Moved back button to an old dir.
[supertux.git] / src / world.cpp
index 655c60a..fdb1fda 100644 (file)
@@ -52,6 +52,10 @@ World::World(const std::string& filename)
   activate_bad_guys();
   activate_particle_systems();
   get_level()->load_song();
+
+  apply_bonuses();
+
+  scrolling_timer.init(true);
 }
 
 World::World(const std::string& subset, int level_nr)
@@ -69,14 +73,59 @@ World::World(const std::string& subset, int level_nr)
   activate_bad_guys();
   activate_particle_systems();
   get_level()->load_song();
+
+  apply_bonuses();
+
+  scrolling_timer.init(true);
+}
+
+void
+World::apply_bonuses()
+{
+  // Apply bonuses from former levels
+  switch (player_status.bonus)
+    {
+    case PlayerStatus::NO_BONUS:
+      break;
+
+    case PlayerStatus::FLOWER_BONUS:
+      tux.got_coffee = true;
+      // fall through
+
+    case PlayerStatus::GROWUP_BONUS:
+      // FIXME: Move this to Player class
+      tux.size = BIG;
+      tux.base.height = 64;
+      tux.base.y -= 32;
+      break;
+    }
 }
 
 World::~World()
 {
   for (BadGuys::iterator i = bad_guys.begin(); i != bad_guys.end(); ++i)
     delete *i;
+
+  for (ParticleSystems::iterator i = particle_systems.begin();
+          i != particle_systems.end(); ++i)
+    delete *i;
+
+  for (std::vector<BouncyDistro*>::iterator i = bouncy_distros.begin();
+       i != bouncy_distros.end(); ++i)
+    delete *i;
+  
+  for (std::vector<BrokenBrick*>::iterator i = broken_bricks.begin();
+       i != broken_bricks.end(); ++i)
+    delete *i;
+  
+  for (std::vector<BouncyBrick*>::iterator i = bouncy_bricks.begin();
+       i != bouncy_bricks.end(); ++i)
+    delete *i;
+
+  for (std::vector<FloatingScore*>::iterator i = floating_scores.begin();
+       i != floating_scores.end(); ++i)
+    delete *i;
   
-  halt_music(); // just to be sure (because levelmusic is freed now)
   delete level;
 }
 
@@ -131,7 +180,7 @@ World::draw()
   /* Draw the real background */
   if(get_level()->bkgd_image[0] != '\0')
     {
-      int s = ((int)scroll_x / 2)%640;
+      int s = (int)((float)scroll_x * ((float)level->bkgd_speed/60.)) % screen->w;
       level->img_bkgd->draw_part(s, 0,0,0,level->img_bkgd->w - s, level->img_bkgd->h);
       level->img_bkgd->draw_part(0, 0,screen->w - s ,0,s,level->img_bkgd->h);
     }
@@ -169,7 +218,7 @@ World::draw()
 
   /* (Bouncy bricks): */
   for (unsigned int i = 0; i < bouncy_bricks.size(); ++i)
-    bouncy_bricks[i].draw();
+    bouncy_bricks[i]->draw();
 
   for (BadGuys::iterator i = bad_guys.begin(); i != bad_guys.end(); ++i)
     (*i)->draw();
@@ -180,16 +229,16 @@ World::draw()
     bullets[i].draw();
 
   for (unsigned int i = 0; i < floating_scores.size(); ++i)
-    floating_scores[i].draw();
+    floating_scores[i]->draw();
 
   for (unsigned int i = 0; i < upgrades.size(); ++i)
     upgrades[i].draw();
 
   for (unsigned int i = 0; i < bouncy_distros.size(); ++i)
-    bouncy_distros[i].draw();
+    bouncy_distros[i]->draw();
 
   for (unsigned int i = 0; i < broken_bricks.size(); ++i)
-    broken_bricks[i].draw();
+    broken_bricks[i]->draw();
 
   /* Draw foreground: */
   for (y = 0; y < 15; ++y)
@@ -212,30 +261,22 @@ void
 World::action(double frame_ratio)
 {
   tux.action(frame_ratio);
+  scrolling(frame_ratio);
 
   /* Handle bouncy distros: */
   for (unsigned int i = 0; i < bouncy_distros.size(); i++)
-    bouncy_distros[i].action(frame_ratio);
+    bouncy_distros[i]->action(frame_ratio);
 
   /* Handle broken bricks: */
   for (unsigned int i = 0; i < broken_bricks.size(); i++)
-    broken_bricks[i].action(frame_ratio);
-
-  /* Handle distro counting: */
-  if (counting_distros)
-    {
-      distro_counter--;
-
-      if (distro_counter <= 0)
-        counting_distros = -1;
-    }
+    broken_bricks[i]->action(frame_ratio);
 
