/**************************************************************************** * povproto.h * * This module defines the prototypes for all system-independent functions. * * from Persistence of Vision Raytracer * Copyright 1993 Persistence of Vision Team *--------------------------------------------------------------------------- * NOTICE: This source code file is provided so that users may experiment * with enhancements to POV-Ray and to port the software to platforms other * than those supported by the POV-Ray Team. There are strict rules under * which you are permitted to use this file. The rules are in the file * named POVLEGAL.DOC which should be distributed with this file. If * POVLEGAL.DOC is not available or for more info please contact the POV-Ray * Team Coordinator by leaving a message in CompuServe's Graphics Developer's * Forum. The latest version of POV-Ray may be found there as well. * * This program is based on the popular DKB raytracer version 2.12. * DKBTrace was originally written by David K. Buck. * DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins. * *****************************************************************************/ /* Prototypes for functions defined in povray.c */ void usage PARAMS((void)); void init_vars PARAMS((void)); void close_all PARAMS((void)); void get_defaults PARAMS((void)); void read_options PARAMS((char *File_Name)); void parse_option PARAMS((char *Option_String)); void Print_Options PARAMS((void)); void parse_file_name PARAMS((char *File_Name)); void print_stats PARAMS((void)); FILE *Locate_File PARAMS((char *filename, char *mode)); void print_credits PARAMS((void)); /* Prototypes for functions defined in render.c */ void Create_Ray PARAMS((RAY *ray, int width, int height, DBL x, DBL y)); void Supersample PARAMS((COLOUR *result, int x, int y, int Width,int Height)); void Read_Rendered_Part PARAMS((void)); void Start_Tracing PARAMS((void)); void Initialize_Renderer PARAMS((void)); void Trace PARAMS((RAY *Ray, COLOUR *Colour)); void Check_User_Abort PARAMS((int Do_Stats)); /* Prototypes for functions defined in bound.c */ void Destroy_Composite PARAMS((OBJECT *Object)); void BuildBoundingSlabs PARAMS((OBJECT **Root)); void recompute_bbox PARAMS((BBOX *bbox, TRANSFORM *trans)); void Recompute_Inverse_BBox PARAMS((BBOX *bbox, TRANSFORM *trans)); int Bounds_Intersect PARAMS((OBJECT *Root, RAY *ray, INTERSECTION *Best_Intersection, OBJECT **Best_Object)); /* Prototypes for functions defined in tokenize.c */ void Initialize_Tokenizer PARAMS((char *filename)); void Terminate_Tokenizer PARAMS((void)); void Get_Token PARAMS((void)); void Unget_Token PARAMS((void)); int Skip_Spaces PARAMS((DATA_FILE *Data_File)); int Parse_C_Comments PARAMS((DATA_FILE *Data_File)); void Begin_String PARAMS((void)); void Stuff_Character PARAMS((int c, DATA_FILE *Data_File)); void End_String PARAMS((DATA_FILE *Data_File)); int Read_Float PARAMS((DATA_FILE *Data_File)); void Parse_String PARAMS((DATA_FILE *Data_File)); int Read_Symbol PARAMS((DATA_FILE *Data_File)); int Find_Reserved PARAMS((void)); int Find_Symbol PARAMS((void)); void Token_Error PARAMS((DATA_FILE *Data_File, char *str)); /* Prototypes for functions defined in parse.c */ void Parse_Error PARAMS((TOKEN Token_Id)); void Parse_Error_Str PARAMS((char *str)); void Parse_Begin PARAMS((void)); void Parse_End PARAMS((void)); void Parse_Colour PARAMS((COLOUR *Colour)); COLOUR_MAP *Parse_Colour_Map PARAMS((void)); COLOUR_MAP *Parse_Colour_List PARAMS((int MinCount)); void Parse_Comma PARAMS((void)); DBL Parse_Float PARAMS((void)); void Parse_Vector