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Fix dynamic light calculations to be unaffected by wall clipping

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Magnus Norddahl 2016-12-22 03:02:58 +01:00
parent 6fe124d937
commit 4551052174
1 changed files with 2 additions and 4 deletions
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6
src/r_walldraw.cpp
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@ -545,10 +545,8 @@ static void Draw1Column(int x, int y1, int y2, WallSampler &sampler, void(*draw1
float t = (x - WallC.sx1 + 0.5f) / (WallC.sx2 - WallC.sx1); float t = (x - WallC.sx1 + 0.5f) / (WallC.sx2 - WallC.sx1);
float wcol = w1 * (1.0f - t) + w2 * t; float wcol = w1 * (1.0f - t) + w2 * t;
float zcol = 1.0f / wcol; float zcol = 1.0f / wcol;
float xcol = (WallC.tleft.X * w1 * (1.0f - t) + WallC.tright.X * w2 * t) * zcol; dc_viewpos.X = (float)((x + 0.5 - CenterX) / CenterX * zcol);
float ycol = (WallC.tleft.Y * w1 * (1.0f - t) + WallC.tright.Y * w2 * t) * zcol; dc_viewpos.Y = zcol;
dc_viewpos.X = xcol;
dc_viewpos.Y = ycol;
dc_viewpos.Z = (float)((CenterY - y1 - 0.5) / InvZtoScale * zcol); dc_viewpos.Z = (float)((CenterY - y1 - 0.5) / InvZtoScale * zcol);
dc_viewpos_step.Z = (float)(-zcol / InvZtoScale); dc_viewpos_step.Z = (float)(-zcol / InvZtoScale);