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11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
16 * Header for polyobj.c, the polygon object code
33 #define MAX_POLYGON_MODELS 200
35 //used to describe a polygon model
36 typedef struct polymodel {
40 int submodel_ptrs[MAX_SUBMODELS];
41 vms_vector submodel_offsets[MAX_SUBMODELS];
42 vms_vector submodel_norms[MAX_SUBMODELS]; // norm for sep plane
43 vms_vector submodel_pnts[MAX_SUBMODELS]; // point on sep plane
44 fix submodel_rads[MAX_SUBMODELS]; // radius for each submodel
45 ubyte submodel_parents[MAX_SUBMODELS]; // what is parent for each submodel
46 vms_vector submodel_mins[MAX_SUBMODELS];
47 vms_vector submodel_maxs[MAX_SUBMODELS];
48 vms_vector mins,maxs; // min,max for whole model
52 ubyte simpler_model; // alternate model with less detail (0 if none, model_num+1 else)
56 // array of pointers to polygon objects
57 extern polymodel Polygon_models[];
58 extern int D1Share_Polymodel_map[];
59 extern int D1_Polymodel_map[];
60 extern int D2Demo_Polymodel_map[];
62 // switch to simpler model when the object has depth
63 // greater than this value times its radius.
64 extern int Simple_model_threshhold_scale;
66 // how many polygon objects there are
67 extern int N_polygon_models;
70 // array of names of currently-loaded models
71 extern char Pof_names[MAX_POLYGON_MODELS][13];
73 void init_polygon_models(void);
76 int load_polygon_model(char *filename,int n_textures,int first_texture,robot_info *r);
78 int load_polygon_model(char *filename,int n_textures,grs_bitmap ***textures);
81 // draw a polygon model
82 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[]);
84 // fills in arrays gun_points & gun_dirs, returns the number of guns read
85 int read_model_guns(char *filename,vms_vector *gun_points, vms_vector *gun_dirs, int *gun_submodels);
87 // draws the given model in the current canvas. The distance is set to
88 // more-or-less fill the canvas. Note that this routine actually renders
89 // into an off-screen canvas that it creates, then copies to the current
91 void draw_model_picture(int mn,vms_angvec *orient_angles);
93 // free up a model, getting rid of all its memory
94 void free_model(polymodel *po);
96 #define MAX_POLYOBJ_TEXTURES 100
97 extern grs_bitmap *texture_list[MAX_POLYOBJ_TEXTURES];
98 extern bitmap_index texture_list_index[MAX_POLYOBJ_TEXTURES];
99 extern g3s_point robot_points[];
102 #define polymodel_read(pm, fp) cfread(pm, sizeof(polymodel), 1, fp)
103 #define polymodel_read_n(pm, n, fp) cfread(pm, sizeof(polymodel), n, fp)
106 * reads a polymodel structure from a CFILE
108 extern void polymodel_read(polymodel *pm, CFILE *fp);
111 * reads n polymodel structs from a CFILE
113 extern int polymodel_read_n(polymodel *pm, int n, CFILE *fp);
117 * routine which allocates, reads, and inits a polymodel's model_data
119 void polygon_model_data_read(polymodel *pm, CFILE *fp);
121 #endif /* _POLYOBJ_H */