added camera struct, moved map drawing to map struct, now draws a character that moves

1 files changed, 23 insertions, 0 deletions

diff --git a/src/map.rs b/src/map.rs
index ed90f1a..23833ab 100644
--- a/src/map.rs
+++ b/src/map.rs
@@ -1,7 +1,12 @@
 use ggez::filesystem::File;
+use ggez::graphics::{spritebatch::SpriteBatch, DrawParam};
+use ggez::nalgebra::{Point2, Vector2};
 use std::io::BufReader;
 use xml::reader::{EventReader, XmlEvent};
 
+use crate::constants;
+use crate::tileset::Tileset;
+
 pub struct Map {
     pub width: usize,
     pub height: usize,
@@ -39,6 +44,24 @@ impl Map {
             height: height.unwrap(),
         }
     }
+
+    pub fn draw(&mut self, spritebatch: &mut SpriteBatch, tileset: &Tileset) {
+        for layer in self.layers.iter() {
+            for x in 0..self.width {
+                for y in 0..self.height {
+                    let draw_param = DrawParam::default()
+                        .src(tileset.tiles[layer.data[x + (y * self.height)]])
+                        .dest(Point2::new(
+                            tileset.tile_width * constants::TILE_SCALE * x as f32,
+                            tileset.tile_height * constants::TILE_SCALE * y as f32,
+                        ))
+                        .scale(Vector2::new(constants::TILE_SCALE, constants::TILE_SCALE));
+
+                    spritebatch.add(draw_param);
+                }
+            }
+        }
+    }
 }
 
 pub struct Layer {