1 /*
2  * Copyright (C) Volition, Inc. 1999.  All rights reserved.
3  *
4  * All source code herein is the property of Volition, Inc. You may not sell
5  * or otherwise commercially exploit the source or things you created based on the
6  * source.
7  *
8 */
9 
10 #ifndef _MODELSINC_H
11 #define _MODELSINC_H
12 
13 
14 class polymodel;
15 
16 #ifndef MODEL_LIB
17 #pragma message ("This should only be used internally by the model library.  See John if you think you need to include this elsewhere.")
18 #endif
19 
20 #define OP_EOF 			0
21 #define OP_DEFPOINTS 	1
22 #define OP_FLATPOLY		2
23 #define OP_TMAPPOLY		3
24 #define OP_SORTNORM		4
25 #define OP_BOUNDBOX		5
26 
27 // change header for freespace2
28 //#define FREESPACE1_FORMAT
29 #define FREESPACE2_FORMAT
30 #if defined( FREESPACE1_FORMAT )
31 #elif defined ( FREESPACE2_FORMAT )
32 #else
33 	#error Neither FREESPACE1_FORMAT or FREESPACE2_FORMAT defined
34 #endif
35 
36 // endianess will be handled by cfile and others now, little-endian should be default in all cases
37 
38 // little-endian (Intel) IDs
39 #define POF_HEADER_ID  0x4f505350	// 'OPSP' (PSPO) POF file header
40 #if defined( FREESPACE1_FORMAT )
41 	// FREESPACE1 FORMAT
42 	#define ID_OHDR 0x5244484f			// RDHO (OHDR): POF file header
43 	#define ID_SOBJ 0x4a424f53			// JBOS (SOBJ): Subobject header
44 #else
45 	#define ID_OHDR 0x32524448			// 2RDH (HDR2): POF file header
46 	#define ID_SOBJ 0x324a424f			// 2JBO (OBJ2): Subobject header
47 #endif
48 #define ID_TXTR 0x52545854				// RTXT (TXTR): Texture filename list
49 #define ID_INFO 0x464e4950				// FNIP (PINF): POF file information, like command line, etc
50 #define ID_GRID 0x44495247				// DIRG (GRID): Grid information
51 #define ID_SPCL 0x4c435053				// LCPS (SPCL): Special object -- like a gun, missile, docking point, etc.
52 #define ID_PATH 0x48544150				// HTAP (PATH): A spline based path
53 #define ID_GPNT 0x544e5047				// TNPG (GPNT): gun points
54 #define ID_MPNT 0x544e504d				// TNPM (MPNT): missile points
55 #define ID_DOCK 0x4b434f44				// KCOD (DOCK): docking points
56 #define ID_TGUN 0x4e554754				// NUGT (TGUN): turret gun points
57 #define ID_TMIS 0x53494d54				// SIMT (TMIS): turret missile points
58 #define ID_FUEL 0x4c455546				// LEUF (FUEL): thruster points
59 #define ID_SHLD 0x444c4853				// DLHS (SHLD): shield definition
60 #define ID_EYE  0x20455945				//  EYE (EYE ): eye information
61 #define ID_INSG 0x47534e49				// GSNI (INSG): insignia information
62 #define ID_ACEN 0x4e454341				// NECA (ACEN): autocentering information
63 #define ID_GLOW 0x574f4c47				// WOLG (GLOW): glow points -Bobboau
64 #define ID_GLOX 0x584f4c47				// experimental glow points will be gone as soon as we get a proper pof editor -Bobboau
65 #define ID_SLDC 0x43444c53				// CDLS (SLDC): Shield Collision Tree
66 #define ID_SLC2 0x32434c53				// 2CLS (SLC2): Shield Collision Tree with ints instead of char - ShivanSpS
67 
68 #define uw(p)	(*((uint *) (p)))
69 #define w(p)	(*((int *) (p)))
70 #define wp(p)	((int *) (p))
71 #define vp(p)	((vec3d *) (p))
72 #define fl(p)	(*((float *) (p)))
73 
74 extern int model_interp(matrix * orient, ubyte * data, polymodel * pm );
75 
76 // Creates the octants for a given polygon model
77 void model_octant_create( polymodel * pm );
78 
79 // frees the memory the octants use for a given polygon model
80 void model_octant_free( polymodel * pm );
81 
82 void model_calc_bound_box( vec3d *box, vec3d *big_mn, vec3d *big_mx);
83 
84 void interp_clear_instance();
85 
86 // endian swapping stuff - tigital
87 void swap_bsp_data( polymodel *pm, void *model_ptr );
88 
89 // endian swapping stuff - kaz
90 void swap_sldc_data(ubyte *buffer);
91 
92 extern vec3d **Interp_verts;
93 
94 #endif
95