From: Ryan Flegel <rflegel@gmail.com>
Date: Fri, 13 Jun 2008 06:06:03 +0000 (+0000)
Subject: Bomb is now portable
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=8f3c5b1261e44fdb9a8d9e37879170ae2caf5937;p=supertux.git

Bomb is now portable

SVN-Revision: 5568
---

diff --git a/src/badguy/bomb.cpp b/src/badguy/bomb.cpp
index 5327515ab..540b28970 100644
--- a/src/badguy/bomb.cpp
+++ b/src/badguy/bomb.cpp
@@ -24,7 +24,7 @@
 #include "object/explosion.hpp"
 
 Bomb::Bomb(const Vector& pos, Direction dir, std::string custom_sprite /*= "images/creatures/mr_bomb/mr_bomb.sprite"*/ )
-        : BadGuy( pos, dir, custom_sprite )
+        : BadGuy( pos, dir, custom_sprite ), grabbed(false), grabber(NULL)
 {
   state = STATE_TICKING;
   set_action(dir == LEFT ? "ticking-left" : "ticking-right", 1);
@@ -39,7 +39,7 @@ Bomb::Bomb(const Vector& pos, Direction dir, std::string custom_sprite /*= "imag
 }
 
 Bomb::Bomb(const Bomb& other)
-        : BadGuy(other), state(other.state)
+        : BadGuy(other), Portable(other), state(other.state)
 {
   if (state == STATE_TICKING) {
     ticking.reset(sound_manager->create_sound_source("sounds/fizz.wav"));
@@ -62,6 +62,8 @@ Bomb::collision_solid(const CollisionHit& hit)
 {
   if(hit.bottom)
     physic.set_velocity_y(0);
+
+    update_on_ground_flag(hit);
 }
 
 HitResponse
@@ -77,12 +79,15 @@ Bomb::collision_badguy(BadGuy& , const CollisionHit& )
 }
 
 void
-Bomb::active_update(float )
+Bomb::active_update(float elapsed_time)
 {
   ticking->set_position(get_pos());
   if(sprite->animation_done()) {
     explode();
   }
+  else if (!grabbed) {
+    movement = physic.get_movement(elapsed_time);
+  }
 }
 
 void
@@ -90,6 +95,16 @@ Bomb::explode()
 {
   ticking->stop();
 
+  // Make the player let go before we explode, otherwise the player is holding
+  // an invalid object. There's probably a better way to do this than in the
+  // Bomb class.
+  if (grabber != NULL) {
+    Player* player = dynamic_cast<Player*>(grabber);
+    
+    if (player)
+        player->stop_grabbing();
+  }
+
   remove_me();
   Explosion* explosion = new Explosion(get_bbox().get_middle());
   Sector::current()->add_object(explosion);
@@ -102,3 +117,29 @@ Bomb::kill_fall()
 {
   explode();
 }
+
+void
+Bomb::grab(MovingObject& object, const Vector& pos, Direction dir)
+{
+  movement = pos - get_pos();
+  this->dir = dir;
+
+  // We actually face the opposite direction of Tux here to make the fuse more
+  // visible instead of hiding it behind Tux
+  sprite->set_action_continued(dir == LEFT ? "ticking-right" : "ticking-left");
+  set_colgroup_active(COLGROUP_DISABLED);
+  grabbed = true;
+  grabber = &object;
+}
+
+void
+Bomb::ungrab(MovingObject& object, Direction dir)
+{
+  this->dir = dir;
+  // portable objects are usually pushed away from Tux when dropped, but we
+  // don't want that, so we set the position
+  set_pos(object.get_pos() + Vector(dir == LEFT ? -16 : 16, get_bbox().get_height()*0.66666 - 32));
+  set_colgroup_active(COLGROUP_MOVING);
+  grabbed = false;
+}
+
diff --git a/src/badguy/bomb.hpp b/src/badguy/bomb.hpp
index e75a32f80..aa864f5a5 100644
--- a/src/badguy/bomb.hpp
+++ b/src/badguy/bomb.hpp
@@ -21,8 +21,9 @@
 #define __BOMB_H__
 
 #include "badguy.hpp"
+#include "object/portable.hpp"
 
-class Bomb : public BadGuy
+class Bomb : public BadGuy, public Portable
 {
 public:
   Bomb(const Vector& pos, Direction dir, std::string custom_sprite = "images/creatures/mr_bomb/bomb.sprite" );
@@ -35,6 +36,8 @@ public:
   void active_update(float elapsed_time);
   void kill_fall();
   void explode();
+  void grab(MovingObject& object, const Vector& pos, Direction dir);
+  void ungrab(MovingObject& object, Direction dir);
 
 private:
   enum State {
@@ -42,6 +45,8 @@ private:
   };
 
   State state;
+  bool grabbed;
+  MovingObject* grabber;
 
   std::auto_ptr<SoundSource> ticking;
 };
diff --git a/src/object/player.hpp b/src/object/player.hpp
index c4e0dbf13..d584a7610 100644
--- a/src/object/player.hpp
+++ b/src/object/player.hpp
@@ -225,6 +225,10 @@ public:
   {
       return grabbed_object;
   }
+  void stop_grabbing()
+  {
+    grabbed_object = NULL;
+  }
 
   /**
    * Switches ghost mode on/off.