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sco-core SDK

sc_spawn_service_v1.class_exists

1 if entity_class is a spawnable class on this game build, else 0.

Signature

Section titled “Signature”
int (*)(const char *)

Service and availability

Section titled “Service and availability”

Service index

Property Value
Symbol sc_spawn_service_v1.class_exists
Record ID sc-spawn-service-v1-class-exists
Service spawn.entities
Table sc_spawn_service_v1
Version macro SC_SPAWN_SERVICE_VERSION
Packed table version 65538
Since / availability size >= 24; 1.0
Complete member extent (x64 bytes) 24
Table size (x64 bytes) 64

Header source

Parameters and buffers

Section titled “Parameters and buffers”

int (*class_exists)(const char* entity_class);
1 if entity_class is a spawnable class on this game build, else 0.

Results and failures

Section titled “Results and failures”

Absent table: query_service NOT_FOUND; requires spawner rows (product gate spawn.ship). Wrong thread or missing readiness: 0 or borrowed reason string. Additional failures/output state unspecified unless described in the buffer contract.

Absent capability

Section titled “Absent capability”

Absent table: query_service NOT_FOUND Wrong thread or missing readiness: 0 or borrowed reason string.

Ownership

Section titled “Ownership”

IDs are session values, not pointers; caller outputs. No allocation transfer; internal allocation unspecified.

Thread affinity

Section titled “Thread affinity”

Game thread only; recursive reentrancy unspecified.

Callback context

Section titled “Callback context”

unspecified

Reentrancy

Section titled “Reentrancy”

unspecified

Cleanup and cancellation

Section titled “Cleanup and cancellation”

No cancellation entrypoint; asynchronous streaming is not cancelled by this table.

Language mappings

Section titled “Language mappings”

Status labels are copied verbatim from the catalogue: direct is native access; typed-wrapper is wrapper-backed; restricted is a subset/adaptation; unsupported means no supported route is established. No status implies universal safety.

Language Catalogue status Source evidence / wrapper tokens
c direct include/sc_spawn.h
(*class_exists)
cpp direct include/sc_spawn.h
(*class_exists)
csharp unsupported docs/sdk-csharp.md
The host-owned services each have a class.
docs/sdk-csharp.md
| Class | Service | Does |
lua unsupported sdk/docs/lua.md
The script sees only:
sdk/docs/lua.md
There is no io, os, package, require, debug, dofile, loadfile or FFI
plugins/lua/sco_lua_game.c
if (!(actors || vehicles || world || entities || creative)) return;

Examples

Section titled “Examples”

None identified in the catalogue; this is not proof none can exist.

Tests

Section titled “Tests”

ABI pins prove layout, not semantic behavior or a live game session.