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authorBardur Arantsson <bardur@scientician.net>2013-03-26 17:10:10 +0100
committerBardur Arantsson <bardur@scientician.net>2013-09-27 14:46:42 +0200
commitcbef37bd5bfb938a2303ee3887520c08be85d8e8 (patch)
treeb604e49323e46af4ea582f9a9e1977b3daa90611 /src/help.cc
parentb9f824effb037a53556e02955cace6c09ff646c3 (diff)
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+/* File: help.c */
+
+/* Purpose: ingame help */
+
+/*
+ * Copyright (c) 2001 DarkGod
+ * Copyright (c) 2012 Bardur Arantsson
+ *
+ * This software may be copied and distributed for educational, research, and
+ * not for profit purposes provided that this copyright and statement are
+ * included in all such copies.
+ */
+
+#include "angband.h"
+#include "hooks.h"
+
+#define DESC_MAX 14
+#define TRIGGERED_HELP_MAX 19
+
+#define HELP_VOID_JUMPGATE 0
+#define HELP_FOUNTAIN 1
+#define HELP_FOUND_OBJECT 2
+#define HELP_FOUND_ALTAR 3
+#define HELP_FOUND_STAIR 4
+#define HELP_GET_ESSENCE 5
+#define HELP_GET_RUNE 6
+#define HELP_GET_ROD 7
+#define HELP_GET_ROD_TIP 8
+#define HELP_GET_TRAP_KIT 9
+#define HELP_GET_DEVICE 10
+#define HELP_WILDERNESS 11
+#define HELP_GAME_TOME 12
+#define HELP_GAME_THEME 13
+#define HELP_1ST_LEVEL 14
+#define HELP_20TH_LEVEL 15
+#define HELP_ID_SPELL_ITM 16
+#define HELP_MELEE_SKILLS 17
+#define HELP_MON_ASK_HELP 18
+
+/**
+ * Game started?
+ */
+static bool_ game_started = FALSE;
+
+/**
+ * Struct for help triggered by a boolean condition
+ */
+typedef struct triggered_help_type triggered_help_type;
+struct triggered_help_type
+{
+ /* Help item index; see HELP_* constants above */
+ int help_index;
+ /* Hook type */
+ int hook_type;
+ /* Trigger function */
+ bool_ (*trigger_func)(void *in, void *out);
+ /* Description; NULL terminated */
+ cptr desc[DESC_MAX];
+};
+
+/**
+ * Struct for context-sensitive help
+ */
+typedef struct context_help_type context_help_type;
+struct context_help_type
+{
+ cptr key; /* Lookup key */
+ cptr file_name; /* Name of help file */
+ int anchor; /* Anchor in file */
+};
+
+/**
+ * Race help files.
+ */
+context_help_type race_table[] =
+{
+ /* ToME */
+ { "Beorning", "r_beorn.txt", 0 },
+ { "DeathMold", "r_deathm.txt", 0 },
+ { "Dark-Elf", "r_drkelf.txt", 0 },
+ { "Dunadan", "r_dunad.txt", 0 },
+ { "Dwarf", "r_dwarf.txt", 0 },
+ { "Elf", "r_elf.txt", 0 },
+ { "Ent", "r_ent.txt", 0 },
+ { "Gnome", "r_gnome.txt", 0 },
+ { "Half-Elf", "r_hafelf.txt", 0 },
+ { "Half-Ogre", "r_hafogr.txt", 0 },
+ { "High-Elf", "r_hielf.txt", 0 },
+ { "Hobbit", "r_hobbit.txt", 0 },
+ { "Human", "r_human.txt", 0 },
+ { "Kobold", "r_kobold.txt", 0 },
+ { "Maia", "r_maia.txt", 0 },
+ { "Orc", "r_orc.txt", 0 },
+ { "Petty-Dwarf", "r_pettyd.txt", 0 },
+ { "RohanKnight", "r_rohank.txt", 0 },
+ { "Thunderlord", "r_thlord.txt", 0 },
+ { "Troll", "r_troll.txt", 0 },
+ { "Wood-Elf", "r_wodelf.txt", 0 },
+ { "Yeek", "r_yeek.txt", 0 },
+ /* Theme */
+ { "Dragon", "r_dragon.txt", 0 },
+ { "Druadan", "r_druadan.txt", 0 },
+ { "Eagle", "r_eagle.txt", 0 },
+ { "Easterling", "r_easterl.txt", 0 },
+ { "Demon", "r_demon.txt", 0 },
+ /* End of list */
+ { NULL, NULL, 0 },
+};
+
+/**
+ * Subrace help files.
