OpenMaidEngine/docs/engine-ctx-reference.md

EngineCtx field reference

Generated from vm-map/engine-ctx.toml by tools/engine_ctx_build.py --build. Do not edit.

Struct EngineCtx, size 0xa1000. Applied to the Ghidra /v2 image (dispatch-handler this = EngineCtx *).

offset	name	type	note
0x408	gfx_obj_registry	int	gfx object registry (std::map handle->object); op 0x1a2 insert / 0x215 find
0x40c	sys4ini_count	int	SYS4INI record count
0x410	archive_name_table	void*	archive-name table base (arc_id*0x100 indexes it)
0x414	sys4ini_records	void*	SYS4INI 80-byte record base {name[64],arc_id,file_number,offset,size}; record = base + id*0x50
0x3028	alt_pack_table	int	call-script high-byte alternate pack table (unused by corpus)
0xb558	gfx_dirty_a	int	gfx dirty flag (anim set raises)
0xb560	gfx_dirty_b	int	gfx dirty flag
0x14d54	gfx_obj_ptr_table	void*	per-object pointer table (ops 0x212/0x213 write obj+0x64/0x68/0x6c)
0x14f45	script_frame_index	int	call-script frame index (0x1e-dword frames)
0x46d14	query_table_46d14	void*	stride-0x14 table read by op 0x216
0x51b64	frame_timer	int	frame timer (present updates 0x51b64/0x51b68)
0x51b78	anim_clock_elapsed	int	global anim clock elapsed (op 0x238 zeroes)
0x51b7c	anim_clock_duration	int	global anim clock total duration (op 0x238 sets)
0x52bd4	surfaces	void*	surface array base [~1000 slots]; create/set-texture (0x1f8/0x1f9) allocate
0x53d14	cur_ctx_index	uint	current gfx-object / script-context index (curCtx); indexes 0x78-byte records
0x53d28	frame_codebase	void*	current frame codebase (PC = codebase + off*4)
0x53d2c	frame_pc	int	current frame PC column (op = (0x53d2c + curCtx0x78))
0x53d60	ctx_record_base	void*	0x78-byte context-record array base (coroutine/script contexts)
0x53d64	gfx_obj_record_array	void*	gfx object-record array (field[0]=0xffffffff free; cmd-type at rec+0x24)
0x53d88	cmd_type_table	int	per-object cmd-type column base (write (0x53d88 + curCtx0x78))
0x55120	anti_tamper_a	int	anti-tamper checksum operand
0x55124	anti_tamper_b	int	anti-tamper checksum operand
0x5512c	anti_tamper_fp	int	anti-tamper (import fn ptr / result)
0x55248	ret_stack_a	void*	per-frame return stack (op 0x8f call pushes)
0x552e8	ret_stack_b	void*	per-frame return stack (companion)
0x5f304	sleep_timer	int	sleep timer object (op 0xc8; +8 active, +0x14 start-ms, +0x18 duration)
0x6da88	coroutine_yield_a	void*	op 0x7b yield-state save (op1 -> +ctxidx*4)
0x6db28	coroutine_yield_b	void*	op 0x7b yield-state save (op2 -> +ctxidx*4)
0x6dbc8	coroutine_runstate	int	op 0x7c resume gate (run-state bit 0x2000000)
0x6dbcc	coroutine_resume_off	int	op 0x7c resume PC offset
0x9b24c	dispatch_table	void*	opcode->handler table base [0x400]; handler(op) = (0x9b24c + op4)
0xa0cc0	screen_w	int	screen width (640)
0xa0cc4	screen_h	int	screen height (480)
0xa0cc8	screen_bpp	int	screen bpp (8)
0xa0ce4	run_state_flags	uint	interpreter run-state flags (bit1 sleeping; 0x8000000 skip/fast-forward)