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-rwxr-xr-xsrc/titlescreen.c582
1 files changed, 580 insertions, 2 deletions
diff --git a/src/titlescreen.c b/src/titlescreen.c
index 9de231d..c3e51a1 100755
--- a/src/titlescreen.c
+++ b/src/titlescreen.c
@@ -3,6 +3,9 @@
#include "m4a.h"
#include "main.h"
+extern u8 gUnknown_03000000[];
+
+
extern StateFunc gTitlescreenStateFuncs[];
extern const u8 gTitlescreenBg_Gfx[];
extern const u16 gTitlescreenBg_Pals[];
@@ -12,14 +15,39 @@ extern const u8 gTitlescreenSpritesSavedGame_Gfx[];
extern const u8 gTitlescreenSpritesNoSavedGame_Gfx[];
extern const u8 gGBAButtonIcons_Pals[];
extern const u8 gOptionsSprites_Gfx[];
+extern const u8 *const gUnknown_086A975C[7];
+extern const u8 *const gUnknown_086A96F8[7];
+extern const s16 gUnknown_086A964C[];
+extern const s8 gUnknown_086A9662[];
+extern const s8 gUnknown_086A9666[6][2];
+extern const s8 gUnknown_086A9748[];
+extern const u8 *const gUnknown_086A9714[];
+extern const u8 *const gUnknown_086A9778[];
+extern const s8 gUnknown_086A9672[9][2];
+extern const u16 gUnknown_086A96A4[];
+extern const u16 gUnknown_086A96D4[];
+extern void sub_2B4(void);
extern void sub_438(void);
extern void sub_CBC(void);
+extern void sub_D10(void);
+extern void sub_FE04(void (*func)(void));
extern void sub_FD5C(void (*func)(void));
+extern void sub_10708(void*, void*, u16, s16);
extern void sub_11640(void);
extern void sub_52C44(void);
extern void sub_10AC0(void);
+extern void sub_1157C(void);
+extern void sub_1175C(void);
+extern void sub_11968(void);
+extern void sub_11B74(void);
+
+static void sub_114FC(void);
+
+// If the user doesn't press any buttons at the title screen,
+// it will transition to a demo gameplay experience.
+#define NUM_IDLE_FRAMES 1800
void TitlescreenMain(void)
@@ -63,8 +91,8 @@ void LoadTitlescreenGraphics(void)
if (autoDisplayMenu == 1)
{
gUnknown_202BE24 = 0;
- gUnknown_2002888.unk9 = 0;
- gUnknown_2002888.unkB = autoDisplayMenu;
+ gTitlescreen.unk9 = 0;
+ gTitlescreen.unkB = autoDisplayMenu;
gMain.subState = 3;
sub_CBC();
sub_FD5C(NULL);
@@ -78,3 +106,553 @@ void LoadTitlescreenGraphics(void)
m4aSongNumStart(1);
}
+
+void sub_10AC0(void)
+{
+ int i;
+
+ gTitlescreen.unk4 = 0;
+ gTitlescreen.unk2 = 0;
+ gTitlescreen.unk6 = 0;
+ gTitlescreen.unk8 = 0;
+ gTitlescreen.unk10 = 4;
+ gTitlescreen.unk9 = 1;
+ gTitlescreen.unk11 = 0;
+ gTitlescreen.unkA = 6;
+ gTitlescreen.unkC = 0;
+ gTitlescreen.unkE = 3;
+ gTitlescreen.unkB = 0;
+ gTitlescreen.unkD = 0;
+ gTitlescreen.unkF = 0;
+ gUnknown_0202C588 = 1;
+ gUnknown_020028A0 = 0;
+ gUnknown_020028A1 = 0;
