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#include "7w.h"
#include <stdio.h>
int data_hasbuilt(int p, int era, int card);
int data_haswonderstage(int p, int wonder, int stage);
int* data_gettradables(int p);
void data_addgold(int amnt, int p);
int data_getgold(int p);
int data_geteast(int p);
int data_getwest(int p);
int data_numplayers();
int data_numcards(int p);
int io_getkey();
void io_printborder(int x, int y, int width);
int io_printtext(int xorigin, int y, int width, char* text);
void io_printplain(int x, int y, char *s);
void io_printcolor(int x, int y, int color, char *s);
char* getname(int res);
int view_refresh(int focus, int cursor, int player);
char* itoa(int i);
static int tradebuffer[3][GOLD+1];
//0 is east, 1 is west
int get_trade(int player, int type, int direction) {
if(type <= ORE) { //resource
if(data_haswonderstage(player, 7, 4)) return 1;
if(direction == 0) { //east
if(data_hasbuilt(player, 0, 18)) return 1;
} else { //west
if(data_hasbuilt(player, 0, 19)) return 1;
}
} else { //industrial product
if(data_hasbuilt(player, 0, 20)) return 1;
}
return 2;
}
int* trade_buffer()
{
return tradebuffer[2];
}
void trade_clear(int player)
{
data_addgold(tradebuffer[0][GOLD]*-1, data_geteast(player));
data_addgold(tradebuffer[1][GOLD]*-1, data_getwest(player));
data_addgold(tradebuffer[2][GOLD]*-1, player);
int i, j;
for(i = 0; i < 3; i++)
for(j = 0; j < GOLD+1; j++)
tradebuffer[i][j] = 0;
}
//gold amounts relative to player
void trade_addgold(int player, int amnt, int direction)
{
int p;
if(direction == 0) p = data_geteast(player);
if(direction == 1) p = data_getwest(player);
data_addgold(amnt, player);
tradebuffer[2][GOLD] += amnt;
data_addgold(amnt*-1, p);
tradebuffer[direction][GOLD] -= amnt;
}
void trade_commit(int player)
{
int i;
for(i = 0; i < 3; i++)
tradebuffer[i][GOLD] = 0;
trade_clear(player);
}
int* trade_gettradables(int player, int direction)
{
int i;
int *ret;
if(direction) ret = data_gettradables(data_getwest(player));
else ret = data_gettradables(data_geteast(player));
for(i = 0; i < GOLD; i++)
ret[i] += tradebuffer[direction][i];
return ret;
}
void trade_print(int x, int y, int player, int cursorx, int cursory)
{
view_refresh(data_numplayers(), data_numcards(player), player);
char s[40];
int *east = trade_gettradables(player, 0);
int *west = trade_gettradables(player, 1);
int width = 28;
io_printborder(x, y++, width);
y = io_printtext(x, y, width, "West: | East:");
sprintf(s, "rate: %d | rate: %d", get_trade(player, cursory, 1), get_trade(player, cursory, 0));
y = io_printtext(x, y, width, s);
int i;
for(i = 0; i < GOLD+1; i++) {
sprintf(s, "%-7s %d %c| %-7s %d %c", getname(i), west[i], (cursorx == 1 && cursory == i)? '*' : ' ', getname(i), east[i], (cursorx == 0 && cursory == i)? '*' : ' ');
y = io_printtext(x, y, width, s);
if(tradebuffer[1][i])
io_printcolor(x+10, y-1, 31, itoa(west[i]));
if(tradebuffer[0][i])
io_printcolor(x+23, y-1, 31, itoa(east[i]));
}
sprintf(s, "Your gold: %d", data_getgold(player));
y = io_printtext(x, y, width, s);
io_printborder(x, y++, width);
}
int trade_change(int cursorx, int cursory, int player, int change)
{
int forced = 0;
int p;
if(cursorx == 1) p = data_getwest(player);
else p = data_geteast(player);
int *tradee = trade_gettradables(player, cursorx);
if(tradebuffer[2][cursory]-1 < 0) {
change = 1;
forced = 1;
}
if(tradee[cursory]-1 < 0 || data_getgold(player) < get_trade(player, cursory, cursorx)) {
if(forced) return 1;
change = -1;
}
tradebuffer[cursorx][cursory] -= change;
tradebuffer[2][cursory] += change;
trade_addgold(player, get_trade(player, cursory, cursorx)*change*-1, cursorx);
if(tradebuffer[2][cursory] == 0 || tradee[cursory] == 0 || data_getgold(player) == 0) return change*-1;
return change;
}
int trade_routine(int x, int y, int player)
{
int cursorx, cursory, change;
cursorx = cursory = 0;
change = 1;
while(1) {
trade_print(x, y, player, cursorx, cursory);
switch(io_getkey()) {
case LEFT:
case RIGHT: cursorx = !cursorx;
change = 1;
break;
case UP: cursory--;
change = 1;
break;
case DOWN: cursory++;
change = 1;
break;
case ENTER: change = trade_change(cursorx, cursory, player, change);
break;
default: break;
}
if(cursory < 0) return 0;
if(cursory >= GOLD) return 1;
}
}
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