ALL: centre -> center

16 files changed, 74 insertions, 74 deletions

diff --git a/engines/tsage/converse.cpp b/engines/tsage/converse.cpp
index aea195a5ac..86a4bf1461 100644
--- a/engines/tsage/converse.cpp
+++ b/engines/tsage/converse.cpp
@@ -871,7 +871,7 @@ void Speaker::removeText() {
 SpeakerGameText::SpeakerGameText() : Speaker() {
 	_speakerName = "GAMETEXT";
 	_textPos = Common::Point(40, 40);
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_color1 = 7;
 	_textWidth = 230;
 	_hideObjects = false;
@@ -881,7 +881,7 @@ SpeakerGameText::SpeakerGameText() : Speaker() {
 
 ScreenSpeaker::ScreenSpeaker() : Speaker() {
 	_npc = NULL;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 }
 
 void ScreenSpeaker::setText(const Common::String &msg) {
@@ -892,9 +892,9 @@ void ScreenSpeaker::setText(const Common::String &msg) {
 
 	_globals->gfxManager().getStringBounds(msg.c_str(), textRect, _textWidth);
 	if (_npc) {
-		textRect.centre(_npc->_position.x, _npc->_bounds.top - (textRect.height() / 2 + 10));
+		textRect.center(_npc->_position.x, _npc->_bounds.top - (textRect.height() / 2 + 10));
 	} else {
-		textRect.centre(_globals->_sceneManager._scene->_sceneBounds.left +
+		textRect.center(_globals->_sceneManager._scene->_sceneBounds.left +
 			(_globals->_sceneManager._scene->_sceneBounds.width() / 2),
 			_globals->_sceneManager._scene->_sceneBounds.top);
 	}
diff --git a/engines/tsage/core.cpp b/engines/tsage/core.cpp
index 818f8b7b5c..2e3f99ec19 100644
--- a/engines/tsage/core.cpp
+++ b/engines/tsage/core.cpp
@@ -1496,7 +1496,7 @@ void SceneItem::display(int resNum, int lineNum, ...) {
 	Rect textRect;
 	int maxWidth = 120;
 	bool keepOnscreen = false;
-	bool centreText = true;
+	bool centerText = true;
 
 	if (resNum) {
 		va_list va;
@@ -1559,7 +1559,7 @@ void SceneItem::display(int resNum, int lineNum, ...) {
 			}
 			case SET_POS_MODE:
 				// Set whether a custom x/y is used
-				centreText = va_arg(va, int) != 0;
+				centerText = va_arg(va, int) != 0;
 				break;
 			case SET_TEXT_MODE:
 				// Set the text mode
@@ -1576,17 +1576,17 @@ void SceneItem::display(int resNum, int lineNum, ...) {
 	if (resNum) {
 		// Get required bounding size
 		_globals->gfxManager().getStringBounds(msg.c_str(), textRect, maxWidth);
-		textRect.centre(pos.x, pos.y);
+		textRect.center(pos.x, pos.y);
 
 		textRect.contain(_globals->gfxManager()._bounds);
-		if (centreText) {
+		if (centerText) {
 			_globals->_sceneText._color1 = _globals->_sceneText._color2;
 			_globals->_sceneText._color2 = 0;
 			_globals->_sceneText._color3 = 0;
 		}
 
 		_globals->_sceneText.setup(msg);
-		if (centreText) {
+		if (centerText) {
 			_globals->_sceneText.setPosition(Common::Point(
 				_globals->_sceneManager._scene->_sceneBounds.left + textRect.left,
 				_globals->_sceneManager._scene->_sceneBounds.top + textRect.top), 0);
diff --git a/engines/tsage/dialogs.cpp b/engines/tsage/dialogs.cpp
index b76d60ac48..0778ea8b2b 100644
--- a/engines/tsage/dialogs.cpp
+++ b/engines/tsage/dialogs.cpp
@@ -64,8 +64,8 @@ MessageDialog::MessageDialog(const Common::String &message, const Common::String
 	// Do post setup for the dialog
 	setDefaults();
 
