void
Sector::draw(DrawingContext& context)
{
context.set_ambient_color( ambient_light );
context.push_transform();
context.set_translation(camera->get_translation());
for(auto i = gameobjects.begin(); i != gameobjects.end(); ++i) {
GameObjectPtr& object = *i;
if(!object->is_valid())
continue;
if (draw_solids_only)
{
TileMap* tm = dynamic_cast<TileMap*>(object.get());
if (tm && !tm->is_solid())
continue;
}
object->draw(context);
}
if(show_collrects) {
Color color(1.0f, 0.0f, 0.0f, 0.75f);
for(auto i = moving_objects.begin(); i != moving_objects.end(); ++i) {
MovingObject* object = *i;
const Rectf& rect = object->get_bbox();
context.draw_filled_rect(rect, color, LAYER_FOREGROUND1 + 10);
}
}
context.pop_transform();
}
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_);
}
void
FlipLevelTransformer::transform_moving_object(float height, MovingObject& object)
{
Vector pos = object.get_pos();
pos.y = height - pos.y - object.get_bbox().get_height();
object.set_pos(pos);
}
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_);
}
void
Sector::collision_tilemap(collision::Constraints* constraints,
const Vector& movement, const Rectf& dest,
MovingObject& object) const
{
// calculate rectangle where the object will move
float x1 = dest.get_left();
float x2 = dest.get_right();
float y1 = dest.get_top();
float y2 = dest.get_bottom();
for(auto i = solid_tilemaps.begin(); i != solid_tilemaps.end(); i++) {
TileMap* solids = *i;
// test with all tiles in this rectangle
Rect test_tiles = solids->get_tiles_overlapping(Rectf(x1, y1, x2, y2));
for(int x = test_tiles.left; x < test_tiles.right; ++x) {
for(int y = test_tiles.top; y < test_tiles.bottom; ++y) {
const Tile* tile = solids->get_tile(x, y);
if(!tile)
continue;
// skip non-solid tiles
if(!tile->is_solid ())
continue;
Rectf tile_bbox = solids->get_tile_bbox(x, y);
/* If the tile is a unisolid tile, the "is_solid()" function above
* didn't do a thorough check. Calculate the position and (relative)
* movement of the object and determine whether or not the tile is
* solid with regard to those parameters. */
if(tile->is_unisolid ()) {
Vector relative_movement = movement
- solids->get_movement(/* actual = */ true);
if (!tile->is_solid (tile_bbox, object.get_bbox(), relative_movement))
continue;
} /* if (tile->is_unisolid ()) */
if(tile->is_slope ()) { // slope tile
AATriangle triangle;
int slope_data = tile->getData();
if (solids->get_drawing_effect() & VERTICAL_FLIP)
slope_data = AATriangle::vertical_flip(slope_data);
triangle = AATriangle(tile_bbox, slope_data);
collision::rectangle_aatriangle(constraints, dest, triangle,
solids->get_movement(/* actual = */ false));
} else { // normal rectangular tile
check_collisions(constraints, movement, dest, tile_bbox, NULL, NULL,
solids->get_movement(/* actual = */ false));
}
}
}
}
}
bool
Igel::can_see(const MovingObject& o) const
{
Rectf ob = o.get_bbox();
bool inReach_left = ((ob.p2.x < bbox.p1.x) && (ob.p2.x >= bbox.p1.x-((dir == LEFT) ? RANGE_OF_VISION : 0)));
bool inReach_right = ((ob.p1.x > bbox.p2.x) && (ob.p1.x <= bbox.p2.x+((dir == RIGHT) ? RANGE_OF_VISION : 0)));
bool inReach_top = (ob.p2.y >= bbox.p1.y);
bool inReach_bottom = (ob.p1.y <= bbox.p2.y);
return ((inReach_left || inReach_right) && inReach_top && inReach_bottom);
}
HitResponse
PneumaticPlatform::collision(GameObject& other, const CollisionHit& )
{
// somehow the hit parameter does not get filled in, so to determine (hit.top == true) we do this:
MovingObject* mo = dynamic_cast<MovingObject*>(&other);
if (!mo) return FORCE_MOVE;
if ((mo->get_bbox().p2.y) > (get_bbox().p1.y + 2)) return FORCE_MOVE;
Player* pl = dynamic_cast<Player*>(mo);
if (pl) {
if (pl->is_big()) contacts.insert(0);
