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|
use std::collections::HashMap;
use specs::Builder;
use rand::Rng;
use crate::{
PlayerId,
RoomId,
Sprite,
playerstate::RoomPos,
components::{
AttackType,
Clan
},
parameter::{Parameter, ParameterType},
Timestamp
};
macro_rules! components {
($($comp: ident ($($paramname: ident : $paramtype: ident),*) $creation: expr);*;) => {
#[derive(Clone)]
pub enum ComponentWrapper{
$(
$comp(crate::components::$comp),
)*
}
impl ComponentWrapper {
pub fn build<A: Builder>(&self, builder: A ) -> A {
match self.clone() {
$(
Self::$comp(c) => builder.with(c),
)*
}
}
pub fn load_component(comptype: ComponentType, mut parameters: HashMap<&str, Parameter>) -> Option<Self> {
match comptype {
$(
ComponentType::$comp => Some(Self::$comp({
use crate::components::$comp;
$(
let $paramname = match parameters.remove(stringify!($paramname))? {
Parameter::$paramtype(p) => p,
_ => {return None}
};
)*
$creation
})),
)*
}
}
}
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum ComponentType {
$(
$comp,
)*
}
impl ComponentType {
pub fn from_str(typename: &str) -> Option<ComponentType>{
match typename {
$(
stringify!($comp) => Some(Self::$comp),
)*
_ => None
}
}
pub fn parameters(&self) -> HashMap<&str, ParameterType> {
match self {
$(
Self::$comp => {
#[allow(unused_mut)]
let mut h = HashMap::new();
$(
h.insert(stringify!($paramname), ParameterType::$paramtype);
)*
h
},
)*
}
}
}
}
}
components!(
Visible (name: String, sprite: String, height: Float) {
Visible {
sprite: Sprite{name: sprite},
height,
name
}
};
Movable (cooldown: Int) {Movable {cooldown}};
Blocking () {Blocking};
Floor () {Floor};
Player (name: String) {Player::new(PlayerId{name})};
Item (ent: Template, name: String, action: Action) {Item{ent, name, action}};
Inventory (capacity: Int) {Inventory{items: Vec::new(), capacity: capacity as usize}};
Health (health: Int, maxhealth: Int) {Health{health, maxhealth}};
Serialise (template: Template) {Serialise{template}};
RoomExit (destination: String, dest_pos: String) {
RoomExit {
destination: RoomId::from_str(&destination),
dest_pos: if dest_pos.is_empty() {
RoomPos::Unknown
} else {
RoomPos::Name(dest_pos)
}
}
};
Trap (damage: Int) {Trap{attack: AttackType::Attack(damage)}};
Fighter (damage: Int, cooldown: Int) {Fighter{attack: AttackType::Attack(damage), cooldown, range: 1}};
Healing (delay: Int, health: Int) {Healing{delay, health, next_heal: None}};
Volatile (delay: Int) {Volatile{delay, end_time: None}};
Autofight () {Autofight::default()};
MonsterAI (move_chance: Float, homesickness: Float, view_distance: Int) {MonsterAI{move_chance, homesickness, view_distance}};
Mortal () {Mortal};
Spawner (amount: Int, delay: Int, clan: String, template: Template, initial_spawn: Bool) {
Spawner{
amount: amount as usize,
delay,
clan: Clan{name:
if clan == "" {
format!("$random({})", rand::thread_rng().gen::<u32>())
} else {
clan
}
},
template: template.unsaved(),
last_spawn: if initial_spawn {Some(Timestamp(-delay))} else {None}
}
};
Clan (name: String) Clan{name};
Home (home: Pos) Home{home};
Faction (faction: String) {Faction::from_str(faction.as_str())?};
Interactable (action: String) {Interactable::from_str(action.as_str())?};
Loot (loot: LootList) {Loot{loot}};
Grow (delay: Int, into: Template) {Grow{delay, into, target_time: None}};
);
pub type PreEntity = Vec<ComponentWrapper>;
|
