1 files changed, 53 insertions, 0 deletions
diff --git a/src/client/cli/cmd/edit.rs b/src/client/cli/cmd/edit.rs
new file mode 100644
index 0000000..1cfb530
--- /dev/null
+++ b/src/client/cli/cmd/edit.rs
@@ -0,0 +1,53 @@
+//! Replace the contents of the currently edited map with contents from a file.
+
+use super::Command;
+use super::{CmdParseError, FromArgs};
+use crate::client::Editor;
+use crate::net::Cargo;
+use crate::world::World;
+use std::path::PathBuf;
+
+/// Command to load a file from the disk and replace the current editor contents with it's info.
+pub struct Edit {
+    file: PathBuf,
+}
+
+impl FromArgs for Edit {
+    fn from_args(args: &[&str]) -> Result<Self, CmdParseError> {
+        if args.len() != 1 {
+            return Err(CmdParseError::WrongNumberOfArgs(args.len(), 1..=1));
+        }
+
+        Ok(Self {
+            file: PathBuf::from(args[0]),
+        })
+    }
+}
+
+impl Command for Edit {
+    fn process(&self, editor: &mut Editor) -> Result<String, String> {
+        let world = match World::load_from_file(&self.file) {
+            Ok(world) => world,
+            Err(err) => {
+                return Err(format!(
+                    "Unable to read file: {:?}, reason: {:?}",
+                    &self.file, err
+                ))
+            }
+        };
+
+        // Clear all data from the world, afterwards add all components from the file.
+        editor.server().send(Cargo::ClearAll);
+        for (_, icon) in world.icons().iter() {
+            editor.server().send(Cargo::AddIcon(icon.clone()));
+        }
+        for (_, room) in world.rooms().iter() {
+            editor.server().send(Cargo::AddRoom(room.clone()));
+        }
+        for (_, wall) in world.walls().iter() {
+            editor.server().send(Cargo::AddWall(wall.clone()));
+        }
+
+        Ok(format!("Map data from {:?} loaded.", &self.file))
+    }
+}