Portable* po = pl->get_grabbed_object();
MovingObject* pomo = dynamic_cast<MovingObject*>(po);
if (pomo) contacts.insert(pomo);
}
contacts.insert(&other);
return FORCE_MOVE;
}
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);
}
}
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_break();
}
}
return Block::collision(other, hit);
}
HitResponse
BicyclePlatform::collision(GameObject& other, const CollisionHit& )
{
// somehow the hit parameter does not get filled in, so to determine (hit.top == true) we do this:
MovingObject* mo = dynamic_cast<MovingObject*>(&other);
if (!mo) return FORCE_MOVE;
if ((mo->get_bbox().p2.y) > (bbox.p1.y + 2)) return FORCE_MOVE;
Player* pl = dynamic_cast<Player*>(mo);
if (pl) {
if (pl->is_big()) momentum += 0.1 * Sector::current()->get_gravity();
Portable* po = pl->get_grabbed_object();
MovingObject* pomo = dynamic_cast<MovingObject*>(po);
if (contacts.insert(pomo).second) momentum += 0.1 * Sector::current()->get_gravity();
}
if (contacts.insert(&other).second) momentum += 0.1 * Sector::current()->get_gravity();
return FORCE_MOVE;
}
void
AngryStone::active_update(float elapsed_time) {
BadGuy::active_update(elapsed_time);
if (frozen) {
return;
}
switch (state) {
case IDLE: {
MovingObject* player = get_nearest_player();
if(player) {
MovingObject* badguy = this;
const Vector playerPos = player->get_pos();
const Vector badguyPos = badguy->get_pos();
float dx = (playerPos.x - badguyPos.x);
float dy = (playerPos.y - badguyPos.y);
float playerHeight = player->get_bbox().get_height();
float badguyHeight = badguy->get_bbox().get_height();
float playerWidth = player->get_bbox().get_width();
float badguyWidth = badguy->get_bbox().get_width();
if ((dx > -playerWidth) && (dx < badguyWidth)) {
if (dy > 0) {
attackDirection.x = 0;
attackDirection.y = 1;
} else {
attackDirection.x = 0;
attackDirection.y = -1;
}
if ((attackDirection.x != oldWallDirection.x) || (attackDirection.y != oldWallDirection.y)) {
sprite->set_action("charging");
timer.start(CHARGE_TIME);
state = CHARGING;
}
} else if ((dy > -playerHeight) && (dy < badguyHeight)) {
if (dx > 0) {
attackDirection.x = 1;
attackDirection.y = 0;
} else {
attackDirection.x = -1;
attackDirection.y = 0;
}
if ((attackDirection.x != oldWallDirection.x) || (attackDirection.y != oldWallDirection.y)) {
sprite->set_action("charging");
timer.start(CHARGE_TIME);
state = CHARGING;
}
}
}
} break;
case CHARGING: {
if (timer.check()) {
sprite->set_action("attacking");
timer.start(ATTACK_TIME);
state = ATTACKING;
physic.enable_gravity(false);
physic.set_velocity_x(CHARGE_SPEED * attackDirection.x);
physic.set_velocity_y(CHARGE_SPEED * attackDirection.y);
oldWallDirection.x = 0;
oldWallDirection.y = 0;
}
} break;
case ATTACKING: {
if (timer.check()) {
timer.start(RECOVER_TIME);
state = RECOVERING;
sprite->set_action("idle");
physic.enable_gravity(true);
physic.set_velocity_x(0);
physic.set_velocity_y(0);
}
} break;
case RECOVERING: {
if (timer.check()) {
state = IDLE;
sprite->set_action("idle");
physic.enable_gravity(true);
physic.set_velocity_x(0);
physic.set_velocity_y(0);
}
} break;
}
}
void
Explosion::explode()
{
if (state != STATE_WAITING)
return;
state = STATE_EXPLODING;
set_action(hurt ? "default" : "pop", 1);
sprite->set_animation_loops(1); //TODO: this is necessary because set_action will not set "loops" when "action" is the default action
sprite->set_angle(graphicsRandom.randf(0, 360)); // a random rotation on the sprite to make explosions appear more random
SoundManager::current()->play(hurt ? "sounds/explosion.wav" : "sounds/firecracker.ogg", get_pos());
#if 0
// spawn some particles
// TODO: provide convenience function in MovingSprite or MovingObject?
