--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/arogue5/player.c	Thu Aug 09 22:58:48 2012 +0000
@@ -0,0 +1,587 @@
+/*
+ * This file contains functions for dealing with special player abilities
+ *
+ * Advanced Rogue
+ * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
+ * All rights reserved.
+ *
+ * See the file LICENSE.TXT for full copyright and licensing information.
+ */
+
+#include "curses.h"
+#include "rogue.h"
+
+
+/*
+ * affect:
+ *	cleric affecting undead
+ */
+
+affect()
+{
+    register struct linked_list *item;
+    register struct thing *tp;
+    register const char *mname;
+    bool see;
+    coord new_pos;
+
+    if (player.t_ctype != C_CLERIC && cur_relic[HEIL_ANKH] == 0) {
+	msg("Only clerics can affect undead.");
+	return;
+    }
+
+    new_pos.y = hero.y + delta.y;
+    new_pos.x = hero.x + delta.x;
+
+    if (cansee(new_pos.y, new_pos.x)) see = TRUE;
+    else see = FALSE;
+
+    /* Anything there? */
+    if (new_pos.y < 0 || new_pos.y > LINES-3 ||
+	new_pos.x < 0 || new_pos.x > COLS-1 ||
+	mvwinch(mw, new_pos.y, new_pos.x) == ' ') {
+	msg("Nothing to affect.");
+	return;
+    }
+
+    if ((item = find_mons(new_pos.y, new_pos.x)) == NULL) {
+	debug("Affect what @ %d,%d?", new_pos.y, new_pos.x);
+	return;
+    }
+    tp = THINGPTR(item);
+    mname = monsters[tp->t_index].m_name;
+
+    if (on(player, ISINVIS) && off(*tp, CANSEE)) {
+	sprintf(outstring,"%s%s cannot see you", see ? "The " : "It",
+	    see ? mname : "");
+	msg(outstring);
+	return;
+    }
+
+    if (off(*tp, TURNABLE) || on(*tp, WASTURNED)) 
+	goto annoy;
+    turn_off(*tp, TURNABLE);
+
+    /* Can cleric kill it? */
+    if (pstats.s_lvl >= 3 * tp->t_stats.s_lvl) {
+	unsigned long test;	/* For overflow check */
+
+	sprintf(outstring,"You have destroyed %s%s.", see ? "the " : "it", see ? mname : "");
+	msg(outstring);
+	test = pstats.s_exp + tp->t_stats.s_exp;
+
+	/* Be sure there is no overflow before increasing experience */
+	if (test > pstats.s_exp) pstats.s_exp = test;
+	killed(item, FALSE, TRUE);
+	check_level(TRUE);
+	return;
+    }
+
+    /* Can cleric turn it? */
+    if (rnd(100) + 1 >
+	 (100 * ((2 * tp->t_stats.s_lvl) - pstats.s_lvl)) / pstats.s_lvl) {
+	unsigned long test;	/* Overflow test */
+
+	/* Make the monster flee */
+	turn_on(*tp, WASTURNED);	/* No more fleeing after this */
+	turn_on(*tp, ISFLEE);
+	runto(tp, &hero);
+
+	/* Let player know */
+	sprintf(outstring,"You have turned %s%s.", see ? "the " : "it", see ? mname : "");
+	msg(outstring);
+
+	/* get points for turning monster -- but check overflow first */
+	test = pstats.s_exp + tp->t_stats.s_exp/2;
+	if (test > pstats.s_exp) pstats.s_exp = test;
+	check_level(TRUE);
+
+	/* If monster was suffocating, stop it */
+	if (on(*tp, DIDSUFFOCATE)) {
+	    turn_off(*tp, DIDSUFFOCATE);
+	    extinguish(suffocate);
+	}
+
+	/* If monster held us, stop it */
+	if (on(*tp, DIDHOLD) && (--hold_count == 0))
+		turn_off(player, ISHELD);
+	turn_off(*tp, DIDHOLD);
+	return;
+    }
+
+    /* Otherwise -- no go */
+annoy:
+    sprintf(outstring,"You do not affect %s%s.", see ? "the " : "it", see ? mname : "");
+    msg(outstring);
+
+    /* Annoy monster */
