Partially (but mainly) resolved Mantis #753 by making monsters, NPC, and Floor Items visible even covered.

Next Step would be to add a caching system for multi-layered sprites + copy functions for SDL and OpenGL.
Then, I'll be able to finish this, by making also players visible when covered...

But Kage asked me (each and every hour) to do something else first ;)

1 files changed, 17 insertions, 4 deletions

diff --git a/src/animatedsprite.cpp b/src/animatedsprite.cpp
index 5a57b08c..1f8778e1 100644
--- a/src/animatedsprite.cpp
+++ b/src/animatedsprite.cpp
@@ -40,7 +40,8 @@ AnimatedSprite::AnimatedSprite(SpriteDef *sprite):
     mSprite(sprite),
     mAction(0),
     mAnimation(0),
-    mFrame(0)
+    mFrame(0),
+    mAlpha(1.0f)
 {
     assert(mSprite);
 
@@ -142,9 +143,15 @@ bool AnimatedSprite::updateCurrentAnimation(unsigned int time)
 
 bool AnimatedSprite::draw(Graphics *graphics, int posX, int posY) const
 {
-    if (!mFrame || !mFrame->image)
+    if (!mFrame)
         return false;
 
+    if (!mFrame->image)
+      return false;
+
+    if (mFrame->image->getAlpha() != mAlpha)
+        mFrame->image->setAlpha(mAlpha);
+
     return graphics->drawImage(mFrame->image,
                                posX + mFrame->offsetX,
                                posY + mFrame->offsetY);
@@ -172,10 +179,16 @@ void AnimatedSprite::setDirection(SpriteDirection direction)
 
 int AnimatedSprite::getWidth() const
 {
-    return mFrame ? mFrame->image->getWidth() : 0;
+    if (mFrame)
+        return mFrame->image ? mFrame->image->getWidth() : 0;
+    else
+        return 0;
 }
 
 int AnimatedSprite::getHeight() const
 {
-    return mFrame ? mFrame->image->getHeight() : 0;
+    if (mFrame)
+        return mFrame->image ? mFrame->image->getHeight() : 0;
+    else
+        return 0;
 }