mirror/tp
1
0
Fork 0
mirror of https://github.com/zeldaret/tp synced 2026-05-23 06:54:28 -04:00
Code Issues Packages Projects Releases Wiki Activity
Files
ee09fdf9158ba4fb7b28c914acd9af19ff8e7186
tp/src/SSystem/SComponent/c_lib.cpp
T
TakaRikka ee09fdf915 e_hzelda mostly done (#2258)
2024-12-06 16:47:30 +02:00

567 lines
18 KiB
C++
Raw Blame History

/**
* c_lib.cpp
*
*/
#include "SSystem/SComponent/c_lib.h"
#include "string.h"
#include "SSystem/SComponent/c_math.h"
/* 8026F93C-8026F95C 26A27C 0020+00 0/0 3/3 0/0 .text cLib_memCpy__FPvPCvUl */
/**
* Copies a source block of memory to a destination block of memory
* @param dst Pointer to destination memory
* @param src Pointer to source data to be copied
* @param num Number of bytes to copy
*/
void cLib_memCpy(void* dst, const void* src, unsigned long num) {
memcpy(dst, src, num);
}
/* 8026F95C-8026F97C 26A29C 0020+00 0/0 4/4 0/0 .text cLib_memSet__FPviUl */
/**
* Sets the first num bytes of given block of memory to specified value
* @param ptr Pointer to block of memory
* @param value Value to be set
* @param num Number of bytes to set
*/
void cLib_memSet(void* ptr, int value, unsigned long num) {
memset(ptr, value, num);
}
/* 8026F97C-8026FA3C 26A2BC 00C0+00 0/0 50/50 178/178 .text cLib_addCalc__FPfffff */
/**
* Changes value by step towards target. Step amount is clamped between a min and max, and
* scaled as a fraction of the remaining distance.
* @param pvalue Pointer to value to change
* @param target Target to move value towards
* @param scale Fraction of remaining distance to scale step by
* @param maxStep Maximum step amount
* @param minStep Minimum step amount
* @return The absolute value of remaining distance to target
*/
f32 cLib_addCalc(f32* pvalue, f32 target, f32 scale, f32 maxStep, f32 minStep) {
if (*pvalue != target) {
f32 step = scale * (target - *pvalue);
if (step >= minStep || step <= -minStep) {
if (step > maxStep) {
step = maxStep;
}
if (step < -maxStep) {
step = -maxStep;
}
*pvalue += step;
} else {
if (step > 0) {
if (step < minStep) {
*pvalue += minStep;
if (*pvalue > target) {
*pvalue = target;
}
}
} else {
minStep = -minStep;
if (step > minStep) {
*pvalue += minStep;
if (*pvalue < target) {
*pvalue = target;
}
}
}
}
}
return fabsf(target - *pvalue);
}
/* 8026FA3C-8026FA80 26A37C 0044+00 0/0 20/20 701/701 .text cLib_addCalc2__FPffff */
/**
* Changes value by step towards target. Step amount is clamped between a max and -max, and
* scaled as a fraction of the remaining distance.
* @param pvalue Pointer to value to change
* @param target Target to move value towards
* @param scale Fraction of remaining distance to scale step by
* @param maxStep Maximum (+/-) step amount
*/
void cLib_addCalc2(f32* pvalue, f32 target, f32 scale, f32 maxStep) {
if (*pvalue != target) {
f32 step = scale * (target - *pvalue);
if (step > maxStep) {
step = maxStep;
} else if (step < -maxStep) {
step = -maxStep;
}
*pvalue += step;
}
}
/* 8026FA80-8026FAB8 26A3C0 0038+00 0/0 2/2 322/322 .text cLib_addCalc0__FPfff */
/**
* Changes value by step towards zero. Step amount is clamped between a max and -max, and
* scaled as a fraction of the remaining distance.
