1 files changed, 125 insertions, 0 deletions

diff --git a/render_povray/scenography_properties.py b/render_povray/scenography_properties.py
index dd886513..97c856f6 100755
--- a/render_povray/scenography_properties.py
+++ b/render_povray/scenography_properties.py
@@ -352,6 +352,128 @@ class RenderPovSettingsWorld(PropertyGroup):
         name="Index for texture_slots", default=0, update=brush_texture_update
     )
 
+###############################################################################
+# Texture slots (World context) exported as POV texture properties.
+###############################################################################
+
+class WorldTextureSlot(PropertyGroup):
+    """Declare world texture slot level properties for UI and translated to POV."""
+
+    bl_idname = ("pov_texture_slots",)
+    bl_description = ("Texture_slots from Blender-2.79",)
+
+    # Adding a "real" texture datablock as property is not possible
+    # (or at least not easy through a dynamically populated EnumProperty).
+    # That's why we'll use a prop_search() UILayout function in texturing_gui.py.
+    # So we'll assign the name of the needed texture datablock to the below StringProperty.
+    texture: StringProperty(update=active_texture_name_from_uilist)
+    # and use another temporary StringProperty to change the linked data
+    texture_search: StringProperty(
+        name="", update=active_texture_name_from_search, description="Browse Texture to be linked"
+    )
+
+    blend_factor: FloatProperty(
+        name="Blend",
+        description="Amount texture affects color progression of the " "background",
+        soft_min=0.0,
+        soft_max=1.0,
+        default=1.0,
+    )
+
+    horizon_factor: FloatProperty(
+        name="Horizon",
+        description="Amount texture affects color of the horizon",
+        soft_min=0.0,
+        soft_max=1.0,
+        default=1.0,
+    )
+
+    object: StringProperty(
+        name="Object",
+        description="Object to use for mapping with Object texture coordinates",
+        default="",
+    )
+
+    offset: FloatVectorProperty(
+        name="Offset",
+        description=("Fine tune of the texture mapping X, Y and Z locations "),
+        precision=4,
+        step=0.1,
+        soft_min=-100.0,
+        soft_max=100.0,
+        default=(0.0, 0.0, 0.0),
+        options={"ANIMATABLE"},
+        subtype="TRANSLATION",
+    )
+
+    scale: FloatVectorProperty(
+        name="Size",
+        subtype="XYZ",
+        size=3,
+        description="Set scaling for the texture’s X, Y and Z sizes ",
+        precision=4,
+        step=0.1,
+        soft_min=-100.0,
+        soft_max=100.0,
+        default=(1.0, 1.0, 1.0),
+        options={"ANIMATABLE"},
+    )
+
+    texture_coords: EnumProperty(
+        name="Coordinates",
+        description="Texture coordinates used to map the texture onto the background",
+        items=(
+            ("VIEW", "View", "Use view vector for the texture coordinates"),
+            (
+                "GLOBAL",
+                "Global",
+                "Use global coordinates for the texture coordinates (interior mist)",
+            ),
+            (
+                "ANGMAP",
+                "AngMap",
+                "Use 360 degree angular coordinates, e.g. for spherical light probes",
+            ),
+            ("SPHERE", "Sphere", "For 360 degree panorama sky, spherical mapped, only top half"),
+            ("EQUIRECT", "Equirectangular", "For 360 degree panorama sky, equirectangular mapping"),
+            ("TUBE", "Tube", "For 360 degree panorama sky, cylindrical mapped, only top half"),
+            ("OBJECT", "Object", "Use linked object’s coordinates for texture coordinates"),
+        ),
+        default="VIEW",
+    )
+
+    use_map_blend: BoolProperty(
+        name="Blend Map", description="Affect the color progression of the background", default=True
+    )
+
+    use_map_horizon: BoolProperty(
+        name="Horizon Map", description="Affect the color of the horizon", default=False
+    )
+
+    use_map_zenith_down: BoolProperty(
+        name="", description="Affect the color of the zenith below", default=False
+    )
+
+    use_map_zenith_up: BoolProperty(
+        name="Zenith Up Map", description="Affect the color of the zenith above", default=False
+    )
+
+    zenith_down_factor: FloatProperty(
+        name="Zenith Down",
+        description="Amount texture affects color of the zenith below",
+        soft_min=0.0,
+        soft_max=1.0,
+        default=1.0,
+    )
+
+    zenith_up_factor: FloatProperty(
+        name="Zenith Up",
+        description="Amount texture affects color of the zenith above",
+        soft_min=0.0,
+        soft_max=1.0,
+        default=1.0,
+    )
+
 
 """
 # class WORLD_TEXTURE_SLOTS_UL_layerlist(bpy.types.UIList):
@@ -371,6 +493,7 @@ classes = (
     RenderPovSettingsCamera,
     RenderPovSettingsLight,
     RenderPovSettingsWorld,
+    WorldTextureSlot,
 )
 
 
@@ -381,12 +504,14 @@ def register():
     bpy.types.Camera.pov = PointerProperty(type=RenderPovSettingsCamera)
     bpy.types.Light.pov = PointerProperty(type=RenderPovSettingsLight)
     bpy.types.World.pov = PointerProperty(type=RenderPovSettingsWorld)
+    bpy.types.World.pov_texture_slots = CollectionProperty(type=WorldTextureSlot)
 
 
 def unregister():
     del bpy.types.Camera.pov
     del bpy.types.Light.pov
     del bpy.types.World.pov
+    del bpy.types.World.pov_texture_slots
 
     for cls in reversed(classes):
         unregister_class(cls)