From: Ingo Ruhnke <grumbel@gmx.de>
Date: Tue, 20 Apr 2004 17:58:12 +0000 (+0000)
Subject: - stop tux if he ran into a block, no more accelerating while standing infront of... 
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=cd728101c06cd0280fe3f57dcc3f934a217fdcc9;p=supertux.git

- stop tux if he ran into a block, no more accelerating while standing infront of a block

SVN-Revision: 597
---

diff --git a/src/physic.cpp b/src/physic.cpp
index edd976cd3..3b90c6ef2 100644
--- a/src/physic.cpp
+++ b/src/physic.cpp
@@ -85,6 +85,18 @@ Physic::get_velocity_y()
 }
 
 void
+Physic::set_acceleration_x(float nax)
+{
+  ax = nax;
+}
+
+void
+Physic::set_acceleration_y(float nay)
+{
+  ay = -nay;
+}
+
+void
 Physic::set_acceleration(float nax, float nay)
 {
     ax = nax;
diff --git a/src/physic.h b/src/physic.h
index 8e467d777..558cebd4c 100644
--- a/src/physic.h
+++ b/src/physic.h
@@ -51,6 +51,9 @@ public:
      */
     void set_acceleration(float ax, float ay);
 
+    void set_acceleration_x(float ax);
+    void set_acceleration_y(float ay);
+
     float get_acceleration_x();
     float get_acceleration_y();
 
diff --git a/src/player.cpp b/src/player.cpp
index 4f52d343a..baedf1253 100644
--- a/src/player.cpp
+++ b/src/player.cpp
@@ -183,17 +183,27 @@ Player::action(double frame_ratio)
   previous_base = base;
 
   physic.apply(frame_ratio, base.x, base.y);
-  if(dying == DYING_NOT) {
+  if(dying == DYING_NOT) 
+    {
+      base_type target = base;
+
       collision_swept_object_map(&old_base, &base);
+
+      // Don't accelerate Tux if he is running against a wall
+      if (target.x != base.x)
+        {
+          physic.set_velocity_x(0);
+        }
+
       // special exception for cases where we're stuck under tiles after
       // being ducked. In this case we drift out
       if(!duck && on_ground() && old_base.x == base.x && old_base.y == base.y
-              && collision_object_map(&base)) {
-          base.x += frame_ratio * WALK_SPEED * (dir ? 1 : -1);
-          previous_base = old_base = base;
+         && collision_object_map(&base)) {
+        base.x += frame_ratio * WALK_SPEED * (dir ? 1 : -1);
+        previous_base = old_base = base;
       }
       keep_in_bounds();
-  }
+    }
 
   if (dying == DYING_NOT)
     {
@@ -273,10 +283,10 @@ Player::action(double frame_ratio)
   if (get_current_music() == HERRING_MUSIC && !invincible_timer.check())
     {
       /*
-         no, we are no more invincible
-         or we were not in invincible mode
-         but are we in hurry ?
-       */
+        no, we are no more invincible
+        or we were not in invincible mode
+        but are we in hurry ?
+      */
 
       // FIXME: Move this to gamesession
       if (GameSession::current()->time_left.get_left() < TIME_WARNING)
@@ -284,7 +294,7 @@ Player::action(double frame_ratio)
           /* yes, we are in hurry
              stop the herring_song, prepare to play the correct
              fast level_song !
-           */
+          */
           set_current_music(HURRYUP_MUSIC);
         }
       else