Merge pull request #600 from PikalaxALT/pc_screen_effect

Pc screen effect

1 files changed, 218 insertions, 41 deletions

diff --git a/src/pc_screen_effect.c b/src/pc_screen_effect.c
index dcc3bc9c9..0e417b5f4 100644
--- a/src/pc_screen_effect.c
+++ b/src/pc_screen_effect.c
@@ -4,56 +4,48 @@
 #include "sprite.h"
 #include "pc_screen_effect.h"
 
-void sub_80C603C(void);
-void sub_80C6078(void);
-void sub_80C60CC(struct Sprite *);
-void sub_80C6130(struct Sprite *);
-void sub_80C61B0(IntrFunc);
-void ClearGpuRegBits(void);
+static void sub_80C603C(void);
+static void sub_80C6078(void);
+static void sub_80C60CC(struct Sprite *);
+static void sub_80C6130(struct Sprite *);
+static void HBlankIntrOn(IntrFunc);
+static void HBlankIntrOff(void);
 
-extern const struct OamData gOamData_83D18D8;
+struct OamData gOamData_83D18D8 = {
+    .shape = ST_OAM_H_RECTANGLE,
+    .size = 1
+};
 
-extern const union AnimCmd *const gSpriteAnimTable_83D18E8[];
+union AnimCmd gSpriteAnim_83D18E0[] = {
+    ANIMCMD_FRAME(0, 5),
+    ANIMCMD_END
+};
 
-extern const u16 gUnknownPal_083D18EC[16];
+const union AnimCmd *gSpriteAnimTable_83D18E8[] = {
+    gSpriteAnim_83D18E0
+};
 
-extern const u8 gUnknownGfx_083D190C[128];
+u16 gUnknownPal_083D18EC[] = INCBIN_U16("graphics/unknown/unknown_3D18EC.gbapal");
+u8 gUnknownGfx_083D190C[] = INCBIN_U8("graphics/unknown/unknown_3D190C.4bpp");
 
 EWRAM_DATA struct PCScreenEffectStruct *gUnknown_020387EC = NULL;
 
-const struct SpriteSheet gUnknown_083D1898 = { gUnknownGfx_083D190C, sizeof(gUnknownGfx_083D190C), 0 };
-
-const struct SpritePalette gUnknown_083D18A0 = { gUnknownPal_083D18EC, 0 };
-
-const struct SpriteTemplate gSpriteTemplate_83D18A8 =
-{
-    0,
-    0,
-    &gOamData_83D18D8,
-    gSpriteAnimTable_83D18E8,
-    NULL,
-    gDummySpriteAffineAnimTable,
-    sub_80C60CC,
-};
-
-const struct SpriteTemplate gSpriteTemplate_83D18C0 =
-{
-    0,
-    0,
-    &gOamData_83D18D8,
-    gSpriteAnimTable_83D18E8,
-    NULL,
-    gDummySpriteAffineAnimTable,
-    sub_80C6130,
-};
-
 void sub_80C5CD4(struct PCScreenEffectStruct *unkStruct)
 {
     u16 i;
 
-    struct SpriteSheet sprSheet = gUnknown_083D1898;
-    struct SpritePalette sprPalette = gUnknown_083D18A0;
-    struct SpriteTemplate sprTemplate = gSpriteTemplate_83D18A8;
+    struct SpriteSheet sprSheet = { gUnknownGfx_083D190C, sizeof(gUnknownGfx_083D190C), 0 };
+    struct SpritePalette sprPalette = { gUnknownPal_083D18EC, 0 };
+    struct SpriteTemplate sprTemplate =
+        {
+            0,
+            0,
+            &gOamData_83D18D8,
+            gSpriteAnimTable_83D18E8,
+            NULL,
+            gDummySpriteAffineAnimTable,
+            sub_80C60CC,
+        };
 
     sprSheet.tag = unkStruct->tileTag;
     sprTemplate.tileTag =  unkStruct->tileTag;
@@ -93,7 +85,7 @@ bool8 sub_80C5DCC(void)
     if (gUnknown_020387EC->unk08 == 0)
     {
         BlendPalettes(gUnknown_020387EC->selectedPalettes, 0x10, 0xFFFF);
-        sub_80C61B0(sub_80C603C);
+        HBlankIntrOn(sub_80C603C);
         gUnknown_020387EC->unk08++;
     }
 