+   if (off(*tp, ISFLEE)) runto(tp, &hero);
+}
+
+/*
+ * the magic user is going to try and cast a spell
+ */
+cast()
+{
+    register int i, num_spells, spell_ability;
+    int  which_spell;
+    bool nohw = FALSE;
+
+    i = num_spells = spell_ability = which_spell = 0;
+
+    if (player.t_ctype != C_MAGICIAN && pstats.s_intel < 16) {
+	msg("You are not permitted to cast spells.");
+	return;
+    }
+    if (cur_misc[WEAR_CLOAK] != NULL &&
+	cur_misc[WEAR_CLOAK]->o_which == MM_R_POWERLESS) {
+	msg("You can't seem to cast a spell!");
+	return;
+    }
+    num_spells = 0;
+
+    /* Get the number of avilable spells */
+    if (pstats.s_intel >= 16) 
+	num_spells = pstats.s_intel - 15;
+
+    if (player.t_ctype == C_MAGICIAN) 
+	num_spells += pstats.s_lvl;
+
+    if (num_spells > MAXSPELLS) 
+	num_spells = MAXSPELLS;
+
+    spell_ability = pstats.s_lvl * pstats.s_intel;
+    if (player.t_ctype != C_MAGICIAN)
+	spell_ability /= 2;
+
+    /* Prompt for spells */
+    msg("Which spell are you casting? (* for list): ");
+
+    which_spell = (int) (readchar() - 'a');
+    if (which_spell == (int) ESCAPE - (int) 'a') {
+	mpos = 0;
+	msg("");
+	after = FALSE;
+	return;
+    }
+    if (which_spell >= 0 && which_spell < num_spells) nohw = TRUE;
+
+    else if (slow_invent) {
+	register char c;
+
+	for (i=0; i<num_spells; i++) {
+	    msg("");
+	    mvwaddch(cw, 0, 0, '[');
+	    waddch(cw, (char) ((int) 'a' + i));
+	    waddstr(cw, "] A spell of ");
+	    if (magic_spells[i].s_type == TYP_POTION)
+		waddstr(cw, p_magic[magic_spells[i].s_which].mi_name);
+	    else if (magic_spells[i].s_type == TYP_SCROLL)
+		waddstr(cw, s_magic[magic_spells[i].s_which].mi_name);
+	    else if (magic_spells[i].s_type == TYP_STICK)
+		waddstr(cw, ws_magic[magic_spells[i].s_which].mi_name);
+	    waddstr(cw, morestr);
+	    draw(cw);
+	    do {
+		c = readchar();
+	    } while (c != ' ' && c != ESCAPE);
+	    if (c == ESCAPE)
+		break;
+	}
+	msg("");
+	mvwaddstr(cw, 0, 0, "Which spell are you casting? ");
+	draw(cw);
+    }
+    else {
+	/* Set up for redraw */
+	msg("");
+	clearok(cw, TRUE);
+	touchwin(cw);
+
+	/* Now display the possible spells */
+	wclear(hw);
+	touchwin(hw);
+	mvwaddstr(hw, 2, 0, "	Cost		Spell");
+	mvwaddstr(hw, 3, 0, "-----------------------------------------------");
+	for (i=0; i<num_spells; i++) {
+	    mvwaddch(hw, i+4, 0, '[');
+	    waddch(hw, (char) ((int) 'a' + i));
+	    waddch(hw, ']');
+	    sprintf(prbuf, "	%3d", magic_spells[i].s_cost);
+	    waddstr(hw, prbuf);
+	    waddstr(hw, "	A spell of ");
+	    if (magic_spells[i].s_type == TYP_POTION)
+		waddstr(hw, p_magic[magic_spells[i].s_which].mi_name);
+	    else if (magic_spells[i].s_type == TYP_SCROLL)
+		waddstr(hw, s_magic[magic_spells[i].s_which].mi_name);
+	    else if (magic_spells[i].s_type == TYP_STICK)
+		waddstr(hw, ws_magic[magic_spells[i].s_which].mi_name);
+	}
+	sprintf(prbuf,"[Current spell power = %d]",spell_ability - spell_power);
+	mvwaddstr(hw, 0, 0, prbuf);
+	waddstr(hw, " Which spell are you casting? ");
+	draw(hw);
+    }
+
+    if (!nohw) {
+	which_spell = (int) (wgetch(hw) - 'a');
+	while (which_spell < 0 || which_spell >= num_spells) {
