53 lines
1.6 KiB
PHP
53 lines
1.6 KiB
PHP
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// File Name : IsTargetInSightRange.inc
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// File Version : 1.1
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// File Updated date : 03-07-2013
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/*
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*Thanks to Javalia. he has helped to solve my question.
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*/
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stock bool:IsTargetInSightRange(client, target, Float:angle=90.0, Float:distance=0.0, bool:heightcheck=true, bool:negativeangle=false)
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{
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if(angle > 360.0 || angle < 0.0)
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ThrowError("Angle Max : 360 & Min : 0. %d isn't proper angle.", angle);
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if(!IsValidClient(client))
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ThrowError("Client is not Alive.");
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if(!IsValidClient(target))
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ThrowError("Target is not Alive.");
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decl Float:clientpos[3], Float:targetpos[3], Float:anglevector[3], Float:targetvector[3], Float:resultangle, Float:resultdistance;
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GetClientEyeAngles(client, anglevector);
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anglevector[0] = anglevector[2] = 0.0;
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GetAngleVectors(anglevector, anglevector, NULL_VECTOR, NULL_VECTOR);
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NormalizeVector(anglevector, anglevector);
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if(negativeangle)
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NegateVector(anglevector);
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GetClientAbsOrigin(client, clientpos);
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GetClientAbsOrigin(target, targetpos);
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if(heightcheck && distance > 0)
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resultdistance = GetVectorDistance(clientpos, targetpos);
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clientpos[2] = targetpos[2] = 0.0;
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MakeVectorFromPoints(clientpos, targetpos, targetvector);
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NormalizeVector(targetvector, targetvector);
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resultangle = RadToDeg(ArcCosine(GetVectorDotProduct(targetvector, anglevector)));
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if(resultangle <= angle/2)
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{
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if(distance > 0)
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{
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if(!heightcheck)
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resultdistance = GetVectorDistance(clientpos, targetpos);
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if(distance >= resultdistance)
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return true;
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else
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return false;
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}
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else
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return true;
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}
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else
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return false;
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}
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