84 lines
2.4 KiB
Rust
84 lines
2.4 KiB
Rust
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use ::rltk::{Rltk, VirtualKeyCode};
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use ::specs::prelude::*;
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use super::enums::*;
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use super::{get_item_color, get_item_display_name};
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use crate::components::{InBackpack, Name};
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use crate::{colors, State};
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pub fn show_inventory(gs: &mut State, ctx: &mut Rltk) -> (ItemMenuResult, Option<Entity>) {
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let player_entity = gs.ecs.fetch::<Entity>();
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let names = gs.ecs.read_storage::<Name>();
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let backpack = gs.ecs.read_storage::<InBackpack>();
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let entities = gs.ecs.entities();
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let inventory = (&backpack, &names)
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.join()
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.filter(|item| item.0.owner == *player_entity);
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let count = inventory.count();
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let mut y = (25 - (count / 2)) as i32;
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ctx.draw_box(
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15,
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y - 2,
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31,
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(count + 3) as i32,
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colors::WHITE,
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colors::BLACK,
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);
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ctx.print_color(18, y - 2, colors::YELLOW, colors::BLACK, "Inventory");
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ctx.print_color(
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18,
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y + count as i32 + 1,
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colors::YELLOW,
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colors::BLACK,
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"ESCAPE to cancel",
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);
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let mut equippable: Vec<Entity> = Vec::new();
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let mut j = 0;
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#[allow(clippy::explicit_counter_loop)]
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for (entity, _pack) in (&entities, &backpack)
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.join()
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.filter(|item| item.1.owner == *player_entity)
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{
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ctx.set(17, y, colors::WHITE, colors::BLACK, rltk::to_cp437('('));
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ctx.set(
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18,
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y,
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colors::YELLOW,
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colors::BLACK,
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97 + j as rltk::FontCharType,
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);
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ctx.set(19, y, colors::WHITE, colors::BLACK, rltk::to_cp437(')'));
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ctx.print_color(
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21,
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y,
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get_item_color(&gs.ecs, entity),
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colors::BLACK,
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&get_item_display_name(&gs.ecs, entity),
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);
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equippable.push(entity);
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y += 1;
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j += 1;
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}
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match ctx.key {
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None => (ItemMenuResult::NoResponse, None),
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Some(key) => match key {
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VirtualKeyCode::Escape => (ItemMenuResult::Cancel, None),
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_ => {
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let selection = rltk::letter_to_option(key);
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if selection > -1 && selection < count as i32 {
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return (
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ItemMenuResult::Selected,
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Some(equippable[selection as usize]),
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);
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}
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(ItemMenuResult::NoResponse, None)
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}
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},
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}
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}
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