573 lines
14 KiB
C
573 lines
14 KiB
C
#include "global.h"
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f32 Math_CosS(s16 angle) {
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return coss(angle) * SHT_MINV;
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}
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f32 Math_SinS(s16 angle) {
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return sins(angle) * SHT_MINV;
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}
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/**
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* Changes pValue by step (scaled by the update rate) towards target, setting it equal when the target is reached.
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* Returns true when target is reached, false otherwise.
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*/
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s32 Math_ScaledStepToS(s16* pValue, s16 target, s16 step) {
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if (step != 0) {
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f32 updateScale = R_UPDATE_RATE * 0.5f;
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if ((s16)(*pValue - target) > 0) {
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step = -step;
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}
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*pValue += (s16)(step * updateScale);
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if (((s16)(*pValue - target) * step) >= 0) {
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*pValue = target;
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return true;
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}
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} else if (target == *pValue) {
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return true;
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}
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return false;
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}
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/**
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* Changes pValue by step towards target, setting it equal when the target is reached.
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* Returns true when target is reached, false otherwise.
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*/
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s32 Math_StepToS(s16* pValue, s16 target, s16 step) {
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if (step != 0) {
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if (target < *pValue) {
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step = -step;
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}
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*pValue += step;
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if (((*pValue - target) * step) >= 0) {
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*pValue = target;
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return true;
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}
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} else if (target == *pValue) {
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return true;
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}
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return false;
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}
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/**
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* Changes pValue by step towards target, setting it equal when the target is reached.
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* Returns true when target is reached, false otherwise.
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*/
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s32 Math_StepToF(f32* pValue, f32 target, f32 step) {
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if (step != 0.0f) {
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if (target < *pValue) {
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step = -step;
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}
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*pValue += step;
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if (((*pValue - target) * step) >= 0) {
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*pValue = target;
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return true;
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}
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} else if (target == *pValue) {
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return true;
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}
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return false;
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}
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/**
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* Changes pValue by step. If pvalue reaches limit angle or its opposite, sets it equal to limit angle.
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* Returns true when limit angle or its opposite is reached, false otherwise.
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*/
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s32 Math_StepUntilAngleS(s16* pValue, s16 limit, s16 step) {
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s16 orig = *pValue;
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*pValue += step;
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if (((s16)(*pValue - limit) * (s16)(orig - limit)) <= 0) {
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*pValue = limit;
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return true;
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}
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return false;
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}
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/**
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* Changes pValue by step. If pvalue reaches limit, sets it equal to limit.
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* Returns true when limit is reached, false otherwise.
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*/
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s32 Math_StepUntilS(s16* pValue, s16 limit, s16 step) {
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s16 orig = *pValue;
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*pValue += step;
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if (((*pValue - limit) * (orig - limit)) <= 0) {
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*pValue = limit;
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return true;
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}
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return false;
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}
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/**
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* Changes pValue by step towards target angle, setting it equal when the target is reached.
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* Returns true when target is reached, false otherwise.
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*/
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s32 Math_StepToAngleS(s16* pValue, s16 target, s16 step) {
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s32 diff = target - *pValue;
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if (diff < 0) {
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step = -step;
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}
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if (diff >= 0x8000) {
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step = -step;
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diff = -0xFFFF - -diff;
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} else if (diff <= -0x8000) {
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diff += 0xFFFF;
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step = -step;
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}
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if (step != 0) {
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*pValue += step;
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if ((diff * step) <= 0) {
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*pValue = target;
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return true;
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}
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} else if (target == *pValue) {
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return true;
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}
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return false;
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}
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/**
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* Changes pValue by step. If pvalue reaches limit, sets it equal to limit.
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* Returns true when limit is reached, false otherwise.
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*/
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s32 Math_StepUntilF(f32* pValue, f32 limit, f32 step) {
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f32 orig = *pValue;
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*pValue += step;
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if (((*pValue - limit) * (orig - limit)) <= 0) {
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*pValue = limit;
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return true;
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}
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return false;
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}
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/**
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* Changes pValue toward target by incrStep if pValue is smaller and by decrStep if it is greater, setting it equal when
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* target is reached. Returns true when target is reached, false otherwise.