-	// Set the dialog's centre
-	setCentre(_globals->_dialogCentre.x, _globals->_dialogCentre.y);
+	// Set the dialog's center
+	setCenter(_globals->_dialogCenter.x, _globals->_dialogCenter.y);
 }
 
 int MessageDialog::show(const Common::String &message, const Common::String &btn1Message, const Common::String &btn2Message) {
@@ -167,7 +167,7 @@ RightClickDialog::RightClickDialog() : GfxDialog(),
 
 	// Set the dialog position
 	dialogRect.resize(_surface, 0, 0, 100);
-	dialogRect.centre(_globals->_events._mousePos.x, _globals->_events._mousePos.y);
+	dialogRect.center(_globals->_events._mousePos.x, _globals->_events._mousePos.y);
 
 	// Ensure the dialog will be entirely on-screen
 	Rect screenRect = _globals->gfxManager()._bounds;
@@ -457,7 +457,7 @@ InventoryDialog::InventoryDialog(bool allFlag) {
 	addElements(&_btnLook, &_btnOk, NULL);
 
 	frame();
-	setCentre(SCREEN_CENTRE_X, SCREEN_CENTRE_Y);
+	setCenter(SCREEN_CENTER_X, SCREEN_CENTER_Y);
 }
 
 void InventoryDialog::execute() {
@@ -591,7 +591,7 @@ OptionsDialog::OptionsDialog() {
 
 	// Set the dialog size and position
 	frame();
-	setCentre(160, 100);
+	setCenter(160, 100);
 }
 
 
diff --git a/engines/tsage/globals.cpp b/engines/tsage/globals.cpp
index fc764172f5..7f41ab0978 100644
--- a/engines/tsage/globals.cpp
+++ b/engines/tsage/globals.cpp
@@ -47,7 +47,7 @@ static SavedObject *classFactoryProc(const Common::String &className) {
 /*--------------------------------------------------------------------------*/
 
 Globals::Globals() :
-		_dialogCentre(160, 140),
+		_dialogCenter(160, 140),
 		_gfxManagerInstance(_screenSurface) {
 	reset();
 	_stripNum = 0;
@@ -89,7 +89,7 @@ void Globals::synchronise(Serialiser &s) {
 	s.syncAsSint32LE(_fontColors.background);
 	s.syncAsSint32LE(_fontColors.foreground);
 
-	s.syncAsSint16LE(_dialogCentre.x); s.syncAsSint16LE(_dialogCentre.y);
+	s.syncAsSint16LE(_dialogCenter.x); s.syncAsSint16LE(_dialogCenter.y);
 	_sceneListeners.synchronise(s);
 	for (int i = 0; i < 256; ++i)
 		s.syncAsByte(_flags[i]);
diff --git a/engines/tsage/globals.h b/engines/tsage/globals.h
index bd60d25bf8..6fe8e6295a 100644
--- a/engines/tsage/globals.h
+++ b/engines/tsage/globals.h
@@ -55,7 +55,7 @@ public:
 	GfxColors _gfxColors;
 	GfxColors _fontColors;
 	SoundManager _soundManager;
-	Common::Point _dialogCentre;
+	Common::Point _dialogCenter;
 	WalkRegions _walkRegions;
 	SynchronisedList<EventHandler *> _sceneListeners;
 	bool _flags[256];
diff --git a/engines/tsage/graphics.cpp b/engines/tsage/graphics.cpp
index 0dbb48eb63..5b6cd196b2 100644
--- a/engines/tsage/graphics.cpp
+++ b/engines/tsage/graphics.cpp
@@ -147,22 +147,22 @@ void Rect::collapse(int dx, int dy) {
 }
 
