diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000000..cdc9c261c4
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,26 @@
+name: Lint
+
+on:
+  pull_request:
+    branches: [master]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup submodule
+        run: |
+          git submodule update --init --recursive
+      - name: Setup .NET Core
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: 8.0.100
+      - name: Setup Resharper
+        run: dotnet tool install -g JetBrains.ReSharper.GlobalTools
+      - name: Run Linter
+        run: jb inspectcode OpenDream.sln -o="output.json" --project="OpenDream*;DM*" --no-swea
+      - uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: output.json
diff --git a/DMCompiler/DMStandard/Defines.dm b/DMCompiler/DMStandard/Defines.dm
index 392848ee14..77ee139dd7 100644
--- a/DMCompiler/DMStandard/Defines.dm
+++ b/DMCompiler/DMStandard/Defines.dm
@@ -31,12 +31,27 @@
 #define NEUTER "neuter"
 #define PLURAL "plural"
 
+//animate() flags arg
 #define ANIMATION_END_NOW 1
 #define ANIMATION_LINEAR_TRANSFORM 2
 #define ANIMATION_PARALLEL 4
+#define ANIMATION_SLICE 8
+#define ANIMATION_RELATIVE 256
+#define ANIMATION_CONTINUE 512
+
+//animate() easing arg
+#define LINEAR_EASING	0
+#define SINE_EASING		1
+#define CIRCULAR_EASING	2
+#define CUBIC_EASING	3
+#define BOUNCE_EASING	4
+#define ELASTIC_EASING	5
+#define BACK_EASING		6
+#define QUAD_EASING		7
+#define JUMP_EASING		8
+//flags applied to the animate() easing arg
 #define EASE_IN 64
 #define EASE_OUT 128
-#define ANIMATION_RELATIVE 256
 
 #define NO_STEPS 0
 #define FORWARD_STEPS 1
@@ -123,17 +138,6 @@
 #define PASS_MOUSE 		(1<<10)
 #define TILE_MOVER		(1<<11)
 
-//animate() easing arg
-#define LINEAR_EASING	0
-#define SINE_EASING		1
-#define CIRCULAR_EASING	2
-#define CUBIC_EASING	3
-#define BOUNCE_EASING	4
-#define ELASTIC_EASING	5
-#define BACK_EASING		6
-#define QUAD_EASING		7
-#define JUMP_EASING		8
-
 //Undocumented matrix defines (see https://www.byond.com/forum/post/1881375)
 #define MATRIX_COPY 0
 #define MATRIX_MULTIPLY 1 // idk why this is first, either