more world gen

src/events/found_town.rs

@@ -0,0 +1,19 @@
+use std::rc::Rc;
+
+use crate::{state::Effect, world::{Town, Structure}, state::GameState};
+
+pub struct FoundTown{
+    pub x: usize,
+    pub y: usize,
+    pub town: Rc<Town>,
+}
+
+impl Effect for FoundTown {
+    fn apply(&self, state: &mut GameState) {
+        state.world.add_structure(self.x, self.y, Structure::Town(self.town.clone()));
+    }
+
+    fn description(&self) -> String {
+        format!("{} was founded", self.town.name)
+    }
+}

src/events/mod.rs

@@ -0,0 +1,5 @@
+mod found_town;
+mod world_genesis;
+
+pub use found_town::FoundTown;
+pub use world_genesis::WorldGenesis;

src/events/world_genesis.rs

@@ -0,0 +1,13 @@
+use crate::state::{GameState, Effect};
+
+pub struct WorldGenesis;
+
+impl Effect for WorldGenesis {
+    fn apply(&self, _state: &mut GameState) {
+        return;
+    }
+
+    fn description(&self) -> String {
+        "World was created".to_string()
+    }
+}

src/generators.rs

@@ -0,0 +1,18 @@
+use rand::seq::SliceRandom;
+pub struct TownNameGenerator {
+}
+
+impl TownNameGenerator {
+    pub fn name() -> String {
+        let first = include_str!("names/towns/first.txt").split("\n").collect::<Vec<&str>>();
+        let second = include_str!("names/towns/second.txt").split("\n").collect::<Vec<&str>>();
+
+        let mut rng = rand::thread_rng();
+        let first = first.choose(&mut rng).unwrap();
+        let second = second.choose(&mut rng).unwrap();
+
+        let name = format!("{}{}", first, second);
+        // capitalize first letter
+        name[0..1].to_uppercase() + &name[1..]
+    }
+}

src/main.rs

@@ -1,10 +1,18 @@
 mod world;
 mod state;
+mod events;
+mod time;
+mod generators;
 
-use noise::{Perlin, ScalePoint, Add, NoiseFn, Multiply, ScaleBias};
+use noise::{Perlin, ScalePoint, Add, NoiseFn, ScaleBias};
 use noise::utils::{NoiseMapBuilder, PlaneMapBuilder};
 use image::{RgbImage, Rgb};
 use rand::prelude::*;
+use world::World;
+
+
+const N_TOWNS: usize = 10;
+const WORLD_SIZE: usize = 256;
 
 struct BorderNoise {
     pub center: [f64; 2],
@@ -36,14 +44,10 @@ impl NoiseFn<f64, 2> for BorderNoise {
     }
 }
 
-fn main() {
-
-    let N_TOWNS = 10;
-
+fn build_world() -> World {
     let mut rng = rand::thread_rng();
 
-    let map_size = 256;
-    let map_center = map_size / 2;
+    let map_center = WORLD_SIZE / 2;
     let height = Add::new(
         ScaleBias::new(
             Add::new(
@@ -57,30 +61,23 @@ fn main() {
         ).set_scale(2000.0).set_bias(1000.0),
         BorderNoise::new(
             [map_center as f64, map_center as f64],
-            map_size as f64 * 0.4,
+            WORLD_SIZE as f64 * 0.4,
             100.0
         ),
     );
 
     let plane = PlaneMapBuilder::<_, 2>::new(&height)
-        .set_size(map_size, map_size)
-        .set_x_bounds(0.0, map_size as f64)
-        .set_y_bounds(0.0, map_size as f64)
+        .set_size(WORLD_SIZE, WORLD_SIZE)
+        .set_x_bounds(0.0, WORLD_SIZE as f64)
+        .set_y_bounds(0.0, WORLD_SIZE as f64)
         .build();
 
-    let min = plane.iter().fold(f64::MAX, |min, &val| val.min(min));
-    let max = plane.iter().fold(f64::MIN, |max, &val| val.max(max));
+    let mut img = RgbImage::new(WORLD_SIZE as u32, WORLD_SIZE as u32);
 
-    println!("Min: {}", min);
-    println!("Max: {}", max);
+    let mut world = world::World::new(WORLD_SIZE);
 
-
-    let mut img = RgbImage::new(map_size as u32, map_size as u32);
-
-    let mut world = world::World::new(map_size);
-
-    for x in 0..map_size {
-        for y in 0..map_size {
+    for x in 0..WORLD_SIZE {
+        for y in 0..WORLD_SIZE {
             let h = plane.get_value(x, y);
             let t = world::Terrain::from_height(h);
             world.map[x][y] = world::WorldCell::new(t);
@@ -88,27 +85,24 @@ fn main() {
         }
     }
 
