From e895f932a67b1809ddc97bffc393dee90e9bf105 Mon Sep 17 00:00:00 2001
From: Max Bradbury <max@tinybird.info>
Date: Thu, 18 Jun 2020 13:56:50 +0100
Subject: [PATCH] skeleton stuff

---
 src/game.rs | 39 +++++++++++++++++++++++++++++++++++++++
 src/lib.rs  |  6 ++++++
 2 files changed, 45 insertions(+)

diff --git a/src/game.rs b/src/game.rs
index 3bbebb6..83f9ab7 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -187,6 +187,7 @@ impl Game {
             }
         }
 
+        // todo return a custom error instead
         assert!(avatar.is_some());
         let avatar = avatar.unwrap();
 
@@ -213,6 +214,43 @@ impl Game {
             }
         )
     }
+
+    pub fn merge(game: Game) {
+        // ignore title, version, room format, room type, font, text direction
+
+        // maybe we need hashmaps of old->new IDs, for each type of ID?
+        // we need functions for "add sprite" etc. that return the newly generated valid ID
+
+        // for each new palette:
+        //     check if a matching palette exists
+        //         if yes, replace any room palette IDs with the extant palette ID
+        //     check if palette ID clashes with an existing palette ID
+        //     check if palette name clashes and if so, give a new name ("[name] 2" or something)
+
+        // for each tile:
+        //     check if a matching tile exists
+        //         if yes, replace room tile IDs with that of the extant tile
+        //         if no, give a new unique tile ID and change room tile IDs to this
+
+        // ignore avatar (maybe convert to normal sprite instead?)
+
+        // for each item
+
+        // for each dialogue item
+
+        // for each ending
+
+        // for each variable
+
+        // for each room
+        //     give room a new unique ID
+        //     check room name - if duplicate, append "2" or something?
+        //     convert tile/item IDs to new ones
+        //     add room to game
+
+        // for each sprite
+        //
+    }
 }
 
 impl ToString for Game {
@@ -293,6 +331,7 @@ impl Game {
     /// 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`
+    /// todo this needs to be a generic function that takes a vec of string IDs and returns a new base64 string ID
     #[inline]
     pub fn new_tile_id(&self) -> u64 {
         let mut new_id = 0;
diff --git a/src/lib.rs b/src/lib.rs
index de5ebc2..805ec41 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -156,6 +156,12 @@ fn is_string_numeric(str: String) -> bool {
     return true;
 }
 
+/// e.g. pass all tile IDs into this to get a new non-conflicting tile ID
+#[inline]
+fn new_unique_id(ids: Vec<String>) -> String {
+
+}
+
 pub trait Quote {
     fn quote(&self) -> String;
 }