void npc::init_selling(std::vector<int> &indices, std::vector<int> &prices)
{
int val, price;
for (int i = 0; i < inv.size(); i++) {
val = value(inv[i]) - (inv[i].price() / 50);
if (val <= NPC_LOW_VALUE || mission == NPC_MISSION_SHOPKEEP) {
indices.push_back(i);
price = inv[i].price() / (price_adjustment(sklevel[sk_barter]));
prices.push_back(price);
}
}
}
void npc::init_buying(std::vector<item> you, std::vector<int> &indices,
std::vector<int> &prices)
{
int val, price;
for (int i = 0; i < you.size(); i++) {
val = value(you[i]);
if (val >= NPC_HI_VALUE) {
indices.push_back(i);
price = you[i].price();
if (val >= NPC_VERY_HI_VALUE)
price *= 2;
price *= price_adjustment(sklevel[sk_barter]);
prices.push_back(price);
}
}
}
void npc::init_selling(std::vector<int> &indices, std::vector<int> &prices)
{
int val, price;
bool found_lighter = false;
for (int i = 0; i < inv.size(); i++) {
if (inv[i].type->id == itm_lighter && !found_lighter)
found_lighter = true;
else {
val = value(inv[i]) - (inv[i].price() / 50);
if (val <= NPC_LOW_VALUE || mission == NPC_MISSION_SHOPKEEP) {
indices.push_back(i);
price = inv[i].price() / (price_adjustment(sklevel[sk_barter]));
prices.push_back(price);
}
}
}
}
bool trade(game *g, npc *p, int cost, std::string deal)
{
WINDOW* w_head = newwin( 4, 80, 0, 0);
WINDOW* w_them = newwin(21, 40, 4, 0);
WINDOW* w_you = newwin(21, 40, 4, 40);
WINDOW* w_tmp;
mvwprintz(w_head, 0, 0, c_white, _("\
Trading with %s\n\
Tab key to switch lists, letters to pick items, Enter to finalize, Esc to quit\n\
? to get information on an item"), p->name.c_str());
// Set up line drawings
for (int i = 0; i < 80; i++)
mvwputch(w_head, 3, i, c_white, LINE_OXOX);
wrefresh(w_head);
// End of line drawings
// Populate the list of what the NPC is willing to buy, and the prices they pay
// Note that the NPC's barter skill is factored into these prices.
std::vector<int> theirs, their_price, yours, your_price;
p->init_selling(theirs, their_price);
p->init_buying(g->u.inv, yours, your_price);
bool getting_theirs[theirs.size()], getting_yours[yours.size()];
// Adjust the prices based on your barter skill.
for (int i = 0; i < their_price.size(); i++) {
their_price[i] *= (price_adjustment(g->u.sklevel[sk_barter]) +
(p->int_cur - g->u.int_cur) / 15);
getting_theirs[i] = false;
}
for (int i = 0; i < your_price.size(); i++) {
your_price[i] /= (price_adjustment(g->u.sklevel[sk_barter]) +
(p->int_cur - g->u.int_cur) / 15);
getting_yours[i] = false;
}
int cash = cost;// How much cash you get in the deal (negative = losing money)
bool focus_them = true; // Is the focus on them?
bool update = true; // Re-draw the screen?
int them_off = 0, you_off = 0; // Offset from the start of the list
char ch, help;
do {
if (update) { // Time to re-draw
update = false;
// Draw borders, one of which is highlighted
werase(w_them);
werase(w_you);
for (int i = 1; i < 80; i++)
mvwputch(w_head, 3, i, c_white, LINE_OXOX);
mvwprintz(w_head, 3, 30, ((cash < 0 && g->u.cash >= cash * -1) ||
(cash >= 0 && p->cash >= cash) ?
