121 lines
3.8 KiB
Rust
121 lines
3.8 KiB
Rust
use gdnative::prelude::*;
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use self::gen::GameRng;
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mod gen;
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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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rng: GameRng,
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attributes: 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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self.tiles = get_vec3(self.xsize, self.ysize, self.zsize);
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let noisemap = gen::get_noise(&mut self.rng, (self.xsize, self.ysize));
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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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ret.push(Vector3::new(x as f32, y as f32, 0.0));
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if noisemap.get_value(x, y) > 0.4 {
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ret.append(&self.stack_tiles(
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4,
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tiles::Tiletypes::Grass,
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tiles::Tiletypes::Dirt,
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(x, y),
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));
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} else if noisemap.get_value(x, y) > 0.3 {
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ret.append(&self.stack_tiles(
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3,
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tiles::Tiletypes::Grass,
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tiles::Tiletypes::Dirt,
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(x, y),
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));
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} else if noisemap.get_value(x, y) > 0.2 {
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ret.append(&self.stack_tiles(
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2,
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tiles::Tiletypes::Grass,
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tiles::Tiletypes::Dirt,
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(x, y),
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));
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} else if noisemap.get_value(x, y) > -0.3 {
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self.tiles[x][y][0] = tiles::Tiletypes::Grass;
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} else if noisemap.get_value(x, y) > -0.4 {
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self.tiles[x][y][0] = tiles::Tiletypes::Sand;
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} else {
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self.tiles[x][y][0] = tiles::Tiletypes::WaterSlab;
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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 stack_tiles(
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&mut self,
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height: usize,
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top: tiles::Tiletypes,
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filler: tiles::Tiletypes,
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pos: (usize, usize),
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) -> Vector3Array {
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let mut positions = Vector3Array::new();
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for z in 0..height {
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positions.push(Vector3::new(pos.0 as f32, pos.1 as f32, z as f32));
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if z == height - 1 {
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self.tiles[pos.0][pos.1][z] = top;
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} else {
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self.tiles[pos.0][pos.1][z] = filler;
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}
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}
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positions
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}
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pub fn new(xsize: usize, ysize: usize, zsize: usize, rng: GameRng) -> 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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rng,
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attributes: 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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