Beispiel #1
0
/*
 * Load the attr/char at each point along "path" which is on screen from
 * "a" and "c". This was saved in draw_path().
 */
static void load_path(u16b path_n, u16b *path_g, char *c, byte *a)
{
	int i;
	for (i = 0; i < path_n; i++)
	{
		if (!panel_contains(GRID_Y(path_g[i]), GRID_X(path_g[i]))) continue;

		move_cursor_relative(GRID_Y(path_g[i]), GRID_X(path_g[i]));

		(void)Term_addch(a[i], c[i]);
	}

	(void)Term_fresh();
}
Beispiel #2
0
/*!
 * @brief モンスターにとってボルト型魔法が有効な状態かを返す /
 * Determine if a bolt spell will hit the player.
 * @param y1 ボルト魔法発射地点のY座標
 * @param x1 ボルト魔法発射地点のX座標
 * @param y2 ボルト魔法目標地点のY座標
 * @param x2 ボルト魔法目標地点のX座標
 * @param is_friend モンスターがプレイヤーに害意を持たない(ペットか友好的)ならばTRUEをつける
 * @return ボルト型魔法が有効ならばTRUEを返す。
 * @details
 * Originally, it was possible for a friendly to shoot another friendly.\n
 * Change it so a "clean shot" means no equally friendly monster is\n
 * between the attacker and target.\n
 *\n
 * This is exactly like "projectable", but it will\n
 * return FALSE if a monster is in the way.\n
 * no equally friendly monster is\n
 * between the attacker and target.\n
 */
bool clean_shot(int y1, int x1, int y2, int x2, bool is_friend)
{
	/* Must be the same as projectable() */

	int i, y, x;

	int grid_n = 0;
	u16b grid_g[512];

	/* Check the projection path */
	grid_n = project_path(grid_g, MAX_RANGE, y1, x1, y2, x2, 0);

	/* No grid is ever projectable from itself */
	if (!grid_n) return (FALSE);

	/* Final grid */
	y = GRID_Y(grid_g[grid_n-1]);
	x = GRID_X(grid_g[grid_n-1]);

	/* May not end in an unrequested grid */
	if ((y != y2) || (x != x2)) return (FALSE);

	for (i = 0; i < grid_n; i++)
	{
		y = GRID_Y(grid_g[i]);
		x = GRID_X(grid_g[i]);

		if ((cave[y][x].m_idx > 0) && !((y == y2) && (x == x2)))
		{
			monster_type *m_ptr = &m_list[cave[y][x].m_idx];
			if (is_friend == is_pet(m_ptr))
			{
				return (FALSE);
			}
		}
		/* Pets may not shoot through the character - TNB */
		if (player_bold(y, x))
		{
			if (is_friend) return (FALSE);
		}
	}

	return (TRUE);
}
Beispiel #3
0
/**
 * Load the attr/char at each point along "path" which is on screen from
 * "a" and "c". This was saved in draw_path().
 */
static void load_path(u16b path_n, u16b *path_g, wchar_t *c, int *a) {
	int i;
	for (i = 0; i < path_n; i++) {
		int y = GRID_Y(path_g[i]);
		int x = GRID_X(path_g[i]);

		if (!panel_contains(y, x)) continue;
		move_cursor_relative(y, x);
		Term_addch(a[i], c[i]);
	}

	Term_fresh();
}
Beispiel #4
0
/*!
 * @brief モンスターが特殊能力の目標地点を決める処理 /
 * Get the actual center point of ball spells (rad > 1) (originally from TOband)
 * @param sy 始点のY座標
 * @param sx 始点のX座標
 * @param ty 目標Y座標を返す参照ポインタ
 * @param tx 目標X座標を返す参照ポインタ
 * @param flg 判定のフラグ配列
 * @return なし
 */
void get_project_point(int sy, int sx, int *ty, int *tx, int flg)
{
	u16b path_g[128];
	int  path_n, i;

	path_n = project_path(path_g, MAX_RANGE, sy, sx, *ty, *tx, flg);

	*ty = sy;
	*tx = sx;

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

		/* Hack -- Balls explode before reaching walls */
		if (!cave_have_flag_bold(sy, sx, FF_PROJECT)) break;

