force enum to uin32_t for all compilers via enum-base

Some clang versions seem to use int32 for enums unless
explicitly overridden.

Use `enum : uint32_t` will force the type in a compatible
way, this also allows us to get rid of the dummy FORCE_UINT32 enum
members

Author: brakhane

WickedEngine/wiAudio.h

@@ -15,15 +15,13 @@ namespace wi::audio
 
 	// SUBMIX_TYPE specifies the playback channel of sound instances
 	//	Do not change the order as this enum can be serialized!
-	enum SUBMIX_TYPE
+	enum SUBMIX_TYPE : uint32_t
 	{
 		SUBMIX_TYPE_SOUNDEFFECT,
 		SUBMIX_TYPE_MUSIC,
 		SUBMIX_TYPE_USER0,
 		SUBMIX_TYPE_USER1,
 		SUBMIX_TYPE_COUNT,
-
-		ENUM_FORCE_UINT32 = 0xFFFFFFFF, // submix type can be serialized
 	};
 
 	// Sound is holding the sound data needed for playback, but it can't be played by itself.

WickedEngine/wiEmittedParticle.h

@@ -21,14 +21,13 @@ namespace wi
 	public:
 
 		// This is serialized, order of enums shouldn't change!
-		enum PARTICLESHADERTYPE
+		enum PARTICLESHADERTYPE : uint32_t
 		{
 			SOFT,
 			SOFT_DISTORTION,
 			SIMPLE,
 			SOFT_LIGHTING,
 			PARTICLESHADERTYPE_COUNT,
-			ENUM_FORCE_UINT32 = 0xFFFFFFFF,
 		};
 
 		ParticleCounters statistics = {};

WickedEngine/wiPhysics_Jolt.cpp

@@ -1930,9 +1930,6 @@ namespace wi::physics
 			}
 			break;
 
-		// make Clang happy
-		case wi::scene::RigidBodyPhysicsComponent::ENUM_FORCE_UINT32:
-			JPH_ASSERT(false);
 		}
 
 		if (!shape_result.IsValid())

WickedEngine/wiScene_Components.h

@@ -407,7 +407,7 @@ namespace wi::scene
 		};
 		uint32_t _flags = EMPTY;
 
-		enum CollisionShape
+		enum CollisionShape : uint32_t
 		{
 			BOX,
 			SPHERE,
@@ -416,7 +416,6 @@ namespace wi::scene
 			TRIANGLE_MESH,
 			CYLINDER,
 			HEIGHTFIELD,
-			ENUM_FORCE_UINT32 = 0xFFFFFFFF
 		};
 		CollisionShape shape = BOX;
 		float mass = 1.0f; // Set to 0 to make body static
@@ -1317,14 +1316,13 @@ namespace wi::scene
 		};
 		uint32_t _flags = EMPTY;
 
-		enum LightType
+		enum LightType : uint32_t
 		{
 			DIRECTIONAL,
 			POINT,
 			SPOT,
 			RECTANGLE,
 			LIGHTTYPE_COUNT,
-			ENUM_FORCE_UINT32 = 0xFFFFFFFF,
 		};
 		LightType type = POINT;