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Diffstat (limited to 'arm9/lib/src/FX_mtx43.c')
-rw-r--r--arm9/lib/src/FX_mtx43.c200
1 files changed, 0 insertions, 200 deletions
diff --git a/arm9/lib/src/FX_mtx43.c b/arm9/lib/src/FX_mtx43.c
deleted file mode 100644
index 693dddff..00000000
--- a/arm9/lib/src/FX_mtx43.c
+++ /dev/null
@@ -1,200 +0,0 @@
-#include "global.h"
-#include "main.h"
-#include "fx.h"
-
-void MI_Copy48B(void *src, void *dst);
-
-
-ARM_FUNC void MTX_ScaleApply43(struct Mtx43 *mtx, struct Mtx43 *dst, fx32 x, fx32 y, fx32 z){
- //this works because matrices are indexed columns first
- MTX_ScaleApply33((struct Mtx33 *)mtx, (struct Mtx33 *)dst, x, y, z);
- dst->_[9] = mtx->_[9];
- dst->_[10] = mtx->_[10];
- dst->_[11] = mtx->_[11];
-}
-
-ARM_FUNC fx32 MTX_Inverse43(struct Mtx43 *mtx, struct Mtx43 *inv){
- struct Mtx43 tempmat;
- struct Mtx43 *dst;
- fx32 det0, det1, det2, det;
- fx32 var0, var1, var2, var3;
- if (mtx == inv)
- dst = &tempmat;
- else
- dst = inv;
- //subdeterminants
- det0 = (fx32)(((fx64)mtx->_[4] * mtx->_[8] - (fx64)mtx->_[5] * mtx->_[7] + (fx64)(1 << (FX32_INT_SHIFT - 1))) >> FX32_INT_SHIFT);
- det1 = (fx32)(((fx64)mtx->_[3] * mtx->_[8] - (fx64)mtx->_[5] * mtx->_[6] + (fx64)(1 << (FX32_INT_SHIFT - 1))) >> FX32_INT_SHIFT);
- det2 = (fx32)(((fx64)mtx->_[3] * mtx->_[7] - (fx64)mtx->_[4] * mtx->_[6] + (fx64)(1 << (FX32_INT_SHIFT - 1))) >> FX32_INT_SHIFT);
- //matrix determinant
- det = (fx32)(((fx64)mtx->_[0] * det0 - (fx64)mtx->_[1] * det1 + (fx64)mtx->_[2] * det2 + (fx64)(1 << (FX32_INT_SHIFT - 1))) >> FX32_INT_SHIFT);
-
- if (det == 0)
- return -1; //not invertible
-
- FX_InvAsync(det);
-
- var0 = (fx32)(((fx64)mtx->_[1] * mtx->_[8] - (fx64)mtx->_[7] * mtx->_[2]) >> FX32_INT_SHIFT);
- var1 = (fx32)(((fx64)mtx->_[1] * mtx->_[5] - (fx64)mtx->_[4] * mtx->_[2]) >> FX32_INT_SHIFT);
- var2 = (fx32)(((fx64)mtx->_[0] * mtx->_[8] - (fx64)mtx->_[6] * mtx->_[2]) >> FX32_INT_SHIFT);
- var3 = (fx32)(((fx64)mtx->_[0] * mtx->_[5] - (fx64)mtx->_[3] * mtx->_[2]) >> FX32_INT_SHIFT);
-
- fx32 ret = FX_GetDivResult();
- dst->_[0] = (fx32)(((fx64)ret * det0) >> FX32_INT_SHIFT);
- dst->_[1] = -(fx32)(((fx64)ret * var0) >> FX32_INT_SHIFT);
- dst->_[2] = (fx32)(((fx64)ret * var1) >> FX32_INT_SHIFT);
- dst->_[3] = -(fx32)(((fx64)ret * det1) >> FX32_INT_SHIFT);
- dst->_[4] = (fx32)(((fx64)ret * var2) >> FX32_INT_SHIFT);
