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Reduce size of ContentFeatures structure

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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.
This commit is contained in:
sfan5 2022-05-09 20:59:28 +02:00
parent 9a01581cdd
commit 8b74257bf3
4 changed files with 143 additions and 125 deletions
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119
src/nodedef.cpp
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@ -56,20 +56,7 @@ void NodeBox::reset()
wall_bottom = aabb3f(-BS/2, -BS/2, -BS/2, BS/2, -BS/2+BS/16., BS/2);
wall_side = aabb3f(-BS/2, -BS/2, -BS/2, -BS/2+BS/16., BS/2, BS/2);
// no default for other parts
connect_top.clear();
connect_bottom.clear();
connect_front.clear();
connect_left.clear();
connect_back.clear();
connect_right.clear();
disconnected_top.clear();
disconnected_bottom.clear();
disconnected_front.clear();
disconnected_left.clear();
disconnected_back.clear();
disconnected_right.clear();
disconnected.clear();
disconnected_sides.clear();
connected.reset();
}
void NodeBox::serialize(std::ostream &os, u16 protocol_version) const
@ -99,7 +86,7 @@ void NodeBox::serialize(std::ostream &os, u16 protocol_version) const
writeV3F32(os, wall_side.MinEdge);
writeV3F32(os, wall_side.MaxEdge);
break;
case NODEBOX_CONNECTED:
case NODEBOX_CONNECTED: {
writeU8(os, type);
#define WRITEBOX(box) \
@ -109,22 +96,25 @@ void NodeBox::serialize(std::ostream &os, u16 protocol_version) const
writeV3F32(os, i.MaxEdge); \
};
const auto &c = getConnected();
WRITEBOX(fixed);
WRITEBOX(connect_top);
WRITEBOX(connect_bottom);
WRITEBOX(connect_front);
WRITEBOX(connect_left);
WRITEBOX(connect_back);
WRITEBOX(connect_right);
WRITEBOX(disconnected_top);
WRITEBOX(disconnected_bottom);
WRITEBOX(disconnected_front);
WRITEBOX(disconnected_left);
WRITEBOX(disconnected_back);
WRITEBOX(disconnected_right);
WRITEBOX(disconnected);
WRITEBOX(disconnected_sides);
WRITEBOX(c.connect_top);
WRITEBOX(c.connect_bottom);
WRITEBOX(c.connect_front);
WRITEBOX(c.connect_left);
WRITEBOX(c.connect_back);
WRITEBOX(c.connect_right);
WRITEBOX(c.disconnected_top);
WRITEBOX(c.disconnected_bottom);
WRITEBOX(c.disconnected_front);
WRITEBOX(c.disconnected_left);
WRITEBOX(c.disconnected_back);
WRITEBOX(c.disconnected_right);
WRITEBOX(c.disconnected);
WRITEBOX(c.disconnected_sides);
break;
}
default:
writeU8(os, type);
break;
@ -173,21 +163,23 @@ void NodeBox::deSerialize(std::istream &is)
u16 count;
auto &c = getConnected();
READBOXES(fixed);
READBOXES(connect_top);
READBOXES(connect_bottom);
READBOXES(connect_front);
READBOXES(connect_left);
READBOXES(connect_back);
READBOXES(connect_right);
READBOXES(disconnected_top);
READBOXES(disconnected_bottom);
READBOXES(disconnected_front);
READBOXES(disconnected_left);
READBOXES(disconnected_back);
READBOXES(disconnected_right);
READBOXES(disconnected);
READBOXES(disconnected_sides);
READBOXES(c.connect_top);
READBOXES(c.connect_bottom);
READBOXES(c.connect_front);
READBOXES(c.connect_left);
READBOXES(c.connect_back);
READBOXES(c.connect_right);
READBOXES(c.disconnected_top);
READBOXES(c.disconnected_bottom);
READBOXES(c.disconnected_front);
READBOXES(c.disconnected_left);
READBOXES(c.disconnected_back);
READBOXES(c.disconnected_right);
READBOXES(c.disconnected);
READBOXES(c.disconnected_sides);
}
}
@ -409,9 +401,9 @@ void ContentFeatures::reset()
drowning = 0;
light_source = 0;
damage_per_second = 0;
node_box = NodeBox();
selection_box = NodeBox();
collision_box = NodeBox();
node_box.reset();
selection_box.reset();
collision_box.reset();
waving = 0;
legacy_facedir_simple = false;
legacy_wallmounted = false;
@ -1091,10 +1083,8 @@ void NodeDefManager::clear()
{
ContentFeatures f;
f.name = "unknown";
TileDef unknownTile;
unknownTile.name = "unknown_node.png";
for (int t = 0; t < 6; t++)
f.tiledef[t] = unknownTile;
f.tiledef[t].name = "unknown_node.png";
// Insert directly into containers
content_t c = CONTENT_UNKNOWN;
m_content_features[c] = f;
@ -1296,22 +1286,23 @@ void getNodeBoxUnion(const NodeBox &nodebox, const ContentFeatures &features,
break;
}
case NODEBOX_CONNECTED: {
const auto &c = nodebox.getConnected();
// Add all possible connected boxes
boxVectorUnion(nodebox.fixed, box_union);
boxVectorUnion(nodebox.connect_top, box_union);
boxVectorUnion(nodebox.connect_bottom, box_union);
boxVectorUnion(nodebox.connect_front, box_union);
boxVectorUnion(nodebox.connect_left, box_union);
boxVectorUnion(nodebox.connect_back, box_union);
boxVectorUnion(nodebox.connect_right, box_union);
boxVectorUnion(nodebox.disconnected_top, box_union);
boxVectorUnion(nodebox.disconnected_bottom, box_union);
boxVectorUnion(nodebox.disconnected_front, box_union);
boxVectorUnion(nodebox.disconnected_left, box_union);
boxVectorUnion(nodebox.disconnected_back, box_union);
boxVectorUnion(nodebox.disconnected_right, box_union);
boxVectorUnion(nodebox.disconnected, box_union);
boxVectorUnion(nodebox.disconnected_sides, box_union);
boxVectorUnion(nodebox.fixed, box_union);
boxVectorUnion(c.connect_top, box_union);
boxVectorUnion(c.connect_bottom, box_union);
boxVectorUnion(c.connect_front, box_union);
boxVectorUnion(c.connect_left, box_union);
boxVectorUnion(c.connect_back, box_union);
boxVectorUnion(c.connect_right, box_union);
boxVectorUnion(c.disconnected_top, box_union);
boxVectorUnion(c.disconnected_bottom, box_union);
boxVectorUnion(c.disconnected_front, box_union);
boxVectorUnion(c.disconnected_left, box_union);
boxVectorUnion(c.disconnected_back, box_union);
boxVectorUnion(c.disconnected_right, box_union);
boxVectorUnion(c.disconnected, box_union);
boxVectorUnion(c.disconnected_sides, box_union);
break;
}
default: {