From 91bafceee6606fab79db1bde4cba01b84fed65c7 Mon Sep 17 00:00:00 2001
From: Sapier <sapier AT gmx dot net>
Date: Sat, 19 Dec 2015 04:43:59 +0100
Subject: Add support for using arbitrary meshes as items

---
 src/content_cao.cpp | 61 +++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 52 insertions(+), 9 deletions(-)

(limited to 'src/content_cao.cpp')

diff --git a/src/content_cao.cpp b/src/content_cao.cpp
index 1b8e84c8f..bde0dd320 100644
--- a/src/content_cao.cpp
+++ b/src/content_cao.cpp
@@ -954,15 +954,43 @@ void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 			IItemDefManager *idef = m_gamedef->idef();
 			ItemStack item(m_prop.textures[0], 1, 0, "", idef);
 
-			m_wield_meshnode = new WieldMeshSceneNode(
-					smgr->getRootSceneNode(), smgr, -1);
-			m_wield_meshnode->setItem(item, m_gamedef);
-
-			m_wield_meshnode->setScale(v3f(m_prop.visual_size.X/2,
-					m_prop.visual_size.Y/2,
-					m_prop.visual_size.X/2));
-			u8 li = m_last_light;
-			m_wield_meshnode->setColor(video::SColor(255,li,li,li));
+			if (!item.getDefinition(idef).meshname.empty())
+			{
+				scene::IAnimatedMesh *mesh = m_gamedef->getMesh(item.getDefinition(idef).meshname);
+				if(mesh)
+				{
+					m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
+
+					m_animated_meshnode->grab();
+					mesh->drop(); // The scene node took hold of it
+					m_animated_meshnode->animateJoints(); // Needed for some animations
+					m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
+							m_prop.visual_size.Y,
+							m_prop.visual_size.X));
+					u8 li = m_last_light;
+					setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
+
+					bool backface_culling = m_prop.backface_culling;
+					if (m_is_player)
+						backface_culling = false;
+
+					m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
+					m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
+					m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
+					m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
+					m_animated_meshnode->setMaterialFlag(video::EMF_BACK_FACE_CULLING, backface_culling);
+				}
+			}
+			else {
+				m_wield_meshnode = new WieldMeshSceneNode(
+						smgr->getRootSceneNode(), smgr, -1);
+				m_wield_meshnode->setItem(item, m_gamedef);
+				m_wield_meshnode->setScale(v3f(m_prop.visual_size.X/2,
+						m_prop.visual_size.Y/2,
+						m_prop.visual_size.X/2));
+				u8 li = m_last_light;
+				m_wield_meshnode->setColor(video::SColor(255,li,li,li));
+			}
 		}
 	} else {
 		infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
@@ -1402,6 +1430,21 @@ void GenericCAO::updateTextures(const std::string &mod)
 				m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
 			}
 		}
+		else if (m_prop.visual == "wielditem") {
+			IItemDefManager *idef = m_gamedef->idef();
+			ItemStack item(m_prop.textures[0], 1, 0, "", idef);
+
+			if (!item.getDefinition(idef).meshname.empty()) {
+
+				unsigned int materialcount = m_animated_meshnode->getMaterialCount();
+
+				for (unsigned int i = 0; i < materialcount; i++) {
+					m_animated_meshnode->getMaterial(i)
+							.setTexture(0, tsrc->getTexture(item
+									.getDefinition(idef).meshtexture));
+				}
+			}
+		}
 	}
 	if(m_meshnode)
 	{
-- 
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