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#include "stdafx.h"
#include "net.minecraft.world.entity.h"
#include "net.minecraft.world.entity.ai.control.h"
#include "BodyControl.h"
const float BodyControl::maxClampAngle = 75.0f;
BodyControl::BodyControl(LivingEntity *mob)
{
this->mob = mob;
timeStill = 0;
lastHeadY = 0.0f;
}
void BodyControl::clientTick()
{
double xd = mob->x - mob->xo;
double zd = mob->z - mob->zo;
if (xd * xd + zd * zd > MoveControl::MIN_SPEED_SQR)
{
// we are moving.
mob->yBodyRot = mob->yRot;
mob->yHeadRot = clamp(mob->yBodyRot, mob->yHeadRot, maxClampAngle);
lastHeadY = mob->yHeadRot;
timeStill = 0;
return;
}
// Body will align to head after looking long enough in a direction
float clampAngle = maxClampAngle;
if (abs(mob->yHeadRot - lastHeadY) > 15)
{
timeStill = 0;
lastHeadY = mob->yHeadRot;
}
else
{
++timeStill;
static const int timeStillBeforeTurn = 10;
if (timeStill > timeStillBeforeTurn) clampAngle = max(1 - (timeStill - timeStillBeforeTurn) / 10.f, 0.0f) * maxClampAngle;
}
mob->yBodyRot = clamp(mob->yHeadRot, mob->yBodyRot, clampAngle);
}
float BodyControl::clamp(float clampTo, float clampFrom, float clampAngle)
{
float headDiffBody = Mth::wrapDegrees(clampTo - clampFrom);
if (headDiffBody < -clampAngle) headDiffBody = -clampAngle;
if (headDiffBody >= clampAngle) headDiffBody = +clampAngle;
return clampTo - headDiffBody;
}
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