		*ty = sy;
		*tx = sx;
	}
}
Beispiel #5
0
/*!
 * @brief モンスターが敵対モンスターにビームを当てること可能かを判定する /
 * Determine if a beam spell will hit the target.
 * @param y1 始点のY座標
 * @param x1 始点のX座標
 * @param y2 目標のY座標
 * @param x2 目標のX座標
 * @param m_ptr 使用するモンスターの構造体参照ポインタ
 * @return ビームが到達可能ならばTRUEを返す
 */
static bool direct_beam(int y1, int x1, int y2, int x2, monster_type *m_ptr)
{
	bool hit2 = FALSE;
	int i, y, x;

	int grid_n = 0;
	u16b grid_g[512];

	bool is_friend = is_pet(m_ptr);

	/* Check the projection path */
	grid_n = project_path(grid_g, MAX_RANGE, y1, x1, y2, x2, PROJECT_THRU);

	/* No grid is ever projectable from itself */
	if (!grid_n) return (FALSE);

	for (i = 0; i < grid_n; i++)
	{
		y = GRID_Y(grid_g[i]);
		x = GRID_X(grid_g[i]);

		if (y == y2 && x == x2)
			hit2 = TRUE;
		else if (is_friend && cave[y][x].m_idx > 0 &&
			 !are_enemies(m_ptr, &m_list[cave[y][x].m_idx]))
		{
			/* Friends don't shoot friends */
			return FALSE;
		}

		if (is_friend && player_bold(y, x))
			return FALSE;
	}
	if (!hit2)
		return FALSE;
	return TRUE;
}
Beispiel #6
0
/*
 * Draw a visible path over the squares between (x1,y1) and (x2,y2).
 * The path consists of "*", which are white except where there is a
 * monster, object or feature in the grid.
 *
 * This routine has (at least) three weaknesses:
 * - remembered objects/walls which are no longer present are not shown,
 * - squares which (e.g.) the player has walked through in the dark are
 *   treated as unknown space.
 * - walls which appear strange due to hallucination aren't treated correctly.
 *
 * The first two result from information being lost from the dungeon arrays,
 * which requires changes elsewhere
 */
static int draw_path(u16b path_n, u16b *path_g, char *c, byte *a, int y1, int x1, int cur_tar_y, int cur_tar_x)
{
	int i;
	bool on_screen;
	byte color_type;

	/* No path, so do nothing. */
	if (path_n < 1) return (FALSE);

	/* The starting square is never drawn, but notice if it is being
     * displayed. In theory, it could be the last such square.
     */
	on_screen = panel_contains(y1, x1);

	/* Draw the path. */
	for (i = 0; i < path_n; i++)
	{
		/* Find the co-ordinates on the level. */
		int y = GRID_Y(path_g[i]);
		int x = GRID_X(path_g[i]);

		byte this_a;
		char this_c;

		/*
		 * As path[] is a straight line and the screen is oblong,
		 * there is only section of path[] on-screen.
		 * If the square being drawn is visible, this is part of it.
		 * If none of it has been drawn, continue until some of it
		 * is found or the last square is reached.
		 * If some of it has been drawn, finish now as there are no
		 * more visible squares to draw.
		 *
		 */
		 if (panel_contains(y,x)) on_screen = TRUE;
		 else if (on_screen) break;
		 else continue;

	 	/* Find the position on-screen */
		move_cursor_relative(y,x);

		/* This square is being overwritten, so save the original. */
		Term_what(Term->scr->cx, Term->scr->cy, a+i, c+i);

		/* Choose a colour. */
		/* Visible monsters are orange. */
		if (cave_m_idx[y][x] && mon_list[cave_m_idx[y][x]].ml)
		{
			monster_type *m_ptr = &mon_list[cave_m_idx[y][x]];

			/*mimics act as objects*/
			if (m_ptr->mimic_k_idx) color_type = TERM_YELLOW;
			else color_type = TERM_ORANGE;
		}

		/* Known objects are yellow. */
		else if (cave_o_idx[y][x] && o_list[cave_o_idx[y][x]].marked)
		{
			color_type = TERM_YELLOW;
    	}

		/* Effects are green */
		else if ((cave_x_idx[y][x] > 0) && (cave_info[y][x] & (CAVE_SEEN | CAVE_MARK)))
		{
			color_type = TERM_GREEN;
		}

