CN111562949B - Model file loading method and device - Google Patents

Model file loading method and device Download PDF

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Publication number
CN111562949B
CN111562949B CN201910084892.0A CN201910084892A CN111562949B CN 111562949 B CN111562949 B CN 111562949B CN 201910084892 A CN201910084892 A CN 201910084892A CN 111562949 B CN111562949 B CN 111562949B
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model file
file
mobile terminal
target
loading
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CN111562949A (en
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许乾隆
蒋卫滨
王金明
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Feihu Information Technology Tianjin Co Ltd
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Feihu Information Technology Tianjin Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/445Program loading or initiating
    • G06F9/44521Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The application provides a method and a device for loading a model file, which are applied to a mobile terminal, wherein the method comprises the following steps: responding to a model file loading request of a target webpage application, and acquiring a model file loading index issued by the target webpage application; searching whether a model file corresponding to the model file loading index exists in a set application package of the mobile terminal; if so, acquiring a corresponding model file from a set application package of the mobile terminal, and taking the model file as a target model file; and returning the target model file to the target webpage application. In the present application, the loading efficiency can be improved in the above manner.

Description

Model file loading method and device
Technical Field
The present application relates to the field of mobile terminals, and in particular, to a method and apparatus for loading a model file.
Background
Currently, web applications (e.g., web games) running on mobile terminals often use three.js to load model files from remote servers, and use the model files to render multidimensional (e.g., three-dimensional) scenes and objects.
The time to load the model files from the remote server is typically long, however, affecting the loading efficiency,
disclosure of Invention
In order to solve the above technical problems, an embodiment of the present application provides a method and an apparatus for loading a model file, so as to achieve the purpose of improving loading efficiency, and the technical scheme is as follows:
a model file loading method is applied to a mobile terminal, and the method comprises the following steps:
responding to a model file loading request of a target webpage application, and acquiring a model file loading index issued by the target webpage application;
searching whether a model file corresponding to the model file loading index exists in a set application package of the mobile terminal;
if so, acquiring a corresponding model file from a set application package of the mobile terminal, and taking the model file as a target model file;
and returning the target model file to the target webpage application.
Preferably, the method further comprises:
and under the condition that the model file corresponding to the model file loading index does not exist in the setting application package of the mobile terminal, acquiring the corresponding model file from the target remote server as a target model file.
Preferably, the method further comprises:
and updating the model file acquired from the target remote server into the setting application package.
Preferably, the method further comprises:
responding to a model file updating request, and updating the model file to be updated into a set application package of the mobile terminal;
and generating a loading index of the model file to be updated and sending the loading index to a corresponding webpage application.
Preferably, the model file loading index includes: either one or both of the model file name and the model file storage path.
A model file loading device applied to a mobile terminal, the device comprising:
the first acquisition module is used for responding to a model file loading request of a target webpage application and acquiring a model file loading index issued by the target webpage application;
the searching module is used for searching whether a model file corresponding to the model file loading index exists in a set application package of the mobile terminal, and if so, executing the second obtaining module;
the second obtaining module is used for obtaining a corresponding model file from a set application package of the mobile terminal to serve as a target model file;
and the return module is used for returning the target model file to the target webpage application.
Preferably, the apparatus further comprises:
and the third acquisition module is used for acquiring the corresponding model file from the target remote server as the target model file under the condition that the model file corresponding to the model file loading index does not exist in the setting application package of the mobile terminal.
Preferably, the apparatus further comprises:
and the first updating module is used for updating the model file acquired from the target remote server into the setting application package.
Preferably, the apparatus further comprises:
the second updating module is used for responding to the model file updating request and updating the model file to be updated into the setting application package of the mobile terminal;
and the generating and transmitting module is used for generating the loading index of the model file to be updated and transmitting the loading index to the corresponding webpage application.
Preferably, the model file loading index includes: either one or both of the model file name and the model file storage path.
