fixup

src/terrain_3d_material.cpp

@@ -195,11 +195,11 @@ String Terrain3DMaterial::_inject_editor_code(const String &p_shader) const {
 
 	// Insert at the end of the shader, before the end of `fragment(){ }`
 	// Check for each nested {} pair until the closing } is found.
-	regex->compile("void\\s+fragment\\s*\\(");
+	regex->compile("void\\s*fragment\\s*\\(\\s*\\)\\s*{");
 	match = regex->search(shader);
 	idx = -1;
 	if (match.is_valid()) {
-		int start_idx = shader.find("{", match->get_start());
+		int start_idx = match->get_end() - 1;
 		int pair = 0;
 		for (int i = start_idx; i < shader.length(); i++) {
 			if (shader[i] == '{') {
@@ -274,7 +274,7 @@ String Terrain3DMaterial::_inject_editor_code(const String &p_shader) const {
 	}
 	for (int i = 0; i < insert_names.size(); i++) {
 		String insert = _shader_code[insert_names[i]];
-		shader = shader.insert(idx - 1, "\n" + insert);
+		shader = shader.insert(idx, "\n" + insert);
 		idx += insert.length();
 	}
 	return shader;