+ */
+context_help_type subrace_table[] =
+{
+ /* ToME */
+ { "Barbarian", "rm_barb.txt", 0 },
+ { "Classical", "rm_class.txt", 0 },
+ { "Corrupted", "rm_corru.txt", 0 },
+ { "Hermit", "rm_herm.txt", 0 },
+ { "LostSoul", "rm_lsoul.txt", 0 },
+ { "Skeleton", "rm_skel.txt", 0 },
+ { "Spectre", "rm_spec.txt", 0 },
+ { "Vampire", "rm_vamp.txt", 0 },
+ { "Zombie", "rm_zomb.txt", 0 },
+ /* Theme */
+ { "Red", "rm_red.txt", 0 },
+ { "Black", "rm_black.txt", 0 },
+ { "Green", "rm_green.txt", 0 },
+ { "Blue", "rm_blue.txt", 0 },
+ { "White", "rm_white.txt", 0 },
+ { "Ethereal", "rm_ether.txt", 0 },
+ { "(Narrog)", "rm_narrog.txt", 0 },
+ { "(Aewrog)", "rm_aewrog.txt", 0 },
+ { "(Hurog)", "rm_hurog.txt", 0 },
+ { "(Sarnrog)", "rm_sarnrog.txt", 0 },
+ { "(Caborrog)", "rm_cabrog.txt", 0 },
+ { "(Draugrog)", "rm_drarog.txt", 0 },
+ { "(Lygrog)", "rm_lygrog.txt", 0 },
+ { "(Limrog)", "rm_limrog.txt", 0 },
+ { "(Rawrog)", "rm_rawrog.txt", 0 },
+ { "(Adanrog)", "rm_adanrog.txt", 0 },
+ /* End of list */
+ { NULL, NULL, 0 },
+};
+
+/**
+ * Class help files
+ */
+context_help_type class_table[] =
+{
+ /* ToME */
+ { "Alchemist", "c_alchem.txt", 0 },
+ { "Archer", "c_archer.txt", 0 },
+ { "Assassin", "c_assass.txt", 0 },
+ { "Axemaster", "c_axemas.txt", 0 },
+ { "Bard", "c_bard.txt", 0 },
+ { "Dark-Priest", "c_pr_drk.txt", 0 },
+ { "Demonologist", "c_demono.txt", 0 },
+ { "Druid", "c_druid.txt", 0 },
+ { "Geomancer", "c_geoman.txt", 0 },
+ { "Haftedmaster", "c_hafted.txt", 0 },
+ { "Loremaster", "c_lorema.txt", 0 },
+ { "Mage", "c_mage.txt", 0 },
+ { "Mimic", "c_mimic.txt", 0 },
+ { "Mindcrafter", "c_mindcr.txt", 0 },
+ { "Monk", "c_monk.txt", 0 },
+ { "Necromancer", "c_necro.txt", 0 },
+ { "Paladin", "c_palad.txt", 0 },
+ { "Polearmmaster", "c_polear.txt", 0 },
+ { "Possessor", "c_posses.txt", 0 },
+ { "Priest", "c_priest.txt", 0 },
+ { "Priest(Eru)", "c_pr_eru.txt", 0 },
+ { "Priest(Manwe)", "c_pr_man.txt", 0 },
+ { "Ranger", "c_ranger.txt", 0 },
+ { "Rogue", "c_rogue.txt", 0 },
+ { "Runecrafter", "c_runecr.txt", 0 },
+ { "Sorceror", "c_sorcer.txt", 0 },
+ { "Summoner", "c_summon.txt", 0 },
+ { "Swordmaster", "c_swordm.txt", 0 },
+ { "Symbiant", "c_symbia.txt", 0 },
+ { "Thaumaturgist", "c_thaum.txt", 0 },
+ { "Unbeliever", "c_unbel.txt", 0 },
+ { "Warper", "c_warper.txt", 0 },
+ { "Warrior", "c_warrio.txt", 0 },
+ /* Theme */
+ { "Ascetic", "c_ascet.txt", 0 },
+ { "Clairvoyant", "c_clairv.txt", 0 },
+ { "Mercenary", "c_mercen.txt", 0 },
+ { "Pacifist", "c_pacif.txt", 0 },
+ { "Peace-mage", "c_peacemag.txt", 0 },
+ { "Priest(Mandos)", "c_pr_mand.txt", 0 },
+ { "Priest(Ulmo)", "c_pr_ulmo.txt", 0 },
+ { "Priest(Varda)", "c_pr_varda.txt", 0 },
+ { "Sniper", "c_sniper.txt", 0 },
+ { "Stonewright", "c_stonewr.txt", 0 },
+ { "Trapper", "c_trapper.txt", 0 },
+ { "Wainrider", "c_wainrid.txt", 0 },
+ { "War-mage", "c_warmage.txt", 0 },
+ /* End of list */
+ { NULL, NULL, 0 },
+};
+
+/**
+ * God help files
+ */
+context_help_type god_table[] =
+{
+ /* ToME */
+ { "Eru Iluvatar", "g_eru.txt", 0 },
+ { "Manwe Sulimo", "g_manwe.txt", 0 },
+ { "Tulkas", "g_tulkas.txt", 0 },