+	    if (which_spell == (int) ESCAPE - (int) 'a') {
+		after = FALSE;
+		return;
+	    }
+	    wmove(hw, 0, 0);
+	    wclrtoeol(hw);
+	    waddstr(hw, "Please enter one of the listed spells. ");
+	    draw(hw);
+	    which_spell = (int) (wgetch(hw) - 'a');
+	}
+    }
+
+    if ((spell_power + magic_spells[which_spell].s_cost) > spell_ability) {
+	msg("Your attempt fails.");
+	return;
+    }
+    if (nohw)
+	msg("Your spell is successful.");
+    else {
+	mvwaddstr(hw, 0, 0, "Your spell is successful.--More--");
+	wclrtoeol(hw);
+	draw(hw);
+	wait_for(hw,' ');
+    }
+    if (magic_spells[which_spell].s_type == TYP_POTION)
+        quaff(	magic_spells[which_spell].s_which,
+        	magic_spells[which_spell].s_flag,
+		FALSE);
+    else if (magic_spells[which_spell].s_type == TYP_SCROLL)
+        read_scroll(	magic_spells[which_spell].s_which,
+        		magic_spells[which_spell].s_flag,
+			FALSE);
+    else if (magic_spells[which_spell].s_type == TYP_STICK) {
+	 if (!do_zap(	TRUE, 
+			magic_spells[which_spell].s_which,
+			magic_spells[which_spell].s_flag)) {
+	     after = FALSE;
+	     return;
+	 }
+    }
+    spell_power += magic_spells[which_spell].s_cost;
+}
+
+/* Constitution bonus */
+
+const_bonus()	/* Hit point adjustment for changing levels */
+{
+    if (pstats.s_const > 6 && pstats.s_const <= 14) 
+	return(0);
+    if (pstats.s_const > 14) 
+	return(pstats.s_const-14);
+    if (pstats.s_const > 3) 
+	return(-1);
+    return(-2);
+}
+
+
+/* Routines for thieves */
+
+/*
+ * gsense:
+ *	Sense gold
+ */
+
+gsense()
+{
+    /* Only thieves can do this */
+    if (player.t_ctype != C_THIEF) {
+	msg("You seem to have no gold sense.");
+	return;
+    }
+
+    if (lvl_obj != NULL) {
+	struct linked_list *gitem;
+	struct object *cur;
+	int gtotal = 0;
+
+	wclear(hw);
+	for (gitem = lvl_obj; gitem != NULL; gitem = next(gitem)) {
+	    cur = OBJPTR(gitem);
+	    if (cur->o_type == GOLD) {
+		gtotal += cur->o_count;
+		mvwaddch(hw, cur->o_pos.y, cur->o_pos.x, GOLD);
+	    }
+	}
+	if (gtotal) {
+	    s_know[S_GFIND] = TRUE;
+	    msg("You sense gold!");
+	    overlay(hw,cw);
+	    return;
+	}
+    }
+    msg("You can sense no gold on this level.");
+}
+
+/* 
+ * the cleric asks his deity for a spell
+ */
+pray()
+{
+    register int i, num_prayers, prayer_ability;
+    int which_prayer;
+    bool nohw = FALSE;
+
+    which_prayer = num_prayers = prayer_ability = i = 0;
+
+    if (player.t_ctype != C_CLERIC && pstats.s_wisdom < 17 &&
+	cur_relic[HEIL_ANKH] == 0) {
+	msg("You are not permitted to pray.");
+	return;
+    }
+    if (cur_misc[WEAR_CLOAK] != NULL &&
+	cur_misc[WEAR_CLOAK]->o_which == MM_R_POWERLESS) {
+	msg("You can't seem to pray!");
+	return;
+    }
+    num_prayers = 0;
+
+    /* Get the number of avilable prayers */
+    if (pstats.s_wisdom > 16) 
+	num_prayers = (pstats.s_wisdom - 15) / 2;
+
+    if (player.t_ctype == C_CLERIC) 
+	num_prayers += pstats.s_lvl;
+
+    if (cur_relic[HEIL_ANKH]) num_prayers += 3;
+
+    if (num_prayers > MAXPRAYERS) 
+	num_prayers = MAXPRAYERS;
+
+    prayer_ability = pstats.s_lvl * pstats.s_wisdom;
+    if (player.t_ctype != C_CLERIC)
