Improve Plasma RT Lamps.

This improves the panel layout and fixes the issue in which
`plShadowMaster` exported with `maxSize` == 0, causing crappy shadows
in PotS and generally no shadows in MOUL.

korman/exporter/rtlight.py

@@ -29,6 +29,13 @@ _BL2PL = {
 
 _FAR_POWER = 15.0
 
+SHADOW_RESOLUTION = {
+    "ABYSMAL": 64,
+    "LOW": 128,
+    "NORMAL": 256,
+    "HIGH": 512,
+}
+
 class LightConverter:
     def __init__(self, exporter):
         self._exporter = weakref.ref(exporter)
@@ -235,6 +242,8 @@ class LightConverter:
         shadow.attenDist = rtlamp.shadow_falloff
         shadow.maxDist = rtlamp.shadow_distance
         shadow.minDist = rtlamp.shadow_distance * 0.75
+        shadow.maxSize = SHADOW_RESOLUTION[rtlamp.shadow_quality]
+        # NOTE: minSize appears to be unused.
         shadow.power = rtlamp.shadow_power / 100.0
         shadow.setProperty(plShadowMaster.kSelfShadow, rtlamp.shadow_self)
 

korman/properties/prop_lamp.py

@@ -44,6 +44,14 @@ class PlasmaLamp(idprops.IDPropObjectMixin, bpy.types.PropertyGroup):
                                description="This light can cause objects to cast shadows on themselves",
                                default=False,
                                options=set())
+    shadow_quality = EnumProperty(name="Shadow Quality",
+                                  description="Maximum resolution the shadow is rendered",
+                                  items=[("ABYSMAL", "Abysmal Quality", "64x64 pixels"),
+                                         ("LOW", "Low Quality", "128x128 pixels"),
+                                         ("NORMAL", "Normal Quality", "256x256 pixels"),
+                                         ("HIGH", "High Quality", "512x512 pixels")],
+                                  default="NORMAL",
+                                  options=set())
 
     lamp_region = PointerProperty(name="Soft Volume",
                                   description="Soft region this light is active inside",

korman/ui/ui_lamp.py

@@ -41,20 +41,33 @@ class PlasmaLampPanel(LampButtonsPanel, bpy.types.Panel):
         row.prop(rtlamp, "affect_characters")
 
         col = split.column()
-        col.label("RT Shadow:")
-        col.prop(rtlamp, "cast_shadows")
+        col.label("Soft Volume:")
+        col.active = not context.object.plasma_modifiers.softvolume.enabled
+        col.prop(rtlamp, "lamp_region", text="")
 
-        col = col.column()
-        col.active = rtlamp.cast_shadows
+
+class PlasmaShadowPanel(LampButtonsPanel, bpy.types.Panel):
+    bl_label = "Plasma RT Shadow"
+
+    def draw_header(self, context):
+        self.layout.prop(context.lamp.plasma_lamp, "cast_shadows", text="")
+
+    def draw(self, context):
+        layout = self.layout
+        rtlamp = context.lamp.plasma_lamp
+        layout.active = rtlamp.cast_shadows
+
+        split = layout.split()
+        col = split.column()
+        col.prop(rtlamp, "shadow_quality", text="")
+        col.separator()
         col.prop(rtlamp, "shadow_self")
+
+        col = split.column()
         col.prop(rtlamp, "shadow_power")
         col.prop(rtlamp, "shadow_falloff")
         col.prop(rtlamp, "shadow_distance")
 
-        if not context.object.plasma_modifiers.softvolume.enabled:
-            layout.separator()
-            layout.prop(rtlamp, "lamp_region")
-
 
 def _draw_area_lamp(self, context):
     """Draw dispatch function for DATA_PT_area"""