Decompile Door Map Objects (`DRDS`, `DRCK`, `DRKY`, `DRSW`, `DRTC`) by Yanis002 · Pull Request #56 · zeldaret/st

Yanis002 · 2026-04-19T02:39:35Z

figuring out the first one was fun, more to come!

decomp-dev · 2026-04-19T02:40:41Z

Report for eur (`4a07ec0` - `9db5a0c`)

📈 Matched code: 3.80% (+0.20%, +9228 bytes)
📈 Linked code: 0.51% (+0.02%, +988 bytes)
📈 Matched data: 23.26% (+0.05%, +744 bytes)
📈 Linked data: 0.32% (+0.02%, +240 bytes)

✅ 74 new matches

Unit	Item	Bytes	Before	After
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_5C(int, int)`	+1432	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_08()`	+1024	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_5C(int, int)`	+1012	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_84(int, Vec3p, short)`	+628	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::func_ov031_020fcb78(char*, char)`	+384	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_04()`	+372	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_6C()`	+344	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::func_ov031_020fbf10(bool, bool)`	+324	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_84(int, Vec3p, short)`	+284	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_60()`	+252	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdec8()`	+247	0.65%	100.00%
`src/000_Second/MapObject/MapObjectSwitchStep`	`MapObjectSwitchStep::vfunc_18(char*, char)`	+216	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`UnkStruct_ov031_02117210::UnkStruct_ov031_02117210()`	+216	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`.data`	+212	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::MapObjectDoorBase()`	+204	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_64()`	+188	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`.data`	+180	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_68()`	+172	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::MapObjectUnkDRDS()`	+157	16.74%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe5fc(Vec3p, MapObjectUnkDRDS)`	+156	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc2_10()`	+132	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_14()`	+128	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_70()`	+128	0.00%	100.00%
`src/001_SceneInit/Actor/ActorManager_001`	`ActorManager::func_ov001_020bb6b0(UnkStruct_SceneChange1*)`	+120	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`.bss`	+120	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc2_08()`	+112	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_0C()`	+100	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_00()`	+80	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`.bss`	+76	66.67%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_44()`	+68	0.00%	100.00%

...and 44 more new matches

🥀 3 broken matches

Unit	Item	Bytes	Before	After
`src/000_Second/MapObject/MapObjectSwitchStep`	`MapObjectSwitchStep::vfunc_18()`	-216	100.00%	0.00%
`src/001_SceneInit/Actor/ActorManager_001`	`ActorManager::func_ov001_020bb6b0(int*)`	-120	100.00%	0.00%
`src/ITCM/ITCM_MapObjectManager`	`MapObjectManager::func_01fff520(UnkStruct_ov000_020b34c4, MapObject*)`	-5	100.00%	95.80%

📈 8 improvements in unmatched items

Unit	Item	Bytes	Before	After
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_08()`	+867	0.00%	98.14%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_74()`	+310	0.00%	89.10%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc2_08()`	+174	0.00%	69.11%
`src/000_Second/MapObject/MapObject`	`MapObject::func_ov000_0209d54c(void, MapObject, int, Vec3p*, int, int)`	+78	0.00%	63.26%
`src/031_Land/Actor/ActorUnkNFSP`	`.bss`	+14	40.00%	66.67%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`.init`	+10	77.24%	87.20%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`__sinit_MapObjectUnkDRDS.cpp`	+10	77.24%	87.20%
`src/112_PlayerSceneChange/PlayerSceneChange`	`PlayerSceneChange::vfunc_0c(UnkStruct_PlayerGet_vfunc_0c_param1*)`	+1	75.30%	75.34%

📉 24 regressions in unmatched items

Unit	Item	Bytes	Before	After
`src/000_Second/MapObject/MapObject`	`MapObject::func_ov000_0209d54c(int, unsigned short, Vec3p*, short, unsigned short)`	-62	50.52%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd3f8()`	-3	31.67%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdfc0()`	-3	31.67%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe250()`	-3	9.50%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe2bc()`	-3	8.64%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd234()`	-1	2.00%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd284()`	-1	0.43%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd404()`	-1	1.43%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd474()`	-1	0.18%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd7e8()`	-1	3.64%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd814()`	-1	0.16%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdc08()`	-1	0.85%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdcc4()`	-1	0.93%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdd70()`	-1	0.47%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdfcc()`	-1	1.25%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe04c()`	-1	1.21%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe0d0()`	-1	0.46%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe22c()`	-1	4.44%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe278()`	-1	2.35%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe2e8()`	-1	2.35%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe32c()`	-1	4.44%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe350()`	-1	2.86%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe388()`	-1	0.25%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe5fc()`	-1	1.03%	0.00%

Report for jp (`4a07ec0` - `9db5a0c`)

📈 Matched code: 3.76% (+0.19%, +8856 bytes)
📈 Linked code: 0.40% (+0.02%, +988 bytes)
📈 Matched data: 23.27% (+0.05%, +744 bytes)
📈 Linked data: 0.30% (+0.02%, +240 bytes)

