optimized scrolling ww

diff --git a/src/lib/scroll16.c b/src/lib/scroll16.c
index 3f4bdcf..4e24b69 100755 (executable)
--- a/src/lib/scroll16.c
+++ b/src/lib/scroll16.c
@@ -380,12 +380,12 @@ void near mapScrollRight(map_view_t *mv, player_t *player, word id, word plid)
        /* draw the next column */
        x= mv[0].page->sw + mv[id].map->tiles->tileWidth;
        if(player[plid].q%4)
-               if(!pageflipflop){
                if(id==0)
                        mapDrawCol(&mv[0], mv[0].tx + mv[0].page->tw, mv[0].ty-1, x, player, mv->page->dx);
                else
-                       modexCopyPageRegion(mv[id].page, mv[0].page, x, 0, x, 0, mv[id].map->tiles->tileWidth, mv[id].map->tiles->tileHeight*(mv[0].page->th+2));
-               }else mapDrawCol(&mv[(!mv[0].video->p)], mv[0].tx + mv[0].page->tw, mv[0].ty-1, x, player, mv->page->dx);
+                       if(!pageflipflop)
+                               modexCopyPageRegion(mv[id].page, mv[0].page, x, 0, x, 0, mv[id].map->tiles->tileWidth, mv[id].map->tiles->tileHeight*(mv[0].page->th+2));
+                       else    mv[0].video->r=!mv[0].video->r;
 }
 
 
@@ -401,7 +401,6 @@ void near mapScrollLeft(map_view_t *mv, player_t *player, word id, word plid)
        {
        /* go backward one tile */
        mv[id].tx--;
-
        /* Snap the origin backward */
        mv[id].page->data -= 4;
        mv[id].page->dx = mv[id].map->tiles->tileWidth;
@@ -410,12 +409,12 @@ void near mapScrollLeft(map_view_t *mv, player_t *player, word id, word plid)
        /* draw the next column */
        x= 0;
        if(player[plid].q%4)
-               if(!pageflipflop){
                if(id==0)
                        mapDrawCol(&mv[0], mv[0].tx - 1, mv[0].ty-1, x, player, mv->page->dx);
                else
-                       modexCopyPageRegion(mv[id].page, mv[0].page, x, 0, x, 0, mv[id].map->tiles->tileWidth, mv[id].map->tiles->tileHeight*(mv[0].page->th+2));
-       }else mapDrawCol(&mv[(!mv[0].video->p)], mv[0].tx - 1, mv[0].ty-1, x, player, mv->page->dx);
+                       if(!pageflipflop)
+                               modexCopyPageRegion(mv[id].page, mv[0].page, x, 0, x, 0, mv[id].map->tiles->tileWidth, mv[id].map->tiles->tileHeight*(mv[0].page->th+2));
+                       else    mv[0].video->r=!mv[0].video->r;
 }
 
 
@@ -439,12 +438,12 @@ void near mapScrollUp(map_view_t *mv, player_t *player, word id, word plid)
        /* draw the next row */
        y= 0;
        if(player[plid].q%3)
-               if(!pageflipflop){
                if(id==0)
                        mapDrawRow(&mv[0], mv[0].tx - 1, mv[0].ty-1, y, player, mv->page->dy);
                else
-                       modexCopyPageRegion(mv[id].page, mv[0].page, 0, y, 0, y, mv[id].map->tiles->tileWidth*(mv[0].page->tw+2), mv[id].map->tiles->tileHeight);
-       }else mapDrawRow(&mv[(!mv[0].video->p)], mv[0].tx - 1, mv[0].ty-1, y, player, mv->page->dy);
+                       if(!pageflipflop)
+                               modexCopyPageRegion(mv[id].page, mv[0].page, 0, y, 0, y, mv[id].map->tiles->tileWidth*(mv[0].page->tw+2), mv[id].map->tiles->tileHeight);
+                       else    mv[0].video->r=!mv[0].video->r;
 }
 
 void near mapScrollDown(map_view_t *mv, player_t *player, word id, word plid)
@@ -467,12 +466,12 @@ void near mapScrollDown(map_view_t *mv, player_t *player, word id, word plid)
        /* draw the next row */
        y= mv[0].page->sh + mv[id].map->tiles->tileHeight;
        if(player[plid].q%3)
-               if(!pageflipflop){
                if(id==0)
                        mapDrawRow(&mv[0], mv[0].tx - 1, mv[0].ty+mv[0].page->th, y, player, mv->page->dy);
                else
-                       modexCopyPageRegion(mv[id].page, mv[0].page, 0, y, 0, y, mv[id].map->tiles->tileWidth*(mv[0].page->tw+2), mv[id].map->tiles->tileHeight);
-       }else mapDrawRow(&mv[(!mv[0].video->p)], mv[0].tx - 1, mv[0].ty+mv[0].page->th, y, player, mv->page->dy);
+                       if(!pageflipflop)
+                               modexCopyPageRegion(mv[id].page, mv[0].page, 0, y, 0, y, mv[id].map->tiles->tileWidth*(mv[0].page->tw+2), mv[id].map->tiles->tileHeight);
+                       else    mv[0].video->r=!mv[0].video->r;
 }