Move d2x-rebirth/include/interp.h -> common/include/interp.h

Prior to the Bazaar import, an unidentified committer moved some
function declarations from 3d.h to interp.h, but only for Descent II.
Replicate those changes in Descent I, and move the Descent II header
interp.h to become common.

common/include/3d.h

@@ -216,27 +216,4 @@ bool g3_draw_bitmap(vms_vector *pos,fix width,fix height,grs_bitmap *bm);
 //NULL for either or both restores defaults
 void g3_set_special_render(void (*tmap_drawer)(),void (*flat_drawer)(),int (*line_drawer)(fix, fix, fix, fix));
 
-#ifdef DXX_BUILD_DESCENT_I
-//Object functions:
-
-//gives the interpreter an array of points to use
-void g3_set_interp_points(g3s_point *pointlist);
-
-//calls the object interpreter to render an object.  The object renderer
-//is really a seperate pipeline. returns true if drew
-bool g3_draw_polygon_model(void *model_ptr,grs_bitmap **model_bitmaps,vms_angvec *anim_angles,g3s_lrgb light,fix *glow_values);
-
-//init code for bitmap models
-void g3_init_polygon_model(void *model_ptr);
-
-//alternate interpreter for morphing object
-bool g3_draw_morphing_model(void *model_ptr,grs_bitmap **model_bitmaps,vms_angvec *anim_angles,g3s_lrgb light,vms_vector *new_points);
-
-// check a polymodel for it's color and return it
-int g3_poly_get_color(void *model_ptr);
-
-// routine to convert little to big endian in polygon model data
-void swap_polygon_model_data(ubyte *data);
-#endif
-
 #endif

d1x-rebirth/main/lighting.c

@@ -31,6 +31,7 @@ COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 #include "vclip.h"
 #include "lighting.h"
 #include "3d.h"
+#include "interp.h"
 #include "laser.h"
 #include "timer.h"
 #include "player.h"

d1x-rebirth/main/morph.c

@@ -31,6 +31,7 @@ COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 #include "newdemo.h"
 #include "piggy.h"
 #include "bm.h"
+#include "interp.h"
 
 morph_data morph_objects[MAX_MORPH_OBJECTS];
 

d1x-rebirth/main/polyobj.c

@@ -29,7 +29,7 @@ COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 #endif
 #include "polyobj.h"
 #include "vecmat.h"
-#include "3d.h"
+#include "interp.h"
 #include "dxxerror.h"
 #include "u_mem.h"
 #include "args.h"