C++ ITextureSource::getTextureName方法代码示例

//.........这里部分代码省略.........
	*/
	bool enable_shaders     = g_settings->getBool("enable_shaders");
	bool enable_bumpmapping = g_settings->getBool("enable_bumpmapping");
	bool enable_parallax_occlusion = g_settings->getBool("enable_parallax_occlusion");

	video::E_MATERIAL_TYPE  shadermat1, shadermat2, shadermat3,
							shadermat4, shadermat5;
	shadermat1 = shadermat2 = shadermat3 = shadermat4 = shadermat5 = 
		video::EMT_SOLID;

	if (enable_shaders) {
		IShaderSource *shdrsrc = m_gamedef->getShaderSource();
		shadermat1 = shdrsrc->getShader("solids_shader").material;
		shadermat2 = shdrsrc->getShader("liquids_shader").material;
		shadermat3 = shdrsrc->getShader("alpha_shader").material;
		shadermat4 = shdrsrc->getShader("leaves_shader").material;
		shadermat5 = shdrsrc->getShader("plants_shader").material;
	}

	for(u32 i = 0; i < collector.prebuffers.size(); i++)
	{
		PreMeshBuffer &p = collector.prebuffers[i];
		/*dstream<<"p.vertices.size()="<<p.vertices.size()
				<<", p.indices.size()="<<p.indices.size()
				<<std::endl;*/

		// Generate animation data
		// - Cracks
		if(p.tile.material_flags & MATERIAL_FLAG_CRACK)
		{
			ITextureSource *tsrc = data->m_gamedef->tsrc();
			// Find the texture name plus ^[crack:N:
			std::ostringstream os(std::ios::binary);
			os<<tsrc->getTextureName(p.tile.texture_id)<<"^[crack";
			if(p.tile.material_flags & MATERIAL_FLAG_CRACK_OVERLAY)
				os<<"o";  // use ^[cracko
			os<<":"<<(u32)p.tile.animation_frame_count<<":";
			m_crack_materials.insert(std::make_pair(i, os.str()));
			// Replace tile texture with the cracked one
			p.tile.texture = tsrc->getTexture(
					os.str()+"0",
					&p.tile.texture_id);
		}
		// - Texture animation
		if(p.tile.material_flags & MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
		{
			ITextureSource *tsrc = data->m_gamedef->tsrc();
			// Add to MapBlockMesh in order to animate these tiles
			m_animation_tiles[i] = p.tile;
			m_animation_frames[i] = 0;
			if(g_settings->getBool("desynchronize_mapblock_texture_animation")){
				// Get starting position from noise
				m_animation_frame_offsets[i] = 100000 * (2.0 + noise3d(
						data->m_blockpos.X, data->m_blockpos.Y,
						data->m_blockpos.Z, 0));
			} else {
				// Play all synchronized
				m_animation_frame_offsets[i] = 0;
			}
			// Replace tile texture with the first animation frame
			std::ostringstream os(std::ios::binary);
			os<<tsrc->getTextureName(p.tile.texture_id);
			os<<"^[verticalframe:"<<(int)p.tile.animation_frame_count<<":0";
			p.tile.texture = tsrc->getTexture(
					os.str(),
					&p.tile.texture_id);

bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_ratio)
{
	bool enable_shaders = g_settings->getBool("enable_shaders");
	bool enable_bumpmapping = g_settings->getBool("enable_bumpmapping");
	bool enable_parallax_occlusion = g_settings->getBool("enable_parallax_occlusion");

	if(!m_has_animation)
	{
		m_animation_force_timer = 100000;
		return false;
	}

	m_animation_force_timer = myrand_range(5, 100);

	// Cracks
	if(crack != m_last_crack)
	{
		for(std::map<u32, std::string>::iterator
				i = m_crack_materials.begin();
				i != m_crack_materials.end(); i++)
		{
			scene::IMeshBuffer *buf = m_mesh->getMeshBuffer(i->first);
			std::string basename = i->second;

			// Create new texture name from original
			ITextureSource *tsrc = m_gamedef->getTextureSource();
			std::ostringstream os;
			os<<basename<<crack;
			u32 new_texture_id = 0;
			video::ITexture *new_texture =
				tsrc->getTexture(os.str(), &new_texture_id);
			buf->getMaterial().setTexture(0, new_texture);