 /**
- * Centres the rectangle at a given position
+ * Centers the rectangle at a given position
  *
- * @xp x position for new centre
- * @yp y position for new centre
+ * @xp x position for new center
+ * @yp y position for new center
  */
-void Rect::centre(int xp, int yp) {
+void Rect::center(int xp, int yp) {
 	moveTo(xp - (width() / 2), yp - (height() / 2));
 }
 
 /**
- * Centres the rectangle at the centre of a second passed rectangle
+ * Centers the rectangle at the center of a second passed rectangle
  *
- * @r Second rectangle whose centre to use
+ * @r Second rectangle whose center to use
  */
-void Rect::centre(const Rect &r) {
-	centre(r.left + (r.width() / 2), r.top + (r.height() / 2));
+void Rect::center(const Rect &r) {
+	center(r.left + (r.width() / 2), r.top + (r.height() / 2));
 }
 
 /*
@@ -355,7 +355,7 @@ bool GfxSurface::displayText(const Common::String &msg, const Common::Point &pt)
 	// Get the area for text display
 	Rect textRect;
 	gfxManager.getStringBounds(msg.c_str(), textRect, 200);
-	textRect.centre(pt.x, pt.y);
+	textRect.center(pt.x, pt.y);
 
 	// Make a backup copy of the area the text will occupy
 	Rect saveRect = textRect;
@@ -798,7 +798,7 @@ void GfxButton::draw() {
 	// Display the button's text
 	Rect tempRect(_bounds);
 	tempRect.collapse(3, 3);
-	gfxManager._font.writeLines(_message.c_str(), tempRect, ALIGN_CENTRE);
+	gfxManager._font.writeLines(_message.c_str(), tempRect, ALIGN_CENTER);
 
 	gfxManager.unlockSurface();
 }
@@ -928,7 +928,7 @@ void GfxDialog::setTopLeft(int xp, int yp) {
 	_bounds.moveTo(xp - 6, yp - 6);
 }
 
-void GfxDialog::setCentre(int xp, int yp) {
+void GfxDialog::setCenter(int xp, int yp) {
 	setTopLeft(xp - (_bounds.width() / 2), yp - (_bounds.height() / 2));
 }
 
@@ -1355,7 +1355,7 @@ void GfxFont::writeLines(const char *s, const Rect &bounds, TextAlign align) {
 			writeString(s, numChars);
 			break;
 
-		case ALIGN_CENTRE:
+		case ALIGN_CENTER:
 			// Center aligned text
 			_position.x = bounds.left + (bounds.width() / 2) - (getStringWidth(s, numChars) / 2);
 			writeString(s, numChars);
diff --git a/engines/tsage/graphics.h b/engines/tsage/graphics.h
index b4ae20227e..c266d74bc5 100644
--- a/engines/tsage/graphics.h
+++ b/engines/tsage/graphics.h
@@ -48,9 +48,9 @@ public:
 
 	void set(int16 x1, int16 y1, int16 x2, int16 y2);
 	void collapse(int dx, int dy);
-	void centre(int dx, int dy);
-	void centre(const Rect &r);
-	void centre(const Common::Point &pt) { centre(pt.x, pt.y); }
+	void center(int dx, int dy);
+	void center(const Rect &r);
+	void center(const Common::Point &pt) { center(pt.x, pt.y); }
 	void contain(const Rect &r);
 	void resize(const GfxSurface &surface, int xp, int yp, int percent);
 	void expandPanes();
@@ -115,7 +115,7 @@ public:
 	static bool displayText(const Common::String &msg, const Common::Point &pt = Common::Point(160, 100));
 };
 
