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Decompile Game_16 #167

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Merged
AetiasHax merged 7 commits into from
May 23, 2026
Merged

Decompile Game_16 #167

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29be6ff
Game_16 OK
0Aurel May 16, 2026
a7c25e1
Remove unnecessary FadeControl constructor definition
0Aurel May 16, 2026
d5f871b
Define HW_RESET_PARAMETER_BUF macro to replace hardcoded address
0Aurel May 16, 2026
e9dfab1
Refactor Game constructor to use proper C++ initialization
0Aurel May 16, 2026
98b4935
Fix Game constructor and FadeControl initialization
0Aurel May 16, 2026
4e1f4a3
Remove explicit call to mangled constructor symbol
0Aurel May 16, 2026
5b73154
Update symbols.txt for func_0202cf44 signature change
0Aurel May 17, 2026
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2 changes: 1 addition & 1 deletion config/eur/arm9/symbols.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -1384,7 +1384,7 @@ _ZN4Game13func_0202c97cEv kind:function(thumb,size=0x24) addr:0x0202c97c
_ZN4Game3RunEv kind:function(arm,size=0x528) addr:0x0202c9a0
_ZN4Game13func_0202cec8Eib kind:function(thumb,size=0x6c) addr:0x0202cec8
_ZN4Game13func_0202cf34Ev kind:function(thumb,size=0x10) addr:0x0202cf34
_ZN4Game13func_0202cf44Ev kind:function(arm,size=0x170) addr:0x0202cf44
_ZN4Game13func_0202cf44EPS_ kind:function(arm,size=0x170) addr:0x0202cf44
_ZN4GameD1Ev kind:function(arm,size=0x18) addr:0x0202d0b4
func_0202d0cc kind:function(thumb,size=0x3a) addr:0x0202d0cc
func_0202d108 kind:function(thumb,size=0x38) addr:0x0202d108
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2 changes: 1 addition & 1 deletion config/usa/arm9/symbols.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -1384,7 +1384,7 @@ _ZN4Game13func_0202c97cEv kind:function(thumb,size=0x24) addr:0x0202c964
_ZN4Game3RunEv kind:function(arm,size=0x528) addr:0x0202c988
_ZN4Game13func_0202cec8Eib kind:function(thumb,size=0x6c) addr:0x0202ceb0
_ZN4Game13func_0202cf34Ev kind:function(thumb,size=0x10) addr:0x0202cf1c
_ZN4Game13func_0202cf44Ev kind:function(arm,size=0x170) addr:0x0202cf2c
_ZN4Game13func_0202cf44EPS_ kind:function(arm,size=0x170) addr:0x0202cf2c
_ZN4GameD1Ev kind:function(arm,size=0x18) addr:0x0202d09c
func_0202d0cc kind:function(thumb,size=0x3a) addr:0x0202d0b4
func_0202d108 kind:function(thumb,size=0x38) addr:0x0202d0f0
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25 changes: 22 additions & 3 deletions include/Game/Game.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@
#include "Render/FadeControl.hpp"
#include "System/OverlayManager.hpp"

class Game;
typedef void (*UnkCallback)(Game *);

typedef GameMode *(*GameModeCreateFunc)(GameModeId modeId);

struct GameModeData {
Expand All @@ -24,13 +27,29 @@ struct GameModeData {
};
extern const GameModeData gGameModes[];

extern "C" void func_ov016_0211fab8(void *, void (*)(), void *, unk32);

class Game_0c {
public:
/* 00 */ PAD(0x00, 0xC0);

Game_0c(UnkCallback callback, void *param2, u32 param3) {
func_ov016_0211fab8(this, (void (*)()) callback, param2, param3);
}
};

class FadeControl_Derived1 : public FadeControl {
public:
FadeControl_Derived1() {}
};

class Game {
public:
/* 000 */ GameModeId mModeId;
/* 004 */ GameModeId mPrevModeId;
/* 008 */ GameMode *mMode;
/* 00c */ unk8 mUnk_00c[0xc0];
/* 0cc */ FadeControl mFadeControl;
/* 00c */ Game_0c mUnk_00c;
/* 0cc */ FadeControl_Derived1 mFadeControl;
/* 0f0 */ u16 mUnk_0f0;
/* 0f2 */ vu16 mUnk_0f2;
/* 0f4 */ s32 mUnk_0f4;
Expand All @@ -55,7 +74,7 @@ class Game {
void Run();
bool func_0202cec8(s32 param1, bool param2);
void func_0202cf34();
void func_0202cf44();
static void func_0202cf44(Game *game);
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0Aurel marked this conversation as resolved.