			// If the current material is also animated,
			// update animation info
			std::map<u32, TileSpec>::iterator anim_iter =
				m_animation_tiles.find(i->first);
			if(anim_iter != m_animation_tiles.end()){
				TileSpec &tile = anim_iter->second;
				tile.texture = new_texture;
				tile.texture_id = new_texture_id;
				// force animation update
				m_animation_frames[i->first] = -1;
			}
		}

		m_last_crack = crack;
	}
	
	// Texture animation
	for(std::map<u32, TileSpec>::iterator
			i = m_animation_tiles.begin();
			i != m_animation_tiles.end(); i++)
	{
		const TileSpec &tile = i->second;
		// Figure out current frame
		int frameoffset = m_animation_frame_offsets[i->first];
		int frame = (int)(time * 1000 / tile.animation_frame_length_ms
				+ frameoffset) % tile.animation_frame_count;
		// If frame doesn't change, skip
		if(frame == m_animation_frames[i->first])
			continue;

		m_animation_frames[i->first] = frame;

		scene::IMeshBuffer *buf = m_mesh->getMeshBuffer(i->first);
		ITextureSource *tsrc = m_gamedef->getTextureSource();

		// Create new texture name from original
		std::ostringstream os(std::ios::binary);
		os<<tsrc->getTextureName(tile.texture_id);
		os<<"^[verticalframe:"<<(int)tile.animation_frame_count<<":"<<frame;
		// Set the texture
		buf->getMaterial().setTexture(0, tsrc->getTexture(os.str()));
		buf->getMaterial().setTexture(2, tsrc->getTexture("disable_img.png"));
		if (enable_shaders && (enable_bumpmapping || enable_parallax_occlusion))
			{
				std::string fname_base,fname_normal;
				fname_base = tsrc->getTextureName(tile.texture_id);
				unsigned pos;
				pos = fname_base.find(".");
				fname_normal = fname_base.substr (0, pos);
				fname_normal += "_normal.png";
				if (tsrc->isKnownSourceImage(fname_normal)){
					os.str("");
					os<<fname_normal<<"^[verticalframe:"<<(int)tile.animation_frame_count<<":"<<frame;
					buf->getMaterial().setTexture(1, tsrc->getTexture(os.str()));
					buf->getMaterial().setTexture(2, tsrc->getTexture("enable_img.png"));
				}
			}
	}

	// Day-night transition
	if(daynight_ratio != m_last_daynight_ratio)
	{
		for(std::map<u32, std::map<u32, std::pair<u8, u8> > >::iterator
				i = m_daynight_diffs.begin();
				i != m_daynight_diffs.end(); i++)
		{
			scene::IMeshBuffer *buf = m_mesh->getMeshBuffer(i->first);
//.........这里部分代码省略.........

bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_ratio)
{
	if(!m_has_animation)
	{
		m_animation_force_timer = 100000;
		return false;
	}

	m_animation_force_timer = myrand_range(5, 100);

	// Cracks
	if(crack != m_last_crack)
	{
		for(std::map<u32, std::string>::iterator
				i = m_crack_materials.begin();
				i != m_crack_materials.end(); i++)
		{
			scene::IMeshBuffer *buf = m_mesh->getMeshBuffer(i->first);
			std::string basename = i->second;

			// Create new texture name from original
			ITextureSource *tsrc = m_gamedef->getTextureSource();
			std::ostringstream os;
			os<<basename<<crack;
			AtlasPointer ap = tsrc->getTexture(os.str());
			buf->getMaterial().setTexture(0, ap.atlas);
		}

		m_last_crack = crack;
	}
	
	// Texture animation
	for(std::map<u32, TileSpec>::iterator
			i = m_animation_tiles.begin();
			i != m_animation_tiles.end(); i++)
	{
		const TileSpec &tile = i->second;
		// Figure out current frame
		int frameoffset = m_animation_frame_offsets[i->first];
		int frame = (int)(time * 1000 / tile.animation_frame_length_ms
				+ frameoffset) % tile.animation_frame_count;
		// If frame doesn't change, skip
		if(frame == m_animation_frames[i->first])
			continue;

		m_animation_frames[i->first] = frame;

		scene::IMeshBuffer *buf = m_mesh->getMeshBuffer(i->first);
		ITextureSource *tsrc = m_gamedef->getTextureSource();

		// Create new texture name from original
		std::ostringstream os(std::ios::binary);
		os<<tsrc->getTextureName(tile.texture.id);
		os<<"^[verticalframe:"<<(int)tile.animation_frame_count<<":"<<frame;
		// Set the texture
		AtlasPointer ap = tsrc->getTexture(os.str());
		buf->getMaterial().setTexture(0, ap.atlas);
	}

	// Day-night transition
	if(daynight_ratio != m_last_daynight_ratio)
	{
		for(std::map<u32, std::map<u32, std::pair<u8, u8> > >::iterator
				i = m_daynight_diffs.begin();
				i != m_daynight_diffs.end(); i++)
		{
			scene::IMeshBuffer *buf = m_mesh->getMeshBuffer(i->first);
			video::S3DVertex *vertices = (video::S3DVertex*)buf->getVertices();
			for(std::map<u32, std::pair<u8, u8 > >::iterator
					j = i->second.begin();
					j != i->second.end(); j++)
			{
				u32 vertexIndex = j->first;
				u8 day = j->second.first;
				u8 night = j->second.second;
				finalColorBlend(vertices[vertexIndex].Color,
						day, night, daynight_ratio);
				// Brighten topside (no shaders)
				if(vertices[vertexIndex].Normal.Y > 0.5)
				{
					video::SColor &vc = vertices[vertexIndex].Color;
					vc.setRed  (srgb_linear_multiply(vc.getRed(),   1.3, 255.0));
					vc.setGreen(srgb_linear_multiply(vc.getGreen(), 1.3, 255.0));
					vc.setBlue (srgb_linear_multiply(vc.getBlue(),  1.3, 255.0));
				}
			}
		}
		m_last_daynight_ratio = daynight_ratio;
	}