-enum TextAlign {ALIGN_LEFT = 0, ALIGN_CENTRE = 1, ALIGN_RIGHT = 2, ALIGN_JUSTIFIED = 3};
+enum TextAlign {ALIGN_LEFT = 0, ALIGN_CENTER = 1, ALIGN_RIGHT = 2, ALIGN_JUSTIFIED = 3};
 
 class GfxFont {
 	friend class GfxFontBackup;
@@ -325,7 +325,7 @@ public:
 	void add(GfxElement *element);
 	void addElements(GfxElement *ge, ...);
 	void setTopLeft(int xp, int yp);
-	void setCentre(int xp, int yp);
+	void setCenter(int xp, int yp);
 	void frame() {
 		setDefaults();
 		_bounds.collapse(6, 6);
diff --git a/engines/tsage/ringworld_logic.cpp b/engines/tsage/ringworld_logic.cpp
index ac92134393..9286521a29 100644
--- a/engines/tsage/ringworld_logic.cpp
+++ b/engines/tsage/ringworld_logic.cpp
@@ -331,7 +331,7 @@ void SpeakerGText::setText(const Common::String &msg) {
 	// Set the text
 	Rect textRect;
 	_globals->gfxManager()._font.getStringBounds(msg.c_str(), textRect, _textWidth);
-	textRect.centre(_sceneObject._position.x, _sceneObject._position.y);
+	textRect.center(_sceneObject._position.x, _sceneObject._position.y);
 	_textPos.x = textRect.left;
 	Speaker::setText(msg);
 }
@@ -438,7 +438,7 @@ SpeakerQText::SpeakerQText() : ScreenSpeaker() {
 	_textPos = Common::Point(160, 40);
 	_color1 = 35;
 	_textWidth = 240;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_hideObjects = false;
 }
 
@@ -448,7 +448,7 @@ SpeakerSText::SpeakerSText() : ScreenSpeaker() {
 	_speakerName = "STEXT";
 	_color1 = 13;
 	_textWidth = 240;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_hideObjects = false;
 }
 
@@ -457,7 +457,7 @@ SpeakerSText::SpeakerSText() : ScreenSpeaker() {
 SpeakerPOText::SpeakerPOText() : ScreenSpeaker() {
 	_speakerName = "POTEXT";
 	_textWidth = 240;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_color1 = 41;
 	_hideObjects = false;
 }
@@ -468,7 +468,7 @@ SpeakerMText::SpeakerMText() {
 	_speakerName = "MTEXT";
 	_color1 = 11;
 	_textWidth = 160;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_hideObjects = false;
 }
 
@@ -478,7 +478,7 @@ SpeakerCText::SpeakerCText() {
 	_speakerName = "CTEXT";
 	_color1 = 4;
 	_textWidth = 240;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_hideObjects = false;
 }
 
@@ -515,7 +515,7 @@ SpeakerHText::SpeakerHText() {
 SpeakerSKText::SpeakerSKText() : ScreenSpeaker() {
 	_speakerName = "SKTEXT";
 	_textWidth = 240;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_color1 = 5;
 	_hideObjects = false;
 }
@@ -525,7 +525,7 @@ SpeakerSKText::SpeakerSKText() : ScreenSpeaker() {
 SpeakerPText::SpeakerPText() {
 	_speakerName = "PTEXT";
 	_textWidth = 240;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_color1 = 5;
 	_hideObjects = false;
 }
@@ -535,7 +535,7 @@ SpeakerPText::SpeakerPText() {
 SpeakerCHFText::SpeakerCHFText() {
 	_speakerName = "CHFTEXT";
 	_textWidth = 240;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_color1 = 56;
 	_hideObjects = false;
 }
@@ -545,7 +545,7 @@ SpeakerCHFText::SpeakerCHFText() {
 SpeakerCDRText::SpeakerCDRText() {
 	_speakerName = "CDRTEXT";
 	_textWidth = 240;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_color1 = 52;
 	_hideObjects = false;
 }
@@ -564,7 +564,7 @@ SpeakerFLText::SpeakerFLText() {
 SpeakerBatText::SpeakerBatText() {
 	_speakerName = "BATTEXT";
 	_textWidth = 240;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 	_color1 = 3;
 	_hideObjects = false;
 }
@@ -607,7 +607,7 @@ SpeakerQL::SpeakerQL() : AnimatedSpeaker() {
 	_newSceneNumber = 2610;
 	_textPos = Common::Point(160, 30);
 	_color1 = 35;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 }
 
