Improve presentation

vendor/box2d/box2d.odin

@@ -423,12 +423,12 @@ foreign lib {
 
 // Get proxy user data
 // @return the proxy user data or 0 if the id is invalid
-DynamicTree_GetUserData :: proc "contextless" (tree: DynamicTree, proxyId: i32) -> i32 {
+DynamicTree_GetUserData :: #force_inline proc "contextless" (tree: DynamicTree, proxyId: i32) -> i32 {
 	return tree.nodes[proxyId].userData
 }
 
 // Get the AABB of a proxy
-DynamicTree_GetAABB :: proc "contextless" (tree: DynamicTree, proxyId: i32) -> AABB {
+DynamicTree_GetAABB :: #force_inline proc "contextless" (tree: DynamicTree, proxyId: i32) -> AABB {
 	return tree.nodes[proxyId].aabb
 }
 
@@ -436,7 +436,6 @@ DynamicTree_GetAABB :: proc "contextless" (tree: DynamicTree, proxyId: i32) -> A
 
 @(link_prefix="b2", default_calling_convention="c")
 foreign lib {
-
 	/**
 	 * @defgroup world World
 	 * These functions allow you to create a simulation world.
@@ -575,7 +574,11 @@ foreign lib {
 
 	// Dump memory stats to box2d_memory.txt
 	World_DumpMemoryStats         :: proc(worldId: WorldId) ---
+}
 
+
+@(link_prefix="b2", default_calling_convention="c")
+foreign lib {
 	/**
 	 * @defgroup body Body
 	 * This is the body API.
@@ -583,9 +586,9 @@ foreign lib {
 
 	// Create a rigid body given a definition. No reference to the definition is retained. So you can create the definition
 	//	on the stack and pass it as a pointer.
-	//	@code{.c}
-	//	BodyDef bodyDef = b2DefaultBodyDef();
-	//	BodyId myBodyId = b2CreateBody(myWorldId, &bodyDef);
+	//	@code{.odin}
+	//	body_def := b2.DefaultBodyDef()
+	//	my_body_id =: b2.CreateBody(my_world_id, body_def)
 	//	@endcode
 	// @warning This function is locked during callbacks.
 	CreateBody                      :: proc(worldId: WorldId, #by_ptr def: BodyDef) -> BodyId ---
@@ -998,7 +1001,11 @@ foreign lib {
 	// Get the maximum capacity required for retrieving all the touching contacts on a shape
 	Shape_GetContactCapacity       :: proc(shapeId: ShapeId) -> c.int ---
 
+	// Get the current world AABB
+	Shape_GetAABB                  :: proc(shapeId: ShapeId) -> AABB ---
 
+	// Get the closest point on a shape to a target point. Target and result are in world space.
+	Shape_GetClosestPoint          :: proc(shapeId: ShapeId, target: Vec2) -> Vec2 ---
 }
 
 // Get the touching contact data for a shape. The provided shapeId will be either shapeIdA or shapeIdB on the contact data.
@@ -1012,12 +1019,6 @@ Shape_GetContactData :: proc "c" (shapeId: ShapeId, contactData: []ContactData)
 
 @(link_prefix="b2", default_calling_convention="c")
 foreign lib {
-	// Get the current world AABB
-	Shape_GetAABB :: proc(shapeId: ShapeId) -> AABB ---
-
-	// Get the closest point on a shape to a target point. Target and result are in world space.
-	Shape_GetClosestPoint :: proc(shapeId: ShapeId, target: Vec2) -> Vec2 ---
-
 	// Chain Shape
 
 	// Create a chain shape
@@ -1497,4 +1498,6 @@ IsValid :: proc{
 	Shape_IsValid,
 	Chain_IsValid,
 	Joint_IsValid,
+
+	IsValidRay,
 }

vendor/box2d/collision.odin

@@ -413,7 +413,7 @@ TreeNode :: struct {
 	enlarged: bool, // 1
 
 	// Padding for clarity
-	pad: [9]byte,
+	_: [9]byte,
 }
 
 // The dynamic tree structure. This should be considered private data.

vendor/box2d/id.odin

@@ -1,5 +1,7 @@
 package vendor_box2d
 
+import "base:intrinsics"
+
 /**
  * @defgroup id Ids
  * These ids serve as handles to internal Box2D objects.
@@ -7,19 +9,13 @@ package vendor_box2d
  * Include this header if you need the id types and not the whole Box2D API.
  * All ids are considered null if initialized to zero.
  *
- * For example in C++:
+ * For example in Odin:
  *
- * @code{.cxx}
- * b2WorldId worldId = {};
+ * @code{.odin}
+ * worldId := b2.WorldId{}
  * @endcode
  *
- * Or in C:
- *
- * @code{.c}
- * b2WorldId worldId = {0};
- * @endcode
- *
- * These are both considered null.
+ * This is considered null.
  *
  * @warning Do not use the internals of these ids. They are subject to change. Ids should be treated as opaque objects.
  * @warning You should use ids to access objects in Box2D. Do not access files within the src folder. Such usage is unsupported.
@@ -68,10 +64,24 @@ nullJointId :: JointId{}
 nullChainId :: ChainId{}
 
 /// Macro to determine if any id is null.
-IS_NULL :: proc "c" (id: $T) -> bool { return id.index1 == 0 }
+IS_NULL :: #force_inline proc "c" (id: $T) -> bool
+	where intrinsics.type_is_struct(T),
+	      intrinsics.type_has_field(T, "index1") {
+	return id.index1 == 0
+}
 
 /// Macro to determine if any id is non-null.
-IS_NON_NULL :: proc "c" (id: $T) -> bool { return id.index1 != 0 }
+IS_NON_NULL :: #force_inline proc "c" (id: $T) -> bool
+	where intrinsics.type_is_struct(T),
+	      intrinsics.type_has_field(T, "index1") {
+	return id.index1 != 0
+}
 
 /// Compare two ids for equality. Doesn't work for b2WorldId.
-ID_EQUALS :: proc "c" (id1, id2: $T) -> bool { return id1.index1 == id2.index1 && id1.world0 == id2.world0 && id1.revision == id2.revision }
+ID_EQUALS :: #force_inline proc "c" (id1, id2: $T) -> bool
+	where intrinsics.type_is_struct(T),
+	      intrinsics.type_has_field(T, "index1"),
+	      intrinsics.type_has_field(T, "world0"),
+	      intrinsics.type_has_field(T, "revision") {
+	return id1.index1 == id2.index1 && id1.world0 == id2.world0 && id1.revision == id2.revision
+}

vendor/box2d/types.odin

@@ -199,9 +199,8 @@ BodyDef :: struct {
 Filter :: struct {
 	// The collision category bits. Normally you would just set one bit. The category bits should
 	//	represent your application object types. For example:
-	//	@code{.cpp}
-	//	enum MyCategories
-	//	{
+	//	@code{.odin}
+	//	My_Categories :: enum u32 {
 	//		Static  = 0x00000001,
 	//		Dynamic = 0x00000002,
 	//		Debris  = 0x00000004,
@@ -209,14 +208,15 @@ Filter :: struct {
 	//		// etc
 	//	};
 	//	@endcode
+	//      Or use a bit_set.
 	categoryBits: u32,
 
 	// The collision mask bits. This states the categories that this
 	// shape would accept for collision.
 	//	For example, you may want your player to only collide with static objects
 	//	and other players.
-	//	@code{.c}
-	//	maskBits = Static | Player;
+	//	@code{.odin}
+	//	maskBits = u32(My_Categories.Static | My_Categories.Player);
 	//	@endcode
 	maskBits: u32,