1 /*- BSP.H ------------------------------------------------------------------*/
2 
3 #include <stdio.h>
4 #include <stdlib.h>
5 #include <string.h>
6 #include <stdarg.h>
7 #include <ctype.h>
8 #include <math.h>
9 #include <limits.h>
10 #include <assert.h>
11 
12 #if defined(MSDOS) || defined(__MSDOS__)
13 #include <dos.h>
14 #endif
15 #ifdef __TURBOC__
16 #include <alloc.h>
17 #endif
18 
19 /* cph - from FreeBSD math.h: */
20 #ifndef M_PI
21 #define M_PI 3.14159265358979323846
22 #endif
23 
24 /*- boolean constants ------------------------------------------------------*/
25 
26 #define TRUE			1
27 #define FALSE			0
28 
29 /*- The function prototypes ------------------------------------------------*/
30 
31 #undef max
32 #define max(a,b) (((a)>(b))?(a):(b))
33 
34 /*- print a resource name by printing first 8 characters --*/
35 
36 #define Printname(dir) printf("%-8.8s",(dir)->name)
37 
38 /*- Global functions & variables ------------------------------------------*/
39 
40 /* blockmap.c */
41 void CreateBlockmap_old(const bbox_t bbox);
42 void CreateBlockmap_compressed(const bbox_t bbox);
43 extern void (*CreateBlockmap)(const bbox_t bbox);
44 
45 /* bsp.c */
46 void progress(void);
47 void FindLimits(struct Seg *, bbox_t box);
48 int SplitDist(struct Seg *ts);
49 
50 extern const char *unlinkwad;
51 
52 struct lumplist *FindDir(const char *);
53 void* ReadLump(struct lumplist *l);
54 void add_lump(const char *name, void *data, size_t length);
55 
56 /* endian.c */
57 
58 void ConvertAll(void);
59 void ConvertVertex(void);
60 void ConvertLinedef(void);
61 void ConvertSidedef(void);
62 void ConvertSector(void);
63 
64 void swapshort(uint16_t *i);
65 void swaplong(uint32_t *l);
66 void swapint(unsigned int *l);
67 
68 /* funcs.c */
69 extern int verbosity;
70 void Verbose(const char*, ...)  __attribute__((format(printf,1,2)));
71 void ProgError(const char *, ...) __attribute__((format(printf,1,2), noreturn));
72 void* GetMemory(size_t) __attribute__((warn_unused_result, malloc));
73 void* ResizeMemory(void *, size_t) __attribute__((warn_unused_result));
74 
75 /* level.c */
76 
77 void DoLevel(const char *current_level_name, struct lumplist * current_level);
78 
79 extern struct Vertex *vertices;
80 extern long num_verts;
81 
82 extern struct LineDef *linedefs;
83 extern long num_lines;
84 
85 extern struct SideDef *sidedefs;
86 extern long num_sides;
87 
88 extern struct Sector *sectors;
89 extern long num_sects;
90 
91 extern struct SSector *ssectors;
92 extern long num_ssectors;
93 
94 extern struct Pseg *psegs;
95 extern long num_psegs;
96 
97 extern long num_nodes;
98 
99 extern unsigned char *SectorHits;
100 
101 extern long psx,psy,pex,pey,pdx,pdy;
102 extern long lsx,lsy,lex,ley;
103 
104 /* makenode.c */
105 struct Node *CreateNode(struct Seg *, const bbox_t bbox);
106 unsigned ComputeAngle(int,int);
107 
108 /* picknode.c */
109 extern int factor;
110 
111 struct Seg *PickNode_traditional(struct Seg *, const bbox_t bbox);
112 struct Seg *PickNode_visplane(struct Seg *, const bbox_t bbox);
113 extern struct Seg *(*PickNode)(struct Seg *, const bbox_t bbox);
114 int DoLinesIntersect(void);
115 void ComputeIntersection(short int *outx,short int *outy);
116 
117 /* malloc edbugging with dmalloc */
118 #ifdef WITH_DMALLOC
119 #include <dmalloc.h>
120 
121 #define GetMemory malloc
122 #define ResizeMemory realloc
123 
124 #endif
125 
126 /*------------------------------- end of file ------------------------------*/
127