very basic worldgen
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parent
7ac86cbc11
commit
f3b8d44034
3 changed files with 218 additions and 19 deletions
4
build.rs
4
build.rs
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@ -75,14 +75,14 @@ impl AssetsWriter {
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for asset_name in root.assets.keys() {
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writeln!(
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file,
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"{indent}\t{}: comfy::TextureHandle,",
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"pub {indent}\t{}: comfy::TextureHandle,",
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asset_name.to_snake_case()
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)?;
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}
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for group_name in root.groups.keys() {
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writeln!(
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file,
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"{indent}\t{group_name}: &'static {group_name}::Assets,"
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"pub {indent}\t{group_name}: &'static {group_name}::Assets,"
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)?;
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}
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writeln!(file, "{indent}}}")?;
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@ -7,7 +7,7 @@ pub mod worldgen;
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pub fn draw(state: &crate::State, _engine: &comfy::EngineContext<'_>) {
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draw_circle(vec2(0.0, 0.0), 0.5, GREEN, 0);
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for (coords, tile) in state.overworld.iter_tiles() {
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for (i, texture) in tile.textures.iter().rev().enumerate() {
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for (i, texture) in tile.textures().iter().rev().enumerate() {
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let i = i as i32;
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draw_sprite(
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*texture,
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@ -1,5 +1,5 @@
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use crate::assets::ASSETS;
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use comfy::{IVec2, TextureHandle, UVec2};
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use std::collections::HashMap;
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pub enum MovementCost {
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@ -13,12 +13,66 @@ pub enum MovementCost {
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Obstacle
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}
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#[derive(Debug)]
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pub struct Tile {
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pub textures: Vec<TextureHandle>
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#[derive(Clone, Copy, Debug)]
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pub enum Tile {
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Grass,
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Path {
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left: bool,
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right: bool,
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top: bool,
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bottom: bool
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},
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House {
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texture: TextureHandle,
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door: bool
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}
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}
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impl Tile {
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pub fn textures(&self) -> Vec<TextureHandle> {
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match self {
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Self::Grass => vec![ASSETS.overworld.grass],
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Self::Path {
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left,
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right,
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top,
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bottom
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} => {
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let path_texture = match (left, right, top, bottom) {
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(true, true, false, false) => ASSETS.overworld.path_horiz,
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(false, false, true, true) => ASSETS.overworld.path_vert,
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(true, false, true, false) => ASSETS.overworld.path_top_left,
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(true, false, false, true) => ASSETS.overworld.path_bottom_left,
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(false, true, true, false) => ASSETS.overworld.path_top_right,
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(false, true, false, true) => ASSETS.overworld.path_bottom_right,
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(true, true, true, false) => ASSETS.overworld.path_top_left_right,
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(true, true, false, true) => ASSETS.overworld.path_bottom_left_right,
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(true, false, true, true) => ASSETS.overworld.path_top_left_bottom,
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(false, true, true, true) => ASSETS.overworld.path_top_right_bottom,
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(true, true, true, true) => ASSETS.overworld.path_crossing,
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(true, false, false, false)
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| (false, true, false, false)
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| (false, false, true, false)
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| (false, false, false, true) => panic!("We don't have no dead ends"),
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(false, false, false, false) => panic!("I think you meant grass?!?")
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};
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vec![ASSETS.overworld.grass, path_texture]
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},
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Self::House { texture, .. } => {
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vec![ASSETS.overworld.grass, *texture]
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}
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}
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}
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pub fn can_stand_inside(&self) -> bool {
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unimplemented!()
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}
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@ -45,6 +99,7 @@ const CHUNK_SIZE: u32 = 100;
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/// Chunks
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#[derive(Debug)]
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#[allow(dead_code)]
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pub struct Chunk {
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/// All tiles within this chunk.
