Cycles: Add control for sun intensity in Sky Texture and change altitude to km

Differential Revision: https://developer.blender.org/D8091

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/blenloader/intern/versioning_290.c b/source/blender/blenloader/intern/versioning_290.c
index e608a90aab0..ba92e11cc2a 100644
--- a/source/blender/blenloader/intern/versioning_290.c
+++ b/source/blender/blenloader/intern/versioning_290.c
@@ -389,5 +389,21 @@ void blo_do_versions_290(FileData *fd, Library *UNUSED(lib), Main *bmain)
    */
   {
     /* Keep this block, even when empty. */
+
+    /* Initialize additional parameter of the Nishita sky model and change altitude unit. */
+    if (!DNA_struct_elem_find(fd->filesdna, "NodeTexSky", "float", "sun_intensity")) {
+      FOREACH_NODETREE_BEGIN (bmain, ntree, id) {
+        if (ntree->type == NTREE_SHADER) {
+          LISTBASE_FOREACH (bNode *, node, &ntree->nodes) {
+            if (node->type == SH_NODE_TEX_SKY && node->storage) {
+              NodeTexSky *tex = (NodeTexSky *)node->storage;
+              tex->sun_intensity = 1.0f;
+              tex->altitude *= 0.001f;
+            }
+          }
+        }
+      }
+      FOREACH_NODETREE_END;
+    }
   }
 }