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Match TransparencySetRoomEffectsTransparency

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This commit is contained in:
y.demaisonregne 2023-04-23 11:58:04 +02:00
parent f28aecb9e4
commit 2a0e565ac0
2 changed files with 21 additions and 8 deletions
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2
README.md
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@ -2,7 +2,7 @@
This is a work in progress decompilation of Metroid - Zero Mission.
2470/2721 functions decompiled (90.78%, 251 left)
2476/2721 functions decompiled (90.99%, 245 left)
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**

27
src/transparency.c
View File

@ -13,14 +13,17 @@
#include "structs/samus.h"
#include "structs/room.h"
/**
* @brief 554ac | 54c | Sets the room transparency and backgrounds effects
*
*/
void TransparencySetRoomEffectsTransparency(void)
{
// https://decomp.me/scratch/iOkAi
u8 evb;
u8 eva;
u32 coef;
u16 dispcnt;
u16 dcnt;
u16 bgCnt[4];
if (gPauseScreenFlag != PAUSE_SCREEN_NONE)
@ -29,7 +32,10 @@ void TransparencySetRoomEffectsTransparency(void)
{
coef = TransparencyCheckIsDarkRoom();
if (coef != 0)
gIoRegistersBackup.DISPCNT_NonGameplay = (gIoRegistersBackup.DISPCNT_NonGameplay | DCNT_BG0) & coef;
{
dcnt = DCNT_BG0 | gIoRegistersBackup.DISPCNT_NonGameplay;
gIoRegistersBackup.DISPCNT_NonGameplay = dcnt & coef;
}
}
write16(REG_BG1CNT, gIoRegistersBackup.BG1CNT);
@ -66,10 +72,17 @@ void TransparencySetRoomEffectsTransparency(void)
bgCnt[1] = 0x4000 | 0x200 | 4;
bgCnt[2] = 0x4000 | 0x400 | 4;
bgCnt[3] = 0x200 | 0x400 | 0x2 | 0x1;
gCurrentRoomEntry.BG3Prop; // ?
bgCnt[3] |= 8;
bgCnt[3] |= TransparencyGetBGSizeFlag(gCurrentRoomEntry.BG3Size);
switch (gCurrentRoomEntry.BG3Prop)
{
case 0: // The value of this case doesn't matter
bgCnt[3] |= 8;
break;
default:
bgCnt[3] |= 8;
}
bgCnt[3] = TransparencyGetBGSizeFlag(gCurrentRoomEntry.BG3Size) | bgCnt[3];
switch (gCurrentRoomEntry.transparency)
{