123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201 |
- extern crate rltk;
- use rltk::{Console, GameState, Point, Rltk, RGB};
- extern crate specs;
- use specs::prelude::*;
- #[macro_use]
- extern crate specs_derive;
- mod components;
- pub use components::*;
- mod map;
- pub use map::*;
- mod player;
- use player::*;
- mod rect;
- pub use rect::Rect;
- mod visibility_system;
- use visibility_system::VisibilitySystem;
- mod monster_ai_system;
- use monster_ai_system::MonsterAI;
- mod map_indexing_system;
- use map_indexing_system::MapIndexingSystem;
- mod melee_combat_system;
- use melee_combat_system::MeleeCombatSystem;
- mod damage_system;
- use damage_system::DamageSystem;
- rltk::add_wasm_support!();
- #[derive(PartialEq, Copy, Clone)]
- pub enum RunState {
- AwaitingInput,
- PreRun,
- PlayerTurn,
- MonsterTurn,
- }
- pub struct State {
- pub ecs: World,
- }
- impl State {
- fn run_systems(&mut self) {
- let mut mapindex = MapIndexingSystem {};
- mapindex.run_now(&self.ecs);
- let mut vis = VisibilitySystem {};
- vis.run_now(&self.ecs);
- let mut mob = MonsterAI {};
- mob.run_now(&self.ecs);
- let mut melee = MeleeCombatSystem {};
- melee.run_now(&self.ecs);
- let mut damage = DamageSystem {};
- damage.run_now(&self.ecs);
- self.ecs.maintain();
- }
- }
- impl GameState for State {
- fn tick(&mut self, ctx: &mut Rltk) {
- ctx.cls();
- let mut newrunstate;
- {
- let runstate = self.ecs.fetch::<RunState>();
- newrunstate = *runstate;
- }
- match newrunstate {
- RunState::PreRun => {
- self.run_systems();
- newrunstate = RunState::AwaitingInput;
- }
- RunState::AwaitingInput => {
- newrunstate = player_input(self, ctx);
- }
- RunState::PlayerTurn => {
- self.run_systems();
- newrunstate = RunState::MonsterTurn;
- }
- RunState::MonsterTurn => {
- self.run_systems();
- newrunstate = RunState::AwaitingInput;
- }
- }
- {
- let mut runwriter = self.ecs.write_resource::<RunState>();
- *runwriter = newrunstate;
- }
- damage_system::delete_the_dead(&mut self.ecs);
- draw_map(&self.ecs, ctx);
- let positions = self.ecs.read_storage::<Position>();
- let renderables = self.ecs.read_storage::<Renderable>();
- let map = self.ecs.fetch::<Map>();
- for (pos, render) in (&positions, &renderables).join() {
- let idx = map.xy_idx(pos.x, pos.y);
- if map.visible_tiles[idx] {
- ctx.set(pos.x, pos.y, render.fg, render.bg, render.glyph)
- }
- }
- }
- }
- fn main() {
- let context = Rltk::init_simple8x8(80, 50, "Hello Rust World", "resources");
- let mut gs = State { ecs: World::new() };
- gs.ecs.register::<Position>();
- gs.ecs.register::<Renderable>();
- gs.ecs.register::<Player>();
- gs.ecs.register::<Viewshed>();
- gs.ecs.register::<Monster>();
- gs.ecs.register::<Name>();
- gs.ecs.register::<BlocksTile>();
- gs.ecs.register::<CombatStats>();
- gs.ecs.register::<WantsToMelee>();
- gs.ecs.register::<SufferDamage>();
- let map: Map = Map::new_map_rooms_and_corridors();
- let (player_x, player_y) = map.rooms[0].center();
- let player_entity = gs
- .ecs
- .create_entity()
- .with(Position {
- x: player_x,
- y: player_y,
- })
- .with(Renderable {
- glyph: rltk::to_cp437('@'),
- fg: RGB::named(rltk::YELLOW),
- bg: RGB::named(rltk::BLACK),
- })
- .with(Player {})
- .with(Viewshed {
- visible_tiles: Vec::new(),
- range: 8,
- dirty: true,
- })
- .with(Name {
- name: "Player".to_string(),
- })
- .with(CombatStats {
- max_hp: 30,
- hp: 30,
- defense: 2,
- power: 5,
- })
- .build();
- let mut rng = rltk::RandomNumberGenerator::new();
- for (i, room) in map.rooms.iter().skip(1).enumerate() {
- let (x, y) = room.center();
- let glyph: u8;
- let name: String;
- let roll = rng.roll_dice(1, 2);
- match roll {
- 1 => {
- glyph = rltk::to_cp437('g');
- name = "Goblin".to_string();
- }
- _ => {
- glyph = rltk::to_cp437('o');
- name = "Orc".to_string();
- }
- }
- gs.ecs
- .create_entity()
- .with(Position { x, y })
- .with(Renderable {
- glyph,
- fg: RGB::named(rltk::RED),
- bg: RGB::named(rltk::BLACK),
- })
- .with(Viewshed {
- visible_tiles: Vec::new(),
- range: 8,
- dirty: true,
- })
- .with(Monster {})
- .with(Name {
- name: format!("{} #{}", &name, i),
- })
- .with(BlocksTile {})
- .with(CombatStats {
- max_hp: 16,
- hp: 16,
- defense: 1,
- power: 4,
- })
- .build();
- }
- gs.ecs.insert(map);
- gs.ecs.insert(Point::new(player_x, player_y));
- gs.ecs.insert(player_entity);
- gs.ecs.insert(RunState::PreRun);
- rltk::main_loop(context, gs);
- }
|