* @param pvalue Pointer to value to change
* @param scale Fraction of remaining distance to scale step by
* @param maxStep Maximum (+/-) step amount
*/
void cLib_addCalc0(f32* pvalue, f32 scale, f32 maxStep) {
f32 step = *pvalue * scale;
if (step > maxStep) {
step = maxStep;
} else if (step < -maxStep) {
step = -maxStep;
}
*pvalue -= step;
}
/* 8026FAB8-8026FDF4 26A3F8 033C+00 0/0 3/3 78/78 .text cLib_addCalcPos__FP4cXyzRC4cXyzfff */
/**
* Changes position by step towards target position. Step amount is clamped between a min and max,
* and scaled as a fraction of the remaining distance.
* @param ppos Pointer to position to change
* @param target Target position to move towards
* @param scale Fraction of remaining distance to scale step by
* @param maxStep Maximum step amount
* @param minStep Minimum step amount
* @return The absolute value of remaining distance to target
*/
f32 cLib_addCalcPos(cXyz* ppos, const cXyz& target, f32 scale, f32 maxStep, f32 minStep) {
if (*ppos != target) {
cXyz diff = (*ppos - target);
f32 step = diff.abs();
if (step < minStep) {
*ppos = target;
} else {
step *= scale;
diff *= scale;
if (!cLib_IsZero(step)) {
if (step > maxStep) {
diff *= (maxStep / step);
} else if (step < minStep) {
diff *= (minStep / step);
}
*ppos -= diff;
} else {
*ppos = target;
}
}
}
return ppos->abs(target);
}
/* 8026FDF4-80270178 26A734 0384+00 0/0 1/1 4/4 .text cLib_addCalcPosXZ__FP4cXyzRC4cXyzfff */
/**
* Changes position's X/Z components by step towards target position. Step amount is clamped
* between a min and max, and scaled as a fraction of the remaining distance.
* @param ppos Pointer to position to change
* @param target Target position to move towards
* @param scale Fraction of remaining distance to scale step by
* @param maxStep Maximum step amount
* @param minStep Minimum step amount
* @return The absolute value of remaining distance to target
*/
f32 cLib_addCalcPosXZ(cXyz* ppos, const cXyz& target, f32 scale, f32 maxStep, f32 minStep) {
if (ppos->x != target.x || ppos->z != target.z) {
cXyz diff = (*ppos - target);
f32 step = diff.absXZ();
if (step < minStep) {
ppos->x = target.x;
ppos->z = target.z;
} else {
step *= scale;
diff *= scale;
if (!cLib_IsZero(step)) {
if (step > maxStep) {
diff *= (maxStep / step);
} else if (step < minStep) {
diff *= (minStep / step);
}
ppos->x -= diff.x;
ppos->z -= diff.z;
} else {
ppos->x = target.x;
ppos->z = target.z;
}
}
}
return (*ppos - target).absXZ();
}
/* 80270178-80270350 26AAB8 01D8+00 0/0 2/2 33/33 .text cLib_addCalcPos2__FP4cXyzRC4cXyzff */
/**
* Changes position by step towards target position. Step amount is clamped between a max and -max
* and scaled as a fraction of the remaining distance.
* @param ppos Pointer to position to change
* @param target Target position to move value towards
* @param scale Fraction of remaining distance to scale step by
* @param maxStep Maximum (+/-) step amount
*/
void cLib_addCalcPos2(cXyz* ppos, const cXyz& target, f32 scale, f32 maxStep) {
if (*ppos != target) {
cXyz diff = (*ppos - target) * scale;
if (diff.abs() > maxStep) {
diff = diff.normZP();
diff *= maxStep;
}
*ppos -= diff;
}
}
/* 80270350-80270540 26AC90 01F0+00 0/0 0/0 4/4 .text cLib_addCalcPosXZ2__FP4cXyzRC4cXyzff */
/**
* Changes position's X/Z components by step towards target position. Step amount is clamped between
* a max and -max and scaled as a fraction of the remaining distance.
