void
FlipLevelTransformer::transform_badguy(float height, BadGuy& badguy)
{
Vector pos = badguy.get_start_position();
pos.y = height - pos.y;
badguy.set_start_position(pos);
}
HitResponse
Block::collision(GameObject& other, const CollisionHit& )
{
Player* player = dynamic_cast<Player*> (&other);
if(player) {
if(player->get_bbox().get_top() > get_bbox().get_bottom() - 7.0) {
hit(*player);
}
}
// only interact with other objects if...
// 1) we are bouncing
// and
// 2) the object is not portable (either never or not currently)
Portable* portable = dynamic_cast<Portable*> (&other);
if(bouncing && (portable == 0 || (!portable->is_portable()))) {
// Badguys get killed
BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
if(badguy) {
badguy->kill_fall();
}
// Coins get collected
Coin* coin = dynamic_cast<Coin*> (&other);
if(coin) {
coin->collect();
}
}
return SOLID;
}
HitResponse
BonusBlock::collision(GameObject& other, const CollisionHit& hit_){
Player* player = dynamic_cast<Player*> (&other);
if (player) {
if (player->does_buttjump)
try_drop(player);
}
BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
if(badguy) {
// hit contains no information for collisions with blocks.
// Badguy's bottom has to be below the top of the block
// SHIFT_DELTA is required to slide over one tile gaps.
if( badguy->can_break() && ( badguy->get_bbox().get_bottom() > bbox.get_top() + SHIFT_DELTA ) ){
try_open(player);
}
}
Portable* portable = dynamic_cast<Portable*> (&other);
if(portable) {
MovingObject* moving = dynamic_cast<MovingObject*> (&other);
if(moving->get_bbox().get_top() > bbox.get_bottom() - SHIFT_DELTA) {
try_open(player);
}
}
return Block::collision(other, hit_);
}
HitResponse
Brick::collision(GameObject& other, const CollisionHit& hit_){
Player* player = dynamic_cast<Player*> (&other);
if (player) {
if (player->does_buttjump) try_break(player);
if (player->is_stone() && player->get_velocity().y >= 280) try_break(player); // stoneform breaks through bricks
}
BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
if(badguy) {
// hit contains no information for collisions with blocks.
// Badguy's bottom has to be below the top of the brick
// SHIFT_DELTA is required to slide over one tile gaps.
if( badguy->can_break() && ( badguy->get_bbox().get_bottom() > bbox.get_top() + SHIFT_DELTA ) ){
try_break(player);
}
}
Portable* portable = dynamic_cast<Portable*> (&other);
if(portable) {
MovingObject* moving = dynamic_cast<MovingObject*> (&other);
if(moving->get_bbox().get_top() > bbox.get_bottom() - SHIFT_DELTA) {
try_break(player);
}
}
Explosion* explosion = dynamic_cast<Explosion*> (&other);
if(explosion && explosion->hurts()) {
try_break(player);
}
IceCrusher* icecrusher = dynamic_cast<IceCrusher*> (&other);
if(icecrusher && coin_counter == 0)
try_break(player);
return Block::collision(other, hit_);
}
bool
MrIceBlock::collision_squished(GameObject& object)
{
Player* player = dynamic_cast<Player*>(&object);
if(player && (player->does_buttjump || player->is_invincible())) {
player->bounce(*this);
kill_fall();
return true;
}
switch(ice_state) {
case ICESTATE_KICKED:
{
BadGuy* badguy = dynamic_cast<BadGuy*>(&object);
if (badguy) {
badguy->kill_fall();
break;
}
}
// fall through
case ICESTATE_NORMAL:
{
squishcount++;
if (squishcount >= MAXSQUISHES) {
kill_fall();
return true;
}
}
set_state(ICESTATE_FLAT);
nokick_timer.start(NOKICK_TIME);
break;
case ICESTATE_FLAT:
{
MovingObject* movingobject = dynamic_cast<MovingObject*>(&object);
if (movingobject && (movingobject->get_pos().x < get_pos().x)) {
dir = RIGHT;
} else {
dir = LEFT;
}
}
if (nokick_timer.check()) set_state(ICESTATE_KICKED);
break;
case ICESTATE_GRABBED:
assert(false);
break;
}
if (player) player->bounce(*this);
return true;
}
HitResponse
Brick::collision(GameObject& other, const CollisionHit& hit){
BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
if(badguy) {
// hit contains no information for collisions with blocks.
