engines/hdb/saveload.cpp  | 8 ++++++++
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/engines/hdb/detection.cpp b/engines/hdb/detection.cpp
index 974d831568..5637bf08a5 100644
--- a/engines/hdb/detection.cpp
+++ b/engines/hdb/detection.cpp
@@ -188,7 +188,7 @@ void HDBMetaEngine::removeSaveState(const char *target, int slot) const {
 	g_system->getSavefileManager()->removeSavefile(fileName);
 }
 
-int HDBMetaEngine::getMaximumSaveSlot() const { return 9; }
+int HDBMetaEngine::getMaximumSaveSlot() const { return 99; }
 
 SaveStateList HDBMetaEngine::listSaves(const char *target) const {
 	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
diff --git a/engines/hdb/hdb.h b/engines/hdb/hdb.h
index 3535d452fc..eb3a81886a 100644
--- a/engines/hdb/hdb.h
+++ b/engines/hdb/hdb.h
@@ -195,8 +195,10 @@ public:
 		_changeLevel = true;
 	}
 
-	Common::Error saveGameState(int slot, const Common::String &desc);
-	Common::Error loadGameState(int slot);
+	virtual Common::Error saveGameState(int slot, const Common::String &desc);
+	virtual Common::Error loadGameState(int slot);
+	virtual bool canLoadGameStateCurrently();
+	virtual bool canSaveGameStateCurrently();
 	void saveGame(Common::OutSaveFile *out);
 	void loadGame(Common::InSaveFile *in);
 
diff --git a/engines/hdb/saveload.cpp b/engines/hdb/saveload.cpp
index d53404b075..618d9a9be4 100644
--- a/engines/hdb/saveload.cpp
+++ b/engines/hdb/saveload.cpp
@@ -32,6 +32,10 @@
 
 namespace HDB {
 
+bool HDBGame::canSaveGameStateCurrently() {
+	return (_gameState == GAME_PLAY && !_ai->cinematicsActive());
+}
+
 Common::Error HDBGame::saveGameState(int slot, const Common::String &desc) {
 
 	// If no map is loaded, don't try to save
@@ -79,6 +83,10 @@ Common::Error HDBGame::saveGameState(int slot, const Common::String &desc) {
 	return Common::kNoError;
 }
 
+bool HDBGame::canLoadGameStateCurrently() {
+	return _gameState == GAME_PLAY;
+}
+
 Common::Error HDBGame::loadGameState(int slot) {
 	Common::InSaveFile *in;
 
-- 
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