@@ -107,7 +99,7 @@ bool8 sub_80C5DCC(void)
         gUnknown_020387EC->unk0C = 80;
         REG_BLDCNT = 0;
         REG_BLDY = 0;
-        ClearGpuRegBits();
+        HBlankIntrOff();
         return TRUE;
     }
     else
@@ -115,3 +107,188 @@ bool8 sub_80C5DCC(void)
         return FALSE;
     }
 }
+
+void sub_80C5E38(struct PCScreenEffectStruct * a0)
+{
+    u16 i;
+    u8 spriteId;
+
+    struct SpriteSheet spriteSheet = { gUnknownGfx_083D190C, sizeof(gUnknownGfx_083D190C), 0 };
+    struct SpritePalette spritePalette = { gUnknownPal_083D18EC, 0 };
+    struct SpriteTemplate spriteTemplate =
+        {
+            0,
+            0,
+            &gOamData_83D18D8,
+            gSpriteAnimTable_83D18E8,
+            NULL,
+            gDummySpriteAffineAnimTable,
+            sub_80C6130,
+        };
+
+    spriteSheet.tag = a0->tileTag;
+    spriteTemplate.tileTag = a0->tileTag;
+    spritePalette.tag = a0->paletteTag;
+    spriteTemplate.paletteTag = a0->paletteTag;
+
+    LoadSpriteSheet(&spriteSheet);
+    LoadSpritePalette(&spritePalette);
+
+    a0->unk0C = 0x50;
+    a0->unk08 = 0;
+    a0->unk0A = 0;
+    a0->selectedPalettes = 0xffff0000 & ~(0x10000 << IndexOfSpritePaletteTag(a0->paletteTag));
+    if (a0->unk04 == 0)
+        a0->unk04 = 16;
+    if (a0->unk06 == 0)
+        a0->unk06 = 20;
+    gUnknown_020387EC = a0;
+
+    for (i = 0; i < 8; i++)
+    {
+        if (i < 4)
+        {
+            spriteId = CreateSprite(&spriteTemplate, i * 32 - 0x70, 0x50, 0);
+            if (spriteId == MAX_SPRITES)
+                break;
+            gSprites[spriteId].data[0] = a0->unk04;
+            gSprites[spriteId].data[1] = 1;
+        }
+        else
+        {
+            // Fakematching
+            spriteId = CreateSprite(&spriteTemplate, ((i << 21) + (0x80 << 16)) >> 16, 0x50, 0);
+            if (spriteId == MAX_SPRITES)
+                break;
+            gSprites[spriteId].data[0] = -a0->unk04;
+            gSprites[spriteId].data[1] = -1;
+        }
+        gSprites[spriteId].data[2] = i * 32 + 8;
+        gSprites[spriteId].data[4] = 0;
+        gSprites[spriteId].invisible = TRUE;
+    }
+    REG_BLDCNT = BLDCNT_TGT1_BG0 | BLDCNT_TGT1_BG1 | BLDCNT_TGT1_BG2 | BLDCNT_TGT1_BG3 | BLDCNT_TGT1_OBJ | BLDCNT_TGT1_BD | BLDCNT_EFFECT_DARKEN;
+    REG_BLDY = 16;
+    HBlankIntrOn(sub_80C6078);
+}
+
+bool8 sub_80C5F98(void)
+{
+    switch (gUnknown_020387EC->unk08)
+    {
+        case 0:
+            gUnknown_020387EC->unk0C -= gUnknown_020387EC->unk06;
+            if (gUnknown_020387EC->unk0C < 2)
+            {
+                BlendPalettes(gUnknown_020387EC->selectedPalettes, 0x10, 0xFFFF);
+                SetHBlankCallback(sub_80C603C);
+                gUnknown_020387EC->unk0C = 1;
+                gUnknown_020387EC->unk08++;
+            }
