Added math operations to vec2 type

Added methods for getting attributes of cells mutably

Author: EmeraldPandaTurtle

.envrc

@@ -0,0 +1,7 @@
+export DIRENV_WARN_TIMEOUT=20s
+
+eval "$(devenv direnvrc)"
+
+# The use_devenv function supports passing flags to the devenv command
+# For example: use devenv --impure --option services.postgres.enable:bool true
+use devenv

.gitignore

@@ -1 +1,11 @@
 /target
+
+# Devenv
+.devenv*
+devenv.local.nix
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml

devenv.lock

@@ -0,0 +1,103 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1749934215,
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "0ad2d684f722b41578b34670428161d996382e64",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1747046372,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "git-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749636823,
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "623c56286de5a3193aa38891a6991b28f9bab056",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "git-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1746807397,
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "c5208b594838ea8e6cca5997fbf784b7cca1ca90",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "git-hooks": "git-hooks",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": [
+          "git-hooks"
+        ]
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

devenv.nix

@@ -0,0 +1,9 @@
+{
+  pkgs,
+  lib,
+  config,
+  inputs,
+  ...
+}: {
+  languages.rust.enable = true;
+}

devenv.yaml

@@ -0,0 +1,15 @@
+# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
+inputs:
+  nixpkgs:
+    url: github:cachix/devenv-nixpkgs/rolling
+
+# If you're using non-OSS software, you can set allowUnfree to true.
+# allowUnfree: true
+
+# If you're willing to use a package that's vulnerable
+# permittedInsecurePackages:
+#  - "openssl-1.1.1w"
+
+# If you have more than one devenv you can merge them
+#imports:
+# - ./backend

src/math.rs

@@ -1,3 +1,5 @@
+use std::ops::{Add, AddAssign, Sub, SubAssign};
+
 /// A 2d Vector that has no math, is only used as a pretty version of a tuple of u16s
 /// Can be made from (u16, u16).
 /// Using a single u16.into() will create a vec2 where both values are the same.
@@ -19,6 +21,42 @@ impl From<u16> for Vec2 {
     }
 }
 
+impl<V: Into<Vec2>> Add<V> for Vec2 {
+    type Output = Vec2;
+    fn add(mut self, rhs: V) -> Self::Output {
+        let rhs = rhs.into();
+        self.x += rhs.x;
+        self.y += rhs.y;
+        self
+    }
+}
+
+impl<V: Into<Vec2>> AddAssign<V> for Vec2 {
+    fn add_assign(&mut self, rhs: V) {
+        let rhs = rhs.into();
+        self.x += rhs.x;
+        self.y += rhs.y;
+    }
+}
+
+impl<V: Into<Vec2>> Sub<V> for Vec2 {
+    type Output = Vec2;
+    fn sub(mut self, rhs: V) -> Self::Output {
+        let rhs = rhs.into();
+        self.x -= rhs.x;
+        self.y -= rhs.y;
+        self
+    }
+}
+
+impl<V: Into<Vec2>> SubAssign<V> for Vec2 {
+    fn sub_assign(&mut self, rhs: V) {
+        let rhs = rhs.into();
+        self.x -= rhs.x;
+        self.y -= rhs.y;
+    }
+}
+
 /// Creates a Vec2 from the given inputs.
 pub fn vec2(x: u16, y: u16) -> Vec2 {
     Vec2 { x, y }

src/renderer/cell.rs

@@ -53,9 +53,17 @@ impl Cell {
         &self.text
     }
 
+    pub fn text_mut(&mut self) -> &mut CompactString {
+        &mut self.text
+    }
+
     pub fn style(&self) -> &ContentStyle {
         &self.style
     }
+
+    pub fn style_mut(&mut self) -> &mut ContentStyle {
+        &mut self.style
+    }
 }
 
 impl Render for Cell {