added inheritance diagram for the gameobjects
[supertux.git] / src / player.cpp
index e0fd003..2dad290 100644 (file)
 #include "sprite.h"
 #include "screen.h"
 
+// behavior definitions:
+#define TILES_FOR_BUTTJUMP 3
+// animation times (in ms):
+#define SHOOTING_TIME 320
+// others stuff:
 #define AUTOSCROLL_DEAD_INTERVAL 300
 
 Surface* tux_life;
@@ -36,6 +41,8 @@ Surface* tux_life;
 Sprite* smalltux_gameover;
 Sprite* smalltux_star;
 Sprite* largetux_star;
+Sprite* growingtux_left;
+Sprite* growingtux_right;
 
 PlayerSprite smalltux;
 PlayerSprite largetux;
@@ -64,11 +71,20 @@ void player_input_init(player_input_type* pplayer_input)
   pplayer_input->old_up = UP;
 }
 
+Player::Player(DisplayManager& display_manager)
+{
+  display_manager.add_drawable(this, LAYER_OBJECTS-1); // for tux himself
+  display_manager.add_drawable(this, LAYER_OBJECTS+1); // for the arm
+  init();
+}
+
+Player::~Player()
+{
+}
+
 void
 Player::init()
 {
-  Level* plevel = World::current()->get_level();
-
   holding_something = false;
 
   base.width = 32;
@@ -77,16 +93,17 @@ Player::init()
   size = SMALL;
   got_power = NONE_POWER;
 
-  base.x = plevel->start_pos_x;
-  base.y = plevel->start_pos_y;
-  base.xm = 0;
-  base.ym = 0;
+  base.x = 0;
+  base.y = 0;
   previous_base = old_base = base;
   dir = RIGHT;
   old_dir = dir;
   duck = false;
+  dead = false;
 
   dying   = DYING_NOT;
+  last_ground_y = 0;
+  fall_mode = ON_GROUND;
   jumping = false;
   can_jump = true;
   butt_jump = false;
@@ -101,6 +118,8 @@ Player::init()
   safe_timer.init(true);
   frame_timer.init(true);
   kick_timer.init(true);
+  shooting_timer.init(true);
+  growing_timer.init(true);
 
   physic.reset();
 }
@@ -144,8 +163,6 @@ Player::level_begin()
 {
   base.x  = 100;
   base.y  = 170;
-  base.xm = 0;
-  base.ym = 0;
   previous_base = old_base = base;
   duck = false;
 
@@ -157,15 +174,21 @@ Player::level_begin()
   skidding_timer.init(true);
   safe_timer.init(true);
   frame_timer.init(true);
+  growing_timer.init(true);
 
   physic.reset();
 }
 
 void
-Player::action(double frame_ratio)
+Player::action(float elapsed_time)
 {
   bool jumped_in_solid = false;
 
+  if(dying && !dying_timer.check()) {
+    dead = true;
+    return;
+  }
+
   if (input.fire == UP)
     holding_something = false;
 
@@ -176,7 +199,7 @@ Player::action(double frame_ratio)
   if(dying == DYING_NOT)
     handle_input();
 
-  physic.apply(frame_ratio, base.x, base.y);
+  physic.apply(elapsed_time, base.x, base.y);
 
   if(dying == DYING_NOT) 
     {
@@ -184,7 +207,7 @@ Player::action(double frame_ratio)
 
       collision_swept_object_map(&old_base, &base);
 
-      if (!invincible_timer.started()
+      if ((!invincible_timer.started() && !safe_timer.started())
           && (isspike(base.x, base.y) || isspike(base.x + base.width, base.y)
           ||  isspike(base.x, base.y + base.height)
           ||  isspike(base.x + base.width, base.y + base.height)))
@@ -203,7 +226,7 @@ Player::action(double frame_ratio)
       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);
+          base.x += elapsed_time * WALK_SPEED * (dir ? 1: -1);
           previous_base = old_base = base;
         }
 
