SAGA: Add some const qualifiers to SagaEngine methods

svn-id: r53737

4 files changed, 14 insertions, 15 deletions

diff --git a/engines/saga/detection.cpp b/engines/saga/detection.cpp
index edfafff70a..e43f1ee5c7 100644
--- a/engines/saga/detection.cpp
+++ b/engines/saga/detection.cpp
@@ -56,9 +56,9 @@ struct SAGAGameDescription {
 
 bool SagaEngine::isBigEndian() const { return isMacResources() && getGameId() == GID_ITE; }
 bool SagaEngine::isMacResources() const { return (getPlatform() == Common::kPlatformMacintosh); }
-const GameResourceDescription *SagaEngine::getResourceDescription() { return _gameDescription->resourceDescription; }
+const GameResourceDescription *SagaEngine::getResourceDescription() const { return _gameDescription->resourceDescription; }
 
-const GameFontDescription *SagaEngine::getFontDescription(int index) {
+const GameFontDescription *SagaEngine::getFontDescription(int index) const {
 	assert(index < _gameDescription->fontsCount);
 	return &_gameDescription->fontDescriptions[index];
 }
diff --git a/engines/saga/saga.cpp b/engines/saga/saga.cpp
index e7eac5e4fe..20c2ca2b1b 100644
--- a/engines/saga/saga.cpp
+++ b/engines/saga/saga.cpp
@@ -461,7 +461,7 @@ void SagaEngine::loadStrings(StringsTable &stringsTable, const byte *stringsPoin
 	}
 }
 
-const char *SagaEngine::getObjectName(uint16 objectId) {
+const char *SagaEngine::getObjectName(uint16 objectId) const {
 	ActorData *actor;
 	ObjectData *obj;
 	const HitZone *hitZone;
@@ -616,7 +616,7 @@ void SagaEngine::setTalkspeed(int talkspeed) {
 	ConfMan.setInt("talkspeed", (talkspeed * 255 + 3 / 2) / 3);
 }
 
-int SagaEngine::getTalkspeed() {
+int SagaEngine::getTalkspeed() const {
 	return (ConfMan.getInt("talkspeed") * 3 + 255 / 2) / 255;
 }
 
diff --git a/engines/saga/saga.h b/engines/saga/saga.h
index aa66a06352..f40cbb89a8 100644
--- a/engines/saga/saga.h
+++ b/engines/saga/saga.h
@@ -486,15 +486,14 @@ public:
 
 	void save(const char *fileName, const char *saveName);
 	void load(const char *fileName);
-	uint32 getCurrentLoadVersion() {
+	uint32 getCurrentLoadVersion() const {
 		return _saveHeader.version;
 	}
 	void fillSaveList();
 	char *calcSaveFileName(uint slotNumber);
 
 	SaveFileData *getSaveFile(uint idx);
-	uint getSaveSlotNumber(uint idx);
-	uint getNewSaveSlotNumber();
+	uint getNewSaveSlotNumber() const;
 	bool locateSaveFile(char *saveName, uint &titleNumber);
 	bool isSaveListFull() const {
 		return _saveFilesCount == MAX_SAVES;
@@ -503,7 +502,7 @@ public:
 		return isSaveListFull() ? _saveFilesCount : _saveFilesCount + 1;
 	}
 
-	bool isIHNMDemo() { return _isIHNMDemo; }
+	bool isIHNMDemo() const { return _isIHNMDemo; }
 
 	int16 _framesEsc;
 
@@ -559,12 +558,12 @@ public:
 	const byte *getImagePal(const byte *image_data, size_t image_size);
 	void loadStrings(StringsTable &stringsTable, const byte *stringsPointer, size_t stringsLength);
 
-	const char *getObjectName(uint16 objectId);
+	const char *getObjectName(uint16 objectId) const;
 public:
 	int processInput();
 	Point mousePos() const;
 
-	int getMouseClickCount() {
+	int getMouseClickCount() const {
 		return _mouseClickCount;
 	}
 
@@ -588,7 +587,7 @@ public:
 		return _leftMouseButtonPressed || _rightMouseButtonPressed;
 	}
 
-	inline int ticksToMSec(int tick) {
+	inline int ticksToMSec(int tick) const {
 		if (getGameId() == GID_ITE)
 			return tick * 1000 / kScriptTimeTicksPerSecond;
 		else
@@ -619,9 +618,9 @@ public:
 	bool isBigEndian() const;
 	bool isMacResources() const;
 	bool isSaga2() const { return getGameId() == GID_DINO || getGameId() == GID_FTA2; }
-	const GameResourceDescription *getResourceDescription();
+	const GameResourceDescription *getResourceDescription() const;
 
-	const GameFontDescription *getFontDescription(int index);
+	const GameFontDescription *getFontDescription(int index) const;
 	int getFontsCount() const;
 
 	int getGameId() const;
@@ -650,7 +649,7 @@ private:
 public:
 	ColorId KnownColor2ColorId(KnownColor knownColor);
 	void setTalkspeed(int talkspeed);
-	int getTalkspeed();
+	int getTalkspeed() const;
 };
 
 } // End of namespace Saga
diff --git a/engines/saga/saveload.cpp b/engines/saga/saveload.cpp
index 24acefa910..c5388d6878 100644
--- a/engines/saga/saveload.cpp
+++ b/engines/saga/saveload.cpp
@@ -82,7 +82,7 @@ bool SagaEngine::locateSaveFile(char *saveName, uint &titleNumber) {
 	return false;
 }
 
-uint SagaEngine::getNewSaveSlotNumber() {
+uint SagaEngine::getNewSaveSlotNumber() const {
 	uint i, j;
 	bool found;
 	for (i = 0; i < MAX_SAVES; i++) {