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#include "7w.h"
int data_canafford(int p, int era, int card);
int* data_gethand(int p);
int data_numcards(int p);
int data_getera();
int data_getnext(int p); //next recipient of the hand
int data_getdir(int dir, int p);
int data_getwonderstages(int p);
void data_discard(int p, int card);
void data_build(int p, int card);
void data_buildwonder(int p, int card);
void data_addgold(int amnt, int p);
int wonder_numstages(int player);
int weight_buildcard(int era, int card, int player);
int* weight_buildwonder(int player);
int* cards_getproduction(int era, int card);
int* cards_getcost(int era, int card);
int data_hasbuiltname(int p, int era, int card);
int* get_intarray(int size);
int* ai_trade(int player, int era, int card);
void write_trade(int player, int tradel, int trader);
int* ai_bestcard(int *hand, int player) //return card
{
int i, temp;
int max = 0;
int card = 0;
int *trade = get_intarray(3);
static int ret[5];
for(i = 0; hand[i] != -1 && i < 7; i++) {
trade[0] = trade[1] = trade[2] = 0;
temp = weight_buildcard(data_getera(), hand[i], player);
if(data_hasbuiltname(player, data_getera(), hand[i]))
temp = 0;
else if(data_canafford(player, data_getera(), hand[i]) != 1) {
trade = ai_trade(player, data_getera(), hand[i]);
if(trade[2]) temp -= trade[2] / 3;
else temp = 0;
}
if(temp > max) {
max = temp;
card = hand[i];
ret[2] = trade[0];
ret[3] = trade[1];
ret[4] = trade[2];
}
}
ret[0] = max;
ret[1] = card;
return ret;
}
void ai_turn(int player)
{
int *bestcard;
int *hand = data_gethand(player);
int *wonder = get_intarray(4);
wonder[0] = 0;
int i;
if(data_getwonderstages(player) < wonder_numstages(player))
wonder = weight_buildwonder(player);
bestcard = ai_bestcard(hand, player);
if(bestcard[0] > wonder[0] && bestcard[0] > 0) {
data_build(player, bestcard[1]);
for(i = 0; i < 2; i++) {
data_addgold(bestcard[2+i], data_getdir(i, player));
}
write_trade(player, bestcard[2], bestcard[3]);
data_addgold(bestcard[4] * -1, player);
return;
}
bestcard = ai_bestcard(hand, data_getnext(player));
if(wonder[0] > 0) {
data_buildwonder(player, bestcard[1]);
for(i = 0; i < 2; i++) {
data_addgold(wonder[1+i], data_getdir(i, player));
}
write_trade(player, wonder[1], wonder[2]);
data_addgold(wonder[3] * -1, player);
return;
}
data_discard(player, bestcard[1]);
data_addgold(3, player);
}
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