+ gUnknown_020028A2 = 0;
+ gUnknown_020028A3 = 0;
+
+ if (gMain.unk40 == 1)
+ {
+ for (i = 0; i < 7; i++)
+ gUnknown_0202BE00[i] = gUnknown_086A975C[i];
+
+ gTitlescreen.menuCursorIndex = 1;
+ gTitlescreen.unk7 = 1;
+ }
+ else
+ {
+ for (i = 0; i < 7; i++)
+ gUnknown_0201C190[i] = gUnknown_086A96F8[i];
+
+ gTitlescreen.menuCursorIndex = 0;
+ gTitlescreen.unk7 = 0;
+ gMain.unkD = 0;
+ }
+
+ gTitlescreen.idleFramesCounter = 0;
+ gTitlescreen.idleFadeoutCounter = 1;
+ gUnknown_020028A4 = 0;
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ gUnknown_020028A5 = 1;
+ else
+ gUnknown_020028A5 = 0;
+
+ gUnknown_202BE24 = 0;
+}
+
+void sub_10BB8(void)
+{
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ {
+ if (!gUnknown_020028A5)
+ {
+ gUnknown_020028A4 = 1;
+ gTitlescreen.unk6 = 9;
+ gMain.subState = 11;
+ }
+ }
+ else
+ {
+ gUnknown_020028A5 = 0;
+ }
+
+ if (!gUnknown_020028A4)
+ {
+ gTitlescreen.unk4++;
+ if (gTitlescreen.unk4 >= gUnknown_086A9662[gTitlescreen.unk8])
+ {
+ gTitlescreen.unk4 = 0;
+ if (++gTitlescreen.unk8 > 3)
+ gTitlescreen.unk8 = 0;
+ }
+
+ if (gMain.heldKeys & KEYS_MASK)
+ gTitlescreen.idleFramesCounter = 0;
+
+ if (gMain.newKeys & (A_BUTTON | START_BUTTON))
+ {
+ m4aSongNumStart(0x65);
+ gTitlescreen.unk4 = 0;
+ gTitlescreen.unk2 = 0;
+ gMain.subState = 2;
+ }
+
+ sub_114FC();
+ sub_1157C();
+
+ gTitlescreen.idleFramesCounter++;
+ if (gTitlescreen.idleFramesCounter > NUM_IDLE_FRAMES)
+ {
+ if (gTitlescreen.idleFramesCounter % 10 == 0)
+ {
+ gTitlescreen.idleFadeoutCounter++;
+ m4aMPlayVolumeControl(&gMPlayInfo_02032EE0, 0xFFFF, 0x100 / gTitlescreen.idleFadeoutCounter);
+ }
+
+ if (gTitlescreen.idleFadeoutCounter > 9)
+ {
+ gTitlescreen.idleFramesCounter = 0;
+ gTitlescreen.unk6 = 7;
+ gMain.subState = 11;
+ }
+ }
+ }
+
+ sub_11640();
+}
+
+void sub_10CF0(void)
+{
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ {
+ gUnknown_020028A4 = 1;
+ gTitlescreen.unk6 = 9;
+ gMain.subState = 11;
+ }
+
+ if (!gUnknown_020028A4)
+ {
+ gTitlescreen.unk4++;
+ if (gTitlescreen.unk4 >= gUnknown_086A9666[gTitlescreen.unk2][1])
+ {
+ gTitlescreen.unk4 = 0;
+ gTitlescreen.unk8 = gUnknown_086A9666[gTitlescreen.unk2][0];
+ if (++gTitlescreen.unk2 > 5)
+ {
+ gTitlescreen.unk2 = 0;
+ gUnknown_202BE24 = 0;
+ gTitlescreen.unk9 = 0;
+ gTitlescreen.unkB = 1;
+ gMain.subState = 3;
+ }
+ }
+ }
+
+ sub_11640();
+}
+
+void sub_10D84(void)
+{
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ {
+ gUnknown_020028A4 = 1;
+ gTitlescreen.unk6 = 9;
+ gMain.subState = 10;
+ }
+
+ if (!gUnknown_020028A4)
+ {
+ if (gMain.newKeys & A_BUTTON)
