From 0438244915f9116237cc706e5e80ecedfbc7d591 Mon Sep 17 00:00:00 2001
From: tom barrett <spalf0@gmail.com>
Date: Fri, 21 Jun 2019 12:00:24 -0500
Subject: cannot leave map boundry

---
 src/player.rs | 27 ++++++++++++++++++++-------
 src/state.rs  |  2 +-
 2 files changed, 21 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/player.rs b/src/player.rs
index 0350656..bc019b9 100644
--- a/src/player.rs
+++ b/src/player.rs
@@ -13,10 +13,12 @@ pub struct Player {
     tile: Rect,
     animation: Vec<(u32, Rect)>,
     animations: HashMap<PlayerState, Vec<(u32, Rect)>>,
+    map_height: f32,
+    map_width: f32,
 }
 
 impl Player {
-    pub fn new() -> Player {
+    pub fn new(dimensions: (f32, f32)) -> Player {
         let mut animations = HashMap::new();
 
         let mut idle = Vec::new();
@@ -36,6 +38,8 @@ impl Player {
             tile: Rect::zero(),
             animation: Vec::new(),
             animations,
+            map_width: dimensions.0,
+            map_height: dimensions.1,
         }
     }
 
@@ -77,6 +81,21 @@ impl Player {
             PlayerState::MovingRight => self.position.x += constants::PLAYER_SPEED,
             PlayerState::Idle => (),
         }
+
+        let pixel_width = constants::TILE_WIDTH * constants::TILE_SCALE;
+        let pixel_height = constants::TILE_HEIGHT * constants::TILE_SCALE;
+
+        if self.position.x < 0.0 {
+            self.position.x = 0.0;
+        } else if self.position.x + pixel_height > self.map_width {
+            self.position.x = self.map_width - pixel_width;
+        }
+
+        if self.position.y < 0.0 {
+            self.position.y = 0.0;
+        } else if self.position.y + pixel_height > self.map_height {
+            self.position.y = self.map_height - pixel_height;
+        }
     }
 
     fn find_tile(&mut self, context: &mut Context) {
@@ -160,12 +179,6 @@ impl Player {
     }
 }
 
-impl Default for Player {
-    fn default() -> Self {
-        Player::new()
-    }
-}
-
 #[derive(Clone, Hash, Eq, PartialEq)]
 enum PlayerState {
     Idle,
diff --git a/src/state.rs b/src/state.rs
index 4962c39..b0a497c 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -28,7 +28,7 @@ impl State {
             tileset: Tileset::new(filesystem::open(context, "/tileset.tsx")?),
             spritebatch: SpriteBatch::new(image),
             camera: Camera::new(context, map_dimensions),
-            player: Player::new(),
+            player: Player::new(map_dimensions),
         })
     }
 }
-- 
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