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