PARAMS((VECTOR *Vector)); void Parse_Vector_Float PARAMS((VECTOR *Vector)); void Parse_Vector PARAMS((VECTOR *Vector)); void Parse_Scale_Vector PARAMS((VECTOR *Vector)); void Parse PARAMS((void)); void Write_Token PARAMS((TOKEN Token_Id, DATA_FILE *Data_File)); void Error PARAMS((char *str)); void MAError PARAMS((char *str)); void Warn PARAMS((char *str, DBL Level)); /* Prototypes for functions defined in objects.c */ int Intersection PARAMS((INTERSECTION *Ray_Intersection, OBJECT *Object, RAY *Ray)); int Ray_In_Bounds PARAMS((RAY *Ray, OBJECT *Bounds)); int Point_In_Clip PARAMS((VECTOR *IPoint, OBJECT *Clip)); OBJECT *Copy_Bound_Clip PARAMS((OBJECT *Old)); OBJECT *Copy_Object PARAMS((OBJECT *Old)); void Translate_Object PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Object PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Object PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Object PARAMS((OBJECT *Object, TRANSFORM *Trans)); int Inside_Object PARAMS((VECTOR *IPoint, OBJECT *Vector)); void Invert_Object PARAMS((OBJECT *Object)); void Destroy_Object PARAMS((OBJECT *Object)); void create_istack PARAMS((void)); ISTACK *open_istack PARAMS((void)); void close_istack PARAMS((ISTACK *istk)); void incstack PARAMS((ISTACK *istk)); /* Prototypes for functions defined in spheres.c */ int All_Sphere_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int All_Ellipsoid_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Intersect_Sphere PARAMS((RAY *Ray, SPHERE *Sphere, DBL *Depth1, DBL *Depth2)); int Inside_Sphere PARAMS((VECTOR *IPoint, OBJECT *Object)); int Inside_Ellipsoid PARAMS((VECTOR *IPoint, OBJECT *Object)); void Sphere_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void Ellipsoid_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Sphere PARAMS((OBJECT *Object)); void Translate_Sphere PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Sphere PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Sphere PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Sphere PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Sphere PARAMS((OBJECT *Object)); void Destroy_Sphere PARAMS((OBJECT *Object)); SPHERE *Create_Sphere PARAMS((void)); /* Prototypes for functions defined in quadrics.c */ int All_Quadric_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Intersect_Quadric PARAMS((RAY *Ray, QUADRIC *Quadric, DBL *Depth1, DBL *Depth2)); int Inside_Quadric PARAMS((VECTOR *IPoint, OBJECT *Object)); void Quadric_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Quadric PARAMS((OBJECT *Object)); void Quadric_To_Matrix PARAMS((QUADRIC *Quadric, MATRIX *Matrix)); void Matrix_To_Quadric PARAMS((MATRIX *Matrix, QUADRIC *Quadric)); void Translate_Quadric PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Quadric PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Quadric PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Quadric PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Quadric PARAMS((OBJECT *Object)); void Destroy_Quadric PARAMS((OBJECT *Object)); QUADRIC *Create_Quadric PARAMS((void)); /* Prototypes for functions defined in poly.c */ int All_Poly_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Inside_Poly PARAMS((VECTOR *IPoint, OBJECT *Object)); void Poly_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Poly PARAMS((OBJECT *Object)); void Translate_Poly PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Poly PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Poly PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Poly PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Poly