dave/openttd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Tracerestrict: Programs maintain a list of signals referencing them

Browse Source
This commit is contained in:
Jonathan G Rennison
2022-06-11 22:15:19 +01:00
parent c06acd3c47
commit b37209c3af
3 changed files with 84 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
src/tracerestrict.h
View File

@@ -479,17 +479,43 @@ struct TraceRestrictProgram : TraceRestrictProgramPool::PoolItem<&_tracerestrict
uint32 refcount;
TraceRestrictProgramActionsUsedFlags actions_used_flags;
private:
struct ptr_buffer {
TraceRestrictRefId *buffer;
uint32 elem_capacity;
};
union refid_list_union {
TraceRestrictRefId inline_ref_ids[4];
ptr_buffer ptr_ref_ids;
// Actual construction/destruction done by struct TraceRestrictProgram
refid_list_union() {}
~refid_list_union() {}
};
refid_list_union ref_ids;
void ClearRefIds();
inline TraceRestrictRefId *GetRefIdsPtr() { return this->refcount <= 4 ? this->ref_ids.inline_ref_ids : this->ref_ids.ptr_ref_ids.buffer; };
public:
TraceRestrictProgram()
: refcount(0), actions_used_flags(static_cast<TraceRestrictProgramActionsUsedFlags>(0)) { }
~TraceRestrictProgram()
{
this->ClearRefIds();
}
void Execute(const Train *v, const TraceRestrictProgramInput &input, TraceRestrictProgramResult &out) const;
/**
* Increment ref count, only use when creating a mapping
*/
void IncrementRefCount() { refcount++; }
inline const TraceRestrictRefId *GetRefIdsPtr() const { return const_cast<TraceRestrictProgram *>(this)->GetRefIdsPtr(); }
void DecrementRefCount();
void IncrementRefCount(TraceRestrictRefId ref_id);
void DecrementRefCount(TraceRestrictRefId ref_id);
static CommandCost Validate(const std::vector<TraceRestrictItem> &items, TraceRestrictProgramActionsUsedFlags &actions_used_flags);