--- deliantra/server/ext/map-world.ext	2007/01/20 23:39:08	1.2
+++ deliantra/server/ext/map-world.ext	2011/05/08 21:51:26	1.46
@@ -1,96 +1,158 @@
-#! perl # OPTIONAL
+#! perl # mandatory
 
-# optional plug-in to speed up worldmap rendering by dynamically
-# generating it out of a image
-# - saves loading time (less data to read)
-# - saves temporary space (only overlay stuff needs to be saved)
+# manages the worldmap by directing to other handlers
 
-our $WORLD = Storable::retrieve cf::datadir . "/world.pst"
-   or die "unable to load world.pst";
+cf::map->register (qr{^/world/world_(-?\d+)_(-?\d+)(?:([+\-]\d+))?$}, 100);
 
-$WORLD->{version} == 1
-   or die "world.pst version mismatch, expected version 1, got $WORLD->{version}";
+# universal
+our $TILE_W = 50;
+our $TILE_H = 50;
 
-cf::map->register (qr{^/world/world_(\d\d\d)_(\d\d\d)$}, 100);
+# registry
+our @AREAS;
+
+sub register($$$$$$$@) {
+   my $meta = {
+      pkg => shift,
+      x0  => shift, y0  => shift, z0  => shift,
+      x1  => shift, y1  => shift, z1  => shift,
+      @_
+   };
+
+   my $pkg = $meta->{pkg};
+
+   @AREAS = sort { $b->{pri} <=> $a->{pri} }
+                 $meta,
+                 grep $pkg ne $_->{pkg},
+                      @AREAS;
+
+   my $isa = \@{"$pkg\::ISA"};
+
+   @$isa = (
+      __PACKAGE__,
+      grep __PACKAGE__ ne $_, @$isa
+   );
+}
+
+sub format_xyz($$;$) {
+   sprintf "/world/world_%03d_%03d%s",
+           $_[0], $_[1],
+           $_[2] ? sprintf "%+04d", $_[2] : "";
+}
+
+#############################################################################
 
 sub init {
    my ($self) = @_;
 
-   1
+   my ($x, $y, $z) = @$self{qw(x y z)} = ($1, $2, $3+0);
+
+   # find handler for this area
+   for my $meta (@AREAS) {
+      if (  $meta->{x0} <= $x && $x <= $meta->{x1}
+         && $meta->{y0} <= $y && $y <= $meta->{y1}
+         && $meta->{z0} <= $z && $z <= $meta->{z1}
+      ) {
+         $self->{ox} = $x - $meta->{x0};
+         $self->{oy} = $y - $meta->{y0};
+         $self->{oz} = $z - $meta->{z0};
+
+         bless $self, $meta->{pkg};
+
+         $self->init_worldmap ($meta);
+
+         goto done;
+      }
+   }
+
+   bless $self, ext::map_world::empty::;
+
+done:
+   $self->SUPER::init;
 }
 
-sub wxwy {
-   $_[0]->path =~ m{/world/world_(\d\d\d)_(\d\d\d)$}
-      ? ($1, $2)
-      : (0, 0)
+sub init_worldmap {
+   # only for handlers
 }
 
 sub load_header_orig {
    my ($self) = @_;
 
-   $self->width  ($WORLD->{tilew});
-   $self->height ($WORLD->{tileh});
-
-   my ($x, $y) = $self->wxwy;
+   my ($x, $y, $z) = @$self{qw(x y z)};
 
-   $self->tile_path (0, sprintf "/world/world_%03d_%03d", $x, $y - 1) if $y >   0;
-   $self->tile_path (1, sprintf "/world/world_%03d_%03d", $x + 1, $y) if $x < 999;
-   $self->tile_path (2, sprintf "/world/world_%03d_%03d", $x, $y + 1) if $y < 999;
-   $self->tile_path (3, sprintf "/world/world_%03d_%03d", $x - 1, $y) if $x >   0;
+   $self->width  ($TILE_W);
+   $self->height ($TILE_H);
 
+   $self->name (sprintf "'The World' at %+d%+d%+d", $x, $y, $z);
    $self->msg ("worldmap dynamically created by map-world extension");
+   $self->outdoor ($self->{z} >= 0);
+   $self->default_region (cf::region::find "wilderness");
 