	return true;
}

//.........这里部分代码省略.........
						vertices[i].Pos.rotateXZBy(-45);
				}
				else if(j == 2)
				{
					for(u16 i=0; i<4; i++)
						vertices[i].Pos.rotateXZBy(135);
				}
				else if(j == 3)
				{
					for(u16 i=0; i<4; i++)
						vertices[i].Pos.rotateXZBy(-135);
				}

				for(u16 i=0; i<4; i++)
				{
					vertices[i].Pos *= f.visual_scale;
					vertices[i].Pos += intToFloat(p, BS);
				}

				u16 indices[] = {0,1,2,2,3,0};
				// Add to mesh collector
				collector.append(tile, vertices, 4, indices, 6);
			}
		break;}
		case NDT_FENCELIKE:
		{
			TileSpec tile = getNodeTile(n, p, v3s16(0,0,0), data);
			TileSpec tile_nocrack = tile;
			tile_nocrack.material_flags &= ~MATERIAL_FLAG_CRACK;
			
			// A hack to put wood the right way around in the posts
			ITextureSource *tsrc = data->m_gamedef->tsrc();
			TileSpec tile_rot = tile;
			tile_rot.texture = tsrc->getTexture(tsrc->getTextureName(
					tile.texture.id) + "^[transformR90");
					
			u16 l = getInteriorLight(n, 1, data);
			video::SColor c = MapBlock_LightColor(255, l);

			const f32 post_rad=(f32)BS/8;
			const f32 bar_rad=(f32)BS/16;
			const f32 bar_len=(f32)(BS/2)-post_rad;

			v3f pos = intToFloat(p, BS);

			// The post - always present
			aabb3f post(-post_rad,-BS/2,-post_rad,post_rad,BS/2,post_rad);
			post.MinEdge += pos;
			post.MaxEdge += pos;
			f32 postuv[24]={
					6/16.,6/16.,10/16.,10/16.,
					6/16.,6/16.,10/16.,10/16.,
					0/16.,0,4/16.,1,
					4/16.,0,8/16.,1,
					8/16.,0,12/16.,1,
					12/16.,0,16/16.,1};
			makeCuboid(&collector, post, &tile_rot, 1, c, postuv);

			// Now a section of fence, +X, if there's a post there
			v3s16 p2 = p;
			p2.X++;
			MapNode n2 = data->m_vmanip.getNodeNoEx(blockpos_nodes + p2);
			const ContentFeatures *f2 = &nodedef->get(n2);
			if(f2->drawtype == NDT_FENCELIKE)
			{
				aabb3f bar(-bar_len+BS/2,-bar_rad+BS/4,-bar_rad,

void WieldMeshSceneNode::setItem(const ItemStack &item, Client *client)
{
	ITextureSource *tsrc = client->getTextureSource();
	IItemDefManager *idef = client->getItemDefManager();
	IShaderSource *shdrsrc = client->getShaderSource();
	const NodeDefManager *ndef = client->getNodeDefManager();
	const ItemDefinition &def = item.getDefinition(idef);
	const ContentFeatures &f = ndef->get(def.name);
	content_t id = ndef->getId(def.name);

	scene::SMesh *mesh = nullptr;

	if (m_enable_shaders) {
		u32 shader_id = shdrsrc->getShader("wielded_shader", TILE_MATERIAL_BASIC, NDT_NORMAL);
		m_material_type = shdrsrc->getShaderInfo(shader_id).material;
	}

	// Color-related
	m_colors.clear();
	m_base_color = idef->getItemstackColor(item, client);

	// If wield_image is defined, it overrides everything else
	if (!def.wield_image.empty()) {
		setExtruded(def.wield_image, def.wield_overlay, def.wield_scale, tsrc,
			1);
		m_colors.emplace_back();
		// overlay is white, if present
		m_colors.emplace_back(true, video::SColor(0xFFFFFFFF));
		return;
	}

