From 43e92af7b26180c04d643f28174e6f7e754c1a05 Mon Sep 17 00:00:00 2001
From: Isabelle L <me@izzabelle.dev>
Date: Mon, 6 Jul 2020 22:34:07 -0500
Subject: [PATCH] initial commit

---
 .gitignore        |    1 +
 Cargo.lock        | 2356 +++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml        |   13 +
 conf.toml         |    6 +
 data/tiles.toml   |    3 +
 img/nothing.png   |  Bin 0 -> 310 bytes
 src/main.rs       |   53 +
 src/util.rs       |   69 ++
 src/world.rs      |   23 +
 src/world/tile.rs |   48 +
 10 files changed, 2572 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 conf.toml
 create mode 100644 data/tiles.toml
 create mode 100644 img/nothing.png
 create mode 100644 src/main.rs
 create mode 100644 src/util.rs
 create mode 100644 src/world.rs
 create mode 100644 src/world/tile.rs

diff --git a/.gitignore b/.gitignore
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index 0000000..ea8c4bf
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diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..4b466ea
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--- /dev/null
+++ b/data/tiles.toml
@@ -0,0 +1,3 @@
+[nothing]
+path = "img/tiles/nothing.png"
+blocking = true
\ No newline at end of file
diff --git a/img/nothing.png b/img/nothing.png
new file mode 100644
index 0000000000000000000000000000000000000000..2ee4ff792fc2572bf15666248f6e7810e9609b03
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..a3a9eb3
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,53 @@
+mod util;
+mod world;
+
+use ggez::{
+    event::{self, EventHandler},
+    graphics, Context, ContextBuilder, GameResult,
+};
+use world::World;
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+    #[error(transparent)]
+    Stdio(#[from] std::io::Error),
+    #[error(transparent)]
+    Toml(#[from] toml::de::Error),
+}
+
+struct MainState {
+    world: World,
+}
+
+impl MainState {
+    pub fn new(_ctx: &mut Context) -> MainState {
+        MainState {
+            world: World::new(20, 20, 3),
+        }
+    }
+}
+
+impl EventHandler for MainState {
+    fn update(&mut self, _ctx: &mut Context) -> GameResult<()> {
+        Ok(())
+    }
+
+    fn draw(&mut self, ctx: &mut Context) -> GameResult<()> {
+        graphics::clear(ctx, graphics::WHITE);
+        graphics::present(ctx)
+    }
+}
+
+fn main() {
+    let (mut ctx, mut event_loop) = ContextBuilder::new("unnamed", "Isabelle L.")
+        .build()
+        .expect("failed to start context");
+
+    let mut state = MainState::new(&mut ctx);
+
+    if let Err(err) = event::run(&mut ctx, &mut event_loop, &mut state) {
+        eprintln!("an error occured: {:?}", err);
+    }
+}
diff --git a/src/util.rs b/src/util.rs
new file mode 100644
index 0000000..cbc34b8
--- /dev/null
+++ b/src/util.rs
@@ -0,0 +1,69 @@
+use std::convert::From;
+
+pub struct CartesianVector(usize, usize);
+pub struct IsometricVector(usize, usize);
+pub struct Vector3d(usize, usize, usize);
+
+impl Vector3d {
+    pub fn x(&self) -> usize {
+        self.0
+    }
+
+    pub fn y(&self) -> usize {
+        self.1
+    }
+
+    pub fn z(&self) -> usize {
+        self.2
+    }
+}
+
+impl From<(usize, usize, usize)> for Vector3d {
+    fn from(tuple: (usize, usize, usize)) -> Vector3d {
+        Vector3d(tuple.0, tuple.1, tuple.2)
+    }
+}
+
+impl CartesianVector {
+    pub fn x(&self) -> usize {
+        self.0
+    }
+
+    pub fn y(&self) -> usize {
+        self.1
+    }
+}
+
+impl IsometricVector {
+    pub fn x(&self) -> usize {
+        self.0
+    }
+
+    pub fn y(&self) -> usize {
+        self.1
+    }
+}
+
+impl From<(usize, usize)> for CartesianVector {
+    fn from(tuple: (usize, usize)) -> CartesianVector {
+        CartesianVector(tuple.0, tuple.1)
+    }
+}
+
+impl From<IsometricVector> for CartesianVector {
+    fn from(iso: IsometricVector) -> CartesianVector {
+        CartesianVector((2 * iso.y() + iso.x()) / 2, (2 * iso.y() - iso.x()) / 2)
+    }
+}
+
+impl From<CartesianVector> for IsometricVector {
+    fn from(cart: CartesianVector) -> IsometricVector {
+        IsometricVector(cart.x() - cart.y(), (cart.x() + cart.y()) / 2)
+    }
+}
+
+impl From<(usize, usize)> for IsometricVector {
+    fn from(tuple: (usize, usize)) -> IsometricVector {
+        IsometricVector(tuple.0, tuple.1)
+    }
+}
diff --git a/src/world.rs b/src/world.rs
new file mode 100644
index 0000000..dcdbe88
--- /dev/null
+++ b/src/world.rs
@@ -0,0 +1,23 @@
+mod tile;
+
+use crate::util::Vector3d;
+use std::collections::HashMap;
+use tile::*;
+
+pub struct World {
+    width: usize,
+    height: usize,
+    depth: usize,
+    data: HashMap<Vector3d, Tile>,
+}
+
+impl World {
+    pub fn new(width: usize, height: usize, depth: usize) -> World {
+        World {
+            width,
+            height,
+            depth,
+            data: HashMap::new(),
+        }
+    }
+}
diff --git a/src/world/tile.rs b/src/world/tile.rs
new file mode 100644
index 0000000..fe60f13
--- /dev/null
+++ b/src/world/tile.rs
@@ -0,0 +1,48 @@
+use crate::Result;
+use ggez::graphics::Image;
+use ggez::Context;
+use serde::Deserialize;
+use std::collections::HashMap;
+use std::path::PathBuf;
+use std::rc::Rc;
+
+pub struct TileBuilder {
+    textures: HashMap<String, MasterTile>,
+}
+
+impl TileBuilder {
+    pub fn new(ctx: &mut Context, tiles_config: PathBuf) -> Result<TileBuilder> {
+        let raw_data = std::fs::read_to_string(tiles_config)?;
+        let raw_map: HashMap<String, RawTile> = toml::from_str(&raw_data)?;
+        let mut textures: HashMap<String, MasterTile> = HashMap::new();
+
+        raw_map.iter().for_each(|(kind, raw_tile)| {
+            let tile = MasterTile {
+                texture: Image::new(ctx, &raw_tile.path).expect("failed to load image"),
+                kind: kind.to_owned(),
+                blocking: raw_tile.blocking,
+            };
+            textures.insert(kind.to_owned(), tile);
+        });
+
+        Ok(TileBuilder { textures: textures })
+    }
+}
+
+pub struct Tile {
+    texture: Rc<Image>,
+    kind: String,
+    blocking: bool,
+}
+
+struct MasterTile {
+    texture: Image,
+    kind: String,
+    blocking: bool,
+}
+
+#[derive(Deserialize)]
+struct RawTile {
+    path: PathBuf,
+    blocking: bool,
+}