first visible tiles in light client

1 files changed, 35 insertions, 1 deletions

diff --git a/light-client/src/game.rs b/light-client/src/game.rs
index fd045f53..e432c517 100644
--- a/light-client/src/game.rs
+++ b/light-client/src/game.rs
@@ -1,4 +1,38 @@
+use crate::atlas::SpriteRenderer;
+use hurrycurry_protocol::{glam::IVec2, PacketC, TileIndex};
+use std::collections::HashMap;
 
 pub struct Game {
-    
+    tiles: HashMap<IVec2, TileIndex>,
+}
+
+impl Game {
+    pub fn new() -> Self {
+        Self {
+            tiles: HashMap::new(),
+        }
+    }
+
+    pub fn packet_in(&mut self, packet: PacketC) {
+        match packet {
+            PacketC::UpdateMap {
+                tile,
+                kind,
+                neighbors: _,
+            } => {
+                if let Some(kind) = kind {
+                    self.tiles.insert(tile, kind);
+                } else {
+                    self.tiles.remove(&tile);
+                }
+            }
+            _ => (),
+        }
+    }
+
+    pub fn render(&self, ctx: &mut SpriteRenderer) {
+        for (p, tile) in &self.tiles {
+            ctx.draw_tile(*tile, *p)
+        }
+    }
 }