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arena.cc
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/**
* @file
* @brief Functions related to the monster arena (stage and watch fights).
**/
#include "AppHdr.h"
#include "arena.h"
#include "act-iter.h"
#include "colour.h"
#include "command.h"
#include "dungeon.h"
#include "end.h"
#include "food.h"
#include "itemname.h"
#include "items.h"
#include "libutil.h"
#include "los.h"
#include "macro.h"
#include "maps.h"
#include "message.h"
#include "misc.h"
#include "mgen_data.h"
#include "mon-death.h"
#include "mon-pick.h"
#include "mon-tentacle.h"
#include "ng-init.h"
#include "spl-miscast.h"
#include "state.h"
#include "stringutil.h"
#include "teleport.h"
#include "terrain.h"
#ifdef USE_TILE
#include "tileview.h"
#endif
#include "unicode.h"
#include "version.h"
#include "view.h"
#define ARENA_VERBOSE
extern void world_reacts();
namespace arena
{
static void write_error(const string &error);
// A faction is just a big list of monsters. Monsters will be dropped
// around the appropriate marker.
struct faction
{
string desc;
mons_list members;
bool friendly;
int active_members;
bool won;
vector<int> respawn_list;
vector<coord_def> respawn_pos;
faction(bool fr) : members(), friendly(fr), active_members(0),
won(false) { }
void place_at(const coord_def &pos);
void reset()
{
active_members = 0;
won = false;
respawn_list.clear();
respawn_pos.clear();
}
void clear()
{
reset();
members.clear();
}
};
static string teams;
static int total_trials = 0;
static bool contest_cancelled = false;
static bool is_respawning = false;
static int trials_done = 0;
static int team_a_wins = 0;
static int ties = 0;
static int turns = 0;
static bool allow_summons = true;
static bool allow_animate = true;
static bool allow_chain_summons = true;
static bool allow_zero_xp = false;
static bool allow_immobile = true;
static bool allow_bands = true;
static bool name_monsters = false;
static bool random_uniques = false;
static bool real_summons = false;
static bool move_summons = false;
static bool respawn = false;
static bool move_respawns = false;
static bool miscasts = false;
static int summon_throttle = INT_MAX;
static vector<monster_type> uniques_list;
static vector<int> a_spawners;
static vector<int> b_spawners;
static int8_t to_respawn[MAX_MONSTERS];
static int item_drop_times[MAX_ITEMS];
static bool banned_glyphs[128];
static string arena_type = "";
static faction faction_a(true);
static faction faction_b(false);
static coord_def place_a, place_b;
static bool cycle_random = false;
static uint32_t cycle_random_pos = 0;
static FILE *file = nullptr;
static level_id place(BRANCH_DEPTHS, 1);
static void adjust_spells(monster* mons, bool no_summons, bool no_animate)
{
monster_spells &spells(mons->spells);
erase_if(spells, [&](const mon_spell_slot &t) {
return (no_summons && spell_typematch(t.spell, SPTYP_SUMMONING))
|| (no_animate && t.spell == SPELL_ANIMATE_DEAD);
});
}
static void adjust_monsters()
{
for (monster_iterator mon; mon; ++mon)
{
const bool friendly = mon->friendly();
// Set target to the opposite faction's home base.
