From 6ee58224c1f6c50ab0e76f20fff81d41c680a8cf Mon Sep 17 00:00:00 2001
From: Max Bradbury <max@tinybird.info>
Date: Wed, 24 Jun 2020 12:58:02 +0100
Subject: [PATCH] "add palette" functions

---
 src/game.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/game.rs b/src/game.rs
index e0386de..64616c8 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -360,6 +360,11 @@ impl ToString for Game {
 impl Game {
     // todo dedupe
 
+    #[inline]
+    pub fn palette_ids(&self) -> Vec<String> {
+        self.palettes.iter().map(|palette| palette.id.clone()).collect()
+    }
+
     #[inline]
     pub fn tile_ids(&self) -> Vec<String> {
         self.tiles.iter().map(|tile| tile.id.clone()).collect()
@@ -382,6 +387,10 @@ impl Game {
 
     // todo dedupe?
 
+    pub fn new_palette_id(&self) -> String {
+        new_unique_id(self.palette_ids())
+    }
+
     /// first available tile ID.
     /// e.g. if current tile IDs are [0, 2, 3] the result will be `1`
     ///      if current tile IDs are [0, 1, 2] the result will be `3`
@@ -405,6 +414,15 @@ impl Game {
         new_unique_id(self.item_ids())
     }
 
+    /// adds a palette safely and returns the new palette ID
+    #[inline]
+    pub fn add_palette(&mut self, mut palette: Palette) -> String {
+        let new_id = self.new_palette_id();
+        palette.id = new_id.clone();
+        self.palettes.push(palette);
+        new_id
+    }
+
     /// adds a tile safely and returns the new tile ID
     #[inline]
     pub fn add_tile(&mut self, mut tile: Tile) -> String {