From 3455559d33bf3a374de2544d29443aebdbeb4f96 Mon Sep 17 00:00:00 2001
From: Pierre Hubert <pierre.git@communiquons.org>
Date: Sat, 15 Oct 2022 16:06:47 +0200
Subject: [PATCH] Can fire with mouse

---
 rust/cli_player/src/ui_screens/game_screen.rs | 59 +++++++++++++++----
 1 file changed, 46 insertions(+), 13 deletions(-)

diff --git a/rust/cli_player/src/ui_screens/game_screen.rs b/rust/cli_player/src/ui_screens/game_screen.rs
index 4a7faaf..c09650c 100644
--- a/rust/cli_player/src/ui_screens/game_screen.rs
+++ b/rust/cli_player/src/ui_screens/game_screen.rs
@@ -1,8 +1,9 @@
 use std::cmp::max;
+use std::collections::HashMap;
 use std::time::{Duration, Instant};
 
 use crossterm::event;
-use crossterm::event::{Event, KeyCode};
+use crossterm::event::{Event, KeyCode, MouseButton, MouseEventKind};
 use tui::backend::Backend;
 use tui::layout::{Constraint, Direction, Layout};
 use tui::style::Color;
@@ -22,6 +23,8 @@ use crate::ui_screens::utils::{centered_rect_size, centered_text};
 use crate::ui_screens::ScreenResult;
 use crate::ui_widgets::game_map_widget::{ColoredCells, GameMapWidget};
 
+type CoordinatesMapper = HashMap<Coordinates, Coordinates>;
+
 #[derive(Eq, PartialEq)]
 enum GameStatus {
     Pending,
@@ -72,9 +75,12 @@ impl GameScreen {
 
     pub async fn show<B: Backend>(mut self, terminal: &mut Terminal<B>) -> Res<ScreenResult> {
         let mut last_tick = Instant::now();
+
+        let mut coordinates_mapper = CoordinatesMapper::new();
+
         loop {
             // Update UI
-            terminal.draw(|f| self.ui(f))?;
+            terminal.draw(|f| coordinates_mapper = self.ui(f))?;
 
             let timeout = TICK_RATE
                 .checked_sub(last_tick.elapsed())
@@ -82,7 +88,10 @@ impl GameScreen {
 
             // Handle terminal events
             if crossterm::event::poll(timeout)? {
-                if let Event::Key(key) = event::read()? {
+                let event = event::read()?;
+
+                // Keyboard event
+                if let Event::Key(key) = &event {
                     let mut new_shoot_pos = self.curr_shoot_position;
 
                     match key.code {
@@ -102,9 +111,11 @@ impl GameScreen {
                         // Shoot
                         KeyCode::Enter if self.can_fire() => {
                             if self.game.can_fire_at_location(self.curr_shoot_position) {
-                                self.client.send_message(&ClientMessage::Fire {
-                                    location: self.curr_shoot_position,
-                                }).await?;
+                                self.client
+                                    .send_message(&ClientMessage::Fire {
+                                        location: self.curr_shoot_position,
+                                    })
+                                    .await?;
                             }
                         }
 
@@ -115,6 +126,17 @@ impl GameScreen {
                         self.curr_shoot_position = new_shoot_pos;
                     }
                 }
+
+                // Mouse event
+                if let Event::Mouse(mouse) = event {
+                    if mouse.kind == MouseEventKind::Up(MouseButton::Left) {
+                        if let Some(c) =
+                            coordinates_mapper.get(&Coordinates::new(mouse.column, mouse.row))
+                        {
+                            self.curr_shoot_position = *c;
+                        }
+                    }
+                }
             }
 
             // Handle incoming messages
@@ -213,7 +235,7 @@ impl GameScreen {
 
         // Sunk boats
         let sunk_boats = ColoredCells {
-            color: Color::Red,
+            color: Color::Gray,
             cells: map
                 .sunk_boats
                 .iter()
@@ -223,13 +245,13 @@ impl GameScreen {
 
         // Touched boats
         let touched_areas = ColoredCells {
-            color: Color::Rgb(245, 45, 7),
+            color: Color::Red,
             cells: map.successful_strikes.clone(),
         };
 
         // Failed strikes
         let failed_strikes = ColoredCells {
-            color: Color::Gray,
+            color: Color::DarkGray,
             cells: map.failed_strikes.clone(),
         };
 
@@ -251,7 +273,7 @@ impl GameScreen {
             .add_colored_cells(boats)
     }
 
-    fn ui<B: Backend>(&mut self, f: &mut Frame<B>) {
+    fn ui<B: Backend>(&mut self, f: &mut Frame<B>) -> CoordinatesMapper {
         let status_text = self
             .status
             .status_text()
@@ -260,7 +282,7 @@ impl GameScreen {
         // If the game is in a state where game maps can not be shown
         if !self.status.can_show_game_maps() {
             PopupScreen::new(&status_text).show_in_frame(f);
-            return;
+            return HashMap::default();
         }
 
         // Draw main ui (default play UI)
@@ -268,9 +290,17 @@ impl GameScreen {
             .player_map(&self.game.your_map, false)
             .set_title("YOUR map");
 
+        let mut coordinates_mapper = HashMap::new();
         let mut opponent_map = self
             .player_map(&self.game.opponent_map, true)
-            .set_title(self.opponent_name());
+            .set_title(self.opponent_name())
+            .set_yield_func(|c, r| {
+                for i in 0..r.width {
+                    for j in 0..r.height {
+                        coordinates_mapper.insert(Coordinates::new(r.x + i, r.y + j), c);
+                    }
+                }
+            });
 
         if self.can_fire() {
             opponent_map = opponent_map
@@ -295,7 +325,7 @@ impl GameScreen {
         // Check if frame is too small
         if max_width > f.size().width || total_height > f.size().height {
             PopupScreen::new("Screen too small!").show_in_frame(f);
-            return;
+            return HashMap::default();
         }
 
         let chunks = Layout::default()
@@ -330,10 +360,13 @@ impl GameScreen {
                 f.render_widget(opponent_map, chunks[1]);
             } else {
                 f.render_widget(player_map, chunks[1]);
+                drop(opponent_map);
             }
         }
 
         // Render buttons
         // TODO : at the end of the game
+
+        coordinates_mapper
     }
 }