From: Holger Schemel <info@artsoft.org>
Date: Wed, 26 Feb 2020 07:59:24 +0000 (+0100)
Subject: added drawing player twice when wrapping-around in fully visible levels
X-Git-Tag: 4.2.0.0~65
X-Git-Url: https://git.artsoft.org/?a=commitdiff_plain;h=b41cab308268b824218361bef5fbf48a54d5ce2f;p=rocksndiamonds.git

added drawing player twice when wrapping-around in fully visible levels
---

diff --git a/src/game_em/graphics.c b/src/game_em/graphics.c
index 363cb9af..dab61eb7 100644
--- a/src/game_em/graphics.c
+++ b/src/game_em/graphics.c
@@ -368,7 +368,7 @@ static void animscreen(void)
  * handles transparency and movement
  */
 
-static void blitplayer(int nr)
+static void blitplayer_ext(int nr)
 {
   int x1, y1, x2, y2;
 
@@ -430,6 +430,28 @@ static void blitplayer(int nr)
   }
 }
 
+static void blitplayer(int nr)
+{
+  blitplayer_ext(nr);
+
+  /* check for wrap-around movement ... */
+  if (ply[nr].x < lev.left ||
+      ply[nr].x > lev.right - 1)
+  {
+    struct PLAYER ply_last = ply[nr];
+    int dx = ply[nr].x - ply[nr].prev_x;
+
+    ply[nr].x = (ply[nr].x < lev.left ? lev.right - 1 : lev.left);
+    ply[nr].prev_x = ply[nr].x - dx;
+
+    /* draw player entering playfield from the opposite side */
+    blitplayer_ext(nr);
+
+    /* ... but keep the old player position until game logic */
+    ply[nr] = ply_last;
+  }
+}
+
 void game_initscreen(void)
 {
   int player_nr;