 void SpeakerQL::setText(const Common::String &msg) {
@@ -639,7 +639,7 @@ SpeakerSR::SpeakerSR() {
 	_newSceneNumber = 2811;
 	_textPos = Common::Point(10, 30);
 	_color1 = 13;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 }
 
 void SpeakerSR::setText(const Common::String &msg) {
@@ -680,7 +680,7 @@ SpeakerSL::SpeakerSL() {
 	_textPos = Common::Point(140, 30);
 	_textWidth = 160;
 	_color1 = 13;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 }
 
 void SpeakerSL::setText(const Common::String &msg) {
@@ -712,7 +712,7 @@ SpeakerQR::SpeakerQR() {
 	_newSceneNumber = 2611;
 	_textPos = Common::Point(10, 30);
 	_color1 = 13;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 }
 
 void SpeakerQR::setText(const Common::String &msg) {
@@ -744,7 +744,7 @@ SpeakerQU::SpeakerQU() {
 	_newSceneNumber = 7020;
 	_textPos = Common::Point(160, 30);
 	_color1 = 35;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 }
 
 void SpeakerQU::setText(const Common::String &msg) {
@@ -833,7 +833,7 @@ SpeakerSAL::SpeakerSAL() {
 	_newSceneNumber = 2851;
 	_textPos = Common::Point(10, 30);
 	_color1 = 13;
-	_textMode = ALIGN_CENTRE;
+	_textMode = ALIGN_CENTER;
 }
 
 void SpeakerSAL::setText(const Common::String &msg) {
diff --git a/engines/tsage/ringworld_scenes1.cpp b/engines/tsage/ringworld_scenes1.cpp
index 7b9c315721..1fc6ab875d 100644
--- a/engines/tsage/ringworld_scenes1.cpp
+++ b/engines/tsage/ringworld_scenes1.cpp
@@ -605,7 +605,7 @@ void Scene20::postInit(SceneObjectList *OwnerList) {
 			setAction(&_action4);
 		}
 
-		_sceneBounds.centre(_globals->_player._position.x, _globals->_player._position.y);
+		_sceneBounds.center(_globals->_player._position.x, _globals->_player._position.y);
 	}
 
 	_globals->_player.disableControl();
@@ -2397,7 +2397,7 @@ void Scene60::signal() {
 			_globals->_events.setCursor(CURSOR_USE);
 
 			_gfxButton.setText(EXIT_MSG);
-			_gfxButton._bounds.centre(160, 193);
+			_gfxButton._bounds.center(160, 193);
 			_gfxButton.draw();
 			_gfxButton._bounds.expandPanes();
 		} else {
diff --git a/engines/tsage/ringworld_scenes10.cpp b/engines/tsage/ringworld_scenes10.cpp
index 56d6bd9101..2908667ca0 100644
--- a/engines/tsage/ringworld_scenes10.cpp
+++ b/engines/tsage/ringworld_scenes10.cpp
@@ -1228,7 +1228,7 @@ void Scene9700::signal() {
 	case 9701:
 	case 9702:
 		_gfxButton1.setText(EXIT_MSG);
-		_gfxButton1._bounds.centre(50, 190);
+		_gfxButton1._bounds.center(50, 190);
 		_gfxButton1.draw();
 		_gfxButton1._bounds.expandPanes();
 		_globals->_player.enableControl();
@@ -1702,7 +1702,7 @@ void Scene9900::strAction2::signal() {
 				_txtArray1Index = (_txtArray1Index + 1) % 2;
 			}
 			_var3 = 1;
-			_txtArray1[_txtArray1Index]._textMode = ALIGN_CENTRE;
+			_txtArray1[_txtArray1Index]._textMode = ALIGN_CENTER;
 			_txtArray1[_txtArray1Index]._width = 240;
 			_txtArray1[_txtArray1Index]._fontNumber = 2;
 			_txtArray1[_txtArray1Index]._color1 = 7;
@@ -1717,7 +1717,7 @@ void Scene9900::strAction2::signal() {
 			Common::Point pt2(_txtArray1[_txtArray1Index]._position.x, 100);
 			_txtArray1[_txtArray1Index].addMover(mover2, &pt2, 0);
 