@@ -289,7 +312,10 @@ Player::on_ground()
 {
   return ( issolid(base.x + base.width / 2, base.y + base.height) ||
            issolid(base.x + 1, base.y + base.height) ||
-           issolid(base.x + base.width - 1, base.y + base.height)  );
+           issolid(base.x + base.width - 1, base.y + base.height) ||
+          isunisolid(base.x + base.width / 2, base.y + base.height) ||
+          isunisolid(base.x + 1, base.y + base.height) ||
+          isunisolid(base.x + base.width - 1, base.y + base.height) );
 }
 
 bool
@@ -300,6 +326,19 @@ Player::under_solid()
            issolid(base.x + base.width - 1, base.y)  );
 }
 
+bool
+Player::tiles_on_air(int tiles)
+{
+  for(int t = 0; t != tiles; t++)
+     {
+     if(issolid(base.x + base.width / 2, base.y + base.height + (tiles*32)) ||
+         issolid(base.x + 1, base.y + base.height + (tiles*32)) ||
+         issolid(base.x + base.width - 1, base.y + base.height + (tiles*32)))
+       return false;
+     }
+  return true;
+}
+
 void
 Player::handle_horizontal_input()
 {
@@ -389,49 +428,65 @@ Player::handle_horizontal_input()
 void
 Player::handle_vertical_input()
 {
+  // set fall mode...
+  if(on_ground()) {
+    fall_mode = ON_GROUND;
+    last_ground_y = base.y;
+  } else {
+    if(base.y > last_ground_y)
+      fall_mode = FALLING;
+    else if(fall_mode == ON_GROUND)
+      fall_mode = JUMPING;
+  }
+
   // Press jump key
-  if(input.up == DOWN && can_jump)
+  if(input.up == DOWN && can_jump && on_ground())
     {
-      if (on_ground())
-        {
-          // jump higher if we are running
-          if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
-            physic.set_velocity_y(5.8);
-          else
-            physic.set_velocity_y(5.2);
+      if(duck) { // only jump a little bit when in duck mode {
+        physic.set_velocity_y(3);
+      } else {
+        // jump higher if we are running
+        if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
+          physic.set_velocity_y(5.8);
+        else
+          physic.set_velocity_y(5.2);
+      }
 
-          --base.y;
-          jumping = true;
-          can_jump = false;
-          if (size == SMALL)
-            play_sound(sounds[SND_JUMP], SOUND_CENTER_SPEAKER);
-          else
-            play_sound(sounds[SND_BIGJUMP], SOUND_CENTER_SPEAKER);
-        }
+      --base.y;
+      jumping = true;
+      can_jump = false;
+      if (size == SMALL)
+        play_sound(sounds[SND_JUMP], SOUND_CENTER_SPEAKER);
+      else
+        play_sound(sounds[SND_BIGJUMP], SOUND_CENTER_SPEAKER);
     }
   // Let go of jump key
-  else if(input.up == UP && jumping)
+  else if(input.up == UP && jumping && physic.get_velocity_y() > 0)
     {
       jumping = false;
-      if(physic.get_velocity_y() > 0) {
-        physic.set_velocity_y(0);
-      }
+      physic.set_velocity_y(0);
     }
 
-  if (input.down == DOWN && !on_ground() && !duck)
-    butt_jump = true;
-  else if (input.down == UP)
-    butt_jump = false;
-  if (input.down == DOWN && butt_jump && on_ground())
-  {
-    if (isbrick(base.x, base.y + base.height))
-      World::current()->trybreakbrick(base.x, base.y + base.height, false);
-    if (isbrick(base.x + base.width, base.y + base.height))
-      World::current()->trybreakbrick(base.x + base.width, base.y + base.height, false);
+   /* In case the player has pressed Down while in a certain range of air,
+      enable butt jump action */
+  if (input.down == DOWN && !butt_jump)
+    if(tiles_on_air(TILES_FOR_BUTTJUMP))
+      butt_jump = true;
 
