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| author | sfan5 <sfan5@live.de> | 2022-05-09 20:59:28 +0200 |
|---|---|---|
| committer | sfan5 <sfan5@live.de> | 2022-05-26 15:49:12 +0200 |
| commit | 8b74257bf3cbb54e78614ac6aaaba79adf75cc8e (patch) | |
| tree | bceabcb03441991743f5677a0dec62335931aa24 /src/nodedef.h | |
| parent | 9a01581cdd3cb54750e9fe4a065aa435262d5225 (diff) | |
| download | minetest-8b74257bf3cbb54e78614ac6aaaba79adf75cc8e.tar.gz minetest-8b74257bf3cbb54e78614ac6aaaba79adf75cc8e.tar.bz2 minetest-8b74257bf3cbb54e78614ac6aaaba79adf75cc8e.zip | |
Reduce size of ContentFeatures structure
On my system this is a reduction from 4664 to 3704 bytes.
This is not for the sake of saving RAM but ensuring
commonly used structures fit into caches better.
Diffstat (limited to 'src/nodedef.h')
| -rw-r--r-- | src/nodedef.h | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/src/nodedef.h b/src/nodedef.h index 8c817179d..edd8d00a7 100644 --- a/src/nodedef.h +++ b/src/nodedef.h @@ -99,17 +99,8 @@ enum NodeBoxType NODEBOX_CONNECTED, // optionally draws nodeboxes if a neighbor node attaches }; -struct NodeBox +struct NodeBoxConnected { - enum NodeBoxType type; - // NODEBOX_REGULAR (no parameters) - // NODEBOX_FIXED - std::vector<aabb3f> fixed; - // NODEBOX_WALLMOUNTED - aabb3f wall_top; - aabb3f wall_bottom; - aabb3f wall_side; // being at the -X side - // NODEBOX_CONNECTED std::vector<aabb3f> connect_top; std::vector<aabb3f> connect_bottom; std::vector<aabb3f> connect_front; @@ -124,9 +115,35 @@ struct NodeBox std::vector<aabb3f> disconnected_right; std::vector<aabb3f> disconnected; std::vector<aabb3f> disconnected_sides; +}; + +struct NodeBox +{ + enum NodeBoxType type; + // NODEBOX_REGULAR (no parameters) + // NODEBOX_FIXED + std::vector<aabb3f> fixed; + // NODEBOX_WALLMOUNTED + aabb3f wall_top; + aabb3f wall_bottom; + aabb3f wall_side; // being at the -X side + // NODEBOX_CONNECTED + // (kept externally to not bloat the structure) + std::shared_ptr<NodeBoxConnected> connected; NodeBox() { reset(); } + ~NodeBox() = default; + + inline NodeBoxConnected &getConnected() { + if (!connected) + connected = std::make_shared<NodeBoxConnected>(); + return *connected; + } + inline const NodeBoxConnected &getConnected() const { + assert(connected); + return *connected; + } void reset(); void serialize(std::ostream &os, u16 protocol_version) const; @@ -290,7 +307,6 @@ struct ContentFeatures // up down right left back front TileSpec tiles[6]; // Special tiles - // - Currently used for flowing liquids TileSpec special_tiles[CF_SPECIAL_COUNT]; u8 solidness; // Used when choosing which face is drawn u8 visual_solidness; // When solidness=0, this tells how it looks like |