geti16()

int16_t fl::WaveSimulation2D::geti16	(	size_t	x,
		size_t	y ) const

Definition at line 74 of file wave_simulation.cpp.

                                                         {
    if (!has(x, y))
        return 0;    
    int32_t sum = 0;
    uint8_t mult = MAX(1, mMultiplier);
    for (uint32_t j = 0; j < mult; ++j) {
        for (uint32_t i = 0; i < mult; ++i) {
            uint32_t xx = x * mult + i;
            uint32_t yy = y * mult + j;
            int32_t pt = mSim->geti16(xx, yy);
            // int32_t ch_pt = mChangeGrid[(yy * mMultiplier) + xx];
            int32_t ch_pt = mChangeGrid(xx, yy);
            if (ch_pt != 0) { // we got a hit.
                sum += ch_pt;
            } else {
                sum += pt;
            }
        }
    }
    int16_t out = static_cast<int16_t>(sum / (mult * mult));
    return out;
}

References has(), MAX, mChangeGrid, mMultiplier, mSim, x, and y.

Referenced by geti16All(), geti8(), and getu8().

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