/*
* Request a game command from the uI and carry out whatever actions
* go along with it.
*/
void process_command(cmd_context ctx, bool no_request)
{
int idx;
game_command cmd;
/* If we've got a command to process, do it. */
if (cmd_get(ctx, &cmd, !no_request) == 0)
{
idx = cmd_idx(cmd.command);
if (idx == -1) return;
/* Do some sanity checking on those arguments that might have
been declared as "unknown", such as directions and targets. */
switch (cmd.command)
{
case CMD_WALK:
case CMD_RUN:
case CMD_JUMP:
case CMD_OPEN:
case CMD_CLOSE:
case CMD_TUNNEL:
case CMD_DISARM:
case CMD_BASH:
case CMD_ALTER:
case CMD_JAM:
case CMD_MAKE_TRAP:
{
/* Direction hasn't been specified, so we ask for one. */
if (cmd.args[0].direction == DIR_UNKNOWN)
{
if (!get_rep_dir(&cmd.args[0].direction))
return;
}
break;
}
/*
* These take an item number and a "target" as arguments,
* though a target isn't always actually needed, so we'll
* only prompt for it via callback if the item being used needs it.
*/
case CMD_USE_WAND:
case CMD_USE_ROD:
case CMD_QUAFF:
case CMD_ACTIVATE:
case CMD_READ_SCROLL:
case CMD_FIRE:
case CMD_THROW:
case CMD_STEAL:
{
bool get_target = FALSE;
if (cmd.command == CMD_FIRE ||
cmd.command == CMD_THROW ||
obj_needs_aim(object_from_item_idx(cmd.args[0].choice)))
{
if (cmd.args[1].direction == DIR_UNKNOWN)
get_target = TRUE;
if (cmd.args[1].direction == DIR_TARGET && !target_okay())
get_target = TRUE;
}
if (get_target && !get_aim_dir(&cmd.args[1].direction, FALSE))
return;
break;
}
/* This takes a choice and a direction. */
case CMD_CAST:
{
bool get_target = FALSE;
if (spell_needs_aim(cp_ptr->spell_book, cmd.args[0].choice))
{
if (cmd.args[1].direction == DIR_UNKNOWN)
get_target = TRUE;
if (cmd.args[1].direction == DIR_TARGET && !target_okay())
get_target = TRUE;
}
if (get_target && !get_aim_dir(&cmd.args[1].direction, FALSE))
return;
break;
}
default:
{
/* I can see the point of the compiler warning, but still... */
break;
}
}
/* Command repetition */
if (game_cmds[idx].repeat_allowed)
{
/* Auto-repeat */
if (game_cmds[idx].auto_repeat_n > 0 && p_ptr->command_arg == 0 && p_ptr->command_rep == 0)
p_ptr->command_arg = game_cmds[idx].auto_repeat_n;
allow_repeated_command();
}
repeat_prev_allowed = TRUE;
if (game_cmds[idx].fn)
game_cmds[idx].fn(cmd.command, cmd.args);
}
}
// Repeat the previous command
// Assumes the command and args were properly saved
void do_cmd_repeat(void)
{
if (!character_dungeon) return;
if (!p_ptr->command_previous) return;
// repeat the previous command
command_type *command_ptr = &command_info[p_ptr->command_previous];
// Make sure we are dealing with the same item
if (command_ptr->cmd_needs & (ARG_ITEM))
{
object_type *o_ptr = object_from_item_idx(p_ptr->command_previous_args.item);
if (o_ptr->k_idx != p_ptr->command_previous_args.k_idx)
{
pop_up_message_box("Unable to repeat command.<br>Item has been moved or changed.");
p_ptr->player_previous_command_wipe();
return;
}
}
if (p_ptr->command_previous == CMD_CAST)
{
if (!spell_needs_aim(cp_ptr->spell_book, p_ptr->command_previous_args.number)) p_ptr->command_previous_args.direction = DIR_UNKNOWN;
else if (p_ptr->command_previous_args.direction == DIR_CLOSEST)
{
int mode = TARGET_QUIET;
if (!is_trap_spell(cp_ptr->spell_book, p_ptr->command_previous_args.number)) mode |= TARGET_KILL;
else mode |= TARGET_TRAP;
if (!target_set_closest(mode)) p_ptr->command_previous_args.direction = DIR_UNKNOWN;
}
}
else if (p_ptr->command_previous == CMD_ITEM_USE)
{
object_type *o_ptr = object_from_item_idx(p_ptr->command_previous_args.item);
if (!obj_needs_aim(o_ptr)) p_ptr->command_previous_args.direction = DIR_UNKNOWN;
else if (p_ptr->command_previous_args.direction == DIR_CLOSEST)
{
int mode = TARGET_QUIET;
if (!k_info[o_ptr->k_idx].is_trap_object_kind()) mode |= TARGET_KILL;
else mode |= TARGET_TRAP;
if (!target_set_closest(mode)) p_ptr->command_previous_args.direction = DIR_UNKNOWN;
}
}
else if (!command_ptr->keep_direction())
{
p_ptr->command_previous_args.direction = DIR_UNKNOWN;
}
// Get the direction, if necessary
if (command_ptr->needs_direction())
{
if (!get_aim_dir(&p_ptr->command_previous_args.direction, FALSE)) return;
}
command_ptr->command_function(p_ptr->command_previous_args);
}