+   /* When Down is not held anymore, disable butt jump */
+  if(butt_jump && input.down == UP)
     butt_jump = false;
-  }
 
+  if (butt_jump && on_ground() && size == BIG)
+  {
+    if(World::current()->trybreakbrick(base.x, base.y + base.height, false)
+      || World::current()->trybreakbrick(
+          base.x + base.width, base.y + base.height, false)) {
+        // make tux jumping a little bit again after breaking the bricks
+        physic.set_velocity_y(2);
+    }
+//    butt_jump = false;   // comment this, in case you won't to disable the continued use of buttjump
+  }
 
   if ( (issolid(base.x + base.width / 2, base.y + base.height + 64) ||
         issolid(base.x + 1, base.y + base.height + 64) ||
@@ -444,6 +499,9 @@ Player::handle_vertical_input()
       can_jump = true;
     }
 
+  if(on_ground())   /* Make sure jumping is off. */
+    jumping = false;
+
   input.old_up = input.up;
 }
 
@@ -457,16 +515,14 @@ Player::handle_input()
 
   if (on_ground() && input.up == UP)
     can_jump = true;
-  if (input.up == DOWN || (input.up == UP && jumping))
-    {
-      handle_vertical_input();
-    }
+  handle_vertical_input();
 
   /* Shoot! */
-
   if (input.fire == DOWN && input.old_fire == UP && got_power != NONE_POWER)
     {
-      World::current()->add_bullet(base.x, base.y, physic.get_velocity_x(), dir);
+      if(World::current()->add_bullet(Vector(base.x, base.y + (base.height/2)),
+          physic.get_velocity_x(), dir))
+        shooting_timer.start(SHOOTING_TIME);
       input.old_fire = DOWN;
     }
 
@@ -501,18 +557,26 @@ Player::handle_input()
       // changing base size confuses collision otherwise
       old_base = previous_base = base;
     }
-  else if(input.down == UP && size == BIG && duck && physic.get_velocity_y() == 0 && on_ground())
+  else if(input.down == UP && size == BIG && duck)
     {
-      duck = false;
+      // try if we can really unduck
       base.y -= 32;
       base.height = 64;
-      // changing base size confuses collision otherwise
-      old_base = previous_base = base;                        
+      // when unducking in air we need some space to do so
+      if(on_ground() || !collision_object_map(base)) {
+        duck = false;
+        // changing base size confuses collision otherwise
+        old_base = previous_base = base;                                
+      } else {
+        // undo the ducking changes
+        base.y += 32;
+        base.height = 32;
+      }   
     }
 }
 
 void
-Player::grow()
+Player::grow(bool animate)
 {
   if(size == BIG)
     return;
@@ -521,6 +585,9 @@ Player::grow()
   base.height = 64;
   base.y -= 32;
 
+  if(animate)
+    growing_timer.start((int)((growingtux_left->get_frames() / growingtux_left->get_fps()) * 1000));
+
   old_base = previous_base = base;
 }
 
