Reuse object_shader for "wielditem" and "item" entity drawtypes (#9537)

src/client/camera.cpp

@@ -542,7 +542,7 @@ void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime, f32 tool_r
 	m_wieldnode->setPosition(wield_position);
 	m_wieldnode->setRotation(wield_rotation);
 
-	m_wieldnode->setColor(player->light_color);
+	m_wieldnode->setNodeLightColor(player->light_color);
 
 	// Set render distance
 	updateViewingRange();

src/client/content_cao.cpp

@@ -826,11 +826,12 @@ void GenericCAO::setNodeLight(u8 light)
 	video::SColor color(255, light, light, light);
 
 	if (m_prop.visual == "wielditem" || m_prop.visual == "item") {
-		// Since these types of visuals are using their own shader
-		// they should be handled separately
 		if (m_wield_meshnode)
-			m_wield_meshnode->setColor(color);
-	} else if (m_enable_shaders) {
+			m_wield_meshnode->setNodeLightColor(color);
+		return;
+	}
+
+	if (m_enable_shaders) {
 		scene::ISceneNode *node = getSceneNode();
 
 		if (node == nullptr)

src/client/wieldmesh.cpp

@@ -347,7 +347,7 @@ void WieldMeshSceneNode::setItem(const ItemStack &item, Client *client, bool che
 	scene::SMesh *mesh = nullptr;
 
 	if (m_enable_shaders) {
-		u32 shader_id = shdrsrc->getShader("wielded_shader", TILE_MATERIAL_BASIC, NDT_NORMAL);
+		u32 shader_id = shdrsrc->getShader("object_shader", TILE_MATERIAL_BASIC, NDT_NORMAL);
 		m_material_type = shdrsrc->getShaderInfo(shader_id).material;
 	}
 
@@ -471,6 +471,21 @@ void WieldMeshSceneNode::setColor(video::SColor c)
 	}
 }
 
+void WieldMeshSceneNode::setNodeLightColor(video::SColor color)
+{
+	if (!m_meshnode)
+		return;
+
+	if (m_enable_shaders) {
+		for (u32 i = 0; i < m_meshnode->getMaterialCount(); ++i) {
+			video::SMaterial &material = m_meshnode->getMaterial(i);
+			material.EmissiveColor = color;
+		}
+	} else {
+		setColor(color);
+	}
+}
+
 void WieldMeshSceneNode::render()
 {
 	// note: if this method is changed to actually do something,

src/client/wieldmesh.h

@@ -87,6 +87,8 @@ class WieldMeshSceneNode : public scene::ISceneNode
 	// Must only be used if the constructor was called with lighting = false
 	void setColor(video::SColor color);
 
+	void setNodeLightColor(video::SColor color);
+
 	scene::IMesh *getMesh() { return m_meshnode->getMesh(); }
 
 	virtual void render();