1 files changed, 541 insertions, 0 deletions
diff --git a/src/spells4.cc b/src/spells4.cc
new file mode 100644
index 00000000..62586758
--- /dev/null
+++ b/src/spells4.cc
@@ -0,0 +1,541 @@
+#include "spells4.hpp"
+
+#include "cave.hpp"
+#include "cmd5.hpp"
+#include "gods.hpp"
+#include "lua_bind.hpp"
+#include "options.hpp"
+#include "player_type.hpp"
+#include "school_book.hpp"
+#include "spell_type.hpp"
+#include "spells3.hpp"
+#include "spells5.hpp"
+#include "spells6.hpp"
+#include "util.hpp"
+#include "util.h"
+#include "variable.hpp"
+#include "z-rand.hpp"
+
+#include <algorithm>
+#include <array>
+#include <cassert>
+#include <sstream>
+
+static std::array<school_book, SCHOOL_BOOKS_SIZE> &school_books() {
+	static std::array<school_book, SCHOOL_BOOKS_SIZE> *instance = new std::array<school_book, SCHOOL_BOOKS_SIZE>;
+	return *instance;
+}
+
+
+s32b SCHOOL_AIR;
+s32b SCHOOL_AULE;
+s32b SCHOOL_CONVEYANCE;
+s32b SCHOOL_DEMON;
+s32b SCHOOL_DEVICE;
+s32b SCHOOL_DIVINATION;
+s32b SCHOOL_EARTH;
+s32b SCHOOL_ERU;
+s32b SCHOOL_FIRE;
+s32b SCHOOL_GEOMANCY;
+s32b SCHOOL_MANA;
+s32b SCHOOL_MANDOS;
+s32b SCHOOL_MANWE;
+s32b SCHOOL_MELKOR;
+s32b SCHOOL_META;
+s32b SCHOOL_MIND;
+s32b SCHOOL_MUSIC;
+s32b SCHOOL_NATURE;
+s32b SCHOOL_TEMPORAL;
+s32b SCHOOL_TULKAS;
+s32b SCHOOL_UDUN;
+s32b SCHOOL_ULMO;
+s32b SCHOOL_VARDA;
+s32b SCHOOL_WATER;
+s32b SCHOOL_YAVANNA;
+
+static bool_ uses_piety_to_cast(int s)
+{
+	return spell_type_uses_piety_to_cast(spell_at(s));
+}
+
+/** Describe what type of energy the spell uses for casting */
+cptr get_power_name(s32b s)
+{
+	return uses_piety_to_cast(s) ? "piety" : "mana";
+}
+
+/* Changes the amount of power(mana, piety, whatever) for the spell */
+void adjust_power(s32b s, s32b amount)
+{
+	if (uses_piety_to_cast(s))
+	{
+		inc_piety(GOD_ALL, amount);
+	}
+	else
+	{
+		increase_mana(amount);
+	}
+}
+
+/* Return the amount of power available for casting spell */
+s32b get_power(s32b s)
+{
+	return uses_piety_to_cast(s) ? p_ptr->grace : p_ptr->csp;
+}
+
+/* Output the describtion when it is used as a spell */
+void print_spell_desc(int s, int y)
+{
+	spell_type *spell = spell_at(s);
+
+	spell_type_description_foreach(spell,
+				       [&y] (std::string const &text) -> void {
+					       c_prt(TERM_L_BLUE, text.c_str(), y, 0);
+					       y += 1;
+				       });
+
+	if (spell_type_uses_piety_to_cast(spell))
+	{
+		c_prt(TERM_L_WHITE, "It uses piety to cast.", y, 0);
+		y++;
+	}
+
+	if (spell_type_castable_while_blind(spell))
+	{
+		c_prt(TERM_ORANGE, "It is castable even while blinded.", y, 0);
+		y++;
+	}
+
+	if (spell_type_castable_while_confused(spell))
+	{
+		c_prt(TERM_ORANGE, "It is castable even while confused.", y, 0);
+		y++;
+	}
+}
+
+school_book *school_books_at(int i)
+{
+	assert(i >= 0);
+	assert(i < SCHOOL_BOOKS_SIZE);
+	return &school_books()[i];
+}
+
+void school_book_add_spell(school_book *school_book, s32b spell_idx)
