Add key to toggle speech/subtitles

svn-id: r17082

8 files changed, 65 insertions, 5 deletions

diff --git a/doc/05_04.tex b/doc/05_04.tex
index b074d23b77..e238ba53be 100644
--- a/doc/05_04.tex
+++ b/doc/05_04.tex
@@ -31,6 +31,8 @@ Simon games.
     Ctrl 0-9 and Alt 0-9   & Load and save game state\\
     Ctrl-g                 & Runs in really REALLY fast mode\\
     Ctrl-d                 & Starts the debugger\\
+    Ctrl-t                 & Switch been 'Voice only', 'Text and Voice'\\
+                           & and 'Text Display only'\\
     Tilde \verb#~#         & Show/hide the debugging console\\
     Ctrl-s                 & Shows memory consumption\\
     $[$ and $]$                & Music volume, down/up\\
diff --git a/doc/08.tex b/doc/08.tex
index 7c508ca600..a6a17a6b7c 100644
--- a/doc/08.tex
+++ b/doc/08.tex
@@ -77,6 +77,7 @@ The following keywords are recognized:
 \\
         language       &string   Specify language (en, de, fr, it, pt, es, jp,\\
                        &         zh, kr, se, gb, hb, cz, ru)\\
+        speech\_mute    &bool    &If true, speech is muted\\
         subtitles      &bool     Set to true to enable subtitles.\\
         talkspeed      &number   Text speed\\
 \\
@@ -122,14 +123,12 @@ Broken Sword II adds the following non-standard keywords:\\
         object\_labels  &bool    &If true, object labels are enabled\\
         reverse\_stereo &bool    &If true, stereo channels are reversed\\
         sfx\_mute       &bool    &If true, sound effects are muted\\
-        speech\_mute    &bool    &If true, speech is muted\\
 \end{tabular}
 
 Flight of the Amazon Queen adds the following non-standard keywords:\\
 \begin{tabular}[h]{lll}
         music\_mute     &bool    &If true, music is muted\\
         sfx\_mute       &bool    &If true, sound effects are muted\\
-        speech\_mute    &bool    &If true, speech is muted\\
 \end{tabular}
 
 Simon the Sorcerer 1 \& 2 add the following non-standard keywords:\\
@@ -138,6 +137,4 @@ Simon the Sorcerer 1 \& 2 add the following non-standard keywords:\\
         music\_mute     &bool    &If true, music is muted\\
         slow\_down      &number  &Makes games slower (1- 10)\\
         sfx\_mute       &bool    &If true, sound effects are muted\\
-        speech\_mute    &bool    &If true, speech is muted\\
-                        &        &[Simon the Sorcerer 2 only]\\
 \end{tabular}
diff --git a/scumm/dialogs.cpp b/scumm/dialogs.cpp
index 75bfaeb6a7..0b30d45cb5 100644
--- a/scumm/dialogs.cpp
+++ b/scumm/dialogs.cpp
@@ -422,6 +422,7 @@ ConfigDialog::ConfigDialog(ScummEngine *scumm)
 	// Some misc options
 	//
 	subtitlesCheckbox = new GUI::CheckboxWidget(this, 15, 78, 200, 16, "Show subtitles", 0, 'S');
+	speechCheckbox = new GUI::CheckboxWidget(this, 130, 78, 200, 16, "Enable speech", 0, 'E');
 
 	//
 	// Create the sub dialog(s)
@@ -442,6 +443,7 @@ void ConfigDialog::open() {
 
 	// update checkboxes, too
 	subtitlesCheckbox->setState(ConfMan.getBool("subtitles"));
+	speechCheckbox->setState(!ConfMan.getBool("speech_mute"));
 }
 
 void ConfigDialog::close() {
@@ -449,9 +451,15 @@ void ConfigDialog::close() {
 	if (getResult()) {
 		// Subtitles
 		ConfMan.set("subtitles", subtitlesCheckbox->getState(), _domain);
+		ConfMan.set("speech_mute", !subtitlesCheckbox->getState(), _domain);
 		// Sync with current setting
+		if (ConfMan.getBool("speech_mute"))
+			_vm->_voiceMode = 2;
+		else
+			_vm->_voiceMode = ConfMan.getBool("subtitles");
+
 		if (_vm->_version >= 7)
-			_vm->VAR(_vm->VAR_VOICE_MODE) = subtitlesCheckbox->getState();
+			_vm->VAR(_vm->VAR_VOICE_MODE) = _vm->_voiceMode;
 	}
 