mon->target = friendly ? place_b : place_a;
}
}
static void list_eq(const monster *mon)
{
if (!Options.arena_list_eq || file == nullptr)
return;
vector<int> items;
for (short it : mon->inv)
if (it != NON_ITEM)
items.push_back(it);
if (items.empty())
return;
fprintf(file, "%s:\n", mon->name(DESC_PLAIN, true).c_str());
for (int iidx : items)
{
item_def &item = mitm[iidx];
fprintf(file, " %s\n",
item.name(DESC_PLAIN, false, true).c_str());
}
}
void faction::place_at(const coord_def &pos)
{
ASSERT_IN_BOUNDS(pos);
for (int i = 0, size = members.size(); i < size; ++i)
{
mons_spec spec = members.get_monster(i);
if (friendly)
spec.attitude = ATT_FRIENDLY;
for (int q = 0; q < spec.quantity; ++q)
{
const coord_def loc = pos;
if (!in_bounds(loc))
break;
const monster* mon = dgn_place_monster(spec,
loc, false, true, false);
if (!mon)
{
game_ended_with_error(
make_stringf(
"Failed to create monster at (%d,%d) grd: %s",
loc.x, loc.y, dungeon_feature_name(grd(loc))));
}
list_eq(mon);
to_respawn[mon->mindex()] = i;
}
}
}
static void center_print(unsigned sz, string text, int number = -1)
{
if (number >= 0)
text = make_stringf("(%d) %s", number, text.c_str());
unsigned len = strwidth(text);
if (len > sz)
text = chop_string(text, len = sz);
cprintf("%s%s", string((sz - len) / 2, ' ').c_str(), text.c_str());
}
static void setup_level()
{
turns = 0;
a_spawners.clear();
b_spawners.clear();
memset(item_drop_times, 0, sizeof(item_drop_times));
if (place.is_valid())
{
you.where_are_you = place.branch;
you.depth = place.depth;
}
dgn_reset_level();
for (int x = 0; x < GXM; ++x)
for (int y = 0; y < GYM; ++y)
grd[x][y] = DNGN_ROCK_WALL;
unwind_bool gen(crawl_state.generating_level, true);
typedef unwind_var< set<string> > unwind_stringset;
const unwind_stringset mtags(you.uniq_map_tags);
const unwind_stringset mnames(you.uniq_map_names);
string map_name = "arena_" + arena_type;
const map_def *map = random_map_for_tag(map_name.c_str());
if (!map)
throw make_stringf("No arena maps named \"%s\"", arena_type.c_str());
#ifdef USE_TILE
// Arena is never saved, so we can skip this.
tile_init_default_flavour();
tile_clear_flavour();
#endif
ASSERT(map);
bool success = dgn_place_map(map, false, true);
if (!success)
{
throw make_stringf("Failed to create arena named \"%s\"",
arena_type.c_str());
}
link_items();
if (!env.rock_colour)
env.rock_colour = CYAN;
if (!env.floor_colour)
env.floor_colour = LIGHTGREY;
#ifdef USE_TILE
tile_new_level(true);
#endif
los_changed();
env.markers.activate_all();
}
static string find_monster_spec()
{
if (!teams.empty())
return teams;
else
return "random v random";
}
static void parse_faction(faction &fact, string spec)
throw (string)
{
fact.clear();
fact.desc = spec;
for (const string &monster : split_string(",", spec))
{
const string err = fact.members.add_mons(monster, false);
if (!err.empty())
throw err;
}
}
static void parse_monster_spec()
throw (string)
{
string spec = find_monster_spec();
allow_chain_summons = !strip_tag(spec, "no_chain_summons");
allow_summons = !strip_tag(spec, "no_summons");
allow_animate = !strip_tag(spec, "no_animate");
allow_immobile = !strip_tag(spec, "no_immobile");
allow_bands = !strip_tag(spec, "no_bands");
allow_zero_xp = strip_tag(spec, "allow_zero_xp");
real_summons = strip_tag(spec, "real_summons");
move_summons = strip_tag(spec, "move_summons");
miscasts = strip_tag(spec, "miscasts");
respawn = strip_tag(spec, "respawn");
move_respawns = strip_tag(spec, "move_respawns");
summon_throttle = strip_number_tag(spec, "summon_throttle:");
if (real_summons && respawn)
throw (string("Can't set real_summons and respawn at same time."));
if (summon_throttle <= 0)