+{
+	assert(school_book != nullptr);
+	school_book->spell_idxs.insert(std::begin(school_book->spell_idxs), spell_idx);
+}
+
+int school_book_length(int sval)
+{
+	school_book *school_book = school_books_at(sval);
+	return school_book->spell_idxs.size();
+}
+
+int spell_x(int sval, int spell_idx, int i)
+{
+	assert(i >= 0);
+
+	if (sval == BOOK_RANDOM)
+	{
+		return spell_idx;
+	}
+	else
+	{
+		school_book *school_book = school_books_at(sval);
+		return school_book->spell_idxs.at(i);
+	}
+}
+
+bool_ school_book_contains_spell(int sval, s32b spell_idx)
+{
+	random_book_setup(sval, spell_idx);
+	school_book *school_book = school_books_at(sval);
+	return (school_book->spell_idxs.end() !=
+			std::find(school_book->spell_idxs.begin(),
+				school_book->spell_idxs.end(),
+				spell_idx));
+}
+
+static void push_spell(int book_idx, s32b spell_idx)
+{
+	school_book *school_book = school_books_at(book_idx);
+	assert(school_book != NULL);
+	school_book_add_spell(school_book, spell_idx);
+}
+
+void init_school_books()
+{
+	/* Note: We're adding the spells in the reverse order that
+	   they appear in each book. This is because the list 
+	   operations insert at the front. */
+
+	/* Create the crystal of mana */
+	push_spell(TOME_MANA, MANASHIELD);
+	push_spell(TOME_MANA, RESISTS);
+	push_spell(TOME_MANA, DELCURSES);
+	push_spell(TOME_MANA, MANATHRUST);
+
+	/* The book of the eternal flame */
+	push_spell(TOME_FIRE, FIERYAURA);
+	push_spell(TOME_FIRE, FIREWALL);
+	push_spell(TOME_FIRE, FIREFLASH);
+	push_spell(TOME_FIRE, FIREGOLEM);
+	push_spell(TOME_FIRE, GLOBELIGHT);
+
+	/* The book of the blowing winds */
+	push_spell(TOME_WINDS, THUNDERSTORM);
+	push_spell(TOME_WINDS, AIRWINGS);
+	push_spell(TOME_WINDS, STERILIZE);
+	push_spell(TOME_WINDS, INVISIBILITY);
+	push_spell(TOME_WINDS, POISONBLOOD);
+	push_spell(TOME_WINDS, NOXIOUSCLOUD);
+
+	/* The book of the impenetrable earth */
+	push_spell(TOME_EARTH, STRIKE);
+	push_spell(TOME_EARTH, SHAKE);
+	push_spell(TOME_EARTH, STONEPRISON);
+	push_spell(TOME_EARTH, DIG);
+	push_spell(TOME_EARTH, STONESKIN);
+
+	/* The book of the unstopable wave */
+	push_spell(TOME_WATER, ICESTORM);
+	push_spell(TOME_WATER, TIDALWAVE);
+	push_spell(TOME_WATER, ENTPOTION);
+	push_spell(TOME_WATER, VAPOR);
+	push_spell(TOME_WATER, GEYSER);
+
+	/* Create the book of translocation */
+	push_spell(TOME_TRANSLOCATION, PROBABILITY_TRAVEL);
+	push_spell(TOME_TRANSLOCATION, RECALL);
+	push_spell(TOME_TRANSLOCATION, TELEAWAY);
+	push_spell(TOME_TRANSLOCATION, TELEPORT);
+	push_spell(TOME_TRANSLOCATION, DISARM);
+	push_spell(TOME_TRANSLOCATION, BLINK);
+
+	/* Create the book of the tree */
+	if (game_module_idx == MODULE_THEME)
+	{
+		push_spell(TOME_NATURE, GROW_ATHELAS);
+	}
+	push_spell(TOME_NATURE, SUMMONANNIMAL);
+	push_spell(TOME_NATURE, REGENERATION);
+	push_spell(TOME_NATURE, RECOVERY);
+	push_spell(TOME_NATURE, HEALING);
