--- deliantra/Deliantra-Client/DC/UI.pm	2006/04/12 21:35:11	1.90
+++ deliantra/Deliantra-Client/DC/UI.pm	2006/04/12 23:15:39	1.91
@@ -1526,6 +1526,19 @@
 
       glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
 
+      if ($::CFG->{fow_smooth}) { # smooth fog of war
+         my @conv = (
+            0.05, 0.05, 0.05,
+            0.05, 0.60, 0.05,
+            0.05, 0.05, 0.05,
+         );
+         CFClient::glConvolutionParameteri GL_CONVOLUTION_2D, GL_CONVOLUTION_BORDER_MODE, GL_REPLICATE_BORDER;
+         CFClient::glConvolutionFilter2D GL_CONVOLUTION_2D,
+            GL_ALPHA, 3, 3, GL_ALPHA, GL_FLOAT,
+            pack "f*", @conv;
+         glEnable GL_CONVOLUTION_2D;
+      }
+
       $darkness = new CFClient::Texture
          w              => $sw4,
          h              => $sh,
@@ -1536,6 +1549,8 @@
       glColor +($::CFG->{fow_intensity}) x 3, 1;
       $darkness->draw_quad (0, 0, $sw4 * 32, $sh * 32);
 
+      glDisable GL_CONVOLUTION_2D if $::CFG->{fow_smooth};
+
       glDisable GL_TEXTURE_2D;
       glDisable GL_BLEND;