PARAMS((OBJECT *Object)); void Destroy_Poly PARAMS((OBJECT *Object)); POLY *Create_Poly PARAMS((int Order)); /* Prototypes for functions defined in bezier.c */ void Precompute_Patch_Values PARAMS((BICUBIC_PATCH *Shape)); int All_Bicubic_Patch_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Inside_Bicubic_Patch PARAMS((VECTOR *IPoint, OBJECT *Object)); void Bicubic_Patch_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Bicubic_Patch PARAMS((OBJECT *Object)); void Translate_Bicubic_Patch PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Bicubic_Patch PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Bicubic_Patch PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Bicubic_Patch PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Bicubic_Patch PARAMS((OBJECT *Object)); BICUBIC_PATCH *Create_Bicubic_Patch PARAMS((void)); void Destroy_Bicubic_Patch PARAMS((OBJECT *Object)); /* Prototypes for functions defined in boxes.c */ int All_Box_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Intersect_Boxx PARAMS((RAY *Ray, BOX *box, DBL *Depth1, DBL *Depth2)); int Inside_Box PARAMS((VECTOR *point, OBJECT *Object)); void Box_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Box PARAMS((OBJECT *Object)); void Translate_Box PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Box PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Box PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Box PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Box PARAMS((OBJECT *Object)); BOX *Create_Box PARAMS((void)); void Destroy_Box PARAMS((OBJECT *Object)); /* Prototypes for functions defined in blob.c */ void Set_Blob_Solver PARAMS((OBJECT *obj, int Sturm_Flag)); int All_Blob_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); void BlobDelete PARAMS((OBJECT *obj)); int Inside_Blob PARAMS((VECTOR *point, OBJECT *Object)); void Blob_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Blob PARAMS((OBJECT *Object)); void Translate_Blob PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Blob PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Blob PARAMS((OBJECT *Object, VECTOR *Vector)); void Invert_Blob PARAMS((OBJECT *Object)); void Transform_Blob PARAMS((OBJECT *Object, TRANSFORM *Trans)); BLOB *Create_Blob PARAMS((void)); void Destroy_Blob PARAMS((OBJECT *Object)); void MakeBlob PARAMS((BLOB *blob, DBL threshold, blobstackptr bloblist, int npoints, int sflag)); /* Prototypes for functions defined in cones.c */ int All_Cone_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Inside_Cone PARAMS((VECTOR *point, OBJECT *Object)); void Cone_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Cone PARAMS((OBJECT *Object)); void Translate_Cone PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Cone PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Cone PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Cone PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Cone PARAMS((OBJECT *Object)); CONE *Create_Cone PARAMS((void)); CONE *Create_Cylinder PARAMS((void)); void Compute_Cone_Data PARAMS((OBJECT *Object)); void Compute_Cylinder_Data PARAMS((OBJECT *Object)); void Destroy_Cone PARAMS((OBJECT *Object)); /* Prototypes for functions defined in cones.c */ int All_Disc_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Intersect_Disc PARAMS((RAY *Ray, DISC *Disc, DBL *Depth)); int Inside_Disc PARAMS((VECTOR *point, OBJECT *Object)); void Disc_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Disc PARAMS((OBJECT *Object)); void Translate_Disc PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Disc PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Disc PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Disc PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Disc PARAMS((OBJECT *Object)); DISC *Create_Disc PARAMS((void)); void Destroy_Disc PARAMS((OBJECT *Object)); /* Prototypes for functions defined in hfield.c */ void Find_Hf_Min_Max PARAMS((HEIGHT_FIELD *H_Field, IMAGE *Image)); int Intersect_Sub_Block PARAMS((HF_BLOCK *Block, RAY *Ray, HEIGHT_FIELD *H_Field, VECTOR *start, VECTOR *end)); int Intersect_Hf_Node PARAMS((RAY *Ray, HEIGHT_FIELD *H_Field, VECTOR *start, VECTOR *end)); int Intersect_Box PARAMS((HEIGHT_FIELD *H_Field,RAY *Ray,DBL *depth1,DBL *depth2)); DBL Get_Height PARAMS((int x,int y,HEIGHT_FIELD *H_Field)); int Intersect_Pixel PARAMS((int x,int z,RAY *Ray,HEIGHT_FIELD *H_Field,DBL height1,DBL height2)); int All_HeightFld_Intersections PARAMS((OBJECT *Object,RAY *Ray,ISTACK *Depth_Stack)); int All_Csg_HeightFld_Intersections PARAMS((OBJECT *Object,RAY *Ray,ISTACK *Depth_Stack)); int Intersect_HeightFld PARAMS((RAY *Ray,HEIGHT_FIELD *H_Field,DBL *Depth)); int Inside_HeightFld PARAMS((VECTOR *IPoint,OBJECT *Object)); void HeightFld_Normal PARAMS((VECTOR *Result,OBJECT *Object,VECTOR *IPoint)); void *Copy_HeightFld PARAMS((OBJECT *Object)); void Translate_HeightFld PARAMS((OBJECT *Object,VECTOR *Vector)); void Rotate_HeightFld PARAMS((OBJECT *Object,VECTOR *Vector)); void Scale_HeightFld PARAMS((OBJECT *Object,VECTOR *Vector)); void Transform_HeightFld PARAMS((OBJECT *Object,TRANSFORM *Trans)); void Destroy_HeightFld PARAMS((OBJECT *Object)); void Invert_HeightFld PARAMS((OBJECT *Object)); HEIGHT_FIELD *Create_Height_Field PARAMS((void)); /* Prototypes for functions defined in triangle.c */ void Find_Triangle_Dominant_Axis PARAMS((TRIANGLE *Triangle)); int Compute_Triangle PARAMS((TRIANGLE *Triangle, int Smooth)); void Compute_Smooth_Triangle PARAMS((SMOOTH_TRIANGLE *Triangle)); int All_Triangle_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Intersect_Triangle PARAMS((RAY *Ray, TRIANGLE *Triangle, DBL *Depth)); int Inside_Triangle PARAMS((VECTOR *IPoint, OBJECT *Object)); void Triangle_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Triangle PARAMS((OBJECT *Object)); void Translate_Triangle PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Triangle PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Triangle PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Triangle PARAMS((OBJECT *Object, TRANSFORM *Trans)); TRIANGLE *Create_Triangle PARAMS((void)); void Invert_Triangle PARAMS((OBJECT *Object)); void Smooth_Triangle_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Smooth_Triangle PARAMS((OBJECT *Object)); void Translate_Smooth_Triangle PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Smooth_Triangle PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Smooth_Triangle PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Smooth_Triangle PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Smooth_Triangle PARAMS((OBJECT *Object)); SMOOTH_TRIANGLE *Create_Smooth_Triangle PARAMS((void)); void Destroy_Triangle PARAMS((OBJECT *Object)); /* Prototypes for functions defined in vect.c */ int solve_quadratic PARAMS((DBL *x, DBL *y)); int solve_cubic PARAMS((DBL *x, DBL *y)); int solve_quartic PARAMS((DBL *x, DBL *y)); int polysolve PARAMS((int order, DBL *Coeffs, DBL *roots)); /* Prototypes for functions defined in lighting.c */ void Add_Pigment PARAMS((COLOUR *Colour, PIGMENT *Pigment, VECTOR *IPoint)); void Perturb_Normal PARAMS((VECTOR *Layer_Normal, TNORMAL *Tnormal, VECTOR *IPoint)); void Diffuse