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Add ConsumeEntityEvent to Blackholio C++ and C# modules #4675

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Merged
rekhoff merged 1 commit into from
Mar 20, 2026
Merged

Add ConsumeEntityEvent to Blackholio C++ and C# modules #4675

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13 changes: 13 additions & 0 deletions demo/Blackholio/server-cpp/spacetimedb/src/lib.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -177,6 +177,13 @@ SPACETIMEDB_TABLE(CircleRecombineTimer, circle_recombine_timer, Private)
FIELD_PrimaryKeyAutoInc(circle_recombine_timer, scheduled_id)
SPACETIMEDB_SCHEDULE(circle_recombine_timer, 1, circle_recombine)

struct ConsumeEntityEvent {
int32_t consumed_entity_id;
int32_t consumer_entity_id;
};
SPACETIMEDB_STRUCT(ConsumeEntityEvent, consumed_entity_id, consumer_entity_id)
SPACETIMEDB_TABLE(ConsumeEntityEvent, consume_entity_event, Public, true)

struct ConsumeEntityTimer {
uint64_t scheduled_id;
ScheduleAt scheduled_at;
Expand Down Expand Up @@ -594,6 +601,12 @@ SPACETIMEDB_REDUCER(consume_entity, ReducerContext ctx, ConsumeEntityTimer reque
Entity consumed_entity = consumed_opt.value();
Entity consumer_entity = consumer_opt.value();
consumer_entity.mass += consumed_entity.mass;

ConsumeEntityEvent consume_event{
consumed_entity.entity_id,
consumer_entity.entity_id
};
ctx.db[consume_entity_event].insert(consume_event);

auto destroy_result = destroy_entity(ctx, consumed_entity.entity_id);
if (destroy_result.is_err()) {
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13 changes: 13 additions & 0 deletions demo/Blackholio/server-csharp/Lib.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,13 @@ public partial struct CircleRecombineTimer
public ScheduleAt scheduled_at;
public int player_id;
}

[Table(Accessor = "consume_entity_event", Public = true, Event = true)]
public partial struct ConsumeEntityEvent
{
public int consumed_entity_id;
public int consumer_entity_id;
}

[Table(Accessor = "consume_entity_timer", Scheduled = nameof(ConsumeEntity), ScheduledAt = nameof(scheduled_at))]
public partial struct ConsumeEntityTimer
Expand Down Expand Up @@ -433,6 +440,12 @@ public static void ConsumeEntity(ReducerContext ctx, ConsumeEntityTimer request)
{
var consumed_entity = ctx.Db.entity.entity_id.Find(request.consumed_entity_id) ?? throw new Exception("Consumed entity doesn't exist");
var consumer_entity = ctx.Db.entity.entity_id.Find(request.consumer_entity_id) ?? throw new Exception("Consumer entity doesn't exist");

ctx.Db.consume_entity_event.Insert(new ConsumeEntityEvent
{
consumed_entity_id = consumed_entity.entity_id,
consumer_entity_id = consumer_entity.entity_id
});

consumer_entity.mass += consumed_entity.mass;
DestroyEntity(ctx, consumed_entity.entity_id);
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