void zone_draw(zone * z)
{
int i, j;
wclear(dispscr);
for (i = 0; i < z->width; i++) {
for (j = 0; j < z->height; j++) {
zone_draw_tile(z, i, j);
}
}
wrefresh(dispscr);
}
static void update_vis(void) {
int x, y, show;
for (x = 0; x < PLYR.z->width; x++) {
for (y = 0; y < PLYR.z->height; y++) {
show = zone_can_see(PLYR.z, PLYR.x, PLYR.y, x, y, PLYR.sight);
if (show != PLYR.z->tiles[x][y].show) {
PLYR.z->tiles[x][y].show = show || config.forget_walls ? show : 2;
zone_draw_tile(PLYR.z, x, y);
}
}
}
wrefresh(dispscr);
}
void zone_update(zone * z, int x, int y)
{
int i;
int weight = -1;
item * it;
chtype ch = z->tiles[x][y].ch;
if (z->tiles[x][y].crtr == NULL || z->tiles[x][y].crtr->health <= 0) {
for (i = 0; i < z->tiles[x][y].inv->size; i++) {
it = z->tiles[x][y].inv->itms[i];
if (it != NULL && it->weight > weight) {
weight = it->weight;
ch = it->ch;
}
}
} else {
ch = z->tiles[x][y].crtr->ch;
}
z->tiles[x][y].show_ch = ch;
zone_draw_tile(z, x, y);
}
//
// Throws an item from a position along the given direction
// (x, y, z) + (dx, dy) is the starting position.
// (dx, dy) is the direction the item moves in.
// f is the force of the throw, effects duration and damage of the throw
// Returns 1 on success and 0 on failure of placing the item
//
int item_throw(item * it, int x, int y, zone * z, int dx, int dy, int force)
{
creature * c;
int ret, dam;
int anim = (z == PLYR.z) && config.throw_anim_delay;
int timeout = 100 * force / it->weight;
chtype tmp = 0;
x += dx;
y += dy;
while (x >= 0 && y >= 0 && x < z->width && y < z->height && !z->tiles[x][y].impassible && timeout) {
if (x < 0 || x >= z->width) break;
if (y < 0 || y >= z->height) break;
if (z->tiles[x][y].impassible) break;
// handle the animation
if (anim) {
if (tmp) {
z->tiles[x-dx][y-dy].ch = tmp;
zone_draw_tile(z, x-dx, y-dy);
}
tmp = z->tiles[x][y].ch;
z->tiles[x][y].ch = it->ch;
zone_draw_tile(z, x, y);
wrefresh(dispscr);
usleep(1000 * config.throw_anim_delay);
}
// creature collision
c = z->tiles[x][y].crtr;
if (c != NULL) {
if (crtr_dodges(c, force / 10)) {
memo("The %s artfully dodges the %s!", crtr_name(c), it->name);
} else {
dam = (it->spikiness + force) / 4 - 4;
if (dam < 0) dam = 0;
c->health -= dam;
if (c->health <= 0) {
memo("The %s kills the %s!\n", it->name, crtr_name(c));
crtr_death(c, "projectile impact");
} else {
memo("The %s is hit with the %s for %d damage!", crtr_name(c), it->name, dam);
}
goto cleanup;
}
}
x += dx;
y += dy;
timeout--;
}
x -= dx;
y -= dy;
cleanup:
ret = item_tele(it, x, y, z);
zone_update(z, x, y);
wrefresh(dispscr);
return ret;
}