		/* Known walls are blue. */
		else if (!cave_project_bold(y,x) &&
				((cave_info[y][x] & (CAVE_MARK)) ||	player_can_see_bold(y,x)))
		{
			color_type = TERM_BLUE;
		}
		/* Unknown squares are grey. */
		else if (!(cave_info[y][x] & (CAVE_MARK)) && !player_can_see_bold(y,x))
		{
			color_type = TERM_L_DARK;
		}
		/* Unoccupied squares are white. */
		else
		{
			color_type = TERM_WHITE;
		}

		/* ALways use red for the current target square */
		if ((cur_tar_y == y) && (cur_tar_x == x)) color_type = TERM_RED;

		/* Get the character */
		if (!use_graphics)
		{
			this_a = color_type;
			this_c = '*';
		}
		/* Graphics are being used */
		else
		{
			this_a = color_to_attr[TILE_BALL_INFO][color_type];
			this_c = color_to_char[TILE_BALL_INFO][color_type];
		}

		/* Visual effects -- Display */
		print_rel(this_c, this_a, y, x);
	}
	return i;
}
Beispiel #7
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);
	}
}
Beispiel #8
0
/**
 * Draw a visible path over the squares between (x1,y1) and (x2,y2).
 *
 * The path consists of "*", which are white except where there is a
 * monster, object or feature in the grid.
 *
 * This routine has (at least) three weaknesses:
 * - remembered objects/walls which are no longer present are not shown,
 * - squares which (e.g.) the player has walked through in the dark are
 *   treated as unknown space.
 * - walls which appear strange due to hallucination aren't treated correctly.
 *
 * The first two result from information being lost from the dungeon arrays,
 * which requires changes elsewhere
 */
static int draw_path(u16b path_n, u16b *path_g, wchar_t *c, int *a, int y1, int x1)
{
	int i;
	bool on_screen;

	/* No path, so do nothing. */
	if (path_n < 1) return 0;

	/* The starting square is never drawn, but notice if it is being
     * displayed. In theory, it could be the last such square.
     */
	on_screen = panel_contains(y1, x1);

	/* Draw the path. */
	for (i = 0; i < path_n; i++) {
		byte colour;

		/* Find the co-ordinates on the level. */
		int y = GRID_Y(path_g[i]);
		int x = GRID_X(path_g[i]);

		/*
		 * As path[] is a straight line and the screen is oblong,
		 * there is only section of path[] on-screen.
		 * If the square being drawn is visible, this is part of it.
		 * If none of it has been drawn, continue until some of it
		 * is found or the last square is reached.
		 * If some of it has been drawn, finish now as there are no
		 * more visible squares to draw.
		 */
		 if (panel_contains(y,x)) on_screen = TRUE;
		 else if (on_screen) break;
		 else continue;

	 	/* Find the position on-screen */
		move_cursor_relative(y,x);

		/* This square is being overwritten, so save the original. */
		Term_what(Term->scr->cx, Term->scr->cy, a+i, c+i);

		/* Choose a colour. */
		if (cave->m_idx[y][x] && cave_monster_at(cave, y, x)->ml) {
			/* Visible monsters are red. */
			monster_type *m_ptr = cave_monster_at(cave, y, x);

			/* Mimics act as objects */
			if (rf_has(m_ptr->race->flags, RF_UNAWARE)) 
				colour = TERM_YELLOW;
			else
				colour = TERM_L_RED;
		}

		else if (cave->o_idx[y][x] && object_byid(cave->o_idx[y][x])->marked)
			/* Known objects are yellow. */
			colour = TERM_YELLOW;

		else if (!cave_ispassable(cave, y,x) &&
				 ((cave->info[y][x] & (CAVE_MARK)) || player_can_see_bold(y,x)))
			/* Known walls are blue. */
			colour = TERM_BLUE;

		else if (!(cave->info[y][x] & (CAVE_MARK)) && !player_can_see_bold(y,x))
			/* Unknown squares are grey. */
			colour = TERM_L_DARK;

		else
			/* Unoccupied squares are white. */
			colour = TERM_WHITE;

