C++ ERR_FAIL_COND_V函数代码示例

Error ResourceInteractiveLoaderBinary::poll(){

	if (error!=OK)
		return error;


	int s = stage;

	if (s<external_resources.size()) {

		RES res = ResourceLoader::load(external_resources[s].path,external_resources[s].type);
		if (res.is_null()) {

			if (!ResourceLoader::get_abort_on_missing_resources()) {

				ResourceLoader::notify_load_error("Resource Not Found: "+external_resources[s].path);
			} else {


				error=ERR_FILE_CORRUPT;
				ERR_EXPLAIN("Can't load dependency: "+external_resources[s].path);
				ERR_FAIL_V(error);
			}

		} else {
			resource_cache.push_back(res);
		}

		stage++;
		return OK;
	}

	s-=external_resources.size();


	if (s>=internal_resources.size()) {

		error=ERR_BUG;
		ERR_FAIL_COND_V(s>=internal_resources.size(),error);
	}

	bool main = s==(internal_resources.size()-1);

	//maybe it is loaded already
	String path;



	if (!main) {

		path=internal_resources[s].path;
		if (path.begins_with("local://"))
			path=path.replace("local://",res_path+"::");



		if (ResourceCache::has(path)) {
			//already loaded, don't do anything
			stage++;
			error=OK;
			return error;
		}
	} else {

		path=res_path;
	}

	uint64_t offset = internal_resources[s].offset;

	f->seek(offset);

	String t = get_unicode_string();

	Object *obj = ObjectTypeDB::instance(t);
	if (!obj) {
		error=ERR_FILE_CORRUPT;
		ERR_EXPLAIN(local_path+":Resource of unrecognized type in file: "+t);
	}
	ERR_FAIL_COND_V(!obj,ERR_FILE_CORRUPT);

	Resource *r = obj->cast_to<Resource>();
	if (!r) {
		error=ERR_FILE_CORRUPT;
		memdelete(obj); //bye
		ERR_EXPLAIN(local_path+":Resoucre type in resource field not a resource, type is: "+obj->get_type());
		ERR_FAIL_COND_V(!r,ERR_FILE_CORRUPT);
	}

	RES res = RES( r );

	r->set_path(path);

	int pc = f->get_32();

	//set properties

	for(int i=0;i<pc;i++) {

		uint32_t name_idx = f->get_32();
		if (name_idx>=(uint32_t)string_map.size()) {
//.........这里部分代码省略.........

Error PoolAllocator::resize(ID p_mem,int p_new_size) {

	mt_lock();
	Entry *e=get_entry(p_mem);

	if (!e) {
		mt_unlock();
		ERR_FAIL_COND_V(!e,ERR_INVALID_PARAMETER);
	}

	if (needs_locking && e->lock) {
		mt_unlock();
		ERR_FAIL_COND_V(e->lock,ERR_ALREADY_IN_USE);
	}

	int alloc_size = aligned(p_new_size);

	if (aligned(e->len)==alloc_size) {

		e->len=p_new_size;
		mt_unlock();
		return OK;
	} else if (e->len>(uint32_t)p_new_size) {

		free_mem += aligned(e->len);
		free_mem -= alloc_size;
		e->len=p_new_size;
		mt_unlock();
		return OK;
	}

	//p_new_size = align(p_new_size)
	int _total = pool_size; // - static_area_size;
	int _free = free_mem; // - static_area_size;

	if ((_free + aligned(e->len)) - alloc_size < 0) {
		mt_unlock();
		ERR_FAIL_V( ERR_OUT_OF_MEMORY );
	};

	EntryIndicesPos entry_indices_pos;

	bool index_found = find_entry_index(&entry_indices_pos,e);

	if (!index_found) {

		mt_unlock();
		ERR_FAIL_COND_V(!index_found,ERR_BUG);
	}

	//no need to move stuff around, it fits before the next block
	int next_pos;
	if (entry_indices_pos+1 == entry_count) {
		next_pos = pool_size; // - static_area_size;
	} else {
		next_pos = entry_array[entry_indices[entry_indices_pos+1]].pos;
	};

	if ((next_pos - e->pos) > alloc_size) {
		free_mem+=aligned(e->len);
		e->len=p_new_size;
		free_mem-=alloc_size;
		mt_unlock();
		return OK;
	}
	//it doesn't fit, compact around BEFORE current index (make room behind)

	compact(entry_indices_pos+1);


	if ((next_pos - e->pos) > alloc_size) {
		//now fits! hooray!
		free_mem+=aligned(e->len);
		e->len=p_new_size;
		free_mem-=alloc_size;
		mt_unlock();
		if (free_mem<free_mem_peak)
			free_mem_peak=free_mem;
		return OK;
	}

