Merge branch 'master' of https://git.e-dt.xyz/e-dt/apruebo

src/main.rs

@@ -1,6 +1,6 @@
-use ggez::input::mouse::{self, MouseButton};
 use ggez::event::{self, EventHandler};
 use ggez::graphics::{self, Color, DrawMode, Mesh, MeshBuilder};
+use ggez::input::mouse::{self, MouseButton};
 use ggez::{Context, ContextBuilder, GameResult};
 
 use std::env;
@@ -16,16 +16,35 @@ struct Apr {
     board: Vec<Vec<u8>>,
     grid: Mesh,
     should_update_grid: bool,
-    // Your state here...
-    __test_state: usize,
 
-    //These would go in a dedicated Actor struct in the real game.
-    __test_pawn_image: graphics::Image,
-    __test_pawn_x: f32,
-    __test_pawn_y: f32,
-    __test_pawn_held: bool,
-    __test_pawn_h_x: f32,
-    __test_pawn_h_y: f32,
+    actors: Vec<Actor>,
+    behaviours: Vec<Behaviour>,
+}
+
+struct Behaviour {
+    moves: Vec<(u8, u8)>, //this is a placeholder
+}
+
+enum ActorPosn {
+    Board {
+        x: u8,
+        y: u8,
+    },
+    Floating {
+        x: f32,
+        y: f32,
+        held_x: f32,
+        held_y: f32,
+    },
+}
+
+use crate::ActorPosn::{Board, Floating};
+
+struct Actor {
+    image: graphics::Image,
+
+    posn: ActorPosn,
+    behaviour: u8, //index into the behaviours array
 }
 
 struct Piece {
@@ -63,7 +82,7 @@ fn make_grid(ctx: &mut Context, r: i32, c: i32, board: &[Vec<u8>]) -> GameResult
                     6 => Color::BLUE,
                     7 => Color::MAGENTA,
                     _ => Color::BLACK,
-                }
+                },
             )?;
         }
     }
@@ -81,6 +100,27 @@ fn make_board(r: i32, c: i32) -> Vec<Vec<u8>> {
     init
 }
 
+fn closest_square_coords(x: f32, y: f32, col: i32, row: i32) -> (u8, u8) {
+    //First, normalise to within the grid.
+    let mut x = x;
+    x = x.max(START_X);
+    x = x.min(START_X + (BOARD_SQUARE_SIZE * col as f32) - 1.0);
+
+    let mut y = y;
+    y = y.max(START_Y);
+    y = y.min(START_Y + (BOARD_SQUARE_SIZE * row as f32) - 1.0);
+
+    //Then, remove the start x and y
+    x -= START_X;
+    y -= START_Y;
+
+    //Then, snap to board coords.
+
+    let x = (x / BOARD_SQUARE_SIZE) as u8;
+    let y = (y / BOARD_SQUARE_SIZE) as u8;
+
+    (x, y)
+}
 impl Apr {
     pub fn new(_ctx: &mut Context, r: i32, c: i32) -> GameResult<Apr> {
         // Load/create resources such as images here.
@@ -91,14 +131,15 @@ impl Apr {
             grid: make_grid(_ctx, r, c, board.as_slice())?,
             board,
             should_update_grid: false,
-            __test_state: 0,
-
-            __test_pawn_image: graphics::Image::new(_ctx, "/pawn.png")?,
-            __test_pawn_x: 20.0,
-            __test_pawn_y: 20.0,
-            __test_pawn_held: false,
-            __test_pawn_h_x: 0.0,
-            __test_pawn_h_y: 0.0
+
+            actors: vec![Actor {
+                image: graphics::Image::new(_ctx, "/pawn.png")?,
+                posn: Board { x: 0, y: 0 },
+                behaviour: 0,
+            }],
+            behaviours: vec![Behaviour {
+                moves: vec![(0, 1)],
+            }], //the pawn can go ONE forwards
         })
     }
 
