Added strafing

src/input/dummy_player_controller.rs

@@ -64,6 +64,10 @@ impl PlayerController for DummyPlayerController {
         false
     }
 
+    fn strafe(&self) -> bool {
+        false
+    }
+
     fn trigger_up(&self) -> bool {
         false
     }
@@ -108,6 +112,10 @@ impl PlayerController for DummyPlayerController {
         false
     }
 
+    fn trigger_strafe(&self) -> bool {
+        false
+    }
+
     fn trigger_menu_ok(&self) -> bool {
         false
     }

src/input/keyboard_player_controller.rs

@@ -1,11 +1,11 @@
 use crate::bitfield;
-use crate::input::player_controller::PlayerController;
-use crate::player::TargetPlayer;
-use crate::shared_game_state::SharedGameState;
 use crate::framework::context::Context;
 use crate::framework::error::GameResult;
 use crate::framework::keyboard;
 use crate::framework::keyboard::ScanCode;
+use crate::input::player_controller::PlayerController;
+use crate::player::TargetPlayer;
+use crate::shared_game_state::SharedGameState;
 
 bitfield! {
   #[derive(Clone, Copy)]
@@ -25,6 +25,7 @@ bitfield! {
   pub escape, set_escape: 10;
   pub enter, set_enter: 11;
   pub skip, set_skip: 12;
+  pub strafe, set_strafe: 13;
 }
 
 #[derive(Clone)]
@@ -37,12 +38,7 @@ pub struct KeyboardController {
 
 impl KeyboardController {
     pub fn new(target: TargetPlayer) -> KeyboardController {
-        KeyboardController {
-            target,
-            state: KeyState(0),
-            old_state: KeyState(0),
-            trigger: KeyState(0),
-        }
+        KeyboardController { target, state: KeyState(0), old_state: KeyState(0), trigger: KeyState(0) }
     }
 }
 
@@ -66,6 +62,7 @@ impl PlayerController for KeyboardController {
         self.state.set_next_weapon(keyboard::is_key_pressed(ctx, keymap.next_weapon));
         self.state.set_enter(keyboard::is_key_pressed(ctx, ScanCode::Return));
         self.state.set_escape(keyboard::is_key_pressed(ctx, ScanCode::Escape));
+        self.state.set_strafe(keyboard::is_key_pressed(ctx, keymap.strafe));
 
         Ok(())
     }
@@ -121,6 +118,10 @@ impl PlayerController for KeyboardController {
         self.state.skip()
     }
 
+    fn strafe(&self) -> bool {
+        self.state.strafe()
+    }
+
     fn trigger_up(&self) -> bool {
         self.trigger.up()
     }
@@ -165,6 +166,10 @@ impl PlayerController for KeyboardController {
         self.trigger.skip()
     }
 
+    fn trigger_strafe(&self) -> bool {
+        self.trigger.strafe()
+    }
+
     fn trigger_menu_ok(&self) -> bool {
         self.trigger.jump() || self.trigger.enter()
     }

src/input/player_controller.rs

@@ -41,6 +41,9 @@ pub trait PlayerController: PlayerControllerClone {
     /// True if "skip" button is down.
     fn skip(&self) -> bool;
 
+    /// True if "strafe" button is down.
+    fn strafe(&self) -> bool;
+
     fn trigger_up(&self) -> bool;
 
     fn trigger_left(&self) -> bool;
@@ -63,6 +66,8 @@ pub trait PlayerController: PlayerControllerClone {
 
     fn trigger_skip(&self) -> bool;
 
+    fn trigger_strafe(&self) -> bool;
+
     fn trigger_menu_ok(&self) -> bool;
 
     fn trigger_menu_back(&self) -> bool;

src/input/touch_player_controller.rs

@@ -278,6 +278,11 @@ impl PlayerController for TouchPlayerController {
         false
     }
 
+    fn strafe(&self) -> bool {
+        // TODO
+        false
+    }
+
     fn trigger_up(&self) -> bool {
         self.trigger.up()
     }
@@ -323,6 +328,11 @@ impl PlayerController for TouchPlayerController {
         false
     }
 
+    fn trigger_strafe(&self) -> bool {
+        // TODO
+        false
+    }
+
     fn trigger_menu_ok(&self) -> bool {
         self.trigger.jump()
     }

src/player/mod.rs

@@ -86,6 +86,7 @@ pub struct Player {
     pub skin: Box<dyn PlayerSkin>,
     pub controller: Box<dyn PlayerController>,
     pub popup: NumberPopup,
+    strafe_up: bool,
     weapon_offset_y: i8,
     splash: bool,
     tick: u8,
@@ -141,6 +142,7 @@ impl Player {
             skin,
             controller: Box::new(DummyPlayerController::new()),
             popup: NumberPopup::new(),
+            strafe_up: false,
             damage_counter: 0,
             damage_taken: 0,
             anim_num: 0,
@@ -202,6 +204,16 @@ impl Player {
             self.booster_switch = BoosterSwitch::None;
         }
 