PARAMS((FINISH *Finish, VECTOR *IPoint, RAY *Eye, VECTOR *Layer_Normal, COLOUR *Layer_Colour, COLOUR *Colour,DBL Attenuation)); void Reflect PARAMS((DBL Reflection, VECTOR *IPoint, RAY *Ray, VECTOR *Layer_Normal, COLOUR *Colour)); void Refract PARAMS((TEXTURE *Texture, VECTOR *IPoint, RAY *Ray, VECTOR *Layer_Normal, COLOUR *Colour)); void Fog PARAMS((DBL Distance, COLOUR *Fog_Colour, DBL Fog_Distance, COLOUR *Colour)); void Compute_Reflected_Colour PARAMS ((RAY *Ray, FINISH *Finish,\ INTERSECTION *Ray_Intersection, COLOUR *Layer_Colour, COLOUR *Filter_Colour,COLOUR *Colour, VECTOR *Layer_Normal)); void Determine_Apparent_Colour PARAMS ((INTERSECTION *Ray_Intersection, COLOUR *Colour, RAY *Ray)); void Filter_Shadow_Ray PARAMS ((INTERSECTION *Ray_Intersection, COLOUR *Colour)); /* Prototypes for functions defined in point.c */ int All_Light_Source_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Inside_Light_Source PARAMS((VECTOR *point, OBJECT *Object)); void Light_Source_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Light_Source PARAMS((OBJECT *Object)); void Translate_Light_Source PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Light_Source PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Light_Source PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Light_Source PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Light_Source PARAMS((OBJECT *Object)); void Destroy_Light_Source PARAMS((OBJECT *Object)); LIGHT_SOURCE *Create_Light_Source PARAMS((void)); DBL Attenuate_Light PARAMS((LIGHT_SOURCE *Light_Source, RAY *Light_Source_Ray)); COLOUR **Create_Light_Grid PARAMS((int Size1, int Size2)); /* Prototypes for functions defined in texture.c */ void Compute_Colour PARAMS((COLOUR *Colour,PIGMENT *Pigment, DBL value)); void Initialize_Noise PARAMS((void)); void InitTextureTable PARAMS((void)); void InitRTable PARAMS((void)); int R PARAMS((VECTOR *v)); int Crc16 PARAMS((char *buf, int count)); DBL Noise PARAMS((DBL x, DBL y, DBL z)); void DNoise PARAMS((VECTOR *result, DBL x, DBL y, DBL z)); DBL Turbulence PARAMS((DBL x, DBL y, DBL z, DBL omega, DBL lambda, int octaves)); void DTurbulence PARAMS((VECTOR *result, DBL x, DBL y, DBL z, DBL omega, DBL lambda, int octaves)); DBL cycloidal PARAMS((DBL value)); DBL Triangle_Wave PARAMS((DBL value)); void Translate_Textures PARAMS((TEXTURE *Textures, VECTOR *Vector)); void Rotate_Textures PARAMS((TEXTURE *Textures, VECTOR *Vector)); void Scale_Textures PARAMS((TEXTURE *Textures, VECTOR *Vector)); void Transform_Textures PARAMS((TEXTURE *Textures, TRANSFORM *Trans)); void Destroy_Textures PARAMS((TEXTURE *Textures)); void Post_Textures PARAMS((TEXTURE *Textures)); FINISH *Create_Finish PARAMS((void)); FINISH *Copy_Finish PARAMS((FINISH *Old)); TEXTURE *Create_PNF_Texture PARAMS((void)); TILES *Create_Tiles_Texture PARAMS((void)); MATERIAL *Create_Material_Texture PARAMS((void)); TEXTURE *Copy_Textures PARAMS((TEXTURE *Textures)); TEXTURE *Create_Texture PARAMS((void)); TEXTURE *Copy_Materials PARAMS((TEXTURE *Old)); /* Prototypes for functions defined in pigment.c */ void agate PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void bozo PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void brick PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void checker PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void gradient PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void granite PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void marble PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void mandel PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void