* @param ppos Pointer to position to change
* @param target Target position to move value towards
* @param scale Fraction of remaining distance to scale step by
* @param maxStep Maximum (+/-) step amount
*/
void cLib_addCalcPosXZ2(cXyz* ppos, const cXyz& target, f32 scale, f32 maxStep) {
if (ppos->x != target.x || ppos->z != target.z) {
cXyz diff = (*ppos - target) * scale;
f32 step = diff.absXZ();
if (!cLib_IsZero(step)) {
if (step > maxStep) {
diff *= (maxStep / step);
}
ppos->x -= diff.x;
ppos->z -= diff.z;
}
}
}
/* 80270540-80270608 26AE80 00C8+00 0/0 81/81 244/244 .text cLib_addCalcAngleS__FPsssss
*/
/**
* Changes angle value by step towards target. Step amount is clamped between a min and max, and
* scaled as a fraction of the remaining distance.
* @param pvalue Pointer to angle value to change
* @param target Target angle to move value towards
* @param scale Fraction of remaining distance to scale step by
* @param maxStep Maximum step amount
* @param minStep Minimum step amount
* @return The remaining distance to target
*/
s16 cLib_addCalcAngleS(s16* pvalue, s16 target, s16 scale, s16 maxStep, s16 minStep) {
s16 diff = target - *pvalue;
if (*pvalue != target) {
s16 step = (diff) / scale;
if (step > minStep || step < -minStep) {
if (step > maxStep) {
step = maxStep;
}
if (step < -maxStep) {
step = -maxStep;
}
*pvalue += step;
} else {
if (0 <= diff) {
*pvalue += minStep;
diff = target - *pvalue;
if (0 >= diff) {
*pvalue = target;
}
} else {
*pvalue -= minStep;
diff = target - *pvalue;
if (0 <= diff) {
*pvalue = target;
}
}
}
}
return target - *pvalue;
}
/* 80270608-8027065C 26AF48 0054+00 0/0 2/2 849/849 .text cLib_addCalcAngleS2__FPssss */
/**
* Changes angle value by step towards target angle. Step amount is clamped between a max and -max
* and scaled as a fraction of the remaining distance.
* @param pvalue Pointer to angle value to change
* @param target Target angle to move value towards
* @param scale Fraction of remaining distance to scale step by
* @param maxStep Maximum (+/-) step amount
*/
void cLib_addCalcAngleS2(s16* pvalue, s16 target, s16 scale, s16 maxStep) {
s16 diff = target - *pvalue;
s16 step = diff / scale;
if (step > maxStep) {
*pvalue += maxStep;
} else if (step < -maxStep) {
*pvalue -= maxStep;
} else {
*pvalue += step;
}
}
/* 8027065C-802706D0 26AF9C 0074+00 0/0 3/3 14/14 .text cLib_chaseUC__FPUcUcUc */
/**
* Changes unsigned char value by step towards target
* @param pvalue Pointer to value to change
* @param target Target to move value towards
* @param step Step amount
* @return TRUE when target is reached, FALSE otherwise
*/
int cLib_chaseUC(u8* pvalue, u8 target, u8 step) {
if (step) {
s16 wideValue = *pvalue;
s16 wideTarget = target;
s16 wideStep;
if (wideValue > wideTarget) {
wideStep = -step;
} else {
wideStep = step;
}
wideValue += wideStep;
if (wideStep * (wideValue - wideTarget) >= 0) {
*pvalue = target;
return 1;
} else {
*pvalue = wideValue;
}
} else if (*pvalue == target) {
return 1;
}
return 0;
}
/* 802706D0-80270740 26B010 0070+00 0/0 4/4 49/49 .text cLib_chaseS__FPsss */
/**
* Changes signed short value by step towards target
* @param pvalue Pointer to value to change
* @param target Target to move value towards
* @param step Step amount
