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Remove unused block entries from chunks sent by the server

This commit is contained in:
Thinkofname 2016-04-04 13:24:09 +01:00
parent 1544543c6a
commit 17cfa26532
1 changed files with 10 additions and 8 deletions
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18
src/world/mod.rs
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@ -512,6 +512,7 @@ impl World {
let mut bit_size = try!(data.read_u8());
section.block_map.clear();
section.rev_block_map.clear();
if bit_size == 0 {
bit_size = 13;
} else {
@ -531,9 +532,9 @@ impl World {
for i in 0 .. 4096 {
let bl_id = section.blocks.get(i);
if bit_size == 13 {
if let block::Air{} = section.block_map.get(bl_id)
.map(|v| v.0)
.unwrap_or(block::Air{}) {
if section.block_map.get(bl_id)
.map(|v| v.1)
.unwrap_or(0) == 0 {
if bl_id >= section.block_map.len() {
section.block_map.resize(bl_id + 1, (block::Air{}, 0));
}
@ -545,6 +546,12 @@ impl World {
section.block_map.get_mut(bl_id).unwrap().1 += 1;
}
for entry in &section.block_map {
if entry.1 == 0 {
section.rev_block_map.remove(&entry.0);
}
}
try!(data.read_exact(&mut section.block_light.data));
try!(data.read_exact(&mut section.sky_light.data));
}
@ -824,11 +831,6 @@ impl Chunk {
}
}
#[derive(PartialEq, Eq, Hash)]
pub struct SectionKey {
pos: (i32, u8, i32),
}
pub struct Section {
pub cull_info: chunk_builder::CullInfo,
pub render_buffer: render::ChunkBuffer,