aboutsummaryrefslogtreecommitdiff
path: root/engines/zvision/scripting/actions.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'engines/zvision/scripting/actions.cpp')
-rw-r--r--engines/zvision/scripting/actions.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/engines/zvision/scripting/actions.cpp b/engines/zvision/scripting/actions.cpp
index 7c3463b6d0..a91476760d 100644
--- a/engines/zvision/scripting/actions.cpp
+++ b/engines/zvision/scripting/actions.cpp
@@ -566,6 +566,12 @@ ActionPreloadAnimation::ActionPreloadAnimation(ZVision *engine, int32 slotkey, c
// The two %*u are usually 0 and dont seem to have a use
sscanf(line.c_str(), "%24s %*u %*u %d %d", fileName, &_mask, &_framerate);
+ // Mask 0 means "no transparency" in this case. Since we use a common blitting
+ // code for images and animations, we set it to -1 to avoid confusion with
+ // color 0, which is used as a mask in some images
+ if (_mask == 0)
+ _mask = -1;
+
_fileName = Common::String(fileName);
}
@@ -628,6 +634,12 @@ ActionPlayAnimation::ActionPlayAnimation(ZVision *engine, int32 slotkey, const C
"%24s %u %u %u %u %u %u %d %*u %*u %d %d",
fileName, &_x, &_y, &_x2, &_y2, &_start, &_end, &_loopCount, &_mask, &_framerate);
+ // Mask 0 means "no transparency" in this case. Since we use a common blitting
+ // code for images and animations, we set it to -1 to avoid confusion with
+ // color 0, which is used as a mask in some images
+ if (_mask == 0)
+ _mask = -1;
+
_fileName = Common::String(fileName);
}