radial PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void spotted PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void wood PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void leopard PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); /* SWT 7/18/91 */ void onion PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); void hexagon PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); PIGMENT *Create_Pigment PARAMS((void)); PIGMENT *Copy_Pigment PARAMS((PIGMENT *Old)); void Translate_Pigment PARAMS((PIGMENT *Pigment, VECTOR *Vector)); void Rotate_Pigment PARAMS((PIGMENT *Pigment, VECTOR *Vector)); void Scale_Pigment PARAMS((PIGMENT *Pigment, VECTOR *Vector)); void Transform_Pigment PARAMS((PIGMENT *Pigment, TRANSFORM *Trans)); void Destroy_Pigment PARAMS((PIGMENT *Pigment)); void Post_Pigment PARAMS((PIGMENT *Pigment)); /* Prototypes for functions defined in normal.c */ void ripples PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *Vector)); void waves PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *Vector)); void bumps PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *normal)); void dents PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *normal)); void wrinkles PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *normal)); TNORMAL *Create_Tnormal PARAMS((void)); TNORMAL *Copy_Tnormal PARAMS((TNORMAL *Old)); void Translate_Tnormal PARAMS((TNORMAL *Tnormal, VECTOR *Vector)); void Rotate_Tnormal PARAMS((TNORMAL *Tnormal, VECTOR *Vector)); void Scale_Tnormal PARAMS((TNORMAL *Tnormal, VECTOR *Vector)); void Transform_Tnormal PARAMS((TNORMAL *Tnormal, TRANSFORM *Trans)); void Destroy_Tnormal PARAMS((TNORMAL *Tnormal)); void Post_Tnormal PARAMS((TNORMAL *Tnormal)); /* Prototypes for functions defined in txttest.c */ void painted1 PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); /* CdW 7/2/91 */ void painted2 PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); /* CdW 7/2/91 */ void painted3 PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); /* CdW 7/2/91 */ void bumpy1 PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *normal)); /* CdW 7/2/91*/ void bumpy2 PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *normal)); /* CdW 7/2/91*/ void bumpy3 PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *normal)); /* CdW 7/2/91*/ /* Prototypes for functions defined in image.c */ void image_map PARAMS((DBL x, DBL y, DBL z, PIGMENT *Pigment, COLOUR *colour)); TEXTURE *material_map PARAMS((VECTOR *IPoint, MATERIAL *Texture)); TEXTURE *tiles_texture PARAMS((VECTOR *IPoint, TILES *Texture)); void bump_map PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *normal));/* CdW 7/8/91*/ void gouge_map PARAMS((DBL x, DBL y, DBL z, TNORMAL *Tnormal, VECTOR *normal)); int map PARAMS((DBL x,DBL y,DBL z, TPATTERN *Turb ,IMAGE *Image,DBL *xcoor, DBL *ycoor)); IMAGE *Copy_Image PARAMS ((IMAGE *Old)); IMAGE *Create_Image PARAMS ((void)); void Destroy_Image PARAMS ((IMAGE *Image)); /* Prototypes for functions defined in csg.c */ int All_CSG_Union_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int All_CSG_Merge_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int All_CSG_Intersect_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Inside_CSG_Union PARAMS((VECTOR *point, OBJECT *Object)); int Inside_CSG_Intersection PARAMS((VECTOR *point, OBJECT *Object)); void *Copy_CSG PARAMS((OBJECT *Object)); void Translate_CSG PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_CSG PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_CSG PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_CSG PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Destroy_CSG PARAMS((OBJECT *Object)); void Invert_CSG_Union PARAMS((OBJECT *Object)); void Invert_CSG_Intersection PARAMS((OBJECT *Object)); CSG *Create_CSG_Union PARAMS((void)); CSG *Create_CSG_Merge PARAMS((void)); CSG *Create_CSG_Intersection PARAMS((void)); void Compute_CSG_Bounds PARAMS((OBJECT *Object)); /* Prototypes for functions defined in colour.c */ COLOUR *Create_Colour PARAMS((void)); COLOUR *Copy_Colour PARAMS((COLOUR *Old)); COLOUR_MAP_ENTRY *Create_CMap_Entries PARAMS((int Map_Size)); COLOUR_MAP_ENTRY *Copy_CMap_Entries PARAMS((COLOUR_MAP_ENTRY *Old,int Map_Size)); COLOUR_MAP *Create_Colour_Map PARAMS((void)); COLOUR_MAP *Copy_Colour_Map PARAMS((COLOUR_MAP *Old)); DBL Colour_Distance PARAMS((COLOUR *colour1, COLOUR *colour2)); void Add_Colour PARAMS((COLOUR *result, COLOUR *colour1, COLOUR *colour2)); void Scale_Colour PARAMS((COLOUR *result, COLOUR *colour, DBL factor)); void Clip_Colour PARAMS((COLOUR *result, COLOUR *colour)); void Destroy_Colour_Map PARAMS((COLOUR_MAP *CMap)); /* Prototypes for functions defined in camera.c */ void Translate_Camera PARAMS((CAMERA *Cm, VECTOR *Vector)); void Rotate_Camera PARAMS((CAMERA *Cm, VECTOR *Vector)); void Scale_Camera PARAMS((CAMERA *Cm, VECTOR *Vector)); void Transform_Camera PARAMS((CAMERA *Cm, TRANSFORM *Trans)); CAMERA *Copy_Camera PARAMS((CAMERA *Old)); CAMERA *Create_Camera PARAMS((void)); /* Prototypes for functions defined in ray.c */ void Make_Ray PARAMS((RAY *r)); void Initialize_Ray_Containers PARAMS((RAY *Ray)); void Copy_Ray_Containers PARAMS((RAY *Dest_Ray, RAY *Source_Ray)); void Ray_Enter PARAMS((RAY *ray, TEXTURE *texture)); void Ray_Exit PARAMS((RAY *ray)); /* Prototypes for functions defined in planes.c */ int All_Plane_Intersections PARAMS((OBJECT *Object, RAY *Ray, ISTACK *Depth_Stack)); int Intersect_Plane PARAMS((RAY *Ray, PLANE *Plane, DBL *Depth)); int Inside_Plane PARAMS((VECTOR *point, OBJECT *Object)); void Plane_Normal PARAMS((VECTOR *Result, OBJECT *Object, VECTOR *IPoint)); void *Copy_Plane PARAMS((OBJECT *Object)); void Translate_Plane PARAMS((OBJECT *Object, VECTOR *Vector)); void Rotate_Plane PARAMS((OBJECT *Object, VECTOR *Vector)); void Scale_Plane PARAMS((OBJECT *Object, VECTOR *Vector)); void Transform_Plane PARAMS((OBJECT *Object, TRANSFORM *Trans)); void Invert_Plane PARAMS((OBJECT *Object)); void Destroy_Plane PARAMS((OBJECT *Object)); PLANE *Create_Plane PARAMS((void)); /* Prototypes for functions defined in iff.c */ void iff_error PARAMS((void)); int read_byte PARAMS((FILE *f)); int read_word PARAMS((FILE *f)); long read_long PARAMS((FILE *f)); void Read_Chunk_Header PARAMS((FILE *f, CHUNK_HEADER *dest)); void Read_Iff_Image PARAMS((IMAGE *Image, char *filename)); /* Prototypes for functions defined in gif.c */ int out_line PARAMS((unsigned char *pixels, int linelen)); int get_byte PARAMS((void)); void Read_Gif_Image PARAMS((IMAGE *Image, char *filename)); /* Prototypes for functions defined in gifdecod.c */ void cleanup_gif_decoder PARAMS((void)); WORD init_exp PARAMS((int i_size)); /* changed param to int to avoid problems with 32bit int ANSI compilers. */ WORD get_next_code PARAMS((void)); WORD decoder PARAMS((int i_linewidth)); /* same as above */ /* Prototypes for machine specific functions defined in "computer".c (ibm.c amiga.c unix.c etc.)