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Hello everyone, I'm using L2J Mobius Classic 3.0 The Kamael (Protocol 228) and I need to edit the client's Skillgrp_Classic.dat file to enable auto-cast (right-click with green cycle icon) for buff skills with duration. Currently, skills like 1251 (Chant of Fury) don't have this feature and I want to add it.

image.png.553e4a7a8a7bab93e7fd7b0eccb2a484.png

 

Skills that already work with auto-cast:
- 78 (War Cry): operate_type=2, icon_panel=[icon.panel_white], reuse_delay=30.0
- 121 (Battle Roar): operate_type=2, icon_panel=[icon.panel_white], reuse_delay=150.0
- 1073 (Eva's Kiss): operate_type=2, icon_panel=[icon.panel_white], reuse_delay=30.0

 

Skills I want to enable auto-cast for:
- 1251 (Chant of Fury): operate_type=2, icon_panel=[None], reuse_delay=5.0

 

Example from Skillgrp_Classic.dat file:

skill 121 (works):
skill_begin skill_id=121 skill_level=1 operate_type=2 icon_panel=[icon.panel_white] reuse_delay=150.0 skill_end

skill 1251 (doesn't work):
skill_begin skill_id=1251 skill_level=1 operate_type=2 icon_panel=[None] reuse_delay=5.0 skill_end

 

SERVER operateTypes (most common from SkillOperateType.java):
- A1: Active Skill with Instant Effect (damage/heal)
- A2: Active Skill with Continuous effect (buff/debuff with duration)
- P: Passive Skill
- T: Toggle Skill

 

The issue: When I try to change icon_panel=[None] to icon_panel=[icon.panel_white] and repack, I always get:
"Unpacking [L2GameDataName.dat] GameDataName: Load 99996 count. Unpacked not full 2332844/2334763 diff: 1906 Completed."

 

Missing 1906 bytes and when I use the .dat in the client, ALL skills lose auto-cast functionality completely (even skills that had it before).

 

Tried structures: Grand Crusade - Classic Zaiken, Prelude of War Part 2 - Classic The Kamael, v121_original
Tried encryption: u413_encdec, v413_encdec, c413_encdec

 

Using: L2ClientDat Editor (L2JMobius Edition), Structure = "Prelude of War Part 2 - Classic The Kamael", Encrypt = "v413_encdec"

 

Any help would be greatly appreciated! Thanks!

---

Hola a todos, estoy usando L2J Mobius Classic 3.0 The Kamael (Protocol 228) y necesito editar el archivo Skillgrp_Classic.dat del cliente para habilitar auto-cast (click derecho con ícono verde de ciclo) en skills de buff con duración. Actualmente, skills como 1251 (Chant of Fury) no tienen esta función y quiero agregársela.

image.png.553e4a7a8a7bab93e7fd7b0eccb2a484.png

 

Skills que ya funcionan con auto-cast:


- 78 (War Cry): operate_type=2, icon_panel=[icon.panel_white], reuse_delay=30.0
- 121 (Battle Roar): operate_type=2, icon_panel=[icon.panel_white], reuse_delay=150.0
- 1073 (Eva's Kiss): operate_type=2, icon_panel=[icon.panel_white], reuse_delay=30.0

 

Skills a los que quiero habilitar auto-cast:
- 1251 (Chant of Fury): operate_type=2, icon_panel=[None], reuse_delay=5.0

 

Ejemplo del archivo Skillgrp_Classic.dat:

skill 121 (funciona):
skill_begin skill_id=121 skill_level=1 operate_type=2 icon_panel=[icon.panel_white] reuse_delay=150.0 skill_end

skill 1251 (no funciona):
skill_begin skill_id=1251 skill_level=1 operate_type=2 icon_panel=[None] reuse_delay=5.0 skill_end

operateTypes del SERVIDOR (más comunes de SkillOperateType.java):
- A1: Skill Activo con Efecto Instantáneo (daño/heal)
- A2: Skill Activo con efecto continuo (buff/debuff con duración)
- P: Skill Pasivo
- T: Skill Toggle

 

El problema: Cuando intento cambiar icon_panel=[None] a icon_panel=[icon.panel_white] y reempaquetar, siempre obtengo:
"Unpacking [L2GameDataName.dat] GameDataName: Load 99996 count. Unpacked not full 2332844/2334763 diff: 1906 Completed."

 

Faltan 1906 bytes y cuando uso el .dat en el cliente, TODOS los skills pierden la funcionalidad de auto-cast completamente (incluso los que antes la tenían).

 

Probé estructuras: Grand Crusade - Classic Zaiken, Prelude of War Part 2 - Classic The Kamael, v121_original
Probé encriptación: u413_encdec, v413_encdec, c413_encdec

 

Usando: L2ClientDat Editor (L2JMobius Edition), Structure = "Prelude of War Part 2 - Classic The Kamael", Encrypt = "v413_encdec"

 

¡Cualquier ayuda será muy apreciada! ¡Gracias!

 

Capturadepantalla2025-10-01043517.png.52b6f7d7c95c41ae59404d6d3b698df8.pngCapturadepantalla2025-10-01043527.png.b65de6daf48032d8f6a0fbd11925f28f.pngCapturadepantalla2025-10-01043545.png.7a718ba528950fbe57bd7f0aef158590.pngCapturadepantalla2025-10-01043556.png.06ab56b85a135cd4c69f00698724b67f.pngCapturadepantalla2025-10-01043605.png.e46e497b4af8439acd720f6eb31f9d11.png

 

 


 

 Hi again!
I spent like 8 hours looking for the problem  and thought, “I’ll ask for help”.
And an hour after deciding to post, I found the solution 
It was just that the structure was wrong.
I had to open it with Prelude of War Part 2 - Classic The Kamael, but I was using Grand Crusade - Classic Zaken.
When I opened it with Classic Zaiken, this section didn’t even appear:

🤣🤣🤣

Quote

skill_macro_begin
macro_skill_id=1251
automatic_use=1
skill_macro_end
 

 

Edited by ak4n1

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