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use debug_gfx::draw_nav_mesh; | |
use std::fs::File; | |
use std::io::prelude::*; | |
use std::io::Result; | |
mod debug_gfx; | |
fn read_file(path: &str) -> Result<String> { | |
let mut text = String::new(); | |
let mut file = File::open(path)?; | |
file.read_to_string(&mut text)?; | |
Ok(text) | |
} | |
fn main() -> nav::AnyResult<()> { | |
// let params = nav::MeshParams { | |
// agent_height: None, | |
// agent_max_climb: None, | |
// agent_radius: 1.0, | |
// max_polys_per_region: 20, | |
// mesh_origin: nav::Point::new(0.0, 0.0, 0.0), | |
// voxels_per_region: nav::Count3D::new(10, 10, 10), | |
// voxel_length: 1.0, | |
// }; | |
let params = nav::MeshParams { | |
agent_height: None, | |
agent_max_climb: None, | |
agent_radius: 1.0, | |
max_polys_per_region: 2000, | |
mesh_origin: nav::Point::new(-16.0, 0.0, -16.0), | |
voxel_length: 1.0, | |
voxels_per_region: nav::Count3D::new(2500, 10, 2500), | |
}; | |
let mut mesh = nav::NavMesh::new(¶ms)?; | |
let data = read_file("example-mesh2d/coords-data.csv")?; | |
let polygons = data.lines().map(|line| { | |
let columns: Vec<&str> = line.split(",").collect(); | |
let points = columns.chunks(2).map(|vector| { | |
let x: f32 = vector[0].parse().expect("Could not parse value for x"); | |
let z: f32 = vector[1].parse().expect("Could not parse value for z"); | |
nav::Point::new(x, 0.0, z) | |
}).collect(); | |
nav::PolyData::new(points).unwrap() | |
}).collect(); | |
let region = nav::Region { | |
index_in_mesh: nav::Index3D::new(0, 0, 0), | |
polygons, | |
}; | |
mesh.put_region(®ion).unwrap(); | |
// add_region(&mut mesh, (0, 1), vec![ | |
// vec![(0, 10), (0, 20), (3, 17), (3, 13)], | |
// vec![(0, 20), (10, 20), (7, 17), (3, 17)], | |
// vec![(10, 20), (10, 10), (7, 13), (7, 17)], | |
// vec![(10, 10), (0, 10), (3, 13), (7, 13)], | |
// ]); | |
// add_region(&mut mesh, (1, 0), vec![ | |
// vec![(15, 2), (10, 0), (10, 10), (15, 10)], | |
// vec![(15, 2), (20, 2), (20, 0), (10, 0)], | |
// ]); | |
// add_region(&mut mesh, (1, 1), vec![ | |
// vec![(15, 15), (15, 10), (10, 10), (10, 20)], | |
// vec![(15, 15), (10, 20), (20, 20), (20, 15)], | |
// ]); | |
// add_region(&mut mesh, (2, 0), vec![ | |
// vec![(20, 0), (20, 10), (30, 10), (30, 0)], // 1 polygon, full tile | |
// ]); | |
// add_region(&mut mesh, (2, 1), vec![ | |
// vec![(20, 10), (20, 20), (30, 20), (30, 10)], // 1 polygon, full tile | |
// ]); | |
// let from = nav::Point::new(2.0, 0.0, 14.0); | |
// let to = nav::Point::new(26.0, 0.0, 8.0); | |
let from = nav::Point::new(0.0, 0.0, 0.0); | |
let to = nav::Point::new(10.0, 0.0, 10.0); | |
// let from = nav::Point::new(0.0, 0.0, 0.0); | |
// let to = nav::Point::new(2000.0 / 32.0, 0.0, 600.0 / 32.0); | |
let path = mesh.find_path(from, to).ok(); | |
println!("{:?}", path); | |
draw_nav_mesh(&mesh, path.as_ref()); | |
Ok(()) | |
} | |
fn add_region( | |
mesh: &mut nav::NavMesh, | |
(x, z): (i32, i32), | |
polygons: Vec<Vec<(i32, i32)>>, | |
) { | |
let polygons = polygons.into_iter() | |
.map(|verts: Vec<(i32, i32)>| { | |
let points = verts.into_iter() | |
.map(|(x, z)| nav::Point::new(x as f32, 0.0, z as f32)) | |
.collect(); | |
nav::PolyData::new(points).unwrap() | |
}) | |
.collect(); | |
let region = nav::Region { | |
index_in_mesh: nav::Index3D::new(x, 0, z), | |
polygons, | |
}; | |
mesh.put_region(®ion).unwrap(); | |
} |
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