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*/
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s32 Math_AsymStepToF(f32* pValue, f32 target, f32 incrStep, f32 decrStep) {
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f32 step = (target >= *pValue) ? incrStep : decrStep;
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if (step != 0.0f) {
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if (target < *pValue) {
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step = -step;
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}
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*pValue += step;
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if (((*pValue - target) * step) >= 0) {
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*pValue = target;
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return 1;
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}
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} else if (target == *pValue) {
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return 1;
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}
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return 0;
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}
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void func_80077D10(f32* arg0, s16* arg1, Input* input) {
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f32 relX = input->rel.stick_x;
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f32 relY = input->rel.stick_y;
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*arg0 = sqrtf(SQ(relX) + SQ(relY));
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*arg0 = (60.0f < *arg0) ? 60.0f : *arg0;
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*arg1 = Math_Atan2S(relY, -relX);
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}
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s16 Rand_S16Offset(s16 base, s16 range) {
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return (s16)(Rand_ZeroOne() * range) + base;
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}
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s16 Rand_S16OffsetStride(s16 base, s16 stride, s16 range) {
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return (s16)(Rand_ZeroOne() * range) * stride + base;
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}
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void Math_Vec3f_Copy(Vec3f* dest, Vec3f* src) {
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dest->x = src->x;
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dest->y = src->y;
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dest->z = src->z;
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}
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void Math_Vec3s_ToVec3f(Vec3f* dest, Vec3s* src) {
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dest->x = src->x;
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dest->y = src->y;
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dest->z = src->z;
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}
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void Math_Vec3f_Sum(Vec3f* a, Vec3f* b, Vec3f* dest) {
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dest->x = a->x + b->x;
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dest->y = a->y + b->y;
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dest->z = a->z + b->z;
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}
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void Math_Vec3f_Diff(Vec3f* a, Vec3f* b, Vec3f* dest) {
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dest->x = a->x - b->x;
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dest->y = a->y - b->y;
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dest->z = a->z - b->z;
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}
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void Math_Vec3s_DiffToVec3f(Vec3f* dest, Vec3s* a, Vec3s* b) {
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dest->x = a->x - b->x;
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dest->y = a->y - b->y;
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dest->z = a->z - b->z;
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}
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void Math_Vec3f_Scale(Vec3f* vec, f32 scaleF) {
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vec->x *= scaleF;
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vec->y *= scaleF;
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vec->z *= scaleF;
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}
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f32 Math_Vec3f_DistXYZ(Vec3f* a, Vec3f* b) {
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f32 dx = b->x - a->x;
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f32 dy = b->y - a->y;
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f32 dz = b->z - a->z;
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return sqrtf(SQ(dx) + SQ(dy) + SQ(dz));
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}
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f32 Math_Vec3f_DistXYZAndStoreDiff(Vec3f* a, Vec3f* b, Vec3f* dest) {
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dest->x = b->x - a->x;
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dest->y = b->y - a->y;
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dest->z = b->z - a->z;
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return sqrtf(SQ(dest->x) + SQ(dest->y) + SQ(dest->z));
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}
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f32 Math_Vec3f_DistXZ(Vec3f* a, Vec3f* b) {
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f32 dx = b->x - a->x;
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f32 dz = b->z - a->z;
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return sqrtf(SQ(dx) + SQ(dz));
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}
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f32 Math_Vec3f_DiffY(Vec3f* a, Vec3f* b) {
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return b->y - a->y;
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}
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s16 Math_Vec3f_Yaw(Vec3f* a, Vec3f* b) {
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f32 dx = b->x - a->x;
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f32 dz = b->z - a->z;
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return Math_Atan2S(dz, dx);
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}
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s16 Math_Vec3f_Pitch(Vec3f* a, Vec3f* b) {
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return Math_Atan2S(Math_Vec3f_DistXZ(a, b), a->y - b->y);
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}
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void IChain_Apply_u8(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_s8(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_u16(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_s16(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_u32(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_s32(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_f32(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_f32div1000(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_Vec3f(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_Vec3fdiv1000(u8* ptr, InitChainEntry* ichain);
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void IChain_Apply_Vec3s(u8* ptr, InitChainEntry* ichain);
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void (*sInitChainHandlers[])(u8* ptr, InitChainEntry* ichain) = {
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IChain_Apply_u8, IChain_Apply_s8, IChain_Apply_u16, IChain_Apply_s16,
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IChain_Apply_u32, IChain_Apply_s32, IChain_Apply_f32, IChain_Apply_f32div1000,
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IChain_Apply_Vec3f, IChain_Apply_Vec3fdiv1000, IChain_Apply_Vec3s,
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};