+	prayer_ability /= 2;
+
+    if (cur_relic[HEIL_ANKH]) prayer_ability *= 2;
+
+    /* Prompt for prayer */
+    msg("Which prayer are you offering? (* for list): ");
+    which_prayer = (int) (readchar() - 'a');
+    if (which_prayer == (int) ESCAPE - (int) 'a') {
+	mpos = 0;
+	msg("");
+	after = FALSE;
+	return;
+    }
+    if (which_prayer >= 0 && which_prayer < num_prayers) nohw = TRUE;
+
+    else if (slow_invent) {
+	register char c;
+
+	for (i=0; i<num_prayers; i++) {
+	    msg("");
+	    mvwaddch(cw, 0, 0, '[');
+	    waddch(cw, (char) ((int) 'a' + i));
+	    waddstr(cw, "] A prayer for ");
+	    if (cleric_spells[i].s_type == TYP_POTION)
+		waddstr(cw, p_magic[cleric_spells[i].s_which].mi_name);
+	    else if (cleric_spells[i].s_type == TYP_SCROLL)
+		waddstr(cw, s_magic[cleric_spells[i].s_which].mi_name);
+	    else if (cleric_spells[i].s_type == TYP_STICK)
+		waddstr(cw, ws_magic[cleric_spells[i].s_which].mi_name);
+	    waddstr(cw, morestr);
+	    draw(cw);
+	    do {
+		c = readchar();
+	    } while (c != ' ' && c != ESCAPE);
+	    if (c == ESCAPE)
+		break;
+	}
+	msg("");
+	mvwaddstr(cw, 0, 0, "Which prayer are you offering? ");
+	draw(cw);
+    }
+    else {
+	/* Set up for redraw */
+	msg("");
+	clearok(cw, TRUE);
+	touchwin(cw);
+
+	/* Now display the possible prayers */
+	wclear(hw);
+	touchwin(hw);
+	mvwaddstr(hw, 2, 0, "	Cost		Prayer");
+	mvwaddstr(hw, 3, 0, "-----------------------------------------------");
+	for (i=0; i<num_prayers; i++) {
+	    mvwaddch(hw, i+4, 0, '[');
+	    waddch(hw, (char) ((int) 'a' + i));
+	    waddch(hw, ']');
+	    sprintf(prbuf, "	%3d", cleric_spells[i].s_cost);
+	    waddstr(hw, prbuf);
+	    waddstr(hw, "	A prayer for ");
+	    if (cleric_spells[i].s_type == TYP_POTION)
+		waddstr(hw, p_magic[cleric_spells[i].s_which].mi_name);
+	    else if (cleric_spells[i].s_type == TYP_SCROLL)
+		waddstr(hw, s_magic[cleric_spells[i].s_which].mi_name);
+	    else if (cleric_spells[i].s_type == TYP_STICK)
+		waddstr(hw, ws_magic[cleric_spells[i].s_which].mi_name);
+	}
+	sprintf(prbuf,"[Current prayer ability = %d]",prayer_ability-pray_time);
+	mvwaddstr(hw, 0, 0, prbuf);
+	waddstr(hw, " Which prayer are you offering? ");
+	draw(hw);
+    }
+
+    if (!nohw) {
+	which_prayer = (int) (wgetch(hw) - 'a');
+	while (which_prayer < 0 || which_prayer >= num_prayers) {
+	    if (which_prayer == (int) ESCAPE - (int) 'a') {
+		after = FALSE;
+		return;
+	    }
+	    wmove(hw, 0, 0);
+	    wclrtoeol(hw);
+	    mvwaddstr(hw, 0, 0, "Please enter one of the listed prayers.");
+	    draw(hw);
+	    which_prayer = (int) (wgetch(hw) - 'a');
+	}
+    }
+
+
+    if (cleric_spells[which_prayer].s_cost + pray_time > prayer_ability) {
+	msg("Your prayer fails.");
+	return;
+    }
+
+    if (nohw) 
+	msg("Your prayer has been granted.");
+    else {
+	mvwaddstr(hw, 0, 0, "Your prayer has been granted.--More--");
+	wclrtoeol(hw);
+	draw(hw);
+	wait_for(hw,' ');
+    }
+    if (cleric_spells[which_prayer].s_type == TYP_POTION)
+	quaff(		cleric_spells[which_prayer].s_which,
+			cleric_spells[which_prayer].s_flag,
+			FALSE);
+    else if (cleric_spells[which_prayer].s_type == TYP_SCROLL)