for (int i = 0; i < 100; i++) {
Vector ppos = bbox.get_middle();
float angle = graphicsRandom.randf(-M_PI_2, M_PI_2);
float velocity = graphicsRandom.randf(450, 900);
float vx = sin(angle)*velocity;
float vy = -cos(angle)*velocity;
Vector pspeed = Vector(vx, vy);
Vector paccel = Vector(0, 1000);
Sector::current()->add_object(new SpriteParticle("images/objects/particles/explosion.sprite", "default", ppos, ANCHOR_MIDDLE, pspeed, paccel, LAYER_OBJECTS-1));
}
#endif
if (push) {
Vector center = get_bbox ().get_middle ();
std::vector<MovingObject*> near_objects = Sector::current()->get_nearby_objects (center, 10.0 * 32.0);
for (size_t i = 0; i < near_objects.size (); i++) {
MovingObject *obj = near_objects[i];
Vector obj_vector = obj->get_bbox ().get_middle ();
Vector direction = obj_vector - center;
float distance = direction.norm ();
/* If the distance is very small, for example because "obj" is the badguy
* causing the explosion, skip this object. */
if (distance <= 1.0)
continue;
/* The force decreases with the distance squared. In the distance of one
* tile (32 pixels) you will have a speed increase of 150 pixels/s. */
float force = 150.0 * 32.0*32.0 / (distance * distance);
if (force > 200.0)
force = 200.0;
Vector add_speed = direction.unit () * force;
Player *player = dynamic_cast<Player *> (obj);
if (player) {
player->add_velocity (add_speed);
}
WalkingBadguy *badguy = dynamic_cast<WalkingBadguy *> (obj);
if (badguy) {
badguy->add_velocity (add_speed);
}
} /* for (i = 0 ... near_objects) */
} /* if (push) */
}
void
Sector::collision_static_constrains(MovingObject& object)
{
using namespace collision;
float infinity = (std::numeric_limits<float>::has_infinity ? std::numeric_limits<float>::infinity() : std::numeric_limits<float>::max());
Constraints constraints;
Vector movement = object.get_movement();
Rect& dest = object.dest;
float owidth = object.get_bbox().get_width();
float oheight = object.get_bbox().get_height();
for(int i = 0; i < 2; ++i) {
collision_static(&constraints, Vector(0, movement.y), dest, object);
if(!constraints.has_constraints())
break;
// apply calculated horizontal constraints
if(constraints.bottom < infinity) {
float height = constraints.bottom - constraints.top;
if(height < oheight) {
// we're crushed, but ignore this for now, we'll get this again
// later if we're really crushed or things will solve itself when
// looking at the vertical constraints
}
dest.p2.y = constraints.bottom - DELTA;
dest.p1.y = dest.p2.y - oheight;
} else if(constraints.top > -infinity) {
dest.p1.y = constraints.top + DELTA;
dest.p2.y = dest.p1.y + oheight;
}
}
if(constraints.has_constraints()) {
if(constraints.hit.bottom) {
dest.move(constraints.ground_movement);
}
if(constraints.hit.top || constraints.hit.bottom) {
constraints.hit.left = false;
constraints.hit.right = false;
object.collision_solid(constraints.hit);
}
}
constraints = Constraints();
for(int i = 0; i < 2; ++i) {
collision_static(&constraints, movement, dest, object);
if(!constraints.has_constraints())
break;
// apply calculated vertical constraints
if(constraints.right < infinity) {
float width = constraints.right - constraints.left;
if(width + SHIFT_DELTA < owidth) {
printf("Object %p crushed horizontally... L:%f R:%f\n", &object,
constraints.left, constraints.right);
CollisionHit h;
h.left = true;
h.right = true;
h.crush = true;
object.collision_solid(h);
} else {
dest.p2.x = constraints.right - DELTA;
dest.p1.x = dest.p2.x - owidth;
}
} else if(constraints.left > -infinity) {
dest.p1.x = constraints.left + DELTA;
dest.p2.x = dest.p1.x + owidth;
}
}
if(constraints.has_constraints()) {
if( constraints.hit.left || constraints.hit.right
|| constraints.hit.top || constraints.hit.bottom
|| constraints.hit.crush )
object.collision_solid(constraints.hit);
}
// an extra pass to make sure we're not crushed horizontally
constraints = Constraints();