+	push_spell(TOME_NATURE, GROWTREE);
+
+	/* Create the book of Knowledge */
+	push_spell(TOME_KNOWLEDGE, STARIDENTIFY);
+	push_spell(TOME_KNOWLEDGE, VISION);
+	push_spell(TOME_KNOWLEDGE, IDENTIFY);
+	push_spell(TOME_KNOWLEDGE, REVEALWAYS);
+	push_spell(TOME_KNOWLEDGE, SENSEHIDDEN);
+	push_spell(TOME_KNOWLEDGE, SENSEMONSTERS);
+
+	/* Create the book of the Time */
+	push_spell(TOME_TIME, BANISHMENT);
+	push_spell(TOME_TIME, ESSENCESPEED);
+	push_spell(TOME_TIME, SLOWMONSTER);
+	push_spell(TOME_TIME, MAGELOCK);
+
+	/* Create the book of meta spells */
+	push_spell(TOME_META, INERTIA_CONTROL);
+	push_spell(TOME_META, TRACKER);
+	push_spell(TOME_META, SPELLBINDER);
+	push_spell(TOME_META, DISPERSEMAGIC);
+	push_spell(TOME_META, RECHARGE);
+
+	/* Create the book of the mind */
+	push_spell(TOME_MIND, STUN);
+	push_spell(TOME_MIND, ARMOROFFEAR);
+	push_spell(TOME_MIND, CONFUSE);
+	push_spell(TOME_MIND, CHARM);
+
+	/* Create the book of hellflame */
+	push_spell(TOME_HELLFLAME, FLAMEOFUDUN);
+	push_spell(TOME_HELLFLAME, WRAITHFORM);
+	push_spell(TOME_HELLFLAME, GENOCIDE);
+	push_spell(TOME_HELLFLAME, DRAIN);
+
+	/* Create the book of eru */
+	push_spell(TOME_ERU, ERU_PROT);
+	push_spell(TOME_ERU, ERU_UNDERSTAND);
+	push_spell(TOME_ERU, ERU_LISTEN);
+	push_spell(TOME_ERU, ERU_SEE);
+
+	/* Create the book of manwe */
+	push_spell(TOME_MANWE, MANWE_AVATAR);
+	push_spell(TOME_MANWE, MANWE_CALL);
+	push_spell(TOME_MANWE, MANWE_SHIELD);
+	push_spell(TOME_MANWE, MANWE_BLESS);
+
+	/* Create the book of tulkas */
+	push_spell(TOME_TULKAS, TULKAS_WAVE);
+	push_spell(TOME_TULKAS, TULKAS_SPIN);
+	push_spell(TOME_TULKAS, TULKAS_AIM);
+
+	/* Create the book of melkor */
+	push_spell(TOME_MELKOR, MELKOR_MIND_STEAL);
+	push_spell(TOME_MELKOR, MELKOR_CORPSE_EXPLOSION);
+	push_spell(TOME_MELKOR, MELKOR_CURSE);
+
+	/* Create the book of yavanna */
+	push_spell(TOME_YAVANNA, YAVANNA_UPROOT);
+	push_spell(TOME_YAVANNA, YAVANNA_WATER_BITE);
+	push_spell(TOME_YAVANNA, YAVANNA_TREE_ROOTS);
+	push_spell(TOME_YAVANNA, YAVANNA_GROW_GRASS);
+	push_spell(TOME_YAVANNA, YAVANNA_CHARM_ANIMAL);
+
+	/* Create the book of beginner's cantrip */
+	push_spell(BOOK_CANTRIPS, SENSEHIDDEN);
+	push_spell(BOOK_CANTRIPS, SENSEMONSTERS);
+	push_spell(BOOK_CANTRIPS, BLINK);
+	push_spell(BOOK_CANTRIPS, ENTPOTION);
+	push_spell(BOOK_CANTRIPS, GLOBELIGHT);
+	push_spell(BOOK_CANTRIPS, MANATHRUST);
+
+	/* Create the book of teleporatation */
+	push_spell(BOOK_TELEPORTATION, TELEAWAY);
+	push_spell(BOOK_TELEPORTATION, TELEPORT);
+	push_spell(BOOK_TELEPORTATION, BLINK);
+
+	/* Create the book of summoning */
+	push_spell(BOOK_SUMMONING, SUMMONANNIMAL);
+	push_spell(BOOK_SUMMONING, FIREGOLEM);
+
+	/* Create the Armageddon Demonblade */
+	push_spell(BOOK_DEMON_SWORD, DEMON_FIELD);
+	push_spell(BOOK_DEMON_SWORD, DEMON_MADNESS);
+	push_spell(BOOK_DEMON_SWORD, DEMON_BLADE);
+
