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https://github.com/HarbourMasters/Starship.git
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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
#ifndef MACROS_H
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#define MACROS_H
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#include "alignment.h"
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#include "libc/math.h"
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#include <math.h>
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#define SCREEN_WIDTH 320
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#define SCREEN_HEIGHT 240
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// This should be part of a CVar
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#define SCREEN_MARGIN 0
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#define TIME_IN_SECONDS(x) (x * 30);
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#define CLAMP(x, min, max) ((x) < (min) ? (min) : (x) > (max) ? (max) : (x))
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#define CLAMP_MAX(x, max) ((x) > (max) ? (max) : (x))
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#define CLAMP_MIN(x, min) ((x) < (min) ? (min) : (x))
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#define RAND_FLOAT(max) (Rand_ZeroOne()*(max))
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#define RAND_INT(max) ((s32)(Rand_ZeroOne()*(max)))
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#define RAND_FLOAT_CENTERED(width) ((Rand_ZeroOne()-0.5f)*(width))
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#define RAND_DOUBLE_CENTERED(width) ((Rand_ZeroOne()-0.5)*(width))
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#define RAND_RANGE(min, max) (((max) - (min)) * (Rand_ZeroOne() - (min) / ((min) - (max))))
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#define RAND_FLOAT_SEEDED(max) (Rand_ZeroOneSeeded()*(max))
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#define RAND_INT_SEEDED(max) ((s32)(Rand_ZeroOneSeeded()*(max)))
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#define RAND_FLOAT_CENTERED_SEEDED(width) ((Rand_ZeroOneSeeded()-0.5f)*(width))
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#define SEGMENTED_TO_VIRTUAL(segment) LOAD_ASSET(segment)
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#define ARRAY_COUNT(arr) (s32)(sizeof(arr) / sizeof(arr[0]))
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#define ARRAY_COUNTU(arr) (u32)(sizeof(arr) / sizeof(arr[0]))
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#define SIGN_OF(x) (((x) > 0) ? 1 : ((x) == 0) ? 0 : -1)
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#define SQ(x) ((x) * (x))
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#define CUBE(x) ((x) * (x) * (x))
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#define DOT_XYZ(v1Ptr, v2Ptr) ((v1Ptr)->x * (v2Ptr)->x + (v1Ptr)->y * (v2Ptr)->y + (v1Ptr)->z * (v2Ptr)->z)
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#define VEC3F_MAG(vecPtr) sqrtf(DOT_XYZ(vecPtr, vecPtr))
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#define ABS(x) ((x) >= 0 ? (x) : -(x))
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#define ABSF(x) ((x) >= 0.0f ? (x) : -(x))
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#define ROUND(float) ((s32)((float)+0.5f))
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#define RAD_TO_DEG(radians) (((radians) * 180.0f) / M_PI)
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#define DEG_TO_RAD(degrees) (((degrees) / 180.0f) * M_PI)
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extern f32 SIN_DEG(f32 angle);
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extern f32 COS_DEG(f32 angle);
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#define USEC_TO_CYCLES(n) (((u64)(n)*(OS_CLOCK_RATE/15625LL))/(1000000LL/15625LL))
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#define MSEC_TO_CYCLES(n) (USEC_TO_CYCLES((n) * 1000LL))
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#define CYCLES_TO_USEC(c) (((u64)(c)*(1000000LL/15625LL))/(OS_CLOCK_RATE/15625LL))
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#define CYCLES_TO_MSEC(c) ((s32)CYCLES_TO_USEC(c)/1000)
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#define CYCLES_TO_MSEC_PC(c) (CYCLES_TO_USEC(c)/1000)
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#define UNPACK_BYTE(data, bytenum) (((data) & (0xFF << ((bytenum) * 8))) >> ((bytenum) * 8))
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/*
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* Macros for libultra
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*/
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#if defined(__sgi)
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#define PRINTF
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#else
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#define PRINTF(...)
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#endif
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#define ALIGNED(x) __attribute__((aligned(x)))
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#define ARRLEN(x) ((s32)(sizeof(x) / sizeof(x[0])))
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#define STUBBED_PRINTF(x) ((void)(x))
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#define UNUSED __attribute__((unused))
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#ifndef __GNUC__
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#define __attribute__(x)
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#endif
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#if defined(_WIN32)
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#define ALIGN_ASSET(x) __declspec(align(x))
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#else
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#define ALIGN_ASSET(x) __attribute__((aligned (x)))
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#endif
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#endif // MACROS_H
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