use crate::{gamelog::GameLog, CombatStats, Map, Name, Player, Position}; use rltk::{Point, Rltk, RGB}; use specs::prelude::*; pub fn draw_ui(ecs: &World, ctx: &mut Rltk) { ctx.draw_box( 0, 43, 79, 6, RGB::named(rltk::WHITE), RGB::named(rltk::BLACK), ); let combat_stats = ecs.read_storage::(); let players = ecs.read_storage::(); // Display player health for (_player, stats) in (&players, &combat_stats).join() { let health = format!(" HP: {} / {} ", stats.hp, stats.max_hp); ctx.print_color( 12, 43, RGB::named(rltk::YELLOW), RGB::named(rltk::BLACK), &health, ); ctx.draw_bar_horizontal( 29, 43, 51, stats.hp, stats.max_hp, RGB::named(rltk::RED), RGB::named(rltk::BLACK), ); } // Display logs let log = ecs.fetch::(); let mut y = 44; for s in log.entries.iter().rev() { if y < 49 { ctx.print(2, y, s); } y += 1; } // Mouse cursor let mouse_pos = ctx.mouse_pos(); ctx.set_bg(mouse_pos.0, mouse_pos.1, RGB::named(rltk::MAGENTA)); draw_tooltips(ecs, ctx); } fn draw_tooltips(ecs: &World, ctx: &mut Rltk) { let map = ecs.fetch::(); let names = ecs.read_storage::(); let positions = ecs.read_storage::(); let mouse_pos = ctx.mouse_pos(); if mouse_pos.0 >= map.width || mouse_pos.1 >= map.height { return; } let mut tooltip: Vec = Vec::new(); for (name, position) in (&names, &positions).join() { let idx = map.xy_idx(position.x, position.y); if position.x == mouse_pos.0 && position.y == mouse_pos.1 && map.visible_tiles[idx] { tooltip.push(name.name.to_string()); } } if !tooltip.is_empty() { let mut width: i32 = 0; for s in tooltip.iter() { if width < s.len() as i32 { width = s.len() as i32; } } width += 3; if mouse_pos.0 > 40 { let arrow_pos = Point::new(mouse_pos.0 - 2, mouse_pos.1); let left_x = mouse_pos.0 - width; let mut y = mouse_pos.1; for s in tooltip.iter() { ctx.print_color( left_x, y, RGB::named(rltk::WHITE), RGB::named(rltk::GREY), s, ); let padding = (width - s.len() as i32) - 1; for i in 0..padding { ctx.print_color( arrow_pos.x - i, y, RGB::named(rltk::WHITE), RGB::named(rltk::GREY), &" ".to_string(), ); } y += 1; } ctx.print_color( arrow_pos.x, arrow_pos.y, RGB::named(rltk::WHITE), RGB::named(rltk::GREY), &"->".to_string(), ); } else { let arrow_pos = Point::new(mouse_pos.0 + 1, mouse_pos.1); let left_x = mouse_pos.0 + 3; let mut y = mouse_pos.1; for s in tooltip.iter() { ctx.print_color( left_x + 1, y, RGB::named(rltk::WHITE), RGB::named(rltk::GREY), s, ); let padding = (width - s.len() as i32) - 1; for i in 0..padding { ctx.print_color( arrow_pos.x + 1 + i, y, RGB::named(rltk::WHITE), RGB::named(rltk::GREY), &" ".to_string(), ); } y += 1; } ctx.print_color( arrow_pos.x, arrow_pos.y, RGB::named(rltk::WHITE), RGB::named(rltk::GREY), &"<-".to_string(), ); } } }