Compared with the prior art, the application has the beneficial effects that:
in the application, at one side of the mobile terminal, a model file loading request of a target webpage application is responded, a model file loading index issued by the target webpage application is obtained, whether a model file corresponding to the model file loading index exists in a set application package of the mobile terminal is searched, the model file is preferentially searched locally at the mobile terminal, if so, the corresponding model file is obtained from the set application package of the mobile terminal and used as the target model file, the model file is locally obtained from the mobile terminal, and the target model file is returned to the target webpage application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a flow chart of a model file loading method provided by the application;
FIG. 2 is a flowchart of another method for loading model files provided by the present application;
FIG. 3 is a flowchart of a further method for loading model files provided by the present application;
FIG. 4 is a flowchart of a further method for loading model files provided by the present application;
fig. 5 is a schematic structural diagram of a model file loading device provided by the application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application discloses a model file loading method which is applied to a mobile terminal and comprises the following steps: responding to a model file loading request of a target webpage application, and acquiring a model file loading index issued by the target webpage application; searching whether a model file corresponding to the model file loading index exists in a set application package of the mobile terminal; if so, acquiring a corresponding model file from a set application package of the mobile terminal, and taking the model file as a target model file; and returning the target model file to the target webpage application. In the application, the loading efficiency can be improved.
The method for loading a model file disclosed in the embodiment of the present application is described next, and it should be noted that, referring to fig. 1, the method for loading a model file may include:
and S11, responding to a model file loading request of a target webpage application, and acquiring a model file loading index issued by the target webpage application.
The target web application can be understood as: a web application running on the mobile terminal.
When the webpage application needs to load the model file, a model file loading request is initiated, and the mobile terminal responds to the model file loading request referenced by the target webpage to acquire a model file loading index issued by the target webpage application. The model file loading index is used for searching the model file requested by the webpage application in the mobile terminal.
Preferably, the model file loading index may include: either one or both of the model file name and the model file storage path.
Model files may include, but are not limited to: OBJ model files. Among them, OBJ is a simple three-dimensional file format, created by Wavefront Technologies company, which is the most widely used three-dimensional file format for defining the geometry of three-dimensional objects. The OBJ model file generally includes: OBJ files and MTL files. An OBJ file is typically used with an MTL file that defines a variety of material information, the OBJ file defining the shape of the three-dimensional object, and which material in the MTL file is used for each face and vertex. The OBJ file and the MTL file are collectively referred to as an OBJ model.
And step S12, searching whether a model file corresponding to the model file loading index exists in a setting application package of the mobile terminal.
If so, step S13 is performed.
In this embodiment, the model file is packaged in the setting application package in advance, and the setting application package is installed in the mobile terminal.
Preferably, in order to improve the installation efficiency of the setting application package, the set number of model files can be packaged into the setting application package, so that the size of the setting application package is ensured to be within the set size range. Of course, after the installation of the setting application package is completed, when there is an update demand, the model file in the setting application package may be updated.
And S13, acquiring a corresponding model file from the set application package of the mobile terminal as a target model file.
In step S12, when it is determined that the model file corresponding to the model file loading index exists in the set application package of the mobile terminal, the corresponding model file is obtained from the set application package of the mobile terminal according to the model file loading index, and is used as the target model file.
Of course, when the system of the mobile terminal is different, the mode of acquiring the corresponding model file from the setting application package of the mobile terminal is different. Specifically, in the case that the mobile terminal is an iOS system mobile terminal, the mobile terminal uses the iOS API to read a corresponding model file from within a set application package of the mobile terminal. And under the condition that the mobile terminal is an android system mobile terminal, the mobile terminal uses the android API to read the corresponding model file from the setting application package of the mobile terminal.
The specific implementation process of the mobile terminal for reading the corresponding model file from the setting application package of the mobile terminal by using the iOS API may include:
creating an NSString object result through API stringWithContentsOfFile of the iOS, when creating the NSString object, the path information of the file needs to be transmitted, and setting the coding format of the file reading content to UTF8, so that the whole content of the read model file is ensured to be stored in the result.