	//STILL doesn't fit, compact around AFTER current index (make room after)

	compact_up(entry_indices_pos+1);

	if ((entry_array[entry_indices[entry_indices_pos+1]].pos - e->pos) > alloc_size) {
		//now fits! hooray!
		free_mem+=aligned(e->len);
		e->len=p_new_size;
		free_mem-=alloc_size;
		mt_unlock();
		if (free_mem<free_mem_peak)
			free_mem_peak=free_mem;
		return OK;
	}

	mt_unlock();
	ERR_FAIL_V(ERR_OUT_OF_MEMORY);

}

bool Physics2DDirectSpaceStateSW::intersect_ray(const Vector2& p_from, const Vector2& p_to,RayResult &r_result,const Set<RID>& p_exclude,uint32_t p_user_mask) {


	ERR_FAIL_COND_V(space->locked,false);

	Vector2 begin,end;
	Vector2 normal;
	begin=p_from;
	end=p_to;
	normal=(end-begin).normalized();

	int amount = space->broadphase->cull_segment(begin,end,space->intersection_query_results,Space2DSW::INTERSECTION_QUERY_MAX,space->intersection_query_subindex_results);

	//todo, create another array tha references results, compute AABBs and check closest point to ray origin, sort, and stop evaluating results when beyond first collision

	bool collided=false;
	Vector2 res_point,res_normal;
	int res_shape;
	const CollisionObject2DSW *res_obj;
	real_t min_d=1e10;


	for(int i=0;i<amount;i++) {

		if (space->intersection_query_results[i]->get_type()==CollisionObject2DSW::TYPE_AREA)
			continue; //ignore area

		if (p_exclude.has( space->intersection_query_results[i]->get_self()))
			continue;

		const CollisionObject2DSW *col_obj=space->intersection_query_results[i];

		int shape_idx=space->intersection_query_subindex_results[i];
		Matrix32 inv_xform = col_obj->get_shape_inv_transform(shape_idx) * col_obj->get_inv_transform();

		Vector2 local_from = inv_xform.xform(begin);
		Vector2 local_to = inv_xform.xform(end);

		/*local_from = col_obj->get_inv_transform().xform(begin);
		local_from = col_obj->get_shape_inv_transform(shape_idx).xform(local_from);

		local_to = col_obj->get_inv_transform().xform(end);
		local_to = col_obj->get_shape_inv_transform(shape_idx).xform(local_to);*/

		const Shape2DSW *shape = col_obj->get_shape(shape_idx);

		Vector2 shape_point,shape_normal;


		if (shape->intersect_segment(local_from,local_to,shape_point,shape_normal)) {


			//print_line("inters sgment!");
			Matrix32 xform = col_obj->get_transform() * col_obj->get_shape_transform(shape_idx);
			shape_point=xform.xform(shape_point);

			real_t ld = normal.dot(shape_point);


			if (ld<min_d) {

				min_d=ld;
				res_point=shape_point;
				res_normal=inv_xform.basis_xform_inv(shape_normal).normalized();
				res_shape=shape_idx;
				res_obj=col_obj;
				collided=true;
			}
		}

	}

	if (!collided)
		return false;


	r_result.collider_id=res_obj->get_instance_id();
	if (r_result.collider_id!=0)
		r_result.collider=ObjectDB::get_instance(r_result.collider_id);
	r_result.normal=res_normal;
	r_result.position=res_point;
	r_result.rid=res_obj->get_self();
	r_result.shape=res_shape;

	return true;

}

Error EditorTextureImportPlugin::_process_texture_data(Ref<ImageTexture> &texture,int format, float quality,int flags,EditorExportPlatform::ImageCompression p_compr,int tex_flags,float shrink)  {


	if (format==IMAGE_FORMAT_COMPRESS_DISK_LOSSLESS || format==IMAGE_FORMAT_COMPRESS_DISK_LOSSY) {

		Image image=texture->get_data();
		ERR_FAIL_COND_V(image.empty(),ERR_INVALID_DATA);

		bool has_alpha=image.detect_alpha();
		if (!has_alpha && image.get_format()==Image::FORMAT_RGBA) {

			image.convert(Image::FORMAT_RGB);

		}

		if (image.get_format()==Image::FORMAT_RGBA && flags&IMAGE_FLAG_FIX_BORDER_ALPHA) {

			image.fix_alpha_edges();
		}

		if (image.get_format()==Image::FORMAT_RGBA && flags&IMAGE_FLAG_PREMULT_ALPHA) {

			image.premultiply_alpha();
		}

		if (flags&IMAGE_FLAG_CONVERT_NORMAL_TO_XY) {
			image.normalmap_to_xy();
		}

		//if ((image.get_format()==Image::FORMAT_RGB || image.get_format()==Image::FORMAT_RGBA) && flags&IMAGE_FLAG_CONVERT_TO_LINEAR) {