+        if state.control_flags.control_enabled() {
+            if self.controller.move_up() && self.controller.trigger_strafe() {
+                self.strafe_up = true;
+            } else if !self.controller.strafe() {
+                self.strafe_up = false;
+            }
+        } else {
+            self.strafe_up = false;
+        }
+
         // ground movement
         if self.flags.hit_bottom_wall() || self.flags.hit_right_slope() || self.flags.hit_left_slope() {
             self.booster_switch = BoosterSwitch::None;
@@ -241,12 +253,14 @@ impl Player {
                         self.vel_x += physics.dash_ground;
                     }
 
-                    if self.controller.move_left() {
-                        self.direction = Direction::Left;
-                    }
+                    if !self.controller.strafe() {
+                        if self.controller.move_left() {
+                            self.direction = Direction::Left;
+                        }
 
-                    if self.controller.move_right() {
-                        self.direction = Direction::Right;
+                        if self.controller.move_right() {
+                            self.direction = Direction::Right;
+                        }
                     }
                 }
             }
@@ -310,12 +324,14 @@ impl Player {
                     self.vel_x += physics.dash_air;
                 }
 
-                if self.controller.look_left() {
-                    self.direction = Direction::Left;
-                }
+                if !self.controller.strafe() {
+                    if self.controller.look_left() {
+                        self.direction = Direction::Left;
+                    }
 
-                if self.controller.look_right() {
-                    self.direction = Direction::Right;
+                    if self.controller.look_right() {
+                        self.direction = Direction::Right;
+                    }
                 }
             }
 
@@ -337,7 +353,7 @@ impl Player {
 
         // jumping
         if state.control_flags.control_enabled() {
-            self.up = self.controller.move_up();
+            self.up = self.controller.move_up() || self.strafe_up;
             self.down = self.controller.move_down() && !self.flags.hit_bottom_wall();
 
             if self.controller.trigger_jump()
@@ -674,7 +690,7 @@ impl Player {
                 self.anim_num = 0;
                 self.anim_counter = 0;
             } else if state.control_flags.control_enabled()
-                && self.controller.move_up()
+                && (self.controller.move_up() || self.strafe_up)
                 && (self.controller.move_left() || self.controller.move_right())
             {
                 self.cond.set_fallen(true);
@@ -712,7 +728,7 @@ impl Player {
                 if self.anim_num > 4 || self.anim_num < 1 {
                     self.anim_num = 1;
                 }
-            } else if state.control_flags.control_enabled() && self.controller.move_up() {
+            } else if state.control_flags.control_enabled() && (self.controller.move_up() || self.strafe_up) {
                 if self.cond.fallen() {
                     state.sound_manager.play_sfx(24);
                 }
@@ -731,7 +747,7 @@ impl Player {
                 self.anim_num = 0;
                 self.anim_counter = 0;
             }
-        } else if self.controller.look_up() && self.control_mode == ControlMode::Normal {
+        } else if (self.controller.look_up() || self.strafe_up) && self.control_mode == ControlMode::Normal {
             self.skin.set_state(PlayerAnimationState::FallingLookingUp);
             self.anim_num = 0;
             self.anim_counter = 0;

src/settings.rs

@@ -54,7 +54,7 @@ fn default_true() -> bool {
 
 #[inline(always)]
 fn current_version() -> u32 {
-    5
+    6
 }
 
 #[inline(always)]
@@ -108,6 +108,12 @@ impl Settings {
             self.sfx_volume = default_vol();
         }
 
+        if self.version == 5 {
+            self.version = 6;
+            self.player1_key_map.strafe = ScanCode::LShift;
+            self.player2_key_map.strafe = ScanCode::RShift;
+        }
+
         if self.version != initial_version {
             log::info!("Upgraded configuration file from version {} to {}.", initial_version, self.version);
         }
@@ -175,6 +181,7 @@ pub struct PlayerKeyMap {
     pub skip: ScanCode,
     pub inventory: ScanCode,
     pub map: ScanCode,
+    pub strafe: ScanCode,
 }
 
 #[inline(always)]
@@ -191,6 +198,7 @@ fn p1_default_keymap() -> PlayerKeyMap {
         skip: ScanCode::E,
         inventory: ScanCode::Q,
         map: ScanCode::W,
+        strafe: ScanCode::LShift,
     }
 }
 
@@ -208,5 +216,6 @@ fn p2_default_keymap() -> PlayerKeyMap {
         skip: ScanCode::U,
         inventory: ScanCode::T,
         map: ScanCode::Y,
+        strafe: ScanCode::RShift,
     }
 }