@@ -556,104 +623,127 @@ Player::grabdistros()
 }
 
 void
-Player::draw()
+Player::draw(Camera& viewport, int layer)
 {
+  PlayerSprite* sprite;
+          
+  if (size == SMALL)
+    sprite = &smalltux;
+  else if (got_power == FIRE_POWER)
+    sprite = &firetux;
+  else if (got_power == ICE_POWER)
+    sprite = &icetux;
+  else
+    sprite = &largetux;
+
+  Vector pos = viewport.world2screen(Vector(base.x, base.y));
+
+  if(layer == LAYER_OBJECTS + 1) {
+    // Draw arm overlay graphics when Tux is holding something
+    if ((holding_something && physic.get_velocity_y() == 0) || shooting_timer.check() && !duck)
+    {
+      if (dir == RIGHT)
+        sprite->grab_right->draw(pos);
+      else
+        sprite->grab_left->draw(pos);
+    }
+
+    // Draw blinking star overlay
+    if (invincible_timer.started() &&
+        (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3))
+    {
+      if (size == SMALL || duck)
+        smalltux_star->draw(pos);
+      else
+        largetux_star->draw(pos);
+    }
+    
+    return;
+  }
+  
   if (!safe_timer.started() || (global_frame_counter % 2) == 0)
     {
       if (dying == DYING_SQUISHED)
         {
-          smalltux_gameover->draw(base.x, base.y);
+          smalltux_gameover->draw(pos);
         }
       else
         {
-          PlayerSprite* sprite;
-          
-          if (size == SMALL)
-            sprite = &smalltux;
-          else if (got_power == FIRE_POWER)
-            sprite = &firetux;
-          else if (got_power == ICE_POWER)
-            sprite = &icetux;
-          else
-            sprite = &largetux;
-          
-          if (duck && size != SMALL)
+          if(growing_timer.check())
             {
               if (dir == RIGHT)
-                sprite->duck_right->draw(base.x, base.y);
+                growingtux_right->draw(pos);
               else 
-                sprite->duck_left->draw(base.x, base.y);
+                growingtux_left->draw(pos);
+            }
+          else if (duck && size != SMALL)
+            {
+              if (dir == RIGHT)
+                sprite->duck_right->draw(pos);
+              else 
+                sprite->duck_left->draw(pos);
             }
           else if (skidding_timer.started())
             {
               if (dir == RIGHT)
-                sprite->skid_right->draw(base.x, base.y);
+                sprite->skid_right->draw(pos);
               else
-                sprite->skid_left->draw(base.x, base.y); 
+                sprite->skid_left->draw(pos); 
             }
           else if (kick_timer.started())
             {
               if (dir == RIGHT)
-                sprite->kick_right->draw(base.x, base.y);
+                sprite->kick_right->draw(pos);
               else
-                sprite->kick_left->draw(base.x, base.y); 
+                sprite->kick_left->draw(pos); 
             }
           else if (physic.get_velocity_y() != 0)
             {
               if (dir == RIGHT)
-                sprite->jump_right->draw(base.x, base.y);
+                sprite->jump_right->draw(pos);
               else
-                sprite->jump_left->draw(base.x, base.y);                   
+                sprite->jump_left->draw(pos);                   
             }
           else
             {
               if (fabsf(physic.get_velocity_x()) < 1.0f) // standing
                 {
                   if (dir == RIGHT)
-                    sprite->stand_right->draw( base.x, base.y);
+                    sprite->stand_right->draw(pos);
                   else
-                    sprite->stand_left->draw( base.x, base.y);
+                    sprite->stand_left->draw(pos);
                 }
               else // moving
                 {
                   if (dir == RIGHT)
-                    sprite->walk_right->draw(base.x, base.y);
+                    sprite->walk_right->draw(pos);
                   else
-                    sprite->walk_left->draw(base.x, base.y);
+                    sprite->walk_left->draw(pos);
                 }
             }
-                      
-          // Draw arm overlay graphics when Tux is holding something
-          if (holding_something && physic.get_velocity_y() == 0)
-            {
-              if (dir == RIGHT)
-                sprite->grab_right->draw(base.x, base.y);
-              else
-                sprite->grab_left->draw(base.x, base.y);
-            }
-
-          // Draw blinking star overlay
-          if (invincible_timer.started() &&
-             (invincible_timer.get_left() > TUX_INVINCIBLE_TIME_WARNING || global_frame_counter % 3))
-            {
-              if (size == SMALL || duck)
-                smalltux_star->draw(base.x, base.y);
-              else
-                largetux_star->draw(base.x, base.y);
-            }
         }
     }     
   
   if (debug_mode)
-    fillrect(base.x - scroll_x, base.y - scroll_y, 
+    fillrect(base.x - viewport.get_translation().x,
+        base.y - viewport.get_translation().y, 
              base.width, base.height, 75,75,75, 150);
 }
 