// Badguy's bottom has to be below the top of the brick
// +7 is required to slide over one tile gaps.
if( badguy->can_break() && ( badguy->get_bbox().get_bottom() > get_bbox().get_top() + 7.0 ) ){
try_break(false);
}
}
return Block::collision(other, hit);
}
HitResponse
HurtingPlatform::collision(GameObject& other, const CollisionHit& )
{
Player* player = dynamic_cast<Player*>(&other);
if (player) {
player->kill(false);
}
BadGuy* badguy = dynamic_cast<BadGuy*>(&other);
if (badguy) {
badguy->kill_fall();
}
return FORCE_MOVE;
}
HitResponse
BadGuy::collision(GameObject& other, const CollisionHit& hit)
{
if (!is_active()) return ABORT_MOVE;
BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
if(badguy && badguy->is_active() && badguy->get_group() == COLGROUP_MOVING) {
/* Badguys don't let badguys squish other badguys. It's bad. */
#if 0
// hit from above?
if (badguy->get_bbox().p2.y < (bbox.p1.y + 16)) {
if(collision_squished(*badguy)) {
return ABORT_MOVE;
}
}
#endif
return collision_badguy(*badguy, hit);
}
Player* player = dynamic_cast<Player*> (&other);
if(player) {
// hit from above?
if (player->get_bbox().p2.y < (bbox.p1.y + 16)) {
if(player->is_stone()) {
kill_fall();
return FORCE_MOVE;
}
if(collision_squished(*player)) {
return FORCE_MOVE;
}
}
if(player->is_stone()) {
collision_solid(hit);
return FORCE_MOVE;
}
return collision_player(*player, hit);
}
Bullet* bullet = dynamic_cast<Bullet*> (&other);
if(bullet)
return collision_bullet(*bullet, hit);
return FORCE_MOVE;
}
HitResponse
Kugelblitz::collision_badguy(BadGuy& other , const CollisionHit& chit)
{
//Let the Kugelblitz explode, too? The problem with that is that
//two Kugelblitzes would cancel each other out on contact...
other.kill_fall();
return hit(chit);
}
HitResponse
Stalactite::collision_badguy(BadGuy& other, const CollisionHit& hit)
{
if (state == STALACTITE_SQUISHED) return FORCE_MOVE;
// ignore other Stalactites
if (dynamic_cast<Stalactite*>(&other)) return FORCE_MOVE;
if (state != STALACTITE_FALLING) return BadGuy::collision_badguy(other, hit);
if (other.is_freezable()) {
other.freeze();
} else {
other.kill_fall();
}
return FORCE_MOVE;
}
HitResponse
Explosion::collision(GameObject& other, const CollisionHit& )
{
if ((state != STATE_EXPLODING) || !hurt)
return ABORT_MOVE;
Player* player = dynamic_cast<Player*>(&other);
if(player != 0) {
player->kill(false);
}
BadGuy* badguy = dynamic_cast<BadGuy*>(&other);
if(badguy != 0) {
badguy->kill_fall();
}
return ABORT_MOVE;
}
HitResponse
AngryStone::collision_badguy(BadGuy& badguy, const CollisionHit& )
{
if (state == ATTACKING) {
badguy.kill_fall();
return FORCE_MOVE;
}
return FORCE_MOVE;
}
HitResponse
Block::collision(GameObject& other, const CollisionHit& )
{
Player* player = dynamic_cast<Player*> (&other);
if(player) {
if(player->get_bbox().get_top() > get_bbox().get_bottom() - SHIFT_DELTA) {
hit(*player);
}
}
// only interact with other objects if...
// 1) we are bouncing
// 2) the object is not portable (either never or not currently)
// 3) the object is being hit from below (baguys don't get killed for activating boxes)
Portable* portable = dynamic_cast<Portable*> (&other);
MovingObject* moving_object = dynamic_cast<MovingObject*> (&other);
bool is_portable = ((portable != 0) && portable->is_portable());
bool hit_mo_from_below = ((moving_object == 0) || (moving_object->get_bbox().get_bottom() < (get_bbox().get_top() + SHIFT_DELTA)));
if(bouncing && !is_portable && hit_mo_from_below) {
// Badguys get killed
BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
if(badguy) {
badguy->kill_fall();
}
// Coins get collected
Coin* coin = dynamic_cast<Coin*> (&other);
if(coin) {
coin->collect();
}
//Eggs get jumped
GrowUp* growup = dynamic_cast<GrowUp*> (&other);
if(growup) {
growup->do_jump();
}
}
return FORCE_MOVE;
}
HitResponse
BonusBlock::collision(GameObject& other, const CollisionHit& hit){
BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
if(badguy) {
// hit contains no information for collisions with blocks.
