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|
use std::collections::HashMap;
use specs::{Builder, world::LazyBuilder};
use crate::components::{Visible, Blocking, Player, Floor};
use crate::parameter::{Parameter, ParameterType};
macro_rules! components {
($($comp: ident [$($paramname: ident : $paramtype: ident),*] $paramlist: ident {$creation: expr});*) => {
#[derive(Clone)]
pub enum ComponentWrapper{
$(
$comp($comp),
)*
}
impl ComponentWrapper {
pub fn build<'a>(&self, builder: LazyBuilder<'a>) -> LazyBuilder<'a> {
match self.clone() {
$(
Self::$comp(c) => builder.with(c),
)*
}
}
pub fn load_component(comptype: ComponentType, parameters_: HashMap<&str, Parameter>) -> Option<Self> {
match comptype {
$(
ComponentType::$comp => Some(Self::$comp({
#[allow(unused_mut)]
let mut $paramlist = parameters_;
$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 [sprite: String, height: Float] parameters {
Visible {
sprite: parameters.remove("sprite")?.as_string()?,
height: parameters.remove("height")?.as_f64()?
}
};
Blocking [] _p {Blocking};
Floor [] _p {Floor};
Player [name: String] parameters {Player::new(parameters.remove("name")?.as_string()?)}
);
pub type PreEntity = Vec<ComponentWrapper>;
|