summon_throttle = INT_MAX;
cycle_random = strip_tag(spec, "cycle_random");
name_monsters = strip_tag(spec, "names");
random_uniques = strip_tag(spec, "random_uniques");
const int ntrials = strip_number_tag(spec, "t:");
if (ntrials != TAG_UNFOUND && ntrials >= 1 && ntrials <= 99
&& !total_trials)
{
total_trials = ntrials;
}
arena_type = strip_tag_prefix(spec, "arena:");
if (arena_type.empty())
arena_type = "default";
const int arena_delay = strip_number_tag(spec, "delay:");
if (arena_delay >= 0 && arena_delay < 2000)
Options.view_delay = arena_delay;
string arena_place = strip_tag_prefix(spec, "arena_place:");
if (!arena_place.empty())
{
try
{
place = level_id::parse_level_id(arena_place);
}
catch (const string &err)
{
throw make_stringf("Bad place '%s': %s",
arena_place.c_str(),
err.c_str());
}
}
for (unsigned char gly : strip_tag_prefix(spec, "ban_glyphs:"))
if (gly < ARRAYSZ(banned_glyphs))
banned_glyphs[gly] = true;
vector<string> factions = split_string(" v ", spec);
if (factions.size() == 1)
factions = split_string(" vs ", spec);
if (factions.size() != 2)
{
throw make_stringf("Expected arena monster spec \"xxx v yyy\", "
"but got \"%s\"", spec.c_str());
}
try
{
parse_faction(faction_a, factions[0]);
parse_faction(faction_b, factions[1]);
}
catch (const string &err)
{
throw make_stringf("Bad monster spec \"%s\": %s",
spec.c_str(),
err.c_str());
}
if (faction_a.desc == faction_b.desc)
{
faction_a.desc += " (A)";
faction_b.desc += " (B)";
}
}
static void setup_monsters()
throw (string)
{
faction_a.reset();
faction_b.reset();
for (int i = 0; i < MAX_MONSTERS; i++)
to_respawn[i] = -1;
unwind_var< FixedBitVector<NUM_MONSTERS> >
uniq(you.unique_creatures);
place_a = dgn_find_feature_marker(DNGN_STONE_STAIRS_UP_I);
place_b = dgn_find_feature_marker(DNGN_STONE_STAIRS_DOWN_I);
// Place the different factions in different orders on
// alternating rounds so that one side doesn't get the
// first-move advantage for all rounds.
if (trials_done & 1)
{
faction_a.place_at(place_a);
faction_b.place_at(place_b);
}
else
{
faction_b.place_at(place_b);
faction_a.place_at(place_a);
}
adjust_monsters();
}
static void show_fight_banner(bool after_fight = false)
{
int line = 1;
cgotoxy(1, line++, GOTO_STAT);
textcolour(WHITE);
center_print(crawl_view.hudsz.x, string("Crawl ") + Version::Long);
line++;
cgotoxy(1, line++, GOTO_STAT);
textcolour(YELLOW);
center_print(crawl_view.hudsz.x, faction_a.desc,
total_trials ? team_a_wins : -1);
cgotoxy(1, line++, GOTO_STAT);
textcolour(LIGHTGREY);
center_print(crawl_view.hudsz.x, "vs");
cgotoxy(1, line++, GOTO_STAT);
textcolour(YELLOW);
center_print(crawl_view.hudsz.x, faction_b.desc,
total_trials ? trials_done - team_a_wins - ties : -1);
if (total_trials > 1 && trials_done < total_trials)
{
cgotoxy(1, line++, GOTO_STAT);
textcolour(BROWN);
center_print(crawl_view.hudsz.x,
make_stringf("Round %d of %d",
after_fight ? trials_done
: trials_done + 1,
total_trials));
}
else
{
cgotoxy(1, line++, GOTO_STAT);
textcolour(BROWN);
clear_to_end_of_line();
}
}
static void setup_others()
{
you.species = SP_HUMAN;
you.char_class = JOB_FIGHTER;
you.experience_level = 27;
you.position.y = -1;
coord_def yplace(dgn_find_feature_marker(DNGN_ESCAPE_HATCH_UP));
crawl_view.set_player_at(yplace);
you.mutation[MUT_ACUTE_VISION] = 3;
you.your_name = "Arena";
you.hp = you.hp_max = 99;
for (int i = 0; i < NUM_STATS; ++i)
you.base_stats[i] = 20;
show_fight_banner();
}
static void expand_mlist(int exp)
{
crawl_view.mlistp.y -= exp;
crawl_view.mlistsz.y += exp;
}
static void setup_fight()
throw (string)
{
//no_messages mx;
parse_monster_spec();
setup_level();
// Monster setup may block waiting for matchups.
