1 files changed, 46 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/wolf3d/wl_cloudsky.h b/apps/plugins/sdl/progs/wolf3d/wl_cloudsky.h
new file mode 100644
index 0000000000..ad0316d643
--- /dev/null
+++ b/apps/plugins/sdl/progs/wolf3d/wl_cloudsky.h
@@ -0,0 +1,46 @@
+#if defined(USE_CLOUDSKY) && !defined(_WL_CLOUDSKY_H_)
+#define _WL_CLOUDSKY_H_
+
+typedef struct
+{
+    int length;
+    int startAndDir;
+} colormapentry_t;
+
+typedef struct
+{
+    int numColors;
+    colormapentry_t *entries;
+} colormap_t;
+
+typedef struct
+{
+    // The seed defines the look of the sky and every value (0-4294967295)
+    // describes an unique sky. You can play around with these inside the game
+    // when pressing <TAB>+Z in debug mode. There you'll be able to change the
+    // active seed to find out a value, which is suitable for your needs.
+    uint32_t seed;
+
+    // The speed defines how fast the clouds will move (0-65535)
+    uint32_t speed;
+
+    // The angle defines the move direction (0-359)
+    uint32_t angle;
+
+    // An index selecting the color map to be used for this sky definition.
+    // This value can also be chosen with <TAB>+Z
+    uint32_t colorMapIndex;
+} cloudsky_t;
+
+extern cloudsky_t *curSky;
+extern colormap_t colorMaps[];
+extern const int numColorMaps;
+
+void InitSky();
+void DrawClouds(byte *vbuf, unsigned vbufPitch, int min_wallheight);
+
+#ifndef USE_FEATUREFLAGS
+int GetCloudSkyDefID();
+#endif
+
+#endif