rust-rl/src/gui/remove_curse_menu.rs
2023-08-22 10:50:44 +01:00

113 lines
4.6 KiB
Rust

use super::{
get_max_inventory_width, item_colour_ecs, obfuscate_name_ecs, print_options, renderable_colour, ItemMenuResult,
UniqueInventoryItem,
};
use crate::{gamelog, Beatitude, Entity, Equipped, InBackpack, Item, Name, Renderable, State, BUC};
use rltk::prelude::*;
use specs::prelude::*;
use std::collections::BTreeMap;
/// Handles the Remove Curse menu.
pub fn remove_curse(gs: &mut State, ctx: &mut Rltk) -> (ItemMenuResult, Option<Entity>) {
let player_entity = gs.ecs.fetch::<Entity>();
let equipped = gs.ecs.read_storage::<Equipped>();
let backpack = gs.ecs.read_storage::<InBackpack>();
let entities = gs.ecs.entities();
let items = gs.ecs.read_storage::<Item>();
let beatitudes = gs.ecs.read_storage::<Beatitude>();
let names = gs.ecs.read_storage::<Name>();
let renderables = gs.ecs.read_storage::<Renderable>();
let build_cursed_iterator = || {
(&entities, &items, &beatitudes, &renderables, &names).join().filter(|(item_entity, _i, b, _r, _n)| {
// Set all items to FALSE initially.
let mut keep = false;
// If found in the player's backpack, set to TRUE
if let Some(bp) = backpack.get(*item_entity) {
if bp.owner == *player_entity {
keep = true;
}
}
// If found in the player's equipslot, set to TRUE
if let Some(equip) = equipped.get(*item_entity) {
if equip.owner == *player_entity {
keep = true;
}
}
// If it's not OUR item, RETURN FALSE.
if !keep {
return false;
}
// If it's identified as noncursed, RETURN FALSE.
if b.known && b.buc != BUC::Cursed {
return false;
}
// Otherwise, return: returns any items that are unidentified,
// or identified as being cursed.
return true;
})
};
// Build list of items to display
let count = build_cursed_iterator().count();
// If no items, return nothing, wasting the scroll.
if count == 0 {
return (ItemMenuResult::Cancel, None);
}
// If only one item, return it.
if count == 1 {
return (ItemMenuResult::Selected, Some(build_cursed_iterator().nth(0).unwrap().0));
}
let mut player_inventory: BTreeMap<UniqueInventoryItem, i32> = BTreeMap::new();
let mut inventory_ids: BTreeMap<String, Entity> = BTreeMap::new();
for (entity, _i, _b, renderable, name) in build_cursed_iterator() {
let (singular, plural) = obfuscate_name_ecs(&gs.ecs, entity);
player_inventory
.entry(UniqueInventoryItem {
display_name: super::DisplayName { singular: singular.clone(), plural: plural.clone() },
rgb: item_colour_ecs(&gs.ecs, entity),
renderables: renderable_colour(&renderables, entity),
glyph: renderable.glyph,
name: name.name.clone(),
})
.and_modify(|count| *count += 1)
.or_insert(1);
inventory_ids.entry(singular).or_insert(entity);
}
// Get display args
let width = get_max_inventory_width(&player_inventory);
let (_, _, _, _, x_offset, y_offset) = crate::camera::get_screen_bounds(&gs.ecs, ctx);
let (x, y) = (x_offset + 1, y_offset + 3);
// Draw menu
ctx.print_color(
1 + x_offset,
1 + y_offset,
RGB::named(rltk::WHITE),
RGB::named(rltk::BLACK),
"Decurse which item? [aA-zZ][Esc.]",
);
ctx.draw_box(x, y, width + 2, count + 1, RGB::named(WHITE), RGB::named(BLACK));
print_options(player_inventory, x + 1, y + 1, ctx);
// Input
match ctx.key {
None => (ItemMenuResult::NoResponse, None),
Some(key) => match key {
VirtualKeyCode::Escape => (ItemMenuResult::Cancel, None),
_ => {
let selection = rltk::letter_to_option(key);
if selection > -1 && selection < count as i32 {
let item = inventory_ids.iter().nth(selection as usize).unwrap().1;
gamelog::Logger::new()
.append("You decurse the")
.colour(item_colour_ecs(&gs.ecs, *item))
.append_n(obfuscate_name_ecs(&gs.ecs, *item).0)
.colour(WHITE)
.append("!")
.log();
return (ItemMenuResult::Selected, Some(*item));
}
(ItemMenuResult::NoResponse, None)
}
},
}
}