Exemple #1
0
/**
 * Gets miscellaneous combat information about the given object.
 *
 * Fills in whether there is a special effect when thrown in `thrown effect`,
 * the `range` in ft (or zero if not ammo), whether the weapon has the 
 * impact flag set, the percentage chance of breakage and whether it is
 * too heavy to be weilded effectively at the moment.
 */
static void obj_known_misc_combat(const struct object *obj, bool *thrown_effect, int *range, bool *impactful, int *break_chance, bool *too_heavy)
{
	struct object *bow = equipped_item_by_slot_name(player, "shooting");
	bool weapon = tval_is_melee_weapon(obj);
	bool ammo   = (player->state.ammo_tval == obj->tval) &&
	              (bow);
	bitflag f[OF_SIZE];

	*thrown_effect = *impactful = *too_heavy = false;
	*range = *break_chance = 0;

	get_known_flags(obj, 0, f);

	if (!weapon && !ammo) {
		/* Potions can have special text */
		if (tval_is_potion(obj) && obj->dd != 0 && obj->ds != 0 &&
			object_flavor_is_aware(obj))
			*thrown_effect = true;
	}

	if (ammo)
		*range = 10 * MIN(6 + 2 * player->state.ammo_mult, z_info->max_range);

	/* Note the impact flag */
	*impactful = of_has(f, OF_IMPACT);

	/* Add breakage chance */
	*break_chance = breakage_chance(obj, true);

	/* Is the weapon too heavy? */
	if (weapon) {
		struct player_state state;
		int weapon_slot = slot_by_name(player, "weapon");
		struct object *current = equipped_item_by_slot_name(player, "weapon");

		/* Pretend we're wielding the object */
		player->body.slots[weapon_slot].obj = (struct object *) obj;

		/* Calculate the player's hypothetical state */
		calc_bonuses(player, &state, true, false);

		/* Stop pretending */
		player->body.slots[weapon_slot].obj = current;

		/* Warn about heavy weapons */
		*too_heavy = state.heavy_wield;
	}
}
Exemple #2
0
/**
 * Gets miscellaneous combat information about the given object.
 *
 * Fills in whether there is a special effect when thrown in `thrown effect`,
 * the `range` in ft (or zero if not ammo), the percentage chance of breakage
 * and whether it is too heavy to be wielded effectively at the moment.
 */
static void obj_known_misc_combat(const struct object *obj, bool *thrown_effect,
								  int *range, int *break_chance, bool *heavy)
{
	struct object *bow = equipped_item_by_slot_name(player, "shooting");
	bool weapon = tval_is_melee_weapon(obj);
	bool ammo   = (player->state.ammo_tval == obj->tval) && (bow);

	*thrown_effect = *heavy = false;
	*range = *break_chance = 0;

	if (!weapon && !ammo) {
		/* Potions can have special text */
		if (tval_is_potion(obj) && obj->dd != 0 && obj->ds != 0 &&
			object_flavor_is_aware(obj))
			*thrown_effect = true;
	}

	if (ammo)
		*range = 10 * MIN(6 + 2 * player->state.ammo_mult, z_info->max_range);

	/* Add breakage chance */
	*break_chance = breakage_chance(obj, true);

	/* Is the weapon too heavy? */
	if (weapon) {
		struct player_state state;
		int weapon_slot = slot_by_name(player, "weapon");
		struct object *current = equipped_item_by_slot_name(player, "weapon");

		/* Pretend we're wielding the object */
		player->body.slots[weapon_slot].obj = (struct object *) obj;

		/* Calculate the player's hypothetical state */
		memcpy(&state, &player->state, sizeof(state));
		state.stat_ind[STAT_STR] = 0; //Hack - NRM
		state.stat_ind[STAT_DEX] = 0; //Hack - NRM
		calc_bonuses(player, &state, true, false);

		/* Stop pretending */
		player->body.slots[weapon_slot].obj = current;

		/* Warn about heavy weapons */
		*heavy = state.heavy_wield;
	}
}
Exemple #3
0
/*
 * Describe combat advantages.
 */
static bool describe_combat(textblock *tb, const object_type *o_ptr,
		oinfo_detail_t mode)
{
	bool full = mode & OINFO_FULL;

	const char *desc[SL_MAX] = { 0 };
	int i;
	int mult[SL_MAX];
	int cnt, dam, total_dam, plus = 0;
	int xtra_postcrit = 0, xtra_precrit = 0;
	int crit_mult, crit_div, crit_add;
	int str_plus, dex_plus, old_blows = 0, new_blows, extra_blows;
	int str_faster = -1, str_done = -1;
	object_type *bow = &p_ptr->inventory[INVEN_BOW];

	bitflag f[OF_SIZE], tmp_f[OF_SIZE], mask[OF_SIZE];

	bool weapon = (wield_slot(o_ptr) == INVEN_WIELD);
	bool ammo   = (p_ptr->state.ammo_tval == o_ptr->tval) &&
	              (bow->kind);
	int multiplier = 1;

	/* Create the "all slays" mask */
	create_mask(mask, FALSE, OFT_SLAY, OFT_KILL, OFT_BRAND, OFT_MAX);

	/* Abort if we've nothing to say */
	if (mode & OINFO_DUMMY) return FALSE;

	if (!weapon && !ammo)
	{
		/* Potions can have special text */
		if (o_ptr->tval != TV_POTION ||
				o_ptr->dd == 0 || o_ptr->ds == 0 ||
				!object_flavor_is_aware(o_ptr))
			return FALSE;

		textblock_append(tb, "It can be thrown at creatures with damaging effect.\n");
		return TRUE;
	}

	if (full) {
		object_flags(o_ptr, f);
	} else {
		object_flags_known(o_ptr, f);
	}

	textblock_append_c(tb, TERM_L_WHITE, "Combat info:\n");

	if (weapon)
	{
		/*
		 * Get the player's hypothetical state, were they to be
		 * wielding this item.
		 */
		player_state state;
		int dex_plus_bound;
		int str_plus_bound;

		object_type inven[INVEN_TOTAL];

		memcpy(inven, p_ptr->inventory, INVEN_TOTAL * sizeof(object_type));
		inven[INVEN_WIELD] = *o_ptr;

		if (full) object_know_all_flags(&inven[INVEN_WIELD]);

		calc_bonuses(inven, &state, TRUE);
		dex_plus_bound = STAT_RANGE - state.stat_ind[A_DEX];
		str_plus_bound = STAT_RANGE - state.stat_ind[A_STR];

		dam = ((o_ptr->ds + 1) * o_ptr->dd * 5);

		xtra_postcrit = state.dis_to_d * 10;
		if (object_attack_plusses_are_visible(o_ptr))
		{
			xtra_precrit += o_ptr->to_d * 10;
			plus += o_ptr->to_h;
		}

		calculate_melee_crits(&state, o_ptr->weight, plus,
				&crit_mult, &crit_add, &crit_div);

		/* Warn about heavy weapons */
		if (adj_str_hold[state.stat_ind[A_STR]] < o_ptr->weight / 10)
			textblock_append_c(tb, TERM_L_RED, "You are too weak to use this weapon.\n");

		textblock_append_c(tb, TERM_L_GREEN, "%d.%d ",
				state.num_blows / 100, (state.num_blows / 10) % 10);
		textblock_append(tb, "blow%s/round.\n",
				(state.num_blows > 100) ? "s" : "");

		/* Check to see if extra STR or DEX would yield extra blows */
		old_blows = state.num_blows;
		extra_blows = 0;

