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-rw-r--r--src/light.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/light.cpp b/src/light.cpp
index 8196fedff..d5389b450 100644
--- a/src/light.cpp
+++ b/src/light.cpp
@@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
#include "light.h"
+#include <algorithm>
#include <cmath>
#include "util/numeric.h"
#include "settings.h"
@@ -81,9 +82,11 @@ void set_light_table(float gamma)
// Strictly speaking, rangelim is not necessary here—if the implementation
// is conforming. But we don’t want problems in any case.
light_LUT[i] = rangelim((s32)(255.0f * brightness), 0, 255);
+
// Ensure light brightens with each level
- if (i > 1 && light_LUT[i] <= light_LUT[i - 1])
- light_LUT[i] = light_LUT[i - 1] + 1;
+ if (i > 0 && light_LUT[i] <= light_LUT[i - 1]) {
+ light_LUT[i] = std::min((u8)254, light_LUT[i - 1]) + 1;
+ }
}
}