+#define PFIELD_PLANAR 8
+#define PDEFLE_KILL_PART 16
+#define PFIELD_POSZ 32
+#define PFIELD_TEX_OBJECT 64
+#define PFIELD_TEX_2D 128
+#define PFIELD_USEMIN 256
+#define PFIELD_USEMAXR 512
+#define PFIELD_USEMINR 1024
+
+/* pd->falloff */
+#define PFIELD_FALL_SPHERE 0
+#define PFIELD_FALL_TUBE 1
+#define PFIELD_FALL_CONE 2
+//reserved for near future
+//#define PFIELD_FALL_INSIDE 3
+
+/* pd->tex_mode */
+#define PFIELD_TEX_RGB 0
+#define PFIELD_TEX_GRAD 1
+#define PFIELD_TEX_CURL 2