		//	image.srgb_to_linear();
		//}

		if (shrink>1) {

			int orig_w=image.get_width();
			int orig_h=image.get_height();
			image.resize(orig_w/shrink,orig_h/shrink,Image::INTERPOLATE_CUBIC);
			texture->create_from_image(image,tex_flags);
			texture->set_size_override(Size2(orig_w,orig_h));


		} else {

			texture->create_from_image(image,tex_flags);
		}


		if (format==IMAGE_FORMAT_COMPRESS_DISK_LOSSLESS) {
			texture->set_storage(ImageTexture::STORAGE_COMPRESS_LOSSLESS);
		} else {
			texture->set_storage(ImageTexture::STORAGE_COMPRESS_LOSSY);
		}



		texture->set_lossy_storage_quality(quality);


	} else {


		Image image=texture->get_data();
		ERR_FAIL_COND_V(image.empty(),ERR_INVALID_DATA);


		bool has_alpha=image.detect_alpha();
		if (!has_alpha && image.get_format()==Image::FORMAT_RGBA) {

			image.convert(Image::FORMAT_RGB);

		}

		if (image.get_format()==Image::FORMAT_RGBA && flags&IMAGE_FLAG_FIX_BORDER_ALPHA) {

			image.fix_alpha_edges();
		}

		if (image.get_format()==Image::FORMAT_RGBA && flags&IMAGE_FLAG_PREMULT_ALPHA) {

			image.premultiply_alpha();
		}

		if (flags&IMAGE_FLAG_CONVERT_NORMAL_TO_XY) {
			image.normalmap_to_xy();
		}

		//if ((image.get_format()==Image::FORMAT_RGB || image.get_format()==Image::FORMAT_RGBA) && flags&IMAGE_FLAG_CONVERT_TO_LINEAR) {
//
		//	print_line("CONVERT BECAUSE: "+itos(flags));
		//	image.srgb_to_linear();
		//}

		int orig_w=image.get_width();
		int orig_h=image.get_height();

		if (shrink>1) {
			image.resize(orig_w/shrink,orig_h/shrink,Image::INTERPOLATE_CUBIC);
			texture->create_from_image(image,tex_flags);
//.........这里部分代码省略.........

Transform2D Camera2D::get_camera_transform() {

	if (!get_tree())
		return Transform2D();

	ERR_FAIL_COND_V(custom_viewport && !ObjectDB::get_instance(custom_viewport_id), Transform2D());

	Size2 screen_size = viewport->get_visible_rect().size;

	Point2 new_camera_pos = get_global_transform().get_origin();
	Point2 ret_camera_pos;

	if (!first) {

		if (anchor_mode == ANCHOR_MODE_DRAG_CENTER) {

			if (h_drag_enabled && !Engine::get_singleton()->is_editor_hint()) {
				camera_pos.x = MIN(camera_pos.x, (new_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_RIGHT]));
				camera_pos.x = MAX(camera_pos.x, (new_camera_pos.x - screen_size.x * 0.5 * drag_margin[MARGIN_LEFT]));
			} else {

				if (h_ofs < 0) {
					camera_pos.x = new_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_RIGHT] * h_ofs;
				} else {
					camera_pos.x = new_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_LEFT] * h_ofs;
				}
			}

			if (v_drag_enabled && !Engine::get_singleton()->is_editor_hint()) {

				camera_pos.y = MIN(camera_pos.y, (new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_BOTTOM]));
				camera_pos.y = MAX(camera_pos.y, (new_camera_pos.y - screen_size.y * 0.5 * drag_margin[MARGIN_TOP]));

			} else {

				if (v_ofs < 0) {
					camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_TOP] * v_ofs;
				} else {
					camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_BOTTOM] * v_ofs;
				}
			}

		} else if (anchor_mode == ANCHOR_MODE_FIXED_TOP_LEFT) {

			camera_pos = new_camera_pos;
		}

		Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5 * zoom) : Point2());
		Rect2 screen_rect(-screen_offset + camera_pos, screen_size * zoom);

		if (offset != Vector2())
			screen_rect.position += offset;

		if (limit_smoothing_enabled) {
			if (screen_rect.position.x < limit[MARGIN_LEFT])
				camera_pos.x -= screen_rect.position.x - limit[MARGIN_LEFT];

			if (screen_rect.position.x + screen_rect.size.x > limit[MARGIN_RIGHT])
				camera_pos.x -= screen_rect.position.x + screen_rect.size.x - limit[MARGIN_RIGHT];

			if (screen_rect.position.y + screen_rect.size.y > limit[MARGIN_BOTTOM])
				camera_pos.y -= screen_rect.position.y + screen_rect.size.y - limit[MARGIN_BOTTOM];

			if (screen_rect.position.y < limit[MARGIN_TOP])
				camera_pos.y -= screen_rect.position.y - limit[MARGIN_TOP];
		}

		if (smoothing_enabled && !Engine::get_singleton()->is_editor_hint()) {

			float c = smoothing * get_fixed_process_delta_time();
			smoothed_camera_pos = ((camera_pos - smoothed_camera_pos) * c) + smoothed_camera_pos;
			ret_camera_pos = smoothed_camera_pos;
			//camera_pos=camera_pos*(1.0-smoothing)+new_camera_pos*smoothing;
		} else {

			ret_camera_pos = smoothed_camera_pos = camera_pos;
		}

	} else {
		ret_camera_pos = smoothed_camera_pos = camera_pos = new_camera_pos;
		first = false;
	}

	Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5 * zoom) : Point2());

	float angle = get_global_transform().get_rotation();
	if (rotating) {
		screen_offset = screen_offset.rotated(angle);
	}

	Rect2 screen_rect(-screen_offset + ret_camera_pos, screen_size * zoom);
	if (screen_rect.position.x < limit[MARGIN_LEFT])
		screen_rect.position.x = limit[MARGIN_LEFT];

	if (screen_rect.position.x + screen_rect.size.x > limit[MARGIN_RIGHT])
		screen_rect.position.x = limit[MARGIN_RIGHT] - screen_rect.size.x;

	if (screen_rect.position.y + screen_rect.size.y > limit[MARGIN_BOTTOM])
		screen_rect.position.y = limit[MARGIN_BOTTOM] - screen_rect.size.y;

//.........这里部分代码省略.........

Error HTTPClient::request_raw(Method p_method, const String &p_url, const Vector<String> &p_headers, const PoolVector<uint8_t> &p_body) {

	ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
	ERR_FAIL_COND_V(!p_url.begins_with("/"), ERR_INVALID_PARAMETER);
	ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER);
	ERR_FAIL_COND_V(connection.is_null(), ERR_INVALID_DATA);

	String request = String(_methods[p_method]) + " " + p_url + " HTTP/1.1\r\n";
	if ((ssl && conn_port == PORT_HTTPS) || (!ssl && conn_port == PORT_HTTP)) {
		// Don't append the standard ports
		request += "Host: " + conn_host + "\r\n";
	} else {
		request += "Host: " + conn_host + ":" + itos(conn_port) + "\r\n";
	}
	bool add_clen = p_body.size() > 0;
	bool add_uagent = true;
	bool add_accept = true;
	for (int i = 0; i < p_headers.size(); i++) {
		request += p_headers[i] + "\r\n";
		if (add_clen && p_headers[i].findn("Content-Length:") == 0) {
			add_clen = false;
		}
		if (add_uagent && p_headers[i].findn("User-Agent:") == 0) {
			add_uagent = false;
		}
		if (add_accept && p_headers[i].findn("Accept:") == 0) {
			add_accept = false;
		}
	}
	if (add_clen) {
		request += "Content-Length: " + itos(p_body.size()) + "\r\n";
		// Should it add utf8 encoding?
	}
	if (add_uagent) {
		request += "User-Agent: GodotEngine/" + String(VERSION_FULL_BUILD) + " (" + OS::get_singleton()->get_name() + ")\r\n";
	}
	if (add_accept) {
		request += "Accept: */*\r\n";
	}
	request += "\r\n";
	CharString cs = request.utf8();

	PoolVector<uint8_t> data;
	data.resize(cs.length());
	{
		PoolVector<uint8_t>::Write data_write = data.write();
		for (int i = 0; i < cs.length(); i++) {
			data_write[i] = cs[i];
		}
	}

	data.append_array(p_body);

	PoolVector<uint8_t>::Read r = data.read();
	Error err = connection->put_data(&r[0], data.size());

	if (err) {
		close();
		status = STATUS_CONNECTION_ERROR;
		return err;
	}

	status = STATUS_REQUESTING;

	return OK;
}

PoolByteArray HTTPClient::read_response_body_chunk() {

	ERR_FAIL_COND_V(status != STATUS_BODY, PoolByteArray());

	Error err = OK;

	if (chunked) {

		while (true) {

			if (chunk_left == 0) {
				// Reading length
				uint8_t b;
				int rec = 0;
				err = _get_http_data(&b, 1, rec);

				if (rec == 0)
					break;

				chunk.push_back(b);

				if (chunk.size() > 32) {
					ERR_PRINT("HTTP Invalid chunk hex len");
					status = STATUS_CONNECTION_ERROR;
					return PoolByteArray();
				}

				if (chunk.size() > 2 && chunk[chunk.size() - 2] == '\r' && chunk[chunk.size() - 1] == '\n') {

