How to Create a Message Popup Icon

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Revision as of 13:25, 21 June 2019

The information in this Wiki Page applies to both TANE and TRS19.

Contents

Message Popup Icons

Message Popup Icons are small graphic icons that can be placed in browser message windows in Driver mode. The browser windows are created by the Message Popup Rule.

DotPoint.JPG The icons used in Custom Message Popups belong to the class of Textures - Not Environmental

Information on Message Popups can be found at the Trainz Wiki pages:-
WikiLink.PNG Using the Message Popup Rule
WikiLink.PNG Using the Message Popup Rule (Applications)
WikiLink.PNG How to Create a HTML Asset
WikiLink.PNG Message Popup Rule (description)

How to Create a New Non-Environmental Texture Asset

Steps.PNG Step 1: Create the Asset
NewAsset.PNG

NewAssetCreated.PNG
From the TANE/TRS19 Launcher
  1. select Manage Content
  2. in Content Manager open the Developer menu
  3. select New Content

This will create a new asset and open it for editing.

A message window will appear that will (hopefully) report on the successful creation of a new asset.

  • Close the message window



Steps.PNG Step 2: Find the New Asset
NewAssetSelectOpen.PNG
  • Set the CM Search Filter to Open for Editing

This will display only those assets that have been opened for editing (hopefully only your new and as yet unnamed asset will be shown)



Steps.PNG Step 3: Open the Asset in Windows Explorer
NewAssetShowExplorer.PNG
  1. Right mouse click on the entry New Asset
  2. Select Open
  3. Select Show in Explorer



Steps.PNG Step 4: Open File in Notepad
NewAssetOpenExplorer.PNG There will only be a single item in the asset, its config.txt file
  • Double click on the file to open it in Notepad



Steps.PNG Step 5: Edit the File
NewAssetOpenNotepad.PNG You will need to edit the contents of this file.
  • The next section, PageLink.PNG The Config.txt File, identifies the changes you will need to make.
  • The new name you give to the asset will not take effect until after it has been committed.
  • After editing, save the changes and exit Notepad.

Warning:
Stop.PNG Unless you know exactly what you are doing, DO NOT ALTER THE KUID NUMBER that has been added to the file



Steps.PNG Step 6: Add Any "Extras"

You will need to add three additional files (possibly more depending on how the icon is created) to the asset folder:-


These file do not have to be added immediately but must be present before the new asset can be used. You can reopen the asset for editing later to add the files before it is committed.


TexturePopupFiles.PNG THIS IS AN EXAMPLE ONLY

This is the minimum number of files needed in a Texture asset

Steps.PNG Step 7: Finish Up
NewAssetSubmit.PNG
  • Close the Asset window
  • Commit the asset in Content manager
  1. Right mouse click on the asset
  2. Select Submit Edits

Hopefully there will be no errors.

NotePad.PNG Notes:
Because you still have the Filter Open for Editing in operation, the now closed and committed asset will vanish from the window display. To check that your asset has been correctly created and renamed, set the CM Search Filter to "Today".
Bug.png Some of the most common errors that can occur when creating and committing a new asset are:-
  • no thumbnail image in the asset
  • typing errors in the config.txt or .texture.txt files
  • poorly formatted tags in the config.txt file
  • incorrect file types added to the asset folder
  • files missing from the asset folder
  • incorrect kuid value (despite the warning you changed it in Step 5)


The Config.txt File

This file should follow the same (or a similar) format as the example below. Entries in blue will be different for each asset. The order of the "tags" is not important:-

kuid                                    <kuid:this is an auto-generated number>
kind                                    "texture"
texture                                 "asset_name.texture"
username                                "place your selected asset name here"
category-class                          "JI"
trainz-build                            4.3

thumbnails
{
  0
  {
    width                               240
    height                              180
    image                               "name_of_thumbnail.jpg"
  }
  1
  {
    width                               64
    height                              64
    image                               "asset_name.texture"
  }
}
description                             "Place your description of what the icon represents here"

Gears.PNG Settings:

For the above example:

  • The <kuid> is unique to every asset so it is not advisable to choose your own. This will be automatically generated by the Content Manager program when a new asset is created
  • The kind identifies the type of asset and the types of files that TANE/TRS19 will expect to find in the asset. It also tells TANE/TRS19 how to render and error check the asset. A list of asset kinds can be found at WikiLink.PNG KIND Hierarchy
  • The texture is the name of the assets texture file. This will be a simple text file and will have the name asset_name.texture where asset_name will be a name you have selected for this asset - e.g. "ashpit.texture". The actual texture file itself will be named asset_name.texture.txt (e.g. "ashpit.texture.txt") but the filename ending ".txt" is not added to the name in the texture tag
  • The username is your name for the asset and the name that other users will see. It is a good idea to make it compact and meaningful.
  • The category-class identifies the intent of the asset and is important in classifying it for filtering and searching. A list of category classes can be found at WikiLink.PNG Category-class
  • The trainz-build identifies the minimum Trainz version for this asset. A list of asset trainz-build numbers and their corresponding Trainz versions can be found at WikiLink.PNG "Trainz-build"_number
  • The thumbnails container holds the preview images of the asset shown by the Content Manager program, the Web version of the DLS and the Message Popup Rule. It also contains the icon image. Information on thumbnails can be found at WikiLink.PNG Thumbnails
    • The first thumbnail (size 240 x 180) is the thumbnail image used by CM and the Web DLS Page for this asset. The thumbnail image container value "0" is simply a placeholder for the thumbnail image, its exact value does not matter
      • The image is the name of the thumbnail image - it must be a JPG format image
      • The width of the image must be 240 pixels
      • The height of the image must be 180 pixels
    • The second thumbnail (size 64 x 64) is the icon image used by the Message Popup Rule for this asset. The icon image container value "1" is simply a placeholder for the icon image, its exact value does not matter but it must be different from the thumbnail image container
      • The image is the assets asset_name.texture.txt file (but without the ".txt" at the end)
      • The width of the image must be 64 pixels
      • The height of the image must be 64 pixels
  • The description provides more details for users than the username


The Icon Image

DotPoint.JPG You will need image editing software to create the icon image or to change an existing image to the required dimensions and format.


Texture64Pixels.PNG
(not to scale)

Gears.PNG Settings:

The image must meet the following specifications:-

  • 64 pixels wide and 64 pixels tall
  • bit depth should be 24 (no alpha channel or transparency) or 32 (if an alpha channel is used)
  • image file format can be any of:-
    • bmp
    • jpg (jpg does not support transparency)
    • png
    • tga (tga compression should not be used)


PencilTips.PNG If your image will have a transparency, such as a transparent background, it is usually a lot easier to save the image in a format that supports an alpha channel (bmp, png or tga) and either
  • convert the background to a transparency or
  • remove the background and add a transparent layer to the image as its background
than it is to use a format that does not support an alpha channel and have to create a second image for the alpha channel. See PageLink.PNG The Texture File below.


The Texture File

DotPoint.JPG The .texture.txt file controls how an image icon is displayed, particularly its Alpha Channel (or transparency) data. The file must be present even if no transparency is used in the icon.



Gears.PNG Settings:
  • the Texture File is a standard text file
  • the filename is composed of:-
    • a user selected asset_name followed by a period (.)
    • the word texture followed by a period (.)
    • the letters txt


A sample Texture File, "ashpit.texture.txt", is shown below:-

primary=ashpit.jpg
alpha=ashpit.bmp
tile=st

Gears.PNG Settings:
  • primary - this is the name of the icon image file that contains the RGB colour image. Any alpha channel in this file will be ignored
  • alpha - this is the name of the icon image file that contains the Alpha Channel (transparency) image (see Notes: below)
  • tile=st - instructs TANE/TRS19 to tile the image both horizontally and vertically. This has no effect on the icon in a message popup window but must be included for validation purposes
No "white spaces" between the text characters is allowed.

NotePad.PNG Notes:

There are 3 general "scenarios" for the structure of the Texture File in a Texture Non Environmental asset.

DotPoint1.JPG If the icon has a transparency (an alpha channel) and is saved in a format that supports the alpha channel

Then:-

primary=ashpit.tga
alpha=ashpit.tga
tile=st

  • the primary and alpha images are the same file, as in the example shown left
  • the image must contain both the RGB colour data and the Alpha Channel (transparency) data (it must have a depth of 32 bits)
DotPoint2.JPG If the icon needs to have transparency (an alpha channel) but an alpha channel is not available (e.g. it is saved in the jpg file format) or is not suitable

Then:-

primary=ashpit.jpg
alpha=ashpit_alpha.jpg
tile=st
  • two different files (different file names or different image file formats) must be used as in the example shown left
  • both images must be the same size (64 pixels x 64 pixels)
  • both images must have a depth of 24 bits - so no alpha channel must be present in either image
  • the alpha image file should be a greyscale image or even just black and white
DotPoint3.JPG If the icon image does not have a transparency and no alpha channel is needed

Then:-

primary=ashpit.tga
tile=st

  • the alpha= line in the .texture.txt file is not needed, as in the example shown left
  • the primary file contains the RGB colour data and can be in any supported image format. If it also has alpha channel data then that data it will be ignored so the icon will be shown without any transparency

Image file formats supported by TANE/TRS19 that have an alpha channel are:-

  • bmp
  • png
  • tga

Image file formats supported by TANE/TRS19 that DO NOT have an alpha channel are:-

  • jpg


A more detailed description of the Texture File can be found on the Trainz Wiki at WikiLink.PNG Texture File

Using the Asset

Once the new asset has been committed it will be available for use in a Message Popup Rule. It will appear as a Texture Asset in the rule icon list.

TextureAssetList.PNG

Steps.PNG Steps:

In the Session Editor add a Message Popup Rule and open it for editing.

  1. Select PortalOptionButtonFilled.PNG Custom Text
  2. Click the icon link Click to select
  3. Scroll through the list of Texture Icons
  4. Select the required icon
  5. Click the Tick.PNG icon to accept the selection




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