collision_static(&constraints, movement, dest, object);
if(constraints.bottom < infinity) {
float height = constraints.bottom - constraints.top;
if(height + SHIFT_DELTA < oheight) {
printf("Object %p crushed vertically...\n", &object);
CollisionHit h;
h.top = true;
h.bottom = true;
h.crush = true;
object.collision_solid(h);
}
}
}
void
Sector::collision_static_constrains(MovingObject& object)
{
using namespace collision;
float infinity = (std::numeric_limits<float>::has_infinity ? std::numeric_limits<float>::infinity() : std::numeric_limits<float>::max());
Constraints constraints;
Vector movement = object.get_movement();
Vector pressure = Vector(0,0);
Rectf& dest = object.dest;
for(int i = 0; i < 2; ++i) {
collision_static(&constraints, Vector(0, movement.y), dest, object);
if(!constraints.has_constraints())
break;
// apply calculated horizontal constraints
if(constraints.get_position_bottom() < infinity) {
float height = constraints.get_height ();
if(height < object.get_bbox().get_height()) {
// we're crushed, but ignore this for now, we'll get this again
// later if we're really crushed or things will solve itself when
// looking at the vertical constraints
pressure.y += object.get_bbox().get_height() - height;
} else {
dest.p2.y = constraints.get_position_bottom() - DELTA;
dest.p1.y = dest.p2.y - object.get_bbox().get_height();
}
} else if(constraints.get_position_top() > -infinity) {
dest.p1.y = constraints.get_position_top() + DELTA;
dest.p2.y = dest.p1.y + object.get_bbox().get_height();
}
}
if(constraints.has_constraints()) {
if(constraints.hit.bottom) {
dest.move(constraints.ground_movement);
}
if(constraints.hit.top || constraints.hit.bottom) {
constraints.hit.left = false;
constraints.hit.right = false;
object.collision_solid(constraints.hit);
}
}
constraints = Constraints();
for(int i = 0; i < 2; ++i) {
collision_static(&constraints, movement, dest, object);
if(!constraints.has_constraints())
break;
// apply calculated vertical constraints
float width = constraints.get_width ();
if(width < infinity) {
if(width + SHIFT_DELTA < object.get_bbox().get_width()) {
// we're crushed, but ignore this for now, we'll get this again
// later if we're really crushed or things will solve itself when
// looking at the horizontal constraints
pressure.x += object.get_bbox().get_width() - width;
} else {
float xmid = constraints.get_x_midpoint ();
dest.p1.x = xmid - object.get_bbox().get_width()/2;
dest.p2.x = xmid + object.get_bbox().get_width()/2;
}
} else if(constraints.get_position_right() < infinity) {
dest.p2.x = constraints.get_position_right() - DELTA;
dest.p1.x = dest.p2.x - object.get_bbox().get_width();
} else if(constraints.get_position_left() > -infinity) {
dest.p1.x = constraints.get_position_left() + DELTA;
dest.p2.x = dest.p1.x + object.get_bbox().get_width();
}
}
if(constraints.has_constraints()) {
if( constraints.hit.left || constraints.hit.right
|| constraints.hit.top || constraints.hit.bottom
|| constraints.hit.crush )
object.collision_solid(constraints.hit);
}
// an extra pass to make sure we're not crushed vertically
if (pressure.y > 0) {
constraints = Constraints();
collision_static(&constraints, movement, dest, object);
if(constraints.get_position_bottom() < infinity) {
float height = constraints.get_height ();
if(height + SHIFT_DELTA < object.get_bbox().get_height()) {
CollisionHit h;
h.top = true;
h.bottom = true;
h.crush = pressure.y > 16;
object.collision_solid(h);
}
}
}
// an extra pass to make sure we're not crushed horizontally
if (pressure.x > 0) {
constraints = Constraints();
collision_static(&constraints, movement, dest, object);
if(constraints.get_position_right() < infinity) {
float width = constraints.get_width ();
if(width + SHIFT_DELTA < object.get_bbox().get_width()) {
CollisionHit h;
h.top = true;
h.bottom = true;
h.left = true;
h.right = true;
h.crush = pressure.x > 16;
object.collision_solid(h);
}
}
}
}