-    let mut placed = 0;
-    while placed < N_TOWNS {
-        let x = rng.gen_range(0..map_size);
-        let y = rng.gen_range(0..map_size);
-        if 
-            world.map[x][y].terrain == world::Terrain::Flats ||
-            world.map[x][y].terrain == world::Terrain::Hills
-        {
-            world.add_structure(x, y, world::Structure::Town(world::Town::new()));
-            placed += 1;
-            img.put_pixel(x as u32, y as u32, Rgb([255, 0, 0]));
-        }
+    world
 }
 
-    let scaled = image::imageops::resize(
-        &img,
-        map_size as u32 * 4, map_size as u32 * 4,
-        image::imageops::FilterType::Nearest);
+fn main() {
 
-    scaled.save("world.png").unwrap();
+    let mut state = state::GameState::new(build_world());
 
 
+    let mut rng = rand::thread_rng();
+    for _ in 0..N_TOWNS {
+
+        state.step_n(rng.gen_range(0..360*3));
+        state.found_town();
+    }
+
+    for event in &state.events {
+        println!("{}", event.description());
+    }
+    
 
 }

src/names/towns/first.txt

@@ -0,0 +1,12 @@
+iron
+copper
+silver
+gold
+wood
+frost
+summer
+winter
+spring
+dagger
+sword
+hammer

src/names/towns/second.txt

@@ -0,0 +1,12 @@
+iron
+copper
+silver
+gold
+wood
+frost
+summer
+winter
+spring
+dagger
+sword
+hammer

src/person.rs

@@ -0,0 +1,12 @@
+pub enum Profession {
+    Peasant,
+    Adventurer,
+    Blacksmith,
+}
+
+pub struct Person {
+    pub name: String,
+    pub age: u32,
+    pub profession: Profession,
+    pub location: [usize; 2],
+}

src/state.rs

@@ -1,4 +1,88 @@
-use crate::world::World;
+
+use std::rc::Rc;
+
+use rand::prelude::*;
+use crate::time::Time;
+use crate::world::{World, Terrain, Town};
+use crate::events::{FoundTown, WorldGenesis};
 pub struct GameState {
+    pub time: Time,
     pub world: World,
+    pub events: Vec<Box<Event>>
+}
+
+pub struct Event {
+    pub time: Time,
+    pub effect: Box<dyn Effect>,
+}
+
+pub trait Effect {
+    fn apply(&self, state: &mut GameState);
+    fn description(&self) -> String;
+}
+
+impl Event {
+    pub fn description(&self) -> String {
+        format!("{}: {}", self.time, self.effect.description())
+    }
+}
+
+
+impl GameState {
+    pub fn new(world: World) -> GameState {
+        let mut events = Vec::new();
+        events.push(Box::new(Event {
+            time: Time { time: 0 },
+            effect: Box::new(WorldGenesis),
+        }));
+
+        GameState {
+            time: Time { time: 0 },
+            world: world,
+            events: events,
+        }
+    }
+
+    pub fn add_event(&mut self, event: Event) {
+        event.effect.apply(self);
+        self.events.push(Box::new(event));
+    }
+
+    pub fn step(&mut self) {
+        self.time.time += 1;
+    }
+
+    pub fn step_n(&mut self, n: u32) {
+        for _ in 0..n {
+            self.step();
+        }
+    }
+
+    pub fn step_year(&mut self) {
+        for _ in 0..360 {
+            self.step();
+        }
+    }
+
+    pub fn found_town(&mut self) {  
+        let mut rng = rand::thread_rng();  
+        loop {
+            let x = rng.gen_range(0..self.world.size);
+            let y = rng.gen_range(0..self.world.size);
+            if 
+                self.world.map[x][y].terrain == Terrain::Flats ||
+                self.world.map[x][y].terrain == Terrain::Hills
+            {
+                self.add_event(Event {
+                    time: self.time,
+                    effect: Box::new(FoundTown {
+                        x: x,
+                        y: y,
+                        town: Rc::new(Town::new()),
+                    })
+                });
+                break;
+            }
+        }
+    }
 }

src/time.rs

@@ -0,0 +1,17 @@
+use std::fmt;
+
+#[derive(Clone, Copy)]
+pub struct Time{
+    pub time: u32,
+}
+
+impl fmt::Display for Time {
+
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let year = self.time / 360;
+        let month = (self.time / 30) % 12;
+        let day = self.time % 30;
+        write!(f, "Year {}, {} of {}", year, day, month)
+    }
+}
+

src/world.rs

@@ -1,3 +1,8 @@
+use std::rc::Rc;
+use rand::prelude::*;
+
+use crate::generators::TownNameGenerator;
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum Terrain {
     Void,
@@ -16,7 +21,7 @@ pub struct Town {
 }
 
 pub enum Structure {
-    Town(Town),
+    Town(Rc<Town>),
 }
 
 pub struct WorldCell {
@@ -94,9 +99,10 @@ impl Terrain {
 
 impl Town {
     pub fn new() -> Town {
+        let mut rng = rand::thread_rng();
         Town {
-            name: "Town".to_string(),
-            population: 100,
+            name: TownNameGenerator::name(),
+            population: rng.gen_range(100..500),
         }
     }
 }