 void
+Player::collision(const MovingObject& other, int collision_type)
+{
+  (void) other;
+  (void) collision_type;
+  // will be implemented later
+}
+
+void
 Player::collision(void* p_c_object, int c_object)
 {
   BadGuy* pbad_c = NULL;
   Trampoline* ptramp_c = NULL;
+  FlyingPlatform* pplatform_c = NULL;
 
   switch (c_object)
     {
@@ -744,7 +834,16 @@ Player::collision(void* p_c_object, int c_object)
         }
       }
 */
-
+      break;
+    case CO_FLYING_PLATFORM:
+      pplatform_c = (FlyingPlatform*) p_c_object;
+      
+      base.y = pplatform_c->base.y - base.height;
+      physic.set_velocity_x(pplatform_c->get_vel_x());
+      
+      physic.enable_gravity(false);
+      can_jump = true;
+      fall_mode = ON_GROUND;
       break;
 
     default:
@@ -758,6 +857,9 @@ Player::collision(void* p_c_object, int c_object)
 void
 Player::kill(HurtMode mode)
 {
+  if(dying)
+    return;
+  
   play_sound(sounds[SND_HURT], SOUND_CENTER_SPEAKER);
 
   physic.set_velocity_x(0);
@@ -781,28 +883,12 @@ Player::kill(HurtMode mode)
       physic.enable_gravity(true);
       physic.set_acceleration(0, 0);
       physic.set_velocity(0, 7);
-      if(dying != DYING_SQUISHED)
       --player_status.lives;
       dying = DYING_SQUISHED;
+      dying_timer.start(3000);
     }
 }
 
-void
-Player::is_dying()
-{
-  remove_powerups();
-  dying = DYING_NOT;
-}
-
-bool Player::is_dead()
-{
-  if(base.y > screen->h + scroll_y ||
-      base.x < scroll_x - AUTOSCROLL_DEAD_INTERVAL)  // can happen in auto-scrolling
-    return true;
-  else
-    return false;
-}
-
 /* Remove Tux's power ups */
 void
 Player::remove_powerups()
@@ -813,7 +899,15 @@ Player::remove_powerups()
 }
 
 void
-Player::check_bounds(bool back_scrolling, bool hor_autoscroll)
+Player::move(const Vector& vector)
+{
+  base.x = vector.x;
+  base.y = vector.y;
+  old_base = previous_base = base;
+}
+
+void
+Player::check_bounds(Camera& viewport)
 {
   /* Keep tux in bounds: */
   if (base.x < 0)
@@ -826,21 +920,27 @@ Player::check_bounds(bool back_scrolling, bool hor_autoscroll)
   if (base.y > World::current()->get_level()->height * /*TILE_HEIGHT*/ 32)
     {
       kill(KILL);
+      return;
     }
 
-  if(base.x < scroll_x && (!back_scrolling || hor_autoscroll))  // can happen if back scrolling is disabled
-    base.x = scroll_x;
-
-  if(hor_autoscroll)
-    {
-    if(base.x == scroll_x)
-      if(issolid(base.x+32, base.y) || (size != SMALL && issolid(base.x+32, base.y+32)))
-        kill(KILL);
+  bool adjust = false;
+  // can happen if back scrolling is disabled
+  if(base.x < viewport.get_translation().x) {
+    base.x = viewport.get_translation().x;
+    adjust = true;
+  }
+  if(base.x >= viewport.get_translation().x + screen->w - base.width) {
+    base.x = viewport.get_translation().x + screen->w - base.width;
+    adjust = true;
+  }
 
-    if(base.x + base.width > scroll_x + screen->w)
-      base.x = scroll_x + screen->w - base.width;
+  if(adjust) {
+    // squished now?
+    if(collision_object_map(base)) {
+      kill(KILL);
+      return;
     }
-    
+  }
 }
 
 // EOF //