Move */include/3d.h -> common/include/3d.h
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@ -10,28 +10,11 @@ CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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* $Source: /cvsroot/dxx-rebirth/d1x-rebirth/include/3d.h,v $
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* $Revision: 1.1.1.1 $
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* $Author: zicodxx $
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* $Date: 2006/03/17 19:46:06 $
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*
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* Header file for 3d library
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*
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* $Log: 3d.h,v $
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* Revision 1.1.1.1 2006/03/17 19:46:06 zicodxx
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* initial import
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*
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* Revision 1.1.1.1 1999/06/14 22:02:03 donut
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* Import of d1x 1.37 source.
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*
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* Revision 1.2 1995/09/14 14:08:58 allender
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* return value for g3_draw_sphere
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*
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* Revision 1.1 1995/05/05 08:48:41 allender
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* Initial revision
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*
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*
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* except for functions implemented in interp.c
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*
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*/
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@ -43,7 +26,9 @@ COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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#include "gr.h"
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extern int g3d_interp_outline; //if on, polygon models outlined in white
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extern vms_vector Matrix_scale; //how the matrix is currently scaled
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extern short highest_texture_num;
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//Structure for storing u,v,light values. This structure doesn't have a
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@ -80,12 +65,12 @@ typedef struct g3s_codes {
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//Used to store rotated points for mines. Has frame count to indictate
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//if rotated, and flag to indicate if projected.
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typedef struct g3s_point {
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vms_vector p3_vec; //reference as vector...
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fix p3_u,p3_v,p3_l;
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vms_vector p3_vec; //x,y,z of rotated point
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fix p3_u,p3_v,p3_l; //u,v,l coords
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fix p3_sx,p3_sy; //screen x&y
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ubyte p3_codes; //clipping codes
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ubyte p3_flags; //projected?
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short p3_pad; //keep structure longwork aligned
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short p3_pad; //keep structure longword aligned
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} g3s_point;
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//macros to reference x,y,z elements of a 3d point
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@ -106,8 +91,6 @@ typedef struct g3s_object {
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//Functions in library
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//3d system startup and shutdown:
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//Frame setup functions:
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//start the frame
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@ -233,6 +216,7 @@ bool g3_draw_bitmap(vms_vector *pos,fix width,fix height,grs_bitmap *bm);
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//NULL for either or both restores defaults
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void g3_set_special_render(void (*tmap_drawer)(),void (*flat_drawer)(),int (*line_drawer)(fix, fix, fix, fix));
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#ifdef DXX_BUILD_DESCENT_I
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//Object functions:
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//gives the interpreter an array of points to use
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@ -253,6 +237,6 @@ int g3_poly_get_color(void *model_ptr);
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// routine to convert little to big endian in polygon model data
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void swap_polygon_model_data(ubyte *data);
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#endif
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#endif
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@ -1,219 +0,0 @@
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/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Header file for 3d library
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* except for functions implemented in interp.c
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*
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*/
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#ifndef _3D_H
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#define _3D_H
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#include "fix.h"
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#include "vecmat.h" //the vector/matrix library
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#include "gr.h"
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extern int g3d_interp_outline; //if on, polygon models outlined in white
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extern vms_vector Matrix_scale; //how the matrix is currently scaled
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extern short highest_texture_num;
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//Structure for storing u,v,light values. This structure doesn't have a
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//prefix because it was defined somewhere else before it was moved here
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typedef struct g3s_uvl {
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fix u,v,l;
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} g3s_uvl;
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//Structure for storing light color. Also uses l of g3s-uvl to add/compute mono (white) light
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typedef struct g3s_lrgb {
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fix r,g,b;
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} g3s_lrgb;
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//Stucture to store clipping codes in a word
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typedef struct g3s_codes {
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ubyte uor,uand; //or is low byte, and is high byte
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} g3s_codes;
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//flags for point structure
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#define PF_PROJECTED 1 //has been projected, so sx,sy valid
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#define PF_OVERFLOW 2 //can't project
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#define PF_TEMP_POINT 4 //created during clip
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#define PF_UVS 8 //has uv values set
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#define PF_LS 16 //has lighting values set
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//clipping codes flags
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#define CC_OFF_LEFT 1
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#define CC_OFF_RIGHT 2
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#define CC_OFF_BOT 4
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#define CC_OFF_TOP 8
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#define CC_BEHIND 0x80
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//Used to store rotated points for mines. Has frame count to indictate
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//if rotated, and flag to indicate if projected.
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typedef struct g3s_point {
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vms_vector p3_vec; //x,y,z of rotated point
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fix p3_u,p3_v,p3_l; //u,v,l coords
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fix p3_sx,p3_sy; //screen x&y
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ubyte p3_codes; //clipping codes
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ubyte p3_flags; //projected?
