-decent starting point, but centering does not seem to be working

1 files changed, 61 insertions, 0 deletions

diff --git a/src/view.rs b/src/view.rs
new file mode 100644
index 0000000..51a052b
--- /dev/null
+++ b/src/view.rs
@@ -0,0 +1,61 @@
+extern crate pancurses;
+
+use character::Character;
+
+pub struct View{
+	width: 		    i32,
+	height: 	    i32,
+    row:            i32,
+    col:            i32,
+	window:		    pancurses::Window,
+}
+
+impl View{
+    pub fn new((x,y) : (i32, i32), map_window : &pancurses::Window) -> View {
+        let window = map_window.derwin(x,y,0,0).expect("help");
+        View{
+            width : 	    x,
+            height : 	    y,
+            row :           0,
+            col :           0, 
+            window:		    window,
+        }
+    }
+
+    pub fn center(&mut self, character : Character, (hh, ww) : (i32,i32)) {
+        let mut rr = self.row;
+        let mut cc = self.col;
+        let r = character.location.x - self.height/2;
+        let c = character.location.y - self.width/2;
+        
+        if c + self.width >= ww {
+            let delta = ww - (c + self.width);
+            cc = c + delta;
+        }
+        else {
+            cc = c;
+        }
+
+        if r + self.height >= hh {
+            let delta = hh - (r + self.height);
+            rr = r + delta;
+        }
+        else {
+            rr = r;
+        }
+
+        if r < 0 {
+            rr = 0;
+        }
+
+        if c < 0 {
+            cc = 0;
+        }
+        
+        self.window.refresh();
+        self.window.mv(rr, cc);
+        self.row = rr;
+        self.col = cc;
+        self.window.refresh();
+    }
+}