From bd92f2d00aa8630d896b2a02e0adb23ce22dfe3e Mon Sep 17 00:00:00 2001
From: neuromancer
Date: Sat, 21 Dec 2019 11:49:13 -0300
Subject: SHERLOCK: Enable the use of TTS to read descriptions as a "narrator"
 for The Case of Serrated Scalpel

---
 engines/sherlock/detection.cpp                      | 17 ++++++++++++++++-
 engines/sherlock/detection_tables.h                 | 11 +++++++++--
 engines/sherlock/scalpel/scalpel_user_interface.cpp | 13 +++++++++++++
 engines/sherlock/talk.cpp                           | 14 ++++++++++++++
 4 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/engines/sherlock/detection.cpp b/engines/sherlock/detection.cpp
index e886bfcbe2..b54b7064a4 100644
--- a/engines/sherlock/detection.cpp
+++ b/engines/sherlock/detection.cpp
@@ -62,7 +62,11 @@ static const PlainGameDescriptor sherlockGames[] = {
 #define GAMEOPTION_HELP_STYLE		GUIO_GAMEOPTIONS3
 #define GAMEOPTION_PORTRAITS_ON		GUIO_GAMEOPTIONS4
 #define GAMEOPTION_WINDOW_STYLE		GUIO_GAMEOPTIONS5
-#define GAMEOPTION_TRANSPARENT_WINDOWS		GUIO_GAMEOPTIONS6
+#define GAMEOPTION_TRANSPARENT_WINDOWS	GUIO_GAMEOPTIONS6
+
+#ifdef USE_TTS
+#define GAMEOPTION_TTS_NARRATOR 	GUIO_GAMEOPTIONS7
+#endif
 
 static const ADExtraGuiOptionsMap optionsList[] = {
 	{
@@ -125,6 +129,17 @@ static const ADExtraGuiOptionsMap optionsList[] = {
 		}
 	},
 
+#ifdef USE_TTS
+	{
+		GAMEOPTION_TTS_NARRATOR,
+		{
+			_s("TTS Narrator"),
+			_s("Use TTS to read the descriptions (if TTS is available)"),
+			"tts_narrator",
+			false
+		}
+	},
+#endif
 	AD_EXTRA_GUI_OPTIONS_TERMINATOR
 };
 
diff --git a/engines/sherlock/detection_tables.h b/engines/sherlock/detection_tables.h
index 4867b8d8b6..440363534a 100644
--- a/engines/sherlock/detection_tables.h
+++ b/engines/sherlock/detection_tables.h
@@ -33,8 +33,15 @@ static const SherlockGameDescription gameDescriptions[] = {
 			Common::EN_ANY,
 			Common::kPlatformDOS,
 			ADGF_NO_FLAGS,
-			GUIO6(GUIO_NOSPEECH, GAMEOPTION_ORIGINAL_SAVES, GAMEOPTION_FADE_STYLE, GAMEOPTION_HELP_STYLE,
-				GAMEOPTION_PORTRAITS_ON, GAMEOPTION_WINDOW_STYLE)
+#ifdef USE_TTS
+			GUIO7(GUIO_NOSPEECH, GAMEOPTION_ORIGINAL_SAVES, GAMEOPTION_FADE_STYLE,
+			      GAMEOPTION_HELP_STYLE,
+			      GAMEOPTION_PORTRAITS_ON, GAMEOPTION_WINDOW_STYLE, GAMEOPTION_TTS_NARRATOR)
+#else
+			GUIO6(GUIO_NOSPEECH, GAMEOPTION_ORIGINAL_SAVES, GAMEOPTION_FADE_STYLE,
+			      GAMEOPTION_HELP_STYLE,
+			      GAMEOPTION_PORTRAITS_ON, GAMEOPTION_WINDOW_STYLE)
+#endif
 		},
 		GType_SerratedScalpel,
 	},
diff --git a/engines/sherlock/scalpel/scalpel_user_interface.cpp b/engines/sherlock/scalpel/scalpel_user_interface.cpp
index b39ccbe0c5..20ba4f53fa 100644
--- a/engines/sherlock/scalpel/scalpel_user_interface.cpp
+++ b/engines/sherlock/scalpel/scalpel_user_interface.cpp
@@ -31,6 +31,11 @@
 #include "sherlock/scalpel/settings.h"
 #include "sherlock/scalpel/scalpel.h"
 #include "sherlock/sherlock.h"
+#include "common/config-manager.h"
+
+#ifdef USE_TTS
+#include "common/text-to-speech.h"
+#endif
 
 namespace Sherlock {
 
@@ -2058,6 +2063,14 @@ void ScalpelUserInterface::printObjectDesc(const Common::String &str, bool first
 		screen.slamRect(Common::Rect(0, CONTROLS_Y, SHERLOCK_SCREEN_WIDTH,
 			SHERLOCK_SCREEN_HEIGHT));
 	}
+
+        #ifdef USE_TTS
+	if (ConfMan.getBool("tts_narrator")) {
+            Common::TextToSpeechManager *_ttsMan = g_system->getTextToSpeechManager();
+            _ttsMan->stop();
+            _ttsMan->say(str.c_str());
+	}
+        #endif 
 }
 
 void ScalpelUserInterface::printObjectDesc() {
diff --git a/engines/sherlock/talk.cpp b/engines/sherlock/talk.cpp
index b4987f070a..ec20f807df 100644
--- a/engines/sherlock/talk.cpp
+++ b/engines/sherlock/talk.cpp
@@ -33,6 +33,11 @@
 #include "sherlock/tattoo/tattoo_scene.h"
 #include "sherlock/tattoo/tattoo_talk.h"
 #include "sherlock/tattoo/tattoo_user_interface.h"
+#include "common/config-manager.h"
+
+#ifdef USE_TTS
+#include "common/text-to-speech.h"
+#endif
 
 namespace Sherlock {
 
@@ -351,6 +356,15 @@ void Talk::talkTo(const Common::String filename) {
 
 			// Make a copy of the statement (in case the script frees the statement list), and then execute it
 			Statement statement = _statements[select];
+ 
+                        #ifdef USE_TTS
+			if (_talkTo == -1 && ConfMan.getBool("tts_narrator")) {
+                            Common::TextToSpeechManager *_ttsMan = g_system->getTextToSpeechManager();
+                            _ttsMan->stop();
+                            _ttsMan->say(_statements[select]._reply.c_str());
+	                }
+                        #endif
+
 			doScript(_statements[select]._reply);
 
 			if (IS_ROSE_TATTOO) {
-- 
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