					int len = 0;
					for (int i = 0; i < chunk.size() - 2; i++) {
						char c = chunk[i];
						int v = 0;
						if (c >= '0' && c <= '9')
							v = c - '0';
						else if (c >= 'a' && c <= 'f')
							v = c - 'a' + 10;
						else if (c >= 'A' && c <= 'F')
							v = c - 'A' + 10;
						else {
							ERR_PRINT("HTTP Chunk len not in hex!!");
							status = STATUS_CONNECTION_ERROR;
							return PoolByteArray();
						}
						len <<= 4;
						len |= v;
						if (len > (1 << 24)) {
							ERR_PRINT("HTTP Chunk too big!! >16mb");
							status = STATUS_CONNECTION_ERROR;
							return PoolByteArray();
						}
					}

					if (len == 0) {
						// End reached!
						status = STATUS_CONNECTED;
						chunk.clear();
						return PoolByteArray();
					}

					chunk_left = len + 2;
					chunk.resize(chunk_left);
				}
			} else {

				int rec = 0;
				err = _get_http_data(&chunk.write[chunk.size() - chunk_left], chunk_left, rec);
				if (rec == 0) {
					break;
				}
				chunk_left -= rec;

				if (chunk_left == 0) {

					if (chunk[chunk.size() - 2] != '\r' || chunk[chunk.size() - 1] != '\n') {
						ERR_PRINT("HTTP Invalid chunk terminator (not \\r\\n)");
						status = STATUS_CONNECTION_ERROR;
						return PoolByteArray();
					}

					PoolByteArray ret;
					ret.resize(chunk.size() - 2);
					{
						PoolByteArray::Write w = ret.write();
						copymem(w.ptr(), chunk.ptr(), chunk.size() - 2);
					}
					chunk.clear();

					return ret;
				}

				break;
			}
		}

	} else {

		int to_read = !read_until_eof ? MIN(body_left, read_chunk_size) : read_chunk_size;
		PoolByteArray ret;
		ret.resize(to_read);
//.........这里部分代码省略.........

Variant Object::get_meta(const String& p_name) const {

	ERR_FAIL_COND_V(!metadata.has(p_name),Variant());
	return metadata[p_name];
}

Mutex *Mutex::create(bool p_recursive) {

	ERR_FAIL_COND_V( !create_func, 0 );

	return create_func(p_recursive);
}

Array VoxelMesher::build(const VoxelBuffer &buffer, unsigned int channel, Vector3i min, Vector3i max) {
	uint64_t time_before = OS::get_singleton()->get_ticks_usec();

	ERR_FAIL_COND_V(_library.is_null(), Array());
	ERR_FAIL_COND_V(channel >= VoxelBuffer::MAX_CHANNELS, Array());

	const VoxelLibrary &library = **_library;

	for (unsigned int i = 0; i < MAX_MATERIALS; ++i) {
		Arrays &a = _arrays[i];
		a.positions.clear();
		a.normals.clear();
		a.uvs.clear();
		a.colors.clear();
		a.indices.clear();
	}

	float baked_occlusion_darkness;
	if (_bake_occlusion)
		baked_occlusion_darkness = _baked_occlusion_darkness / 3.0;

	// The technique is Culled faces.
	// Could be improved with greedy meshing: https://0fps.net/2012/06/30/meshing-in-a-minecraft-game/
	// However I don't feel it's worth it yet:
	// - Not so much gain for organic worlds with lots of texture variations
	// - Works well with cubes but not with any shape
	// - Slower
	// => Could be implemented in a separate class?

	// Data must be padded, hence the off-by-one
	Vector3i::sort_min_max(min, max);
	const Vector3i pad(1, 1, 1);
	min.clamp_to(pad, max);
	max.clamp_to(min, buffer.get_size() - pad);

	int index_offset = 0;

	// Iterate 3D padded data to extract voxel faces.
	// This is the most intensive job in this class, so all required data should be as fit as possible.

	// The buffer we receive MUST be dense (i.e not compressed, and channels allocated).
	// That means we can use raw pointers to voxel data inside instead of using the higher-level getters,
	// and then save a lot of time.

	uint8_t *type_buffer = buffer.get_channel_raw(Voxel::CHANNEL_TYPE);
	//       _
	//      | \
	//     /\ \\
	//    / /|\\\
	//    | |\ \\\
	//    | \_\ \\|
	//    |    |  )
	//     \   |  |
	//      \    /
	CRASH_COND(type_buffer == NULL);


	//CRASH_COND(memarr_len(type_buffer) != buffer.get_volume() * sizeof(uint8_t));

	// Build lookup tables so to speed up voxel access.
	// These are values to add to an address in order to get given neighbor.