	// Handle nodes
	// See also CItemDefManager::createClientCached()
	if (def.type == ITEM_NODE) {
		if (f.mesh_ptr[0]) {
			// e.g. mesh nodes and nodeboxes
			mesh = cloneMesh(f.mesh_ptr[0]);
			postProcessNodeMesh(mesh, f, m_enable_shaders, true,
				&m_material_type, &m_colors);
			changeToMesh(mesh);
			mesh->drop();
			// mesh is pre-scaled by BS * f->visual_scale
			m_meshnode->setScale(
					def.wield_scale * WIELD_SCALE_FACTOR
					/ (BS * f.visual_scale));
		} else {
			switch (f.drawtype) {
				case NDT_AIRLIKE: {
					changeToMesh(nullptr);
					break;
				}
				case NDT_PLANTLIKE: {
					setExtruded(tsrc->getTextureName(f.tiles[0].layers[0].texture_id),
						tsrc->getTextureName(f.tiles[0].layers[1].texture_id),
						def.wield_scale, tsrc,
						f.tiles[0].layers[0].animation_frame_count);
					// Add color
					const TileLayer &l0 = f.tiles[0].layers[0];
					m_colors.emplace_back(l0.has_color, l0.color);
					const TileLayer &l1 = f.tiles[0].layers[1];
					m_colors.emplace_back(l1.has_color, l1.color);
					break;
				}
				case NDT_PLANTLIKE_ROOTED: {
					setExtruded(tsrc->getTextureName(f.special_tiles[0].layers[0].texture_id),
						"", def.wield_scale, tsrc,
						f.special_tiles[0].layers[0].animation_frame_count);
					// Add color
					const TileLayer &l0 = f.special_tiles[0].layers[0];
					m_colors.emplace_back(l0.has_color, l0.color);
					break;
				}
				case NDT_NORMAL:
				case NDT_ALLFACES:
				case NDT_LIQUID:
				case NDT_FLOWINGLIQUID: {
					setCube(f, def.wield_scale);
					break;
				}
				default: {
					mesh = createSpecialNodeMesh(client, id, &m_colors);
					changeToMesh(mesh);
					mesh->drop();
					m_meshnode->setScale(
							def.wield_scale * WIELD_SCALE_FACTOR
							/ (BS * f.visual_scale));
				}
			}
		}
		u32 material_count = m_meshnode->getMaterialCount();
		for (u32 i = 0; i < material_count; ++i) {
			video::SMaterial &material = m_meshnode->getMaterial(i);
			material.MaterialType = m_material_type;
			material.setFlag(video::EMF_BACK_FACE_CULLING, true);
			material.setFlag(video::EMF_BILINEAR_FILTER, m_bilinear_filter);
			material.setFlag(video::EMF_TRILINEAR_FILTER, m_trilinear_filter);
		}
		return;
	}
	else if (!def.inventory_image.empty()) {
//.........这里部分代码省略.........

void getItemMesh(Client *client, const ItemStack &item, ItemMesh *result)
{
	ITextureSource *tsrc = client->getTextureSource();
	IItemDefManager *idef = client->getItemDefManager();
	const NodeDefManager *ndef = client->getNodeDefManager();
	const ItemDefinition &def = item.getDefinition(idef);
	const ContentFeatures &f = ndef->get(def.name);
	content_t id = ndef->getId(def.name);

	FATAL_ERROR_IF(!g_extrusion_mesh_cache, "Extrusion mesh cache is not yet initialized");
	
	scene::SMesh *mesh = nullptr;

	// Shading is on by default
	result->needs_shading = true;

	// If inventory_image is defined, it overrides everything else
	if (!def.inventory_image.empty()) {
		mesh = getExtrudedMesh(tsrc, def.inventory_image,
			def.inventory_overlay);
		result->buffer_colors.emplace_back();
		// overlay is white, if present
		result->buffer_colors.emplace_back(true, video::SColor(0xFFFFFFFF));
		// Items with inventory images do not need shading
		result->needs_shading = false;
	} else if (def.type == ITEM_NODE) {
		if (f.mesh_ptr[0]) {
			mesh = cloneMesh(f.mesh_ptr[0]);
			scaleMesh(mesh, v3f(0.12, 0.12, 0.12));
			postProcessNodeMesh(mesh, f, false, false, nullptr,
				&result->buffer_colors);
		} else {
			switch (f.drawtype) {
				case NDT_PLANTLIKE: {
					mesh = getExtrudedMesh(tsrc,
						tsrc->getTextureName(f.tiles[0].layers[0].texture_id),
						tsrc->getTextureName(f.tiles[0].layers[1].texture_id));
					// Add color
					const TileLayer &l0 = f.tiles[0].layers[0];
					result->buffer_colors.emplace_back(l0.has_color, l0.color);
					const TileLayer &l1 = f.tiles[0].layers[1];
					result->buffer_colors.emplace_back(l1.has_color, l1.color);
					break;
				}
				case NDT_PLANTLIKE_ROOTED: {
					mesh = getExtrudedMesh(tsrc,
						tsrc->getTextureName(f.special_tiles[0].layers[0].texture_id), "");
					// Add color
					const TileLayer &l0 = f.special_tiles[0].layers[0];
					result->buffer_colors.emplace_back(l0.has_color, l0.color);
					break;
				}
				case NDT_NORMAL:
				case NDT_ALLFACES:
				case NDT_LIQUID:
				case NDT_FLOWINGLIQUID: {
					scene::IMesh *cube = g_extrusion_mesh_cache->createCube();
					mesh = cloneMesh(cube);
					cube->drop();
					scaleMesh(mesh, v3f(1.2, 1.2, 1.2));
					// add overlays
					postProcessNodeMesh(mesh, f, false, false, nullptr,
						&result->buffer_colors);
					break;
				}
				default: {
					mesh = createSpecialNodeMesh(client, id, &result->buffer_colors);
					scaleMesh(mesh, v3f(0.12, 0.12, 0.12));
				}
			}
		}