+ { "Melkor Bauglir", "g_melkor.txt", 0 },
+ { "Yavanna Kementari", "g_yavann.txt", 0 },
+ /* Theme */
+ { "Aule the Smith", "g_aule.txt", 0 },
+ { "Mandos", "g_mandos.txt", 0 },
+ { "Ulmo", "g_ulmo.txt", 0 },
+ { "Varda Elentari", "g_varda.txt", 0 },
+ /* End of list */
+ { NULL, NULL, 0 },
+};
+
+/**
+ * Skill help files
+ */
+context_help_type skill_table[] =
+{
+ { "Air", "skills.txt", 27 },
+ { "Alchemy", "skills.txt", 49 },
+ { "Antimagic", "skills.txt", 50 },
+ { "Archery", "skills.txt", 8 },
+ { "Axe-mastery", "skills.txt", 5 },
+ { "Backstab", "skills.txt", 18 },
+ { "Barehand-combat", "skills.txt", 13 },
+ { "Boomerang-mastery", "skills.txt", 12 },
+ { "Boulder-throwing", "skills.txt", 58 },
+ { "Bow-mastery", "skills.txt", 10 },
+ { "Combat", "skills.txt", 1 },
+ { "Conveyance", "skills.txt", 30 },
+ { "Corpse-preservation", "skills.txt", 44 },
+ { "Critical-hits", "skills.txt", 4 },
+ { "Crossbow-mastery", "skills.txt", 11 },
+ { "Demonology", "skills.txt", 52 },
+ { "Disarming", "skills.txt", 16 },
+ { "Divination", "skills.txt", 31 },
+ { "Dodging", "skills.txt", 20 },
+ { "Druidistic", "skills.txt", 40 },
+ { "Earth", "skills.txt", 28 },
+ { "Fire", "skills.txt", 25 },
+ { "Geomancy", "skills.txt", 60 },
+ { "Hafted-mastery", "skills.txt", 6 },
+ { "Magic", "skills.txt", 21 },
+ { "Magic-Device", "skills.txt", 54 },
+ { "Mana", "skills.txt", 24 },
+ { "Meta", "skills.txt", 29 },
+ { "Mimicry", "skills.txt", 47 },
+ { "Mind", "skills.txt", 33 },
+ { "Mindcraft", "skills.txt", 41 },
+ { "Monster-lore", "skills.txt", 42 },
+ { "Music", "skills.txt", 59 },
+ { "Nature", "skills.txt", 34 },
+ { "Necromancy", "skills.txt", 35 },
+ { "Polearm-mastery", "skills.txt", 7 },
+ { "Possession", "skills.txt", 45 },
+ { "Prayer", "skills.txt", 39 },
+ { "Runecraft", "skills.txt", 36 },
+ { "Sling-mastery", "skills.txt", 9 },
+ { "Sneakiness", "skills.txt", 14 },
+ { "Spell-power", "skills.txt", 22 },
+ { "Spirituality", "skills.txt", 38 },
+ { "Sorcery", "skills.txt", 23 },
+ { "Stealing", "skills.txt", 19 },
+ { "Stealth", "skills.txt", 15 },
+ { "Stunning-blows", "skills.txt", 53 },
+ { "Summoning", "skills.txt", 43 },
+ { "Sword-mastery", "skills.txt", 3 },
+ { "Symbiosis", "skills.txt", 46 },
+ { "Temporal", "skills.txt", 32 },
+ { "Thaumaturgy", "skills.txt", 37 },
+ { "Udun", "skills.txt", 48 },
+ { "Weaponmastery", "skills.txt", 2 },
+ { "Water", "skills.txt", 26 },
+ { NULL, NULL, 0 },
+};
+
+/**
+ * Ability help files
+ */
+context_help_type ability_table[] =
+{
+ { "Spread blows", "ability.txt", 2 },
+ { "Tree walking", "ability.txt", 3 },
+ { "Perfect casting", "ability.txt", 4 },
+ { "Extra Max Blow(1)", "ability.txt", 5 },
+ { "Extra Max Blow(2)", "ability.txt", 6 },
+ { "Ammo creation", "ability.txt", 7 },
+ { "Touch of death", "ability.txt", 8 },
+ { "Artifact Creation", "ability.txt", 9 },
+ { "Far reaching attack", "ability.txt", 10 },
+ { "Trapping", "ability.txt", 11 },
+ { "Undead Form", "ability.txt", 12 },
+ { NULL, NULL, 0 },
+};
+
+/**
+ * Trigger functions
+ */
+static bool_ trigger_void_jumpgate(void *in, void *out) {
+ hook_move_in *p = (hook_move_in *) in;
