xrCDB: minor cleanup using C++11

Author: Xottab-DUTY

src/xrCDB/ISpatial_q_ray.cpp

@@ -7,23 +7,18 @@
 #include <xmmintrin.h>
 #pragma warning(pop)
 
-// can you say "barebone"?
-#ifndef _MM_ALIGN16
-#define _MM_ALIGN16 __declspec(align(16))
-#endif // _MM_ALIGN16
-
-struct _MM_ALIGN16 vec_t : public Fvector3
+struct alignas(16) vec_t : public Fvector3
 {
     float pad;
 };
 // static vec_t	vec_c	( float _x, float _y, float _z)	{ vec_t v; v.x=_x;v.y=_y;v.z=_z;v.pad=0; return v; }
 
-struct _MM_ALIGN16 aabb_t
+struct alignas(16) aabb_t
 {
     vec_t min;
     vec_t max;
 };
-struct _MM_ALIGN16 ray_t
+struct alignas(16) ray_t
 {
     vec_t pos;
     vec_t inv_dir;
@@ -148,16 +143,16 @@ ICF BOOL isect_fpu(const Fvector& min, const Fvector& max, const ray_t& ray, Fve
 #define rotatelps(ps) _mm_shuffle_ps((ps), (ps), 0x39) // a,b,c,d -> b,c,d,a
 #define muxhps(low, high) _mm_movehl_ps((low), (high)) // low{a,b,c,d}|high{e,f,g,h} = {c,d,g,h}
 
-static const float flt_plus_inf = -logf(0); // let's keep C and C++ compilers happy.
-static const float _MM_ALIGN16 ps_cst_plus_inf[4] = {flt_plus_inf, flt_plus_inf, flt_plus_inf, flt_plus_inf},
-                               ps_cst_minus_inf[4] = {-flt_plus_inf, -flt_plus_inf, -flt_plus_inf, -flt_plus_inf};
+static constexpr auto flt_plus_inf = std::numeric_limits<float>::infinity();
+alignas(16) static constexpr float ps_cst_plus_inf[4] = { flt_plus_inf, flt_plus_inf, flt_plus_inf, flt_plus_inf },
+                                   ps_cst_minus_inf[4] = { -flt_plus_inf, -flt_plus_inf, -flt_plus_inf, -flt_plus_inf };
 
 ICF BOOL isect_sse(const aabb_t& box, const ray_t& ray, float& dist)
 {
     // you may already have those values hanging around somewhere
     const __m128 plus_inf = loadps(ps_cst_plus_inf), minus_inf = loadps(ps_cst_minus_inf);
 
-    // use whatever's apropriate to load.
+    // use whatever's appropriate to load.
     const __m128 box_min = loadps(&box.min), box_max = loadps(&box.max), pos = loadps(&ray.pos),
                  inv_dir = loadps(&ray.inv_dir);
 
@@ -200,7 +195,7 @@ ICF BOOL isect_sse(const aabb_t& box, const ray_t& ray, float& dist)
 extern Fvector c_spatial_offset[8];
 
 template <bool b_use_sse, bool b_first, bool b_nearest>
-class _MM_ALIGN16 walker
+class alignas(16) walker
 {
 public:
     ray_t ray;

src/xrCDB/xrCDB_ray.cpp

@@ -11,23 +11,18 @@
 using namespace CDB;
 using namespace Opcode;
 
-// can you say "barebone"?
-#ifndef _MM_ALIGN16
-#define _MM_ALIGN16 __declspec(align(16))
-#endif // _MM_ALIGN16
-
-struct _MM_ALIGN16 vec_t : public Fvector3
+struct alignas(16) vec_t : public Fvector3
 {
     float pad;
 };
 // static vec_t	vec_c	( float _x, float _y, float _z)	{ vec_t v; v.x=_x;v.y=_y;v.z=_z;v.pad=0; return v; }
 
-struct _MM_ALIGN16 aabb_t
+struct alignas(16) aabb_t
 {
     vec_t min;
     vec_t max;
 };
-struct _MM_ALIGN16 ray_t
+struct alignas(16) ray_t
 {
     vec_t pos;
     vec_t inv_dir;
@@ -152,16 +147,16 @@ ICF BOOL isect_fpu(const Fvector& min, const Fvector& max, const ray_t& ray, Fve
 #define rotatelps(ps) _mm_shuffle_ps((ps), (ps), 0x39) // a,b,c,d -> b,c,d,a
 #define muxhps(low, high) _mm_movehl_ps((low), (high)) // low{a,b,c,d}|high{e,f,g,h} = {c,d,g,h}
 
-static const float flt_plus_inf = -logf(0); // let's keep C and C++ compilers happy.
-static const float _MM_ALIGN16 ps_cst_plus_inf[4] = {flt_plus_inf, flt_plus_inf, flt_plus_inf, flt_plus_inf},
-                               ps_cst_minus_inf[4] = {-flt_plus_inf, -flt_plus_inf, -flt_plus_inf, -flt_plus_inf};
+static constexpr float flt_plus_inf = std::numeric_limits<float>::infinity();
+alignas(16) static constexpr float ps_cst_plus_inf[4] = { flt_plus_inf, flt_plus_inf, flt_plus_inf, flt_plus_inf },
+                                   ps_cst_minus_inf[4] = { -flt_plus_inf, -flt_plus_inf, -flt_plus_inf, -flt_plus_inf };
 
 ICF BOOL isect_sse(const aabb_t& box, const ray_t& ray, float& dist)
 {
     // you may already have those values hanging around somewhere
     const __m128 plus_inf = loadps(ps_cst_plus_inf), minus_inf = loadps(ps_cst_minus_inf);
 
-    // use whatever's apropriate to load.
+    // use whatever's appropriate to load.
     const __m128 box_min = loadps(&box.min), box_max = loadps(&box.max), pos = loadps(&ray.pos),
                  inv_dir = loadps(&ray.inv_dir);
 
@@ -202,7 +197,7 @@ ICF BOOL isect_sse(const aabb_t& box, const ray_t& ray, float& dist)
 }
 
 template <bool bUseSSE, bool bCull, bool bFirst, bool bNearest>
-class _MM_ALIGN16 ray_collider
+class alignas(16) ray_collider
 {
 public:
     COLLIDER* dest;