C4SolidMask::DensityProvider Class Reference

#include <C4SolidMask.h>

Inheritance diagram for C4SolidMask::DensityProvider:

Collaboration diagram for C4SolidMask::DensityProvider:

Public Member Functions
	DensityProvider (C4SolidMask &rSolidMaskData)
int32_t	GetDensity (int32_t x, int32_t y) const override

Detailed Description

Definition at line 49 of file C4SolidMask.h.

Constructor & Destructor Documentation

DensityProvider()

C4SolidMask::DensityProvider::DensityProvider ( C4SolidMask &  rSolidMaskData )

inline

Definition at line 55 of file C4SolidMask.h.

                : rSolidMaskData(rSolidMaskData) {}

Member Function Documentation

GetDensity()

int32_t C4SolidMask::DensityProvider::GetDensity ( int32_t  x, int32_t  y  ) const

overridevirtual

Reimplemented from C4DensityProvider.

Definition at line 208 of file C4SolidMask.cpp.

{
    // outside SolidMask: free
    x -= rSolidMaskData.MaskPutRect.x;
    y -= rSolidMaskData.MaskPutRect.y;
    if (!Inside<int32_t>(x, 0, rSolidMaskData.MaskPutRect.Wdt-1)
        || !Inside<int32_t>(y, 0, rSolidMaskData.MaskPutRect.Hgt-1))
        return 0;
    // check put mask. Easy for unrotated
    BYTE pix;
    if (!rSolidMaskData.MaskPutRotation)
    {
        CSurface8 *pSolidMask = rSolidMaskData.pForObject->Def->pSolidMask;
        if (!pSolidMask) return 0; // can't really happen
        pix=pSolidMask->_GetPix(x+rSolidMaskData.pForObject->SolidMask.x+rSolidMaskData.MaskPutRect.tx,
                                y+rSolidMaskData.pForObject->SolidMask.y+rSolidMaskData.MaskPutRect.ty);
        if (pix == 0xff)
            return C4M_Vehicle;
        else
            return 0;
    }
    else
    {
        // Using put-buffer for rotated masks
        // for SolidMask-pixels not put because there was another SolidMask already, this will not return solid
        pix=*(rSolidMaskData.pSolidMaskMatBuff+(y+rSolidMaskData.MaskPutRect.ty)*rSolidMaskData.MatBuffPitch+rSolidMaskData.MaskPutRect.tx+x);
        if (IsSomeVehicle(pix))
            return 0;
        else
            return C4M_Vehicle;
    }
}

References CSurface8::_GetPix(), C4M_Vehicle, C4Object::Def, C4Rect::Hgt, IsSomeVehicle(), C4SolidMask::MaskPutRect, C4SolidMask::MaskPutRotation, C4SolidMask::MatBuffPitch, C4SolidMask::pForObject, C4Def::pSolidMask, C4SolidMask::pSolidMaskMatBuff, C4Object::SolidMask, C4TargetRect::tx, C4TargetRect::ty, C4Rect::Wdt, C4Rect::x, and C4Rect::y.

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The documentation for this class was generated from the following files:

• C4SolidMask.h
• C4SolidMask.cpp