+ return cave[p->y][p->x].feat == FEAT_BETWEEN;
+}
+
+static bool_ trigger_fountain(void *in, void *out) {
+ hook_move_in *p = (hook_move_in *) in;
+ return cave[p->y][p->x].feat == FEAT_FOUNTAIN;
+}
+
+static bool_ trigger_found_object(void *in, void *out) {
+ hook_move_in *p = (hook_move_in *) in;
+ return cave[p->y][p->x].o_idx != 0;
+}
+
+static bool_ trigger_found_altar(void *in, void *out) {
+ hook_move_in *p = (hook_move_in *) in;
+ return ((cave[p->y][p->x].feat >= FEAT_ALTAR_HEAD) &&
+ (cave[p->y][p->x].feat <= FEAT_ALTAR_TAIL));
+}
+
+static bool_ trigger_found_stairs(void *in, void *out) {
+ hook_move_in *p = (hook_move_in *) in;
+ return (cave[p->y][p->x].feat == FEAT_MORE);
+}
+
+static bool_ trigger_get_essence(void *in, void *out) {
+ hook_get_in *g = (hook_get_in *) in;
+ return (g->o_ptr->tval == TV_BATERIE);
+}
+
+static bool_ trigger_get_rune(void *in, void *out) {
+ hook_get_in *g = (hook_get_in *) in;
+ return ((g->o_ptr->tval == TV_RUNE1) ||
+ (g->o_ptr->tval == TV_RUNE2));
+}
+
+static bool_ trigger_get_rod(void *in, void *out) {
+ hook_get_in *g = (hook_get_in *) in;
+ return (g->o_ptr->tval == TV_ROD_MAIN);
+}
+
+static bool_ trigger_get_rod_tip(void *in, void *out) {
+ hook_get_in *g = (hook_get_in *) in;
+ return (g->o_ptr->tval == TV_ROD);
+}
+
+static bool_ trigger_get_trap_kit(void *in, void *out) {
+ hook_get_in *g = (hook_get_in *) in;
+ return (g->o_ptr->tval == TV_TRAPKIT);
+}
+
+static bool_ trigger_get_magic_device(void *in, void *out) {
+ hook_get_in *g = (hook_get_in *) in;
+ return ((g->o_ptr->tval == TV_WAND) ||
+ (g->o_ptr->tval == TV_STAFF));
+}
+
+static bool_ trigger_end_turn_wilderness(void *in, void *out) {
+ return (((p_ptr->wilderness_x != 34) ||
+ (p_ptr->wilderness_y != 21)) &&
+ (!p_ptr->astral));
+}
+
+static bool_ trigger_game_theme(void *in, void *out) {
+ return (game_module_idx == MODULE_THEME);
+}
+
+static bool_ trigger_game_tome(void *in, void *out) {
+ return (game_module_idx == MODULE_TOME);
+}
+
+static bool_ trigger_1st_level(void *in, void *out) {
+ return (p_ptr->lev > 1);
+}
+
+static bool_ trigger_20th_level(void *in, void *out) {
+ return (p_ptr->lev >= 20);
+}
+
+static bool_ trigger_identify_spell_item(void *in_, void *out) {
+ hook_identify_in *in = (hook_identify_in *) in_;
+
+ if (in->mode == IDENT_FULL)
+ {
+ u32b f1, f2, f3, f4, f5, esp;
+ object_flags(in->o_ptr, &f1, &f2, &f3, &f4, &f5, &esp);
+ if (f5 & TR5_SPELL_CONTAIN)
+ {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+static bool_ trigger_melee_skills(void *in, void *out) {
+ return (game_started && (get_melee_skills() > 1));
+}
+
+static bool_ trigger_always(void *in, void *out) {
+ return TRUE;
+}
+
+/**
+ * Trigger-based help items
+ */
+static triggered_help_type triggered_help[TRIGGERED_HELP_MAX] =
+{
+ { HELP_VOID_JUMPGATE,
+ HOOK_MOVE,
+ trigger_void_jumpgate,
+ { "Void Jumpgates can be entered by pressing the > key. They will transport",
+ "you to another jumpgate, but beware of the cold damage that might kill you.",
+ NULL }
+ },
+ { HELP_FOUNTAIN,
+ HOOK_MOVE,
+ trigger_fountain,