   // Handle all kinds of game objects
   for (unsigned int i = 0; i < bouncy_bricks.size(); i++)
-    bouncy_bricks[i].action(frame_ratio);
+    bouncy_bricks[i]->action(frame_ratio);
   
   for (unsigned int i = 0; i < floating_scores.size(); i++)
-    floating_scores[i].action(frame_ratio);
+    floating_scores[i]->action(frame_ratio);
 
   for (unsigned int i = 0; i < bullets.size(); ++i)
     bullets[i].action(frame_ratio);
@@ -256,12 +297,92 @@ World::action(double frame_ratio)
   /* Handle all possible collisions. */
   collision_handler();
   
-  { // Cleanup marked badguys
-    for (BadGuys::iterator i = bad_guys.begin(); i != bad_guys.end(); ++i)
-      if ((*i)->is_removable())
-        delete *i;
-    bad_guys.remove_if(std::mem_fun(&BadGuy::is_removable));
+  // Cleanup marked badguys
+  for (BadGuys::iterator i = bad_guys.begin(); i != bad_guys.end();
+      /* ++i handled at end of the loop */) {
+    if ((*i)->is_removable()) {
+      delete *i;
+      i =  bad_guys.erase(i);
+    } else {
+      ++i;
+    }
+  }
+}
+
+// the space that it takes for the screen to start scrolling, regarding
+// screen bounds (in pixels)
+#define X_SPACE (400-16)
+// the time it takes to move the camera (in ms)
+#define CHANGE_DIR_SCROLL_SPEED 2000
+
+/* This functions takes cares of the scrolling */
+void World::scrolling(double frame_ratio)
+{
+  int tux_pos_x = (int)(tux.base.x + (tux.base.width/2));
+
+  if (level->back_scrolling || debug_mode)
+  {
+    if(tux.old_dir != tux.dir && level->back_scrolling)
+      scrolling_timer.start(CHANGE_DIR_SCROLL_SPEED);
+
+    if(scrolling_timer.check())
+    {
+      float final_scroll_x;
+      if (tux.physic.get_velocity_x() > 0)
+        final_scroll_x = tux_pos_x - (screen->w - X_SPACE);
+      else if (tux.physic.get_velocity_x() < 0)
+        final_scroll_x = tux_pos_x - X_SPACE;
+      else
+      {
+        if (tux.dir == RIGHT)
+          final_scroll_x = tux_pos_x - (screen->w - X_SPACE);
+        else if (tux.dir == LEFT && level->back_scrolling)
+          final_scroll_x = tux_pos_x - X_SPACE;
+      }
+
+      scroll_x +=   (final_scroll_x - scroll_x)
+                  / (frame_ratio * (CHANGE_DIR_SCROLL_SPEED / 100))
+                  + (tux.physic.get_velocity_x() * frame_ratio + tux.physic.get_acceleration_x() * frame_ratio * frame_ratio);
+      // std::cerr << tux_pos_x << " " << final_scroll_x << " " << scroll_x << std::endl;
+
+    }
+    else
+    {
+      if (tux.physic.get_velocity_x() > 0 && scroll_x < tux_pos_x - (screen->w - X_SPACE))
+        scroll_x = tux_pos_x - (screen->w - X_SPACE);
+      else if (tux.physic.get_velocity_x() < 0 && scroll_x > tux_pos_x - X_SPACE && level->back_scrolling)
+        scroll_x = tux_pos_x - X_SPACE;
+      else
+      {
+        if (tux.dir == RIGHT && scroll_x < tux_pos_x - (screen->w - X_SPACE))
+            scroll_x = tux_pos_x - (screen->w - X_SPACE);
+        else if (tux.dir == LEFT && scroll_x > tux_pos_x - X_SPACE && level->back_scrolling)
+            scroll_x = tux_pos_x - X_SPACE;
+      }
+    }
+  }
+
+  else /*no debug*/
+  {
+    if (tux.physic.get_velocity_x() > 0 && scroll_x < tux_pos_x - (screen->w - X_SPACE))
+      scroll_x = tux_pos_x - (screen->w - X_SPACE);
+    else if (tux.physic.get_velocity_x() < 0 && scroll_x > tux_pos_x - X_SPACE && level->back_scrolling)
+      scroll_x = tux_pos_x - X_SPACE;
+    else
+    {
+      if (tux.dir == RIGHT && scroll_x < tux_pos_x - (screen->w - X_SPACE))
+          scroll_x = tux_pos_x - (screen->w - X_SPACE);
+      else if (tux.dir == LEFT && scroll_x > tux_pos_x - X_SPACE && level->back_scrolling)
+          scroll_x = tux_pos_x - X_SPACE;
+    }
+
   }
+
+  // this code prevent the screen to scroll before the start or after the level's end
+  if(scroll_x < 0)
+    scroll_x = 0;
+  if(scroll_x > level->width * 32 - screen->w)
+    scroll_x = level->width * 32 - screen->w;
 }
 
