common: move vec3_t_to_glm() to mathlib.hh

common/bsputils.cc

@@ -261,10 +261,6 @@ EdgePlanes_PointInside(const bsp2_dface_t *face, const plane_t *edgeplanes, cons
 
 using namespace glm;
 
-static glm::vec3 vec3_t_to_glm(const vec3_t vec) {
-    return glm::vec3(vec[0], vec[1], vec[2]);
-}
-
 glm::vec4 Face_Plane_E(const bsp2_t *bsp, const bsp2_dface_t *f)
 {
     const vec3 p0 = Face_PointAtIndex_E(bsp, f, 0);

include/common/mathlib.hh

@@ -307,6 +307,10 @@ float Lanczos2D(float x, float y, float a);
 
 // glm geometry
 
+static inline glm::vec3 vec3_t_to_glm(const vec3_t vec) {
+    return glm::vec3(vec[0], vec[1], vec[2]);
+}
+
 glm::vec3 GLM_FaceNormal(std::vector<glm::vec3> points);
 std::vector<glm::vec4> GLM_MakeInwardFacingEdgePlanes(std::vector<glm::vec3> points);
 bool GLM_EdgePlanes_PointInside(const std::vector<glm::vec4> &edgeplanes, const glm::vec3 &point);