		/* First we need to look for extra blows on other items, as
		 * state does not track these */
		for (i = INVEN_BOW; i < INVEN_TOTAL; i++)
		{
			if (!p_ptr->inventory[i].kind)
				continue;
			object_flags_known(&p_ptr->inventory[i], tmp_f);

			if (of_has(tmp_f, OF_BLOWS))
				extra_blows += p_ptr->inventory[i].pval[which_pval(&p_ptr->inventory[i], OF_BLOWS)];
		}

		/* Then we add blows from the weapon being examined */
		if (of_has(f, OF_BLOWS))
			extra_blows += o_ptr->pval[which_pval(o_ptr, OF_BLOWS)];

		/* Then we check for extra "real" blows */
		for (dex_plus = 0; dex_plus < dex_plus_bound; dex_plus++)
		{
			for (str_plus = 0; str_plus < str_plus_bound; str_plus++)
	        {
				state.stat_ind[A_STR] += str_plus;
				state.stat_ind[A_DEX] += dex_plus;
				new_blows = calc_blows(o_ptr, &state, extra_blows);

				/* Test to make sure that this extra blow is a
				 * new str/dex combination, not a repeat
				 */
				if ((new_blows - new_blows % 10) > (old_blows - old_blows % 10) &&
					(str_plus < str_done ||
					str_done == -1))
				{
					textblock_append(tb, "With +%d STR and +%d DEX you would get %d.%d blows\n",
						str_plus, dex_plus, (new_blows / 100),
						(new_blows / 10) % 10);
					state.stat_ind[A_STR] -= str_plus;
					state.stat_ind[A_DEX] -= dex_plus;
					str_done = str_plus;
					break;
				}

				/* If the combination doesn't increment
				 * the displayed blows number, it might still
				 * take a little less energy
				 */
				if (new_blows > old_blows &&
					(str_plus < str_faster ||
					str_faster == -1) &&
					(str_plus < str_done ||
					str_done == -1))
				{
					textblock_append(tb, "With +%d STR and +%d DEX you would attack a bit faster\n",
						str_plus, dex_plus);
					state.stat_ind[A_STR] -= str_plus;
					state.stat_ind[A_DEX] -= dex_plus;
					str_faster = str_plus;
					continue;
				}

				state.stat_ind[A_STR] -= str_plus;
				state.stat_ind[A_DEX] -= dex_plus;
			}
		}
	}
	else
	{
		int tdis = 6 + 2 * p_ptr->state.ammo_mult;

		if (object_attack_plusses_are_visible(o_ptr))
			plus += o_ptr->to_h;

		calculate_missile_crits(&p_ptr->state, o_ptr->weight, plus,
				&crit_mult, &crit_add, &crit_div);

		/* Calculate damage */
		dam = ((o_ptr->ds + 1) * o_ptr->dd * 5);

		if (object_attack_plusses_are_visible(o_ptr))
			dam += (o_ptr->to_d * 10);
		if (object_attack_plusses_are_visible(bow))
			dam += (bow->to_d * 10);

		/* Apply brands/slays from the shooter to the ammo, but only if known
		 * Note that this is not dependent on mode, so that viewing shop-held
		 * ammo (fully known) does not leak information about launcher */
		object_flags_known(bow, tmp_f);
		of_union(f, tmp_f);

		textblock_append(tb, "Hits targets up to ");
		textblock_append_c(tb, TERM_L_GREEN, format("%d", tdis * 10));
		textblock_append(tb, " feet away.\n");
	}

	/* Collect slays */
	/* Melee weapons get slays and brands from other items now */
	if (weapon)
	{
		bool nonweap = FALSE;

		for (i = INVEN_LEFT; i < INVEN_TOTAL; i++)
		{
			if (!p_ptr->inventory[i].kind)
				continue;
			object_flags_known(&p_ptr->inventory[i], tmp_f);

			of_inter(tmp_f, mask); /* strip out non-slays */

			if (of_union(f, tmp_f))
				nonweap = TRUE;
		}

		if (nonweap)
			textblock_append(tb, "This weapon may benefit from one or more off-weapon brands or slays.\n");
	}

	textblock_append(tb, "Average damage/round: ");

	if (ammo) multiplier = p_ptr->state.ammo_mult;

	cnt = list_slays(f, mask, desc, NULL, mult, TRUE);
	for (i = 0; i < cnt; i++)
	{
		int melee_adj_mult = ammo ? 0 : 1; /* ammo mult adds fully, melee mult is times 1, so adds 1 less */
		/* Include bonus damage and slay in stated average */
		total_dam = dam * (multiplier + mult[i] - melee_adj_mult) + xtra_precrit;
		total_dam = (total_dam * crit_mult + crit_add) / crit_div;
		total_dam += xtra_postcrit;
		if (weapon) 
			total_dam = (total_dam * old_blows) / 100;
		else
			total_dam *= p_ptr->state.num_shots;
		

		if (total_dam <= 0)
			textblock_append_c(tb, TERM_L_RED, "%d", 0);
		else if (total_dam % 10)
			textblock_append_c(tb, TERM_L_GREEN, "%d.%d",
					total_dam / 10, total_dam % 10);
		else
			textblock_append_c(tb, TERM_L_GREEN, "%d", total_dam / 10);


		textblock_append(tb, " vs. %s, ", desc[i]);
	}

	if (cnt) textblock_append(tb, "and ");

	/* Include bonus damage in stated average */
	total_dam = dam * multiplier + xtra_precrit;
	total_dam = (total_dam * crit_mult + crit_add) / crit_div;
	total_dam += xtra_postcrit;
	if (weapon)
		total_dam = (total_dam * old_blows) / 100;
	else
		total_dam *= p_ptr->state.num_shots;

	if (total_dam <= 0)
		textblock_append_c(tb, TERM_L_RED, "%d", 0);
	else if (total_dam % 10)
		textblock_append_c(tb, TERM_L_GREEN, "%d.%d",
				total_dam / 10, total_dam % 10);
	else
		textblock_append_c(tb, TERM_L_GREEN, "%d", total_dam / 10);

	if (cnt) textblock_append(tb, " vs. others");
	textblock_append(tb, ".\n");

	/* Note the impact flag */
	if (of_has(f, OF_IMPACT))
		textblock_append(tb, "Sometimes creates earthquakes on impact.\n");

	/* Add breakage chance */
	if (ammo)
	{
		int chance = breakage_chance(o_ptr, TRUE);
		textblock_append_c(tb, TERM_L_GREEN, "%d%%", chance);
		textblock_append(tb, " chance of breaking upon contact.\n");
	}

	/* You always have something to say... */
	return TRUE;
}
Exemple #4
0
/*
 * Describe combat advantages.
 */
static bool describe_combat(textblock *tb, const object_type *o_ptr,
		oinfo_detail_t mode)
{
	bool full = mode & OINFO_FULL;

	object_type *bow = &p_ptr->inventory[INVEN_BOW];

	bitflag f[OF_SIZE];

	bool weapon = (wield_slot(o_ptr) == INVEN_WIELD);
	bool ammo   = (p_ptr->state.ammo_tval == o_ptr->tval) &&
	              (bow->kind);

	/* The player's hypothetical state, were they to wield this item */
	player_state state;

	/* Abort if we've nothing to say */
	if (mode & OINFO_DUMMY) return FALSE;

	if (!weapon && !ammo) {
		/* Potions can have special text */
		if (o_ptr->tval != TV_POTION ||
				o_ptr->dd == 0 || o_ptr->ds == 0 ||
				!object_flavor_is_aware(o_ptr))
			return FALSE;

		textblock_append(tb, "It can be thrown at creatures with damaging effect.\n");
		return TRUE;
	}

	if (full)
		object_flags(o_ptr, f);
	else
		object_flags_known(o_ptr, f);

	textblock_append_c(tb, TERM_L_WHITE, "Combat info:\n");

	if (weapon)	{
		object_type inven[INVEN_TOTAL];

		memcpy(inven, p_ptr->inventory, INVEN_TOTAL * sizeof(object_type));
		inven[INVEN_WIELD] = *o_ptr;

		if (full) object_know_all_flags(&inven[INVEN_WIELD]);