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void Actor_ProcessInitChain(Actor* actor, InitChainEntry* ichain) {
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do {
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sInitChainHandlers[ichain->type]((u8*)actor, ichain);
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} while ((ichain++)->cont);
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}
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void IChain_Apply_u8(u8* ptr, InitChainEntry* ichain) {
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*(u8*)(ptr + ichain->offset) = ichain->value;
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}
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void IChain_Apply_s8(u8* ptr, InitChainEntry* ichain) {
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*(s8*)(ptr + ichain->offset) = ichain->value;
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}
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void IChain_Apply_u16(u8* ptr, InitChainEntry* ichain) {
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*(u16*)(ptr + ichain->offset) = ichain->value;
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}
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void IChain_Apply_s16(u8* ptr, InitChainEntry* ichain) {
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*(s16*)(ptr + ichain->offset) = ichain->value;
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}
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void IChain_Apply_u32(u8* ptr, InitChainEntry* ichain) {
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*(u32*)(ptr + ichain->offset) = ichain->value;
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}
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void IChain_Apply_s32(u8* ptr, InitChainEntry* ichain) {
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*(s32*)(ptr + ichain->offset) = ichain->value;
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}
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void IChain_Apply_f32(u8* ptr, InitChainEntry* ichain) {
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*(f32*)(ptr + ichain->offset) = ichain->value;
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}
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void IChain_Apply_f32div1000(u8* ptr, InitChainEntry* ichain) {
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*(f32*)(ptr + ichain->offset) = ichain->value / 1000.0f;
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}
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void IChain_Apply_Vec3f(u8* ptr, InitChainEntry* ichain) {
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Vec3f* vec = (Vec3f*)(ptr + ichain->offset);
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f32 val = ichain->value;
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vec->z = val;
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vec->y = val;
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vec->x = val;
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}
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void IChain_Apply_Vec3fdiv1000(u8* ptr, InitChainEntry* ichain) {
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Vec3f* vec = (Vec3f*)(ptr + ichain->offset);
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f32 val;
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osSyncPrintf("pp=%x data=%f\n", vec, ichain->value / 1000.0f);
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val = ichain->value / 1000.0f;
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vec->z = val;
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vec->y = val;
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vec->x = val;
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}
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void IChain_Apply_Vec3s(u8* ptr, InitChainEntry* ichain) {
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Vec3s* vec = (Vec3s*)(ptr + ichain->offset);
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s16 val = ichain->value;
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vec->z = val;
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vec->y = val;
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vec->x = val;
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}
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/**
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* Changes pValue by step towards target. If this step is more than fraction of the remaining distance, step by that
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* instead, with a minimum step of minStep. Returns remaining distance to target.
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*/
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f32 Math_SmoothStepToF(f32* pValue, f32 target, f32 fraction, f32 step, f32 minStep) {
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if (*pValue != target) {
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f32 stepSize = (target - *pValue) * fraction;
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if ((stepSize >= minStep) || (stepSize <= -minStep)) {
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if (stepSize > step) {
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stepSize = step;
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}
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if (stepSize < -step) {
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stepSize = -step;
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}
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*pValue += stepSize;
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} else {
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if (stepSize < minStep) {
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*pValue += minStep;
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stepSize = minStep;
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if (target < *pValue) {
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*pValue = target;
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}
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}
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if (stepSize > -minStep) {
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*pValue += -minStep;
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if (*pValue < target) {
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*pValue = target;
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}
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}
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}
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}
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return fabsf(target - *pValue);
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}
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/**
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* Changes pValue by step towards target. If step is more than fraction of the remaining distance, step by that instead.
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*/
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void Math_ApproachF(f32* pValue, f32 target, f32 fraction, f32 step) {
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if (*pValue != target) {
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f32 stepSize = (target - *pValue) * fraction;
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if (stepSize > step) {
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stepSize = step;
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} else if (stepSize < -step) {
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stepSize = -step;
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}
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*pValue += stepSize;
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}
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}
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/**
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* Changes pValue by step towards zero. If step is more than fraction of the remaining distance, step by that instead.
