void
Player::handle_horizontal_input()
{
float vx = physic.get_velocity_x();
float vy = physic.get_velocity_y();
float ax = physic.get_acceleration_x();
float ay = physic.get_acceleration_y();
float dirsign = 0;
if(!duck || physic.get_velocity_y() != 0) {
if(controller->hold(Controller::LEFT) && !controller->hold(Controller::RIGHT)) {
old_dir = dir;
dir = LEFT;
dirsign = -1;
} else if(!controller->hold(Controller::LEFT)
&& controller->hold(Controller::RIGHT)) {
old_dir = dir;
dir = RIGHT;
dirsign = 1;
}
}
if (!controller->hold(Controller::ACTION)) {
ax = dirsign * WALK_ACCELERATION_X;
// limit speed
if(vx >= MAX_WALK_XM && dirsign > 0) {
vx = MAX_WALK_XM;
ax = 0;
} else if(vx <= -MAX_WALK_XM && dirsign < 0) {
vx = -MAX_WALK_XM;
ax = 0;
}
} else {
ax = dirsign * RUN_ACCELERATION_X;
// limit speed
if(vx >= MAX_RUN_XM && dirsign > 0) {
vx = MAX_RUN_XM;
ax = 0;
} else if(vx <= -MAX_RUN_XM && dirsign < 0) {
vx = -MAX_RUN_XM;
ax = 0;
}
}
// we can reach WALK_SPEED without any acceleration
if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
vx = dirsign * WALK_SPEED;
}
// changing directions?
if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
// let's skid!
if(fabs(vx)>SKID_XM && !skidding_timer.started()) {
skidding_timer.start(SKID_TIME);
sound_manager->play("sounds/skid.wav");
// dust some particles
Sector::current()->add_object(
new Particles(
Vector(dir == RIGHT ? get_bbox().p2.x : get_bbox().p1.x, get_bbox().p2.y),
dir == RIGHT ? 270+20 : 90-40, dir == RIGHT ? 270+40 : 90-20,
Vector(280, -260), Vector(0, 300), 3, Color(.4, .4, .4), 3, .8,
LAYER_OBJECTS+1));
ax *= 2.5;
} else {
ax *= 2;
}
}
physic.set_velocity(vx, vy);
physic.set_acceleration(ax, ay);
// we get slower when not pressing any keys
if(dirsign == 0) {
apply_friction();
}
}
void
Player::handle_horizontal_input()
{
float vx = physic.get_velocity_x();
float vy = physic.get_velocity_y();
float ax = physic.get_acceleration_x();
float ay = physic.get_acceleration_y();
float dirsign = 0;
if(!duck || physic.get_velocity_y() != 0) {
if((controller->hold(Controller::LEFT) && !controller->hold(Controller::RIGHT))
|| jump_helper_move_left) {
old_dir = dir;
dir = LEFT;
dirsign = -1;
} else if((!controller->hold(Controller::LEFT)
&& controller->hold(Controller::RIGHT))
|| jump_helper_move_right) {
old_dir = dir;
dir = RIGHT;
dirsign = 1;
}
}
// do not run if we're holding something which slows us down
if ( grabbed_object && grabbed_object->is_hampering() ) {
ax = dirsign * WALK_ACCELERATION_X;
// limit speed
if(vx >= MAX_WALK_XM && dirsign > 0) {
vx = MAX_WALK_XM;
ax = 0;
} else if(vx <= -MAX_WALK_XM && dirsign < 0) {
vx = -MAX_WALK_XM;
ax = 0;
}
} else {
if( vx * dirsign < MAX_WALK_XM ) {
ax = dirsign * WALK_ACCELERATION_X;
} else {
ax = dirsign * RUN_ACCELERATION_X;
}
// limit speed
if(vx >= MAX_RUN_XM && dirsign > 0) {
vx = MAX_RUN_XM;
ax = 0;
} else if(vx <= -MAX_RUN_XM && dirsign < 0) {
vx = -MAX_RUN_XM;
ax = 0;
}
}
// we can reach WALK_SPEED without any acceleration
if(dirsign != 0 && fabs(vx) < WALK_SPEED) {
vx = dirsign * WALK_SPEED;
}
//Check speedlimit.
if( speedlimit > 0 && vx * dirsign >= speedlimit ) {
vx = dirsign * speedlimit;
ax = 0;
}
// changing directions?
if(on_ground() && ((vx < 0 && dirsign >0) || (vx>0 && dirsign<0))) {
// let's skid!
if(fabs(vx)>SKID_XM && !skidding_timer.started()) {
skidding_timer.start(SKID_TIME);
SoundManager::current()->play("sounds/skid.wav");
// dust some particles
Sector::current()->add_object(
std::make_shared<Particles>(
Vector(dir == RIGHT ? get_bbox().p2.x : get_bbox().p1.x, get_bbox().p2.y),
dir == RIGHT ? 270+20 : 90-40, dir == RIGHT ? 270+40 : 90-20,
Vector(280, -260), Vector(0, 300), 3, Color(.4f, .4f, .4f), 3, .8f,
LAYER_OBJECTS+1));
ax *= 2.5;
} else {
ax *= 2;
}
}
if(on_ice) {
ax *= ICE_ACCELERATION_MULTIPLIER;
}
physic.set_velocity(vx, vy);
physic.set_acceleration(ax, ay);
// we get slower when not pressing any keys
if(dirsign == 0) {
apply_friction();
}
}
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;
}