setup_monsters();
setup_others();
}
static void count_foes()
{
int orig_a = faction_a.active_members;
int orig_b = faction_b.active_members;
if (orig_a < 0)
mprf(MSGCH_ERROR, "Book-keeping says faction_a has negative active members.");
if (orig_b < 0)
mprf(MSGCH_ERROR, "Book-keeping says faction_b has negative active members.");
faction_a.active_members = 0;
faction_b.active_members = 0;
for (monster_iterator mons; mons; ++mons)
{
if (mons_is_tentacle_or_tentacle_segment(mons->type))
continue;
if (mons->attitude == ATT_FRIENDLY)
faction_a.active_members++;
else if (mons->attitude == ATT_HOSTILE)
faction_b.active_members++;
}
if (orig_a != faction_a.active_members
|| orig_b != faction_b.active_members)
{
mprf(MSGCH_ERROR, "Book-keeping error in faction member count: "
"%d:%d instead of %d:%d",
orig_a, orig_b,
faction_a.active_members, faction_b.active_members);
if (faction_a.active_members > 0
&& faction_b.active_members <= 0)
{
faction_a.won = true;
faction_b.won = false;
}
else if (faction_b.active_members > 0
&& faction_a.active_members <= 0)
{
faction_b.won = true;
faction_a.won = false;
}
}
}
// Returns true as long as at least one member of each faction is alive.
static bool fight_is_on()
{
if (faction_a.active_members > 0 && faction_b.active_members > 0)
{
if (faction_a.won || faction_b.won)
{
mprf(MSGCH_ERROR, "Both factions alive but one declared the winner.");
faction_a.won = false;
faction_b.won = false;
}
return true;
}
// Sync up our book-keeping with the actual state, and report
// any inconsistencies.
count_foes();
return faction_a.active_members > 0 && faction_b.active_members > 0;
}
static void dump_messages()
{
if (!Options.arena_dump_msgs || file == nullptr)
return;
vector<string> messages;
vector<msg_channel_type> channels;
get_recent_messages(messages, channels);
for (unsigned int i = 0; i < messages.size(); i++)
{
string msg = messages[i];
int chan = channels[i];
string prefix;
switch (chan)
{
case MSGCH_DIAGNOSTICS:
prefix = "DIAG: ";
if (Options.arena_dump_msgs_all)
break;
continue;
// Ignore messages generated while the user examines
// the arnea.
case MSGCH_PROMPT:
case MSGCH_MONSTER_TARGET:
case MSGCH_FLOOR_ITEMS:
case MSGCH_EXAMINE:
case MSGCH_EXAMINE_FILTER:
continue;
// If a monster-damage message ends with '!' it's a
// death message, otherwise it's an examination message
// and should be skipped.
case MSGCH_MONSTER_DAMAGE:
if (msg[msg.length() - 1] != '!')
continue;
break;
case MSGCH_ERROR: prefix = "ERROR: "; break;
case MSGCH_WARN: prefix = "WARN: "; break;
case MSGCH_SOUND: prefix = "SOUND: "; break;
case MSGCH_TALK_VISUAL:
case MSGCH_TALK: prefix = "TALK: "; break;
}
msg = prefix + msg;
fprintf(file, "%s\n", msg.c_str());
}
}
// Try to prevent random luck from letting one spawner fill up the
// arena with so many monsters that the other spawner can never get
// back on even footing.
static void balance_spawners()
{
if (a_spawners.empty() || b_spawners.empty())
return;
if (faction_a.active_members == 0 || faction_b.active_members == 0)
{
mprf(MSGCH_ERROR, "ERROR: Both sides have spawners, but the active "
"member count of one side has been reduced to zero!");
return;
}
for (int idx : a_spawners)
{
menv[idx].speed_increment *= faction_b.active_members;
menv[idx].speed_increment /= faction_a.active_members;
}
for (int idx : b_spawners)
{
menv[idx].speed_increment *= faction_a.active_members;
menv[idx].speed_increment /= faction_b.active_members;
}
}
static void do_miscasts()
{
if (!miscasts)
return;
for (monster_iterator mon; mon; ++mon)
{
if (mon->type == MONS_TEST_SPAWNER)
continue;
MiscastEffect(*mon, *mon, WIZARD_MISCAST, SPTYP_RANDOM,
random_range(1, 3), "arena miscast", NH_NEVER);
}
}
static void handle_keypress(int ch)
{
if (key_is_escape(ch) || toalower(ch) == 'q')
{
contest_cancelled = true;
mpr("Canceled contest at user request");
return;
}
const command_type cmd = key_to_command(ch, KMC_DEFAULT);
// We only allow a short list of commands to be used in the arena.