+ {
+ m4aSongNumStart(0x65);
+ sub_11B74();
+ sub_2B4();
+ m4aMPlayAllStop();
+ sub_D10();
+ gMain.subState = 0;
+ }
+ else if (gMain.newKeys & B_BUTTON)
+ {
+ m4aSongNumStart(0x66);
+ gTitlescreen.unk11 = 0;
+ gMain.subState = 1;
+ }
+ }
+
+ sub_11640();
+}
+
+void sub_10E00(void)
+{
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ {
+ gUnknown_020028A4 = 1;
+ gTitlescreen.unk6 = 9;
+ gMain.subState = 11;
+ }
+
+ if (!gUnknown_020028A4)
+ {
+ if (!gTitlescreen.unk7)
+ {
+ gTitlescreen.unk4++;
+ if (gTitlescreen.unk4 >= gUnknown_086A9748[gTitlescreen.unk2])
+ {
+ gTitlescreen.unk4 = 0;
+ gUnknown_0201C190[6] = gUnknown_086A9714[gTitlescreen.unk2];
+ if (++gTitlescreen.unk2 > 11)
+ {
+ gTitlescreen.unk2 = 0;
+ gTitlescreen.unkD = 1;
+ gTitlescreen.unkF = 1;
+ gMain.subState = 4;
+ }
+ }
+
+ sub_1175C();
+ }
+ else
+ {
+ gTitlescreen.unk4++;
+ if (gTitlescreen.unk4 >= gUnknown_086A9748[gTitlescreen.unk2])
+ {
+ gTitlescreen.unk4 = 0;
+ gUnknown_0202BE00[6] = gUnknown_086A9778[gTitlescreen.unk2];
+ if (++gTitlescreen.unk2 > 11)
+ {
+ gTitlescreen.unk2 = 0;
+ gTitlescreen.unkD = 1;
+ gTitlescreen.unkF = 1;
+ gMain.subState = 5;
+ }
+ }
+
+ sub_11968();
+ }
+ }
+}
+
+void sub_10EF4(void)
+{
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ {
+ gUnknown_020028A4 = 1;
+ gTitlescreen.unk6 = 9;
+ gMain.subState = 10;
+ }
+
+ if (!gUnknown_020028A4)
+ {
+ gTitlescreen.unk4++;
+ if (gTitlescreen.unk4 >= gUnknown_086A9672[gTitlescreen.unk2][1])
+ {
+ gTitlescreen.unk4 = 0;
+ if (++gTitlescreen.unk2 > 6)
+ gTitlescreen.unk2 = 0;
+
+ gTitlescreen.unkC = gUnknown_086A9672[gTitlescreen.unk2][0];
+ gTitlescreen.unkE = gUnknown_086A9672[gTitlescreen.unk2][0] + 3;
+ }
+
+ if (gMain.newKeys & DPAD_UP)
+ {
+ m4aSongNumStart(0x67);
+ if (--gTitlescreen.menuCursorIndex < 0)
+ gTitlescreen.menuCursorIndex = 3;
+ }
+ else if (gMain.newKeys & DPAD_DOWN)
+ {
+ m4aSongNumStart(0x67);
+ if (++gTitlescreen.menuCursorIndex > 3)
+ gTitlescreen.menuCursorIndex = 0;
+ }
+
+ if (gMain.newKeys & (A_BUTTON | START_BUTTON))
+ {
+ m4aSongNumStart(0x65);
+ gTitlescreen.unk4 = 0;
+ gTitlescreen.unk2 = 0;
+ gMain.subState = 7;
+ }
+ else if (gMain.newKeys & B_BUTTON)
+ {
+ m4aSongNumStart(0x66);
+ gTitlescreen.unk4 = 0;
+ gTitlescreen.unk2 = 12;
+ gTitlescreen.unkD = 0;
+ gTitlescreen.unkF = 0;
+ gMain.subState = 6;
+ }
+
+ sub_1157C();
+ }
+
+ sub_1175C();
+}
+
+void sub_11020(void)
+{
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ {
+ gUnknown_020028A4 = 1;
+ gTitlescreen.unk6 = 9;
+ gMain.subState = 11;
+ }
+
+ if (!gUnknown_020028A4)
+ {