		/* Calculate the player's hypothetical state */
		calc_bonuses(inven, &state, TRUE);

		/* Warn about heavy weapons */
		if (adj_str_hold[state.stat_ind[A_STR]] < o_ptr->weight / 10)
			textblock_append_c(tb, TERM_L_RED, "You are too weak to use this weapon.\n");

		/* Describe blows */
		describe_blows(tb, o_ptr, state, f);
	} else { /* Ammo */
		/* Range of the weapon */
		int tdis = 6 + 2 * p_ptr->state.ammo_mult;

		/* Output the range */
		textblock_append(tb, "Hits targets up to ");
		textblock_append_c(tb, TERM_L_GREEN, format("%d", tdis * 10));
		textblock_append(tb, " feet away.\n");
	}

	/* Describe damage */
	describe_damage(tb, o_ptr, state, f, mode);

	/* Note the impact flag */
	if (of_has(f, OF_IMPACT))
		textblock_append(tb, "Sometimes creates earthquakes on impact.\n");

	/* Add breakage chance */
	if (ammo) {
		int chance = breakage_chance(o_ptr, TRUE);
		textblock_append_c(tb, TERM_L_GREEN, "%d%%", chance);
		textblock_append(tb, " chance of breaking upon contact.\n");
	}

	/* Something has been said */
	return TRUE;
}
Exemple #5
0
/**
 * This is a helper function used by do_cmd_throw and do_cmd_fire.
 *
 * It abstracts out the projectile path, display code, identify and clean up
 * logic, while using the 'attack' parameter to do work particular to each
 * kind of attack.
 */
static void ranged_helper(int item, int dir, int range, int shots, ranged_attack attack) {
	/* Get the ammo */
	object_type *o_ptr = object_from_item_idx(item);

	int i, j;
	byte missile_attr = object_attr(o_ptr);
	char missile_char = object_char(o_ptr);

	object_type object_type_body;
	object_type *i_ptr = &object_type_body;

	char o_name[80];

	int path_n;
	u16b path_g[256];

	int msec = op_ptr->delay_factor;

	/* Start at the player */
	int x = p_ptr->px;
	int y = p_ptr->py;

	/* Predict the "target" location */
	s16b ty = y + 99 * ddy[dir];
	s16b tx = x + 99 * ddx[dir];

	bool hit_target = FALSE;

	/* Check for target validity */
	if ((dir == 5) && target_okay()) {
		int taim;
		char msg[80];
		target_get(&tx, &ty);
		taim = distance(y, x, ty, tx);
		if (taim > range) {
			sprintf (msg, "Target out of range by %d squares. Fire anyway? ",
				taim - range);
			if (!get_check(msg)) return;
		}
	}

	/* Sound */
	sound(MSG_SHOOT);

	object_notice_on_firing(o_ptr);

	/* Describe the object */
	object_desc(o_name, sizeof(o_name), o_ptr, ODESC_FULL | ODESC_SINGULAR);

	/* Actually "fire" the object -- Take a partial turn */
	p_ptr->energy_use = (100 / shots);

	/* Calculate the path */
	path_n = project_path(path_g, range, y, x, ty, tx, 0);

	/* Hack -- Handle stuff */
	handle_stuff(p_ptr);

	/* Start at the player */
	x = p_ptr->px;
	y = p_ptr->py;

	/* Project along the path */
	for (i = 0; i < path_n; ++i) {
		int ny = GRID_Y(path_g[i]);
		int nx = GRID_X(path_g[i]);

		/* Hack -- Stop before hitting walls */
		if (!cave_floor_bold(ny, nx)) break;

		/* Advance */
		x = nx;
		y = ny;

		/* Only do visuals if the player can "see" the missile */
		if (player_can_see_bold(y, x)) {
			print_rel(missile_char, missile_attr, y, x);
			move_cursor_relative(y, x);

			Term_fresh();
			if (p_ptr->redraw) redraw_stuff(p_ptr);

			Term_xtra(TERM_XTRA_DELAY, msec);
			cave_light_spot(cave, y, x);

			Term_fresh();
			if (p_ptr->redraw) redraw_stuff(p_ptr);
		} else {
			/* Delay anyway for consistency */
			Term_xtra(TERM_XTRA_DELAY, msec);
		}

		/* Handle monster */
		if (cave->m_idx[y][x] > 0) break;
	}

	/* Try the attack on the monster at (x, y) if any */
	if (cave->m_idx[y][x] > 0) {
		monster_type *m_ptr = cave_monster(cave, cave->m_idx[y][x]);
		monster_race *r_ptr = &r_info[m_ptr->r_idx];
		int visible = m_ptr->ml;

		bool fear = FALSE;
		char m_name[80];
		const char *note_dies = monster_is_unusual(r_ptr) ? " is destroyed." : " dies.";

		struct attack_result result = attack(o_ptr, y, x);
		int dmg = result.dmg;
		u32b msg_type = result.msg_type;
		const char *hit_verb = result.hit_verb;

		if (result.success) {
			hit_target = TRUE;

			/* Get "the monster" or "it" */
			monster_desc(m_name, sizeof(m_name), m_ptr, 0);
		
			object_notice_attack_plusses(o_ptr);
		
			/* No negative damage; change verb if no damage done */
			if (dmg <= 0) {
				dmg = 0;
				hit_verb = "fail to harm";
			}
		
			if (!visible) {
				/* Invisible monster */
				msgt(MSG_SHOOT_HIT, "The %s finds a mark.", o_name);
			} else {
				/* Visible monster */
				if (msg_type == MSG_SHOOT_HIT)
					msgt(MSG_SHOOT_HIT, "The %s %s %s.", o_name, hit_verb, m_name);
				else if (msg_type == MSG_HIT_GOOD) {
					msgt(MSG_HIT_GOOD, "The %s %s %s. %s", o_name, hit_verb, m_name, "It was a good hit!");
				} else if (msg_type == MSG_HIT_GREAT) {
					msgt(MSG_HIT_GREAT, "The %s %s %s. %s", o_name, hit_verb, m_name,
						 "It was a great hit!");
				} else if (msg_type == MSG_HIT_SUPERB) {
					msgt(MSG_HIT_SUPERB, "The %s %s %s. %s", o_name, hit_verb, m_name,
						 "It was a superb hit!");
				}
		
				/* Track this monster */
				if (m_ptr->ml) monster_race_track(m_ptr->r_idx);
				if (m_ptr->ml) health_track(p_ptr, cave->m_idx[y][x]);
			}
		
			/* Complex message */
			if (p_ptr->wizard)
				msg("You do %d (out of %d) damage.", dmg, m_ptr->hp);
		
			/* Hit the monster, check for death */
			if (!mon_take_hit(cave->m_idx[y][x], dmg, &fear, note_dies)) {
				message_pain(cave->m_idx[y][x], dmg);
				if (fear && m_ptr->ml)
					add_monster_message(m_name, cave->m_idx[y][x], MON_MSG_FLEE_IN_TERROR, TRUE);
			}
		}
	}

	/* Obtain a local object */
	object_copy(i_ptr, o_ptr);
	object_split(i_ptr, o_ptr, 1);

	/* See if the ammunition broke or not */
	j = breakage_chance(i_ptr, hit_target);

