dartterm/lib/gen/vaults.dart
2023-09-22 21:08:03 -07:00

117 lines
2.8 KiB
Dart

part of 'generator.dart';
class Vaults {
final List<Vault> _primitive = [];
List<Vault> randomFlight(math.Random rng) {
// TODO: There are many more efficient ways to do this!
List<Vault> list2 = [];
list2.addAll(_primitive);
list2.shuffle(rng);
return list2;
}
static Future<Vaults> load(String name) async {
var basis = await Bitmap.load(name, colorToVaultTile);
var (regions, _) =
regionalize(basis.rect, (x, y) => basis.get(x, y) != null);
var vs = Vaults();
for (var region in regions) {
Vault v = loadVault(region, basis);
vs._primitive.add(v);
}
return vs;
}
static Vault loadVault(Region r, Bitmap<VaultTile?> b) {
var tiles = [
for (var y = r.rect.y0; y < r.rect.y1; y++)
for (var x = r.rect.x0; x < r.rect.x1; x++)
r.points.contains((x, y))
? (b.get(x, y) ?? VaultTile.wall)
: VaultTile.wall
];
DirectionSet smooth = DirectionSet(
{Direction.up, Direction.left, Direction.right, Direction.down});
for (var x = r.rect.x0; x < r.rect.x1; x++) {
if (b.get(x, r.rect.y0) == null) {
smooth.directions.remove(Direction.up);
break;
}
}
for (var x = r.rect.x0; x < r.rect.x1; x++) {
if (b.get(x, r.rect.y1 - 1) == null) {
smooth.directions.remove(Direction.down);
break;
}
}
for (var y = r.rect.y0; y < r.rect.y1; y++) {
if (b.get(r.rect.x0, y) == null) {
smooth.directions.remove(Direction.left);
break;
}
}
for (var y = r.rect.y0; y < r.rect.y1; y++) {
if (b.get(r.rect.x1 - 1, y) == null) {
smooth.directions.remove(Direction.right);
break;
}
}
return Vault(Bitmap(r.rect.size, tiles), smooth);
}
}
enum VaultTile {
meta0,
exit,
door,
bspfloor,
floor,
doorpronefloor,
defaultwall, // defaultwall is in generated rooms and is overwritten by anything
archpronewall, // archpronewall cannot overwrite wall or archwall
archwall, // archwall cannot overwrite wall.
wall,
}
VaultTile? colorToVaultTile(int c) {
switch (c ~/ 256) {
// RGB (originally rgba)
// == spacers ==
case 0x007F00: // deep green
return null; // separates vaults
// == metasyntax ==
case 0x00FF00: // green
return VaultTile.meta0; // call back into BSP
// == level elements ==
case 0x000000:
case 0x707070:
return VaultTile.wall;
case 0xFF8000:
return VaultTile.archwall;
case 0x7F4000:
return VaultTile.archpronewall;
case 0xBCCFFF:
return VaultTile.doorpronefloor;
case 0xFFFFFF:
case 0xFFFF00:
case 0xFF00FF:
return VaultTile.floor;
case 0x0087FF:
return VaultTile.door;
case 0xFF0000:
return VaultTile.exit;
default:
throw Exception("unrecognized pixel: $c");
}
}