		/* Draw the path segment */
		(void)Term_addch(colour, L'*');
	}
	return i;
}
Beispiel #9
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);
}
Beispiel #10
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);
}
Beispiel #11
0
_rush_result _rush_attack(int rng, _rush_type type)
{
    _rush_result result = _rush_cancelled;
    int tx, ty;
    int tm_idx = 0;
    u16b path_g[32];
    int path_n, i;
    bool moved = FALSE;
    int flg = 0;
    int dis = 0;

    if (type == _rush_normal)
        flg = PROJECT_STOP | PROJECT_KILL;
    else if (type == _rush_acrobatic)
        flg = PROJECT_THRU | PROJECT_KILL;
    else
        flg = PROJECT_DISI | PROJECT_THRU;

    if (!p_ptr->duelist_target_idx)
    {
        msg_print("You need to select a foe first (Mark Target).");
        return result;
    }

    tm_idx = p_ptr->duelist_target_idx;
    tx = m_list[tm_idx].fx;
    ty = m_list[tm_idx].fy;

    dis = distance(ty, tx, py, px);

    /* Foe must be visible.  For all charges except the phase charge, the
       foe must also be in your line of sight */
    if (!m_list[p_ptr->duelist_target_idx].ml ||
        (type != _rush_phase && !los(ty, tx, py, px)))
    {
        msg_format("%^s is not in your line of sight.", duelist_current_challenge());
        return result;
    }

    if (dis > rng)
    {
        msg_format("Your foe is out of range (%d vs %d).", dis, rng);
        if (!get_check("Charge anyway? ")) return result;
    }

    project_length = rng;
    path_n = project_path(path_g, project_length, py, px, ty, tx, flg);
    project_length = 0;

    if (!path_n) return result;

    result = _rush_failed;

    /* Use ty and tx as to-move point */
    ty = py;
    tx = px;

    /* Scrolling the cave would invalidate our path! */
    if (!dun_level && !p_ptr->wild_mode && !p_ptr->inside_arena && !p_ptr->inside_battle)
        wilderness_scroll_lock = TRUE;

    /* Project along the path */
    for (i = 0; i < path_n; i++)
    {
        monster_type *m_ptr;
        cave_type *c_ptr;
        bool can_enter = FALSE;
        bool old_pass_wall = p_ptr->pass_wall;

        int ny = GRID_Y(path_g[i]);
        int nx = GRID_X(path_g[i]);
        c_ptr = &cave[ny][nx];

        switch (type)
        {
        case _rush_normal:
            can_enter = cave_empty_bold(ny, nx) && player_can_enter(c_ptr->feat, 0);
            break;

        case _rush_acrobatic:
            can_enter = !c_ptr->m_idx && player_can_enter(c_ptr->feat, 0);
            break;
        
        case _rush_phase:
            p_ptr->pass_wall = TRUE;
            can_enter = !c_ptr->m_idx && player_can_enter(c_ptr->feat, 0);
            p_ptr->pass_wall = old_pass_wall;
            break;
        }

        if (can_enter)
        {
            ty = ny;
            tx = nx;
            continue;
        }

        if (!c_ptr->m_idx)
        {
            msg_print("Failed!");
            break;
        }

        /* Move player before updating the monster */
        if (!player_bold(ty, tx)) move_player_effect(ty, tx, MPE_FORGET_FLOW | MPE_HANDLE_STUFF | MPE_DONT_PICKUP);
        moved = TRUE;

        /* Update the monster */
        update_mon(c_ptr->m_idx, TRUE);

        /* Found a monster */
        m_ptr = &m_list[c_ptr->m_idx];

        /* But it is not the monster we seek! */
        if (tm_idx != c_ptr->m_idx)
        {
            /* Acrobatic Charge attempts to displace monsters on route */
            if (type == _rush_acrobatic)
            {
                /* Swap position of player and monster */
                set_monster_csleep(c_ptr->m_idx, 0);
                move_player_effect(ny, nx, MPE_FORGET_FLOW | MPE_HANDLE_STUFF | MPE_DONT_PICKUP);
                ty = ny;
                tx = nx;
                continue;
            }
            /* Normal Charge just attacks first monster on route */
            else
                msg_format("There is %s in the way!", m_ptr->ml ? (tm_idx ? "another monster" : "a monster") : "someone");
        }