	/* Drop (or break) near that location */
	drop_near(cave, i_ptr, j, y, x, TRUE);

	if (item >= 0) {
		/* The ammo is from the inventory */
		inven_item_increase(item, -1);
		inven_item_describe(item);
		inven_item_optimize(item);
	} else {
		/* The ammo is from the floor */
		floor_item_increase(0 - item, -1);
		floor_item_optimize(0 - item);
	}
}
Exemple #6
0
/**
 * This is a helper function used by do_cmd_throw and do_cmd_fire.
 *
 * It abstracts out the projectile path, display code, identify and clean up
 * logic, while using the 'attack' parameter to do work particular to each
 * kind of attack.
 */
static void ranged_helper(struct object *obj, int dir, int range, int shots,
						  ranged_attack attack)
{
	int i, j;

	char o_name[80];

	int path_n;
	struct loc path_g[256];

	/* Start at the player */
	int x = player->px;
	int y = player->py;

	/* Predict the "target" location */
	int ty = y + 99 * ddy[dir];
	int tx = x + 99 * ddx[dir];

	bool hit_target = FALSE;
	bool none_left = FALSE;

	struct object *missile;

	/* Check for target validity */
	if ((dir == 5) && target_okay()) {
		int taim;
		target_get(&tx, &ty);
		taim = distance(y, x, ty, tx);
		if (taim > range) {
			char msg[80];
			strnfmt(msg, sizeof(msg),
					"Target out of range by %d squares. Fire anyway? ",
				taim - range);
			if (!get_check(msg)) return;
		}
	}

	/* Sound */
	sound(MSG_SHOOT);

	/* Describe the object */
	object_desc(o_name, sizeof(o_name), obj, ODESC_FULL | ODESC_SINGULAR);

	/* Actually "fire" the object -- Take a partial turn */
	player->upkeep->energy_use = (z_info->move_energy / shots);

	/* Calculate the path */
	path_n = project_path(path_g, range, y, x, ty, tx, 0);

	/* Hack -- Handle stuff */
	handle_stuff(player);

	/* Start at the player */
	x = player->px;
	y = player->py;

	/* Project along the path */
	for (i = 0; i < path_n; ++i) {
		struct monster *mon = NULL;
		int ny = path_g[i].y;
		int nx = path_g[i].x;
		bool see = square_isseen(cave, ny, nx);

		/* Stop before hitting walls */
		if (!(square_ispassable(cave, ny, nx)) &&
			!(square_isprojectable(cave, ny, nx)))
			break;

		/* Advance */
		x = nx;
		y = ny;

		/* Tell the UI to display the missile */
		event_signal_missile(EVENT_MISSILE, obj, see, y, x);

		/* Try the attack on the monster at (x, y) if any */
		mon = square_monster(cave, y, x);
		if (mon) {
			int visible = mflag_has(mon->mflag, MFLAG_VISIBLE);

			bool fear = FALSE;
			const char *note_dies = monster_is_unusual(mon->race) ? 
				" is destroyed." : " dies.";

			struct attack_result result = attack(obj, y, x);
			int dmg = result.dmg;
			u32b msg_type = result.msg_type;
			char hit_verb[20];
			my_strcpy(hit_verb, result.hit_verb, sizeof(hit_verb));
			mem_free(result.hit_verb);

			if (result.success) {
				hit_target = TRUE;

				object_notice_attack_plusses(obj);

				/* Learn by use for other equipped items */
				equip_notice_to_hit_on_attack(player);

				/* No negative damage; change verb if no damage done */
				if (dmg <= 0) {
					dmg = 0;
					msg_type = MSG_MISS;
					my_strcpy(hit_verb, "fails to harm", sizeof(hit_verb));
				}

				if (!visible) {
					/* Invisible monster */
					msgt(MSG_SHOOT_HIT, "The %s finds a mark.", o_name);
				} else {
					for (j = 0; j < (int)N_ELEMENTS(ranged_hit_types); j++) {
						char m_name[80];
						const char *dmg_text = "";

						if (msg_type != ranged_hit_types[j].msg)
							continue;

						if (OPT(show_damage))
							dmg_text = format(" (%d)", dmg);

						monster_desc(m_name, sizeof(m_name), mon, MDESC_OBJE);

						if (ranged_hit_types[j].text)
							msgt(msg_type, "Your %s %s %s%s. %s", o_name, 
								 hit_verb, m_name, dmg_text, 
								 ranged_hit_types[j].text);
						else
							msgt(msg_type, "Your %s %s %s%s.", o_name, hit_verb,
								 m_name, dmg_text);
					}
					
					/* Track this monster */
					if (mflag_has(mon->mflag, MFLAG_VISIBLE)) {
						monster_race_track(player->upkeep, mon->race);
						health_track(player->upkeep, mon);
					}
				}

				/* Hit the monster, check for death */
				if (!mon_take_hit(mon, dmg, &fear, note_dies)) {
					message_pain(mon, dmg);
					if (fear && mflag_has(mon->mflag, MFLAG_VISIBLE)) {
						char m_name[80];
						monster_desc(m_name, sizeof(m_name), mon, 
									 MDESC_DEFAULT);
						add_monster_message(m_name, mon, 
											MON_MSG_FLEE_IN_TERROR, TRUE);
					}
				}
			}
			/* Stop the missile */
			break;
		}

		/* Stop if non-projectable but passable */
		if (!(square_isprojectable(cave, ny, nx))) 
			break;
	}

	/* Get the missile */
	if (object_is_carried(player, obj))
		missile = gear_object_for_use(obj, 1, TRUE, &none_left);
	else
		missile = floor_object_for_use(obj, 1, TRUE, &none_left);

	/* Drop (or break) near that location */
	drop_near(cave, missile, breakage_chance(missile, hit_target), y, x, TRUE);
}
Exemple #7
0
/*
 * Fire an object from the pack or floor.
 *
 * You may only fire items that "match" your missile launcher.
 *
 * See "calc_bonuses()" for more calculations and such.
 *
 * Note that "firing" a missile is MUCH better than "throwing" it.
 *
 * Note: "unseen" monsters are very hard to hit.
 *
 * Objects are more likely to break if they "attempt" to hit a monster.
 *
 * Rangers (with Bows) and Anyone (with "Extra Shots") get extra shots.
 * The "extra shot" code works by decreasing the amount of energy
 * required to make each shot, spreading the shots out over time.
 *
 * Note that when firing missiles, the launcher multiplier is applied
 * after all the bonuses are added in, making multipliers very useful.
 *
 * Note that Bows of "Extra Might" get extra range and an extra bonus
 * for the damage multiplier.
 */
void do_cmd_fire(cmd_code code, cmd_arg args[])
{
	int dir, item;
	int i, j, y, x;
	s16b ty, tx;
	int tdam, tdis, thits;
	int bonus, chance;

	object_type *o_ptr;
	object_type *j_ptr;

	object_type *i_ptr;
	object_type object_type_body;

	bool hit_body = FALSE;

	byte missile_attr;
	char missile_char;

	char o_name[80];

	u32b msg_type = 0;

	int path_n;
	u16b path_g[256];

	int msec = op_ptr->delay_factor * op_ptr->delay_factor;

	/* Get the "bow" */
	j_ptr = &p_ptr->inventory[INVEN_BOW];

	/* Require a usable launcher */
	if (!j_ptr->tval || !p_ptr->state.ammo_tval)
	{
		msg_print("You have nothing to fire with.");
		return;
	}

	/* Get item to fire and direction to fire in. */
	item = args[0].item;
	dir = args[1].direction;

	/* Check the item being fired is usable by the player. */
	if (!item_is_available(item, NULL, (USE_EQUIP | USE_INVEN | USE_FLOOR)))
	{
		msg_format("That item is not within your reach.");
		return;
	}

	/* Get the object for the ammo */
	o_ptr = object_from_item_idx(item);