+ u16 unk4 = gTitlescreen.unk4;
+ u16 mask = 0x3;
+ if (!(unk4 & mask))
+ {
+ if (!gTitlescreen.unk2)
+ {
+ gTitlescreen.unk2 = 1;
+ sub_10708((void *)(OBJ_VRAM0 + 0x1E0 + gTitlescreen.menuCursorIndex * 0x800), gUnknown_03000000, 8, 2);
+ sub_10708((void *)(OBJ_VRAM0 + 0x61E0), (void *)(OBJ_VRAM0 + 0x1E0 + gTitlescreen.menuCursorIndex * 0x800), 8, 2);
+ }
+ else
+ {
+ gTitlescreen.unk2 = 0;
+ sub_10708(gUnknown_03000000, (void *)(OBJ_VRAM0 + 0x1E0 + gTitlescreen.menuCursorIndex * 0x800), 8, 2);
+ }
+ }
+
+ if (gTitlescreen.unk4 > 20)
+ {
+ gMain.unkD = 0;
+ gTitlescreen.unk6 = gUnknown_086A96A4[gTitlescreen.menuCursorIndex];
+ gMain.subState = 10;
+ }
+
+ gTitlescreen.unk4++;
+ }
+
+ sub_1175C();
+}
+
+void sub_110FC(void)
+{
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ {
+ gUnknown_020028A4 = 1;
+ gTitlescreen.unk6 = 9;
+ gMain.subState = 10;
+ }
+
+ if (!gUnknown_020028A4)
+ {
+ gTitlescreen.unk4++;
+ if (gTitlescreen.unk4 >= gUnknown_086A9672[gTitlescreen.unk2][1])
+ {
+ gTitlescreen.unk4 = 0;
+ if (++gTitlescreen.unk2 > 6)
+ gTitlescreen.unk2 = 0;
+
+ gTitlescreen.unkC = gUnknown_086A9672[gTitlescreen.unk2][0];
+ gTitlescreen.unkE = gUnknown_086A9672[gTitlescreen.unk2][0] + 3;
+ }
+
+ if (gMain.newKeys & DPAD_UP)
+ {
+ m4aSongNumStart(0x67);
+ if (--gTitlescreen.menuCursorIndex < 0)
+ gTitlescreen.menuCursorIndex = 4;
+ }
+ else if (gMain.newKeys & DPAD_DOWN)
+ {
+ m4aSongNumStart(0x67);
+ if (++gTitlescreen.menuCursorIndex > 4)
+ gTitlescreen.menuCursorIndex = 0;
+ }
+
+ if (gMain.newKeys & (A_BUTTON | START_BUTTON))
+ {
+ m4aSongNumStart(0x65);
+ gTitlescreen.unk4 = 0;
+ gTitlescreen.unk2 = 0;
+ gMain.subState = 8;
+ }
+ else if (gMain.newKeys & B_BUTTON)
+ {
+ m4aSongNumStart(0x66);
+ gTitlescreen.unk4 = 0;
+ gTitlescreen.unk2 = 12;
+ gTitlescreen.unkD = 0;
+ gTitlescreen.unkF = 0;
+ gMain.subState = 6;
+ }
+
+ sub_1157C();
+ }
+
+ sub_11968();
+}
+
+void sub_11228(void)
+{
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ {
+ gUnknown_020028A4 = 1;
+ gTitlescreen.unk6 = 9;
+ gMain.subState = 11;
+ }
+
+ if (!gUnknown_020028A4)
+ {
+ u16 unk4 = gTitlescreen.unk4;
+ u16 mask = 0x3;
+ if (!(unk4 & mask))
+ {
+ if (!gTitlescreen.unk2)
+ {
+ gTitlescreen.unk2 = 1;
+ sub_10708((void *)(OBJ_VRAM0 + 0x1E0 + gTitlescreen.menuCursorIndex * 0x800), gUnknown_03000000, 8, 2);
+ sub_10708((void *)(OBJ_VRAM0 + 0x61E0), (void *)(OBJ_VRAM0 + 0x1E0 + gTitlescreen.menuCursorIndex * 0x800), 8, 2);
+ }
+ else
+ {
+ gTitlescreen.unk2 = 0;
+ sub_10708(gUnknown_03000000, (void *)(OBJ_VRAM0 + 0x1E0 + gTitlescreen.menuCursorIndex * 0x800), 8, 2);
+ }