void func_ov016_0211fd68();
};
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19 changes: 19 additions & 0 deletions libs/nds/include/nds/system.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
#ifndef _NDS_SYSTEM_H
#define _NDS_SYSTEM_H

#include "types.h"

#ifdef __cplusplus
extern "C" {
#endif

// Reset Parameter Buffer (BIOS reset information)
// Not documented on gbatek, located at 0x027ffc20
// Contains reset state information - value 2 indicates specific reset condition
#define HW_RESET_PARAMETER_BUF (*(s32 *) 0x027ffc20)
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#ifdef __cplusplus
}
#endif

#endif
41 changes: 39 additions & 2 deletions src/16_Startup/Game/Game_16.cpp
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Original file line number Diff line number Diff line change
@@ -1,4 +1,41 @@
#include "Game/Game.hpp"

Game::Game() {}
void Game::func_ov016_0211fd68() {}
#include <nds/system.h>

#include "GameStart/GameStart.hpp"
#include "Render/FadeController.hpp"
#include "System/OverlayManager.hpp"

extern "C" void func_0200d938(void *);

ARM Game::Game() :
mModeId(1),
mPrevModeId(1),
mMode(NULL),
mUnk_00c(Game::func_0202cf44, this, 0),
mFadeControl() {
mUnk_0f0 = 0;
mUnk_0f2 = 1;
mUnk_0f4 = 0;
mUnk_0f8 = 0;
mUnk_0fc = 0;
mUnk_0fe = 0;
mUnk_100 = false;
mUnk_101 = 0;
mUnk_102 = false;
mUnk_103 = 0;
}

ARM void Game::func_ov016_0211fd68() {
mFadeControl.Register();
mFadeControl.mUnk_20 = false;
gFadeController.func_0202d77c(&mFadeControl);
if (HW_RESET_PARAMETER_BUF == 2) {
gOverlayManager.LoadGameMode(1);
GameStart::func_ov008_02112e88();
gOverlayManager.UnloadGameMode();
mPrevModeId = 4;
mModeId = 3;
}
func_0200d938(mUnk_00c.pad_0x00);
}
26 changes: 13 additions & 13 deletions src/Main/Game/Game.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -467,38 +467,38 @@ THUMB void Game::func_0202cf34() {
}

extern "C" void func_02017cd0();
ARM void Game::func_0202cf44() {
ARM void Game::func_0202cf44(Game *game) {
while (true) {
if (mUnk_100) {
mUnk_0f4 += 1;
if (game->mUnk_100) {
game->mUnk_0f4 += 1;
while (REG_GFX_RAM_COUNT_2 != 0) {
}
func_02005778();
func_02017cd0();
if (mUnk_0fc != mUnk_0fe) {
this->func_0202c678();
if (game->mUnk_0fc != game->mUnk_0fe) {
game->func_0202c678();
}
if (data_027e080c.func_0202eef8()) {
data_027e08f8.mUnk_1 = true;
} else {
data_027e0c54.func_02036240(&mUnk_0f0);
data_027e0c38.func_02033d84(&mUnk_0f0);
mMode->vfunc_0c(&mUnk_0f0);
gMessageManager.func_02036c50(&mUnk_0f0);
data_027e0c54.func_02036240(&game->mUnk_0f0);
data_027e0c38.func_02033d84(&game->mUnk_0f0);
game->mMode->vfunc_0c(&game->mUnk_0f0);
gMessageManager.func_02036c50(&game->mUnk_0f0);
if ((s32) (data_027e080c.mUnk_04 == 3 || data_027e080c.mUnk_08 == 3) == 0) {
gFadeController.SetScreenBrightness(mUnk_103);
gFadeController.SetScreenBrightness(game->mUnk_103);
}
data_027e0cbc.func_0203d67c(&mUnk_0f0);
data_027e0cbc.func_0203d67c(&game->mUnk_0f0);
if (gOverlayManager.mLoadedOverlays[0] != OverlayId_None) {
data_027e0db0.func_ov000_0207b43c();
}
if (mModeId == 2) {
if (game->mModeId == 2) {
data_027e077c.func_ov009_0211653c();
}
data_02068894.func_0203235c();
data_02075dac.func_0203f974();
}
mUnk_100 = false;
game->mUnk_100 = false;
}
data_027e08e4.func_0202f2ac();
}
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