From 2ded0a73b30cedec47f419d1aa76559b5137ffbe Mon Sep 17 00:00:00 2001
From: codereader <greebo@angua.at>
Date: Sun, 11 Apr 2021 10:38:42 +0200
Subject: [PATCH] #5585: Expose material flags

---
 install/scripts/materialtest.py               |  7 +++++++
 .../interfaces/ShaderSystemInterface.cpp      | 19 +++++++++++++++++++
 .../script/interfaces/ShaderSystemInterface.h | 17 +++++++++++++++++
 3 files changed, 43 insertions(+)

diff --git a/install/scripts/materialtest.py b/install/scripts/materialtest.py
index 8f2d1d7321..7acd57abd9 100644
--- a/install/scripts/materialtest.py
+++ b/install/scripts/materialtest.py
@@ -36,16 +36,23 @@
 
 newMaterial.setSortRequest(45.3)
 
+print('Cull type: {0}'.format(newMaterial.getCullType()))
+print('Clamp type: {0}'.format(newMaterial.getClampType()))
+print('Flags: {0}'.format(newMaterial.getMaterialFlags()))
+
 # There are a couple of pre-defined sort requests, corresponding to the engine code
 newMaterial.setSortRequest(dr.Material.SortRequest.NEAREST)
 newMaterial.setClampType(dr.Material.ClampType.NOREPEAT) # clamp
 newMaterial.setCullType(dr.Material.CullType.NONE) # twosided
 newMaterial.setPolygonOffset(0.3)
+newMaterial.setMaterialFlag(dr.Material.Flag.NOSHADOWS)
 
 print('Full Material definition:\n{0}\n{{{1}}}'.format(newMaterial.getName(), newMaterial.getDefinition()))
 
 GlobalMaterialManager.saveMaterial(newMaterial.getName())
 
+newMaterial.clearMaterialFlag(dr.Material.Flag.NOSHADOWS)
+
 fullPath = GlobalFileSystem.findFile(filename) + filename
 print(fullPath)
 os.remove(fullPath)
diff --git a/plugins/script/interfaces/ShaderSystemInterface.cpp b/plugins/script/interfaces/ShaderSystemInterface.cpp
index 2ff9a163ed..433866ede2 100644
--- a/plugins/script/interfaces/ShaderSystemInterface.cpp
+++ b/plugins/script/interfaces/ShaderSystemInterface.cpp
@@ -114,6 +114,22 @@ void ShaderSystemInterface::registerInterface(py::module& scope, py::dict& globa
         .value("ALPHAZEROCLAMP", CLAMP_ALPHAZEROCLAMP)
         .export_values();
 
+    py::enum_<Material::Flags>(material, "Flag")
+        .value("NOSHADOWS", Material::FLAG_NOSHADOWS)
+        .value("NOSELFSHADOW", Material::FLAG_NOSELFSHADOW)
+        .value("FORCESHADOWS", Material::FLAG_FORCESHADOWS)
+        .value("NOOVERLAYS", Material::FLAG_NOOVERLAYS)
+        .value("FORCEOVERLAYS", Material::FLAG_FORCEOVERLAYS)
+        .value("TRANSLUCENT", Material::FLAG_TRANSLUCENT)
+        .value("FORCEOPAQUE", Material::FLAG_FORCEOPAQUE)
+        .value("NOFOG", Material::FLAG_NOFOG)
+        .value("NOPORTALFOG", Material::FLAG_NOPORTALFOG)
+        .value("UNSMOOTHEDTANGENTS", Material::FLAG_UNSMOOTHEDTANGENTS)
+        .value("MIRROR", Material::FLAG_MIRROR)
+        .value("POLYGONOFFSET", Material::FLAG_POLYGONOFFSET)
+        .value("ISLIGHTGEMSURF", Material::FLAG_ISLIGHTGEMSURF)
+        .export_values();
+
 	material.def(py::init<const MaterialPtr&>());
 	material.def("getName", &ScriptMaterial::getName);
 	material.def("getShaderFileName", &ScriptMaterial::getShaderFileName);
@@ -138,6 +154,9 @@ void ShaderSystemInterface::registerInterface(py::module& scope, py::dict& globa
 	material.def("setClampType", &ScriptMaterial::setClampType);
 	material.def("getCullType", &ScriptMaterial::getCullType);
 	material.def("setCullType", &ScriptMaterial::setCullType);
+	material.def("getMaterialFlags", &ScriptMaterial::getMaterialFlags);
+	material.def("setMaterialFlag", &ScriptMaterial::setMaterialFlag);
+	material.def("clearMaterialFlag", &ScriptMaterial::clearMaterialFlag);
 
 	// Expose the MaterialVisitor interface
 
diff --git a/plugins/script/interfaces/ShaderSystemInterface.h b/plugins/script/interfaces/ShaderSystemInterface.h
index 81bb70f34c..1978375b9a 100644
--- a/plugins/script/interfaces/ShaderSystemInterface.h
+++ b/plugins/script/interfaces/ShaderSystemInterface.h
@@ -141,6 +141,23 @@ class ScriptMaterial
         if (_material) _material->setCullType(type);
     }
 
+    int getMaterialFlags() const
+    {
+        return _material ? _material->getMaterialFlags() : 0;
+    }
+
+    void setMaterialFlag(Material::Flags flag)
+    {
+        throwIfMaterialCannotBeModified();
+        if (_material) _material->setMaterialFlag(flag);
+    }
+
+    void clearMaterialFlag(Material::Flags flag)
+    {
+        throwIfMaterialCannotBeModified();
+        if (_material) _material->clearMaterialFlag(flag);
+    }
+
 private:
     void throwIfMaterialCannotBeModified()
     {