- dst->_[5] = -(fx32)(((fx64)ret * var3) >> FX32_INT_SHIFT);
-
- dst->_[6] = (fx32)(((fx64)ret * det2) >> FX32_INT_SHIFT);
- fx32 temp = (fx32)(((fx64)mtx->_[0] * mtx->_[7] - (fx64)mtx->_[6] * mtx->_[1]) >> FX32_INT_SHIFT);
- dst->_[7] = -(fx32)(((fx64)ret * temp) >> FX32_INT_SHIFT);
- fx32 temp1 = (fx32)(((fx64)mtx->_[0] * mtx->_[4] - (fx64)mtx->_[3] * mtx->_[1]) >> FX32_INT_SHIFT);
- dst->_[8] = (fx32)(((fx64)ret * temp1) >> FX32_INT_SHIFT);
- dst->_[9] = -(fx32)(((fx64)dst->_[0] * mtx->_[9] + (fx64)dst->_[3] * mtx->_[10] + (fx64)dst->_[6] * mtx->_[11]) >> FX32_INT_SHIFT);
- dst->_[10] = -(fx32)(((fx64)dst->_[1] * mtx->_[9] + (fx64)dst->_[4] * mtx->_[10] + (fx64)dst->_[7] * mtx->_[11]) >> FX32_INT_SHIFT);
- dst->_[11] = -(fx32)(((fx64)dst->_[2] * mtx->_[9] + (fx64)dst->_[5] * mtx->_[10] + (fx64)dst->_[8] * mtx->_[11]) >> FX32_INT_SHIFT);
-
- if (dst == &tempmat)
- MI_Copy48B(&tempmat, inv);
- return 0;
-}
-
-ARM_FUNC void MTX_Concat43(struct Mtx43 *a, struct Mtx43 *b, struct Mtx43 *c){
- struct Mtx43 temp;
- struct Mtx43 *dst;
- fx32 a0, a1, a2;
- fx32 b0, b1, b2;
-
- if (c == b)
- dst = &temp;
- else
- dst = c;
-
- a0 = a->_[0];
- a1 = a->_[1];
- a2 = a->_[2];
- dst->_[0] = (fx32)(((fx64)a0 * b->_[0] + (fx64)a1 * b->_[3] + (fx64)a2 * b->_[6] ) >> FX32_INT_SHIFT);
- dst->_[1] = (fx32)(((fx64)a0 * b->_[1] + (fx64)a1 * b->_[4] + (fx64)a2 * b->_[7] ) >> FX32_INT_SHIFT);
- b0 = b->_[2];
- b1 = b->_[5];
- b2 = b->_[8];
- dst->_[2] = (fx32)(((fx64)a0 * b0 + (fx64)a1 * b1 + (fx64)a2 * b2) >> FX32_INT_SHIFT);
- a0 = a->_[3];
- a1 = a->_[4];
- a2 = a->_[5];
- dst->_[5] = (fx32)(((fx64)a0 * b0 + (fx64)a1 * b1 + (fx64)a2 * b2) >> FX32_INT_SHIFT);
- dst->_[4] = (fx32)(((fx64)a0 * b->_[1] + (fx64)a1 * b->_[4] + (fx64)a2 * b->_[7] ) >> FX32_INT_SHIFT);
- b0 = b->_[0];
- b1 = b->_[3];
- b2 = b->_[6];
- dst->_[3] = (fx32)(((fx64)a0 * b0 + (fx64)a1 * b1 + (fx64)a2 * b2) >> FX32_INT_SHIFT);
- a0 = a->_[6];
- a1 = a->_[7];
- a2 = a->_[8];
- dst->_[6] = (fx32)(((fx64)a0 * b0 + (fx64)a1 * b1 + (fx64)a2 * b2) >> FX32_INT_SHIFT);
- dst->_[7] = (fx32)(((fx64)a0 * b->_[1] + (fx64)a1 * b->_[4] + (fx64)a2 * b->_[7] ) >> FX32_INT_SHIFT);
- b0 = b->_[2];
- b1 = b->_[5];
- b2 = b->_[8];
- dst->_[8] = (fx32)(((fx64)a0 * b0 + (fx64)a1 * b1 + (fx64)a2 * b2) >> FX32_INT_SHIFT);
- a0 = a->_[9];
- a1 = a->_[10];
- a2 = a->_[11];
- dst->_[11] = (fx32)((((fx64)a0 * b0 + (fx64)a1 * b1 + (fx64)a2 * b2) >> FX32_INT_SHIFT) + b->_[11]);