switch (cmd)
{
case CMD_LOOK_AROUND:
case CMD_SUSPEND_GAME:
case CMD_REPLAY_MESSAGES:
break;
default:
return;
}
if (file != nullptr)
fflush(file);
cursor_control coff(true);
unwind_var<game_type> type(crawl_state.type, GAME_TYPE_NORMAL);
unwind_bool ar_susp(crawl_state.arena_suspended, true);
coord_def yplace(dgn_find_feature_marker(DNGN_ESCAPE_HATCH_UP));
unwind_var<coord_def> pos(you.position);
you.position = yplace;
process_command(cmd);
}
static void do_respawn(faction &fac)
{
is_respawning = true;
for (unsigned int _i = fac.respawn_list.size(); _i > 0; _i--)
{
unsigned int i = _i - 1;
coord_def pos = fac.respawn_pos[i];
int spec_idx = fac.respawn_list[i];
mons_spec spec = fac.members.get_monster(spec_idx);
if (fac.friendly)
spec.attitude = ATT_FRIENDLY;
monster *mon = dgn_place_monster(spec, pos, false, true);
if (!mon && fac.active_members == 0 && monster_at(pos))
{
// We have no members left, so to prevent the round
// from ending attempt to displace whatever is in
// our position.
monster* other = monster_at(pos);
if (to_respawn[other->mindex()] == -1)
{
// The other monster isn't a respawner itself, so
// just get rid of it.
mprf(MSGCH_DIAGNOSTICS,
"Dismissing non-respawner %s to make room for "
"respawner whose side has 0 active members.",
other->name(DESC_PLAIN, true).c_str());
monster_die(other, KILL_DISMISSED, NON_MONSTER);
}
else
{
// Other monster is a respawner, try to move it.
mprf(MSGCH_DIAGNOSTICS,
"Teleporting respawner %s to make room for "
"other respawner whose side has 0 active members.",
other->name(DESC_PLAIN, true).c_str());
monster_teleport(other, true);
}
mon = dgn_place_monster(spec, pos, false, true);
}
if (mon)
{
// We succeeded, so remove from list.
fac.respawn_list.erase(fac.respawn_list.begin() + i);
fac.respawn_pos.erase(fac.respawn_pos.begin() + i);
to_respawn[mon->mindex()] = spec_idx;
if (move_respawns)
monster_teleport(mon, true, true);
}
else
{
// Couldn't respawn, so leave it on the list; hopefully
// space will open up later.
}
}
is_respawning = false;
}
static void do_fight()
{
viewwindow();
clear_messages(true);
{
cursor_control coff(false);
while (fight_is_on())
{
if (kbhit())
{
const int ch = getchm();
handle_keypress(ch);
ASSERT(crawl_state.game_is_arena());
ASSERT(!crawl_state.arena_suspended);
if (contest_cancelled)
return;
}
#ifdef ARENA_VERBOSE
mprf("---- Turn #%d ----", turns);
#endif
// Check the consistency of our book-keeping every 100 turns.
if ((turns++ % 100) == 0)
count_foes();
viewwindow();
you.time_taken = 10;
// Make sure we don't starve.
you.hunger = HUNGER_MAXIMUM;
//report_foes();
world_reacts();
do_miscasts();
do_respawn(faction_a);
do_respawn(faction_b);
balance_spawners();
delay(Options.view_delay);
clear_messages();
dump_messages();
ASSERT(you.pet_target == MHITNOT);
}
viewwindow();
}
clear_messages();
trials_done++;
// We bother with all this to properly deal with ties, and with
// ball lightning or giant spores winning the fight via suicide.