	/* Check the ammo can be used with the launcher */
	if (o_ptr->tval != p_ptr->state.ammo_tval)
	{
		msg_format("That ammo cannot be fired by your current weapon.");
		return;
	}

	/* Base range XXX XXX */
	tdis = 6 + 2 * p_ptr->state.ammo_mult;

	/* Start at the player */
	x = p_ptr->px;
	y = p_ptr->py;

	/* Predict the "target" location */
	ty = y + 99 * ddy[dir];
	tx = x + 99 * ddx[dir];

	/* Check for target validity */
	if ((dir == 5) && target_okay())
	{
		target_get(&tx, &ty);
		if (distance(y, x, ty, tx) > tdis)
		{
			if (!get_check("Target out of range.  Fire anyway? "))
				return;
		}
	}

	/* Sound */
	sound(MSG_SHOOT);

	object_notice_on_firing(o_ptr);

	/* Describe the object */
	object_desc(o_name, sizeof(o_name), o_ptr, ODESC_FULL | ODESC_SINGULAR);

	/* Find the color and symbol for the object for throwing */
	missile_attr = object_attr(o_ptr);
	missile_char = object_char(o_ptr);

	/* Use the proper number of shots */
	thits = p_ptr->state.num_fire;

	/* Actually "fire" the object */
	bonus = (p_ptr->state.to_h + o_ptr->to_h + j_ptr->to_h);
	chance = p_ptr->state.skills[SKILL_TO_HIT_BOW] +
			(bonus * BTH_PLUS_ADJ);

	/* Take a (partial) turn */
	p_ptr->energy_use = (100 / thits);

	/* Calculate the path */
	path_n = project_path(path_g, tdis, y, x, ty, tx, 0);

	/* Hack -- Handle stuff */
	handle_stuff();

	/* Project along the path */
	for (i = 0; i < path_n; ++i)
	{
		int ny = GRID_Y(path_g[i]);
		int nx = GRID_X(path_g[i]);

		/* Hack -- Stop before hitting walls */
		if (!cave_floor_bold(ny, nx)) break;

		/* Advance */
		x = nx;
		y = ny;

		/* Only do visuals if the player can "see" the missile */
		if (player_can_see_bold(y, x))
		{
			/* Visual effects */
			print_rel(missile_char, missile_attr, y, x);
			move_cursor_relative(y, x);

			Term_fresh();
			if (p_ptr->redraw) redraw_stuff();

			Term_xtra(TERM_XTRA_DELAY, msec);
			light_spot(y, x);

			Term_fresh();
			if (p_ptr->redraw) redraw_stuff();
		}

		/* Delay anyway for consistency */
		else
		{
			/* Pause anyway, for consistancy */
			Term_xtra(TERM_XTRA_DELAY, msec);
		}

		/* Handle monster */
		if (cave_m_idx[y][x] > 0)
		{
			monster_type *m_ptr = &mon_list[cave_m_idx[y][x]];
			monster_race *r_ptr = &r_info[m_ptr->r_idx];

			int chance2 = chance - distance(p_ptr->py, p_ptr->px, y, x);
			int visible = m_ptr->ml;
			int multiplier = 1;

			const char *hit_verb = "hits";
			const slay_t *best_s_ptr = NULL;

			/* Note the collision */
			hit_body = TRUE;

			/* Did we hit it (penalize distance travelled) */
			if (test_hit(chance2, r_ptr->ac, m_ptr->ml))
			{
				bool fear = FALSE;

				/* Assume a default death */
				cptr note_dies = " dies.";

				improve_attack_modifier(o_ptr, m_ptr, &best_s_ptr);
				improve_attack_modifier(j_ptr, m_ptr, &best_s_ptr);
				if (best_s_ptr != NULL)
					hit_verb = best_s_ptr->range_verb;

				/* Some monsters get "destroyed" */
				if (monster_is_unusual(r_ptr))
				{
					/* Special note at death */
					note_dies = " is destroyed.";
				}

				/* Calculate multiplier */
				multiplier = p_ptr->state.ammo_mult;
				if (best_s_ptr != NULL) multiplier += best_s_ptr->mult;

				/* Apply damage: multiplier, slays, criticals, bonuses */
				tdam = damroll(o_ptr->dd, o_ptr->ds);
				tdam += o_ptr->to_d + j_ptr->to_d;
				tdam *= multiplier;
				tdam = critical_shot(o_ptr->weight, o_ptr->to_h, tdam, &msg_type);

				object_notice_attack_plusses(o_ptr);
				object_notice_attack_plusses(&p_ptr->inventory[INVEN_BOW]);

				/* No negative damage; change verb if no damage done */
				if (tdam <= 0)
				{
					tdam = 0;
					hit_verb = "fail to harm";
				}

				/* Handle unseen monster */
				if (!visible)
				{
					/* Invisible monster */
					message_format(MSG_SHOOT_HIT, 0, "The %s finds a mark.", o_name);
				}

				/* Handle visible monster */
				else
				{
					char m_name[80];

					/* Get "the monster" or "it" */
					monster_desc(m_name, sizeof(m_name), m_ptr, 0);

					/* Tell the player what happened */
					if (msg_type == MSG_SHOOT_HIT)
						message_format(MSG_SHOOT_HIT, 0, "The %s %s %s.", o_name, hit_verb, m_name);
					else
					{
						if (msg_type == MSG_HIT_GOOD)
						{
							message_format(MSG_HIT_GOOD, 0, "The %s %s %s. %s", o_name, hit_verb, m_name,
										   "It was a good hit!");
						}
						else if (msg_type == MSG_HIT_GREAT)
						{
							message_format(MSG_HIT_GREAT, 0, "The %s %s %s. %s", o_name, hit_verb, m_name,
										   "It was a great hit!");
						}
						else if (msg_type == MSG_HIT_SUPERB)
						{
							message_format(MSG_HIT_SUPERB, 0, "The %s %s %s. %s", o_name, hit_verb, m_name,
										   "It was a superb hit!");
						}
					}
					/* Hack -- Track this monster race */
					if (m_ptr->ml) monster_race_track(m_ptr->r_idx);

					/* Hack -- Track this monster */
					if (m_ptr->ml) health_track(cave_m_idx[y][x]);

				}

				/* Complex message */
				if (p_ptr->wizard)
				{
					msg_format("You do %d (out of %d) damage.",
					           tdam, m_ptr->hp);
				}

				/* Hit the monster, check for death */
				if (mon_take_hit(cave_m_idx[y][x], tdam, &fear, note_dies))
				{
					/* Dead monster */
				}

				/* No death */
				else
				{
					/* Message */
					message_pain(cave_m_idx[y][x], tdam);

					/* Take note */
					if (fear && m_ptr->ml)
					{
						char m_name[80];

						/* Get the monster name (or "it") */
						monster_desc(m_name, sizeof(m_name), m_ptr, 0);

						/* Message */
						message_format(MSG_FLEE, m_ptr->r_idx,
						               "%^s flees in terror!", m_name);
					}
				}
			}

			/* Stop looking */
			break;
		}
	}



	/* Get local object */
	i_ptr = &object_type_body;

	/* Obtain a local object */
	object_copy(i_ptr, o_ptr);

	/* Single object */
	i_ptr->number = 1;

	if (item >= 0)
	{
		inven_item_increase(item, -1);
		inven_item_describe(item);
		inven_item_optimize(item);
	}

	/* Reduce and describe floor item */
	else
	{
		floor_item_increase(0 - item, -1);
		floor_item_optimize(0 - item);
	}


	/* Chance of breakage (during attacks) */
	j = (hit_body ? breakage_chance(i_ptr) : 0);

