fix some inline TODOs

[blank.git] / src / world / World.cpp

diff --git a/src/world/World.cpp b/src/world/World.cpp
index 3d3eb6c3d9ba11a6aebc685e01480dca6b6e773f..1e372e753d8c82257fb7bcd34fe6295c11e70e78 100644 (file)
--- a/src/world/World.cpp
+++ b/src/world/World.cpp
@@ -99,9 +99,12 @@ bool World::Intersection(const Entity &e, std::vector<WorldCollision> &col) {
        AABB box = e.Bounds();
        glm::mat4 M = e.Transform(player->ChunkCoords());
        bool any = false;
-       // TODO: this only needs to check the chunks surrounding the entity's chunk position
-       //       need find out if that is quicker than the rough chunk bounds test
        for (Chunk &cur_chunk : chunks.Loaded()) {
+               if (manhattan_radius(cur_chunk.Position() - e.ChunkCoords()) > 1) {
+                       // chunk is not one of the 3x3x3 surrounding the entity
+                       // since there's no entity which can extent over 16 blocks, they can be skipped
+                       continue;
+               }
                if (cur_chunk.Intersection(box, M, cur_chunk.Transform(player->ChunkCoords()), col)) {
                        any = true;
                }