dayzplayerimplementheading.c

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/* 
DayZPlayerImplement
 
this file is implemenation of dayzPlayer in script 
- logic of movement 
- camera switching logic
 
*/
 
class DayZPlayerImplementHeading
{
 
    //-------------------------------------------------------------
 
    static bool ClampHeading (float pDt, SDayZPlayerHeadingModel pModel, out float pLastHeadingDiff)
    {
        float       aDiff = pModel.m_fHeadingAngle - pModel.m_fOrientationAngle;
        if (aDiff < -Math.PI)
        {
            aDiff += Math.PI2;
        }
        else if (aDiff > Math.PI)
        {
            aDiff -= Math.PI2;
        }
 
        // Print("Heading model: or: " + pModel.m_fOrientationAngle.ToString() + " head:" + pModel.m_fHeadingAngle.ToString() + " dif:" + aDiff.ToString());
 
        if (pLastHeadingDiff < -Math.PI_HALF && aDiff > 0)
        {
            aDiff                   = -Math.PI + 0.01;
            pLastHeadingDiff        = aDiff;
            pModel.m_fHeadingAngle  = pModel.m_fOrientationAngle + aDiff;
        
            // Print("-APA- : or: " + pModel.m_fOrientationAngle.ToString() + " head:" + pModel.m_fHeadingAngle.ToString() + " dif:" + aDiff.ToString());
 
            return true;        // modify heading
        }
        else if (pLastHeadingDiff > Math.PI_HALF && aDiff < 0)
        {
            aDiff                   = Math.PI - 0.01;
            pLastHeadingDiff        = aDiff;
            pModel.m_fHeadingAngle  = pModel.m_fOrientationAngle + aDiff;
 
            // Print("-APA- : or: " + pModel.m_fOrientationAngle.ToString() + " head:" + pModel.m_fHeadingAngle.ToString() + " dif:" + aDiff.ToString());
 
            return true;        // modify heading
        }
 
        pLastHeadingDiff    = aDiff;
        // Print("Heading model diff " + aDiff.ToString());
        return false;
    }
 
    //-------------------------------------------------------------
 
    static float    CONST_ROTLIMIT = Math.PI * 0.95;
 
    static bool RotateOrient (float pDt, SDayZPlayerHeadingModel pModel, out float pLastHeadingDiff)
    {
        float       aDiff = pModel.m_fHeadingAngle - pModel.m_fOrientationAngle;
 
        while (aDiff < -Math.PI)
        {
            aDiff += Math.PI2;
        }
        while (aDiff > Math.PI)
        {
            aDiff -= Math.PI2;
        }
 
        // Print("Heading model: or: " + pModel.m_fOrientationAngle.ToString() + " head:" + pModel.m_fHeadingAngle.ToString() + " dif:" + aDiff.ToString());
 
        if (pLastHeadingDiff < -Math.PI_HALF && aDiff > 0)
        {
            aDiff -= Math.PI2;
        }
        else if (pLastHeadingDiff > Math.PI_HALF && aDiff < 0)
        {
            aDiff += Math.PI2;
        }
 
        pLastHeadingDiff    = aDiff;        
        if (aDiff < -CONST_ROTLIMIT)
        {
            // character is somehow stucked (happens in prone stance)
            if (aDiff < -(Math.PI_HALF + CONST_ROTLIMIT))
            {
                pLastHeadingDiff = 0;
                return false;
            }
            
            pModel.m_fOrientationAngle += aDiff +  CONST_ROTLIMIT;
            return true;
        }
        else if (aDiff > CONST_ROTLIMIT)
        {
            // character is somehow stucked (happens in prone stance)
            if (aDiff > (Math.PI_HALF + CONST_ROTLIMIT))
            {
                pLastHeadingDiff = 0;
                return false;
            }
            
            pModel.m_fOrientationAngle += aDiff - CONST_ROTLIMIT;
            return true;
        }
 
        // Print("Heading model diff " + aDiff.ToString());
        return false;
 
    }
    
    static bool NoHeading(float pDt, SDayZPlayerHeadingModel pModel, out float pLastHeadingDiff)
    {
        pLastHeadingDiff = 0;
        pModel.m_fHeadingAngle = pModel.m_fOrientationAngle;
        return true;
    }
 
 
 
}