STARK: Add an opcode to check if the inventory is open

engines/stark/resources/command.cpp

@@ -221,6 +221,8 @@ Command *Command::execute(uint32 callMode, Script *script) {
 		return opIsAnimAtTime(_arguments[2].referenceValue, _arguments[3].intValue);
 	case kIsLocation2D:
 		return opIsLocation2D();
+	case kIsInventoryOpen:
+		return opIsInventoryOpen();
 	default:
 		warning("Unimplemented command %d - %s", _subType, _name.c_str());
 		printData();
@@ -1104,6 +1106,12 @@ Command *Command::opIsLocation2D() {
 	return nextCommandIf(!location->has3DLayer());
 }
 
+Command *Command::opIsInventoryOpen() {
+	bool invOpen = StarkUserInterface->isInventoryOpen();
+
+	return nextCommandIf(invOpen);
+}
+
 Command *Command::nextCommand() {
 	assert(!_arguments.empty());
 	assert(_arguments[0].type == Argument::kTypeInteger1);

engines/stark/resources/command.h

@@ -157,7 +157,8 @@ public:
 		kIsItemNearPlace = 183,
 
 		kIsAnimAtTime = 185,
-		kIsLocation2D = 186
+		kIsLocation2D = 186,
+		kIsInventoryOpen = 187
 	};
 
 	struct Argument {
@@ -263,6 +264,7 @@ protected:
 	Command *opIsItemActivity(const ResourceReference &itemRef, int32 value);
 	Command *opIsAnimAtTime(const ResourceReference &animRef, int32 time);
 	Command *opIsLocation2D();
+	Command *opIsInventoryOpen();
 	
 	Common::Array<Argument> _arguments;
 };

engines/stark/services/userinterface.cpp

@@ -164,6 +164,10 @@ bool UserInterface::isInGameScreen() const {
 	return _currentScreen == kScreenGame;
 }
 
+bool UserInterface::isInventoryOpen() const {
+	return _inventoryWindow->isVisible();
+}
+
 void UserInterface::skipFMV() {
 	if (_currentScreen == kScreenFMV) {
 		_fmvPlayer->stop();

engines/stark/services/userinterface.h

@@ -82,6 +82,9 @@ public:
 	/** Is the game screen currently displayed? */
 	bool isInGameScreen() const;
 
+	/** Is the inventory panel being displayed? */
+	bool isInventoryOpen() const;
+
 	/** Can the player interact with the game world? */
 	bool isInteractive() const;