 void
@@ -325,7 +446,8 @@ World::collision_handler()
           // functions of the collided objects.
           if (tux.previous_base.y < tux.base.y &&
               tux.previous_base.y + tux.previous_base.height 
-              < (*i)->base.y + (*i)->base.height/2)
+              < (*i)->base.y + (*i)->base.height/2
+              && !tux.invincible_timer.started())
             {
               (*i)->collision(&tux, CO_PLAYER, COLLISION_SQUISH);
             }
@@ -344,7 +466,7 @@ World::collision_handler()
         {
           // We have detected a collision and now call the collision
           // functions of the collided objects.
-          upgrades[i].collision(&tux, CO_PLAYER);
+          upgrades[i].collision(&tux, CO_PLAYER, COLLISION_NORMAL);
         }
     }
 }
@@ -354,16 +476,16 @@ World::add_score(float x, float y, int s)
 {
   player_status.score += s;
 
-  FloatingScore new_floating_score;
-  new_floating_score.init(x,y,s);
+  FloatingScore* new_floating_score = new FloatingScore();
+  new_floating_score->init(x,y,s);
   floating_scores.push_back(new_floating_score);
 }
 
 void
 World::add_bouncy_distro(float x, float y)
 {
-  BouncyDistro new_bouncy_distro;
-  new_bouncy_distro.init(x,y);
+  BouncyDistro* new_bouncy_distro = new BouncyDistro();
+  new_bouncy_distro->init(x,y);
   bouncy_distros.push_back(new_bouncy_distro);
 }
 
@@ -380,16 +502,16 @@ World::add_broken_brick(Tile* tile, float x, float y)
 void
 World::add_broken_brick_piece(Tile* tile, float x, float y, float xm, float ym)
 {
-  BrokenBrick new_broken_brick;
-  new_broken_brick.init(tile, x, y, xm, ym);
+  BrokenBrick* new_broken_brick = new BrokenBrick();
+  new_broken_brick->init(tile, x, y, xm, ym);
   broken_bricks.push_back(new_broken_brick);
 }
 
 void
 World::add_bouncy_brick(float x, float y)
 {
-  BouncyBrick new_bouncy_brick;
-  new_bouncy_brick.init(x,y);
+  BouncyBrick* new_bouncy_brick = new BouncyBrick();
+  new_bouncy_brick->init(x,y);
   bouncy_bricks.push_back(new_bouncy_brick);
 }
 
@@ -428,16 +550,16 @@ World::play_music(int musictype)
   currentmusic = musictype;
   switch(currentmusic) {
     case HURRYUP_MUSIC:
-      ::play_music(get_level()->get_level_music_fast());
+      music_manager->play_music(get_level()->get_level_music_fast());
       break;
     case LEVEL_MUSIC:
-      ::play_music(get_level()->get_level_music());
+      music_manager->play_music(get_level()->get_level_music());
       break;
     case HERRING_MUSIC:
-      ::play_music(herring_song);
+      music_manager->play_music(herring_song);
       break;
     default:
-      ::halt_music();
+      music_manager->halt_music();
       break;
   }
 }
@@ -463,14 +585,22 @@ World::trybreakbrick(float x, float y, bool small)
           add_bouncy_distro(((int)(x + 1) / 32) * 32,
                                   (int)(y / 32) * 32);
 
+          // TODO: don't handle this in a global way but per-tile...
           if (!counting_distros)
             {
               counting_distros = true;
-              distro_counter = 50;
+              distro_counter = 5;
+            }
+          else
+            {
+              distro_counter--;
             }
 
           if (distro_counter <= 0)
-            plevel->change(x, y, TM_IA, tile->next_tile);
+            {
+              counting_distros = false;
+              plevel->change(x, y, TM_IA, tile->next_tile);
+            }
 
           play_sound(sounds[SND_DISTRO], SOUND_CENTER_SPEAKER);
           player_status.score = player_status.score + SCORE_DISTRO;
@@ -583,9 +713,7 @@ World::trybumpbadguy(float x, float y)
           upgrades[i].base.x >= x - 32 && upgrades[i].base.x <= x + 32 &&
           upgrades[i].base.y >= y - 16 && upgrades[i].base.y <= y + 16)
         {
-          upgrades[i].base.xm = -upgrades[i].base.xm;
-          upgrades[i].base.ym = -8;
-          play_sound(sounds[SND_BUMP_UPGRADE], SOUND_CENTER_SPEAKER);
+          upgrades[i].collision(&tux, CO_PLAYER, COLLISION_BUMP);
         }
     }
 }