The specific implementation process of the mobile terminal for reading the corresponding model file from the setting application package of the mobile terminal by using the android API can comprise the following steps:
<1> creating a File object File by taking path information of the model File as a parameter;
<2> using file as a parameter, creating a FileInputStream object fis for reading file contents;
<3> creating a StringBuilder object result for storing the content information of the model file;
<4> creating a byte array object buffer for circularly reading the file contents;
<5> reading file contents of a certain byte number by using fis, and storing the read contents into buffer;
<6> create String object s with buffer read each time, and add s to result.
<7> if the file is not read, go to step <5>, otherwise, end the flow.
Finally, the result stores the whole content of the read model file.
And step S14, returning the target model file to the target webpage application.
And the mobile terminal returns the target model file to the target webpage application to finish loading the requested model file by the target webpage application. After the target webpage application is loaded with the target model file, the target model file can be utilized to render scenes and objects with corresponding dimensions.
In another embodiment of the present application, another method for loading a model file is introduced, which is applied to a mobile terminal, please refer to fig. 2, and may include:
and S21, responding to a model file loading request of the target webpage application, and acquiring a model file loading index issued by the target webpage application.
And S22, searching whether a model file corresponding to the model file loading index exists in a setting application package of the mobile terminal.
If so, executing step S23; if not, step S24 is performed.
Step S23, obtaining a corresponding model file from the set application package of the mobile terminal as a target model file.
Steps S21 to S23 are identical to steps S11 to S13 in the foregoing embodiments, and the detailed procedure of steps S21 to S23 may be referred to the relevant description of steps S11 to S13, and will not be repeated here.
And step S24, acquiring a corresponding model file from the target remote server as a target model file.
And under the condition that the corresponding model file does not exist in the set application package of the mobile terminal, acquiring the corresponding model file from the target remote server, and improving the reliability of the record of the model file.
And step S25, returning the target model file to the target webpage application.
The detailed process of step S25 may be referred to the description of step S14 in the foregoing embodiment, and will not be repeated here.
In another embodiment of the present application, another method for loading a model file is introduced, which is applied to a mobile terminal, please refer to fig. 3, and may include:
and step S31, responding to a model file loading request of the target webpage application, and acquiring a model file loading index issued by the target webpage application.
And step S32, searching whether a model file corresponding to the model file loading index exists in a setting application package of the mobile terminal.
If yes, go to step S33; if not, step S34 is performed.
And step S33, obtaining a corresponding model file from the set application package of the mobile terminal as a target model file.
And step S34, acquiring a corresponding model file from the target remote server as a target model file.
And under the condition that the corresponding model file does not exist in the set application package of the mobile terminal, acquiring the corresponding model file from the target remote server, and improving the reliability of the record of the model file.
And step S35, returning the target model file to the target webpage application.
Steps S31 to S35 are identical to steps S21 to S25 in the foregoing embodiments, and the detailed procedure of steps S31 to S35 may be referred to the relevant description of steps S21 to S25, and will not be repeated here.
And step S36, updating the model file acquired from the target remote server into the setting application package.
The model files acquired from the target remote server are updated into the set application package, so that the model files can be acquired from the set application package of the mobile terminal when the target webpage application requests the same model files next time, the loading time is shortened, and the loading efficiency is improved.
It should be noted that, after updating the model file obtained from the target remote server into the setting application package, a loading index of the model file in the setting application package needs to be generated, and the loading index may be sent to the target web application, so as to ensure that the target web application can accurately obtain the corresponding model file next time.
In another embodiment of the present application, another method for loading a model file is introduced, which is applied to a mobile terminal, please refer to fig. 4, and may include:
and step S41, responding to a model file loading request of the target webpage application, and acquiring a model file loading index issued by the target webpage application.
And step S42, searching whether a model file corresponding to the model file loading index exists in a setting application package of the mobile terminal.
If so, step S43 is performed.
And step S43, obtaining a corresponding model file from the set application package of the mobile terminal as a target model file.
And step S44, returning the target model file to the target webpage application.
Steps S41 to S44 are identical to steps S11 to S14 in the foregoing embodiments, and the detailed procedure of steps S41 to S44 may be referred to the relevant description of steps S11 to S14, and will not be repeated here.