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*/
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void Math_ApproachZeroF(f32* pValue, f32 fraction, f32 step) {
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f32 stepSize = *pValue * fraction;
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if (stepSize > step) {
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stepSize = step;
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} else if (stepSize < -step) {
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stepSize = -step;
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}
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*pValue -= stepSize;
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}
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/**
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* Changes pValue by step towards target angle in degrees. If this step is more than fraction of the remaining distance,
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* step by that instead, with a minimum step of minStep. Returns the value of the step taken.
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*/
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f32 Math_SmoothStepToDegF(f32* pValue, f32 target, f32 fraction, f32 step, f32 minStep) {
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f32 stepSize = 0.0f;
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f32 diff = target - *pValue;
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if (*pValue != target) {
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if (diff > 180.0f) {
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diff = -(360.0f - diff);
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} else if (diff < -180.0f) {
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diff = 360.0f + diff;
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}
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stepSize = diff * fraction;
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if ((stepSize >= minStep) || (stepSize <= -minStep)) {
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if (stepSize > step) {
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stepSize = step;
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}
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if (stepSize < -step) {
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stepSize = -step;
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}
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*pValue += stepSize;
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} else {
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if (stepSize < minStep) {
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stepSize = minStep;
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*pValue += stepSize;
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if (*pValue > target) {
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*pValue = target;
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}
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}
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if (stepSize > -minStep) {
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stepSize = -minStep;
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*pValue += stepSize;
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if (*pValue < target) {
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*pValue = target;
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}
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}
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}
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}
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if (*pValue >= 360.0f) {
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*pValue -= 360.0f;
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}
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if (*pValue < 0.0f) {
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*pValue += 360.0f;
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}
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return stepSize;
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}
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/**
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* Changes pValue by step towards target. If this step is more than 1/scale of the remaining distance, step by that
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* instead, with a minimum step of minStep. Returns remaining distance to target.
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*/
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s16 Math_SmoothStepToS(s16* pValue, s16 target, s16 scale, s16 step, s16 minStep) {
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s16 stepSize = 0;
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s16 diff = target - *pValue;
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if (*pValue != target) {
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stepSize = diff / scale;
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if ((stepSize > minStep) || (stepSize < -minStep)) {
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if (stepSize > step) {
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stepSize = step;
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}
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if (stepSize < -step) {
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stepSize = -step;
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}
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*pValue += stepSize;
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} else {
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if (diff >= 0) {
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*pValue += minStep;
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if ((s16)(target - *pValue) <= 0) {
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*pValue = target;
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}
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} else {
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*pValue -= minStep;
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if ((s16)(target - *pValue) >= 0) {
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*pValue = target;
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}
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}
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}
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}
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|
return diff;
|
|
}
|
|
|
|
/**
|
|
* Changes pValue by step towards target. If step is more than 1/scale of the remaining distance, step by that instead.
|
|
*/
|
|
void Math_ApproachS(s16* pValue, s16 target, s16 scale, s16 maxStep) {
|
|
s16 diff = target - *pValue;
|
|
|
|
diff /= scale;
|
|
|
|
if (diff > maxStep) {
|
|
*pValue += maxStep;
|
|
} else if (diff < -maxStep) {
|
|
*pValue -= maxStep;
|
|
} else {
|
|
*pValue += diff;
|
|
}
|
|
}
|
|
|
|
void Color_RGBA8_Copy(Color_RGBA8* dst, Color_RGBA8* src) {
|
|
dst->r = src->r;
|
|
dst->g = src->g;
|
|
dst->b = src->b;
|
|
dst->a = src->a;
|
|
}
|
|
|
|
void func_80078884(u16 sfxId) {
|
|
Audio_PlaySoundGeneral(sfxId, &D_801333D4, 4, &D_801333E0, &D_801333E0, &D_801333E8);
|
|
}
|
|
|
|
void func_800788CC(u16 sfxId) {
|
|
Audio_PlaySoundGeneral(sfxId, &D_801333D4, 4, &D_801333E0, &D_801333E0, &D_801333E8);
|
|
}
|
|
|
|
void func_80078914(Vec3f* arg0, u16 sfxId) {
|
|
Audio_PlaySoundGeneral(sfxId, arg0, 4, &D_801333E0, &D_801333E0, &D_801333E8);
|
|
}
|