Charlie brown style scream

src/apr.rs

@@ -1,3 +1,13 @@
+//A NOTE TO WHOMSOEVER READS THIS FILE
+//EVERYTHING THAT TOUCHES THE BOARD STRUCT IS FUCKED SINCE IT GOES IN ROW-COLUMN AND EVERYTHING ELSE GOES IN COLUMN-ROW
+//REFACTORING IS A MUST
+//PLEASE LOOK AT ALL USES OF BOARD STRUCT WHEN YOU DO THIS
+
+//a double note
+//I JUST REFACTORED IT
+//BUT IM KEEPING THIS COMMENT TIL YOU MOTHERFUCKERS READ IT
+//BECAUSE I WANT YOU TO KNOW THE PAIN I HAVE FELT
+
 use ggez::event::EventHandler;
 use ggez::graphics::{self, Color, DrawMode, Mesh, MeshBuilder};
 use ggez::input::mouse::{self, MouseButton};
@@ -19,20 +29,25 @@ pub struct Apr {
     behaviours: Vec<behaviour::Behaviour>,
 }
 
-pub fn make_grid(ctx: &mut Context, r: u8, c: u8, board: &[Vec<u8>]) -> GameResult<Mesh> {
+pub fn make_grid(
+    ctx: &mut Context,
+    xlen: u8,
+    ylen: u8,
+    board: &[Vec<(u8, u8)>],
+) -> GameResult<Mesh> {
     let mut builder = MeshBuilder::new();
 
-    for row in 0..r {
-        for col in 0..c {
+    for x in 0..xlen {
+        for y in 0..ylen {
             builder.rectangle(
                 DrawMode::fill(),
                 graphics::Rect {
-                    x: board::START_X + (board::BOARD_SQUARE_SIZE * f32::from(col)),
-                    y: board::START_Y + (board::BOARD_SQUARE_SIZE * f32::from(row)),
+                    x: board::START_X + (board::BOARD_SQUARE_SIZE * f32::from(x)),
+                    y: board::START_Y + (board::BOARD_SQUARE_SIZE * f32::from(y)),
                     w: board::BOARD_SQUARE_SIZE,
                     h: board::BOARD_SQUARE_SIZE,
                 },
-                match board[row as usize][col as usize] % 2 {
+                match board[x as usize][y as usize].0 % 2 {
                     0 => Color::WHITE,
                     1 => Color::BLACK,
                     _ => Color::BLACK, //impossible
@@ -45,82 +60,37 @@ pub fn make_grid(ctx: &mut Context, r: u8, c: u8, board: &[Vec<u8>]) -> GameResu
 }
 
 impl Apr {
-    pub fn new(_ctx: &mut Context, r: u8, c: u8) -> GameResult<Apr> {
+    pub fn new(_ctx: &mut Context, xlen: u8, ylen: u8) -> GameResult<Apr> {
         // Load/create resources such as images here.
-        let board = board::make_board(r, c);
+        let board = board::make_board(xlen, ylen);
         let mut actors: Vec<actor::Actor> = Vec::new();
-        let mut behaviours: Vec<behaviour::Behaviour> = Vec::new();
-        for i in 0..r {
+        let mut behaviours: Vec<behaviour::Behaviour> = vec![behaviour::Behaviour {
+            moves: vec![behaviour::MovePattern {
+                movement: (0, -1),
+                amount: 1,
+            }],
+        }]; //pawn can move ONE forward, ONCE. not really the best test
+        for i in 0..xlen {
             // white side pawns
-            actors.push(actor::Actor::new(
-                _ctx,
-                "/pawn.png",
-                i,
-                1,
-                behaviours.iter().len() as u8,
-            ));
-            behaviours.push(behaviour::Behaviour::new(
-                vec![(1, 1)],
-                vec![(1, -1), (-1, -1)],
-            ));
-        }
-        for i in 0..=1 {
-            // white side knights
-            actors.push(actor::Actor::new(
-                _ctx,
-                "/pawn.png",
-                i,
-                0,
-                behaviours.iter().len() as u8,
-            ));
-            behaviours.push(behaviour::Behaviour::new(
-                vec![(1, 2)],
-                vec![(1, -1), (-1, -1)],
-            ));
-        }
-        for i in 0..r {
-            // black side pawns
-            actors.push(actor::Actor::new(
-                _ctx,
-                "/pawn2.png",
-                i,
-                c - 2,
-                behaviours.iter().len() as u8,
-            ));
-            behaviours.push(behaviour::Behaviour::new(
-                vec![(1, 1)],
-                vec![(1, 1), (-1, 1)],
-            ));
-        }
-        for i in 0..=1 {
-            // black side knights
-            actors.push(actor::Actor::new(
-                _ctx,
-                "/pawn2.png",
-                i,
-                c - 1,
-                behaviours.iter().len() as u8,
-            ));
-            behaviours.push(behaviour::Behaviour::new(
-                vec![(1, 2)],
-                vec![(1, 1), (-1, 1)],
-            ));
+            actors.push(actor::Actor::new(_ctx, "/pawn.png", i, 6, 0));
         }
 
