SCI: Replace magic numbers for globals with named constants

2 files changed, 4 insertions, 4 deletions

diff --git a/engines/sci/graphics/animate.cpp b/engines/sci/graphics/animate.cpp
index 98278397b7..e593484d8b 100644
--- a/engines/sci/graphics/animate.cpp
+++ b/engines/sci/graphics/animate.cpp
@@ -145,7 +145,7 @@ bool GfxAnimate::invoke(List *list, int argc, reg_t *argv) {
 		if (_fastCastEnabled) {
 			// Check if the game has a fastCast object set
 			//  if we don't abort kAnimate processing, at least in kq5 there will be animation cels drawn into speech boxes.
-			if (!_s->variables[VAR_GLOBAL][84].isNull()) {
+			if (!_s->variables[VAR_GLOBAL][kFastCast].isNull()) {
 				// This normally points to an object called "fastCast",
 				// but for example in Eco Quest 1 it may also point to an object called "EventHandler" (see bug #5170)
 				// Original SCI only checked, if this global was not 0.
@@ -338,7 +338,7 @@ void GfxAnimate::applyGlobalScaling(AnimateList::iterator entry, GfxView *view)
 	int16 maxScale = readSelectorValue(_s->_segMan, entry->object, SELECTOR(maxScale));
 	int16 celHeight = view->getHeight(entry->loopNo, entry->celNo);
 	int16 maxCelHeight = (maxScale * celHeight) >> 7;
-	reg_t globalVar2 = _s->variables[VAR_GLOBAL][2]; // current room object
+	reg_t globalVar2 = _s->variables[VAR_GLOBAL][kCurrentRoom]; // current room object
 	int16 vanishingY = readSelectorValue(_s->_segMan, globalVar2, SELECTOR(vanishingY));
 
 	int16 fixedPortY = _ports->getPort()->rect.bottom - vanishingY;
diff --git a/engines/sci/graphics/frameout.cpp b/engines/sci/graphics/frameout.cpp
index 7d38d01f02..7410bdabac 100644
--- a/engines/sci/graphics/frameout.cpp
+++ b/engines/sci/graphics/frameout.cpp
@@ -141,7 +141,7 @@ void GfxFrameout::syncWithScripts(bool addElements) {
 		return;
 
 	// Get planes list object
-	reg_t planesListObject = engineState->variables[VAR_GLOBAL][10];
+	reg_t planesListObject = engineState->variables[VAR_GLOBAL][kPlanes];
 	reg_t planesListElements = readSelector(segMan, planesListObject, SELECTOR(elements));
 
 	List *planesList = segMan->lookupList(planesListElements);
@@ -565,7 +565,7 @@ void GfxFrameout::palMorphFrameOut(const int8 *styleRanges, PlaneShowStyle *show
 	Palette sourcePalette(_palette->getNextPalette());
 	alterVmap(sourcePalette, sourcePalette, -1, styleRanges);
 
-	int16 prevRoom = g_sci->getEngineState()->variables[VAR_GLOBAL][12].toSint16();
+	int16 prevRoom = g_sci->getEngineState()->variables[VAR_GLOBAL][kPreviousRoomNo].toSint16();
 
 	Common::Rect rect(_currentBuffer.screenWidth, _currentBuffer.screenHeight);
 	_showList.add(rect);