-			_txtArray2[_txtArray1Index]._textMode = ALIGN_CENTRE;
+			_txtArray2[_txtArray1Index]._textMode = ALIGN_CENTER;
 			_txtArray2[_txtArray1Index]._width = 240;
 			_txtArray2[_txtArray1Index]._fontNumber = 2;
 			_txtArray2[_txtArray1Index]._color1 = 23;
@@ -2048,7 +2048,7 @@ void Scene9999::postInit(SceneObjectList *OwnerList) {
 	else
 		setAction(&_action1);
 
-	_globals->_sceneManager._scene->_sceneBounds.centre(_globals->_player._position.x, _globals->_player._position.y);
+	_globals->_sceneManager._scene->_sceneBounds.center(_globals->_player._position.x, _globals->_player._position.y);
 	_globals->_sceneManager._scene->_sceneBounds.contain(_globals->_sceneManager._scene->_backgroundBounds);
 	_globals->_sceneOffset.x = (_globals->_sceneManager._scene->_sceneBounds.left / 160) * 160;
 
diff --git a/engines/tsage/ringworld_scenes2.cpp b/engines/tsage/ringworld_scenes2.cpp
index c0b2fbb966..1fc45d323d 100644
--- a/engines/tsage/ringworld_scenes2.cpp
+++ b/engines/tsage/ringworld_scenes2.cpp
@@ -266,7 +266,7 @@ void Scene1000::postInit(SceneObjectList *OwnerList) {
 
 		setAction(&_action2);
 
-		_globals->_sceneManager._scene->_sceneBounds.centre(_object1._position.x, _object1._position.y);
+		_globals->_sceneManager._scene->_sceneBounds.center(_object1._position.x, _object1._position.y);
 		_globals->_sceneManager._scene->_sceneBounds.contain(_globals->_sceneManager._scene->_backgroundBounds);
 
 		_globals->_sceneOffset.x = (_globals->_sceneManager._scene->_sceneBounds.left / 160) * 160;
@@ -280,7 +280,7 @@ void Scene1000::postInit(SceneObjectList *OwnerList) {
 		_object1._moveDiff = Common::Point(2, 2);
 		_object1.setPosition(Common::Point(120, 180));
 
-		_globals->_sceneManager._scene->_sceneBounds.centre(_object1._position.x, _object1._position.y);
+		_globals->_sceneManager._scene->_sceneBounds.center(_object1._position.x, _object1._position.y);
 		_globals->_sceneManager._scene->_sceneBounds.contain(_globals->_sceneManager._scene->_backgroundBounds);
 		_globals->_sceneOffset.x = (_globals->_sceneManager._scene->_sceneBounds.left / 160) * 160;
 
@@ -301,7 +301,7 @@ void Scene1000::postInit(SceneObjectList *OwnerList) {
 		_globals->_player.hide();
 		_globals->_player.disableControl();
 
-		_globals->_sceneManager._scene->_sceneBounds.centre(_object3._position.x, _object3._position.y);
+		_globals->_sceneManager._scene->_sceneBounds.center(_object3._position.x, _object3._position.y);
 
 		setAction(&_action3);
 	}
@@ -776,7 +776,7 @@ void Scene1400::postInit(SceneObjectList *OwnerList) {
 
