Implement game load with '-x' comman-line parameter.

Fix couple valgrind and compiler warnings.

svn-id: r18313

5 files changed, 19 insertions, 10 deletions

diff --git a/saga/interface.cpp b/saga/interface.cpp
index d19776e5c5..1aeb5ce1f2 100644
--- a/saga/interface.cpp
+++ b/saga/interface.cpp
@@ -202,6 +202,7 @@ Interface::Interface(SagaEngine *vm) : _vm(vm), _initialized(false) {
 	}
 
 	_textInputRepeatPhase = 0;
+	_textInput = false;
 
 	_initialized = true;
 }
diff --git a/saga/saga.cpp b/saga/saga.cpp
index 442645040a..168625dbd1 100644
--- a/saga/saga.cpp
+++ b/saga/saga.cpp
@@ -301,9 +301,19 @@ int SagaEngine::go() {
 
 	_previousTicks = _system->getMillis();
 
-	// Begin Main Engine Loop
+	if (ConfMan.hasKey("save_slot")) {
+		// First scene sets up palette
+		_scene->changeScene(getStartSceneNumber(), 0, kTransitionNoFade);
+		_events->handleEvents(0); // Process immediate events
+
+		char *fileName;
+		fileName = calcSaveFileName(ConfMan.getInt("save_slot"));
+		load(fileName);
+		_interface->setMode(kPanelMain);
+	} else {
+		_scene->startScene();
+	}
 
-	_scene->startScene();
 	uint32 currentTicks;
 
 	while (!_quit) {
diff --git a/saga/saveload.cpp b/saga/saveload.cpp
index f87bcf74d0..8a3e5befe4 100644
--- a/saga/saveload.cpp
+++ b/saga/saveload.cpp
@@ -136,7 +136,7 @@ void SagaEngine::fillSaveList() {
 	while (i < MAX_SAVES) {
 		if (_saveMarks[i]) {
 			name = calcSaveFileName(i);
-			if (in = _saveFileMan->openForLoading(name)) {
+			if ((in = _saveFileMan->openForLoading(name)) != NULL) {
 				in->read(&header, sizeof(header));
 
 				if (header.type != MKID('SAGA')) {
diff --git a/saga/scene.cpp b/saga/scene.cpp
index dab5d998ae..20f02a958a 100644
--- a/saga/scene.cpp
+++ b/saga/scene.cpp
@@ -869,10 +869,8 @@ void Scene::draw() {
 }
 
 void Scene::endScene() {
-
-	if (!_sceneLoaded) {
-		error("Scene::endScene(): No scene to end");
-	}
+	if (!_sceneLoaded)
+		return;
 
 	debug(0, "Ending scene...");
 
diff --git a/saga/sprite.cpp b/saga/sprite.cpp
index 96f0d1c455..255da47cca 100644
--- a/saga/sprite.cpp
+++ b/saga/sprite.cpp
@@ -402,11 +402,11 @@ void Sprite::decodeRLEBuffer(const byte *inputBuffer, size_t inLength, size_t ou
 
 	MemoryReadStream readS(inputBuffer, inLength);
 
-	while (!readS.eos() && (outPointer < outPointerEnd)) {
+	while (!readS.eos() && (outPointer < outPointerEnd - 1)) {
 		bg_runcount = readS.readByte();
 		fg_runcount = readS.readByte();
 
-		for (c = 0; c < bg_runcount; c++) {
+		for (c = 0; c < bg_runcount && !readS.eos(); c++) {
 			*outPointer = (byte) 0;
 			if (outPointer < outPointerEnd)
 				outPointer++;
@@ -414,7 +414,7 @@ void Sprite::decodeRLEBuffer(const byte *inputBuffer, size_t inLength, size_t ou
 				return;
 		}
 
-		for (c = 0; c < fg_runcount; c++) {
+		for (c = 0; c < fg_runcount && !readS.eos(); c++) {
 			*outPointer = readS.readByte();
 			if (outPointer < outPointerEnd)
 				outPointer++;