c_green : c_red),
"%s $%d", (cash >= 0 ? _("Profit") : _("Cost")), abs(cash));
if (deal != "")
mvwprintz(w_head, 3, 45, (cost < 0 ? c_ltred : c_ltgreen), deal.c_str());
if (focus_them)
wattron(w_them, c_yellow);
else
wattron(w_you, c_yellow);
wborder(w_them, LINE_XOXO, LINE_XOXO, LINE_OXOX, LINE_OXOX,
LINE_OXXO, LINE_OOXX, LINE_XXOO, LINE_XOOX );
wborder(w_you, LINE_XOXO, LINE_XOXO, LINE_OXOX, LINE_OXOX,
LINE_OXXO, LINE_OOXX, LINE_XXOO, LINE_XOOX );
wattroff(w_them, c_yellow);
wattroff(w_you, c_yellow);
mvwprintz(w_them, 0, 1, (cash < 0 || p->cash >= cash ? c_green : c_red),
"%s: $%d", p->name.c_str(), p->cash);
mvwprintz(w_you, 0, 2, (cash > 0 || g->u.cash>=cash*-1 ? c_green:c_red),
"You: $%d", g->u.cash);
// Draw their list of items, starting from them_off
for (int i = them_off; i < theirs.size() && i < 17; i++)
mvwprintz(w_them, i - them_off + 1, 1,
(getting_theirs[i] ? c_white : c_ltgray), "%c %c %s - $%d",
char(i + 'a'), (getting_theirs[i] ? '+' : '-'),
p->inv[theirs[i + them_off]].tname().substr( 0,25).c_str(),
their_price[i + them_off]);
if (them_off > 0)
mvwprintw(w_them, 19, 1, _("< Back"));
if (them_off + 17 < theirs.size())
mvwprintw(w_them, 19, 9, _("More >"));
// Draw your list of items, starting from you_off
for (int i = you_off; i < yours.size() && i < 17; i++)
mvwprintz(w_you, i - you_off + 1, 1,
(getting_yours[i] ? c_white : c_ltgray), "%c %c %s - $%d",
char(i + 'a'), (getting_yours[i] ? '+' : '-'),
g->u.inv[yours[i + you_off]].tname().substr( 0,25).c_str(),
your_price[i + you_off]);
if (you_off > 0)
mvwprintw(w_you, 19, 1, _("< Back"));
if (you_off + 17 < yours.size())
mvwprintw(w_you, 19, 9, _("More >"));
wrefresh(w_head);
wrefresh(w_them);
wrefresh(w_you);
} // Done updating the screen
ch = getch();
switch (ch) {
case '\t':
focus_them = !focus_them;
update = true;
break;
case '<':
if (focus_them) {
if (them_off > 0) {
them_off -= 17;
update = true;
}
} else {
if (you_off > 0) {
you_off -= 17;
update = true;
}
}
break;
case '>':
if (focus_them) {
if (them_off + 17 < theirs.size()) {
them_off += 17;
update = true;
}
} else {
if (you_off + 17 < yours.size()) {
you_off += 17;
update = true;
}
}
break;
case '?':
update = true;
w_tmp = newwin(3, 21, 1, 30);
mvwprintz(w_tmp, 1, 1, c_red, _("Examine which item?"));
wborder(w_tmp, LINE_XOXO, LINE_XOXO, LINE_OXOX, LINE_OXOX,
LINE_OXXO, LINE_OOXX, LINE_XXOO, LINE_XOOX );
wrefresh(w_tmp);
help = getch();
help -= 'a';
werase(w_tmp);
delwin(w_tmp);
wrefresh(w_head);
if (focus_them) {
if (help >= 0 && help < theirs.size())
popup(p->inv[theirs[help]].info().c_str());
} else {
if (help >= 0 && help < yours.size())
popup(g->u.inv[theirs[help]].info().c_str());
}
break;
case '\n': // Check if we have enough cash...
if (cash < 0 && g->u.cash < cash * -1) {
popup(_("Not enough cash! You have $%d, price is $%d."), g->u.cash, cash);
update = true;
ch = ' ';
} else if (cash > 0 && p->cash < cash)
p->op_of_u.owed += cash;
break;
default: // Letters & such
if (ch >= 'a' && ch <= 'z') {
ch -= 'a';
if (focus_them) {
if (ch < theirs.size()) {
getting_theirs[ch] = !getting_theirs[ch];
if (getting_theirs[ch])
cash -= their_price[ch];
else
cash += their_price[ch];
update = true;
}
} else { // Focus is on the player's inventory
if (ch < yours.size()) {
getting_yours[ch] = !getting_yours[ch];
if (getting_yours[ch])
cash += your_price[ch];
else
cash -= your_price[ch];
update = true;
}
}
ch = 0;
}
}
} while (ch != KEY_ESCAPE && ch != '\n');
if (ch == '\n') {
inventory newinv;
int practice = 0;
std::vector<char> removing;
for (int i = 0; i < yours.size(); i++) {
if (getting_yours[i]) {
newinv.push_back(g->u.inv[yours[i]]);
practice++;
removing.push_back(g->u.inv[yours[i]].invlet);
}
}
// Do it in two passes, so removing items doesn't corrupt yours[]
for (int i = 0; i < removing.size(); i++)
g->u.i_rem(removing[i]);
for (int i = 0; i < theirs.size(); i++) {
item tmp = p->inv[theirs[i]];
if (getting_theirs[i]) {
practice += 2;
tmp.invlet = 'a';
while (g->u.has_item(tmp.invlet)) {
if (tmp.invlet == 'z')
tmp.invlet = 'A';
else if (tmp.invlet == 'Z')
return false; // TODO: Do something else with these.
else
tmp.invlet++;
}
g->u.inv.push_back(tmp);
} else
newinv.push_back(tmp);
}
g->u.practice(sk_barter, practice / 2);
p->inv = newinv;
g->u.cash += cash;
p->cash -= cash;
}
werase(w_head);
werase(w_you);
werase(w_them);
wrefresh(w_head);
wrefresh(w_you);
wrefresh(w_them);
delwin(w_head);
delwin(w_you);
delwin(w_them);
if (ch == '\n')
return true;
return false;
}
