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find-CCSCustomHudLayout_SetHasClass

Locate CCSCustomHudLayout_SetHasClass in CS2 server.dll / libserver.so via IDA Pro MCP and emit a fresh, minimal-unique signature or offset for the local gamedata entry "CCSCustomHudLayout_SetHasClass" (symbol CCSCustomHudLayout_SetHasClass). The gamedata consumer stores a BYTE SIGNATURE for this entry - ALWAYS emit the func schema (func_sig), never vfunc fields. The function may be virtual; locating it via the owning class vtable (RTTI) is a fine strategy, but once found, read its head bytes and emit func_sig. Locate via cross-references, distinctive constants/strings, callers of related symbols, or vtable slots; verify by decompilation before committing. Trigger: CCSCustomHudLayout_SetHasClass, CCSCustomHudLayout_SetHasClass

The English summary is being prepared. Showing the original description.

mrc4tt/CS2_VibeSignatures
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Files included (1)

  • SKILL.md3.1 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

Find CCSCustomHudLayout_SetHasClass

Target: CCSCustomHudLayout_SetHasClass (func) in the CS2 server module.

Do NOT anchor on raw byte patterns from older releases - they shift. Use anchors only to locate the function, then generate a fresh minimal-unique function-head signature with relocated bytes wildcarded. Produce ONLY the output file(s) listed in this skill's expected outputs, for the binary loaded in THIS session (one platform per run). NEVER open or analyze the other platform's binary.

Method

The gamedata consumer stores a BYTE SIGNATURE for this entry - ALWAYS emit the func schema (func_sig), never vfunc fields. The function may be virtual; locating it via the owning class vtable (RTTI) is a fine strategy, but once found, read its head bytes and emit func_sig. Locate via cross-references, distinctive constants/strings, callers of related symbols, or vtable slots; verify by decompilation before committing.

Mandatory self-check before emitting

The pipeline re-reads the bytes at your func_va and deterministically regenerates func_sig from them - if your func_sig does not match those bytes EXACTLY (with ?? matching anything), the run aborts. Therefore:

  1. After picking the function, read the actual bytes at func_va via the IDA MCP.
  2. Derive func_sig FROM those bytes: keep stable opcode bytes literally, wildcard relocated or variable operands as ??.
  3. func_sig MUST start at func_va (the true function head).
  4. Only then write the YAML. A mismatch is always a bug in YOUR output, never in the pipeline.

Output schema (STRICT)

Write the YAML file <symbol>.{platform}.yaml with EXACTLY these fields:

func_name: <SYMBOL_NAME>
func_va: "<hex virtual address>"
func_rva: "<hex rva>"
func_size: "<hex size>"
func_sig: "<byte pattern, ?? wildcards, function head, minimal-unique>"

NEVER include vfunc_index, vfunc_offset, vfunc_sig or vtable_name.

Verification

  1. Decompile the candidate and confirm the behavior matches the purpose above (not a caller or callee).
  2. Confirm uniqueness: the generated pattern must match exactly one location in the loaded binary.
  3. If a candidate cannot be confirmed, report the shortlist instead of guessing - a skipped symbol is safer than a wrong signature.

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