Fix potential out-of-bounds array index

diff --git a/src/mapblock_mesh.cpp b/src/mapblock_mesh.cpp
index 8afca73a5fde6bbc86aeb180468c3239237e6358..cf311acba1a54454eeaab7e904fd5897c2483bb3 100644 (file)
--- a/src/mapblock_mesh.cpp
+++ b/src/mapblock_mesh.cpp
@@ -346,15 +346,15 @@ void finalColorBlend(video::SColor& result,
                1, 4, 6, 6, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0,
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        };
-       b += emphase_blue_when_dark[b / 8];
-       b = irr::core::clamp (b, 0, 255);
+       b += emphase_blue_when_dark[irr::core::clamp(b, 0, 255) / 8];
+       b = irr::core::clamp(b, 0, 255);
 
        // Artificial light is yellow-ish
        static const u8 emphase_yellow_when_artificial[16] = {
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 10, 15, 15, 15
        };
        rg += emphase_yellow_when_artificial[night/16];
-       rg = irr::core::clamp (rg, 0, 255);
+       rg = irr::core::clamp(rg, 0, 255);
 
        result.setRed(rg);
        result.setGreen(rg);