+	/* Create the Shield Demonblade */
+	push_spell(BOOK_DEMON_SHIELD, UNHOLY_WORD);
+	push_spell(BOOK_DEMON_SHIELD, DEMON_CLOAK);
+	push_spell(BOOK_DEMON_SHIELD, DOOM_SHIELD);
+
+	/* Create the Control Demonblade */
+	push_spell(BOOK_DEMON_HELM, CONTROL_DEMON);
+	push_spell(BOOK_DEMON_HELM, DISCHARGE_MINION);
+	push_spell(BOOK_DEMON_HELM, DEMON_SUMMON);
+
+	/* Create the Drums */
+	push_spell(BOOK_DRUMS, MUSIC_STUN);
+	push_spell(BOOK_DRUMS, MUSIC_CONF);
+	push_spell(BOOK_DRUMS, MUSIC_HOLD);
+	push_spell(BOOK_DRUMS, MUSIC_STOP);
+
+	/* Create the Harps */
+	push_spell(BOOK_HARPS, MUSIC_MIND);
+	push_spell(BOOK_HARPS, MUSIC_TIME);
+	push_spell(BOOK_HARPS, MUSIC_HEAL);
+	push_spell(BOOK_HARPS, MUSIC_HERO);
+	push_spell(BOOK_HARPS, MUSIC_LITE);
+	push_spell(BOOK_HARPS, MUSIC_STOP);
+
+	/* Create the Horns */
+	push_spell(BOOK_HORNS, MUSIC_AMBARKANTA);
+	push_spell(BOOK_HORNS, MUSIC_YLMIR);
+	push_spell(BOOK_HORNS, MUSIC_WIND);
+	push_spell(BOOK_HORNS, MUSIC_BLOW);
+	push_spell(BOOK_HORNS, MUSIC_STOP);
+
+	/* Book of the Player, filled in by the Library Quest */
+	push_spell(BOOK_PLAYER, -1);
+
+	/* Geomancy spells, not a real book */
+	push_spell(BOOK_GEOMANCY, ELEMENTAL_MINION);
+	push_spell(BOOK_GEOMANCY, GROW_BARRIER);
+	push_spell(BOOK_GEOMANCY, DRIPPING_TREAD);
+	push_spell(BOOK_GEOMANCY, GEOLYSIS);
+	push_spell(BOOK_GEOMANCY, VAPORIZE);
+	push_spell(BOOK_GEOMANCY, ELEMENTAL_WAVE);
+	push_spell(BOOK_GEOMANCY, CHANNEL_ELEMENTS);
+	push_spell(BOOK_GEOMANCY, CALL_THE_ELEMENTS);
+
+	if (game_module_idx == MODULE_THEME)
+	{
+		/* Aule */
+		push_spell(BOOK_AULE, AULE_CHILD);
+		push_spell(BOOK_AULE, AULE_ENCHANT_ARMOUR);
+		push_spell(BOOK_AULE, AULE_ENCHANT_WEAPON);
+		push_spell(BOOK_AULE, AULE_FIREBRAND);
+
+		/* Varda */
+		push_spell(BOOK_VARDA, VARDA_STARKINDLER);
+		push_spell(BOOK_VARDA, VARDA_EVENSTAR);
+		push_spell(BOOK_VARDA, VARDA_CALL_ALMAREN);
+		push_spell(BOOK_VARDA, VARDA_LIGHT_VALINOR);
+
+		/* Ulmo */
+		push_spell(BOOK_ULMO, ULMO_WRATH);
+		push_spell(BOOK_ULMO, ULMO_CALL_ULUMURI);
+		push_spell(BOOK_ULMO, ULMO_DRAUGHT_ULMONAN);
+		push_spell(BOOK_ULMO, ULMO_BELEGAER);
+
+		/* Mandos */
+		push_spell(BOOK_MANDOS, MANDOS_CALL_HALLS);
+		push_spell(BOOK_MANDOS, MANDOS_TALE_DOOM);
+		push_spell(BOOK_MANDOS, MANDOS_SPIRIT_FEANTURI);
+		push_spell(BOOK_MANDOS, MANDOS_TEARS_LUTHIEN);
+    	}
+
+	/* Random spell book; just initialize to anything */
+	push_spell(BOOK_RANDOM, -1);
+}
+
+void random_book_setup(s16b sval, s32b spell_idx)
+{
+	if (sval == BOOK_RANDOM)
+	{
+		school_book *school_book = school_books_at(sval);
+		school_book->spell_idxs.clear();
+		school_book->spell_idxs.push_back(spell_idx);
+	}
+}
+
+static std::string spell_school_name(spell_type *spell)
+{
+	std::ostringstream buf;
+	bool first = true;
+
+	for (s32b school_idx : spell_type_get_schools(spell))
+	{
+		school_type *school = school_at(school_idx);
+		// Add separator?