- dst->_[10] = (fx32)((((fx64)a0 * b->_[1] + (fx64)a1 * b->_[4] + (fx64)a2 * b->_[7]) >> FX32_INT_SHIFT) + b->_[10]);
- dst->_[9] = (fx32)((((fx64)a0 * b->_[0] + (fx64)a1 * b->_[3] + (fx64)a2 * b->_[6]) >> FX32_INT_SHIFT) + b->_[9]);
- if (dst == &temp)
- *c = temp;
-}
-
-ARM_FUNC void MTX_MultVec43(struct Vecx32 *vec, struct Mtx43 *mtx, struct Vecx32 *dst){
- fx32 x, y, z;
- x = vec->x;
- y = vec->y;
- z = vec->z;
- dst->x = (fx32)(((fx64)x * mtx->_[0] + (fx64)y * mtx->_[3] + (fx64)z * mtx->_[6]) >> FX32_INT_SHIFT);
- dst->x += mtx->_[9];
- dst->y = (fx32)(((fx64)x * mtx->_[1] + (fx64)y * mtx->_[4] + (fx64)z * mtx->_[7]) >> FX32_INT_SHIFT);
- dst->y += mtx->_[10];
- dst->z = (fx32)(((fx64)x * mtx->_[2] + (fx64)y * mtx->_[5] + (fx64)z * mtx->_[8]) >> FX32_INT_SHIFT);
- dst->z += mtx->_[11];
-}
-
-ARM_FUNC asm void MTX_Identity43_(struct Mtx43 *mtx){
- mov r2, #0x1000
- mov r3, #0x0
- stmia r0!, {r2-r3}
- mov r1, #0x0
- stmia r0!, {r1,r3}
- stmia r0!, {r2-r3}
- stmia r0!, {r1,r3}
- stmia r0!, {r2-r3}
- stmia r0!, {r1,r3}
- bx lr
-}
-
-ARM_FUNC asm void MTX_Copy43To44_(struct Mtx43 *src, struct Mtx44 *dst){
- stmdb sp!, {r4}
- mov r12, #0x0
- ldmia r0!, {r2-r4}
- stmia r1!, {r2-r4,r12}
- ldmia r0!, {r2-r4}
- stmia r1!, {r2-r4,r12}
- ldmia r0!, {r2-r4}
- stmia r1!, {r2-r4,r12}
- mov r12, #0x1000
- ldmia r0!, {r2-r4}
- stmia r1!, {r2-r4,r12}
- ldmia sp!, {r4}
- bx lr
-}
-
-THUMB_FUNC asm void MTX_Scale43_(struct Mtx43 *dst, fx32 x, fx32 y, fx32 z){
- stmia r0!, {r1}
- mov r1, #0x0
- str r3, [r0, #0x1c]
- mov r3, #0x0
- stmia r0!, {r1,r3}
- stmia r0!, {r1-r3}
- mov r2, #0x0
- stmia r0!, {r1,r3}
- add r0, #0x4
- stmia r0!, {r1-r3}
- bx lr
-}
-
-THUMB_FUNC asm void MTX_RotX43_(struct Mtx43 *mtx, fx32 sinphi, fx32 cosphi){
- str r1, [r0, #0x14]
- neg r1, r1
- str r1, [r0, #0x1c]
- mov r1, #0x1
- lsl r1, r1, #0xc
- stmia r0!, {r1}
- mov r3, #0x0
- mov r1, #0x0
- stmia r0!, {r1,r3}
- stmia r0!, {r1-r2}
- str r1, [r0, #0x4]
- add r0, #0xc
- stmia r0!, {r2-r3}
- stmia r0!, {r1,r3}
- bx lr
-}
-
-THUMB_FUNC asm void MTX_RotY43_(struct Mtx43 *mtx, fx32 sinphi, fx32 cosphi){
- str r1, [r0, #0x18]
- mov r3, #0x0
- stmia r0!, {r2-r3}
- neg r1, r1
- stmia r0!, {r1,r3}
- mov r1, #0x1
- lsl r1, r1, #0xc
- stmia r0!, {r1,r3}
- add r0, #0x4
- mov r1, #0x0
- stmia r0!, {r1-r3}
- stmia r0!, {r1,r3}
- bx lr
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-23 01:39:39 +0000