112 lines
3.6 KiB
Rust
112 lines
3.6 KiB
Rust
use gdnative::prelude::*;
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use rand::prelude::StdRng;
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use rand::seq::SliceRandom;
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use rand_seeder::Seeder;
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mod tiles;
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pub struct World {
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pub xsize: usize,
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pub ysize: usize,
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pub zsize: usize,
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tiles: Vec<Vec<Vec<tiles::Tiletypes>>>,
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seed: String,
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tileattributes: tiles::Attributelists,
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}
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impl World {
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pub fn get_tile_at(&self, x: usize, y: usize, z: usize) -> u16 {
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self.tiles[x][y][z] as u16
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}
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pub fn is_tile_hidden(&self, x: usize, y: usize, z: usize) -> bool {
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if x == self.xsize - 1 || y == self.ysize - 1 || z == self.zsize - 1 {
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return false;
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}
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if !tiles::Tile::new(self.tiles[x + 1][y][z]).hide_top_left
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|| !tiles::Tile::new(self.tiles[x][y + 1][z]).hide_top_right
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|| !tiles::Tile::new(self.tiles[x][y][z + 1]).hide_below
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{
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return false;
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}
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true
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}
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pub fn generate(&mut self) -> Vector3Array {
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let mut rng: StdRng = Seeder::from(self.seed.to_owned()).make_rng();
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self.tiles = get_vec3(self.xsize, self.ysize, self.zsize);
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// fill edges with water
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for x in 0..self.ysize {
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self.tiles[x][0][0] = tiles::Tiletypes::WaterSlab;
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self.tiles[x][self.ysize - 1][0] = tiles::Tiletypes::WaterSlab;
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}
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for y in 0..self.xsize {
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self.tiles[0][y][0] = tiles::Tiletypes::WaterSlab;
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self.tiles[self.xsize - 1][y][0] = tiles::Tiletypes::WaterSlab;
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}
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for x in 1..self.xsize - 1 {
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for y in 1..self.ysize - 1 {
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if self.tile_is_next_to(x, y, 0, tiles::Tiletypes::WaterSlab){
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let available = vec![tiles::Tiletypes::WaterSlab, tiles::Tiletypes::Sand];
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self.tiles[x][y][0] = available.choose(&mut rng).unwrap().to_owned();
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}
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else if self.tile_is_next_to(x, y, 0, tiles::Tiletypes::Sand) {
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let available = vec![tiles::Tiletypes::Grass, tiles::Tiletypes::Sand];
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self.tiles[x][y][0] = available.choose(&mut rng).unwrap().to_owned();
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}
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else {
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self.tiles[x][y][0] = tiles::Tiletypes::Air;
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}
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}
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}
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let mut ret: Vector3Array = Vector3Array::new();
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for x in 0..self.xsize {
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for y in 0..self.ysize {
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for z in 0..self.zsize {
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ret.push(Vector3::new(x as f32, y as f32, z as f32));
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}
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}
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}
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ret
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}
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fn tile_is_next_to(&self, x: usize, y: usize, z: usize, neighbor: tiles::Tiletypes) -> bool {
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if self.tiles[x - 1][y - 1][z] == neighbor
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|| self.tiles[x - 1][y][z] == neighbor
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|| self.tiles[x][y + 1][z] == neighbor
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|| self.tiles[x + 1][y + 1][z] == neighbor
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{
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return true;
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}
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false
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}
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pub fn new(xsize: usize, ysize: usize, zsize: usize, seed: String) -> World {
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World {
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xsize,
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ysize,
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zsize,
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tiles: get_vec3(xsize, ysize, zsize),
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seed,
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tileattributes: tiles::Attributelists::new(),
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}
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}
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}
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fn get_vec3(xsize: usize, ysize: usize, zsize: usize) -> Vec<Vec<Vec<tiles::Tiletypes>>> {
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let mut zvec: Vec<tiles::Tiletypes> = Vec::with_capacity(zsize);
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zvec.resize(zsize, tiles::Tiletypes::Air);
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let mut yvec: Vec<Vec<tiles::Tiletypes>> = Vec::with_capacity(ysize);
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yvec.resize(ysize, zvec.clone());
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let mut xvec: Vec<Vec<Vec<tiles::Tiletypes>>> = Vec::with_capacity(xsize);
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xvec.resize(ysize, yvec.clone());
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yvec.push(zvec);
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xvec.push(yvec);
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xvec
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}
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