LineArt: Shadow and related functionalities.

This patch includes the full shadow functionality for LineArt:

- Light contour and cast shadow lines.
- Lit/shaded region selection.
- Enclosed light/shadow shape calculation.
- Silhouette/anti-silhouette selection.
- Intersection priority based on shadow edge identifier.

Reviewed By: Sebastian Parborg (zeddb)

Differential Revision: https://developer.blender.org/D15109

1 files changed, 11 insertions, 0 deletions

diff --git a/source/blender/blenloader/intern/versioning_300.c b/source/blender/blenloader/intern/versioning_300.c
index 9514f1667b1..ea8653bd0f4 100644
--- a/source/blender/blenloader/intern/versioning_300.c
+++ b/source/blender/blenloader/intern/versioning_300.c
@@ -3126,6 +3126,17 @@ void blo_do_versions_300(FileData *fd, Library *UNUSED(lib), Main *bmain)
       }
     }
     FOREACH_NODETREE_END;
+
+    LISTBASE_FOREACH (Object *, ob, &bmain->objects) {
+      LISTBASE_FOREACH (GpencilModifierData *, gpd, &ob->greasepencil_modifiers) {
+        if (gpd->type == eGpencilModifierType_Lineart) {
+          LineartGpencilModifierData *lmd = (LineartGpencilModifierData *)gpd;
+          lmd->shadow_camera_near = 0.1f;
+          lmd->shadow_camera_far = 200.0f;
+          lmd->shadow_camera_size = 200.0f;
+        }
+      }
+    }
   }
 
   if (!MAIN_VERSION_ATLEAST(bmain, 303, 2)) {