+ { "Fountains are always magical. You can quaff from them by pressing H.",
+ "Beware that unlike potions they cannot be identified.",
+ NULL }
+ },
+ { HELP_FOUND_OBJECT,
+ HOOK_MOVE,
+ trigger_found_object,
+ { "So you found your first item! Nice, eh? Now when you stumble across",
+ "objects, you can pick them up by pressing g, and if you are wondering",
+ "what they do, press I (then *, then the letter for the item) to get",
+ "some basic information. You may also want to identify them with scrolls,",
+ "staves, rods or spells.",
+ NULL }
+ },
+ { HELP_FOUND_ALTAR,
+ HOOK_MOVE,
+ trigger_found_altar,
+ { "Altars are the way to reach the Valar, powers of the world,",
+ "usualy called Gods. You can press O to become a follower.",
+ "Beware that once you follow a god, you are not allowed to change.",
+ "For an exact description of what gods do and want, read the documentation.",
+ NULL }
+ },
+ { HELP_FOUND_STAIR,
+ HOOK_MOVE,
+ trigger_found_stairs,
+ { "Ah, this is a stair, or a way into something. Press > to enter it.",
+ "But be ready to fight what lies within, for it might not be too friendly.",
+ NULL }
+ },
+ { HELP_GET_ESSENCE,
+ HOOK_GET,
+ trigger_get_essence,
+ { "Ah, an essence! Those magical containers stores energies. They are used",
+ "with the Alchemy skill to create or modify the powers of items.",
+ NULL }
+ },
+ { HELP_GET_RUNE,
+ HOOK_GET,
+ trigger_get_rune,
+ { "Ah, a rune! Runes are used with the Runecraft skill to allow you to",
+ "create spells on your own.",
+ NULL
+ }
+ },
+ { HELP_GET_ROD,
+ HOOK_GET,
+ trigger_get_rod,
+ { "This is a rod. You will need to attach a rod tip to it before you",
+ "can use it. This main part of the rod may give the rod bonuses",
+ "like quicker charging time, or a larger capacity for charges.",
+ NULL
+ }
+ },
+ { HELP_GET_ROD_TIP,
+ HOOK_GET,
+ trigger_get_rod_tip,
+ { "You've found a rod-tip! You will need to attach it to a rod base",
+ "before you can use it. Once it has been attatched (use the 'z' key)",
+ "you cannot unattach it! The rod tip will determine the effect of",
+ "the rod. To use your rod, 'z'ap it once it has been assembled.",
+ NULL
+ }
+ },
+ { HELP_GET_TRAP_KIT,
+ HOOK_GET,
+ trigger_get_trap_kit,
+ { "Ooooh, a trapping kit. If you have ability in the trapping skill,",
+ "you can lay this trap (via the 'm' key) to harm unsuspecting foes.",
+ "You'll generally need either some ammo or magic device depending",
+ "on the exact type of trap kit.",
+ NULL
+ }
+ },
+ { HELP_GET_DEVICE,
+ HOOK_GET,
+ trigger_get_magic_device,
+ { "You've found a magical device, either a staff or a wand. Each staff",
+ "contains a spell, often from one of the primary magic schools. There",
+ "is a lot of information you can find about this object if you identify",
+ "it and 'I'nspect it. Check the help file on Magic for more about these.",
+ NULL
+ }
+ },
+ { HELP_WILDERNESS,
+ HOOK_END_TURN,
+ trigger_end_turn_wilderness,
+ { "Ahh wilderness travel... The overview mode will allow you to travel",
+ "fast, but that comes to the cost of GREATLY increased food consumption.",
+ "So you should bring lots of food and really watch your hunger status.",
