void use_item( Player *p, Item *it, Level *l ) {
DATAFILE *data;
data = load_datafile( "dat/sprites.dat" );
if (!data)
fatal("Error reading datafile 'dat/sprites.dat'\n");
V_clear( p->item_animation );
switch ( it->type ) {
case ITEM_POTION:
INC2MAX( p->life, 1, MAX_LIFE );
p->item_in_use = (4 * ANIMATION_RATE);
p->item_timer = ANIMATION_RATE;
p->cur_item_frame = 0;
V_add( p->item_animation, copy_bitmap( (BITMAP *)data[9].dat ) );
V_add( p->item_animation, copy_bitmap( (BITMAP *)data[10].dat ) );
V_add( p->item_animation, copy_bitmap( (BITMAP *)data[11].dat ) );
V_add( p->item_animation, copy_bitmap( (BITMAP *)data[10].dat ) );
break;
case ITEM_PIPE:
/*tmp = V_length( l->sprite_images );
V_add( l->sprite_images, copy_bitmap( (BITMAP *)data[12].dat ) );
V_add( l->sprite_images, copy_bitmap( (BITMAP *)data[13].dat ) );
V_add( l->sprite_images, copy_bitmap( (BITMAP *)data[14].dat ) );
V_add( l->sprite_images, copy_bitmap( (BITMAP *)data[15].dat ) );*/
/*create_sprite( Level *l, int type, int x, int y, int dir, int speed, int jump_rate, int shot_rate, int life, int num_of_images, ... )*/
create_sprite( l, SPRITE_WALK, p->pos_x, 0, -1, 8, 0, 50, 2, 5, 0, 0, 1, 2, 1 );
break;
default:
break;
}
unload_datafile( data );
}
Player *load_player() {
Player *p = (Player *)malloc( sizeof(Player) );
DATAFILE *data;
BITMAP *t;
memset( p, 0, sizeof(Player) );
data = load_datafile( "dat/sprites.dat" );
if (!data)
fatal("Error reading datafile 'dat/sprites.dat'\n");
p->still_image = copy_bitmap( (BITMAP *)data[0].dat );
p->moving_images = V_new();
V_register_del_func( p->moving_images, (VectorFunc)destroy_bitmap );
t = copy_bitmap( (BITMAP *)data[0].dat );
V_add( p->moving_images, t );
t = copy_bitmap( (BITMAP *)data[1].dat );
V_add( p->moving_images, t );
t = copy_bitmap( (BITMAP *)data[2].dat );
V_add( p->moving_images, t );
t = copy_bitmap( (BITMAP *)data[1].dat );
V_add( p->moving_images, t );
p->ducking_image = copy_bitmap( (BITMAP *)data[a05_marioduck].dat );
p->jumping_image = copy_bitmap( (BITMAP *)data[a03_mariobat].dat );
p->attack_image = copy_bitmap( (BITMAP *)data[a04_mariobat].dat );
set_pallete( *((PALLETE *)data[Zpallete].dat) );
unload_datafile( data );
p->cur_image = p->still_image;
p->width = p->cur_image->w;
p->height = p->cur_image->h;
p->invul = 0;
p->life = MAX_LIFE;
p->max_jump = MAX_JUMP;
p->inventory = V_new();
p->quantity = IA_new();
p->inv_selection = 0;
p->item_in_use = 0;
p->cur_item_frame = 0;
p->item_animation = V_new();
V_register_del_func( p->item_animation, (VectorFunc)destroy_bitmap );
p->weapon = 1;
p->weapon_length = 20;
p->weapon_timer = 0;
p->weapon_speed = 15;
p->weapon_delay = 10;
return p;
}
Vector V_rotate(Vector p, Vector centre, Vector v1, Vector v2) {
// Now rotating around (0, 0, 0)
p = V_substract(p, centre);
// Coordinates to define
Vector ux, uy, vx, vy;
// Getting unit vectors so both bases have vectors with the same norm
Vector v1_u = V_unit(v1);
Vector v2_u = V_unit(v2);
// Crafting the needed bases as described in the given file
V_uxUyFromUz(v1_u, &ux, &uy);
V_uxUyFromUz(v2_u, &vx, &vy);
// Getting each coordinate of p in the basis (ux, uy, v1_u) and remaking it
// in the basis (vx, vy, v2_u).
// Adding "centre" to finish the rotation. This step is important.
return V_add(
centre,
V_recompose(
V_decompose(p, ux),
V_decompose(p, uy),
V_decompose(p, v1_u),
vx,
vy,
v2_u
)
);
}
Vector V_recompose(double x, double y, double z, Vector u, Vector v, Vector w) {
return V_add(V_multiply(x, u), V_add(V_multiply(y, v), V_multiply(z, w)));
}