	/* Drop (or break) near that location */
	drop_near(i_ptr, j, y, x, TRUE);
}
Exemple #8
0
/*
 * Throw an object from the pack or floor.
 *
 * Note: "unseen" monsters are very hard to hit.
 *
 * Should throwing a weapon do full damage?  Should it allow the magic
 * to hit bonus of the weapon to have an effect?  Should it ever cause
 * the item to be destroyed?  Should it do any damage at all?
 */
void do_cmd_throw(cmd_code code, cmd_arg args[])
{
	int dir, item;
	int i, j, y, x;
	s16b ty, tx;
	int chance, tdam, tdis;
	int weight;

	object_type *o_ptr;

	object_type *i_ptr;
	object_type object_type_body;

	bool hit_body = FALSE;

	byte missile_attr;
	char missile_char;

	char o_name[80];

	u32b msg_type = 0;

	int path_n;
	u16b path_g[256];

	int msec = op_ptr->delay_factor * op_ptr->delay_factor;

	/* Get item to throw and direction in which to throw it. */
	item = args[0].item;
	dir = args[1].direction;

	/* Make sure the player isn't throwing wielded items */
	if (item >= INVEN_WIELD && item < QUIVER_START)
	{
		msg_print("You have cannot throw wielded items.");
		return;
	}

	/* Check the item being thrown is usable by the player. */
	if (!item_is_available(item, NULL, (USE_EQUIP | USE_INVEN | USE_FLOOR)))
	{
		msg_format("That item is not within your reach.");
		return;
	}

	/* Get the object */
	o_ptr = object_from_item_idx(item);
	object_notice_on_firing(o_ptr);

	/* Get local object */
	i_ptr = &object_type_body;

	/* Obtain a local object */
	object_copy(i_ptr, o_ptr);

	/* Distribute the charges of rods/wands/staves between the stacks */
	distribute_charges(o_ptr, i_ptr, 1);

	/* Single object */
	i_ptr->number = 1;

	/* Reduce and describe inventory */
	if (item >= 0)
	{
		inven_item_increase(item, -1);
		inven_item_describe(item);
		inven_item_optimize(item);
	}

	/* Reduce and describe floor item */
	else
	{
		floor_item_increase(0 - item, -1);
		floor_item_optimize(0 - item);
	}


	/* Description */
	object_desc(o_name, sizeof(o_name), i_ptr, ODESC_FULL);

	/* Find the color and symbol for the object for throwing */
	missile_attr = object_attr(i_ptr);
	missile_char = object_char(i_ptr);


	/* Enforce a minimum "weight" of one pound */
	weight = ((i_ptr->weight > 10) ? i_ptr->weight : 10);

	/* Hack -- Distance -- Reward strength, penalize weight */
	tdis = (adj_str_blow[p_ptr->state.stat_ind[A_STR]] + 20) * 10 / weight;

	/* Max distance of 10 */
	if (tdis > 10) tdis = 10;

	/* Hack -- Base damage from thrown object */
	tdam = damroll(i_ptr->dd, i_ptr->ds);
	if (!tdam) tdam = 1;
	tdam += i_ptr->to_d;

	/* Chance of hitting */
	chance = (p_ptr->state.skills[SKILL_TO_HIT_THROW] + (p_ptr->state.to_h * BTH_PLUS_ADJ));


	/* Take a turn */
	p_ptr->energy_use = 100;


	/* Start at the player */
	y = p_ptr->py;
	x = p_ptr->px;

	/* Predict the "target" location */
	ty = p_ptr->py + 99 * ddy[dir];
	tx = p_ptr->px + 99 * ddx[dir];

	/* Check for "target request" */
	if ((dir == 5) && target_okay())
	{
		target_get(&tx, &ty);
	}

	/* Calculate the path */
	path_n = project_path(path_g, tdis, p_ptr->py, p_ptr->px, ty, tx, 0);


	/* Hack -- Handle stuff */
	handle_stuff();

	/* Project along the path */
	for (i = 0; i < path_n; ++i)
	{
		int ny = GRID_Y(path_g[i]);
		int nx = GRID_X(path_g[i]);

		/* Hack -- Stop before hitting walls */
		if (!cave_floor_bold(ny, nx)) break;

		/* Advance */
		x = nx;
		y = ny;

		/* Only do visuals if the player can "see" the missile */
		if (player_can_see_bold(y, x))
		{
			/* Visual effects */
			print_rel(missile_char, missile_attr, y, x);
			move_cursor_relative(y, x);

			Term_fresh();
			if (p_ptr->redraw) redraw_stuff();

			Term_xtra(TERM_XTRA_DELAY, msec);
			light_spot(y, x);

			Term_fresh();
			if (p_ptr->redraw) redraw_stuff();
		}

		/* Delay anyway for consistency */
		else
		{
			/* Pause anyway, for consistancy */
			Term_xtra(TERM_XTRA_DELAY, msec);
		}

		/* Handle monster */
		if (cave_m_idx[y][x] > 0)
		{
			monster_type *m_ptr = &mon_list[cave_m_idx[y][x]];
			monster_race *r_ptr = &r_info[m_ptr->r_idx];

			int chance2 = chance - distance(p_ptr->py, p_ptr->px, y, x);

			int visible = m_ptr->ml;

			/* Note the collision */
			hit_body = TRUE;

			/* Did we hit it (penalize range) */
			if (test_hit(chance2, r_ptr->ac, m_ptr->ml))
			{
				const char *hit_verb = "hits";
				bool fear = FALSE;
				const slay_t *best_s_ptr = NULL;

				/* Assume a default death */
				cptr note_dies = " dies.";

				/* Some monsters get "destroyed" */
				if (monster_is_unusual(r_ptr))
				{
					/* Special note at death */
					note_dies = " is destroyed.";
				}

				/* Apply special damage  - brought forward to fill in hit_verb XXX XXX XXX */
				improve_attack_modifier(i_ptr, m_ptr, &best_s_ptr);
				if (best_s_ptr != NULL)
				{
					tdam *= best_s_ptr->mult;
					hit_verb = best_s_ptr->range_verb;
				}
				/* Apply special damage XXX XXX XXX */
				tdam = critical_shot(i_ptr->weight, i_ptr->to_h, tdam, &msg_type);

				/* No negative damage; change verb if no damage done */
				if (tdam <= 0)
				{
					tdam = 0;
					hit_verb = "fail to harm";
				}

				/* Handle unseen monster */
				if (!visible)
				{
					/* Invisible monster */
					msg_format("The %s finds a mark.", o_name);
				}

				/* Handle visible monster */
				else
				{
					char m_name[80];

					/* Get "the monster" or "it" */
					monster_desc(m_name, sizeof(m_name), m_ptr, 0);

					/* Tell the player what happened */
					if (msg_type == MSG_SHOOT_HIT)
						message_format(MSG_SHOOT_HIT, 0, "The %s %s %s.", o_name, hit_verb, m_name);
					else
					{
						if (msg_type == MSG_HIT_GOOD)
						{
							message_format(MSG_HIT_GOOD, 0, "The %s %s %s. %s", o_name, hit_verb, m_name,
										   "It was a good hit!");
						}
						else if (msg_type == MSG_HIT_GREAT)
						{
							message_format(MSG_HIT_GREAT, 0, "The %s %s %s. %s", o_name, hit_verb, m_name,
										   "It was a great hit!");
						}
						else if (msg_type == MSG_HIT_SUPERB)
						{
							message_format(MSG_HIT_SUPERB, 0, "The %s %s %s. %s", o_name, hit_verb, m_name,
										   "It was a superb hit!");
						}
					}
					/* Hack -- Track this monster race */
					if (m_ptr->ml) monster_race_track(m_ptr->r_idx);

					/* Hack -- Track this monster */
					if (m_ptr->ml) health_track(cave_m_idx[y][x]);
				}

