X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_em%2Fgraphics.c;h=9aff1644d4b8e75f5b4e80efe588d5d48d19ccb2;hb=db796e071bbe21db45ac516e55eaf2ea7cee33d5;hp=deee45a380a905e09b93cb2f02609659b33edfa2;hpb=113df1c4ad60b24a31ec6498f8cd3b2d4cd9dbfd;p=rocksndiamonds.git diff --git a/src/game_em/graphics.c b/src/game_em/graphics.c index deee45a3..9aff1644 100644 --- a/src/game_em/graphics.c +++ b/src/game_em/graphics.c @@ -912,7 +912,36 @@ void RedrawPlayfield_EM(boolean force_redraw) sy - offset_y > screen_y ? sy - offset_y : screen_y); +#if 0 + printf("::: (%d, %d) => (%d, %d) [(%d, %d), (%d, %d)] [%d, %d] [%d / %d]\n", + screen_x_old, screen_y_old, + screen_x, screen_y, + ply[max_center_distance_player_nr].oldx, + ply[max_center_distance_player_nr].x, + ply[max_center_distance_player_nr].oldy, + ply[max_center_distance_player_nr].y, + sx, sy, + ABS(screen_x - screen_x_old), + ABS(screen_y - screen_y_old)); +#endif + +#if 1 + #if 1 + /* prevent scrolling further than double player step size when scrolling */ + if (ABS(screen_x - screen_x_old) > 2 * stepsize) + { + int dx = SIGN(screen_x - screen_x_old); + + screen_x = screen_x_old + dx * 2 * stepsize; + } + if (ABS(screen_y - screen_y_old) > 2 * stepsize) + { + int dy = SIGN(screen_y - screen_y_old); + + screen_y = screen_y_old + dy * 2 * stepsize; + } +#else /* prevent scrolling further than double player step size when scrolling */ if (ABS(screen_x - screen_x_old) > 2 * stepsize || ABS(screen_y - screen_y_old) > 2 * stepsize) @@ -923,6 +952,8 @@ void RedrawPlayfield_EM(boolean force_redraw) screen_x = screen_x_old + dx * 2 * stepsize; screen_y = screen_y_old + dy * 2 * stepsize; } +#endif + #else /* prevent scrolling further than player step size when scrolling */ if (ABS(screen_x - screen_x_old) > stepsize ||