Merge pull request #24 from Spartan322/4.3-merge/dcd0842

[4.3] Merge commit godotengine/godot-cpp@dcd0842

Author: Spartan322

binding_generator.py

@@ -278,14 +278,19 @@ def generate_bindings(api_filepath, use_template_get_node, bits="64", precision=
     api = {}
     with open(api_filepath, encoding="utf-8") as api_file:
         api = json.load(api_file)
-    _generate_bindings(api, use_template_get_node, bits, precision, output_dir)
+    _generate_bindings(api, api_filepath, use_template_get_node, bits, precision, output_dir)
 
 
-def _generate_bindings(api, use_template_get_node, bits="64", precision="single", output_dir="."):
+def _generate_bindings(api, api_filepath, use_template_get_node, bits="64", precision="single", output_dir="."):
+    if "precision" in api["header"] and precision != api["header"]["precision"]:
+        raise Exception(
+            f"Cannot do a precision={precision} build using '{api_filepath}' which was generated by Godot built with precision={api['header']['precision']}"
+        )
+
     target_dir = Path(output_dir) / "gen"
 
     shutil.rmtree(target_dir, ignore_errors=True)
-    target_dir.mkdir(parents=True)
+    target_dir.mkdir(parents=True, exist_ok=True)
 
     real_t = "double" if precision == "double" else "float"
     print("Built-in type config: " + real_t + "_" + bits)

include/godot_cpp/core/defs.hpp

@@ -76,10 +76,6 @@ namespace godot {
 #endif
 #endif
 
-#ifndef _NO_DISCARD_
-#define _NO_DISCARD_ [[nodiscard]]
-#endif
-
 // Windows badly defines a lot of stuff we'll never use. Undefine it.
 #ifdef _WIN32
 #undef min // override standard definition

include/godot_cpp/variant/aabb.hpp

@@ -45,7 +45,7 @@ namespace godot {
 
 class Variant;
 
-struct _NO_DISCARD_ AABB {
+struct [[nodiscard]] AABB {
 	Vector3 position;
 	Vector3 size;
 

include/godot_cpp/variant/basis.hpp

@@ -39,7 +39,7 @@
 
 namespace godot {
 
-struct _NO_DISCARD_ Basis {
+struct [[nodiscard]] Basis {
 	Vector3 rows[3] = {
 		Vector3(1, 0, 0),
 		Vector3(0, 1, 0),

include/godot_cpp/variant/color.hpp

@@ -39,7 +39,7 @@ namespace godot {
 
 class String;
 
-struct _NO_DISCARD_ Color {
+struct [[nodiscard]] Color {
 	union {
 		struct {
 			float r;

include/godot_cpp/variant/plane.hpp

@@ -40,7 +40,7 @@ namespace godot {
 
 class Variant;
 
-struct _NO_DISCARD_ Plane {
+struct [[nodiscard]] Plane {
 	Vector3 normal;
 	real_t d = 0;
 

include/godot_cpp/variant/projection.hpp

@@ -46,7 +46,7 @@ struct Rect2;
 struct Transform3D;
 struct Vector2;
 
-struct _NO_DISCARD_ Projection {
+struct [[nodiscard]] Projection {
 	enum Planes {
 		PLANE_NEAR,
 		PLANE_FAR,

include/godot_cpp/variant/quaternion.hpp

@@ -39,7 +39,7 @@
 
 namespace godot {
 
-struct _NO_DISCARD_ Quaternion {
+struct [[nodiscard]] Quaternion {
 	union {
 		struct {
 			real_t x;

include/godot_cpp/variant/rect2.hpp

@@ -42,7 +42,7 @@ class String;
 struct Rect2i;
 struct Transform2D;
 
-struct _NO_DISCARD_ Rect2 {
+struct [[nodiscard]] Rect2 {
 	Point2 position;
 	Size2 size;
 

include/godot_cpp/variant/rect2i.hpp

@@ -41,7 +41,7 @@ namespace godot {
 class String;
 struct Rect2;
 
-struct _NO_DISCARD_ Rect2i {
+struct [[nodiscard]] Rect2i {
 	Point2i position;
 	Size2i size;