				/* Learn the bonuses */
				/* XXX Eddie This is messed up, better done for firing, */
				/* should use that method [split last] instead */
				/* check if inven_optimize removed what o_ptr referenced */
				if (object_similar(i_ptr, o_ptr, OSTACK_PACK))
					object_notice_attack_plusses(o_ptr);
				object_notice_attack_plusses(i_ptr);

				/* Complex message */
				if (p_ptr->wizard)
					msg_format("You do %d (out of %d) damage.",
							   tdam, m_ptr->hp);

				/* Hit the monster, check for death */
				if (mon_take_hit(cave_m_idx[y][x], tdam, &fear, note_dies))
				{
					/* Dead monster */
				}

				/* No death */
				else
				{
					/* Message */
					message_pain(cave_m_idx[y][x], tdam);

					/* Take note */
					if (fear && m_ptr->ml)
					{
						char m_name[80];

						/* Get the monster name (or "it") */
						monster_desc(m_name, sizeof(m_name), m_ptr, 0);

						/* Message */
						message_format(MSG_FLEE, m_ptr->r_idx,
						               "%^s flees in terror!", m_name);
					}
				}
			}

			/* Stop looking */
			break;
		}
	}

	/* Chance of breakage (during attacks) */
	j = (hit_body ? breakage_chance(i_ptr) : 0);

	/* Drop (or break) near that location */
	drop_near(i_ptr, j, y, x, TRUE);
}
/*
 * Handle monster hitting a real trap.
 */
void mon_hit_trap(int m_idx, int y, int x)
{
	feature_type *f_ptr;
	monster_type *m_ptr = &m_list[m_idx];
	monster_race *r_ptr = &r_info[m_ptr->r_idx];

	int feat = cave_feat[y][x];

	bool fear;

	/* Option */
	if (!variant_hit_traps) return;

	/* Hack --- don't activate unknown invisible traps */
	if (cave_feat[y][x] == FEAT_INVIS) return;

	/* Get feature */
	f_ptr = &f_info[cave_feat[y][x]];

	/* Hack --- trapped doors */
	/* XXX XXX Dangerous */
	while (!(f_ptr->spell) && !(f_ptr->blow.method) && (f_ptr->flags1 & (FF1_TRAP)))
	{
		pick_trap(y,x);

		/* Error */
		if (cave_feat[y][x] == feat) break;

		feat = cave_feat[y][x];

		/* Get feature */
		f_ptr = &f_info[feat];

	}

	/* Use covered or bridged if necessary */
	if ((f_ptr->flags2 & (FF2_COVERED)) || (f_ptr->flags2 & (FF2_BRIDGED)))
	{
		f_ptr = &f_info[f_ptr->mimic];
	}

	/* Hack -- monster falls onto trap */
	if ((m_ptr->fy!=y)|| (m_ptr->fx !=x))
	{
		/* Move monster */
		monster_swap(m_ptr->fy, m_ptr->fx, y, x);
	}

	/* Apply the object */
	if ((cave_o_idx[y][x]) && (f_ptr->flags1 & (FF1_HIT_TRAP)))
	{
		object_type *o_ptr = &o_list[cave_o_idx[y][x]];

		char o_name[80];

		int power = 0;

		switch (o_ptr->tval)
		{
			case TV_BOW:
			{
				object_type *j_ptr;
				u32b f1,f2,f3;

				int i, shots = 1;

				/* Get bow */
				j_ptr = o_ptr;

				/* Get bow flags */
				object_flags(o_ptr,&f1,&f2,&f3);

				/* Apply extra shots */
				if (f1 & (TR1_SHOTS)) shots += j_ptr->pval;

				/* Test for hit */
				for (i = 0; i < shots; i++)
				{
					if (j_ptr->next_o_idx)
					{
						int ammo = j_ptr->next_o_idx;
						object_type *i_ptr;
						object_type object_type_body;

						/* Use ammo instead of bow */
						o_ptr = &o_list[ammo];

						/* Describe ammo */
						object_desc(o_name, sizeof(o_name), o_ptr, TRUE, 0);

						if ((ammo) && (test_hit_fire((j_ptr->to_h + o_ptr->to_h)* BTH_PLUS_ADJ + f_ptr->power,  r_ptr->ac * (r_ptr->flags2 & (RF2_ARMOR) ? 2 : 1), TRUE)))
						{
							int k, mult;

							switch (j_ptr->sval)
							{
								case SV_SLING:
								case SV_SHORT_BOW:
								mult = 2;
								break;
								case SV_LONG_BOW:
								case SV_LIGHT_XBOW:
									mult = 3;
									break;
								case SV_HEAVY_XBOW:
									mult = 4;
									break;
								default:
									mult = 1;
									break;
							}

							/* Apply extra might */
							if (f1 & (TR1_MIGHT)) mult += j_ptr->pval;

							k = damroll(o_ptr->dd, o_ptr->ds);
							k *= mult;

							k = tot_dam_aux(o_ptr, k, m_ptr);

							k = critical_shot(o_ptr->weight, o_ptr->to_h + j_ptr->to_h, k);
							k += o_ptr->to_d + j_ptr->to_d;

							/* No negative damage */
							if (k < 0) k = 0;

							/* Trap description */
							msg_format("%^s hits you.",o_name);

							/* Damage, check for fear and death */
							(void)mon_take_hit(cave_m_idx[y][x], k, &fear, NULL);

						}
						else
						{
							/* Trap description */
							msg_format("%^s narrowly misses you.",o_name);
						}

						/* Get local object */
						i_ptr = &object_type_body;

						/* Obtain a local object */
						object_copy(i_ptr, o_ptr);

						/* Modify quantity */
						i_ptr->number = 1;

						/* Drop nearby - some chance of breakage */
						drop_near(i_ptr,y,x,breakage_chance(i_ptr));

						/* Decrease the item */
						floor_item_increase(ammo, -1);
						floor_item_optimize(ammo);

						break;
					}
					else
					{
						/* Disarm */
						cave_alter_feat(y,x,FS_DISARM);
					}
				}
			}

			case TV_SHOT:
			case TV_ARROW:
			case TV_BOLT:
			case TV_HAFTED:
			case TV_SWORD:
			case TV_POLEARM:
			{
				object_type *i_ptr;
				object_type object_type_body;

				/* Describe ammo */
				object_desc(o_name, sizeof(o_name), o_ptr, TRUE, 0);

				/* Test for hit */
				if (test_hit_norm(o_ptr->to_h * BTH_PLUS_ADJ + f_ptr->power, r_ptr->ac, TRUE))
				{
					int k;

					k = damroll(o_ptr->dd, o_ptr->ds);

					k = tot_dam_aux(o_ptr, k, m_ptr);

					k = critical_norm(o_ptr->weight, o_ptr->to_h, k);
					k += o_ptr->to_d;

					/* Armour reduces total damage */
					k -= (k * ((p_ptr->ac < 150) ? p_ptr->ac : 150) / 250);

					/* No negative damage */
					if (k < 0) k = 0;

					/* Trap description */
					msg_format("%^s hits you.",o_name);

					/* Damage, check for fear and death */
					(void)mon_take_hit(cave_m_idx[y][x], k, &fear, NULL);

				}
				else
				{
					/* Trap description */
					msg_format("%^s narrowly misses you.",o_name);					
				}

				/* Get local object */
				i_ptr = &object_type_body;

				/* Obtain a local object */
				object_copy(i_ptr, o_ptr);

				/* Modify quantity */
				i_ptr->number = 1;

				/* Drop nearby - some chance of breakage */
				drop_near(i_ptr,y,x,breakage_chance(i_ptr));

