mayhem/option.cpp at master · devpack/mayhem · GitHub

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#include"option.h"

voidoption_time(structoption_data *opt)
{
if(!opt->active)
 {
if(opt->time_out > opt->inactive_time)
 {
 opt->active=true;
 opt->time_out=0;
 }
else opt->time_out++;
 }
else
 {
if(opt->time_in > opt->active_time)
 {
 opt->active=false;
 opt->time_in=0;
 }
else opt->time_in++;
 }
}

booltest_pos_option(structoption_data *opt, structlevel_data *currentlevel, int x, int y)
{
unsignedlong address_bmp;
unsignedchar pixelcolor;
bmp_select(currentlevel->bitmap);
int ligne;

for(ligne=0; ligne < opt->option_sprite->h; ligne++)
 {
 address_bmp = bmp_read_line(currentlevel->bitmap, ligne + y);
for(int colonne=0; colonne < opt->option_sprite->w; colonne++)
 {
 pixelcolor = bmp_read8(address_bmp + colonne + x);
if ((currentlevel->colormap[pixelcolor].r !=0) ||
 (currentlevel->colormap[pixelcolor].g !=0) ||
 (currentlevel->colormap[pixelcolor].b !=0))
return(false);
 }
 }
return(true);
}

voidinit_option(structoption_data *opt, structlevel_data *currentlevel)
{

if(opt->time_in==0)
 {
 opt->x = rand()%792;
 opt->y = rand()%1200;

if(!test_pos_option(opt, currentlevel, opt->x, opt->y))
 {
 opt->print_it=false;
 opt->active=false;
 opt->time_out = opt->active_time+1;
 }
else opt->print_it=true;

 opt->type = rand()%NB_OPT_TYPE;
 }
}

inttake_option(structoption_data *opt, structvaisseau_data *allv, int nbplayers)
{
structvaisseau_data *v;
for(int i=0; i<nbplayers; i++)
 {
 v = &allv[i];
if(abs((v->xpos+16)-(opt->x+6))<=(26+12)/2 && abs((v->ypos+16)-(opt->y+6))<=(28+12)/2)
return i;
 }
return -1;
}

voidattrib_option(structoption_data *opt, structvaisseau_data *allv, int test)
{
structvaisseau_data *v;
if(test!=-1)
 {
 v = &allv[test];
 v->option_type = opt->type;

if(opt->type == 0) // 0 = fuel max
 v->fuel = v->max_fuel;

if(opt->type == 1) // 1 = 1/2 fuel
 v->fuel = v->fuel/2;

if(opt->type == 2) { // 2 = more time shield on
 v->max_shield_force = 214;
 v->speed_shield_force_down = 1;
 }

if(opt->type == 3) { // 3 = 1/2 shield
 v->speed_shield_force_down = 2;
 v->max_shield_force = v->max_shield_force/2;
 }


 opt->active=false;
 opt->time_out=0;
 opt->time_in=0;

 }
if(v->option_type == 4 && !(v->landed||v->rebound)) // 4 = ship rotate
 v->angle = v->angle + 1;

}

voiddraw_option(structoption_data *opt, structplayer_view *views, int nbplayers)
{
if(opt->print_it)
 {
structplayer_view *view=views;
for(int i=0; i<nbplayers; i++)
 {
draw_sprite(view->back_map_buffer, opt->option_sprite,
 view->bordersize+view->w/2+opt->x-view->player->ship->xpos,
 view->bordersize+view->h/2+opt->y-view->player->ship->ypos);
 view++;
 }
 }
}

voidgestion_option(structoption_data *opt, structlevel_data *currentlevel, structvaisseau_data *allv, structplayer_view *views, int nbplayers, int nbviews)
{
int test;
option_time(opt); // alternance option active ou pas

if(opt->active)
 {
init_option(opt, currentlevel); // init la pos + type de l'option

 test = take_option(opt, allv, nbplayers); // -1 = pas prise, sinon num du vaisseau qui prend option
attrib_option(opt, allv, test); // gestion type option avec num vaisseau

draw_option(opt, views, nbviews); // affiche sprite option

 }
}


intinit_option_data(structoption_data *opt, char *option_sprite_name, int active_time, int inactive_time)
{
srand(time(NULL));

 opt->active = false;
 opt->time_out = 0;
 opt->time_in = 0;
 opt->type = 0;
 opt->x = rand()%792;
 opt->y = rand()%1200;
 opt->print_it=false;
 opt->active_time = active_time;
 opt->inactive_time = inactive_time;

 opt->option_sprite = load_bitmap(option_sprite_name,opt->option_sprite_colors);
if(opt->option_sprite) return(0);
elsereturn(-1);

}

voidunload_option(structoption_data *opt)
{
if (opt->option_sprite) destroy_bitmap(opt->option_sprite);
}