* @return TRUE when target is reached, FALSE otherwise
*/
int cLib_chaseS(s16* pvalue, s16 target, s16 step) {
if (step) {
if (*pvalue > target) {
step = -step;
}
*pvalue += step;
if (step * (*pvalue - target) >= 0) {
*pvalue = target;
return 1;
}
} else if (*pvalue == target) {
return 1;
}
return 0;
}
/* 80270740-802707AC 26B080 006C+00 0/0 70/70 448/448 .text cLib_chaseF__FPfff */
/**
* Changes float value by step towards target
* @param pvalue Pointer to value to change
* @param target Target to move value towards
* @param step Step amount
* @return TRUE when target is reached, FALSE otherwise
*/
int cLib_chaseF(f32* pvalue, f32 target, f32 step) {
if (step) {
if (*pvalue > target) {
step = -step;
}
*pvalue += step;
if (step * (*pvalue - target) >= 0) {
*pvalue = target;
return 1;
}
} else if (*pvalue == target) {
return 1;
}
return 0;
}
/* 802707AC-80270990 26B0EC 01E4+00 0/0 3/3 60/60 .text cLib_chasePos__FP4cXyzRC4cXyzf */
/**
* Changes position by step towards target
* @param pvalue Pointer to position to change
* @param target Target position to move towards
* @param step Step amount
* @return TRUE when target is reached, FALSE otherwise
*/
int cLib_chasePos(cXyz* pvalue, const cXyz& target, f32 step) {
if (step) {
cXyz diff = *pvalue - target;
f32 diffF = diff.abs();
if (cLib_IsZero(diffF) || diffF <= step) {
*pvalue = target;
return 1;
}
*pvalue -= diff * (step / diffF);
} else if (*pvalue == target) {
return 1;
}
return 0;
}
/* 80270990-80270B90 26B2D0 0200+00 0/0 1/0 19/19 .text cLib_chasePosXZ__FP4cXyzRC4cXyzf
*/
/**
* Changes position's X/Z components by step towards target
* @param pvalue Pointer to position to change
* @param target Target position to move towards
* @param step Step amount
* @return TRUE when target is reached, FALSE otherwise
*/
int cLib_chasePosXZ(cXyz* pvalue, const cXyz& target, f32 step) {
cXyz diff = *pvalue - target;
diff.y = 0;
f32 diffF = diff.absXZ();
if (step) {
if (cLib_IsZero(diffF) || diffF <= step) {
*pvalue = target;
return 1;
}
*pvalue -= diff * (step / diffF);
} else if (cLib_IsZero(diffF)) {
return 1;
}
return 0;
}
/* 80270B90-80270C04 26B4D0 0074+00 0/0 4/4 213/213 .text cLib_chaseAngleS__FPsss */
/**
* Changes angle value by step towards target
* @param pvalue Pointer to value to change
* @param target Target to move value towards
* @param step Step amount
* @return TRUE when target is reached, FALSE otherwise
*/
int cLib_chaseAngleS(s16* pvalue, s16 target, s16 step) {
if (step) {
if ((s16)(*pvalue - target) > 0) {
step = -step;
}
*pvalue += step;
if (step * (s16)(*pvalue - target) >= 0) {
*pvalue = target;
return 1;
}
} else if (*pvalue == target) {
return 1;
}
return 0;
}
/* 80270C04-80270C3C 26B544 0038+00 0/0 39/39 454/454 .text cLib_targetAngleY__FPC3VecPC3Vec */
/**
* Gets the target y-angle from position A to position B
* @param lhs Pointer to position A
* @param rhs Pointer to position B
* @return Y-angle from position A to position B
*/
s16 cLib_targetAngleY(const Vec* lhs, const Vec* rhs) {
return cM_atan2s(rhs->x - lhs->x, rhs->z - lhs->z);
}
/* 80270C3C-80270C74 26B57C 0038+00 0/0 0/0 7/7 .text cLib_targetAngleY__FRC3VecRC3Vec */
/**
* Gets the target y-angle from position A to position B