 	_globals->_player._moveDiff = Common::Point(4, 2);
 	_globals->_player.setPosition(Common::Point(160, 800));
-	_globals->_sceneManager._scene->_sceneBounds.centre(_globals->_player._position);
+	_globals->_sceneManager._scene->_sceneBounds.center(_globals->_player._position);
 	_globals->_sceneManager._scene->_sceneBounds.contain(_globals->_sceneManager._scene->_backgroundBounds);
 	_globals->_sceneOffset.y = (_globals->_sceneManager._scene->_sceneBounds.top / 100) * 100;
 
diff --git a/engines/tsage/ringworld_scenes3.cpp b/engines/tsage/ringworld_scenes3.cpp
index 6895c3b669..0cf299c2de 100644
--- a/engines/tsage/ringworld_scenes3.cpp
+++ b/engines/tsage/ringworld_scenes3.cpp
@@ -3118,7 +3118,7 @@ void Scene2222::postInit(SceneObjectList *OwnerList) {
 	}
 
 	_soundHandler.startSound(116);
-	_globals->_sceneManager._scene->_sceneBounds.centre(_hotspot1._position);
+	_globals->_sceneManager._scene->_sceneBounds.center(_hotspot1._position);
 
 	_globals->_sceneManager._scene->_sceneBounds.contain(_globals->_sceneManager._scene->_backgroundBounds);
 	_globals->_sceneOffset.x = (_globals->_sceneManager._scene->_sceneBounds.left / 160) * 160;
@@ -4875,7 +4875,7 @@ void Scene2310::signal() {
 		Common::String msg = Common::String::format(fmtString.c_str(), _pageList[_pageIndex]._pageNumber);
 
 		_sceneText._width = 280;
-		_sceneText._textMode = ALIGN_CENTRE;
+		_sceneText._textMode = ALIGN_CENTER;
 		_sceneText._color1 = 35;
 		_sceneText._fontNumber = 2;
 		_sceneText.setup(msg);
@@ -5971,7 +5971,7 @@ void Scene2320::postInit(SceneObjectList *OwnerList) {
 	}
 
 	_globals->_stripNum = 0;
-	_globals->_sceneManager._scene->_sceneBounds.centre(_globals->_player._position);
+	_globals->_sceneManager._scene->_sceneBounds.center(_globals->_player._position);
 	loadScene(2320);
 
 	_hotspot14._sceneRegionId = 8;
@@ -6088,7 +6088,7 @@ void Scene2400::postInit(SceneObjectList *OwnerList) {
 
 	setAction(&_action1);
 
-	_globals->_sceneManager._scene->_sceneBounds.centre(_globals->_player._position.x, _globals->_player._position.y);
+	_globals->_sceneManager._scene->_sceneBounds.center(_globals->_player._position.x, _globals->_player._position.y);
 	_globals->_sceneManager._scene->_sceneBounds.contain(_globals->_sceneManager._scene->_backgroundBounds);
 	_globals->_sceneOffset.x = (_globals->_sceneManager._scene->_sceneBounds.left / 160) * 160;
 
diff --git a/engines/tsage/ringworld_scenes5.cpp b/engines/tsage/ringworld_scenes5.cpp
index de29a1cefc..d945bec522 100644
--- a/engines/tsage/ringworld_scenes5.cpp
+++ b/engines/tsage/ringworld_scenes5.cpp
@@ -1594,7 +1594,7 @@ void Scene4025::signal() {
 	if (_sceneMode != 4027) {
 		if (_sceneMode != 4028) {
 			_gfxButton.setText(EXIT_MSG);
-			_gfxButton._bounds.centre(144, 107);
+			_gfxButton._bounds.center(144, 107);
 			_gfxButton.draw();
 			_gfxButton._bounds.expandPanes();
 		}
@@ -4108,7 +4108,7 @@ void Scene4300::signal() {
 		_hotspot14.setPosition(Common::Point(60, 199));
 
