Implemented fast modes: CTRL-f for double and CTRL-g for triple speed

Though I think it shouldn't break anything, use it at your own risk

svn-id: r26461

4 files changed, 22 insertions, 5 deletions

diff --git a/engines/gob/global.cpp b/engines/gob/global.cpp
index 73e08112e8..82903ee5f8 100644
--- a/engines/gob/global.cpp
+++ b/engines/gob/global.cpp
@@ -125,6 +125,8 @@ Global::Global(GobEngine *vm) : _vm(vm) {
 
 	_inter_mouseX = 0;
 	_inter_mouseY = 0;
+
+	_speedFactor = 1;
 }
 
 Global::~Global() {
diff --git a/engines/gob/global.h b/engines/gob/global.h
index 68defd41e8..089fcbadac 100644
--- a/engines/gob/global.h
+++ b/engines/gob/global.h
@@ -125,6 +125,9 @@ public:
 	int16 _inter_mouseX;
 	int16 _inter_mouseY;
 
+	// Can be 1, 2 or 3 for normal, double and triple speed, respectively
+	uint8 _speedFactor;
+
 	void clearVars(uint32 count) {
 		uint32 size = count * 4;
 
diff --git a/engines/gob/util.cpp b/engines/gob/util.cpp
index 550d5e9a21..e2ef60d5e2 100644
--- a/engines/gob/util.cpp
+++ b/engines/gob/util.cpp
@@ -42,10 +42,11 @@ Util::Util(GobEngine *vm) : _vm(vm) {
 		_keyBuffer[i] = 0;
 	_keyBufferHead = 0;
 	_keyBufferTail = 0;
+	_fastMode = 0;
 }
 
 uint32 Util::getTimeKey(void) {
-	return g_system->getMillis();
+	return g_system->getMillis() * _vm->_global->_speedFactor;
 }
 
 int16 Util::getRandom(int16 max) {
@@ -60,16 +61,17 @@ void Util::beep(int16 freq) {
 }
 
 void Util::delay(uint16 msecs) {
-	g_system->delayMillis(msecs);
+	g_system->delayMillis(msecs / _vm->_global->_speedFactor);
 }
 
 void Util::longDelay(uint16 msecs) {
-	uint32 time = g_system->getMillis() + msecs;
+	uint32 time = g_system->getMillis() * _vm->_global->_speedFactor + msecs;
 	do {
 		_vm->_video->waitRetrace();
 		processInput();
 		delay(15);
-	} while (!_vm->_quitRequested && (g_system->getMillis() < time));
+	} while (!_vm->_quitRequested &&
+	         ((g_system->getMillis() * _vm->_global->_speedFactor) < time));
 }
 
 void Util::initInput(void) {
@@ -103,6 +105,13 @@ void Util::processInput(bool scroll) {
 			_mouseButtons &= ~2;
 			break;
 		case Common::EVENT_KEYDOWN:
+			if (event.kbd.flags == Common::KBD_CTRL) {
+				if (event.kbd.keycode == 'f')
+					_fastMode ^= 1;
+				else if (event.kbd.keycode == 'g')
+					_fastMode ^= 2;
+				break;
+			}
 			addKeyToBuffer(event.kbd.keycode);
 			break;
 		case Common::EVENT_KEYUP:
@@ -115,6 +124,7 @@ void Util::processInput(bool scroll) {
 		}
 	}
 
+	_vm->_global->_speedFactor = MIN(_fastMode + 1, 3);
 	if (scroll && hasMove)
 		_vm->_game->evaluateScroll(x, y);
 }
@@ -190,7 +200,7 @@ int16 Util::getKey(void) {
 		processInput();
 
 		if (keyBufferEmpty())
-			g_system->delayMillis(10);
+			g_system->delayMillis(10 / _vm->_global->_speedFactor);
 	}
 	return translateKey(key);
 }
diff --git a/engines/gob/util.h b/engines/gob/util.h
index d476afd69c..ca9042598c 100644
--- a/engines/gob/util.h
+++ b/engines/gob/util.h
@@ -91,6 +91,8 @@ protected:
 	int16 _keyBufferHead;
 	int16 _keyBufferTail;
 
+	uint8 _fastMode;
+
 	GobEngine *_vm;
 
 	bool keyBufferEmpty();