MOHAWK: Use ScummVM GUI fonts for the cstime demo

The demo is now playable without using fonts from the full game

engines/mohawk/cstime_ui.cpp

@@ -29,6 +29,7 @@
 #include "mohawk/resource.h"
 #include "common/algorithm.h" // find
 #include "common/events.h"
+#include "graphics/fontman.h"
 
 namespace Mohawk {
 
@@ -64,12 +65,15 @@ CSTimeInterface::CSTimeInterface(MohawkEngine_CSTime *vm) : _vm(vm) {
 	_note = new CSTimeCarmenNote(_vm);
 	_options = new CSTimeOptions(_vm);
 
-	if (!_normalFont.loadFromFON("EvP14.fon"))
-		error("failed to load normal font");
-	if (!_dialogFont.loadFromFON("Int1212.fon"))
-		error("failed to load dialog font");
-	if (!_rolloverFont.loadFromFON("Int1818.fon"))
-		error("failed to load rollover font");
+	// The demo uses hardcoded system fonts
+	if (!(_vm->getFeatures() & GF_DEMO)) {
+		if (!_normalFont.loadFromFON("EvP14.fon"))
+			error("failed to load normal font");
+		if (!_dialogFont.loadFromFON("Int1212.fon"))
+			error("failed to load dialog font");
+		if (!_rolloverFont.loadFromFON("Int1818.fon"))
+			error("failed to load rollover font");
+	}
 
 	_uiFeature = NULL;
 	_dialogTextFeature = NULL;
@@ -91,6 +95,30 @@ CSTimeInterface::~CSTimeInterface() {
 	delete _options;
 }
 
+const Graphics::Font &CSTimeInterface::getNormalFont() const {
+	// HACK: Use a ScummVM GUI font in place of a system one for the demo
+	if (_vm->getFeatures() & GF_DEMO)
+		return *FontMan.getFontByUsage(Graphics::FontManager::kGUIFont);
+
+	return _normalFont;
+}
+
+const Graphics::Font &CSTimeInterface::getDialogFont() const {
+	// HACK: Use a ScummVM GUI font in place of a system one for the demo
+	if (_vm->getFeatures() & GF_DEMO)
+		return *FontMan.getFontByUsage(Graphics::FontManager::kGUIFont);
+
+	return _dialogFont;
+}
+
+const Graphics::Font &CSTimeInterface::getRolloverFont() const {
+	// HACK: Use a ScummVM GUI font in place of a system one for the demo
+	if (_vm->getFeatures() & GF_DEMO)
+		return *FontMan.getFontByUsage(Graphics::FontManager::kBigGUIFont);
+
+	return _rolloverFont;
+}
+
 void CSTimeInterface::cursorInstall() {
 	_vm->getView()->loadBitmapCursors(200);
 }

engines/mohawk/cstime_ui.h

@@ -233,9 +233,9 @@ class CSTimeInterface {
 	const Common::Array<Common::String> &getDialogLines() { return _dialogLines; }
 	const Common::Array<byte> &getDialogLineColors() { return _dialogLineColors; }
 
-	const Graphics::WinFont &getNormalFont() { return _normalFont; }
-	const Graphics::WinFont &getDialogFont() { return _dialogFont; }
-	const Graphics::WinFont &getRolloverFont() { return _rolloverFont; }
+	const Graphics::Font &getNormalFont() const;
+	const Graphics::Font &getDialogFont() const;
+	const Graphics::Font &getRolloverFont() const;
 
 	Common::Rect _sceneRect, _uiRect;
 	Common::Rect _dialogTextRect, _bookRect, _noteRect;

engines/mohawk/cstime_view.cpp

@@ -537,7 +537,7 @@ void CSTimeModule::dialogTextDrawProc(Feature *feature) {
 	const Common::Array<Common::String> &lines = _vm->getInterface()->getDialogLines();
 	const Common::Array<byte> &colors = _vm->getInterface()->getDialogLineColors();
 	const Common::Rect &bounds = feature->_data.bounds;
-	const Graphics::WinFont &font = _vm->getInterface()->getDialogFont();
+	const Graphics::Font &font = _vm->getInterface()->getDialogFont();
 
 	Graphics::Surface *screen = _vm->_system->lockScreen();
 	for (uint i = 0; i < lines.size(); i++)
@@ -553,7 +553,7 @@ void CSTimeModule::bubbleTextMoveProc(Feature *feature) {
 void CSTimeModule::bubbleTextDrawProc(Feature *feature) {
 	Common::Rect bounds = feature->_data.bounds;
 	bounds.grow(-5);
-	const Graphics::WinFont &font = _vm->getInterface()->getDialogFont();
+	const Graphics::Font &font = _vm->getInterface()->getDialogFont();
 	uint height = font.getFontHeight();
 
 	Common::Array<Common::String> lines;