+ "To enter the overview mode, press < while in the wilderness.",
+ NULL
+ }
+ },
+ { HELP_GAME_TOME,
+ HOOK_END_TURN,
+ trigger_game_tome,
+ { "Welcome to ToME! I am the spirit of knowledge and my task is to help you",
+ "to get used to how to play. I have prepared a #vparchment#y for you to #vread#y.",
+ "Press r, then space then select it. You can also check the documentation",
+ "by pressing ? at (nearly) any time.",
+ "The first place you can explore is Barrow-downs. Go to the west of town",
+ "and you should see a #v>#y there.",
+ "If you miss any of this you can press ctrl+p to see your message log.",
+ "Now I must reveal your task here. You are on a quest to investigate",
+ "the dreadful tower of Dol Guldur in the Mirkwood forest to see what evil",
+ "lurks there, but beware, you are not yet ready.",
+ "If you do not want me to bother you any more with tips, press = then go",
+ "into the ToME options and deactivate the ingame_help option.",
+ "You can see your quest log by pressing ctrl+q. Now go to your destiny!",
+ NULL
+ }
+ },
+ { HELP_GAME_THEME,
+ HOOK_END_TURN,
+ trigger_game_theme,
+ { "Welcome to Theme! I am the spirit of knowledge and my task is to help you",
+ "to get used to how to play. I have prepared a #vparchment#y for you to #vread#y.",
+ "Press r, then space then select it. You can also check the documentation",
+ "by pressing ? at (nearly) any time.",
+ "The first place you can explore is Barrow-downs. Go to the west of town",
+ "and you should see a #v>#y there.",
+ "If you miss any of this you can press ctrl+p to see your message log.",
+ "Now I must reveal your task here. You are on a quest to investigate",
+ "the dreadful tower of Dol Guldur in the Mirkwood forest to see what evil",
+ "lurks there, but beware, you are not yet ready.",
+ "If you do not want me to bother you any more with tips, press = then go",
+ "into the ToME options and deactivate the ingame_help option.",
+ "You can see your quest log by pressing ctrl+q. Now go to your destiny!",
+ NULL
+ }
+ },
+ { HELP_1ST_LEVEL,
+ HOOK_PLAYER_LEVEL,
+ trigger_1st_level,
+ { "Ok, so you now gained a level, and you have skill points to spend.",
+ "To do so simply press G to learn skills. Reading the documentation",
+ "about skills and abilities is also strongly recommended.",
+ NULL
+ }
+ },
+ { HELP_20TH_LEVEL,
+ HOOK_PLAYER_LEVEL,
+ trigger_20th_level,
+ { "I see you are now at least level 20. Nice! If you want to gloat about your",
+ "character you could press 'C' then 'f' to make a character dump and post it to",
+ "http://angband.oook.cz/ where it will end up in the ladder.",
+ NULL
+ }
+ },
+ { HELP_ID_SPELL_ITM,
+ HOOK_IDENTIFY,
+ trigger_identify_spell_item,
+ { "Ah, an item that can contain a spell. To use it you must have some levels of",
+ "Magic skill and then you get the option to copy a spell when pressing m.",
+ "Then just select which spell to copy and to which object. Note that doing so",
+ "is permanent; the spell cannot be removed or changed later.",
+ NULL
+ }
+ },
+ { HELP_MELEE_SKILLS,
+ HOOK_RECALC_SKILLS,
