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解説/FEBuilderGBA/Set_the_background_using_the_reduction_color_tool_EN

Last-modified: 2017-12-02 (土) 05:06:38 (10d)

In this section, we will explain how to insert a background using the color reduction tool considering TSA installed in FEBuilderGBA.

https://i.imgur.com/oQGFKE2.jpg

What is color reduction considering TSA?

[#s39cd0c2]

Original image miso ramen (CC 0 from wikiepdia)
https://i.imgur.com/8Hs6wOb.jpg


16 color reduction color
https://i.imgur.com/wNsrUez.png


Reduced color considering TSA with FEBuilderGBA
https://i.imgur.com/nqgzmKO.png


With color reduction considering TSA, you can see that green on green onion has come out properly.
The background of FE can deliver up to 8 palettes * 15 colors, but to do it, TSA has to be considered and it was hard to make it manually.
Therefore, we did not care about TSA, we reduced color to 16 colors and used it.
Therefore, we did not care about TSA, we reduced color to 16 colors and used it.
However, since FEBuilderGBA has a color reduction function that takes TSA into account, it is possible to increase the number of colors more.

Setting method.

StepA1

From the menu "Tools" -> "Color Reduction Tool".

https://i.imgur.com/Z67P7dl.jpg

StepA2

The color reduction tool will be displayed.

https://i.imgur.com/BJPm8DY.jpg

StepA3

Sets the original file and the save destination of the converted image.
https://i.imgur.com/vuCj783.jpg

StepA4

Click the start button.
Color reduction processing is started.
https://i.imgur.com/x8xZZe5.jpg

StepA5

Let's see the completed image at the edge.
The pallet is allocated properly.
https://i.imgur.com/4FmQtKx.jpg

StepA6

Let's just set this image to BG.
Please press "Image setting".
https://i.imgur.com/Tmv5XFf.jpg

StepA7

Please select "Background".
https://i.imgur.com/OrgiN87.jpg

StepA8

Since the background screen appears ...
https://i.imgur.com/SN90Uba.jpg

StepA9

Please select the background of the prologue.
With FE8J, ID:0x25.
(Please be aware that ID is different for FE8U.)

https://i.imgur.com/S1kuArH.jpg

StepA10

Please press the "image reading" button and select the reduced color image.

https://i.imgur.com/Kl1X5JP.jpg

StepA11

The image is loaded.
https://i.imgur.com/fpKCkUr.jpg

StepA12

Please start the game.
Two people talking in front of ramen should come out.

https://i.imgur.com/oQGFKE2.jpg

Weak point.

Currently, FEBuilderGBA is decreasing color using the K-means method, but this algorithm is vulnerable to gradation.

Pyramid original image.
https://i.imgur.com/Pdhdh2a.jpg


16 color reduction color.
https://i.imgur.com/k35ML0f.jpg


Reduced color considering TSA with FEBuilderGBA
https://i.imgur.com/rpE6AGN.png

Unfortunately, the boundary of the gradation did not come out neatly.
In this case, you can either correct it by yourself, based on the image of FEBuilderGBA, or give up with 16 colors subtractive color.