Basic map rendering

1 files changed, 42 insertions, 0 deletions

diff --git a/src/gfx/media.rs b/src/gfx/media.rs
new file mode 100644
index 0000000..ac5d158
--- /dev/null
+++ b/src/gfx/media.rs
@@ -0,0 +1,42 @@
+use std::collections::HashMap;
+
+#[derive(rust_embed::RustEmbed)]
+#[folder = "assets/textures"]
+pub struct BaseFolder; // copied from github.com/minetest/minetest
+
+pub struct MediaMgr {
+    packs: Vec<HashMap<String, Vec<u8>>>,
+    srv_idx: usize,
+}
+
+impl MediaMgr {
+    pub fn new() -> Self {
+        Self {
+            packs: [
+                BaseFolder::iter()
+                    .map(|file| {
+                        (
+                            file.to_string(),
+                            BaseFolder::get(&file).unwrap().data.into_owned(),
+                        )
+                    })
+                    .collect(),
+                HashMap::new(),
+            ]
+            .into(),
+            srv_idx: 1,
+        }
+    }
+
+    pub fn add_server_media(&mut self, files: HashMap<String, Vec<u8>>) {
+        self.packs[self.srv_idx].extend(files.into_iter());
+    }
+
+    pub fn get(&self, file: &str) -> Option<&[u8]> {
+        self.packs
+            .iter()
+            .rev()
+            .find_map(|pack| pack.get(file))
+            .map(Vec::as_slice)
+    }
+}