+ trigger_melee_skills,
+ { "Ah, you now possess more than one melee type. To switch between them press m",
+ "and select the switch melee type option.",
+ NULL
+ }
+ },
+ { HELP_MON_ASK_HELP,
+ HOOK_MON_ASK_HELP,
+ trigger_always,
+ { "Somebody is speaking to you it seems. You can talk back with the Y key.",
+ "This can lead to quests. You can also give items to 'monsters' with the y key.",
+ NULL
+ }
+ }
+};
+
+static bool_ triggered_help_hook(void *data, void *in, void *out)
+{
+ triggered_help_type *triggered_help = (triggered_help_type *) data;
+ /* Not triggered before and trigger now? */
+ if ((option_ingame_help) &&
+ (!p_ptr->help.activated[triggered_help->help_index]) &&
+ triggered_help->trigger_func(in,out))
+ {
+ int i;
+
+ /* Triggered */
+ p_ptr->help.activated[triggered_help->help_index] = TRUE;
+
+ /* Show the description */
+ for (i = 0; (i < DESC_MAX) && (triggered_help->desc[i] != NULL); i++)
+ {
+ cmsg_print(TERM_YELLOW, triggered_help->desc[i]);
+ }
+ }
+ /* Don't stop processing */
+ return FALSE;
+}
+
+static bool_ hook_game_start(void *data, void *in, void *out)
+{
+ game_started = TRUE;
+ return FALSE;
+}
+
+static void setup_triggered_help_hook(int i)
+{
+ static int counter = 0;
+ char name[40];
+ triggered_help_type *h = &triggered_help[i];
+
+ /* Build name */
+ sprintf(name, "help_trigger_%d", counter);
+ counter++;
+
+ /* Add the hook */
+ add_hook_new(h->hook_type,
+ triggered_help_hook,
+ name,
+ h);
+}
+
+static void setup_triggered_help_hooks()
+{
+ int i;
+
+ for (i = 0; i < TRIGGERED_HELP_MAX; i++)
+ {
+ setup_triggered_help_hook(i);
+ }
+
+ add_hook_new(HOOK_GAME_START,
+ hook_game_start,
+ "help_game_start",
+ NULL);
+}
+
+/*
+ * Driver for the context-sensitive help system
+ */
+void init_hooks_help()
+{
+ setup_triggered_help_hooks();
+}
+
+/*
+ * Show help file
+ */
+static void show_context_help(context_help_type *context_help)
+{
+ if (context_help == NULL)
+ {
+ return;
+ }
+
+ screen_save();
+
+ show_file(context_help->file_name, 0, -context_help->anchor, 0);
+
+ screen_load();
+}
+
+/*
+ * Find context help
+ */
+static context_help_type *find_context_help(context_help_type table[], cptr key)
+{
+ int i;
+
+ for (i = 0; ; i++)
+ {
+ context_help_type *context_help = &table[i];
+
+ if (context_help->key == NULL)
+ {
+ return NULL; /* End of list */
+ }
+
+ if (streq(key, context_help->key))
+ {
+ return context_help;
+ }
+ }
+}
+
+/*
+ * Racial help
+ */
+void help_race(cptr race)
+{
+ show_context_help(find_context_help(race_table, race));
+}
+
+void help_subrace(cptr subrace)
+{
+ show_context_help(find_context_help(subrace_table, subrace));
+}
+
+void help_class(cptr klass)
+{
+ show_context_help(find_context_help(class_table, klass));
+}
+
+void help_god(cptr god)
+{
+ context_help_type *context_help =
+ find_context_help(god_table, god);
+
+ if (context_help != NULL)
+ {
+ show_context_help(context_help);
+ }
+}
+
+void help_skill(cptr skill)
+{
+ show_context_help(find_context_help(skill_table, skill));
+}
+
+void help_ability(cptr ability)
+{
+ show_context_help(find_context_help(ability_table, ability));
+}