*/ void display_finished PARAMS((void)); void display_init PARAMS((int width, int height)); void display_close PARAMS((void)); void display_plot PARAMS((int x, int y, unsigned char Red, unsigned char Green, unsigned char Blue)); /* Prototypes for functions defined in matrices.c */ void MZero PARAMS((MATRIX *result)); void MIdentity PARAMS((MATRIX *result)); void MTimes PARAMS((MATRIX *result, MATRIX *matrix1, MATRIX *matrix2)); void MAdd PARAMS((MATRIX *result, MATRIX *matrix1, MATRIX *matrix2)); void MSub PARAMS((MATRIX *result, MATRIX *matrix1, MATRIX *matrix2)); void MScale PARAMS((MATRIX *result, MATRIX *matrix1, DBL amount)); void MTranspose PARAMS((MATRIX *result, MATRIX *matrix1)); void MTransPoint PARAMS((VECTOR *result, VECTOR *vector, TRANSFORM *trans)); void MInvTransPoint PARAMS((VECTOR *result, VECTOR *vector, TRANSFORM *trans)); void MTransDirection PARAMS((VECTOR *result, VECTOR *vector, TRANSFORM *trans)); void MInvTransDirection PARAMS((VECTOR *result, VECTOR *vector, TRANSFORM *trans)); void MTransNormal PARAMS((VECTOR *result, VECTOR *vector, TRANSFORM *trans)); void MInvTransNormal PARAMS((VECTOR *result, VECTOR *vector, TRANSFORM *trans)); void Compute_Scaling_Transform PARAMS((TRANSFORM *result, VECTOR *vector)); void Compute_Inversion_Transform PARAMS((TRANSFORM *result)); void Compute_Translation_Transform PARAMS((TRANSFORM *transform, VECTOR *vector)); void Compute_Rotation_Transform PARAMS((TRANSFORM *transform, VECTOR *vector)); void Compute_Look_At_Transform PARAMS((TRANSFORM *transform, VECTOR *Look_At, VECTOR *Up, VECTOR *Right)); void Compose_Transforms PARAMS((TRANSFORM *Original_Transform, TRANSFORM *New_Transform)); void Compute_Axis_Rotation_Transform PARAMS((TRANSFORM *transform, VECTOR *V, DBL angle)); void Compute_Coordinate_Transform PARAMS((TRANSFORM *trans, VECTOR *origin, VECTOR *up, DBL r, DBL len)); TRANSFORM *Create_Transform PARAMS((void)); TRANSFORM *Copy_Transform PARAMS((TRANSFORM *Old)); VECTOR *Create_Vector PARAMS((void)); VECTOR *Copy_Vector PARAMS((VECTOR *Old)); DBL *Create_Float PARAMS((void)); DBL *Copy_Float PARAMS((DBL *Old)); /* Prototypes for functions defined in dump.c */ FILE_HANDLE *Get_Dump_File_Handle PARAMS((void)); char *Default_Dump_File_Name PARAMS((void)); int Open_Dump_File PARAMS((FILE_HANDLE *handle, char *name, int *width, int *height, int buffer_size, int mode)); void Write_Dump_Line PARAMS((FILE_HANDLE *handle, COLOUR *line_data, int line_number)); int Read_Dump_Line PARAMS((FILE_HANDLE *handle, COLOUR *line_data, int *line_number)); int Read_Dump_Int_Line PARAMS((FILE_HANDLE *handle, IMAGE_LINE *line_data, int *line_number)); void Read_Dump_Image PARAMS((IMAGE *Image, char *filename)); void Close_Dump_File PARAMS((FILE_HANDLE *handle)); /* Prototypes for functions defined in targa.c */ FILE_HANDLE *Get_Targa_File_Handle PARAMS((void)); char *Default_Targa_File_Name PARAMS((void)); int Open_Targa_File PARAMS((FILE_HANDLE *handle, char *name, int *width, int *height, int buffer_size, int mode)); void Write_Targa_Line PARAMS((FILE_HANDLE *handle, COLOUR *line_data, int line_number)); int Read_Targa_Line PARAMS((FILE_HANDLE *handle, COLOUR *line_data, int *line_number)); void Close_Targa_File PARAMS((FILE_HANDLE *handle)); void Read_Targa_Image PARAMS((IMAGE *Image, char *filename)); /* Prototypes for functions defined in Raw.c */ FILE_HANDLE *Get_Raw_File_Handle PARAMS((void)); char *Default_Raw_File_Name PARAMS((void)); int Open_Raw_File PARAMS((FILE_HANDLE *handle, char *name, int *width, int *height, int buffer_size, int mode)); void Write_Raw_Line PARAMS((FILE_HANDLE *handle, COLOUR *line_data, int line_number)); int Read_Raw_Line PARAMS((FILE_HANDLE *handle, COLOUR *line_data, int *line_number)); void Close_Raw_File PARAMS((FILE_HANDLE *handle));