static void fill_terrain_info(void)
{
int i, j;
ox = MAX(p_ptr->px - MAX_PF_RADIUS / 2, 0);
oy = MAX(p_ptr->py - MAX_PF_RADIUS / 2, 0);
ex = MIN(p_ptr->px + MAX_PF_RADIUS / 2 - 1, DUNGEON_WID);
ey = MIN(p_ptr->py + MAX_PF_RADIUS / 2 - 1, DUNGEON_HGT);
for (i = 0; i < MAX_PF_RADIUS * MAX_PF_RADIUS; i++)
terrain[0][i] = -1;
for (j = oy; j < ey; j++)
for (i = ox; i < ex; i++)
if (is_valid_pf(j, i))
terrain[j - oy][i - ox] = MAX_PF_LENGTH;
terrain[p_ptr->py - oy][p_ptr->px - ox] = 1;
}
static void fill_terrain_info(void)
{
int i, j;
ox = MAX(player->px - MAX_PF_RADIUS / 2, 0);
oy = MAX(player->py - MAX_PF_RADIUS / 2, 0);
ex = MIN(player->px + MAX_PF_RADIUS / 2 - 1, cave->width);
ey = MIN(player->py + MAX_PF_RADIUS / 2 - 1, cave->height);
for (i = 0; i < MAX_PF_RADIUS * MAX_PF_RADIUS; i++)
terrain[0][i] = -1;
for (j = oy; j < ey; j++)
for (i = ox; i < ex; i++)
if (is_valid_pf(j, i))
terrain[j - oy][i - ox] = MAX_PF_LENGTH;
terrain[player->py - oy][player->px - ox] = 1;
}
/**
* Take one step along the current "run" path
*
* Called with a real direction to begin a new run, and with zero
* to continue a run in progress.
*/
void run_step(int dir)
{
/* Start run */
if (dir) {
/* Paranoia */
p_ptr->running_withpathfind = 0;
/* Initialize */
run_init(dir);
/* Hack -- Set the run counter */
p_ptr->running = (p_ptr->command_arg ? p_ptr->command_arg : 1000);
/* Calculate torch radius */
p_ptr->update |= (PU_TORCH);
}
/* Continue run */
else {
if (!p_ptr->running_withpathfind) {
/* Update run */
if (run_test()) {
/* Disturb */
disturb(0, 0);
/* Done */
return;
}
}
else {
/* Abort if we have finished */
if (pf_result_index < 0) {
disturb(0, 0);
p_ptr->running_withpathfind = FALSE;
return;
}
/* Abort if we would hit a wall */
else if (pf_result_index == 0) {
int y, x;
/* Get next step */
y = p_ptr->py + ddy[pf_result[pf_result_index] - '0'];
x = p_ptr->px + ddx[pf_result[pf_result_index] - '0'];
/* Known wall */
if ((cave_info[y][x] & (CAVE_MARK)) && !is_valid_pf(y, x)) {
disturb(0, 0);
p_ptr->running_withpathfind = FALSE;
return;
}
}
/* Hack -- walking stick lookahead. If the player has computed a
* path that is going to end up in a wall, we notice this and
* convert to a normal run. This allows us to click on unknown
* areas to explore the map. We have to look ahead two, otherwise
* we don't know which is the last direction moved and don't
* initialise the run properly. */
else if (pf_result_index > 0) {
int y, x;
/* Get next step */
y = p_ptr->py + ddy[pf_result[pf_result_index] - '0'];
x = p_ptr->px + ddx[pf_result[pf_result_index] - '0'];
/* Known wall */
if ((cave_info[y][x] & (CAVE_MARK)) && !is_valid_pf(y, x)) {
disturb(0, 0);
p_ptr->running_withpathfind = FALSE;
return;
}
/* Get step after */
y = y + ddy[pf_result[pf_result_index - 1] - '0'];
x = x + ddx[pf_result[pf_result_index - 1] - '0'];
/* Known wall */
if ((cave_info[y][x] & (CAVE_MARK)) && !is_valid_pf(y, x)) {
p_ptr->running_withpathfind = FALSE;
run_init(pf_result[pf_result_index] - '0');
}
}
if (!player_is_crossing)
p_ptr->run_cur_dir = pf_result[pf_result_index--] - '0';
}
}
/* Decrease counter */
p_ptr->running--;
/* Take time */
p_ptr->energy_use = 100;
/* Move the player */
move_player(p_ptr->run_cur_dir);
}