Multiple small fixes

- Foreign functions can now have names for parameters
- Fix property renaming crash
- Properly output texture sampling calls

Codegen.jai

@@ -80,18 +80,40 @@ emit_block :: (state : *Codegen_State, node : *AST_Node, indentation : int) {
 
 emit_call :: (state : *Codegen_State, node : *AST_Node, indentation : int) {
 	indent(state, indentation);
-	print_to_builder(*state.builder, "%(", node.name);
 
-	if node.children.count > 0 {
+	if node.name == "sample" {
+		assert(node.children.count > 0);
 		args := node.children[0];
 
-		for child : args.children {
+		emit_node(state, args.children[0], 0);
+		append(*state.builder, ".");
+		print_to_builder(*state.builder, "%(", node.name);
+
+		for i : 1..args.children.count - 1 {
+			child := args.children[i];
+
 			emit_node(state, child, 0);
 			
-			if it_index != args.children.count - 1 {
+			if i != args.children.count - 1 {
 				append(*state.builder, ", ");
 			}
 		}
+		
+	} else {
+		print_to_builder(*state.builder, "%(", node.name);
+		
+		if node.children.count > 0 {
+			args := node.children[0];
+
+			for child : args.children {
+				emit_node(state, child, 0);
+				
+				if it_index != args.children.count - 1 {
+					append(*state.builder, ", ");
+				}
+			}
+		}
+
 	}
 	
 	append(*state.builder, ")");