LogalDeveloper/Minecraft-Overviewer
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fixed top smooth lighting tesselation error

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This commit is contained in:
Aaron Griffith
2011-10-18 09:56:01 -04:00
parent 0fa734d0c5
commit 4bddf2c78a
3 changed files with 67 additions and 7 deletions
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32
overviewer_core/src/composite.c
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@@ -375,7 +375,9 @@ draw_triangle(PyObject *dest, int inclusive,
int x1, int y1,
unsigned char r1, unsigned char g1, unsigned char b1,
int x2, int y2,
unsigned char r2, unsigned char g2, unsigned char b2) {
unsigned char r2, unsigned char g2, unsigned char b2,
int tux, int tuy, int *touchups, unsigned int num_touchups) {
/* destination image */
Imaging imDest;
/* ranges of pixels that are affected */
@@ -452,5 +454,33 @@ draw_triangle(PyObject *dest, int inclusive,
}
}
while (num_touchups > 0) {
float alpha, beta, gamma;
unsigned int r, g, b;
UINT8 *out;
x = touchups[0] + tux;
y = touchups[1] + tuy;
touchups += 2;
num_touchups--;
if (x < 0 || x >= imDest->xsize || y < 0 || y >= imDest->ysize)
continue;
out = (UINT8 *)imDest->image[y] + x * 4;
alpha = alpha_norm * ((a12 * x) + (b12 * y) + c12);
beta = beta_norm * ((a20 * x) + (b20 * y) + c20);
gamma = gamma_norm * ((a01 * x) + (b01 * y) + c01);
r = alpha * r0 + beta * r1 + gamma * r2;
g = alpha * g0 + beta * g1 + gamma * g2;
b = alpha * b0 + beta * b1 + gamma * b2;
*out = MULDIV255(*out, r, tmp); out++;
*out = MULDIV255(*out, g, tmp); out++;
*out = MULDIV255(*out, b, tmp); out++;
}
return dest;
}