And step S45, responding to a model file updating request, and updating the model file to be updated into a setting application package of the mobile terminal.
When the web application has a need for updating the model file, the web application or the related processor can initiate a model file updating request to the mobile terminal, and correspondingly, the mobile terminal responds to the model file updating request to update the model file to be updated into a set application package of the mobile terminal.
Updating the model file to be updated into the setting application package of the mobile terminal can be understood as: under the condition that a file of a model file type to be updated does not exist in a setting application package of the mobile terminal, the model file to be updated is inserted into the setting application package of the mobile terminal; or under the condition that the file of the type of the model file to be updated exists in the setting application package of the mobile terminal, replacing the corresponding model file in the setting application package of the mobile terminal with the model file to be updated.
Step S46, generating a loading index of the model file to be updated, and sending the loading index to a corresponding webpage application.
In this embodiment, the loading index of the model file to be updated may include, but is not limited to: either or both of name and storage path.
And generating a loading index of the model file to be updated and sending the loading index to the corresponding webpage application, so that the corresponding webpage application can be ensured to accurately load the corresponding model file according to the loading index.
The model file loading device provided by the application is described next, and the model file loading device described below and the model file loading method described above can be referred to correspondingly.
Referring to fig. 5, the model file loading device is applied to a mobile terminal, and the model file recording device includes: a first acquisition module 11, a search module 12, a second acquisition module 13 and a return module 14.
The first obtaining module 11 is configured to respond to a model file loading request of a target web application, and obtain a model file loading index issued by the target web application.
The searching module 12 is configured to search whether a model file corresponding to the model file loading index exists in a set application package of the mobile terminal, and if so, execute the second obtaining module 13.
The second obtaining module 13 is configured to obtain a corresponding model file from the set application package of the mobile terminal, as a target model file.
And the return module 14 is used for returning the target model file to the target webpage application.
In this embodiment, the model file loading device may further include:
and the third acquisition module is used for acquiring the corresponding model file from the target remote server as the target model file under the condition that the model file corresponding to the model file loading index does not exist in the setting application package of the mobile terminal.
In this embodiment, the model file loading device may further include:
and the first updating module is used for updating the model file acquired from the target remote server into the setting application package.
In this embodiment, the model file loading device may further include:
the second updating module is used for responding to the model file updating request and updating the model file to be updated into the setting application package of the mobile terminal;
and the generating and transmitting module is used for generating the loading index of the model file to be updated and transmitting the loading index to the corresponding webpage application.
In this embodiment, the model file loading index may include: either one or both of the model file name and the model file storage path.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other. For the apparatus class embodiments, the description is relatively simple as it is substantially similar to the method embodiments, and reference is made to the description of the method embodiments for relevant points.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
For convenience of description, the above devices are described as being functionally divided into various units, respectively. Of course, the functions of each element may be implemented in the same piece or pieces of software and/or hardware when implementing the present application.
From the above description of embodiments, it will be apparent to those skilled in the art that the present application may be implemented in software plus a necessary general hardware platform. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the embodiments or some parts of the embodiments of the present application.
The above describes in detail a method and apparatus for loading a model file provided by the present application, and specific examples are applied to illustrate the principles and embodiments of the present application, where the above description of the examples is only for helping to understand the method and core ideas of the present application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.

Claims (10)

1. A model file loading method, wherein a webpage applied to a mobile terminal uses three.js, the method comprising:
responding to a model file loading request of a target webpage application, and acquiring a model file loading index issued by the target webpage application;
searching whether a model file corresponding to the model file loading index exists in a setting application package of the mobile terminal, wherein the model file comprises an OBJ model file;
if so, acquiring a corresponding model file from a set application package of the mobile terminal, and taking the model file as a target model file;
returning the target model file to the target webpage application;
when the mobile terminal is an iOS system mobile terminal, the mobile terminal reads a corresponding model file from a setting application package of the mobile terminal by using an API of the iOS, and the method includes:
creating an NSString object result through API stringWithContentsOfFile of the iOS, inputting path information of a file when the NSString object is created, and setting the coding format of file reading content to UTF8;
when the mobile terminal is an android system mobile terminal, the mobile terminal uses an android API to read a corresponding model file from a set application package of the mobile terminal, and the method comprises the following steps:
<1> creating a File object File by taking path information of the model File as a parameter;
<2> using file as a parameter, creating a FileInputStream object fis for reading file contents;
<3> creating a StringBuilder object result for storing the content information of the model file;
<4> creating a byte array object buffer for circularly reading the file contents;
<5> reading file contents of a certain byte number by using fis, and storing the read contents into buffer;
<6> create String object s with buffer read each time, and add s to result;
<7> if the file is not read, go to step <5>, otherwise, end the flow.