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tiles: [Tile; (CHUNK_SIZE * CHUNK_SIZE) as usize],
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@ -59,6 +114,137 @@ pub struct Chunk {
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}
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impl Chunk {
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pub fn generate_chunk() -> Self {
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// TODO real worldgen
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// for the time being we just copy this pre-made house block into the chunk
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fn path(left: bool, right: bool, top: bool, bottom: bool) -> Tile {
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Tile::Path {
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left,
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right,
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top,
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bottom
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}
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}
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fn house(texture: TextureHandle) -> Tile {
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Tile::House {
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texture,
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door: false
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}
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}
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let path_horiz = path(true, true, false, false);
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let path_vert = path(false, false, true, true);
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let path_crossing = path(true, true, true, true);
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let grass = Tile::Grass;
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let block = [
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[
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path_crossing,
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path_horiz,
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path_horiz,
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path_horiz,
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path_horiz,
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path_horiz,
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path_horiz,
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path_horiz,
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path_horiz,
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path_horiz,
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path_crossing
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],
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[
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path_vert,
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grass,
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grass,
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grass,
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house(ASSETS.overworld.house_roof_top),
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grass,
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grass,
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grass,
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grass,
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grass,
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path_vert
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],
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[
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path_vert,
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grass,
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grass,
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house(ASSETS.overworld.house_roof_mid_left),
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house(ASSETS.overworld.house_mid_window),
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house(ASSETS.overworld.house_roof_mid_right),
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grass,
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grass,
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grass,
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grass,
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path_vert
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],
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[
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path_vert,
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grass,
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house(ASSETS.overworld.house_roof_left),
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house(ASSETS.overworld.house_mid_window),
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house(ASSETS.overworld.house_mid),
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house(ASSETS.overworld.house_mid_window),
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house(ASSETS.overworld.house_roof_right),
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grass,
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grass,
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grass,
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path_vert
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],
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[
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path_vert,
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grass,
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house(ASSETS.overworld.house_bottom_left),
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house(ASSETS.overworld.house_bottom_door),
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house(ASSETS.overworld.house_bottom_window),
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house(ASSETS.overworld.house_bottom_window),
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house(ASSETS.overworld.house_bottom_right),
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grass,
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grass,
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grass,
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path_vert
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],
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[
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path_vert,
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grass,
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grass,
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path(false, true, true, false),
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path_horiz,
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path_horiz,
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path_horiz,
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path_horiz,
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path_horiz,
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path_horiz,
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path(true, false, true, true)
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],
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[
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path_vert, grass, grass, grass, grass, grass, grass, grass, grass, grass,
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path_vert
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],
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[
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path_vert, grass, grass, grass, grass, grass, grass, grass, grass, grass,
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path_vert
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]
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];
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// and then we copy this pre-made block into our chunk
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let mut tiles = [Tile::Grass; (CHUNK_SIZE * CHUNK_SIZE) as usize];
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for y in 0 .. CHUNK_SIZE {
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for x in 0 .. CHUNK_SIZE {
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let row = block[y as usize % block.len()];
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tiles[(y * CHUNK_SIZE + x) as usize] = row[x as usize % row.len()];
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}
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}
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Self {
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tiles,
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paths_left: vec![],
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paths_right: vec![],
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paths_bottom: vec![],
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paths_top: vec![]
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}
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}
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pub fn get_tile(&self, local_chunk_coords: UVec2) -> Option<&Tile> {
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self.tiles
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.get((local_chunk_coords.y * CHUNK_SIZE + local_chunk_coords.x) as usize)
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@ -78,25 +264,38 @@ pub struct Overworld {
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chunks: HashMap<IVec2, Chunk>
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}
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fn world_to_chunk_and_local_coords(world_coords: IVec2) -> (IVec2, UVec2) {
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let chunk_coords = IVec2 {
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x: world_coords.x.div_euclid(CHUNK_SIZE as _),
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y: world_coords.y.div_euclid(CHUNK_SIZE as _)
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};
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let local_chunk_coords = UVec2 {
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x: world_coords.x.rem_euclid(CHUNK_SIZE as _) as _,
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y: world_coords.y.rem_euclid(CHUNK_SIZE as _) as _
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};
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(chunk_coords, local_chunk_coords)
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}
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impl Overworld {
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/// Return a [`Tile`] at the given world coordinates, or `None` if that tile has not
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/// been generated yet.
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pub fn get_tile(&self, world_coords: IVec2) -> Option<&Tile> {
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let tile_coords = IVec2 {
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x: world_coords.x.div_euclid(CHUNK_SIZE as _),
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y: world_coords.y.div_euclid(CHUNK_SIZE as _)
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};
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let local_coords = UVec2 {
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x: world_coords.x.rem_euclid(CHUNK_SIZE as _) as _,
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y: world_coords.y.rem_euclid(CHUNK_SIZE as _) as _
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};
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let (chunk_coords, local_chunk_coords) =
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world_to_chunk_and_local_coords(world_coords);
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let chunk = self.chunks.get(&tile_coords)?;
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chunk.get_tile(local_coords)
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let chunk = self.chunks.get(&chunk_coords)?;
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chunk.get_tile(local_chunk_coords)
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}
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fn get_or_generate_tile(&self, world_coords: IVec2) -> &Tile {
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unimplemented!()
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fn get_or_generate_tile(&mut self, world_coords: IVec2) -> &Tile {
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let (chunk_coords, local_chunk_coords) =
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world_to_chunk_and_local_coords(world_coords);
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let chunk = self
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.chunks
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.entry(chunk_coords)
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.or_insert_with(Chunk::generate_chunk);
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chunk.get_tile(local_chunk_coords).unwrap()
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}
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/// iterate over all tiles and its global coords
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