+		if (first)
+		{
+			first = false; // Skip separator
+		}
+		else
+		{
+			buf << "/";
+		}
+		// Put in the school's name
+		buf << school->name;
+	}
+
+	return buf.str();
+}
+
+int print_spell(cptr label_, byte color, int y, s32b s)
+{
+	s32b level;
+	bool_ na;
+	spell_type *spell = spell_at(s);
+	cptr spell_info = spell_type_info(spell);
+	cptr label = (label_ == NULL) ? "" : label_;
+	char level_str[8] = "n/a";
+	char buf[128];
+
+	get_level_school(spell, 50, -50, &level, &na);
+
+	std::string sch_str(spell_school_name(spell));
+
+	if (!na)
+	{
+		sprintf(level_str, "%3d", (int) level);
+	}
+
+	sprintf(buf, "%s%-20s%-16s   %s %4d %3d%% %s",
+		label,
+		spell_type_name(spell_at(s)),
+		sch_str.c_str(),
+		level_str,
+		get_mana(s),
+		(int) spell_chance_book(s),
+		spell_info);
+	c_prt(color, buf, y, 0);
+
+	return y + 1;
+}
+
+void lua_cast_school_spell(s32b s, bool_ no_cost)
+{
+	bool_ use = FALSE;
+	spell_type *spell = spell_at(s);
+
+	/* No magic? */
+	if (p_ptr->antimagic > 0)
+	{
+		msg_print("Your anti-magic field disrupts any magic attempts.");
+		return;
+	}
+
+	/* No magic? */
+	if (p_ptr->anti_magic)
+	{
+		msg_print("Your anti-magic shell disrupts any magic attempts.");
+		return;
+	}
+
+	/* if it costs something then some condition must be met */
+	if (!no_cost)
+	{
+	 	/* Require lite */
+		if (!spell_type_castable_while_blind(spell) &&
+		    ((p_ptr->blind > 0) || no_lite()))
+		{
+			msg_print("You cannot see!");
+			return;
+		}
+
+		/* Not when confused */
+		if (!spell_type_castable_while_confused(spell) &&
+		    (p_ptr->confused > 0))
+		{
+			msg_print("You are too confused!");
+			return;
+		}
+
+		/* Enough mana */
+		if (get_mana(s) > get_power(s))
+		{
+			char buf[128];
+			sprintf(buf,
+				"You do not have enough %s, do you want to try anyway?",
+				get_power_name(s));
+
+			if (!get_check(buf))
+			{
+				return;
+			}
+		}
+	
+		/* Invoke the spell effect */
+		if (!magik(spell_chance_book(s)))
+		{
+			use = (spell_type_produce_effect(spell) != NO_CAST);
+		}
+		else
+		{
+			use  = TRUE;
+
+			/* failures are dangerous; we'll flush the input buffer
+			   so it isn't missed. */
+			if (flush_failure)
+			{
+				flush();
+			}
+
+			msg_print("You failed to get the spell off!");
+		}
+	}
+	else
+	{
+		spell_type_produce_effect(spell);
+	}
+
+	/* Use the mana/piety */
+	if (use == TRUE)
+	{
+		/* Reduce mana */
+		adjust_power(s, -get_mana(s));
+
+		/* Take a turn */
+		energy_use = is_magestaff() ? 80 : 100;
+	}
+
+	/* Refresh player */
+	p_ptr->redraw |= PR_FRAME;
+	p_ptr->window |= PW_PLAYER;
+}