+ }
+
+ if (gTitlescreen.unk4 > 20)
+ {
+ if (gTitlescreen.menuCursorIndex == 1)
+ gMain.unkD = 1;
+ else
+ gMain.unkD = 0;
+
+ gTitlescreen.unk6 = gUnknown_086A96D4[gTitlescreen.menuCursorIndex];
+ gMain.subState = 10;
+ }
+
+ gTitlescreen.unk4++;
+ }
+
+ sub_11968();
+}
+
+void sub_11320(void)
+{
+ if ((gMain.heldKeys & (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ == (A_BUTTON | B_BUTTON | SELECT_BUTTON | START_BUTTON))
+ {
+ gUnknown_020028A4 = 1;
+ gTitlescreen.unk6 = 9;
+ gMain.subState = 11;
+ }
+
+ if (!gUnknown_020028A4)
+ {
+ if (!gTitlescreen.unk7)
+ {
+ gTitlescreen.unk4++;
+ if (gTitlescreen.unk4 >= gUnknown_086A9748[gTitlescreen.unk2])
+ {
+ gTitlescreen.unk4 = 0;
+ if (--gTitlescreen.unk2 < 0)
+ {
+ gTitlescreen.unk2 = 0;
+ gTitlescreen.menuCursorIndex = 0;
+ gUnknown_202BE24 = 1;
+ gTitlescreen.unk9 = 1;
+ gTitlescreen.unkB = 0;
+ gMain.subState = 1;
+ }
+
+ gUnknown_0201C190[6] = gUnknown_086A9714[gTitlescreen.unk2];
+ }
+
+ sub_1175C();
+ }
+ else
+ {
+ gTitlescreen.unk4++;
+ if (gTitlescreen.unk4 >= gUnknown_086A9748[gTitlescreen.unk2])
+ {
+ gTitlescreen.unk4 = 0;
+ if (--gTitlescreen.unk2 < 0)
+ {
+ gTitlescreen.unk2 = 0;
+ gTitlescreen.menuCursorIndex = 1;
+ gUnknown_202BE24 = 1;
+ gTitlescreen.unk9 = 1;
+ gTitlescreen.unkB = 0;
+ gMain.subState = 1;
+ }
+
+ gUnknown_0202BE00[6] = gUnknown_086A9778[gTitlescreen.unk2];
+ }
+
+ sub_11968();
+ }
+ }
+}
+
+void sub_11428(void)
+{
+ if (!gTitlescreen.unk7)
+ sub_FE04(sub_1175C);
+ else
+ sub_FE04(sub_11968);
+
+ m4aMPlayAllStop();
+ sub_D10();
+
+ if (gUnknown_086A964C[gTitlescreen.unk6] == 8)
+ gUnknown_0202C588 = 0;
+ else
+ gUnknown_0202C588 = 1;
+
+ gAutoDisplayTitlescreenMenu = 0;
+ SetMainGameState(gUnknown_086A964C[gTitlescreen.unk6]);
+}
+
+void sub_114B4(void)
+{
+ sub_FE04(sub_11640);
+ m4aMPlayAllStop();
+ sub_D10();
+ gUnknown_0202C588 = 1;
+ gAutoDisplayTitlescreenMenu = 0;
+ SetMainGameState(gUnknown_086A964C[gTitlescreen.unk6]);
+}
+
+static void sub_114FC(void)
+{
+ // To delete save file, press R_BUTTON 3 times while holding L_BUTTON And DPAD_LEFT.
+ if ((gMain.heldKeys & (L_BUTTON | DPAD_LEFT)) == (L_BUTTON | DPAD_LEFT))
+ {
+ if (gMain.newKeys & R_BUTTON)
+ {
+ gUnknown_020028A1 = 40;
+ if (++gUnknown_020028A0 == 3)
+ {
+ gUnknown_020028A0 = 0;
+ gUnknown_020028A1 = 0;
+ m4aSongNumStart(0x68);
+ gTitlescreen.unk11 = 1;
+ gMain.subState = 9;
+ }
+ }
+ }
+
+ if (gUnknown_020028A1 > 0)
+ {
+ if (--gUnknown_020028A1 <= 0)
+ {
+ gUnknown_020028A1 = 0;
+ gUnknown_020028A0 = 0;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-27 13:15:39 +0000