// Badguy's bottom has to be below the top of the bonusblock
// +7 is required to slide over one tile gaps.
if( badguy->can_break() && ( badguy->get_bbox().get_bottom() > get_bbox().get_top() + 7.0) ){
try_open();
}
}
Portable* portable = dynamic_cast<Portable*> (&other);
if(portable) {
MovingObject* moving = dynamic_cast<MovingObject*> (&other);
if(moving->get_bbox().get_top() > get_bbox().get_bottom() - 7.0) {
try_open();
}
}
return Block::collision(other, hit);
}
HitResponse
MoleRock::collision_badguy(BadGuy& badguy, const CollisionHit& )
{
// ignore collisions with parent
if (&badguy == parent) {
return FORCE_MOVE;
}
SoundManager::current()->play("sounds/stomp.wav", get_pos());
remove_me();
badguy.kill_fall();
return ABORT_MOVE;
}
HitResponse
Block::collision(GameObject& other, const CollisionHit& )
{
Player* player = dynamic_cast<Player*> (&other);
if(player) {
if(player->get_bbox().get_top() > get_bbox().get_bottom() - 7.0) {
hit(*player);
}
}
if(bouncing) {
BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
if(badguy) {
badguy->kill_fall();
}
Coin* coin = dynamic_cast<Coin*> (&other);
if(coin) {
coin->collect();
}
}
return SOLID;
}
HitResponse
IceCrusher::collision(GameObject& other, const CollisionHit& hit)
{
Player* player = dynamic_cast<Player*>(&other);
/* If the other object is the player, and the collision is at the bottom of
* the ice crusher, hurt the player. */
if (player && hit.bottom) {
SoundManager::current()->play("sounds/brick.wav");
if (state == CRUSHING)
set_state(RECOVERING);
if(player->is_invincible()) {
return ABORT_MOVE;
}
player->kill(false);
return FORCE_MOVE;
}
BadGuy* badguy = dynamic_cast<BadGuy*>(&other);
if (badguy) {
badguy->kill_fall();
}
return FORCE_MOVE;
}
HitResponse
BadGuy::collision(GameObject& other, const CollisionHit& hit)
{
if (!is_active()) return ABORT_MOVE;
BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
if(badguy && badguy->is_active() && badguy->get_group() == COLGROUP_MOVING) {
// hit from above?
if (badguy->get_bbox().p2.y < (bbox.p1.y + 16)) {
if(collision_squished(*badguy)) {
return ABORT_MOVE;
}
}
return collision_badguy(*badguy, hit);
}
Player* player = dynamic_cast<Player*> (&other);
if(player) {
// hit from above?