✅ 73 new matches

Unit	Item	Bytes	Before	After
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_5C(int, int)`	+1432	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_08()`	+1024	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_5C(int, int)`	+1012	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_84(int, Vec3p, short)`	+628	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::func_ov031_020fcb78(char*, char)`	+384	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_6C()`	+344	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::func_ov031_020fbf10(bool, bool)`	+324	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_84(int, Vec3p, short)`	+284	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_60()`	+252	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdec8()`	+247	0.65%	100.00%
`src/000_Second/MapObject/MapObjectSwitchStep`	`MapObjectSwitchStep::vfunc_18(char*, char)`	+216	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`UnkStruct_ov031_02117210::UnkStruct_ov031_02117210()`	+216	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`.data`	+212	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::MapObjectDoorBase()`	+204	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_64()`	+188	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`.data`	+180	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_68()`	+172	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::MapObjectUnkDRDS()`	+157	16.74%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe5fc(Vec3p, MapObjectUnkDRDS)`	+156	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc2_10()`	+132	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_14()`	+128	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_70()`	+128	0.00%	100.00%
`src/001_SceneInit/Actor/ActorManager_001`	`ActorManager::func_ov001_020bb6b0(UnkStruct_SceneChange1*)`	+120	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`.bss`	+120	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc2_08()`	+112	0.00%	100.00%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc_0C()`	+100	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_00()`	+80	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`.bss`	+76	66.67%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_44()`	+68	0.00%	100.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_4C()`	+68	0.00%	100.00%

...and 43 more new matches

🥀 3 broken matches

Unit	Item	Bytes	Before	After
`src/000_Second/MapObject/MapObjectSwitchStep`	`MapObjectSwitchStep::vfunc_18()`	-216	100.00%	0.00%
`src/001_SceneInit/Actor/ActorManager_001`	`ActorManager::func_ov001_020bb6b0(int*)`	-120	100.00%	0.00%
`src/ITCM/ITCM_MapObjectManager`	`MapObjectManager::func_01fff520(UnkStruct_ov000_020b34c4, MapObject*)`	-5	100.00%	95.80%

📈 9 improvements in unmatched items

Unit	Item	Bytes	Before	After
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_08()`	+867	0.00%	98.14%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_04()`	+467	0.00%	99.83%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::vfunc_74()`	+310	0.00%	89.10%
`src/031_Land/MapObject/MapObjectDoorBase`	`MapObjectDoorBase::vfunc2_08()`	+174	0.00%	69.11%
`src/000_Second/MapObject/MapObject`	`MapObject::func_ov000_0209d54c(void, MapObject, int, Vec3p*, int, int)`	+78	0.00%	63.26%
`src/031_Land/Actor/ActorUnkNFSP`	`.bss`	+14	40.00%	66.67%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`.init`	+10	77.24%	87.20%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`__sinit_MapObjectUnkDRDS.cpp`	+10	77.24%	87.20%
`src/112_PlayerSceneChange/PlayerSceneChange`	`PlayerSceneChange::vfunc_0c(UnkStruct_PlayerGet_vfunc_0c_param1*)`	+1	75.30%	75.34%

📉 24 regressions in unmatched items

Unit	Item	Bytes	Before	After
`src/000_Second/MapObject/MapObject`	`MapObject::func_ov000_0209d54c(int, unsigned short, Vec3p*, short, unsigned short)`	-62	50.52%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd3f8()`	-3	31.67%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdfc0()`	-3	31.67%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe250()`	-3	9.50%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe2bc()`	-3	8.64%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd234()`	-1	2.00%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd284()`	-1	0.34%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd404()`	-1	1.43%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd474()`	-1	0.18%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd7e8()`	-1	3.64%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fd814()`	-1	0.16%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdc08()`	-1	0.85%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdcc4()`	-1	0.93%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdd70()`	-1	0.47%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fdfcc()`	-1	1.25%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe04c()`	-1	1.21%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe0d0()`	-1	0.46%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe22c()`	-1	4.44%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe278()`	-1	2.35%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe2e8()`	-1	2.35%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe32c()`	-1	4.44%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe350()`	-1	2.86%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe388()`	-1	0.25%	0.00%
`src/031_Land/MapObject/MapObjectUnkDRDS`	`MapObjectUnkDRDS::func_ov031_020fe5fc()`	-1	1.03%	0.00%

Yanis002 added 5 commits April 17, 2026 02:42

random docs

1604652

"match" ctor

84d4bf9

match ctor and link miniblocks

8c87d25

DRDS 98%

7a5bb91

jp differences

22ab1ac

Yanis002 added 4 commits April 19, 2026 15:33

improve MapObjectUnkDRDS::vfunc_04

e415434

MapObjectDoorBase 78%

38e8502

fix regressions

3140a6f

MapObjectDoorBase 98%

9db5a0c

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Decompile Door Map Objects (`DRDS`, `DRCK`, `DRKY`, `DRSW`, `DRTC`)#56

Decompile Door Map Objects (`DRDS`, `DRCK`, `DRKY`, `DRSW`, `DRTC`)#56
Yanis002 wants to merge 9 commits intozeldaret:mainfrom
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