        /* Attack the monster */
        if (tm_idx == p_ptr->duelist_target_idx) result = _rush_succeeded;
        py_attack(ny, nx, 0);
        break;
    }

    if (!moved && !player_bold(ty, tx)) move_player_effect(ty, tx, MPE_FORGET_FLOW | MPE_HANDLE_STUFF | MPE_DONT_PICKUP);
    if (!dun_level && !p_ptr->wild_mode && !p_ptr->inside_arena && !p_ptr->inside_battle)
    {
        wilderness_scroll_lock = FALSE;
        wilderness_move_player(px, py);
    }
    return result;
}
Beispiel #12
0
/*!
 * @brief モンスターが敵対モンスターに直接ブレスを当てることが可能かを判定する /
 * Determine if a breath will hit the target.
 * @param y1 始点のY座標
 * @param x1 始点のX座標
 * @param y2 目標のY座標
 * @param x2 目標のX座標
 * @param rad 半径
 * @param typ 効果属性ID
 * @param is_friend TRUEならば、プレイヤーを巻き込む時にブレスの判定をFALSEにする。
 * @return ブレスを直接当てられるならばTRUEを返す
 */
static bool breath_direct(int y1, int x1, int y2, int x2, int rad, int typ, bool is_friend)
{
	/* Must be the same as projectable() */

	int i;

	/* Initial grid */
	int y = y1;
	int x = x1;

	int grid_n = 0;
	u16b grid_g[512];

	int grids = 0;
	byte gx[1024], gy[1024];
	byte gm[32];
	int gm_rad = rad;

	bool hit2 = FALSE;
	bool hityou = FALSE;

	int flg;

	switch (typ)
	{
	case GF_LITE:
	case GF_LITE_WEAK:
		flg = PROJECT_LOS;
		break;
	case GF_DISINTEGRATE:
		flg = PROJECT_DISI;
		break;
	default:
		flg = 0;
		break;
	}

	/* Check the projection path */
	grid_n = project_path(grid_g, MAX_RANGE, y1, x1, y2, x2, flg);

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

		if (flg & PROJECT_DISI)
		{
			/* Hack -- Balls explode before reaching walls */
			if (cave_stop_disintegration(ny, nx)) break;
		}
		else if (flg & PROJECT_LOS)
		{
			/* Hack -- Balls explode before reaching walls */
			if (!cave_los_bold(ny, nx)) break;
		}
		else
		{
			/* Hack -- Balls explode before reaching walls */
			if (!cave_have_flag_bold(ny, nx, FF_PROJECT)) break;
		}

		/* Save the "blast epicenter" */
		y = ny;
		x = nx;
	}

	grid_n = i;

	if (!grid_n)
	{
		if (flg & PROJECT_DISI)
		{
			if (in_disintegration_range(y1, x1, y2, x2) && (distance(y1, x1, y2, x2) <= rad)) hit2 = TRUE;
			if (in_disintegration_range(y1, x1, p_ptr->y, p_ptr->x) && (distance(y1, x1, p_ptr->y, p_ptr->x) <= rad)) hityou = TRUE;
		}
		else if (flg & PROJECT_LOS)
		{
			if (los(y1, x1, y2, x2) && (distance(y1, x1, y2, x2) <= rad)) hit2 = TRUE;
			if (los(y1, x1, p_ptr->y, p_ptr->x) && (distance(y1, x1, p_ptr->y, p_ptr->x) <= rad)) hityou = TRUE;
		}
		else
		{
			if (projectable(y1, x1, y2, x2) && (distance(y1, x1, y2, x2) <= rad)) hit2 = TRUE;
			if (projectable(y1, x1, p_ptr->y, p_ptr->x) && (distance(y1, x1, p_ptr->y, p_ptr->x) <= rad)) hityou = TRUE;
		}
	}
	else
	{
		breath_shape(grid_g, grid_n, &grids, gx, gy, gm, &gm_rad, rad, y1, x1, y, x, typ);

		for (i = 0; i < grids; i++)
		{
			/* Extract the location */
			y = gy[i];
			x = gx[i];

			if ((y == y2) && (x == x2)) hit2 = TRUE;
			if (player_bold(y, x)) hityou = TRUE;
		}
	}

	if (!hit2) return FALSE;
	if (is_friend && hityou) return FALSE;

	return TRUE;
}