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authorFilippos Karapetis2012-01-08 19:02:14 +0200
committerFilippos Karapetis2012-01-08 19:03:43 +0200
commit4938e49e2df1d2f8f794461a32a7da86f4e1e967 (patch)
tree74175d4cc226951e0caba845be08b0ce1580c887 /engines/tsage
parent2bc89ea4dcab39607002427862a6e0afacaad113 (diff)
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TSAGE: Fix assert triggering when there's nothing to update on screen
Diffstat (limited to 'engines/tsage')
-rw-r--r--engines/tsage/graphics.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/engines/tsage/graphics.cpp b/engines/tsage/graphics.cpp
index b211f910c1..afaf05190e 100644
--- a/engines/tsage/graphics.cpp
+++ b/engines/tsage/graphics.cpp
@@ -259,6 +259,12 @@ void GfxSurface::updateScreen() {
for (Common::List<Rect>::iterator i = _dirtyRects.begin(); i != _dirtyRects.end(); ++i) {
Rect r = *i;
+ // Make sure that there is something to update. If not, skip this
+ // rectangle. An example case is the speedbike closeup at the beginning
+ // of Ringworld (third screen).
+ if (r.isEmpty())
+ continue;
+
const byte *srcP = (const byte *)_customSurface->getBasePtr(r.left, r.top);
g_system->copyRectToScreen(srcP, _customSurface->pitch, r.left, r.top,
r.width(), r.height());