// The sanity checking is probably just paranoia.
bool was_tied = false;
if (!faction_a.won && !faction_b.won)
{
if (faction_a.active_members > 0)
{
mprf(MSGCH_ERROR, "Tie declared, but faction_a won.");
team_a_wins++;
faction_a.won = true;
}
else if (faction_b.active_members > 0)
{
mprf(MSGCH_ERROR, "Tie declared, but faction_b won.");
faction_b.won = true;
}
else
{
ties++;
was_tied = true;
}
}
else if (faction_a.won && faction_b.won)
{
faction_a.won = false;
faction_b.won = false;
mprf(MSGCH_ERROR, "*BOTH* factions won?!");
if (faction_a.active_members > 0)
{
mprf(MSGCH_ERROR, "Faction_a real winner.");
team_a_wins++;
faction_a.won = true;
}
else if (faction_b.active_members > 0)
{
mprf(MSGCH_ERROR, "Faction_b real winner.");
faction_b.won = true;
}
else
{
mprf(MSGCH_ERROR, "Both sides dead.");
ties++;
was_tied = true;
}
}
else if (faction_a.won)
team_a_wins++;
show_fight_banner(true);
string msg;
if (was_tied)
msg = "Tie";
else
msg = "Winner: %s!";
if (Options.arena_dump_msgs || Options.arena_list_eq)
msg = "---------- " + msg + " ----------";
if (was_tied)
mpr(msg);
else
mprf(msg.c_str(),
faction_a.won ? faction_a.desc.c_str()
: faction_b.desc.c_str());
dump_messages();
}
static void global_setup(const string& arena_teams)
{
// Clear some things that shouldn't persist across restart_after_game.
// parse_monster_spec and setup_fight will clear the rest.
total_trials = trials_done = team_a_wins = ties = 0;
contest_cancelled = false;
is_respawning = false;
uniques_list.clear();
memset(banned_glyphs, 0, sizeof(banned_glyphs));
arena_type = "";
place = level_id(BRANCH_DEPTHS, 1);
// [ds] Turning off view_lock crashes arena.
Options.view_lock_x = Options.view_lock_y = true;
teams = arena_teams;
// Set various options from the arena spec's tags
try
{
parse_monster_spec();
}
catch (const string &error)
{
write_error(error);
game_ended_with_error(error);
}
if (file != nullptr)
end(0, false, "Results file already open");
file = fopen("arena.result", "w");
if (file != nullptr)
{
string spec = find_monster_spec();
fprintf(file, "%s\n", spec.c_str());
if (Options.arena_dump_msgs || Options.arena_list_eq)
fprintf(file, "========================================\n");
}
expand_mlist(5);
for (monster_type i = MONS_0; i < NUM_MONSTERS; ++i)
{
if (i == MONS_PLAYER_GHOST)
continue;
if (mons_is_unique(i) && !arena_veto_random_monster(i))
uniques_list.push_back(i);
}
}
static void global_shutdown()
{
if (file != nullptr)
fclose(file);
file = nullptr;
}
static void write_results()
{
if (file != nullptr)
{
if (Options.arena_dump_msgs || Options.arena_list_eq)
fprintf(file, "========================================\n");
fprintf(file, "%d-%d", team_a_wins,
trials_done - team_a_wins - ties);
if (ties > 0)
fprintf(file, "-%d", ties);
fprintf(file, "\n");
}
}
static void write_error(const string &error)
{
if (file != nullptr)
{
fprintf(file, "err: %s\n", error.c_str());
fclose(file);
}
file = nullptr;
}
static void simulate()
{
init_level_connectivity();
do
{
try
{
setup_fight();
}
catch (const string &error)
{
write_error(error);
game_ended_with_error(error);
}
do_fight();
if (trials_done < total_trials)
delay(Options.view_delay * 5);
}
while (!contest_cancelled && trials_done < total_trials);
if (total_trials > 0)
{
mprf("Final score: %s (%d); %s (%d) [%d ties]",
faction_a.desc.c_str(), team_a_wins,
faction_b.desc.c_str(), trials_done - team_a_wins - ties,