Ability to control light direction from F3D Render Settings

fast64_internal/f3d/f3d_material.py

@@ -668,6 +668,7 @@ class F3DPanel(bpy.types.Panel):
         if f3d_mat.rdp_settings.g_lighting:
             prop_input_left.separator(factor=.25)
             light_controls = prop_input_left.box()
+            light_controls.enabled = f3d_mat.set_lights
 
             light_controls.prop(f3d_mat, "use_default_lighting", text="Use Custom Lighting", invert_checkbox=True)
 
@@ -1784,7 +1785,7 @@ BLENDER_MODE_TO_MODE_SET = {
 }
 get_mode_set_from_context_mode = lambda mode: BLENDER_MODE_TO_MODE_SET.get(mode, "OBJECT")
 
-SCENE_PROPERTIES_VERSION = 0
+SCENE_PROPERTIES_VERSION = 1
 
 def createOrUpdateSceneProperties():
     group = bpy.data.node_groups.get("SceneProperties")
@@ -1818,6 +1819,7 @@ def createOrUpdateSceneProperties():
     _nodeFogFar: bpy.types.NodeSocketInt = new_group.outputs.new("NodeSocketInt", "FogFar")
     _nodeShadeColor: bpy.types.NodeSocketColor = new_group.outputs.new("NodeSocketColor", "ShadeColor")
     _nodeAmbientColor: bpy.types.NodeSocketColor = new_group.outputs.new("NodeSocketColor", "AmbientColor")
+    _nodeLightDirection: bpy.types.NodeSocketColor = new_group.outputs.new("NodeSocketVectorDirection", "LightDirection")
 
     # Set outputs from render settings
     sceneOutputs: bpy.types.NodeGroupOutput = new_group.nodes['Group Output']
@@ -1847,6 +1849,7 @@ def createScenePropertiesForMaterial(material: bpy.types.Material):
 
     node_tree.links.new(scene_props.outputs["ShadeColor"], node_tree.nodes["ShadeColor"].inputs[0])
     node_tree.links.new(scene_props.outputs["AmbientColor"], node_tree.nodes["AmbientColor"].inputs[0])
+    node_tree.links.new(scene_props.outputs["LightDirection"], node_tree.nodes["LightDirection"].inputs[0])
 
 def link_f3d_material_library():
     dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "f3d_material_library.blend")
@@ -2900,6 +2903,7 @@ class F3DRenderSettingsPanel(bpy.types.Panel):
         globalSettingsBox.separator(factor=0.125)
         prop_split(globalSettingsBox, renderSettings, 'ambientColor', "Ambient Light")
         prop_split(globalSettingsBox, renderSettings, 'lightColor', "Light Color")
+        prop_split(globalSettingsBox, renderSettings, 'lightDirection', "Light Direction")
         
         if context.scene.gameEditorMode in ["SM64", "OOT"]:
             layout.separator(factor=0.5)

fast64_internal/render_settings.py

@@ -1,5 +1,6 @@
 import bpy
-from .utility import get_blender_to_game_scale
+import mathutils
+from .utility import get_blender_to_game_scale, transform_mtx_blender_to_n64
 
 def on_update_sm64_render_settings(self, context: bpy.types.Context):
     renderSettings: "Fast64RenderSettings_Properties" = context.scene.fast64.renderSettings
@@ -27,7 +28,10 @@ def update_scene_props_from_render_settings(context: bpy.types.Context, sceneOut
 
     sceneOutputs.inputs['ShadeColor'].default_value = tuple(c for c in renderSettings.lightColor)
     sceneOutputs.inputs['AmbientColor'].default_value = tuple(c for c in renderSettings.ambientColor)
-    
+    sceneOutputs.inputs['LightDirection'].default_value = tuple(
+        d for d in (
+            mathutils.Vector(renderSettings.lightDirection) @ transform_mtx_blender_to_n64()))
+
     sceneOutputs.inputs['Blender_Game_Scale'].default_value = float(get_blender_to_game_scale(context))
     
 
@@ -96,6 +100,15 @@ class Fast64RenderSettings_Properties(bpy.types.PropertyGroup):
         default=(1, 1, 1, 1),
         update=on_update_render_preview_nodes
     )
+    lightDirection: bpy.props.FloatVectorProperty(
+        name="Light Direction",
+        subtype="DIRECTION",
+        size=3,
+        min=-1,
+        max=1,
+        default=mathutils.Vector((0.5, 0.5, 1)).normalized(), # pre normalized
+        update=on_update_render_preview_nodes
+    )
     # Fog Preview is int because values reflect F3D values
     fogPreviewPosition: bpy.props.IntVectorProperty(name="Fog Position", size=2, min=0, max=0x7FFFFFFF, default=(985, 1000), update=on_update_render_preview_nodes)
     # Clipping planes are float because values reflect F3D values