if (player->get_bbox().p2.y < (bbox.p1.y + 16)) {
if(collision_squished(*player)) {
return FORCE_MOVE;
}
}
return collision_player(*player, hit);
}
Bullet* bullet = dynamic_cast<Bullet*> (&other);
if(bullet)
return collision_bullet(*bullet, hit);
return FORCE_MOVE;
}
HitResponse
MrIceBlock::collision_badguy(BadGuy& badguy, const CollisionHit& hit)
{
switch(ice_state) {
case ICESTATE_NORMAL:
return WalkingBadguy::collision_badguy(badguy, hit);
case ICESTATE_FLAT:
return FORCE_MOVE;
case ICESTATE_KICKED:
badguy.kill_fall();
return FORCE_MOVE;
default:
assert(false);
}
return ABORT_MOVE;
}
HitResponse
Snail::collision_badguy(BadGuy& badguy, const CollisionHit& hit)
{
if (m_frozen)
return WalkingBadguy::collision_badguy(badguy, hit);
switch (state) {
case STATE_NORMAL:
return WalkingBadguy::collision_badguy(badguy, hit);
case STATE_FLAT:
case STATE_KICKED_DELAY:
return FORCE_MOVE;
case STATE_KICKED:
badguy.kill_fall();
return FORCE_MOVE;
default:
assert(false);
}
return ABORT_MOVE;
}
HitResponse
SnowSnail::collision_badguy(BadGuy& badguy, const CollisionHit& hit)
{
switch(ice_state) {
case ICESTATE_NORMAL:
if(fabsf(hit.normal.x) > .8) {
dir = dir == LEFT ? RIGHT : LEFT;
sprite->set_action(dir == LEFT ? "left" : "right");
physic.set_velocity_x(-physic.get_velocity_x());
}
return CONTINUE;
case ICESTATE_FLAT:
return FORCE_MOVE;
case ICESTATE_KICKED:
badguy.kill_fall();
return FORCE_MOVE;
default:
assert(false);
}
return ABORT_MOVE;
}
void
Player::update(float elapsed_time)
{
if(dying && dying_timer.check()) {
dead = true;
return;
}
if(!dying && !deactivated)
handle_input();
// handle_input() calls apply_friction() when Tux is not walking, so we'll have to do this ourselves
if (deactivated) apply_friction();
// extend/shrink tux collision rectangle so that we fall through/walk over 1
// tile holes
if(fabsf(physic.get_velocity_x()) > MAX_WALK_XM) {
set_width(34);
} else {
set_width(31.8);
}
// on downward slopes, adjust vertical velocity so tux walks smoothly down
if (on_ground()) {
if(floor_normal.y != 0) {
if ((floor_normal.x * physic.get_velocity_x()) >= 0) {
physic.set_velocity_y(250);
}
}
}
// handle backflipping
if (backflipping) {
//prevent player from changing direction when backflipping
dir = (backflip_direction == 1) ? LEFT : RIGHT;
if (backflip_timer.started()) physic.set_velocity_x(100 * backflip_direction);
}
// set fall mode...
if(on_ground()) {
fall_mode = ON_GROUND;
last_ground_y = get_pos().y;
} else {
if(get_pos().y > last_ground_y)
fall_mode = FALLING;
else if(fall_mode == ON_GROUND)
fall_mode = JUMPING;
}
// check if we landed
if(on_ground()) {
jumping = false;
if (backflipping && (!backflip_timer.started())) {
backflipping = false;
backflip_direction = 0;
// if controls are currently deactivated, we take care of standing up ourselves
if (deactivated) do_standup();
}
}
#if 0
// Do butt jump
if (butt_jump && on_ground() && is_big()) {
// Add a smoke cloud
if (duck)
Sector::current()->add_smoke_cloud(Vector(get_pos().x - 32, get_pos().y));
else
Sector::current()->add_smoke_cloud(
Vector(get_pos().x - 32, get_pos().y + 32));
butt_jump = false;
// Break bricks beneath Tux
if(Sector::current()->trybreakbrick(
Vector(base.x + 1, base.y + base.height), false)
|| Sector::current()->trybreakbrick(
Vector(base.x + base.width - 1, base.y + base.height), false)) {
physic.set_velocity_y(-2);
butt_jump = true;
}
// Kill nearby badguys
std::vector<GameObject*> gameobjects = Sector::current()->gameobjects;
for (std::vector<GameObject*>::iterator i = gameobjects.begin();
i != gameobjects.end();
i++) {
BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
if(badguy) {
// don't kill when badguys are already dying or in a certain mode
if(badguy->dying == DYING_NOT && badguy->mode != BadGuy::BOMB_TICKING &&
badguy->mode != BadGuy::BOMB_EXPLODE) {
if (fabsf(base.x - badguy->base.x) < 96 &&
fabsf(base.y - badguy->base.y) < 64)
badguy->kill_me(25);
}
}
}
}
#endif
// calculate movement for this frame
movement = physic.get_movement(elapsed_time);
if(grabbed_object != NULL && !dying) {
Vector pos = get_pos() +
Vector(dir == LEFT ? -16 : 16, get_bbox().get_height()*0.66666 - 32);
grabbed_object->grab(*this, pos, dir);
}
if(grabbed_object != NULL && dying){
grabbed_object->ungrab(*this, dir);
grabbed_object = NULL;
}
on_ground_flag = false;
}
