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#include <stdlib.h>
#include "types.h"
#include "util.h"
#include "Bill.h"
#include "Computer.h"
#include "Game.h"
#include "Horde.h"
#include "Network.h"
#include "UI.h"
static Bill *alive, *strays;
static int counters[HORDE_COUNTER_MAX + 1];
#define MAX_BILLS 100 /* max Bills per level */
#define UNLINK(bill, list) \
do { \
if ((bill)->next != NULL) \
(bill)->next->prev = (bill)->prev; \
if ((bill)->prev != NULL) \
(bill)->prev->next = (bill)->next; \
else if ((bill) == list) \
(list) = (bill)->next; \
(bill)->prev = NULL; \
(bill)->next = NULL; \
} while (0)
#define PREPEND(bill, list) \
do { \
(bill)->next = (list); \
if ((list) != NULL) \
(list)->prev = (bill); \
(list) = (bill); \
} while (0)
static int
on(unsigned int lev) {
int perlevel = (int)((8 + 3 * lev) * Game_scale(2));
return MIN(perlevel, MAX_BILLS);
}
static int
max_at_once(unsigned int lev) {
return MIN(2 + lev / 4, 12);
}
static int
between(unsigned int lev) {
return MAX(14 - lev / 3, 10);
}
/* Launches Bills whenever called */
static void
launch(int max) {
Bill *bill;
int n;
int off_screen = counters[HORDE_COUNTER_OFF];
if (max == 0 || off_screen == 0)
return;
n = RAND(1, MIN(max, off_screen));
for (; n > 0; n--) {
Bill_enter(&bill);
PREPEND(bill, alive);
}
}
void
Horde_setup() {
Bill *bill;
while (alive != NULL) {
bill = alive;
UNLINK(bill, alive);
free(bill);
}
while (strays != NULL) {
bill = strays;
UNLINK(bill, strays);
free(bill);
}
counters[HORDE_COUNTER_OFF] = on(Game_level());
counters[HORDE_COUNTER_ON] = 0;
}
void
Horde_update(int iteration) {
Bill *bill, *next;
int level = Game_level();
if (iteration % between(level) == 0)
launch(max_at_once(level));
for (bill = alive; bill != NULL; bill = next) {
next = bill->next;
Bill_update(bill);
}
}
void
Horde_draw() {
Bill *bill;
for (bill = strays; bill != NULL; bill = bill->next)
Bill_draw(bill);
for (bill = alive; bill != NULL; bill = bill->next)
Bill_draw(bill);
}
void
Horde_move_bill(Bill *bill) {
UNLINK(bill, alive);
PREPEND(bill, strays);
}
void
Horde_remove_bill(Bill *bill) {
if (bill->state == BILL_STATE_STRAY)
UNLINK(bill, strays);
else
UNLINK(bill, alive);
Network_clear_stray(bill);
free(bill);
}
void
Horde_add_bill(Bill *bill) {
if (bill->state == BILL_STATE_STRAY)
PREPEND(bill, strays);
else
PREPEND(bill, alive);
}
Bill *
Horde_clicked_stray(int x, int y) {
Bill *bill;
for (bill = strays; bill != NULL; bill = bill->next) {
if (!Bill_clickedstray(bill, x, y))
continue;
UNLINK(bill, strays);
return bill;
}
return NULL;
}
int
Horde_process_click(int x, int y) {
Bill *bill;
int counter = 0;
for (bill = alive; bill != NULL; bill = bill->next) {
if (bill->state == BILL_STATE_DYING ||
!Bill_clicked(bill, x, y))
continue;
if (bill->state == BILL_STATE_AT) {
Computer *comp;
comp = Network_get_computer(bill->target_c);
comp->busy = 0;
comp->stray = bill;
}
Bill_set_dying(bill);
counter++;
}
return counter;
}
void
Horde_inc_counter(int counter, int val) {
counters[counter] += val;
}
int
Horde_get_counter(int counter) {
return counters[counter];
}
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