	int row_size = buffer.get_size().y;
	int deck_size = buffer.get_size().x * row_size;

	int side_neighbor_lut[Cube::SIDE_COUNT];
	side_neighbor_lut[Cube::SIDE_LEFT] = row_size;
	side_neighbor_lut[Cube::SIDE_RIGHT] = -row_size;
	side_neighbor_lut[Cube::SIDE_BACK] = -deck_size;
	side_neighbor_lut[Cube::SIDE_FRONT] = deck_size;
	side_neighbor_lut[Cube::SIDE_BOTTOM] = -1;
	side_neighbor_lut[Cube::SIDE_TOP] = 1;

	int edge_neighbor_lut[Cube::EDGE_COUNT];
	edge_neighbor_lut[Cube::EDGE_BOTTOM_BACK] = side_neighbor_lut[Cube::SIDE_BOTTOM] + side_neighbor_lut[Cube::SIDE_BACK];
	edge_neighbor_lut[Cube::EDGE_BOTTOM_FRONT] = side_neighbor_lut[Cube::SIDE_BOTTOM] + side_neighbor_lut[Cube::SIDE_FRONT];
	edge_neighbor_lut[Cube::EDGE_BOTTOM_LEFT] = side_neighbor_lut[Cube::SIDE_BOTTOM] + side_neighbor_lut[Cube::SIDE_LEFT];
	edge_neighbor_lut[Cube::EDGE_BOTTOM_RIGHT] = side_neighbor_lut[Cube::SIDE_BOTTOM] + side_neighbor_lut[Cube::SIDE_RIGHT];
	edge_neighbor_lut[Cube::EDGE_BACK_LEFT] = side_neighbor_lut[Cube::SIDE_BACK] + side_neighbor_lut[Cube::SIDE_LEFT];
	edge_neighbor_lut[Cube::EDGE_BACK_RIGHT] = side_neighbor_lut[Cube::SIDE_BACK] + side_neighbor_lut[Cube::SIDE_RIGHT];
	edge_neighbor_lut[Cube::EDGE_FRONT_LEFT] = side_neighbor_lut[Cube::SIDE_FRONT] + side_neighbor_lut[Cube::SIDE_LEFT];
	edge_neighbor_lut[Cube::EDGE_FRONT_RIGHT] = side_neighbor_lut[Cube::SIDE_FRONT] + side_neighbor_lut[Cube::SIDE_RIGHT];
	edge_neighbor_lut[Cube::EDGE_TOP_BACK] = side_neighbor_lut[Cube::SIDE_TOP] + side_neighbor_lut[Cube::SIDE_BACK];
	edge_neighbor_lut[Cube::EDGE_TOP_FRONT] = side_neighbor_lut[Cube::SIDE_TOP] + side_neighbor_lut[Cube::SIDE_FRONT];
	edge_neighbor_lut[Cube::EDGE_TOP_LEFT] = side_neighbor_lut[Cube::SIDE_TOP] + side_neighbor_lut[Cube::SIDE_LEFT];
	edge_neighbor_lut[Cube::EDGE_TOP_RIGHT] = side_neighbor_lut[Cube::SIDE_TOP] + side_neighbor_lut[Cube::SIDE_RIGHT];

	int corner_neighbor_lut[Cube::CORNER_COUNT];
	corner_neighbor_lut[Cube::CORNER_BOTTOM_BACK_LEFT] = side_neighbor_lut[Cube::SIDE_BOTTOM] + side_neighbor_lut[Cube::SIDE_BACK] + side_neighbor_lut[Cube::SIDE_LEFT];
	corner_neighbor_lut[Cube::CORNER_BOTTOM_BACK_RIGHT] = side_neighbor_lut[Cube::SIDE_BOTTOM] + side_neighbor_lut[Cube::SIDE_BACK] + side_neighbor_lut[Cube::SIDE_RIGHT];
	corner_neighbor_lut[Cube::CORNER_BOTTOM_FRONT_RIGHT] = side_neighbor_lut[Cube::SIDE_BOTTOM] + side_neighbor_lut[Cube::SIDE_FRONT] + side_neighbor_lut[Cube::SIDE_RIGHT];
	corner_neighbor_lut[Cube::CORNER_BOTTOM_FRONT_LEFT] = side_neighbor_lut[Cube::SIDE_BOTTOM] + side_neighbor_lut[Cube::SIDE_FRONT] + side_neighbor_lut[Cube::SIDE_LEFT];
	corner_neighbor_lut[Cube::CORNER_TOP_BACK_LEFT] = side_neighbor_lut[Cube::SIDE_TOP] + side_neighbor_lut[Cube::SIDE_BACK] + side_neighbor_lut[Cube::SIDE_LEFT];
	corner_neighbor_lut[Cube::CORNER_TOP_BACK_RIGHT] = side_neighbor_lut[Cube::SIDE_TOP] + side_neighbor_lut[Cube::SIDE_BACK] + side_neighbor_lut[Cube::SIDE_RIGHT];
	corner_neighbor_lut[Cube::CORNER_TOP_FRONT_RIGHT] = side_neighbor_lut[Cube::SIDE_TOP] + side_neighbor_lut[Cube::SIDE_FRONT] + side_neighbor_lut[Cube::SIDE_RIGHT];
	corner_neighbor_lut[Cube::CORNER_TOP_FRONT_LEFT] = side_neighbor_lut[Cube::SIDE_TOP] + side_neighbor_lut[Cube::SIDE_FRONT] + side_neighbor_lut[Cube::SIDE_LEFT];

	uint64_t time_prep = OS::get_singleton()->get_ticks_usec() - time_before;
	time_before = OS::get_singleton()->get_ticks_usec();

