From a1577331fde908456453ae45686bdc8a0ec91369 Mon Sep 17 00:00:00 2001
From: Adam Johnson <AdamJohnso@gmail.com>
Date: Sat, 9 Jul 2016 21:41:02 -0400
Subject: [PATCH] Add "Cast RT Shadow" modifier

---
 korman/properties/modifiers/render.py | 40 +++++++++++++++++++++++++++
 korman/ui/modifiers/render.py         | 11 ++++++++
 2 files changed, 51 insertions(+)

diff --git a/korman/properties/modifiers/render.py b/korman/properties/modifiers/render.py
index ab235bf..97a7715 100644
--- a/korman/properties/modifiers/render.py
+++ b/korman/properties/modifiers/render.py
@@ -277,6 +277,46 @@ class PlasmaLightingMod(PlasmaModifierProperties):
         return False
 
 
+class PlasmaShadowCasterMod(PlasmaModifierProperties):
+    pl_id = "rtshadow"
+
+    bl_category = "Render"
+    bl_label = "Cast RT Shadow"
+    bl_description = "Cast runtime shadows"
+
+    blur = IntProperty(name="Blur",
+                       description="Blur factor for the shadow map",
+                       min=0, max=100, default=0,
+                       subtype="PERCENTAGE", options=set())
+    boost = IntProperty(name="Boost",
+                        description="Multiplies the shadow's power",
+                        min=0, max=5000, default=100,
+                        subtype="PERCENTAGE", options=set())
+    falloff = IntProperty(name="Falloff",
+                          description="Multiplier for each lamp's falloff value",
+                          min=10, max=1000, default=100,
+                          subtype="PERCENTAGE", options=set())
+
+    limit_resolution = BoolProperty(name="Limit Resolution",
+                                    description="Increase performance by halving the resolution of the shadow map",
+                                    default=False,
+                                    options=set())
+    self_shadow = BoolProperty(name="Self Shadow",
+                               description="Object can cast shadows on itself",
+                               default=False,
+                               options=set())
+
+    def export(self, exporter, bo, so):
+        caster = exporter.mgr.find_create_object(plShadowCaster, so=so, name=self.key_name)
+        caster.attenScale = self.falloff / 100.0
+        caster.blurScale = self.blur / 100.0
+        caster.boost = self.boost / 100.0
+        if self.limit_resolution:
+            caster.castFlags |= plShadowCaster.kLimitRes
+        if self.self_shadow:
+            caster.castFlags |= plShadowCaster.kSelfShadow
+
+
 class PlasmaViewFaceMod(PlasmaModifierProperties):
     pl_id = "viewfacemod"
 
diff --git a/korman/ui/modifiers/render.py b/korman/ui/modifiers/render.py
index a4474c2..5020a54 100644
--- a/korman/ui/modifiers/render.py
+++ b/korman/ui/modifiers/render.py
@@ -100,6 +100,17 @@ def lightmap(modifier, layout, context):
         if tex.image.name == im_name:
             layout.template_preview(tex, show_buttons=False)
 
+def rtshadow(modifier, layout, context):
+    split = layout.split()
+    col = split.column()
+    col.prop(modifier, "blur")
+    col.prop(modifier, "boost")
+    col.prop(modifier, "falloff")
+
+    col = split.column()
+    col.prop(modifier, "limit_resolution")
+    col.prop(modifier, "self_shadow")
+
 def viewfacemod(modifier, layout, context):
     layout.prop(modifier, "preset_options")