+	read_scroll(	cleric_spells[which_prayer].s_which,
+			cleric_spells[which_prayer].s_flag,
+			FALSE);
+    else if (cleric_spells[which_prayer].s_type == TYP_STICK) {
+	 if (!do_zap(	TRUE, 
+			cleric_spells[which_prayer].s_which,
+			cleric_spells[which_prayer].s_flag)) {
+	     after = FALSE;
+	     return;
+	 }
+    }
+    pray_time += cleric_spells[which_prayer].s_cost;
+}
+
+
+
+/*
+ * steal:
+ *	Steal in direction given in delta
+ */
+
+steal()
+{
+    register struct linked_list *item;
+    register struct thing *tp;
+    register const char *mname;
+    coord new_pos;
+    int thief_bonus = -50;
+    bool isinvisible = FALSE;
+
+    new_pos.y = hero.y + delta.y;
+    new_pos.x = hero.x + delta.x;
+
+    if (on(player, ISBLIND)) {
+	msg("You can't see anything.");
+	return;
+    }
+
+    /* Anything there? */
+    if (new_pos.y < 0 || new_pos.y > LINES-3 ||
+	new_pos.x < 0 || new_pos.x > COLS-1 ||
+	mvwinch(mw, new_pos.y, new_pos.x) == ' ') {
+	msg("Nothing to steal from.");
+	return;
+    }
+
+    if ((item = find_mons(new_pos.y, new_pos.x)) == NULL)
+	debug("Steal from what @ %d,%d?", new_pos.y, new_pos.x);
+    tp = THINGPTR(item);
+    if (isinvisible = invisible(tp)) mname = "creature";
+    else mname = monsters[tp->t_index].m_name;
+
+    /* Can player steal something unnoticed? */
+    if (player.t_ctype == C_THIEF) thief_bonus = 10;
+    if (on(*tp, ISUNIQUE)) thief_bonus -= 15;
+    if (isinvisible) thief_bonus -= 20;
+    if (on(*tp, ISINWALL) && off(player, CANINWALL)) thief_bonus -= 50;
+
+    if (rnd(100) <
+	(thief_bonus + 2*dex_compute() + 5*pstats.s_lvl -
+	 5*(tp->t_stats.s_lvl - 3))) {
+	register struct linked_list *s_item, *pack_ptr;
+	int count = 0;
+	unsigned long test;	/* Overflow check */
+
+	s_item = NULL;	/* Start stolen goods out as nothing */
+
+	/* Find a good item to take */
+	for (pack_ptr=tp->t_pack; pack_ptr != NULL; pack_ptr=next(pack_ptr))
+	    if ((OBJPTR(pack_ptr))->o_type != RELIC &&
+		rnd(++count) == 0)
+		s_item = pack_ptr;
+
+	/* 
+	 * Find anything?
+	 *
+	 * if we have a merchant, and his pack is empty then the
+	 * rogue has already stolen once
+	 */
+	if (s_item == NULL) {
+	    if (tp->t_index == NUMMONST)
+		msg("The %s seems to be shielding his pack from you.", mname);
+	    else
+	        msg("The %s apparently has nothing to steal.", mname);
+	    return;
+	}
+
+	/* Take it from monster */
+	if (tp->t_pack) detach(tp->t_pack, s_item);
+
+	/* Give it to player */
+	if (add_pack(s_item, FALSE, NULL) == FALSE) {
+	   (OBJPTR(s_item))->o_pos = hero;
+	   fall(s_item, TRUE);
+	}
+
+	/* Get points for stealing -- but first check for overflow */
+	test = pstats.s_exp + tp->t_stats.s_exp/2;
+	if (test > pstats.s_exp) pstats.s_exp = test;
+
+	/*
+	 * Do adjustments if player went up a level
+	 */
+	check_level(TRUE);
+    }
+
+    else {
+	msg("Your attempt fails.");
+
+	/* Annoy monster (maybe) */
+	if (rnd(35) >= dex_compute() + thief_bonus) {
+	    if (tp->t_index == NUMMONST) {
+		if (!isinvisible)
+		    msg("The %s looks insulted and leaves", mname);
+		killed(item, FALSE, FALSE);
+	    }
+	    else
+	        runto(tp, &hero);
+	}
+    }
+}