1 files changed, 26 insertions, 0 deletions
diff --git a/saga/gfx.cpp b/saga/gfx.cpp
index 17d3117817..7f5f7319df 100644
--- a/saga/gfx.cpp
+++ b/saga/gfx.cpp
@@ -986,6 +986,32 @@ int Gfx::blackToPal(SURFACE *surface, PALENTRY *src_pal, double percent) {
 	return SUCCESS;
 }
 
+void Gfx::palToBlackWait(SURFACE *surface, PALENTRY *src_pal, int duration) {
+	uint32 start_time = _vm->_system->getMillis();
+	uint32 cur_time;
+
+	do {
+		cur_time = _vm->_system->getMillis();
+
+		palToBlack(surface, src_pal, (double) (cur_time - start_time) / duration);
+		_vm->_system->updateScreen();
+		_vm->_system->delayMillis(50);
+	} while (cur_time < start_time + duration);
+}
+
+void Gfx::blackToPalWait(SURFACE *surface, PALENTRY *src_pal, int duration) {
+	uint32 start_time = _vm->_system->getMillis();
+	uint32 cur_time;
+
+	do {
+		cur_time = _vm->_system->getMillis();
+
+		blackToPal(surface, src_pal, (double) (cur_time - start_time) / duration);
+		_vm->_system->updateScreen();
+		_vm->_system->delayMillis(50);
+	} while (cur_time < start_time + duration);
+}
+
 void Gfx::showCursor(bool state) {
 	updateCursor();
 	g_system->showMouse(state);