summaryrefslogtreecommitdiff
path: root/src/world.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/world.cpp')
-rw-r--r--src/world.cpp23
1 files changed, 22 insertions, 1 deletions
diff --git a/src/world.cpp b/src/world.cpp
index dc25f66..9d9b97d 100644
--- a/src/world.cpp
+++ b/src/world.cpp
@@ -83,9 +83,30 @@ tile_t *world_t::get_tile(ssize_t x, ssize_t y)
return sector->tiles + ty * SECTOR_SIZE + tx;
}
+static sector_index_t get_index(float x, float y)
+{
+ return sector_index_t(floor(x), floor(y));
+}
+
+void entity_t::link_to_sector(sector_t *sector)
+{
+ parents.push_back(sector);
+ sector->ents.insert(this);
+}
+
void entity_t::link(world_t *world)
{
- // TODO
+ sector_index_t base;
+ sector_t *sector;
+ ssize_t dx, dy;
+
+ // An entity gets linked to at least one sector.
+ base = get_index(bounds.left, bounds.top);
+ sector = world->get_sector(base);
+ link_to_sector(sector);
+
+ // There might be more, though.
+ //for (dy = 0; dy <
}
void entity_t::unlink(void)