Dynamic sky, fog and cloud colors; sun and moon

1 files changed, 43 insertions, 0 deletions

diff --git a/src/daynightratio.h b/src/daynightratio.h
new file mode 100644
index 000000000..1b075c4fa
--- /dev/null
+++ b/src/daynightratio.h
@@ -0,0 +1,43 @@
+/*
+Minetest-c55
+Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef DAYNIGHTRATIO_HEADER
+#define DAYNIGHTRATIO_HEADER
+
+inline u32 time_to_daynight_ratio(u32 time_of_day)
+{
+	s32 t = time_of_day%24000;
+	if(t < 4500 || t >= 19500)
+		return 150;
+	else if(t < 4750 || t >= 19250)
+		return 250;
+	else if(t < 5000 || t >= 19000)
+		return 350;
+	else if(t < 5250 || t >= 18750)
+		return 500;
+	else if(t < 5500 || t >= 18500)
+		return 675;
+	else if(t < 5750 || t >= 18250)
+		return 875;
+	else
+		return 1000;
+}
+
+#endif
+