bool trap::detect_trap(const player &p, int x, int y) const
{
// Some decisions are based around:
// * Starting, and thus average perception, is 8.
// * Buried landmines, the silent killer, has a visibility of 10.
// * There will always be a distance malus of 1 unless you're on top of the trap.
// * ...and an average character should at least have a minor chance of
// noticing a buried landmine if standing right next to it.
// Effective Perception...
return (p.per_cur - p.encumb(bp_eyes)) +
// ...small bonus from stimulants...
(p.stim > 10 ? rng(1, 2) : 0) +
// ...bonus from trap skill...
(const_cast<player &>(p).skillLevel("traps") * 2) +
// ...luck, might be good, might be bad...
rng(-4, 4) -
// ...malus if we are tired...
(p.has_disease("lack_sleep") ? rng(1, 5) : 0) -
// ...malus farther we are from trap...
rl_dist(p.posx, p.posy, x, y) +
// Police are trained to notice Something Wrong.
(p.has_trait("PROF_POLICE") ? 1 : 0) +
(p.has_trait("PROF_PD_DET") ? 2 : 0) >
// ...must all be greater than the trap visibility.
visibility;
}
void map::drawsq(WINDOW* w, player &u, int x, int y, bool invert,
bool show_items)
{
if (!inbounds(x, y))
return; // Out of bounds
int k = x + SEEX - u.posx;
int j = y + SEEY - u.posy;
nc_color tercol;
char sym = terlist[ter(x, y)].sym;
bool hi = false;
if (u.has_disease(DI_BOOMERED))
tercol = c_magenta;
else if ((u.is_wearing(itm_goggles_nv) && u.has_active_item(itm_UPS_on)) ||
u.has_active_bionic(bio_night_vision))
tercol = c_ltgreen;
else
tercol = terlist[ter(x, y)].color;
if (move_cost(x, y) == 0 && has_flag(swimmable, x, y) && !u.underwater)
show_items = false; // Can only see underwater items if WE are underwater
// If there's a trap here, and we have sufficient perception, draw that instead
if (tr_at(x, y) != tr_null &&
u.per_cur - u.encumb(bp_eyes) >= (*traps)[tr_at(x, y)]->visibility) {
tercol = (*traps)[tr_at(x, y)]->color;
if ((*traps)[tr_at(x, y)]->sym == '%') {
switch(rng(1, 5)) {
case 1:
sym = '*';
break;
case 2:
sym = '0';
break;
case 3:
sym = '8';
break;
case 4:
sym = '&';
break;
case 5:
sym = '+';
break;
}
} else
sym = (*traps)[tr_at(x, y)]->sym;
}
// If there's a field here, draw that instead (unless its symbol is %)
if (field_at(x, y).type != fd_null) {
tercol = fieldlist[field_at(x, y).type].color[field_at(x, y).density - 1];
if (fieldlist[field_at(x, y).type].sym == '*') {
switch (rng(1, 5)) {
case 1:
sym = '*';
break;
case 2:
sym = '0';
break;
case 3:
sym = '8';
break;
case 4:
sym = '&';
break;
case 5:
sym = '+';
break;
}
} else if (fieldlist[field_at(x, y).type].sym != '%')
sym = fieldlist[field_at(x, y).type].sym;
}
// If there's items here, draw those instead
if (show_items && i_at(x, y).size() > 0 && field_at(x, y).is_null()) {
if ((terlist[ter(x, y)].sym != '.'))
hi = true;
else {
tercol = i_at(x, y)[i_at(x, y).size() - 1].color();
if (i_at(x, y).size() > 1)
invert = !invert;
sym = i_at(x, y)[i_at(x, y).size() - 1].symbol();
}
}
if (invert)
mvwputch_inv(w, j, k, tercol, sym);
else if (hi)
mvwputch_hi (w, j, k, tercol, sym);
else
mvwputch (w, j, k, tercol, sym);
}