Press n or j to go to the next uncovered block, b, p or k for the previous block.
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// Mirrors the level structure from rm.h, decl.h
// The map is COLNO x ROWNO grid of location objects.
import {
COLNO, ROWNO, STONE, ROOM, CORR, DOOR, HWALL, VWALL,
TLCORNER, TRCORNER, BLCORNER, BRCORNER, CROSSWALL,
TUWALL, TDWALL, TLWALL, TRWALL, STAIRS,
D_NODOOR, D_CLOSED, D_ISOPEN, D_LOCKED,
IS_WALL, IS_DOOR, IS_ROOM, ACCESSIBLE,
MAXNROFROOMS, ROOMOFFSET,
isok, OBJ_FLOOR
} from './const.js';
import { pushRngLogEntry } from './rng.js';
// A single map location (mirrors struct rm in rm.h:220+)
export function makeLocation() {
return {
typ: STONE, // terrain type (levl_typ_types enum)
seenv: 0, // seen from which directions (bitmask)
flags: 0, // door state, altar alignment, etc.
// C ref: struct rm uses the same bitfield storage for door mask and
// other terrain flags. Keep `doormask` and `flags` identical.
get doormask() { return this.flags; },
set doormask(v) { this.flags = v | 0; },
// C ref: struct rm aliases altarmask onto rm.flags.
get altarmask() { return this.flags; },
set altarmask(v) { this.flags = v | 0; },
wall_info: 0, // wall mode + W_* bits (rm.h)
lit: false, // is this square lit?
waslit: false, // was this square ever lit?
roomno: 0, // room number (0 = not in a room)
edge: false, // is this on the edge of a room?
glyph: -1, // what glyph is displayed here (C levl[x][y].glyph)
horizontal: false, // for walls: is this horizontal?
// C ref: rm.h aliases blessedftn/disturbed onto horizontal.
get blessedftn() { return this.horizontal ? 1 : 0; },
set blessedftn(v) { this.horizontal = !!v; },
get disturbed() { return this.horizontal ? 1 : 0; },
set disturbed(v) { this.horizontal = !!v; },
ladder: 0, // LA_UP/LA_DOWN for ladder terrain
mem_bg: 0, // remembered background
mem_trap: 0, // remembered trap
mem_obj: 0, // remembered object
mem_obj_color: 0, // remembered object color
mem_invis: false, // remembered invisible monster
nondiggable: false, // W_NONDIGGABLE flag (set by bound_digging)
nonpasswall: false, // W_NONPASSWALL flag
drawbridgemask: 0, // drawbridge direction and terrain-under bits
};
}
// The level structure (mirrors parts of decl.h level data)
export class GameMap {
constructor() {
// The main map grid: locations[x][y]
// C ref: level.locations[][] (decl.h)
this.locations = [];
for (let x = 0; x < COLNO; x++) {
this.locations[x] = [];
for (let y = 0; y < ROWNO; y++) {
this.locations[x][y] = makeLocation();
}
}
// Per-level data — saved/restored with each dungeon level.
// C ref: svr.rooms[], svn.nroom, svd.doors[], gs.smeq[], etc.
this.rooms = [];
this.nroom = 0;
this.doors = [];
this.doorindex = 0;
// Level metadata
this.flags = {
nfountains: 0,
nsinks: 0,
has_shop: false,
has_temple: false,
has_vault: false,
has_court: false,
has_swamp: false,
has_beehive: false,
has_morgue: false,
has_barracks: false,
has_zoo: false,
has_town: false,
nomongen: false,
noteleport: false,
hardfloor: false,
nommap: false,
shortsighted: false,
graveyard: false,
is_maze_lev: false,
is_rogue: false,
is_cavernous_lev: false,
arboreal: false,
hero_memory: false,
corrmaze: false,
temperature: 0,
rndmongen: true,
deathdrops: true,
noautosearch: false,
fumaroles: false,
stormy: false,
};
// Monster list for this level
this.monsters = [];
// C ref: level.monsters[x][y] occupancy table. This tracks per-cell
// monster pointers (including non-head occupancy such as long-worm
// segments when callers set them).
