From b4072b110df8886089d807bcd78891430ea7f974 Mon Sep 17 00:00:00 2001
From: tom barrett <spalf0@gmail.com>
Date: Wed, 19 Jun 2019 07:49:33 -0500
Subject: can now move in angles

---
 src/player.rs | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)

(limited to 'src/player.rs')

diff --git a/src/player.rs b/src/player.rs
index 66e7d28..976ab05 100644
--- a/src/player.rs
+++ b/src/player.rs
@@ -1,3 +1,4 @@
+use ggez::event::KeyCode;
 use ggez::graphics::{spritebatch::SpriteBatch, DrawParam};
 use ggez::nalgebra::{Point2, Vector2};
 
@@ -6,12 +7,14 @@ use crate::tileset::Tileset;
 
 pub struct Player {
     pub position: Point2<f32>,
+    state: PlayerState,
 }
 
 impl Player {
     pub fn new() -> Player {
         Player {
             position: Point2::new(0.0, 0.0),
+            state: PlayerState::Idle,
         }
     }
 
@@ -23,4 +26,105 @@ impl Player {
 
         spritebatch.add(draw_param);
     }
+
+    pub fn update(&mut self) {
+        match self.state {
+            PlayerState::MovingUp => self.position.y -= constants::PLAYER_SPEED,
+            PlayerState::MovingUpLeft => {
+                self.position.x -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
+                self.position.y -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
+            }
+            PlayerState::MovingUpRight => {
+                self.position.x += constants::PLAYER_SPEED / 2.0_f32.sqrt();
+                self.position.y -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
+            }
+            PlayerState::MovingLeft => self.position.x -= constants::PLAYER_SPEED,
+            PlayerState::MovingDown => self.position.y += constants::PLAYER_SPEED,
+            PlayerState::MovingDownLeft => {
+                self.position.x -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
+                self.position.y += constants::PLAYER_SPEED / 2.0_f32.sqrt();
+            }
+            PlayerState::MovingDownRight => {
+                self.position.x += constants::PLAYER_SPEED / 2.0_f32.sqrt();
+                self.position.y += constants::PLAYER_SPEED / 2.0_f32.sqrt();
+            }
+            PlayerState::MovingRight => self.position.x += constants::PLAYER_SPEED,
+            PlayerState::Idle => (),
+        }
+    }
+
+    pub fn give_key_down(&mut self, keycode: KeyCode) {
+        let original_state = self.state.clone();
+
+        self.state = match keycode {
+            KeyCode::W => match original_state {
+                PlayerState::MovingLeft => PlayerState::MovingUpLeft,
+                PlayerState::MovingRight => PlayerState::MovingUpRight,
+                _ => PlayerState::MovingUp,
+            },
+            KeyCode::A => match original_state {
+                PlayerState::MovingUp => PlayerState::MovingUpLeft,
+                PlayerState::MovingDown => PlayerState::MovingDownLeft,
+                _ => PlayerState::MovingLeft,
+            },
+            KeyCode::S => match original_state {
+                PlayerState::MovingLeft => PlayerState::MovingDownLeft,
+                PlayerState::MovingRight => PlayerState::MovingDownRight,
+                _ => PlayerState::MovingDown,
+            },
+            KeyCode::D => match original_state {
+                PlayerState::MovingUp => PlayerState::MovingUpRight,
+                PlayerState::MovingDown => PlayerState::MovingDownRight,
+                _ => PlayerState::MovingRight,
+            },
+            _ => original_state,
+        }
+    }
+
+    pub fn give_key_up(&mut self, keycode: KeyCode) {
+        let original_state = self.state.clone();
+
+        self.state = match keycode {
+            KeyCode::W => match original_state {
+                PlayerState::MovingUpLeft => PlayerState::MovingLeft,
+                PlayerState::MovingUpRight => PlayerState::MovingRight,
+                _ => PlayerState::Idle,
+            },
+            KeyCode::A => match original_state {
+                PlayerState::MovingUpLeft => PlayerState::MovingUp,
+                PlayerState::MovingDownLeft => PlayerState::MovingDown,
+                _ => PlayerState::Idle,
+            },
+            KeyCode::S => match original_state {
+                PlayerState::MovingDownLeft => PlayerState::MovingLeft,
+                PlayerState::MovingDownRight => PlayerState::MovingRight,
+                _ => PlayerState::Idle,
+            },
+            KeyCode::D => match original_state {
+                PlayerState::MovingUpRight => PlayerState::MovingUp,
+                PlayerState::MovingDownRight => PlayerState::MovingDown,
+                _ => PlayerState::Idle,
+            },
+            _ => original_state,
+        }
+    }
+}
+
+impl Default for Player {
+    fn default() -> Self {
+        Player::new()
+    }
+}
+
+#[derive(Clone)]
+enum PlayerState {
+    Idle,
+    MovingUp,
+    MovingDown,
+    MovingLeft,
+    MovingRight,
+    MovingUpLeft,
+    MovingUpRight,
+    MovingDownLeft,
+    MovingDownRight,
 }
-- 
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