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short p3_pad; //keep structure longword aligned
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} g3s_point;
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//macros to reference x,y,z elements of a 3d point
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#define p3_x p3_vec.x
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#define p3_y p3_vec.y
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#define p3_z p3_vec.z
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//An object, such as a robot
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typedef struct g3s_object {
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vms_vector o3_pos; //location of this object
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vms_angvec o3_orient; //orientation of this object
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int o3_nverts; //number of points in the object
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int o3_nfaces; //number of faces in the object
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//this will be filled in later
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} g3s_object;
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//Functions in library
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//Frame setup functions:
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//start the frame
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void g3_start_frame(void);
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//set view from x,y,z & p,b,h, zoom. Must call one of g3_set_view_*()
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void g3_set_view_angles(vms_vector *view_pos,vms_angvec *view_orient,fix zoom);
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//set view from x,y,z, viewer matrix, and zoom. Must call one of g3_set_view_*()
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void g3_set_view_matrix(vms_vector *view_pos,vms_matrix *view_matrix,fix zoom);
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//end the frame
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void g3_end_frame(void);
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//draw a horizon
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void g3_draw_horizon(int sky_color,int ground_color);
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//get vectors that are edge of horizon
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int g3_compute_sky_polygon(fix *points_2d,vms_vector *vecs);
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//Instancing
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//instance at specified point with specified orientation
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void g3_start_instance_matrix(vms_vector *pos,vms_matrix *orient);
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//instance at specified point with specified orientation
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void g3_start_instance_angles(vms_vector *pos,vms_angvec *angles);
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//pops the old context
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void g3_done_instance();
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//Misc utility functions:
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//get current field of view. Fills in angle for x & y
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void g3_get_FOV(fixang *fov_x,fixang *fov_y);
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//get zoom. For a given window size, return the zoom which will achieve
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//the given FOV along the given axis.
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fix g3_get_zoom(char axis,fixang fov,short window_width,short window_height);
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//returns the normalized, unscaled view vectors
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void g3_get_view_vectors(vms_vector *forward,vms_vector *up,vms_vector *right);
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//returns true if a plane is facing the viewer. takes the unrotated surface
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//normal of the plane, and a point on it. The normal need not be normalized
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bool g3_check_normal_facing(vms_vector *v,vms_vector *norm);
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//Point definition and rotation functions:
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//specify the arrays refered to by the 'pointlist' parms in the following
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//functions. I'm not sure if we will keep this function, but I need
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//it now.
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//void g3_set_points(g3s_point *points,vms_vector *vecs);
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//returns codes_and & codes_or of a list of points numbers
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g3s_codes g3_check_codes(int nv,g3s_point **pointlist);
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//rotates a point. returns codes. does not check if already rotated
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ubyte g3_rotate_point(g3s_point *dest,const vms_vector *src);
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//projects a point
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void g3_project_point(g3s_point *point);
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//calculate the depth of a point - returns the z coord of the rotated point
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fix g3_calc_point_depth(vms_vector *pnt);
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//from a 2d point, compute the vector through that point
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void g3_point_2_vec(vms_vector *v,short sx,short sy);
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//code a point. fills in the p3_codes field of the point, and returns the codes
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ubyte g3_code_point(g3s_point *point);
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//delta rotation functions
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vms_vector *g3_rotate_delta_x(vms_vector *dest,fix dx);
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vms_vector *g3_rotate_delta_y(vms_vector *dest,fix dy);
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vms_vector *g3_rotate_delta_z(vms_vector *dest,fix dz);
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vms_vector *g3_rotate_delta_vec(vms_vector *dest,vms_vector *src);
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ubyte g3_add_delta_vec(g3s_point *dest,g3s_point *src,vms_vector *deltav);
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//Drawing functions:
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//draw a flat-shaded face.
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//returns 1 if off screen, 0 if drew
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bool g3_draw_poly(int nv,g3s_point **pointlist);
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//draw a texture-mapped face.
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//returns 1 if off screen, 0 if drew
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bool g3_draw_tmap(int nv,g3s_point **pointlist,g3s_uvl *uvl_list,g3s_lrgb *light_rgb,grs_bitmap *bm);
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//draw a sortof sphere - i.e., the 2d radius is proportional to the 3d
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//radius, but not to the distance from the eye
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int g3_draw_sphere(g3s_point *pnt,fix rad);
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//@@//return ligting value for a point
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//@@fix g3_compute_lighting_value(g3s_point *rotated_point,fix normval);
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//like g3_draw_poly(), but checks to see if facing. If surface normal is
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//NULL, this routine must compute it, which will be slow. It is better to
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//pre-compute the normal, and pass it to this function. When the normal
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//is passed, this function works like g3_check_normal_facing() plus
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//g3_draw_poly().
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//returns -1 if not facing, 1 if off screen, 0 if drew
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bool g3_check_and_draw_poly(int nv,g3s_point **pointlist,vms_vector *norm,vms_vector *pnt);
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bool g3_check_and_draw_tmap(int nv,g3s_point **pointlist,g3s_uvl *uvl_list,g3s_lrgb *light_rgb, grs_bitmap *bm,vms_vector *norm,vms_vector *pnt);
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//draws a line. takes two points.
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bool g3_draw_line(g3s_point *p0,g3s_point *p1);
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//draw a polygon that is always facing you
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//returns 1 if off screen, 0 if drew
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bool g3_draw_rod_flat(g3s_point *bot_point,fix bot_width,g3s_point *top_point,fix top_width);
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//draw a bitmap object that is always facing you
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//returns 1 if off screen, 0 if drew
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bool g3_draw_rod_tmap(grs_bitmap *bitmap,g3s_point *bot_point,fix bot_width,g3s_point *top_point,fix top_width,g3s_lrgb light);
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//draws a bitmap with the specified 3d width & height
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//returns 1 if off screen, 0 if drew
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bool g3_draw_bitmap(vms_vector *pos,fix width,fix height,grs_bitmap *bm);
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//specifies 2d drawing routines to use instead of defaults. Passing
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//NULL for either or both restores defaults
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void g3_set_special_render(void (*tmap_drawer)(),void (*flat_drawer)(),int (*line_drawer)(fix, fix, fix, fix));
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#endif
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