+        actors.push(actor::Actor::new(_ctx, "/pawn.png", 4, 4, 0)); //blocking pawn for testing
+
         Ok(Apr {
-            grid: make_grid(_ctx, r, c, board.board.as_slice())?,
+            grid: make_grid(_ctx, xlen, ylen, board.board.as_slice())?,
             board,
             should_update_grid: false,
             actors,
             dragging: false,
-            behaviours, //the pawn can go TWO diagonally and to the right and only upwards (4-tile-corner leaper pawn behaviour)
+            behaviours,
         })
     }
 
     #[allow(dead_code)]
-    pub fn set_colour(&mut self, r: usize, c: usize, clr: u8) {
+    pub fn set_colour(&mut self, x: usize, y: usize, clr: u8) {
         //You should only modify self.board through this method.
-        self.board.board[r][c] = clr; //Making a getter for self.board would sadly break borrowing in the same way that closest_square_coords does.
+        self.board.board[x][y].0 = clr; //Making a getter for self.board would sadly break borrowing in the same way that closest_square_coords does.
         self.should_update_grid = true; //Similar solutions apply.
     }
 }
@@ -143,12 +113,20 @@ impl EventHandler for Apr {
                         let (x, y) = self.board.closest_square_coords(posn.x, posn.y);
                         if self.dragging {
                             // released, so now we check destination
-                            if !self.behaviours[index].validate_dest((prev_x, prev_y), (x, y)) {
+                            if !self.behaviours[usize::from(actor.behaviour)].validate_dest(
+                                (prev_x, prev_y),
+                                (x, y),
+                                &self.board,
+                            ) {
                                 actor.posn = actor::ActorPosn::BoardPosn {
                                     x: prev_x,
                                     y: prev_y,
                                 };
                             } else {
+                                self.board.board[usize::from(prev_y)][usize::from(prev_x)].1 = 255;
+                                self.board.board[usize::from(y)][usize::from(x)].1 = index as u8; //only 255 actors allowed? should be fine (laughing) (we look back at this in 10 years and die)
+                                                                                                  //[x][y] or [y][x]?? i think its [y][x] since row-column
+                                                                                                  //update, eveyrthing is fucked
                                 actor.posn = actor::ActorPosn::BoardPosn { x, y };
                             }
                         }
@@ -194,8 +172,8 @@ impl EventHandler for Apr {
         if self.should_update_grid {
             self.grid = make_grid(
                 ctx,
-                self.board.row,
-                self.board.col,
+                self.board.xlen,
+                self.board.ylen,
                 self.board.board.as_slice(),
             )?;
             self.should_update_grid = false;
@@ -210,7 +188,7 @@ impl EventHandler for Apr {
                     ctx,
                     &actor.image,
                     drawparams.dest([
-                        board::START_X + board::BOARD_SQUARE_SIZE * f32::from(x),
+                        board::START_X + board::BOARD_SQUARE_SIZE * f32::from(x), //i might have to kill myself
                         board::START_Y + board::BOARD_SQUARE_SIZE * f32::from(y),
                     ]),
                 )?,

src/behaviour.rs

@@ -1,30 +1,71 @@
+use crate::board;
+
+pub struct MovePattern {
+    pub movement: (i8, i8),
+    pub amount: u8,
+    /*
+       pub negx: bool, //some form of symmetry that is expressed by negating x value. whatever comes out of that is what this is
+       pub negy: bool
+    */ //commented out because they complicate implementation
+
+       //todo: flags for "on first move only", etc, etc, and corresponding state
+       //also todo, probably in validate_dest too: implement 'flipped y for enemy'
+}
+
 pub struct Behaviour {
-    pub moves: Vec<(i8, i8)>, //this is a placeholder
-    pub dirs: Vec<(i8, i8)>,  // up right down left
+    pub moves: Vec<MovePattern>,
 }
 