 		_gfxButton.setText(EXIT_MSG);
-		_gfxButton._bounds.centre(60, 193);
+		_gfxButton._bounds.center(60, 193);
 		_gfxButton.draw();
 		_gfxButton._bounds.expandPanes();
 
diff --git a/engines/tsage/ringworld_scenes6.cpp b/engines/tsage/ringworld_scenes6.cpp
index 3ea4d7b279..5fdb09732a 100644
--- a/engines/tsage/ringworld_scenes6.cpp
+++ b/engines/tsage/ringworld_scenes6.cpp
@@ -1277,7 +1277,7 @@ void Scene5100::postInit(SceneObjectList *OwnerList) {
 	_hotspot15.setPosition(Common::Point(977, 173));
 	_hotspot15.setPriority2(1);
 
-	_globals->_sceneManager._scene->_sceneBounds.centre(_globals->_player._position);
+	_globals->_sceneManager._scene->_sceneBounds.center(_globals->_player._position);
 	loadScene(5100);
 	_globals->_soundHandler.startSound(205);
 }
@@ -1703,7 +1703,7 @@ void Scene5200::postInit(SceneObjectList *OwnerList) {
 	_hotspot10._sceneRegionId = 9;
 
 	_globals->_sceneItems.addItems(&_hotspot12, &_hotspot13, &_hotspot9, &_hotspot10, &_hotspot11, NULL);
-	_globals->_sceneManager._scene->_sceneBounds.centre(_globals->_player._position);
+	_globals->_sceneManager._scene->_sceneBounds.center(_globals->_player._position);
 	loadScene(5200);
 }
 
diff --git a/engines/tsage/ringworld_scenes8.cpp b/engines/tsage/ringworld_scenes8.cpp
index e437662774..a2742bea25 100644
--- a/engines/tsage/ringworld_scenes8.cpp
+++ b/engines/tsage/ringworld_scenes8.cpp
@@ -1578,7 +1578,7 @@ void Scene7600::postInit(SceneObjectList *OwnerList) {
 		_globals->_player.setPosition(Common::Point(-50, 195));
 		setAction(&_action1);
 	}
-	_sceneBounds.centre(_globals->_player._position.x, _globals->_player._position.y);
+	_sceneBounds.center(_globals->_player._position.x, _globals->_player._position.y);
 	loadScene(7600);
 	_soundHandler2.startSound(255);
 	_soundHandler1.startSound(251);
@@ -2045,7 +2045,7 @@ void Scene7700::Object8::doAction(int action) {
 			scene->_object14.setPosition(Common::Point(139, 151), 0);
 
 			scene->_gfxButton.setText(EXIT_MSG);
-			scene->_gfxButton._bounds.centre(140, 189);
+			scene->_gfxButton._bounds.center(140, 189);
 			scene->_gfxButton.draw();
 			scene->_gfxButton._bounds.expandPanes();
 
@@ -2059,7 +2059,7 @@ void Scene7700::Object8::doAction(int action) {
 			scene->_object15.setPriority2(200);
 
 			scene->_gfxButton.setText(EXIT_MSG);
-			scene->_gfxButton._bounds.centre(140, 186);
+			scene->_gfxButton._bounds.center(140, 186);
 			scene->_gfxButton.draw();
 			scene->_gfxButton._bounds.expandPanes();
 
diff --git a/engines/tsage/tsage.h b/engines/tsage/tsage.h
index 2a627d80bc..25a99f094b 100644
--- a/engines/tsage/tsage.h
+++ b/engines/tsage/tsage.h
@@ -61,8 +61,8 @@ struct tSageGameDescription;
 
 #define SCREEN_WIDTH 320
 #define SCREEN_HEIGHT 200
-#define SCREEN_CENTRE_X 160
-#define SCREEN_CENTRE_Y 100
+#define SCREEN_CENTER_X 160
+#define SCREEN_CENTER_Y 100
 
 class TSageEngine : public Engine {
 private: