WO2021237785A1 - Procédé de cuisson et de découpe de grande carte et procédé de récupération - Google Patents

Procédé de cuisson et de découpe de grande carte et procédé de récupération Download PDF

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Publication number
WO2021237785A1
WO2021237785A1 PCT/CN2020/094672 CN2020094672W WO2021237785A1 WO 2021237785 A1 WO2021237785 A1 WO 2021237785A1 CN 2020094672 W CN2020094672 W CN 2020094672W WO 2021237785 A1 WO2021237785 A1 WO 2021237785A1
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WIPO (PCT)
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fragmented
plot
cutting
file
baking
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PCT/CN2020/094672
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English (en)
Chinese (zh)
Inventor
郭耀琦
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广州尊游软件科技有限公司
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Publication of WO2021237785A1 publication Critical patent/WO2021237785A1/fr

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/50—Controlling the output signals based on the game progress
    • A63F13/52—Controlling the output signals based on the game progress involving aspects of the displayed game scene
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/50—Controlling the output signals based on the game progress
    • A63F13/53—Controlling the output signals based on the game progress involving additional visual information provided to the game scene, e.g. by overlay to simulate a head-up display [HUD] or displaying a laser sight in a shooting game
    • A63F13/537—Controlling the output signals based on the game progress involving additional visual information provided to the game scene, e.g. by overlay to simulate a head-up display [HUD] or displaying a laser sight in a shooting game using indicators, e.g. showing the condition of a game character on screen
    • A63F13/5372—Controlling the output signals based on the game progress involving additional visual information provided to the game scene, e.g. by overlay to simulate a head-up display [HUD] or displaying a laser sight in a shooting game using indicators, e.g. showing the condition of a game character on screen for tagging characters, objects or locations in the game scene, e.g. displaying a circle under the character controlled by the player
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/60—Generating or modifying game content before or while executing the game program, e.g. authoring tools specially adapted for game development or game-integrated level editor
    • A63F13/65—Generating or modifying game content before or while executing the game program, e.g. authoring tools specially adapted for game development or game-integrated level editor automatically by game devices or servers from real world data, e.g. measurement in live racing competition
    • A63F13/655—Generating or modifying game content before or while executing the game program, e.g. authoring tools specially adapted for game development or game-integrated level editor automatically by game devices or servers from real world data, e.g. measurement in live racing competition by importing photos, e.g. of the player

Definitions

  • the present invention relates to the field of information technology, and more specifically, to a large map baking and cutting method and a restoration method.
  • the world map scene In existing games and some special fields such as architectural modeling, a very large world map scene needs to be used to simulate the real or virtual scene to be displayed.
  • the world map scene generally has the following characteristics: a large surface area, with various resources, such as rivers, trees, cliffs, buildings, vehicles and so on.
  • the most basic solution is to use the terrain editor provided by the engine used in the game to create a complete surface, and load the complete terrain when the game is played.
  • the surface texture memory occupies a large amount, which is very easy to cause excessive memory and crash.
  • the map is divided into multiple levels of detail according to the distance between the map and the virtual camera.
  • the level of detail is baked and rendered in blocks, and the baking information corresponding to each level of detail is saved according to the specified accuracy.
  • different baking information files are exported to improve the rendering performance when the camera performs the near-to-far transformation, but the map of the same size is still used, but different baking information is used for rendering, which does not solve the problem of large memory usage.
  • the present invention provides a large map baking and cutting method and a restoration method.
  • a large map baking and cutting method including the following steps:
  • step S3 For each of the fragmented plots, bake the color of the fragmented plot to a texture, save the texture as a texture file, create a material corresponding to the texture, and assign a shader file according to the cutting parameters of step S1;
  • the principle of the above method is: determine and cut the source ground surface according to the cutting parameters into fragmented plots, then convert it into a grid and save it as a plot file; then add the color of the fragmented plot to the two-dimensional texture and save the texture file , And then create the material of the fragmented plot in the form of a corresponding map, and assign the appropriate shader file artificially or automatically according to the cutting parameters; finally, output the corresponding parameters of the fragmented plot, the path of each file, and the exported material to the final Among the cutting parameter files, the cutting parameter file is used for recovery.
  • step S4 the following steps are included:
  • step S1 is specifically as follows:
  • the terrain editor cuts several fragments according to the number of fragments and the size of the fragments, and outputs them for baking Based on the origin, the fragments are individually illuminated and baked into the overall preview of the fragments. If the operator judges that the overall preview of the fragments shows that the connected fragments do not match the source surface, return to the set number of fragments and fragments Plot size and output the overall preview of the fragmented plot, otherwise, go to step S2.
  • the source surface includes a fixed object.
  • the terrain editor cuts several fragments according to the number of fragments and the size of the fragments, it first determines the fragments to be cut according to the cutting parameters, and then according to the Fix the position of the fixed object, determine whether the fixed object will be cut on more than one multiple fragment plots, if so, calculate the first fragment plot occupying the largest area of the fixed object among the multiple fragment plots, and fix it
  • the objects are included in the first fragment plot and the fixed objects are removed from the other fragment plots; the above operation of judging the fixed objects is repeated until all the fixed objects are only included in a single fragment plot, and the fragment plots are output.
  • the texture is an RGB texture whose size can be customized.
  • the parameters of the fragmented plot include the vertex coordinates, size, and position coordinates of the fragmented plot on the map.
  • fragmented plot files in step S2 and the texture files in step S3 are named and arranged in sequence.
  • the color of the fragmented plot in the step S3 is a solid color formed by a combination of the original color and the color baked by light.
  • a recovery method based on a large map baking and cutting method Firstly, initialize the cutting parameter file obtained in step S4, load the location coordinates of the fragmented plot, cache the path of the fragmented plot file and the map file; real-time check the location of the fragmented plot Calculate the coordinates to determine whether the fragmented plot falls into the range that needs to be displayed; if the fragmented plot falls into the range that needs to be displayed and has not been loaded, it will be constructed and displayed based on the cached fragmented plot file and texture file. Prefab; if the fragmented plot does not fall into the range that needs to be displayed and has been loaded for more than a preset period of time, unload the fragmented plot.
  • the specific process of judging whether the fragmented plot falls within the range that needs to be displayed is to calculate all the fragmented plots before rendering each frame and determine whether any vertex of the fragmented plot will fall on the screen in the next frame In the range.
  • the specific process of judging whether the fragmented plot falls within the range that needs to be displayed is to determine the coordinates of the center point of the screen in the next frame on the map before each frame is rendered. If a vertex is located within the preset radius of the center point in the next frame, the fragmented plot falls into the range that needs to be displayed.
  • the present invention first determines the cutting parameters to ensure that the cut fragments can still achieve the same baking effect as the source surface after being baked by independent lighting, and then cut the source surface into a grid of fragments, and then according to the fragments
  • the entity color corresponding to the source surface is baked onto the texture map, the grid and texture files of the fragmented plots are saved, and the cutting parameter file is output according to the preset cutting parameters and texture materials.
  • first load the cutting parameter file and then load the resources of the fragmented parcels within the screen range according to the fragmented parcel file and texture file on the screen.
  • the operator only needs to adjust in advance and ensure that the recombination of the fragmented plots can achieve the same effect as the source surface, and the specific operation of cutting the source surface will be automatically performed on the basis of the cutting parameters, and the fragmented plots after cutting Related files can be loaded on demand and do not need to be light-baked again to achieve the purpose of optimizing performance.
  • Fig. 1 is a schematic flow diagram of the large-map baking and cutting method of the present invention.
  • Figure 2 shows the interface of the map editor and its setting parameters.
  • Figure 3 is a schematic diagram of the assembled prefab on a map.
  • Figure 4 is a schematic diagram of the actual scene of the game.
  • a method for baking and cutting a large map as shown in Figure 1.
  • several fragments will be automatically cut through T4M in Unity3D, and the fragments will be light baked based on the baking origin, and output The overall preview of the fragments. If the operator judges that the overall preview of the fragments shows that the connected fragments do not match the source surface, then return to the set number of fragments and the size of the fragments and output the overall preview of the fragments, otherwise
  • the overall preview is a 3D free preview with a free lens or a screenshot determined by the angle of view.
  • the cutting parameters may also include other parameters, such as the naming rules of the fragmented plot files and texture files to be generated next.
  • T4M when T4M cuts fragments, it first determines the fragments to be cut according to the cutting parameters, and then determines whether the fixed object will be cut on more than one fragments based on the position of the fixed object. If so, Calculate the first fragment plot that occupies the largest area of the fixed object among the multiple fragment plots, include the fixed object in the first fragment plot and remove the fixed object from the other fragment plots; repeat the above-mentioned operation of determining the fixed object , Until all fixed objects are only included in a single fragment plot, the fragment plot is output. In the modified implementation, algorithms can also be used to determine whether the edges between fragmented plots are smooth.
  • it can be calculated to determine whether the topography, lighting, color transitions on both sides of the edge are smooth, whether there are faults, and the topography or Whether the light coverage generated by the fixed object is also reflected on the debris plot, so as to also achieve the effect of judging whether the debris plot is consistent with the source surface.
  • the source surface is cut into a grid of several fragmented plots and saved as a fragmented plot file.
  • the physical colors of the fragmented plots onto an RGB texture set by the operator, save the texture as a texture file, and create a texture corresponding to the texture, according to the step S1 Cutting parameter allocation shader file.
  • the entity color is a combination of the original color and the color baked by light.
  • a cutting parameter file including the parameters of all fragmented plots, the paths of fragmented plot files and texture files, and the path of material and shader files.
  • the parameters of the fragment plot include the vertex coordinates, size, and position coordinates of the fragment plot on the map.
  • the game engine can re-import the texture file and cutting parameter file in advance, assign the textures to the materials corresponding to the textures in order, read the fragmented plot file of step S2 and load it
  • the grid of fragmented plots uses materials and fragmented plots to form a prefabricated body of fragmented plots with fixed objects, such as the reusable object Prefab in Unity3D.
  • Prefab corresponds to the grid between the source surface. For example, if a map part is cut into 5 rows and 5 columns, it will result in 25 Prefabs.
  • a recovery method based on the baking and cutting method of the big map First, the cutting parameter file obtained when the cutting method is completed, load the location coordinates of the fragmented plot, cache the path of the fragmented plot file and the texture file; real-time check the location of the fragmented plot Calculate the coordinates to determine whether the fragmented plot falls into the range that needs to be displayed; if the fragmented plot falls into the range that needs to be displayed and has not been loaded, it will be constructed and displayed based on the cached fragmented plot file and texture file. Prefab; if the fragmented plot does not fall into the range that needs to be displayed and has been loaded for more than a preset period of time, unload the fragmented plot.
  • the fragmented plot since the fragmented plot includes fixed objects that have been allocated, the surface of the fragmented plot and the fixed objects are loaded together when they need to be displayed.
  • the specific process of judging whether the fragmented plot falls within the range that needs to be displayed is to calculate all the fragmented plots and determine whether the fragmented plots have any bounding before each frame of rendering. ) The vertex will fall within the range of the screen in the next frame.
  • the specific process of judging whether the fragmented plot falls within the range that needs to be displayed is to determine the coordinates of the center point of the screen in the next frame on the map before each frame is rendered, if If any bounding apex of the fragment plot is located within the preset radius of the center point in the next frame, the fragment plot falls into the range that needs to be displayed.
  • the existing technology requires 4 rgba maps and 4 rgb maps to form a control map plot, and at 2k resolution without compression
  • the size of the rgba map is 16mb
  • the plot after cutting is generally 256kb, and the maximum is not more than 3-5mb. This can greatly reduce the memory, and the user slides the screen to make the map When the different parts of the are loaded correspondingly, the display effect consistent with the prior art is still maintained.

Abstract

La présente invention concerne un procédé de cuisson et de découpe de grande carte et un procédé de récupération. Le procédé de découpe comprend les étapes suivantes : S1, acquisition d'une surface de sol source, et détermination de paramètres de découpe ; S2, découpe de la surface de sol source en un maillage de plusieurs blocs fragmentés et stockage de ceux-ci sous la forme d'un fichier de blocs fragmentés ; S3, pour chaque bloc fragmenté, cuisson de la couleur du bloc fragmenté sur une carte, stockage de la carte sous la forme d'un fichier de carte, création d'un matériau correspondant à la carte, et attribution d'un fichier de nuanceur en fonction des paramètres de découpe à l'étape S1 ; et S4, délivrance en sortie d'un fichier de paramètres de découpe comprenant les paramètres de tous les blocs fragmentés, le fichier de blocs fragmentés et un chemin et le matériau du fichier de carte, et le chemin du fichier de nuanceur. La présente invention présente un avantage en ce que l'opération spécifique de découpe de la surface de sol source sera automatiquement exécutée sur la base des paramètres de découpe prédéterminés, et les fichiers pertinents des blocs fragmentés découpés peuvent être chargés à la demande lors de l'utilisation, de façon à réaliser l'objectif d'optimisation des performances.
PCT/CN2020/094672 2020-05-26 2020-06-05 Procédé de cuisson et de découpe de grande carte et procédé de récupération WO2021237785A1 (fr)

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CN202010455886.4A CN111729303B (zh) 2020-05-26 2020-05-26 一种大地图烘焙切割方法及恢复方法
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