decreased dust light radius

this makes it less likely that dropping a lamp will cause cave-ins.

also slowed down the propagation of dust slightly.

1 files changed, 23 insertions, 4 deletions

@@ -358,11 +358,13 @@ void recalculateLighting(Game& game, fov_settings_type* fov)
 
   fov_settings_set_apply_lighting_function(
     fov,
-    [] (void* data, int x, int y, int dx, int dy, void*) {
+    [] (void* data, int x, int y, int dx, int dy, void* source) {
       Game& game = *static_cast<Game*>(data);
 
       if (game.map.inBounds(x, y))
       {
+        double lightRadius = static_cast<double>(*static_cast<int*>(source));
+
         if (!game.map.at(x,y).lit)
         {
           game.litSpots++;
@@ -375,7 +377,7 @@ void recalculateLighting(Game& game, fov_settings_type* fov)
           std::pow(
             std::max(
               0.0,
-              1.0 - std::sqrt(dx * dx + dy * dy) / static_cast<double>(RADIUS)),
+              1.0 - std::sqrt(dx * dx + dy * dy) / lightRadius),
             1.0/3.0));
       }
     });
@@ -388,7 +390,24 @@ void recalculateLighting(Game& game, fov_settings_type* fov)
           game.map.at(x,y).tile == Tile::Dust ||
           game.map.at(x,y).tile == Tile::Lamp)
       {
-        fov_circle(fov, static_cast<void*>(&game), nullptr, x, y, RADIUS);
+        int lightRadius;
+
+        if ((game.player_x == x && game.player_y == y && game.renderPlayer) ||
+             game.map.at(x,y).tile == Tile::Lamp)
+        {
+          lightRadius = RADIUS;
+        } else if (game.map.at(x,y).tile == Tile::Dust)
+        {
+          lightRadius = 2;
+        }
+
+        fov_circle(
+          fov,
+          static_cast<void*>(&game),
+          static_cast<void*>(&lightRadius),
+          x,
+          y,
+          lightRadius);
 
         game.map.at(x,y).lit = true;
         game.map.at(x,y).visibility = 1.0;
@@ -646,7 +665,7 @@ int main(int, char**)
     Input keystate;
     SDL_Event e;
 
-    size_t dustDt = 30;
+    size_t dustDt = 40;
     size_t dustAcc = 0;
 
     size_t inputDt = 50;