2. The method according to claim 1, wherein the method further comprises:
and under the condition that the model file corresponding to the model file loading index does not exist in the setting application package of the mobile terminal, acquiring the corresponding model file from the target remote server as a target model file.
3. The method according to claim 2, wherein the method further comprises:
and updating the model file acquired from the target remote server into the setting application package.
4. The method according to claim 1, wherein the method further comprises:
responding to a model file updating request, and updating the model file to be updated into a set application package of the mobile terminal;
and generating a loading index of the model file to be updated and sending the loading index to a corresponding webpage application.
5. The method of claim 1, wherein the model file loading index comprises: either one or both of the model file name and the model file storage path.
6. A model file loading apparatus, wherein a web page applied to a mobile terminal uses three.js, the apparatus comprising:
the first acquisition module is used for responding to a model file loading request of a target webpage application and acquiring a model file loading index issued by the target webpage application;
the searching module is used for searching whether a model file corresponding to the model file loading index exists in a set application package of the mobile terminal, the model file comprises an OBJ model file, and if so, the second obtaining module is executed;
the second obtaining module is used for obtaining a corresponding model file from a set application package of the mobile terminal to serve as a target model file;
the return module is used for returning the target model file to the target webpage application;
when the mobile terminal is an iOS system mobile terminal, the second obtaining module is specifically configured to:
creating an NSString object result through API stringWithContentsOfFile of the iOS, inputting path information of a file when the NSString object is created, and setting the coding format of file reading content to UTF8;
when the mobile terminal is an android mobile terminal, the second obtaining module is specifically configured to:
<1> creating a File object File by taking path information of the model File as a parameter;
<2> using file as a parameter, creating a FileInputStream object fis for reading file contents;
<3> creating a StringBuilder object result for storing the content information of the model file;
<4> creating a byte array object buffer for circularly reading the file contents;
<5> reading file contents of a certain byte number by using fis, and storing the read contents into buffer;
<6> create String object s with buffer read each time, and add s to result;
<7> if the file is not read, go to step <5>, otherwise, end the flow.
7. The apparatus of claim 6, wherein the apparatus further comprises:
and the third acquisition module is used for acquiring the corresponding model file from the target remote server as the target model file under the condition that the model file corresponding to the model file loading index does not exist in the setting application package of the mobile terminal.
8. The apparatus of claim 7, wherein the apparatus further comprises:
and the first updating module is used for updating the model file acquired from the target remote server into the setting application package.
9. The apparatus of claim 6, wherein the apparatus further comprises:
the second updating module is used for responding to the model file updating request and updating the model file to be updated into the setting application package of the mobile terminal;
and the generating and transmitting module is used for generating the loading index of the model file to be updated and transmitting the loading index to the corresponding webpage application.
10. The apparatus of claim 6, wherein the model file loading index comprises: either one or both of the model file name and the model file storage path.
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US11599338B2 (en) * 2021-06-18 2023-03-07 Qingdao Pico Technology Co., Ltd. Model loading method and apparatus for head-mounted display device, and head-mounted display device
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CN104484383A (en) * 2014-12-10 2015-04-01 北京国双科技有限公司 JS file processing method and device
CN106569859A (en) * 2016-10-28 2017-04-19 搜游网络科技(北京)有限公司 Method and device for loading object file

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CN106569859A (en) * 2016-10-28 2017-04-19 搜游网络科技(北京)有限公司 Method and device for loading object file

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