Paper Mario: The Thousand-Year Door

Paper Mario: The Thousand-Year Door, released in Japan as Paper Mario RPG, is a console role-playing game developed by Intelligent Systems and published by Nintendo for the Nintendo GameCube. The Thousand-Year Door is the fourth Mario RPG and the second in the Paper Mario series.

Bounding Box Slowdown on NVIDIA Cards
NVIDIA cards are abnormally slow during bounding box effects even at very low internal resolutions when using D3D11. They get dramatically slower as the internal resolutions increase, even though comparable AMD graphics cards suffer no slowdown at all. This is due to Dolphin hitting a slow path on those graphics cards. It is recommended that NVIDIA users use the OpenGL backend when playing titles that require Bounding Box emulation to avoid that.

When Using Older Graphics Cards
NVIDIA GeForce 400 series and newer, AMD/ATI Radeon HD 5000 series and newer, and Broadwell integrated GPUs (Intel HD Graphics 5300+) have the full suite of OpenGL and D3D features Dolphin needs for Bounding Box - a feature this game uses for many of its effects. Older GPUs (as well as all GPUs on MacOS) lack these features, however in a workaround was added to the OpenGL backend. If you are using an older GPU on non-macOS computers, use OpenGL to avoid glitches and broken effects.

Riverside Station Sunset Effect
The sunset effect in Riverside Station has a defect where non-static objects in front of it have a trail of ghosts coming off. This is not a bug in Dolphin, but a defect inherent to the way the effect is achieved, as it appears on console too. The defect is very hard to see on console (it's right above the rock in the image below) due to the low resolution and analog quality loss, but the higher internal resolution and custom HD textures allowed by Dolphin make it very obvious.

Problems
{{Problems|{{#vardefineecho:problems|

Yoshi's Gulp
Using Yoshi's Gulp ability results in the progress bar flashing fully lit briefly, disappearing, and then the attack fails; regardless of how long the R trigger is held. Using the LLE audio back-end will resolve this issue.

Merluvee Next Path
When using the D3D backend, asking Merluvee to tell you the next path may freeze the game. This does not occur on OpenGL or Vulkan, so use them to avoid this issue.

PAL60 Reverting to 50Hz
If the PAL version of the game has been set to run at 60 Hz, it may change back to 50Hz under some circumstances. Turn off the dual core setting to avoid this issue.

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HD Texture Pack
There is a work-in-progress high definition texture modification for The Thousand Year Door on the Dolphin forums.

16:9 Aspect Ratio Fix
The built-in Widescreen Hack causes clipping issues. The following codes work as a replacement, causing fewer issues. To avoid conflicts, make sure that Widescreen Hack is disabled while using these codes.

AR Code Fix
This code does not speed up the game in the Shhwonk Fortress. NTSC-J: 044195F8 3FE38E39

NTSC-U: 0441F6D8 3FE38E39

PAL: 0442C158 3FE38E39

Centered HUD
NTSC-J: C202ECEC 00000003 3DC08042 3DE03FD8 91EE95F8 4E800020 60000000 00000000 C200F354 00000003 3DE08081 3DC0402B 61CE12A2 91CF65BC 387D015C 00000000 C200F35C 00000003 3DE08081 3DC04063 61CEE8D3 91CF65BC 7FC3F378 00000000 04193838 4E800020

NTSC-U: C202F310 00000003 3DC08042 3DE03FD8 91EEF6D8 4E800020 60000000 00000000 C200F500 00000003 3DE08082 3DC0402B 61CE12A2 91CFA1BC 387D015C 00000000 C200F508 00000003 3DE08082 3DC04063 61CEE8D3 91CFA1BC 7FC3F378 00000000 04199598 4E800020

PAL: C202F3F8 00000003 3DC08043 3DE03FD8 91EEC158 4E800020 60000000 00000000 C200F6C4 00000003 3DE08086 3DC0402B 61CE12A2 91CFB0DC 387D015C 00000000 C200F6CC 00000003 3DE08086 3DC04063 61CEE8D3 91CFB0DC 7FC3F378 00000000 0419B274 4E800020

Stretched HUD
This code also speeds up the emulator in the Shhwonk Fortress. NTSC-J: C202ECEC 00000003 3DC08042 3DE03FD8 91EE95F8 4E800020 60000000 00000000 04193838 4E800020

NTSC-U: C202F310 00000003 3DC08042 3DE03FD8 91EEF6D8 4E800020 60000000 00000000 04199598 4E800020

PAL: C202F3F8 00000003 3DC08043 3DE03FD8 91EEC158 4E800020 60000000 00000000 0419B274 4E800020

Centered HUD, some letterboxing
This code also speeds up the emulator in the Shhwonk Fortress. NTSC-J: 04193838 4E800020 044195F8 3FE38E39

NTSC-U: 04199598 4E800020 0441F6D8 3FE38E39

PAL: 0419B274 4E800020 0442C158 3FE38E39