this.monMap = [];
for (let x = 0; x < COLNO; x++) {
this.monMap[x] = new Array(ROWNO).fill(null);
}
// Object list for this level
this.objects = [];
// Trap list
this.traps = [];
// Engraving list
this.engravings = [];
// Gas cloud regions
this.gasClouds = [];
// Exclusion zones (teleport / monster-generation restrictions)
this.exclusionZones = [];
}
// Get location at (x,y) -- shorthand for the C's levl[x][y]
// C ref: Throughout the codebase, levl[x][y] or level.locations[x][y]
at(x, y) {
if (x < 0 || x >= COLNO || y < 0 || y >= ROWNO) return null;
return this.locations[x][y];
}
// Clear the map to stone
clear() {
for (let x = 0; x < COLNO; x++) {
for (let y = 0; y < ROWNO; y++) {
const loc = this.locations[x][y];
loc.typ = STONE;
loc.seenv = 0;
loc.flags = 0;
loc.wall_info = 0;
loc.lit = false;
loc.waslit = false;
loc.roomno = 0;
loc.edge = false;
loc.glyph = -1;
loc.horizontal = false;
loc.mem_bg = 0;
loc.mem_trap = 0;
loc.mem_obj = 0;
loc.mem_obj_color = 0;
loc.mem_invis = false;
loc.nondiggable = false;
loc.nonpasswall = false;
loc.drawbridgemask = 0;
}
}
this.rooms = [];
this.nroom = 0;
this.doors = [];
this.doorindex = 0;
this.monsters = [];
for (let x = 0; x < COLNO; x++) {
this.monMap[x].fill(null);
}
this.objects = [];
this.traps = [];
this.engravings = [];
this.gasClouds = [];
this.exclusionZones = [];
}
// Rooms are stored on game.rooms (global), not per-level.
// C ref: svr.rooms[] is a process-global, saved/restored with levels.
// Find monster at (x,y)
monsterAt(x, y) {
if (!isok(x, y)) return null;
const listed = this.monsters.find((m) => !m.dead && m.mx === x && m.my === y) || null;
if (listed) return listed;
const mapped = this.monMap[x][y];
if (mapped && !mapped.dead
&& mapped.wormno
&& (mapped.mx !== x || mapped.my !== y)) {
return mapped;
}
return null;
}
// C ref: level.monsters[x][y] assignment.
setMonAt(x, y, mon) {
if (!isok(x, y)) return;
this.monMap[x][y] = mon || null;
}
// Find objects at (x,y)
objectsAt(x, y) {
return this.objects.filter((o) =>
o.ox === x
&& o.oy === y
&& !o.buried
&& (o.where === OBJ_FLOOR
|| o.where == null));
}
// Find trap at (x,y)
trapAt(x, y) {
return this.traps.find(t => t.tx === x && t.ty === y) || null;
}
// Find engraving at (x,y)
engravingAt(x, y) {
return this.engravings.find(e => e.x === x && e.y === y) || null;
}
// C ref: makemon.c — mtmp->nmon = fmon; fmon = mtmp; (linked list prepend)
// All monster additions should go through this to maintain C-compatible ordering.
addMonster(mon) {
this.monsters.unshift(mon);
if (mon && !mon.dead && isok(mon.mx, mon.my))
this.setMonAt(mon.mx, mon.my, mon);
}
// Remove a dead monster
removeMonster(mon) {
const idx = this.monsters.indexOf(mon);
if (idx >= 0) this.monsters.splice(idx, 1);
// Clear all cells that still reference this monster pointer
// (head and any long-worm segment occupancy).
for (let x = 0; x < COLNO; x++) {
for (let y = 0; y < ROWNO; y++) {
if (this.monMap[x][y] === mon)
this.monMap[x][y] = null;
}
}
}
// Remove an object from the level — use obj_extract_self() instead
// for proper ^remove event emission.
removeObject(obj) {
const idx = this.objects.indexOf(obj);
if (idx >= 0) this.objects.splice(idx, 1);
}
}
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