//.........这里部分代码省略.........

bool Main::start() {

	ERR_FAIL_COND_V(!_start_success,false);

	bool editor=false;
	String doc_tool;
	bool doc_base=true;
	String game_path;
	String script;
	String test;
	String screen;
	String optimize;
	String optimize_preset;
	String _export_platform;
	String _import;
	String _import_script;
	String dumpstrings;
	bool noquit=false;
	bool convert_old=false;
	bool export_debug=false;
	List<String> args = OS::get_singleton()->get_cmdline_args();
	for (int i=0;i<args.size();i++) {
		

		if (args[i]=="-doctool" && i <(args.size()-1)) {

			doc_tool=args[i+1];
			i++;
		}else if (args[i]=="-nodocbase") {

			doc_base=false;
		} else if ((args[i]=="-script" || args[i]=="-s") && i <(args.size()-1)) {
		
			script=args[i+1];
			i++;
		} else if ((args[i]=="-level" || args[i]=="-l") && i <(args.size()-1)) {

			OS::get_singleton()->_custom_level=args[i+1];
			i++;
		} else if (args[i]=="-test" && i <(args.size()-1)) {
			test=args[i+1];
			i++;
		} else if (args[i]=="-optimize" && i <(args.size()-1)) {
			optimize=args[i+1];
			i++;
		} else if (args[i]=="-optimize_preset" && i <(args.size()-1)) {
			optimize_preset=args[i+1];
			i++;
		} else if (args[i]=="-export" && i <(args.size()-1)) {
			editor=true; //needs editor
			_export_platform=args[i+1];
			i++;
		} else if (args[i]=="-export_debug" && i <(args.size()-1)) {
			editor=true; //needs editor
			_export_platform=args[i+1];
			export_debug=true;
			i++;
		} else if (args[i]=="-import" && i <(args.size()-1)) {
			editor=true; //needs editor
			_import=args[i+1];
			i++;
		} else if (args[i]=="-import_script" && i <(args.size()-1)) {
			editor=true; //needs editor
			_import_script=args[i+1];
			i++;
		} else if (args[i]=="-noquit" ) {
			noquit=true;
		} else if (args[i]=="-dumpstrings" && i <(args.size()-1)) {
			editor=true; //needs editor
			dumpstrings=args[i+1];
			i++;
		} else if (args[i]=="-editor" || args[i]=="-e") {
			editor=true;
		} else if (args[i]=="-convert_old") {
			convert_old=true;
		} else if (args[i].length() && args[i][0] != '-' && game_path == "") {

			game_path=args[i];
		}
	}

	if (editor)
		Globals::get_singleton()->set("editor_active",true);


	String main_loop_type;
#ifdef TOOLS_ENABLED
	if(doc_tool!="") {

		DocData doc;
		doc.generate(doc_base);

		DocData docsrc;
		if (docsrc.load(doc_tool)==OK) {
			print_line("Doc exists. Merging..");
			doc.merge_from(docsrc);
		} else {
			print_line("No Doc exists. Generating empty.");

		}
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		};

		token_array.push_back(token);

		if (tt.get_token()==TK_EOF)
			break;
		tt.advance();

	}

	//reverse maps

	Map<int,StringName> rev_identifier_map;
	for(Map<StringName,int>::Element *E=identifier_map.front();E;E=E->next()) {
		rev_identifier_map[E->get()]=E->key();
	}

	Map<int,Variant> rev_constant_map;
	const Variant *K =NULL;
	while((K=constant_map.next(K))) {
		rev_constant_map[constant_map[*K]]=*K;
	}

	Map<int,uint32_t> rev_line_map;
	for(Map<uint32_t,int>::Element *E=line_map.front();E;E=E->next()) {
		rev_line_map[E->get()]=E->key();
	}

	//save header
	buf.resize(24);
	buf[0]='G';
	buf[1]='D';
	buf[2]='S';
	buf[3]='C';
	encode_uint32(BYTECODE_VERSION,&buf[4]);
	encode_uint32(identifier_map.size(),&buf[8]);
	encode_uint32(constant_map.size(),&buf[12]);
	encode_uint32(line_map.size(),&buf[16]);
	encode_uint32(token_array.size(),&buf[20]);

