From 3379021b7d96c77c47bef9be34a5a4c69bb01bde Mon Sep 17 00:00:00 2001
From: codereader <greebo@angua.at>
Date: Sun, 11 Apr 2021 12:49:06 +0200
Subject: [PATCH] #5585: Preliminary exposure of IShaderLayer::MapType in the
 Material scope

---
 install/scripts/materialtest.py               |  1 +
 .../interfaces/ShaderSystemInterface.cpp      | 14 +++++++++++
 .../script/interfaces/ShaderSystemInterface.h | 23 +++++++++++++++++++
 3 files changed, 38 insertions(+)

diff --git a/install/scripts/materialtest.py b/install/scripts/materialtest.py
index 0d9e100e1a..37ba453a90 100644
--- a/install/scripts/materialtest.py
+++ b/install/scripts/materialtest.py
@@ -50,6 +50,7 @@
 print('DecalInfo.startColour: {0}'.format(newMaterial.getDecalInfo().startColour))
 print('DecalInfo.endColour: {0}'.format(newMaterial.getDecalInfo().endColour))
 print('Coverage: {0}'.format(newMaterial.getCoverage()))
+print('Light Falloff Map Type: {0}'.format(newMaterial.getLightFalloffCubeMapType()))
 
 # There are a couple of pre-defined sort requests, corresponding to the engine code
 newMaterial.setSortRequest(dr.Material.SortRequest.NEAREST)
diff --git a/plugins/script/interfaces/ShaderSystemInterface.cpp b/plugins/script/interfaces/ShaderSystemInterface.cpp
index fdf8705a51..6746e14bde 100644
--- a/plugins/script/interfaces/ShaderSystemInterface.cpp
+++ b/plugins/script/interfaces/ShaderSystemInterface.cpp
@@ -208,6 +208,16 @@ void ShaderSystemInterface::registerInterface(py::module& scope, py::dict& globa
         .value("TRANSLUCENT", Material::MC_TRANSLUCENT)
         .export_values();
 
+    py::enum_<IShaderLayer::MapType>(material, "MapType")
+        .value("Map", IShaderLayer::MapType::Map)
+        .value("CubeMap", IShaderLayer::MapType::CubeMap)
+        .value("CameraCubeMap", IShaderLayer::MapType::CameraCubeMap)
+        .value("VideoMap", IShaderLayer::MapType::VideoMap)
+        .value("SoundMap", IShaderLayer::MapType::SoundMap)
+        .value("MirrorRenderMap", IShaderLayer::MapType::MirrorRenderMap)
+        .value("RemoteRenderMap", IShaderLayer::MapType::RemoteRenderMap)
+        .export_values();
+
 	material.def(py::init<const MaterialPtr&>());
 	material.def("getName", &ScriptMaterial::getName);
 	material.def("getShaderFileName", &ScriptMaterial::getShaderFileName);
@@ -252,6 +262,10 @@ void ShaderSystemInterface::registerInterface(py::module& scope, py::dict& globa
     material.def("setSpectrum", &ScriptMaterial::setSpectrum);
     material.def("getDecalInfo", &ScriptMaterial::getDecalInfo);
     material.def("getCoverage", &ScriptMaterial::getCoverage);
+    material.def("getLightFalloffExpressionString", &ScriptMaterial::getLightFalloffExpressionString);
+    material.def("setLightFalloffExpressionFromString", &ScriptMaterial::setLightFalloffExpressionFromString);
+    material.def("getLightFalloffCubeMapType", &ScriptMaterial::getLightFalloffCubeMapType);
+    material.def("setLightFalloffCubeMapType", &ScriptMaterial::setLightFalloffCubeMapType);
 
 	// Expose the MaterialVisitor interface
 
diff --git a/plugins/script/interfaces/ShaderSystemInterface.h b/plugins/script/interfaces/ShaderSystemInterface.h
index 1b45c11487..ad653b4cc1 100644
--- a/plugins/script/interfaces/ShaderSystemInterface.h
+++ b/plugins/script/interfaces/ShaderSystemInterface.h
@@ -251,6 +251,29 @@ class ScriptMaterial
         return _material ? _material->getCoverage() : Material::MC_UNDETERMINED;
     }
 
+    std::string getLightFalloffExpressionString()
+    {
+        return _material && _material->getLightFalloffExpression() ?
+            _material->getLightFalloffExpression()->getExpressionString() : std::string();
+    }
+
+    void setLightFalloffExpressionFromString(const std::string& expressionString)
+    {
+        throwIfMaterialCannotBeModified();
+        if (_material) _material->setLightFalloffExpressionFromString(expressionString);
+    }
+
+    IShaderLayer::MapType getLightFalloffCubeMapType()
+    {
+        return _material ? _material->getLightFalloffCubeMapType() : IShaderLayer::MapType::Map;
+    }
+
+    void setLightFalloffCubeMapType(IShaderLayer::MapType type)
+    {
+        throwIfMaterialCannotBeModified();
+        if (_material) _material->setLightFalloffCubeMapType(type);
+    }
+
 private:
     void throwIfMaterialCannotBeModified()
     {