mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-07-04 12:09:54 -04:00
Ryan Dwyer
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
#include <ultra64.h>
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#include "constants.h"
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#include "bss.h"
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#include "lib/rng.h"
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#include "data.h"
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#include "types.h"
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void mtxF2LBulk(Mtxf *mtx, s32 count)
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{
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do {
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u32 m00 = (s32) (mtx->m[0][0] * var8005ef10[0]);
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u32 m01 = (s32) (mtx->m[0][1] * var8005ef10[0]);
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u32 m02 = (s32) (mtx->m[0][2] * var8005ef10[0]);
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u32 m03 = (s32) (mtx->m[0][3] * var8005ef10[1]);
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u32 m10 = (s32) (mtx->m[1][0] * var8005ef10[0]);
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u32 m11 = (s32) (mtx->m[1][1] * var8005ef10[0]);
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u32 m12 = (s32) (mtx->m[1][2] * var8005ef10[0]);
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u32 m13 = (s32) (mtx->m[1][3] * var8005ef10[1]);
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u32 m20 = (s32) (mtx->m[2][0] * var8005ef10[0]);
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u32 m21 = (s32) (mtx->m[2][1] * var8005ef10[0]);
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u32 m22 = (s32) (mtx->m[2][2] * var8005ef10[0]);
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u32 m23 = (s32) (mtx->m[2][3] * var8005ef10[1]);
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u32 m30 = (s32) (mtx->m[3][0] * var8005ef10[0]);
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u32 m31 = (s32) (mtx->m[3][1] * var8005ef10[0]);
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u32 m32 = (s32) (mtx->m[3][2] * var8005ef10[0]);
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u32 m33 = (s32) (mtx->m[3][3] * var8005ef10[1]);
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mtx->l[0][0] = (m00 & 0xffff0000) | m01 >> 16;
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mtx->l[0][1] = (m02 & 0xffff0000) | m03 >> 16;
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mtx->l[0][2] = (m10 & 0xffff0000) | m11 >> 16;
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mtx->l[0][3] = (m12 & 0xffff0000) | m13 >> 16;
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mtx->l[1][0] = (m20 & 0xffff0000) | m21 >> 16;
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mtx->l[1][1] = (m22 & 0xffff0000) | m23 >> 16;
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mtx->l[1][2] = (m30 & 0xffff0000) | m31 >> 16;
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mtx->l[1][3] = (m32 & 0xffff0000) | m33 >> 16;
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mtx->l[2][0] = m00 << 16 | (m01 & 0xffff);
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mtx->l[2][1] = m02 << 16 | (m03 & 0xffff);
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mtx->l[2][2] = m10 << 16 | (m11 & 0xffff);
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mtx->l[2][3] = m12 << 16 | (m13 & 0xffff);
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mtx->l[3][0] = m20 << 16 | (m21 & 0xffff);
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mtx->l[3][1] = m22 << 16 | (m23 & 0xffff);
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mtx->l[3][2] = m30 << 16 | (m31 & 0xffff);
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mtx->l[3][3] = m32 << 16 | (m33 & 0xffff);
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mtx++;
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count--;
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} while (count);
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}
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