		u32 mc = mesh->getMeshBufferCount();
		for (u32 i = 0; i < mc; ++i) {
			scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
			video::SMaterial &material = buf->getMaterial();
			material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
			material.setFlag(video::EMF_BILINEAR_FILTER, false);
			material.setFlag(video::EMF_TRILINEAR_FILTER, false);
			material.setFlag(video::EMF_BACK_FACE_CULLING, true);
			material.setFlag(video::EMF_LIGHTING, false);
		}

		rotateMeshXZby(mesh, -45);
		rotateMeshYZby(mesh, -30);
	}
	result->mesh = mesh;
}

//.........这里部分代码省略.........
		}
	}

	/*
		Add special graphics:
		- torches
		- flowing water
		- fences
		- whatever
	*/

	if(step <= 1)
	mapblock_mesh_generate_special(data, collector);

	m_highlight_mesh_color = data->m_highlight_mesh_color;

	/*
		Convert MeshCollector to SMesh
	*/
	ITextureSource *tsrc = m_gamedef->tsrc();
	IShaderSource *shdrsrc = m_gamedef->getShaderSource();

	for(u32 i = 0; i < collector.prebuffers.size(); i++)
	{
		PreMeshBuffer &p = collector.prebuffers[i];

		if (step <= data->draw_control.farmesh || !data->draw_control.farmesh) {
		// Generate animation data
		// - Cracks
		if(p.tile.material_flags & MATERIAL_FLAG_CRACK)
		{
			// Find the texture name plus ^[crack:N:
			std::ostringstream os(std::ios::binary);
			os<<tsrc->getTextureName(p.tile.texture_id)<<"^[crack";
			if(p.tile.material_flags & MATERIAL_FLAG_CRACK_OVERLAY)
				os<<"o";  // use ^[cracko
			os<<":"<<(u32)p.tile.animation_frame_count<<":";
			m_crack_materials.insert(std::make_pair(i, os.str()));
			// Replace tile texture with the cracked one
			p.tile.texture = tsrc->getTexture(
					os.str()+"0",
					&p.tile.texture_id);
		}
		}
		// - Texture animation
		if(p.tile.material_flags & MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
		{
			// Add to MapBlockMesh in order to animate these tiles
			m_animation_tiles[i] = p.tile;
			m_animation_frames[i] = 0;
			if(g_settings->getBool("desynchronize_mapblock_texture_animation")){
				// Get starting position from noise
				m_animation_frame_offsets[i] = 100000 * (2.0 + noise3d(
						data->m_blockpos.X, data->m_blockpos.Y,
						data->m_blockpos.Z, 0));
			} else {
				// Play all synchronized
				m_animation_frame_offsets[i] = 0;
			}
			// Replace tile texture with the first animation frame
			FrameSpec animation_frame = p.tile.frames.find(0)->second;
			p.tile.texture = animation_frame.texture;
		}

		if(m_enable_highlighting && p.tile.material_flags & MATERIAL_FLAG_HIGHLIGHTED)
			m_highlighted_materials.push_back(i);	

scene::IMesh *getItemMesh(Client *client, const ItemStack &item)
{
	ITextureSource *tsrc = client->getTextureSource();
	IItemDefManager *idef = client->getItemDefManager();
	INodeDefManager *ndef = client->getNodeDefManager();
	const ItemDefinition &def = item.getDefinition(idef);
	const ContentFeatures &f = ndef->get(def.name);
	content_t id = ndef->getId(def.name);

	if (!g_extrusion_mesh_cache) {
		g_extrusion_mesh_cache = new ExtrusionMeshCache();
	} else {
		g_extrusion_mesh_cache->grab();
	}

	scene::IMesh *mesh;