@@ -107,58 +148,49 @@ impl Apr {
         self.should_update_grid = true;
         Ok(())
     }
-
-    fn closest_square_coords(&self, x: f32, y: f32) -> (f32, f32) {
-        //First, normalise to within the grid.
-        let mut x = x;
-        x = x.max(START_X);
-        x = x.min(START_X + (BOARD_SQUARE_SIZE * self.col as f32) - 1.0);
-
-        let mut y = y;
-        y = y.max(START_Y);
-        y = y.min(START_Y + (BOARD_SQUARE_SIZE * self.row as f32) - 1.0);
-
-        //Then, snap to top left.
-
-        x = (x / BOARD_SQUARE_SIZE).trunc() * BOARD_SQUARE_SIZE;
-        y = (y / BOARD_SQUARE_SIZE).trunc() * BOARD_SQUARE_SIZE;
-
-        (x, y)
 }
-}
-
 impl EventHandler for Apr {
     fn update(&mut self, ctx: &mut Context) -> GameResult<()> {
-        for _x in 0..self.col {
-            let c = self.__test_state % self.col as usize;
-            let r = (self.__test_state / self.row as usize) % self.row as usize;
-            self.set_colour(r, c, (self.board[r][c] + 1) % 8)?;
-            self.__test_state += 1;
-        }
-        
         let posn = mouse::position(ctx);
-        if self.__test_pawn_held {
-            if !mouse::button_pressed(ctx, MouseButton::Left) { // no long clicking and dragging
-                let (x, y) = self.closest_square_coords(posn.x, posn.y);
-                self.__test_pawn_x = x;
-                self.__test_pawn_y = y;
-                self.__test_pawn_held = false;
+        for actor in self.actors.iter_mut() {
+            match actor.posn {
+                Floating {
+                    x: _,
+                    y: _,
+                    held_x,
+                    held_y,
+                } => {
+                    if !mouse::button_pressed(ctx, MouseButton::Left) {
+                        // no long clicking and dragging
+                        let (x, y) = closest_square_coords(posn.x, posn.y, self.col, self.row);
+                        actor.posn = Board { x, y };
                     } else {
-                self.__test_pawn_x = posn.x + self.__test_pawn_h_x;
-                self.__test_pawn_y = posn.y + self.__test_pawn_h_y;
+                        actor.posn = Floating {
+                            x: posn.x + held_x,
+                            y: posn.y + held_y,
+                            held_x,
+                            held_y,
+                        };
+                    }
+                }
+                Board { x, y } => {
+                    if mouse::button_pressed(ctx, MouseButton::Left) {
+                        let (posx, posy) =
+                            closest_square_coords(posn.x, posn.y, self.col, self.row);
+                        if posx == x && posy == y {
+                            let x = START_X + BOARD_SQUARE_SIZE * (x as f32);
+                            let y = START_Y + BOARD_SQUARE_SIZE * (y as f32);
+                            actor.posn = Floating {
+                                x,
+                                y,
+                                held_x: x - posn.x,
+                                held_y: y - posn.y,
+                            };
+                        }
+                    }
                 }
-        } else if mouse::button_pressed(ctx, MouseButton::Left) {
-            let posx = posn.x;
-            let posy = posn.y;
-            if posx >= self.__test_pawn_x && posx <= self.__test_pawn_x + BOARD_SQUARE_SIZE && posy >= self.__test_pawn_y && posy <= self.__test_pawn_y + BOARD_SQUARE_SIZE {
-                self.__test_pawn_h_x = self.__test_pawn_x - posx;
-                self.__test_pawn_h_y = self.__test_pawn_y - posy;
-                    self.__test_pawn_held = true;
             }
-        } else {
-            self.set_colour(((self.__test_pawn_y - START_Y) / BOARD_SQUARE_SIZE) as usize, ((self.__test_pawn_x - START_X) / BOARD_SQUARE_SIZE) as usize, 3)?;
         }
-        
         Ok(())
     }
 
@@ -171,7 +203,24 @@ impl EventHandler for Apr {
             self.should_update_grid = false;
         }
         graphics::draw(ctx, &self.grid, drawparams)?;
-        graphics::draw(ctx, &self.__test_pawn_image, drawparams.dest([self.__test_pawn_x, self.__test_pawn_y]))?;
+        for actor in &self.actors {
+            match actor.posn {
+                Floating {
+                    x,
+                    y,
+                    held_x: _,
+                    held_y: _,
+                } => graphics::draw(ctx, &actor.image, drawparams.dest([x, y]))?,
+                Board { x, y } => graphics::draw(
+                    ctx,
+                    &actor.image,
+                    drawparams.dest([
+                        START_X + BOARD_SQUARE_SIZE * (x as f32),
+                        START_Y + BOARD_SQUARE_SIZE * (y as f32),
+                    ]),
+                )?,
+            }
+        }
         // Draw code here...
         graphics::present(ctx)
     }
@@ -188,9 +237,7 @@ fn main() -> GameResult<()> {
     }
 
     // Make a Context.
-    let (mut ctx, event_loop) = cb
-        .build()
-        .expect("aieee, could not create ggez context!");
+    let (mut ctx, event_loop) = cb.build().expect("aieee, could not create ggez context!");
 
     // Create an instance of your event handler.
     // Usually, you should provide it with the Context object to