LogalDeveloper/Minecraft-Overviewer
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fixed out-of-bounds index segfault

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Aaron Griffith
2011-06-23 17:44:04 -04:00
parent aed6938d22
commit 79944d4f90
1 changed files with 8 additions and 0 deletions
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8
src/rendermode-lighting.c
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@@ -88,6 +88,14 @@ estimate_blocklevel(RenderModeLighting *self, RenderState *state,
for (dx = -1; dx <= 1; dx += 2) { for (dx = -1; dx <= 1; dx += 2) {
for (dy = -1; dy <= 1; dy += 2) { for (dy = -1; dy <= 1; dy += 2) {
for (dz = -1; dz <= 1; dz += 2) { for (dz = -1; dz <= 1; dz += 2) {
/* skip if block is out of range */
if (x+dx < 0 || x+dx >= 16 ||
y+dy < 0 || y+dy >= 16 ||
z+dz < 0 || z+dz >= 128) {
continue;
}
coeff = estimate_blocklevel(self, state, x+dx, y+dy, z+dz, &auth); coeff = estimate_blocklevel(self, state, x+dx, y+dy, z+dz, &auth);
local_block = getArrayByte3D(blocks, x+dx, y+dy, z+dz); local_block = getArrayByte3D(blocks, x+dx, y+dy, z+dz);
/* only add if the block is transparent, this seems to look better than /* only add if the block is transparent, this seems to look better than