	//save identifiers

	for(Map<int,StringName>::Element *E=rev_identifier_map.front();E;E=E->next()) {

		CharString cs = String(E->get()).utf8();
		int len = cs.length()+1;
		int extra = 4-(len%4);
		if (extra==4)
			extra=0;

		uint8_t ibuf[4];
		encode_uint32(len+extra,ibuf);
		for(int i=0;i<4;i++) {
			buf.push_back(ibuf[i]);
		}
		for(int i=0;i<len;i++) {
			buf.push_back(cs[i]^0xb6);
		}
		for(int i=0;i<extra;i++) {
			buf.push_back(0^0xb6);
		}
	}

	for(Map<int,Variant>::Element *E=rev_constant_map.front();E;E=E->next()) {

		int len;
		Error err = encode_variant(E->get(),NULL,len);
		ERR_FAIL_COND_V(err!=OK,Vector<uint8_t>());
		int pos=buf.size();
		buf.resize(pos+len);
		encode_variant(E->get(),&buf[pos],len);
	}

	for(Map<int,uint32_t>::Element *E=rev_line_map.front();E;E=E->next()) {

		uint8_t ibuf[8];
		encode_uint32(E->key(),&ibuf[0]);
		encode_uint32(E->get(),&ibuf[4]);
		for(int i=0;i<8;i++)
			buf.push_back(ibuf[i]);
	}

	for(int i=0;i<token_array.size();i++) {

		uint32_t token = token_array[i];

		if (token&~TOKEN_MASK) {
			uint8_t buf4[4];
			encode_uint32(token_array[i]|TOKEN_BYTE_MASK,&buf4[0]);
			for(int j=0;j<4;j++) {
				buf.push_back(buf4[j]);
			}
		} else {
			buf.push_back(token);
		}
	}

	return buf;

}

Error GDTokenizerBuffer::set_code_buffer(const Vector<uint8_t> & p_buffer) {


	const uint8_t *buf=p_buffer.ptr();
	int total_len=p_buffer.size();
	ERR_FAIL_COND_V( p_buffer.size()<24 || p_buffer[0]!='G' || p_buffer[1]!='D' || p_buffer[2]!='S' || p_buffer[3]!='C',ERR_INVALID_DATA);

	int version = decode_uint32(&buf[4]);
	if (version>BYTECODE_VERSION) {
		ERR_EXPLAIN("Bytecode is too New! Please use a newer engine version.");
		ERR_FAIL_COND_V(version>BYTECODE_VERSION,ERR_INVALID_DATA);
	}
	int identifier_count = decode_uint32(&buf[8]);
	int constant_count = decode_uint32(&buf[12]);
	int line_count = decode_uint32(&buf[16]);
	int token_count = decode_uint32(&buf[20]);

	const uint8_t *b=buf;

	b=&buf[24];
	total_len-=24;

	identifiers.resize(identifier_count);
	for(int i=0;i<identifier_count;i++) {

		int len = decode_uint32(b);
		ERR_FAIL_COND_V(len>total_len,ERR_INVALID_DATA);
		b+=4;
		Vector<uint8_t> cs;
		cs.resize(len);
		for(int j=0;j<len;j++) {
			cs[j]=b[j]^0xb6;
		}

		cs[cs.size()-1]=0;
		String s;
		s.parse_utf8((const char*)cs.ptr());
		b+=len;
		total_len-=len+4;
		identifiers[i]=s;
	}

	constants.resize(constant_count);
	for(int i=0;i<constant_count;i++) {

		Variant v;
		int len;
		Error err = decode_variant(v,b,total_len,&len);
		if (err)
			return err;
		b+=len;
		total_len-=len;
		constants[i]=v;

	}

	ERR_FAIL_COND_V(line_count*8>total_len,ERR_INVALID_DATA);

	for(int i=0;i<line_count;i++) {

		uint32_t token=decode_uint32(b);
		b+=4;
		uint32_t linecol=decode_uint32(b);
		b+=4;

		lines.insert(token,linecol);
		total_len-=8;
	}

	tokens.resize(token_count);

	for(int i=0;i<token_count;i++) {

		ERR_FAIL_COND_V( total_len < 1, ERR_INVALID_DATA);

		if ((*b)&TOKEN_BYTE_MASK) { //little endian always
			ERR_FAIL_COND_V( total_len < 4, ERR_INVALID_DATA);

			tokens[i]=decode_uint32(b)&~TOKEN_BYTE_MASK;
			b+=4;
		} else {
			tokens[i]=*b;
			b+=1;
			total_len--;
		}
	}

	token=0;

	return OK;

}

float AnimationPlayer::get_current_animation_length() const {

    ERR_FAIL_COND_V(!playback.current.from,0);
    return playback.current.from->animation->get_length();
}

Ref<World> Spatial::get_world() const {

    ERR_FAIL_COND_V(!is_inside_world(),Ref<World>());
    return data.viewport->find_world();

}