	// If inventory_image is defined, it overrides everything else
	if (def.inventory_image != "") {
		mesh = getExtrudedMesh(tsrc, def.inventory_image);
		return mesh;
	} else if (def.type == ITEM_NODE) {
		if (f.mesh_ptr[0]) {
			mesh = cloneMesh(f.mesh_ptr[0]);
			scaleMesh(mesh, v3f(0.12, 0.12, 0.12));
			setMeshColor(mesh, video::SColor (255, 255, 255, 255));
		} else if (f.drawtype == NDT_PLANTLIKE) {
			mesh = getExtrudedMesh(tsrc,
				tsrc->getTextureName(f.tiles[0].texture_id));
		} else if (f.drawtype == NDT_NORMAL || f.drawtype == NDT_ALLFACES
			|| f.drawtype == NDT_LIQUID || f.drawtype == NDT_FLOWINGLIQUID) {
			mesh = cloneMesh(g_extrusion_mesh_cache->createCube());
			scaleMesh(mesh, v3f(1.2, 1.2, 1.2));
		} else {
			MeshMakeData mesh_make_data(client, false);
			MapNode mesh_make_node(id, 255, 0);
			mesh_make_data.fillSingleNode(&mesh_make_node);
			MapBlockMesh mapblock_mesh(&mesh_make_data, v3s16(0, 0, 0));
			mesh = cloneMesh(mapblock_mesh.getMesh());
			translateMesh(mesh, v3f(-BS, -BS, -BS));
			scaleMesh(mesh, v3f(0.12, 0.12, 0.12));

			u32 mc = mesh->getMeshBufferCount();
			for (u32 i = 0; i < mc; ++i) {
				video::SMaterial &material1 =
					mesh->getMeshBuffer(i)->getMaterial();
				video::SMaterial &material2 =
					mapblock_mesh.getMesh()->getMeshBuffer(i)->getMaterial();
				material1.setTexture(0, material2.getTexture(0));
				material1.setTexture(1, material2.getTexture(1));
				material1.setTexture(2, material2.getTexture(2));
				material1.setTexture(3, material2.getTexture(3));
				material1.MaterialType = material2.MaterialType;
			}
		}

		u32 mc = mesh->getMeshBufferCount();
		for (u32 i = 0; i < mc; ++i) {
			const TileSpec *tile = &(f.tiles[i]);
			scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
			colorizeMeshBuffer(buf, &tile->color);
			video::SMaterial &material = buf->getMaterial();
			material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
			material.setFlag(video::EMF_BILINEAR_FILTER, false);
			material.setFlag(video::EMF_TRILINEAR_FILTER, false);
			material.setFlag(video::EMF_BACK_FACE_CULLING, true);
			material.setFlag(video::EMF_LIGHTING, false);
			if (tile->animation_frame_count > 1) {
				FrameSpec animation_frame = tile->frames[0];
				material.setTexture(0, animation_frame.texture);
			} else {
				material.setTexture(0, tile->texture);
			}
		}

		rotateMeshXZby(mesh, -45);
		rotateMeshYZby(mesh, -30);
		return mesh;
	}
	return NULL;
}

void WieldMeshSceneNode::setItem(const ItemStack &item, Client *client)
{
	ITextureSource *tsrc = client->getTextureSource();
	IItemDefManager *idef = client->getItemDefManager();
	IShaderSource *shdrsrc = client->getShaderSource();
	INodeDefManager *ndef = client->getNodeDefManager();
	const ItemDefinition &def = item.getDefinition(idef);
	const ContentFeatures &f = ndef->get(def.name);
	content_t id = ndef->getId(def.name);

	if (m_enable_shaders) {
		u32 shader_id = shdrsrc->getShader("wielded_shader", TILE_MATERIAL_BASIC, NDT_NORMAL);
		m_material_type = shdrsrc->getShaderInfo(shader_id).material;
	}
	m_colors.clear();

