mirror of
https://github.com/TwilitRealm/dusklight.git
synced 2026-05-13 12:28:06 -07:00
Jeffrey Crowell
100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
#ifndef _ANGLE_UTILS_H_
|
|
#define _ANGLE_UTILS_H_
|
|
|
|
#include "global.h"
|
|
|
|
#define VAR_ADD(x, y) ((x) += (y))
|
|
#define VAR_SUB(x, y) ((x) -= (y))
|
|
#define VAR_MULT(x, y) ((x) *= (y))
|
|
|
|
#define VAR_ADD_CAST(x, y, t) ((x) += (t)(y))
|
|
#define VAR_SUB_CAST(x, y, t) ((x) -= (t)(y))
|
|
#define VAR_MULT_CAST(x, y, t) ((x) *= (t)(y))
|
|
|
|
#define S8_ADD(x, y) VAR_ADD_CAST(x, y, s8)
|
|
#define U8_ADD(x, y) VAR_ADD_CAST(x, y, u8)
|
|
#define S16_ADD(x, y) VAR_ADD_CAST(x, y, s16)
|
|
#define U16_ADD(x, y) VAR_ADD_CAST(x, y, u16)
|
|
#define S32_ADD(x, y) VAR_ADD_CAST(x, y, s32)
|
|
#define U32_ADD(x, y) VAR_ADD_CAST(x, y, u32)
|
|
|
|
#define S8_SUB(x, y) VAR_SUB_CAST(x, y, s8)
|
|
#define U8_SUB(x, y) VAR_SUB_CAST(x, y, u8)
|
|
#define S16_SUB(x, y) VAR_SUB_CAST(x, y, s16)
|
|
#define U16_SUB(x, y) VAR_SUB_CAST(x, y, u16)
|
|
#define S32_SUB(x, y) VAR_SUB_CAST(x, y, s32)
|
|
#define U32_SUB(x, y) VAR_SUB_CAST(x, y, u32)
|
|
|
|
#define S8_MULT(x, y) VAR_MULT_CAST(x, y, s8)
|
|
#define U8_MULT(x, y) VAR_MULT_CAST(x, y, u8)
|
|
#define S16_MULT(x, y) VAR_MULT_CAST(x, y, s16)
|
|
#define U16_MULT(x, y) VAR_MULT_CAST(x, y, u16)
|
|
#define S32_MULT(x, y) VAR_MULT_CAST(x, y, s32)
|
|
#define U32_MULT(x, y) VAR_MULT_CAST(x, y, u32)
|
|
|
|
#define ANGLE_ADD S16_ADD
|
|
#define ANGLE_SUB S16_SUB
|
|
#define ANGLE_MULT S16_MULT
|
|
|
|
// There are some angles that weren't sign-extended until the shield version
|
|
#if !PLATFORM_SHIELD
|
|
#define S8_ADD_2 VAR_ADD
|
|
#define U8_ADD_2 VAR_ADD
|
|
#define S16_ADD_2 VAR_ADD
|
|
#define U16_ADD_2 VAR_ADD
|
|
#define S32_ADD_2 VAR_ADD
|
|
#define U32_ADD_2 VAR_ADD
|
|
|
|
#define S8_SUB_2 VAR_SUB
|
|
#define U8_SUB_2 VAR_SUB
|
|
#define S16_SUB_2 VAR_SUB
|
|
#define U16_SUB_2 VAR_SUB
|
|
#define S32_SUB_2 VAR_SUB
|
|
#define U32_SUB_2 VAR_SUB
|
|
|
|
#define S8_MULT_2 VAR_MULT
|
|
#define U8_MULT_2 VAR_MULT
|
|
#define S16_MULT_2 VAR_MULT
|
|
#define U16_MULT_2 VAR_MULT
|
|
#define S32_MULT_2 VAR_MULT
|
|
#define U32_MULT_2 VAR_MULT
|
|
#else
|
|
#define S8_ADD_2 S8_ADD
|
|
#define U8_ADD_2 U8_ADD
|
|
#define S16_ADD_2 S16_ADD
|
|
#define U16_ADD_2 U16_ADD
|
|
#define S32_ADD_2 S32_ADD
|
|
#define U32_ADD_2 U32_ADD
|
|
|
|
#define S8_SUB_2 S8_SUB
|
|
#define U8_SUB_2 U8_SUB
|
|
#define S16_SUB_2 S16_SUB
|
|
#define U16_SUB_2 U16_SUB
|
|
#define S32_SUB_2 S32_SUB
|
|
#define U32_SUB_2 U32_SUB
|
|
|
|
#define S8_MULT_2 S8_MULT
|
|
#define U8_MULT_2 U8_MULT
|
|
#define S16_MULT_2 S16_MULT
|
|
#define U16_MULT_2 U16_MULT
|
|
#define S32_MULT_2 S32_MULT
|
|
#define U32_MULT_2 U32_MULT
|
|
#endif
|
|
|
|
#define ANGLE_ADD_2 S16_ADD_2
|
|
#define ANGLE_SUB_2 S16_SUB_2
|
|
#define ANGLE_MULT_2 S16_MULT_2
|
|
|
|
#if TARGET_PC
|
|
static inline s16 cAngle_degreeToS16(f32 deg) {
|
|
s32 angle = (s32)(deg * (0x8000 / 180.0f));
|
|
angle &= 0xFFFF;
|
|
if (angle >= 0x8000) {
|
|
angle -= 0x10000;
|
|
}
|
|
return (s16)angle;
|
|
}
|
|
#endif
|
|
|
|
#endif // !_ANGLE_UTILS_H_
|