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47 lines
1 KiB
C
47 lines
1 KiB
C
#ifndef __BASICS_H
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#define __BASICS_H
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#include <stddef.h>
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#include <stdint.h>
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//
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// fixed point, 32bit as 16.16.
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//
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#define FRACBITS 16
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#define FRACUNIT (1<<FRACBITS)
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typedef int32_t fixed_t;
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#define FIXED_MAX (signed)(0x7fffffff)
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#define FIXED_MIN (signed)(0x80000000)
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// the last remnants of tables.h
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#define ANGLE_90 (0x40000000)
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#define ANGLE_180 (0x80000000)
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#define ANGLE_270 (0xc0000000)
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#define ANGLE_MAX (0xffffffff)
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typedef uint32_t angle_t;
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#ifdef __GNUC__
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#define GCCPRINTF(stri,firstargi) __attribute__((format(printf,stri,firstargi)))
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#define GCCFORMAT(stri) __attribute__((format(printf,stri,0)))
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#define GCCNOWARN __attribute__((unused))
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#else
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#define GCCPRINTF(a,b)
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#define GCCFORMAT(a)
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#define GCCNOWARN
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#endif
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#ifndef MAKE_ID
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#ifndef __BIG_ENDIAN__
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#define MAKE_ID(a,b,c,d) ((uint32_t)((a)|((b)<<8)|((c)<<16)|((d)<<24)))
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#else
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#define MAKE_ID(a,b,c,d) ((uint32_t)((d)|((c)<<8)|((b)<<16)|((a)<<24)))
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#endif
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#endif
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using INTBOOL = int;
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using BITFIELD = uint32_t;
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#endif
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