	// If wield_image is defined, it overrides everything else
	if (def.wield_image != "") {
		setExtruded(def.wield_image, def.wield_scale, tsrc, 1);
		return;
	}
	// Handle nodes
	// See also CItemDefManager::createClientCached()
	else if (def.type == ITEM_NODE) {
		if (f.mesh_ptr[0]) {
			// e.g. mesh nodes and nodeboxes
			changeToMesh(f.mesh_ptr[0]);
			// mesh_ptr[0] is pre-scaled by BS * f->visual_scale
			m_meshnode->setScale(
					def.wield_scale * WIELD_SCALE_FACTOR
					/ (BS * f.visual_scale));
		} else if (f.drawtype == NDT_AIRLIKE) {
			changeToMesh(NULL);
		} else if (f.drawtype == NDT_PLANTLIKE) {
			setExtruded(tsrc->getTextureName(f.tiles[0].texture_id), def.wield_scale, tsrc, f.tiles[0].animation_frame_count);
		} else if (f.drawtype == NDT_NORMAL || f.drawtype == NDT_ALLFACES) {
			setCube(f.tiles, def.wield_scale, tsrc);
		} else {
			MeshMakeData mesh_make_data(client, false);
			MapNode mesh_make_node(id, 255, 0);
			mesh_make_data.fillSingleNode(&mesh_make_node);
			MapBlockMesh mapblock_mesh(&mesh_make_data, v3s16(0, 0, 0));
			changeToMesh(mapblock_mesh.getMesh());
			translateMesh(m_meshnode->getMesh(), v3f(-BS, -BS, -BS));
			m_meshnode->setScale(
					def.wield_scale * WIELD_SCALE_FACTOR
					/ (BS * f.visual_scale));
		}
		u32 material_count = m_meshnode->getMaterialCount();
		if (material_count > 6) {
			errorstream << "WieldMeshSceneNode::setItem: Invalid material "
				"count " << material_count << ", truncating to 6" << std::endl;
			material_count = 6;
		}
		for (u32 i = 0; i < material_count; ++i) {
			const TileSpec *tile = &(f.tiles[i]);
			video::SMaterial &material = m_meshnode->getMaterial(i);
			material.setFlag(video::EMF_BACK_FACE_CULLING, true);
			material.setFlag(video::EMF_BILINEAR_FILTER, m_bilinear_filter);
			material.setFlag(video::EMF_TRILINEAR_FILTER, m_trilinear_filter);
			bool animated = (tile->animation_frame_count > 1);
			if (animated) {
				FrameSpec animation_frame = tile->frames[0];
				material.setTexture(0, animation_frame.texture);
			} else {
				material.setTexture(0, tile->texture);
			}
			m_colors.push_back(tile->color);
			material.MaterialType = m_material_type;
			if (m_enable_shaders) {
				if (tile->normal_texture) {
					if (animated) {
						FrameSpec animation_frame = tile->frames[0];
						material.setTexture(1, animation_frame.normal_texture);
					} else {
						material.setTexture(1, tile->normal_texture);
					}
				}
				material.setTexture(2, tile->flags_texture);
			}
		}
		return;
	}
	else if (def.inventory_image != "") {
		setExtruded(def.inventory_image, def.wield_scale, tsrc, 1);
		return;
	}

	// no wield mesh found
	changeToMesh(NULL);
}

void WieldMeshSceneNode::setItem(const ItemStack &item, IGameDef *gamedef)
{
	ITextureSource *tsrc = gamedef->getTextureSource();
	IItemDefManager *idef = gamedef->getItemDefManager();
	//IShaderSource *shdrsrc = gamedef->getShaderSource();
	INodeDefManager *ndef = gamedef->getNodeDefManager();
	const ItemDefinition &def = item.getDefinition(idef);
	const ContentFeatures &f = ndef->get(def.name);
	content_t id = ndef->getId(def.name);

#if 0
//// TODO(RealBadAngel): Reactivate when shader is added for wield items
	if (m_enable_shaders) {
		u32 shader_id = shdrsrc->getShader("nodes_shader", TILE_MATERIAL_BASIC, NDT_NORMAL);
		m_material_type = shdrsrc->getShaderInfo(shader_id).material;
	}
#endif

	// If wield_image is defined, it overrides everything else
	if (def.wield_image != "") {
		setExtruded(def.wield_image, def.wield_scale, tsrc, 1);
		return;
	}
	// Handle nodes
	// See also CItemDefManager::createClientCached()
	else if (def.type == ITEM_NODE) {
		if (f.mesh_ptr[0]) {
			// e.g. mesh nodes and nodeboxes
			changeToMesh(f.mesh_ptr[0]);
			// mesh_ptr[0] is pre-scaled by BS * f->visual_scale
			m_meshnode->setScale(
					def.wield_scale * WIELD_SCALE_FACTOR
					/ (BS * f.visual_scale));
		} else if (f.drawtype == NDT_AIRLIKE) {
			changeToMesh(NULL);
		} else if (f.drawtype == NDT_PLANTLIKE) {
			setExtruded(tsrc->getTextureName(f.tiles[0].texture_id), def.wield_scale, tsrc, f.tiles[0].animation_frame_count);
		} else if (f.drawtype == NDT_NORMAL || f.drawtype == NDT_ALLFACES) {
			setCube(f.tiles, def.wield_scale, tsrc);
		} else {
			//// TODO: Change false in the following constructor args to
			//// appropriate value when shader is added for wield items (if applicable)
			MeshMakeData mesh_make_data(gamedef, false);
			MapNode mesh_make_node(id, 255, 0);
			mesh_make_data.fillSingleNode(&mesh_make_node);
			MapBlockMesh mapblock_mesh(&mesh_make_data, v3s16(0, 0, 0));
			changeToMesh(mapblock_mesh.getMesh());
			translateMesh(m_meshnode->getMesh(), v3f(-BS, -BS, -BS));
			m_meshnode->setScale(
					def.wield_scale * WIELD_SCALE_FACTOR
					/ (BS * f.visual_scale));
		}
		u32 material_count = m_meshnode->getMaterialCount();
		if (material_count > 6) {
			errorstream << "WieldMeshSceneNode::setItem: Invalid material "
				"count " << material_count << ", truncating to 6" << std::endl;
			material_count = 6;
		}
		for (u32 i = 0; i < material_count; ++i) {
			video::SMaterial &material = m_meshnode->getMaterial(i);
			material.setFlag(video::EMF_BACK_FACE_CULLING, true);
			material.setFlag(video::EMF_BILINEAR_FILTER, m_bilinear_filter);
			material.setFlag(video::EMF_TRILINEAR_FILTER, m_trilinear_filter);
			bool animated = (f.tiles[i].animation_frame_count > 1);
			if (animated) {
				FrameSpec animation_frame = f.tiles[i].frames[0];
				material.setTexture(0, animation_frame.texture);
			} else {
				material.setTexture(0, f.tiles[i].texture);
			}
			material.MaterialType = m_material_type;
#if 0
//// TODO(RealBadAngel): Reactivate when shader is added for wield items
			if (m_enable_shaders) {
				if (f.tiles[i].normal_texture) {
					if (animated) {
						FrameSpec animation_frame = f.tiles[i].frames[0];
						material.setTexture(1, animation_frame.normal_texture);
					} else {
						material.setTexture(1, f.tiles[i].normal_texture);
					}
					material.setTexture(2, tsrc->getTexture("enable_img.png"));
				} else {
					material.setTexture(2, tsrc->getTexture("disable_img.png"));
				}
			}
#endif
		}
		return;
	}
	else if (def.inventory_image != "") {
		setExtruded(def.inventory_image, def.wield_scale, tsrc, 1);
		return;
	}

