src/badguy/stalactite.cpp

   1 #include <config.h>
   2
   3 #include "stalactite.h"
   4
   5 static const int SHAKE_RANGE = 40;
   6 static const float SHAKE_TIME = .8;
   7 static const float SQUISH_TIME = 2;
   8
   9 Stalactite::Stalactite(const lisp::Lisp& lisp)
  10 {
  11   lisp.get("x", start_position.x);
  12   lisp.get("y", start_position.y);
  13   bbox.set_size(31.8, 31.8);
  14   sprite = sprite_manager->create("stalactite");
  15   state = STALACTITE_HANGING;
  16 }
  17
  18 void
  19 Stalactite::write(lisp::Writer& writer)
  20 {
  21   writer.start_list("stalactite");
  22   writer.write_float("x", start_position.x);
  23   writer.write_float("y", start_position.y);
  24   writer.end_list("stalactite");
  25 }
  26
  27 void
  28 Stalactite::active_action(float elapsed_time)
  29 {
  30   if(state == STALACTITE_HANGING) {
  31     Player* player = Sector::current()->player;
  32     if(player->get_bbox().p2.x > bbox.p1.x - SHAKE_RANGE
  33         && player->get_bbox().p1.x < bbox.p2.x + SHAKE_RANGE
  34         && player->get_bbox().p2.y > bbox.p1.y) {
  35       timer.start(SHAKE_TIME);
  36       state = STALACTITE_SHAKING;
  37     }
  38   } else if(state == STALACTITE_SHAKING) {
  39     if(timer.check()) {
  40       state = STALACTITE_FALLING;
  41       physic.enable_gravity(true);
  42     }
  43   } else if(state == STALACTITE_FALLING || state == STALACTITE_SQUISHED) {
  44     movement = physic.get_movement(elapsed_time);
  45     if(state == STALACTITE_SQUISHED && timer.check())
  46       remove_me();
  47   }
  48 }
  49
  50 HitResponse
  51 Stalactite::collision_solid(GameObject& , const CollisionHit& hit)
  52 {
  53   if(state != STALACTITE_FALLING && state != STALACTITE_SQUISHED)
  54     return FORCE_MOVE;
  55
  56   if(fabsf(hit.normal.y) > .5) { // hit floor or roof?
  57     state = STALACTITE_SQUISHED;
  58     physic.set_velocity_y(0);
  59     sprite->set_action("squished");
  60     if(!timer.started())
  61       timer.start(SQUISH_TIME);
  62   }
  63
  64   return CONTINUE;
  65 }
  66
  67 HitResponse
  68 Stalactite::collision_player(Player& player, const CollisionHit& )
  69 {
  70   if(state != STALACTITE_SQUISHED) {
  71     player.kill(Player::SHRINK);
  72   }
  73
  74   return FORCE_MOVE;
  75 }
  76
  77 void
  78 Stalactite::kill_fall()
  79 {
  80 }
  81
  82 void
  83 Stalactite::draw(DrawingContext& context)
  84 {
  85   if(get_state() != STATE_ACTIVE)
  86     return;
  87
  88   if(state == STALACTITE_SHAKING) {
  89     sprite->draw(context, get_pos() + Vector((rand() % 6)-3, 0), LAYER_OBJECTS);
  90   } else {
  91     sprite->draw(context, get_pos(), LAYER_OBJECTS);
  92   }
  93 }
  94
  95 void
  96 Stalactite::deactivate()
  97 {
  98   if(state != STALACTITE_HANGING)
  99     remove_me();
 100 }
 101
 102 IMPLEMENT_FACTORY(Stalactite, "stalactite")