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Fix Wild Arms 2 overworld forest sprite for software mode with scaling

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This commit is contained in:
JS Deck 2020-09-20 17:27:44 -03:00
parent 9b400733ff
commit 79405a92f9
1 changed files with 9 additions and 8 deletions
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17
mednafen/psx/gpu_polygon_sub.cpp
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@ -97,26 +97,27 @@ void Calc_UVOffsets_Adjust_Verts(PS_GPU *gpu, tri_vertex *vertices, unsigned cou
// HACK fix Wild Arms 2 overworld forest sprite
// TODO generalize this perhaps?
const float one = float(1 << gpu->upscale_shift);
if (zero_dvdx &&
(aby == 1.0 || bcy == 1.0 || cay == 1.0) &&
(aby == one || bcy == one || cay == one) &&
(aby == 0.0 || bcy == 0.0 || cay == 0.0) &&
(aby == -1.0 || bcy == -1.0 || cay == -1.0)
(aby == -one || bcy == -one || cay == -one)
)
{
if (neg_dvdy)
{
if (aby == -1.0)
if (aby == -one)
vertices[0].v = vertices[1].v - 1;
else if (bcy == -1.0)
else if (bcy == -one)
vertices[1].v = vertices[2].v - 1;
else if (cay == -1.0)
else if (cay == -one)
vertices[2].v = vertices[0].v - 1;
if (aby == 1.0)
if (aby == one)
vertices[1].v = vertices[0].v - 1;
else if (bcy == 1.0)
else if (bcy == one)
vertices[2].v = vertices[1].v - 1;
else if (cay == 1.0)
else if (cay == one)
vertices[0].v = vertices[2].v - 1;
}
}