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Amiga ACS 1998 #6
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descent
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polyobj.h
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1998-06-08
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/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
*/
/*
* $Source: f:/miner/source/main/rcs/polyobj.h $
* $Revision: 2.1 $
* $Author: john $
* $Date: 1995/02/27 18:21:54 $
*
* Header for polyobj.c, the polygon object code
*
* $Log: polyobj.h $
* Revision 2.1 1995/02/27 18:21:54 john
* Added extern for robot_points.
*
* Revision 2.0 1995/02/27 11:29:58 john
* New version 2.0, which has no anonymous unions, builds with
* Watcom 10.0, and doesn't require parsing BITMAPS.TBL.
*
* Revision 1.28 1995/01/12 12:10:16 adam
* *** empty log message ***
*
* Revision 1.27 1994/11/11 19:28:58 matt
* Added code to show low detail polygon models
*
* Revision 1.26 1994/11/10 14:03:05 matt
* Hacked in support for player ships with different textures
*
* Revision 1.25 1994/11/02 16:18:24 matt
* Moved draw_model_picture() out of editor
*
* Revision 1.24 1994/10/18 10:55:57 adam
* bumped MAX_POLYGON_OBJECTS up
*
* Revision 1.23 1994/10/17 21:35:01 matt
* Added support for new Control Center/Main Reactor
*
* Revision 1.22 1994/09/09 14:23:42 matt
* Added glow code to polygon models for engine glow
*
* Revision 1.21 1994/08/26 18:03:43 matt
* Added code to remap polygon model numbers by matching filenames
*
* Revision 1.20 1994/08/26 15:36:00 matt
* Made eclips usable on more than one object at a time
*
* Revision 1.19 1994/07/22 20:44:23 matt
* Killed unused fields in polygon model structure
*
* Revision 1.18 1994/06/16 17:52:11 matt
* Made submodels rotate around their centers, not their pivot points
*
* Revision 1.17 1994/06/14 12:22:05 matt
* Integrated with drive code, using #defines to switch versions
*
* Revision 1.16 1994/06/09 16:25:01 matt
* Fixed confusion with two constants, MAX_SUBOBJS & MAX_SUBMODELS, which
* were used for the same things, but had different values.
*
* Revision 1.15 1994/06/08 10:56:38 matt
* Improved debris: now get submodel size from new POF files; debris now has
* limited life; debris can now be blown up.
*
* Revision 1.14 1994/06/07 16:51:57 matt
* Made object lighting work correctly; changed name of Ambient_light to
* Dynamic_light; cleaned up polygobj object rendering a little.
*
* Revision 1.13 1994/05/26 21:08:59 matt
* Moved robot stuff out of polygon model and into robot_info struct
* Made new file, robot.c, to deal with robots
*
* Revision 1.12 1994/05/18 19:35:05 matt
* Added fields for the rest of the subobj data
*
* Revision 1.11 1994/05/16 16:17:13 john
* Bunch of stuff on my Inferno Task list May16-23
*
* Revision 1.10 1994/05/13 11:08:31 matt
* Added support for multiple gun positions on polygon models
*
* Revision 1.9 1994/04/29 09:18:04 matt
* Added support for multiple-piece explosions
*
* Revision 1.8 1994/04/28 18:44:18 matt
* Took out code for old-style (non-interpreted) objects.
*
* Revision 1.7 1994/03/25 16:54:38 matt
* draw_polygon_object() now takes pointer to animation data
*
* Revision 1.6 1994/03/15 17:44:33 matt
* Changed a bunch of names
*
* Revision 1.5 1994/03/07 20:02:29 matt
* Added pointer to normals in polyobj struct
* Added prototype for draw_polygon_object()
*
* Revision 1.4 1994/03/01 17:16:19 matt
* Lots of changes to support loadable binary ".pof" robot files
*
* Revision 1.3 1994/01/31 15:51:20 matt
* Added ptr for rgb table for robot colors
*
* Revision 1.2 1994/01/28 13:52:01 matt
* Added flesh to this previously skeletal file.
*
* Revision 1.1 1994/01/28 13:47:42 matt
* Initial revision
*
*
*/
#ifndef _POLYOBJ_H
#define _POLYOBJ_H
#include "vecmat.h"
#include "gr.h"
#include "3d.h"
#ifndef DRIVE
#include "robot.h"
#endif
#include "piggy.h"
#ifndef DRIVE
#define MAX_POLYGON_MODELS 85
#else
#define MAX_POLYGON_MODELS 300
#define MAX_SUBMODELS 10
#endif
//used to describe a polygon model
typedef struct polymodel {
int n_models;
int model_data_size;
ubyte *model_data;
int submodel_ptrs[MAX_SUBMODELS];
vms_vector submodel_offsets[MAX_SUBMODELS];
vms_vector submodel_norms[MAX_SUBMODELS]; //norm for sep plane
vms_vector submodel_pnts[MAX_SUBMODELS]; //point on sep plane
fix submodel_rads[MAX_SUBMODELS]; //radius for each submodel
ubyte submodel_parents[MAX_SUBMODELS]; //what is parent for each submodel
vms_vector submodel_mins[MAX_SUBMODELS];
vms_vector submodel_maxs[MAX_SUBMODELS];
vms_vector mins,maxs; //min,max for whole model
fix rad;
ubyte n_textures;
ushort first_texture;
ubyte simpler_model; //alternate model with less detail (0 if none, model_num+1 else)
// vms_vector min,max;
} polymodel;
//array of pointers to polygon objects
extern polymodel Polygon_models[];
//switch to simpler model when the object has depth
//greater than this value times its radius.
extern int Simple_model_threshhold_scale;
//how many polygon objects there are
extern int N_polygon_models;
//array of names of currently-loaded models
extern char Pof_names[MAX_POLYGON_MODELS][13];
init_polygon_models();
#ifndef DRIVE
int load_polygon_model(char *filename,int n_textures,int first_texture,robot_info *r);
#else
int load_polygon_model(char *filename,int n_textures,grs_bitmap ***textures);
#endif
//draw a polygon model
void draw_polygon_model(vms_vector *pos,vms_matrix *orient,vms_angvec *anim_angles,int model_num,int flags,fix light,fix *glow_values,bitmap_index alt_textures[]);
//fills in arrays gun_points & gun_dirs, returns the number of guns read
int read_model_guns(char *filename,vms_vector *gun_points, vms_vector *gun_dirs, int *gun_submodels);
//draws the given model in the current canvas. The distance is set to
//more-or-less fill the canvas. Note that this routine actually renders
//into an off-screen canvas that it creates, then copies to the current
//canvas.
draw_model_picture(int mn,vms_angvec *orient_angles);
#define MAX_POLYOBJ_TEXTURES 50
extern grs_bitmap *texture_list[MAX_POLYOBJ_TEXTURES];
extern bitmap_index texture_list_index[MAX_POLYOBJ_TEXTURES];
extern g3s_point robot_points[];
#endif