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Simplify code

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This commit is contained in:
Maximilian Ammann 2022-01-23 22:09:11 +01:00
parent 1d2f619bdc
commit 1024d62eb8
4 changed files with 26 additions and 34 deletions
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2
libs/vector_tile/build.rs
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@ -1,5 +1,3 @@
extern crate protobuf_codegen_pure;
use std::path::PathBuf;
fn main() {

53
libs/vector_tile/src/encoding.rs
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@ -20,7 +20,7 @@ impl Decode<PropertyValue> for ProtoValue {
if self.has_bool_value() {
PropertyValue::BoolValue(self.get_bool_value())
} else if self.has_string_value() {
PropertyValue::StringValue(String::from(self.take_string_value()))
PropertyValue::StringValue(self.take_string_value())
} else if self.has_float_value() {
PropertyValue::FloatValue(self.get_float_value())
} else if self.has_int_value() {
@ -68,7 +68,7 @@ impl Decode<GeometryPoint> for Vec<u32> {
let mut points = vec![];
let mut i = 0;
while i < self.len() - 1 {
while i < self.len() {
let command = self[i] & 0x7;
if command != CMD_MOVE_TO {
@ -76,7 +76,7 @@ impl Decode<GeometryPoint> for Vec<u32> {
panic!("error")
}
let count = (self[i] >> 3) as usize;
let count = self[i] >> 3;
i += 1;
for _ in 0..count {
@ -86,12 +86,10 @@ impl Decode<GeometryPoint> for Vec<u32> {
}
}
if points.len() == 1 {
GeometryPoint::Point(points.remove(0))
} else if points.len() > 1 {
GeometryPoint::MultiPoint(MultiPoint::new(points))
} else {
GeometryPoint::Point(Point::new(0, 0)) // point is at the origin
match points.len() {
0 => GeometryPoint::Point(Point::new(0, 0)),
1 => GeometryPoint::Point(points.remove(0)),
_ => GeometryPoint::MultiPoint(MultiPoint::new(points)),
}
}
}
@ -101,31 +99,29 @@ impl Decode<GeometryLineString> for Vec<u32> {
let mut commands = Vec::with_capacity(self.len()); // Create vec of maximum size
let mut i = 0;
while i < self.len() - 1 {
while i < self.len() {
let command = self[i] & 0x7;
let count = (self[i] >> 3) as usize;
let count = self[i] >> 3;
i += 1;
match command {
CMD_MOVE_TO => {
for _ in 0..count {
let x_index = i;
commands.push(Command::MoveTo(MoveTo {
x: self[x_index].zagzig(),
y: self[x_index + 1].zagzig(),
x: self[i].zagzig(),
y: self[i + 1].zagzig(),
}));
i += CMD_MOVE_TO_PARAMETERS;
}
}
CMD_LINE_TO => {
for _ in 0..count {
let x_index = i;
commands.push(Command::LineTo(LineTo {
x: self[x_index].zagzig(),
y: self[x_index + 1].zagzig(),
x: self[i].zagzig(),
y: self[i + 1].zagzig(),
}));
i += CMD_MOVE_TO_PARAMETERS;
i += CMD_LINE_TO_PARAMETERS;
}
}
CMD_CLOSE_PATH => {
@ -149,7 +145,7 @@ impl Decode<GeometryPolygon> for Vec<u32> {
while i < self.len() {
let command = self[i] & 0x7;
let count = (self[i] >> 3) as usize;
let count = self[i] >> 3;
// parsed command and count => +1
i += 1;
@ -157,29 +153,28 @@ impl Decode<GeometryPolygon> for Vec<u32> {
match command {
CMD_MOVE_TO => {
for _ in 0..count {
let x_index = i;
commands.push(Command::MoveTo(MoveTo {
x: self[x_index].zagzig(),
y: self[x_index + 1].zagzig(),
x: self[i].zagzig(),
y: self[i + 1].zagzig(),
}));
i += CMD_MOVE_TO_PARAMETERS;
}
}
CMD_LINE_TO => {
for _ in 0..count {
let x_index = i;
commands.push(Command::LineTo(LineTo {
x: self[x_index].zagzig(),
y: self[x_index + 1].zagzig(),
x: self[i].zagzig(),
y: self[i + 1].zagzig(),
}));
i += CMD_MOVE_TO_PARAMETERS;
i += CMD_LINE_TO_PARAMETERS;
}
}
CMD_CLOSE_PATH => {
for _ in 0..count {
commands.push(Command::Close);
i += CMD_CLOSE_PATH_PARAMETERS;
if count != 1 {
panic!("error")
}
commands.push(Command::Close);
i += CMD_CLOSE_PATH_PARAMETERS;
}
_ => {
panic!("error")

2
libs/vector_tile/src/lib.rs
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@ -23,7 +23,7 @@ pub mod tile;
pub fn parse_tile<P: AsRef<Path>>(path: P) -> Result<Tile, Error> {
let f = File::open(path)?;
let mut reader = BufReader::new(f);
parse_tile_reader(&mut reader).into()
parse_tile_reader(&mut reader)
}
pub fn parse_tile_reader<B: BufRead>(reader: &mut B) -> Result<Tile, Error> {

3
src/io/worker_loop.rs
View File

@ -76,8 +76,7 @@ impl WorkerLoop {
match fetcher.fetch_tile(&coords).await {
Ok(data) => {
info!("preparing tile {} with {}bytes", &coords, data.len());
let tile = parse_tile_bytes(bytemuck::cast_slice(data.as_slice()))
.expect("failed to load tile");
let tile = parse_tile_bytes(data.as_slice()).expect("failed to load tile");
for layer in tile.layers() {
if let Some((buffer, feature_vertices)) = layer.tesselate() {