#define M_ADDITIVE 16
#define M_CLAMPED 32
#define M_DECAL 64
+#define M_TWO_SIDED 128
/* Billboard types. */
#define B_EDGE 1
#define B_FLAT 2
#define B_ADDITIVE 4
+#define B_NOFACE 8
/* Lump flags. */
float p[3]; /* position vector */
float v[3]; /* velocity vector */
float w[3]; /* angular velocity vector */
+ float E[3][3]; /* basis of pendulum */
+ float W[3]; /* angular pendulum velocity */
float r; /* radius */
};