 impl Behaviour {
-    pub fn new(m: Vec<(i8, i8)>, d: Vec<(i8, i8)>) -> Behaviour {
-        Behaviour { moves: m, dirs: d }
-    }
-
-    pub fn validate_dest(&self, origin: (u8, u8), destination: (u8, u8)) -> bool {
-        // original plan was to use match but i felt for loops would work better since we dont yet know the extent of moves vector
-        // println!("origin: ({}, {}), destination: ({}, {})",origin.0, origin.1, destination.0, destination.1);
-        for moveset in self.moves.iter() {
-            for dir in self.dirs.iter() {
-                // mind blanking need to add something to confirm which direction we are iterating through
-                // println!("Permissible: ({}, {})",(origin.0 as i8) + dir.0 * moveset.0,(origin.1 as i8) - dir.1 * moveset.1);
-                if (
-                    ((origin.0 as i8) + moveset.0 * dir.0) as u8,
-                    ((origin.1 as i8) - moveset.1 * dir.1) as u8,
-                ) == destination
+    //    pub fn new(m: Vec<(i8, i8)>, d: Vec<(i8, i8)>) -> Behaviour {
+    //        Behaviour { moves: m, dirs: d }
+    //    }
+    //We don't need a `new' until it's not literally just an alias for the name of the struct.
+
+    pub fn validate_dest(
+        &self,
+        origin: (u8, u8),
+        destination: (u8, u8),
+        board: &board::Board,
+    ) -> bool {
+        //todo - this should be memoised. ideally in a transparent fashion? maybe nontransparent would help w/ highlighting
+        //but dont prematurely optimise, even if you have informaticsbrain
+        //just write down all you WANT to optimise as a todo.
+        //will we get around to it?
+        //who knows
+        'moves: for moveset in self.moves.iter() {
+            let mut posn: (i16, i16) = (origin.0.into(), origin.1.into());
+            let mut fuel = moveset.amount;
+            let dest_from: (i16, i16) = (destination.0.into(), destination.1.into());
+            while posn.0 >= 0
+                && posn.0 < board.xlen.into()
+                && posn.1 >= 0
+                && posn.1 < board.ylen.into()
             {
-                    return true;
-                } // flip the second component of calculation because the grid works from top left isntead of bot left like a piss
+                //println!("{:?}, {:?}", posn, dest_from);
+                if posn == dest_from {
+                    return true; //hey hey! we got there
+                }
+
+                if board.board[posn.1 as usize][posn.0 as usize].1 != 255 {
+                    //`as' is safe because we guarantee it's above 0 in the while.
+                    //don't do captures yet
+                    //lol
+                    //mvp
+                    //lol
+
+                    continue 'moves; //abort this line of movement
+                }
+
+                if fuel == 0 {
+                    //println!("Augh!!");
+                    continue 'moves; //gone all i can
+                }
+                fuel -= 1;
+                posn.0 += i16::from(moveset.movement.0);
+                posn.1 += i16::from(moveset.movement.1);
             }
         }
         false
     }
 }
-// ok remember wghen i said in chat i didnt think enough on the directions concept. well that was pretty fucked up.

src/board.rs

@@ -3,22 +3,22 @@ pub const START_Y: f32 = 20.0;
 pub const BOARD_SQUARE_SIZE: f32 = 20.0;
 
 pub struct Board {
-    pub board: Vec<Vec<u8>>,
-    pub row: u8,
-    pub col: u8,
+    pub board: Vec<Vec<(u8, u8)>>,
+    pub xlen: u8, //could just use .len()
+    pub ylen: u8, //ditto [0].len()
 }
 
-pub fn make_board(r: u8, c: u8) -> Board {
-    let mut init: Vec<Vec<u8>> = vec![vec![0u8; r as usize]; c as usize];
-    for (row, rowa) in init.iter_mut().enumerate() {
-        for (col, item) in rowa.iter_mut().enumerate() {
-            *item = (row + col) as u8 % 8;
+pub fn make_board(xlen: u8, ylen: u8) -> Board {
+    let mut init = vec![vec![(0, 255); xlen as usize]; ylen as usize];
+    for (x, xa) in init.iter_mut().enumerate() {
+        for (y, item) in xa.iter_mut().enumerate() {
+            (*item).0 = (y + x) as u8 % 8;
         }
     }
     Board {
         board: init,
-        row: r,
-        col: c,
+        xlen,
+        ylen,
     }
 }
 
@@ -27,11 +27,11 @@ impl Board {
         //First, normalise to within the grid.
         let mut x = x;
         x = x.max(START_X);
-        x = x.min(START_X + (BOARD_SQUARE_SIZE * f32::from(self.col)) - 1.0);
+        x = x.min(START_X + (BOARD_SQUARE_SIZE * f32::from(self.xlen)) - 1.0);
 
         let mut y = y;
         y = y.max(START_Y);
-        y = y.min(START_Y + (BOARD_SQUARE_SIZE * f32::from(self.row)) - 1.0);
+        y = y.min(START_Y + (BOARD_SQUARE_SIZE * f32::from(self.ylen)) - 1.0);
 
         //Then, remove the start x and y
         x -= START_X;