Method SetArenaBasePtr

KBotExt/imgui/imgui_internal.h:637–637

	inline void  Reserve(int n, size_t sz, int a = 4) { IM_ASSERT(n == CurrIdx && n < CHUNKS); CurrOff = IM_MEMALIGN(CurrOff, a); Offsets[n] = CurrOff; Sizes[n] = (int)sz; CurrIdx++; CurrOff += (int)sz; }
	inline int   GetArenaSizeInBytes() { return CurrOff; }
	inline void  SetArenaBasePtr(void* base_ptr) { BasePtr = (char*)base_ptr; }
	inline void* GetSpanPtrBegin(int n) { IM_ASSERT(n >= 0 && n < CHUNKS && CurrIdx == CHUNKS); return (void*)(BasePtr + Offsets[n]); }
	inline void* GetSpanPtrEnd(int n) { IM_ASSERT(n >= 0 && n < CHUNKS && CurrIdx == CHUNKS); return (void*)(BasePtr + Offsets[n] + Sizes[n]); }
	template<typename T>