				/* Decrease the item */
				floor_item_increase(cave_o_idx[y][x], -1);
				floor_item_optimize(cave_o_idx[y][x]);

				/* Disarm if runs out */
				if (!cave_o_idx[y][x]) cave_alter_feat(y,x,FS_DISARM);

				break;
			}

			case TV_WAND:
			case TV_STAFF:
			{
				if (o_ptr->pval > 0)
				{
					/* Get item effect */
					get_spell(&power, "use", o_ptr, FALSE);

					/* XXX Hack -- new unstacking code */
					o_ptr->stackc++;

					/* No spare charges */	
					if (o_ptr->stackc >= o_ptr->number)
					{
						/* Use a charge off the stack */
						o_ptr->pval--;

						/* Reset the stack count */
						o_ptr->stackc = 0;
					}

					/* XXX Hack -- unstack if necessary */
					if ((o_ptr->number > 1) &&
					((!variant_pval_stacks) || 
					((!object_known_p(o_ptr) && (o_ptr->pval == 2) && (o_ptr->stackc > 1)) ||
					  (!object_known_p(o_ptr) && (rand_int(o_ptr->number) <= o_ptr->stackc) &&
					  (o_ptr->stackc != 1) && (o_ptr->pval > 2)))))
					{
						object_type *i_ptr;
						object_type object_type_body;

						/* Get local object */
						i_ptr = &object_type_body;

						/* Obtain a local object */
						object_copy(i_ptr, o_ptr);

						/* Modify quantity */
						i_ptr->number = 1;

						/* Reset stack counter */
						i_ptr->stackc = 0;
 
				 		/* Unstack the used item */
				 		o_ptr->number--;

						/* Reduce the charges on the new item */
						if (o_ptr->stackc > 1)
						{
							i_ptr->pval-=2;
							o_ptr->stackc--;
						}
						else if (!o_ptr->stackc)
						{
							i_ptr->pval--;
							o_ptr->pval++;
							o_ptr->stackc = o_ptr->number-1;
						}

						(void)floor_carry(y,x,i_ptr);
					}
				}
				else
				{
					/* Disarm if runs out */
					cave_alter_feat(y,x,FS_DISARM);
				}

				break;
			}

			case TV_ROD:
			case TV_DRAG_ARMOR:
			{
				if (!((o_ptr->timeout) && ((!o_ptr->stackc) || (o_ptr->stackc >= o_ptr->number))))
				{
					int tmpval;

					/* Store pval */
					tmpval = o_ptr->timeout;

					/* Time rod out */
					o_ptr->timeout = o_ptr->pval;

					/* Get item effect */
					get_spell(&power, "use", o_ptr, FALSE);

					/* Has a power */
					/* Hack -- check if we are stacking rods */
					if ((o_ptr->timeout > 0) && (!(tmpval) || stack_force_times))
					{
						/* Hack -- one more rod charging */
						if (o_ptr->timeout) o_ptr->stackc++;

						/* Reset stack count */
						if (o_ptr->stackc == o_ptr->number) o_ptr->stackc = 0;

						/* Hack -- always use maximum timeout */
						if (tmpval > o_ptr->timeout) o_ptr->timeout = tmpval;
					}

					/* XXX Hack -- unstack if necessary */
					if ((o_ptr->number > 1) && (o_ptr->timeout > 0))
					{
						object_type *i_ptr;
						object_type object_type_body;

						/* Get local object */
						i_ptr = &object_type_body;

						/* Obtain a local object */
						object_copy(i_ptr, o_ptr);

						/* Modify quantity */
						i_ptr->number = 1;

						/* Clear stack counter */
						i_ptr->stackc = 0;

						/* Restore "charge" */
						o_ptr->timeout = tmpval;

						/* Unstack the used item */
						o_ptr->number--;

						/* Reset the stack if required */
						if (o_ptr->stackc == o_ptr->number) o_ptr->stackc = 0;

						(void)floor_carry(y,x,i_ptr);
					}
				}
				break;
			}

			case TV_POTION:
			case TV_SCROLL:
			case TV_FLASK:
			case TV_FOOD:
			{
				/* Hack -- boring food */
				if ((o_ptr->tval == TV_FOOD) && (o_ptr->sval >= SV_FOOD_MIN_FOOD))
				{
					/* Disarm */
					cave_alter_feat(y,x,FS_DISARM);
				}
				else
				{
					/* Get item effect */
					get_spell(&power, "use", o_ptr, FALSE);

					/* Decrease the item */
					floor_item_increase(cave_o_idx[y][x], -1);
					floor_item_optimize(cave_o_idx[y][x]);

					/* Disarm if runs out */
					if (!cave_o_idx[y][x]) cave_alter_feat(y,x,FS_DISARM);
				}

				break;
			}

			case TV_RUNESTONE:
			{
				u32b runes = p_ptr->cur_runes;

				int num = 0;
				s16b book[26];

				/* Hack -- use current rune */
				p_ptr->cur_runes = (2 << (o_ptr->sval-1));

				/* Fill the book with spells */
				fill_book(o_ptr,book,&num);

				/* Unhack */
				p_ptr->cur_runes = runes;

				/* Get a power */
				power = book[rand_int(num)];

				/* Decrease the item */
				floor_item_increase(cave_o_idx[y][x], -1);
				floor_item_optimize(cave_o_idx[y][x]);

				/* Disarm if runs out */
				if (!cave_o_idx[y][x]) cave_alter_feat(y,x,FS_DISARM);

				break;
			}

			default:
			{
				/* Disarm */
				cave_alter_feat(y,x,FS_DISARM);

				break;
			}
		}

		/* Has a power */
		if (power > 0)
		{
			spell_type *s_ptr = &s_info[power];

			int ap_cnt;

			/* Object is used */
			if (k_info[o_ptr->k_idx].used < MAX_SHORT) k_info[o_ptr->k_idx].used++;

			/* Scan through all four blows */
			for (ap_cnt = 0; ap_cnt < 4; ap_cnt++)
			{
				int damage = 0;

				/* Extract the attack infomation */
				int effect = s_ptr->blow[ap_cnt].effect;
				int method = s_ptr->blow[ap_cnt].method;
				int d_dice = s_ptr->blow[ap_cnt].d_dice;
				int d_side = s_ptr->blow[ap_cnt].d_side;
				int d_plus = s_ptr->blow[ap_cnt].d_plus;

				/* Hack -- no more attacks */
				if (!method) break;

				/* Mega hack -- dispel evil/undead objects */
				if (!d_side)
				{
					d_plus += 25 * d_dice;
				}

				/* Roll out the damage */
				if ((d_dice) && (d_side))
				{
					damage = damroll(d_dice, d_side) + d_plus;
				}
				else
				{
					damage = d_plus;
				}

				(void)project_m(0,0,y,x,damage, effect);
				(void)project_f(0,0,y,x,damage, effect);
			}
		}
	}

	/* Regular traps */
	else
	{
		if (f_ptr->spell)
		{
	      		make_attack_spell_aux(0,y,x,f_ptr->spell);
		}
		else if (f_ptr->blow.method)
		{
			int damage = damroll(f_ptr->blow.d_side,f_ptr->blow.d_dice);
   
			/* Apply the blow */
			project_m(0, 0, y, x, damage, f_ptr->blow.effect);
		}

		/* Get feature */
		f_ptr = &f_info[cave_feat[p_ptr->py][p_ptr->px]];

		if (f_ptr->flags1 & (FF1_HIT_TRAP))
		{
			/* Modify the location hit by the trap */
			cave_alter_feat(y,x,FS_HIT_TRAP);
		}
		else if (f_ptr->flags1 & (FF1_SECRET))
		{
			/* Discover */
			cave_alter_feat(y,x,FS_SECRET);
		}
	}
}