* @param lhs Reference to position A
* @param rhs Reference to position B
* @return Y-angle from position A to position B
*/
s16 cLib_targetAngleY(const Vec& lhs, const Vec& rhs) {
return cM_atan2s(rhs.x - lhs.x, rhs.z - lhs.z);
}
/* 80270C74-80270DC0 26B5B4 014C+00 0/0 2/2 109/109 .text cLib_targetAngleX__FPC4cXyzPC4cXyz */
/**
* Gets the target x-angle from position A to position B
* @param lhs Pointer to position A
* @param rhs Pointer to position B
* @return X-Angle from position A to position B
*/
s16 cLib_targetAngleX(cXyz const* lhs, cXyz const* rhs) {
cXyz diff = *rhs - *lhs;
f32 f1 = sqrtf(diff.getMagXZ());
return cM_atan2s(diff.y, f1);
}
/* 80270DC0-80270E24 26B700 0064+00 0/0 2/2 118/118 .text cLib_offsetPos__FP4cXyzPC4cXyzsPC4cXyz
*/
/**
* Adds an offset to a source position in a given angle direction and places the result in pdest
* @param pdest The resulting position
* @param psrc The source position
* @param angle The direction to offset psrc in
* @param vec The offset cXyz to add to psrc
*/
void cLib_offsetPos(cXyz* pdest, cXyz const* psrc, s16 angle, cXyz const* vec) {
f32 cos = cM_scos(angle);
f32 sin = cM_ssin(angle);
pdest->x = psrc->x + (vec->x * cos + vec->z * sin);
pdest->y = psrc->y + vec->y;
pdest->z = psrc->z + (vec->z * cos - vec->x * sin);
}
/* 80270E24-80270E4C 26B764 0028+00 0/0 48/48 71/71 .text cLib_distanceAngleS__Fss */
/**
* Gets the target x-angle from position A to position B
* @param lhs Pointer to position A
* @param rhs Pointer to position B
* @return X-Angle from position A to position B
*/
s32 cLib_distanceAngleS(s16 x, s16 y) {
return abs(static_cast<s16>(x - y));
}
/* 80430DB8-80430F98 05DAD8 01E0+00 2/1 0/0 0/0 .bss mtx */
static Mtx mtx[10];
/* 80450768-80450770 -00001 0004+04 6/6 2/2 695/695 .sdata calc_mtx */
Mtx* calc_mtx = mtx;
/* 80270E4C-80270E5C 26B78C 0010+00 0/0 1/1 0/0 .text MtxInit__Fv */
/**
* Initializes calc_mtx to mtx stack
*/
void MtxInit() {
calc_mtx = mtx;
}
/* 80270E5C-80270EA4 26B79C 0048+00 0/0 0/0 43/43 .text MtxTrans__FfffUc */
void MtxTrans(f32 x_trans, f32 y_trans, f32 z_trans, u8 param_3) {
if (param_3 == 0) {
MTXTrans(*calc_mtx, x_trans, y_trans, z_trans);
} else {
Mtx mtx;
MTXTrans(mtx, x_trans, y_trans, z_trans);
MTXConcat(*calc_mtx, mtx, *calc_mtx);
}
}
/* 80270EA4-80270EEC 26B7E4 0048+00 0/0 0/0 46/46 .text MtxScale__FfffUc */
void MtxScale(f32 x_trans, f32 y_trans, f32 z_trans, u8 param_3) {
if (param_3 == 0) {
MTXScale(*calc_mtx, x_trans, y_trans, z_trans);
} else {
Mtx mtx;
MTXScale(mtx, x_trans, y_trans, z_trans);
MTXConcat(*calc_mtx, mtx, *calc_mtx);
}
}
/* 80270EEC-80270F1C 26B82C 0030+00 0/0 2/2 615/615 .text MtxPosition__FP4cXyzP4cXyz */
/**
* Multiplies a src position by the calc_mtx and puts the result in dest
* @param src The src position to be multiplied
* @param dest The resulting multiplied position
*/
void MtxPosition(cXyz* src, cXyz* dest) {
MTXMultVec(*calc_mtx, src, dest);
}
/* 80270F1C-80270F58 26B85C 003C+00 0/0 0/0 20/20 .text MtxPush__Fv */
void MtxPush() {
Mtx mtx;
MTXCopy(*calc_mtx, mtx);
calc_mtx++;
MTXCopy(mtx, *calc_mtx);
}
/* 80270F58-80270F68 26B898 0010+00 0/0 0/0 20/20 .text MtxPull__Fv */
Mtx* MtxPull() {
return calc_mtx--;
}
Reference in New Issue View Git Blame Copy Permalink