Game-Decompilation/mzm
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This commit is contained in:
y.demaisonregne 2023-04-05 18:36:46 +02:00
parent f3ea4ea6aa
commit 05cdf6196c
4 changed files with 104 additions and 11 deletions
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2
README.md
View File

@ -2,7 +2,7 @@
This is a work in progress decompilation of Metroid - Zero Mission. This is a work in progress decompilation of Metroid - Zero Mission.
2435/2721 functions decompiled (89.49%, 286 left) 2436/2721 functions decompiled (89.53%, 285 left)
Progress can be seen here : https://docs.google.com/spreadsheets/d/1X8XarD5evY8ZI7r_GQqh1pYmdVMbBcINYfRBUlogmKY/edit#gid=0 Progress can be seen here : https://docs.google.com/spreadsheets/d/1X8XarD5evY8ZI7r_GQqh1pYmdVMbBcINYfRBUlogmKY/edit#gid=0
**This decomp is not shiftable, don't use it as a base to work on anything** **This decomp is not shiftable, don't use it as a base to work on anything**

8
include/structs/transparency.h
View File

@ -25,10 +25,10 @@ struct BldyData {
}; };
struct TransparencyRelated { struct TransparencyRelated {
u8 unknown_0; u8 unk_0;
u8 unknown_1; u8 unk_1;
u8 unknown_2; u8 unk_2;
u8 unknown_3; u8 unk_3;
}; };
struct DefaultTransparency { struct DefaultTransparency {

8
src/data/empty_datatypes.c
View File

@ -113,10 +113,10 @@ const struct WaterMovement sWaterMovement_Empty = {
}; };
const struct TransparencyRelated sTransparencyRelated_Empty = { const struct TransparencyRelated sTransparencyRelated_Empty = {
.unknown_0 = 0, .unk_0 = 0,
.unknown_1 = 0, .unk_1 = 0,
.unknown_2 = 0, .unk_2 = 0,
.unknown_3 = 0 .unk_3 = 0
}; };
const struct LastElevatorUsed sLastElevatorUsed_Empty = { const struct LastElevatorUsed sLastElevatorUsed_Empty = {

97
src/transparency.c
View File

@ -456,7 +456,7 @@ void TransparencyApplyNewEffects(void)
TransparencyApplyNewBLDALPHA(&gBldalphaData1); TransparencyApplyNewBLDALPHA(&gBldalphaData1);
} }
if (gTransparencyRelated.unknown_0 != 0) if (gTransparencyRelated.unk_0 != 0)
unk_55e60(); unk_55e60();
} }
@ -604,9 +604,102 @@ void TransparencyApplyNewBLDY(struct BldyData* pBldy)
pBldy->activeFlag = FALSE; pBldy->activeFlag = FALSE;
} }
/**
* @brief 55e60 | 108 | To document
*
*/
void unk_55e60(void) void unk_55e60(void)
{ {
i32 coef;
i32 eva;
i32 evb;
switch (gCurrentPowerBomb.animationState)
{
case 1:
gTransparencyRelated.unk_2 = 0;
gTransparencyRelated.unk_1 = 2;
coef = gIoRegistersBackup.BLDALPHA_NonGameplay_EVB + 2;
gWrittenToBLDALPHA = coef << 8 | (16 - coef);
break;
case 0:
gTransparencyRelated.unk_2++;
if (gTransparencyRelated.unk_0 != 2)
{
if (gTransparencyRelated.unk_2 < 20)
break;
gTransparencyRelated.unk_2 = 0;
gTransparencyRelated.unk_1++;
gTransparencyRelated.unk_1 &= 7;
coef = gTransparencyRelated.unk_1 & 3;
if (gTransparencyRelated.unk_1 & 3)
{
if (coef & 1)
coef = 1;
else
coef = 2;
}
if (gTransparencyRelated.unk_1 & 4)
coef = -coef;
eva = gIoRegistersBackup.BLDALPHA_NonGameplay_EVA;
evb = gIoRegistersBackup.BLDALPHA_NonGameplay_EVB;
evb += coef;
if (evb < 0)
evb = 0;
else if (evb > 16)
evb = 16;
eva -= coef;
if (eva < 0)
eva = 0;
else if (eva > 16)
eva = 16;
gWrittenToBLDALPHA = evb << 8 | eva;
}
else
{
if (gTransparencyRelated.unk_2 < 2)
break;
gTransparencyRelated.unk_2 = 0;
gTransparencyRelated.unk_1++;
if (gTransparencyRelated.unk_1 > 3)
gTransparencyRelated.unk_1 = 0;
coef = gTransparencyRelated.unk_1;
if (gTransparencyRelated.unk_1 > 2)
coef = 4 - coef;
coef = -coef;
eva = gIoRegistersBackup.BLDALPHA_NonGameplay_EVA;
evb = gIoRegistersBackup.BLDALPHA_NonGameplay_EVB;
evb += coef;
if (evb < 0)
evb = 0;
else if (evb > 16)
evb = 16;
eva -= coef;
if (eva < 0)
eva = 0;
else if (eva > 16)
eva = 16;
gWrittenToBLDALPHA = evb << 8 | eva;
}
break;
}
} }
/** /**
@ -616,6 +709,6 @@ void unk_55e60(void)
void unk_55f68(void) void unk_55f68(void)
{ {
UpdateAnimatedPaletteAfterTransitionOrReload(); UpdateAnimatedPaletteAfterTransitionOrReload();
ColorFadingTransferPaletteOnTransition(); // Undefined ColorFadingTransferPaletteOnTransition();
CheckPlayLoadingJingle(); CheckPlayLoadingJingle();
} }