-   #TODO: region
- 
-   $self->{load_path} = sprintf "%s/%s/world-overlay/world_%03d_%03d", cf::datadir, cf::mapdir, $x, $y
-      if $x >= $WORLD->{minx} && $x <= $WORLD->{maxx}
-          && $y >= $WORLD->{miny} && $y <= $WORLD->{maxy};
+   # all possible worldmap tiles also exist
+   $self->tile_path (cf::TILE_NORTH, format_xyz $x, $y - 1, $z);
+   $self->tile_path (cf::TILE_SOUTH, format_xyz $x, $y + 1, $z);
+   $self->tile_path (cf::TILE_EAST , format_xyz $x + 1, $y, $z);
+   $self->tile_path (cf::TILE_WEST , format_xyz $x - 1, $y, $z);
+   $self->tile_path (cf::TILE_UP   , format_xyz $x, $y, $z + 1);
+   $self->tile_path (cf::TILE_DOWN , format_xyz $x, $y, $z - 1);
 
+   # an overlay always wins
+   my $overlay = sprintf "%s/%s.map", $cf::MAPDIR, format_xyz $x, $y, $z;
+
+   $self->{load_path} = $overlay
+      unless Coro::AIO::aio_stat $overlay;
+
+   $self->{need_create_treasure} = 1;
 
    1
 }
 
-sub load {
+# fill map with "default" data - first region and first archetype from palette
+# used when we have no map data from elsewhere
+sub fill {
    my ($self) = @_;
 
-   if ($self->{load_path}) {
-      $self->SUPER::load;
+   if ($self->{z} > 0) {
+      # hmmm... air? :)
+      $self->add_underlay ("\x00" x ($TILE_W * $TILE_H), 0, $TILE_W, ["blocked"]);
+   } elsif ($self->{z} < 0) {
+      $self->add_underlay ("\x00" x ($TILE_W * $TILE_H), 0, $TILE_W, ["blocked"]);
    } else {
-      $self->alloc;
-
-      for my $X (0 .. $WORLD->{tilew} - 1) {
-         Coro::cede;
-         for my $Y (0 .. $WORLD->{tileh} - 1) {
-            my $ob = cf::object::new "deep_sea";
-            $self->insert ($ob, $X, $Y);
-         }
-      }
-      $self->set_object_flag (cf::FLAG_NO_MAP_SAVE, 1);
-
-      $self->in_memory (cf::MAP_IN_MEMORY);
+      $self->add_underlay ("\x00" x ($TILE_W * $TILE_H), 0, $TILE_W, ["deep_sea"]);
    }
 }
 
-sub pre_load {
+#sub load {
+#   my ($self) = @_;
+#
+#   if ($self->{load_path}) {
+#      warn "load $self\n";#d#
+#      $self->SUPER::load;
+#   } else {
+#      warn "fill $self\n";#d#
+#      my $guard = cf::lock_acquire "map_data:$self->{path}";
+#
+#      $self->alloc;
+#      $self->fill;
+#      $self->state (cf::MAP_ACTIVE);
+#      $self->activate;
+#      $self->post_load;
+#   }
+#}
+
+# MUST be overwritten to call at least ->fill
+sub post_load {
    my ($self) = @_;
 
-   my ($x, $y) = $self->wxwy;
+   $self->create_region_treasure
+      if delete $self->{need_create_treasure};
+}
 
-   my $stride = ($WORLD->{maxx} - $WORLD->{minx} + 1) * $WORLD->{tilew};
-   my $top = ($y - $WORLD->{miny}) * $WORLD->{tileh} * $stride
-              + ($x - $WORLD->{minx}) * $WORLD->{tilew};
-
-   for my $Y (0 .. $WORLD->{tileh} - 1) {
-      Coro::cede;
-      my $row = substr $WORLD->{data}, $top + $Y * $stride, $WORLD->{tilew};
-      for my $X (0 .. $WORLD->{tilew} - 1) {
-         my $ob = cf::object::new $WORLD->{arch}[ord substr $row, $X];
-         $self->insert ($ob, $X, $Y);
-      }
-   }
+package ext::map_world::empty;
 
-   $self->set_object_flag (cf::FLAG_NO_MAP_SAVE, 1);
-}
+our @ISA = ext::map_world::;
 
-1
+sub post_load_original {
+   $_[0]->fill;
+}