	// no wield mesh found
	changeToMesh(NULL);
}

MapBlockMesh::MapBlockMesh(MeshMakeData *data):
	m_mesh(new scene::SMesh()),
	m_gamedef(data->m_gamedef),
	m_animation_force_timer(0), // force initial animation
	m_last_crack(-1),
	m_crack_materials(),
	m_last_daynight_ratio((u32) -1),
	m_daynight_diffs()
{
	// 4-21ms for MAP_BLOCKSIZE=16  (NOTE: probably outdated)
	// 24-155ms for MAP_BLOCKSIZE=32  (NOTE: probably outdated)
	//TimeTaker timer1("MapBlockMesh()");

	core::array<FastFace> fastfaces_new;

	/*
		We are including the faces of the trailing edges of the block.
		This means that when something changes, the caller must
		also update the meshes of the blocks at the leading edges.

		NOTE: This is the slowest part of this method.
	*/
	{
		// 4-23ms for MAP_BLOCKSIZE=16  (NOTE: probably outdated)
		//TimeTaker timer2("updateAllFastFaceRows()");
		updateAllFastFaceRows(data, fastfaces_new);
	}
	// End of slow part

	/*
		Convert FastFaces to MeshCollector
	*/

	MeshCollector collector;

	{
		// avg 0ms (100ms spikes when loading textures the first time)
		// (NOTE: probably outdated)
		//TimeTaker timer2("MeshCollector building");

		for(u32 i=0; i<fastfaces_new.size(); i++)
		{
			FastFace &f = fastfaces_new[i];

			const u16 indices[] = {0,1,2,2,3,0};
			const u16 indices_alternate[] = {0,1,3,2,3,1};
			
			if(f.tile.texture.atlas == NULL)
				continue;

			const u16 *indices_p = indices;
			
			/*
				Revert triangles for nicer looking gradient if vertices
				1 and 3 have same color or 0 and 2 have different color.
				getRed() is the day color.
			*/
			if(f.vertices[0].Color.getRed() != f.vertices[2].Color.getRed()
					|| f.vertices[1].Color.getRed() == f.vertices[3].Color.getRed())
				indices_p = indices_alternate;
			
			collector.append(f.tile, f.vertices, 4, indices_p, 6);
		}
	}

	/*
		Add special graphics:
		- torches
		- flowing water
		- fences
		- whatever
	*/

	mapblock_mesh_generate_special(data, collector);
	

	/*
		Convert MeshCollector to SMesh
		Also store animation info
	*/
	for(u32 i = 0; i < collector.prebuffers.size(); i++)
	{
		PreMeshBuffer &p = collector.prebuffers[i];
		/*dstream<<"p.vertices.size()="<<p.vertices.size()
				<<", p.indices.size()="<<p.indices.size()
				<<std::endl;*/

		// Generate animation data
		// - Cracks
		if(p.tile.material_flags & MATERIAL_FLAG_CRACK)
		{
			ITextureSource *tsrc = data->m_gamedef->tsrc();
			std::string crack_basename = tsrc->getTextureName(p.tile.texture.id);
			if(p.tile.material_flags & MATERIAL_FLAG_CRACK_OVERLAY)
				crack_basename += "^[cracko";
			else
				crack_basename += "^[crack";
			m_crack_materials.insert(std::make_pair(i, crack_basename));
		}
		// - Lighting
//.........这里部分代码省略.........