 	GUI_OptionsDialog::close();
diff --git a/scumm/dialogs.h b/scumm/dialogs.h
index faf4ad4bdc..158e599fb7 100644
--- a/scumm/dialogs.h
+++ b/scumm/dialogs.h
@@ -117,6 +117,7 @@ public:
 
 protected:
 	GUI::CheckboxWidget *subtitlesCheckbox;
+	GUI::CheckboxWidget *speechCheckbox;
 };
 
 /**
diff --git a/scumm/input.cpp b/scumm/input.cpp
index 5120c0891d..827eb4c50c 100644
--- a/scumm/input.cpp
+++ b/scumm/input.cpp
@@ -25,6 +25,9 @@
 #include "common/config-manager.h"
 #include "common/system.h"
 
+#include "gui/message.h"
+#include "gui/newgui.h"
+
 #include "scumm/debugger.h"
 #include "scumm/dialogs.h"
 #include "scumm/imuse.h"
@@ -337,6 +340,39 @@ void ScummEngine::processKbd(bool smushMode) {
 	}
 #endif
 
+	if (_version >= 6 && _lastKeyHit == 20) {
+		char buf[256];
+
+		_voiceMode++;
+		if (_voiceMode == 3)
+			_voiceMode = 0;
+
+		switch(_voiceMode) {
+		case 0:
+			sprintf(buf, "Speech Only");
+			ConfMan.set("speech_mute", false);
+			ConfMan.set("subtitles", false);
+			break;
+		case 1:
+			sprintf(buf, "Speech and Subtitles");
+			ConfMan.set("speech_mute", false);
+			ConfMan.set("subtitles", true);
+			break;
+		case 2:
+			sprintf(buf, "Subtitles Only");
+			ConfMan.set("speech_mute", true);
+			ConfMan.set("subtitles", true);
+			break;
+		}
+
+		if (_version >= 7)
+			VAR(VAR_VOICE_MODE) = _voiceMode;
+
+		GUI::TimedMessageDialog dialog(buf, 1500);
+		runDialog(dialog);
+		return;
+	}
+
 	if (VAR_RESTART_KEY != 0xFF && _lastKeyHit == VAR(VAR_RESTART_KEY) ||
 	   (((_version <= 2) || (_features & GF_FMTOWNS && _version == 3)) && _lastKeyHit == 8)) {
 		confirmrestartDialog();
diff --git a/scumm/scumm.cpp b/scumm/scumm.cpp
index 508ff7878f..ff270a6760 100644
--- a/scumm/scumm.cpp
+++ b/scumm/scumm.cpp
@@ -829,6 +829,7 @@ ScummEngine::ScummEngine(GameDetector *detector, OSystem *syst, const ScummGameS
 	_copyProtection = false;
 	_demoMode = false;
 	_confirmExit = false;
+	_voiceMode = 0;
 	_talkDelay = 0;
 	_keepText = false;
 	_existLanguageFile = false;
@@ -1024,6 +1025,17 @@ ScummEngine::ScummEngine(GameDetector *detector, OSystem *syst, const ScummGameS
 		if (!ConfMan.hasKey("subtitles"))
 			ConfMan.set("subtitles", !ConfMan.getBool("nosubtitles"));
 	}
+
+	// Make sure that at least subtitles are enabled
+	if (ConfMan.getBool("speech_mute") && !ConfMan.getBool("subtitles"))
+		ConfMan.set("subtitles", 1);
+
+	// TODO Detect subtitle only versions of scumm6 games
+	if (ConfMan.getBool("speech_mute"))
+		_voiceMode = 2;
+	else
+		_voiceMode = ConfMan.getBool("subtitles");
+
 	_confirmExit = ConfMan.getBool("confirm_exit");
 
 	if (ConfMan.hasKey("render_mode")) {
diff --git a/scumm/scumm.h b/scumm/scumm.h
index 44fa8ead0d..41c924f22d 100644
--- a/scumm/scumm.h
+++ b/scumm/scumm.h
@@ -1043,6 +1043,7 @@ public:
 	byte *_shadowPalette;
 	bool _skipDrawObject, _skipProcessActors;
 	int _timers[4];
+	int _voiceMode;
 
 protected:
 	int _shadowPaletteSize;
diff --git a/scumm/sound.cpp b/scumm/sound.cpp
index 23584b6a76..01fdd86ac4 100644
--- a/scumm/sound.cpp
+++ b/scumm/sound.cpp
@@ -989,6 +989,9 @@ void Sound::soundKludge(int *list, int num) {
 }
 
 void Sound::talkSound(uint32 a, uint32 b, int mode, int channel) {
+	if (_vm->_version >= 6 && ConfMan.getBool("speech_mute"))
+		return;
+
 	if (mode == 1) {
 		_talk_sound_a1 = a;
 		_talk_sound_b1 = b;