patch

src/material/mod.rs

@@ -5,6 +5,7 @@ mod worldvertextransition;
 
 pub use lightmappedgeneric::LightMappedGenericMaterial;
 use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
 pub use unlitgeneric::UnlitGenericMaterial;
 pub use water::WaterMaterial;
 pub use worldvertextransition::WorldVertexTransitionMaterial;
@@ -19,4 +20,12 @@ pub enum Material {
     Water(WaterMaterial),
     #[serde(rename = "worldvertextransition")]
     WorldVertexTransition(WorldVertexTransitionMaterial),
+    #[serde(rename = "patch")]
+    Patch(PatchMaterial),
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct PatchMaterial {
+    include: String,
+    replace: HashMap<String, String>,
 }

tests/data/patch.vmt

@@ -0,0 +1,8 @@
+"patch"
+{
+	"include"		"materials/glass/glasswindow001a.vmt"
+	"replace"
+	{
+		"$envmap"		"maps/koth_bagel_rc2a/c1920_704_41"
+	}
+}

tests/parse.rs

@@ -7,6 +7,7 @@ use vmt_parser::from_str;
 #[test_case("tests/data/mvm_backpack.vmt")]
 #[test_case("tests/data/water_murky.vmt")]
 #[test_case("tests/data/blendrocktograss002.vmt")]
+#[test_case("tests/data/patch.vmt")]
 fn test_serde(path: &str) {
     let raw = read_to_string(path).unwrap();
     match from_str(&raw) {

tests/snapshots/parse__tests__data__patch.vmt.snap

@@ -0,0 +1,10 @@
+---
+source: tests/parse.rs
+expression: result
+---
+patch(PatchMaterial(
+  include: "materials/glass/glasswindow001a.vmt",
+  replace: {
+    "$envmap": "maps/koth_bagel_rc2a/c1920_704_41",
+  },
+))