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video/gticlub.c: Fixed texture coordinate rounding.

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This commit is contained in:
Ville Linde 2012-09-13 19:28:28 +00:00
parent 6590b2db63
commit b2f7162e0b
1 changed files with 11 additions and 5 deletions
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16
src/mame/video/gticlub.c
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@ -267,7 +267,7 @@ void K001005_init(running_machine &machine)
for (i=0; i < 128; i++)
{
tex_mirror_table[0][k][i] = i % size;
tex_mirror_table[1][k][i] = (i % (size*2)) >= size ? ((size - 1) - (i % size)) : i % size;
tex_mirror_table[1][k][i] = (i % (size*2)) >= size ? ((size - 1) - (i % size)) : (i % size);
}
}
@ -601,8 +601,11 @@ static void draw_scanline_2d_tex(void *dest, INT32 scanline, const poly_extent *
int iv = (int)(v);
int iiv, iiu, texel;
iiu = texture_x + x_mirror_table[(iu >> 4) & 0x7f];
iiv = texture_y + y_mirror_table[(iv >> 4) & 0x7f];
int iu2 = (iu >> 4) + ((iu & 0x8) ? 1 : 0);
int iv2 = (iv >> 4) + ((iv & 0x8) ? 1 : 0);
iiu = texture_x + x_mirror_table[iu2 & 0x7f];
iiv = texture_y + y_mirror_table[iv2 & 0x7f];
texel = texrom[((iiv & 0x1ff) * 512) + (iiu & 0x1ff)];
color = K001006_palette[pal_chip][palette_index + texel];
@ -738,8 +741,11 @@ static void draw_scanline_tex(void *dest, INT32 scanline, const poly_extent *ext
iu = u * oow;
iv = v * oow;
iiu = texture_x + x_mirror_table[(iu >> 4) & 0x7f];
iiv = texture_y + y_mirror_table[(iv >> 4) & 0x7f];
int iu2 = (iu >> 4) + ((iu & 0x8) ? 1 : 0);
int iv2 = (iv >> 4) + ((iv & 0x8) ? 1 : 0);
iiu = texture_x + x_mirror_table[iu2 & 0x7f];
iiv = texture_y + y_mirror_table[iv2 & 0x7f];
texel = texrom[((iiv & 0x1ff) * 512) + (iiu & 0x1ff)];
color = K001006_palette[pal_chip][palette_index + texel];