+            break;
+        case 1:
+            if (gUnknown_020387EC->unk0A == 8)
+            {
+                BlendPalettes(0xFFFFFFFF, 16, 0);
+                gUnknown_020387EC->unk08++;
+            }
+            break;
+        case 2:
+            REG_BLDCNT = 0;
+            REG_BLDY = 0;
+            FreeSpriteTilesByTag(gUnknown_020387EC->tileTag);
+            FreeSpritePaletteByTag(gUnknown_020387EC->paletteTag);
+            HBlankIntrOff();
+            gUnknown_020387EC->unk08++;
+            return TRUE;
+        default:
+            return TRUE;
+    }
+    return FALSE;
+}
+
+static void sub_80C603C(void)
+{
+    vu16 vcount = REG_VCOUNT & 0xFF;
+    if (vcount == 0x50)
+        REG_BLDCNT = BLDCNT_TGT1_BG0 | BLDCNT_TGT1_BG1 | BLDCNT_TGT1_BG2 | BLDCNT_TGT1_BG3 | BLDCNT_EFFECT_LIGHTEN;
+    else
+        REG_BLDCNT = BLDCNT_TGT1_BG0 | BLDCNT_TGT1_BG1 | BLDCNT_TGT1_BG2 | BLDCNT_TGT1_BG3 | BLDCNT_TGT1_OBJ | BLDCNT_TGT1_BD | BLDCNT_EFFECT_DARKEN;
+}
+
+static void sub_80C6078(void)
+{
+    vu16 vcount = REG_VCOUNT & 0xFF;
+    if (vcount > 0x50 - gUnknown_020387EC->unk0C && vcount < 0x50 + gUnknown_020387EC->unk0C)
+        REG_BLDY = 0;
+    else
+        REG_BLDY = 16;
+}
+
+static void sub_80C60CC(struct Sprite *sprite)
+{
+    sprite->pos1.x += sprite->data[0];
+    if (sprite->pos1.x < -0x08 || sprite->pos1.x > 0xf8)
+    {
+        DestroySprite(sprite);
+        gUnknown_020387EC->unk0A++;
+        if (gUnknown_020387EC->unk0A == 8)
+        {
+            FreeSpriteTilesByTag(gUnknown_020387EC->tileTag);
+            FreeSpritePaletteByTag(gUnknown_020387EC->paletteTag);
+            BlendPalettes(gUnknown_020387EC->selectedPalettes, 0, 0xffff);
+            SetHBlankCallback(sub_80C6078);
+        }
+    }
+}
+
+static void sub_80C6130(struct Sprite *sprite)
+{
+    if (sprite->data[4] == 0 && gUnknown_020387EC->unk0C == 1)
+    {
+        sprite->pos1.x += sprite->data[0];
+        if (sprite->pos1.x > -0x10 && sprite->pos1.x < 0x100)
+            sprite->invisible = FALSE;
+        if (sprite->data[1] > 0)
+        {
+            if (sprite->pos1.x >= sprite->data[2])
+                sprite->data[4] = 1;
+        }
+        else
+        {
+            if (sprite->pos1.x <= sprite->data[2])
+                sprite->data[4] = 1;
+        }
+        if (sprite->data[4])
+        {
+            gUnknown_020387EC->unk0A++;
+            sprite->pos1.x = sprite->data[2];
+        }
+    }
+}
+
+static void HBlankIntrOn(IntrFunc cb)
+{
+    u16 imeBak;
+    INTR_CHECK |= INTR_FLAG_HBLANK;
+    REG_DISPSTAT |= DISPSTAT_HBLANK_INTR;
+    imeBak = REG_IME;
+    REG_IME = 0;
+    REG_IE |= INTR_FLAG_HBLANK;
+    REG_IME = imeBak;
+    gMain.intrCheck |= INTR_FLAG_HBLANK;
+    SetHBlankCallback(cb);
+}
+
+static void HBlankIntrOff(void)
+{
+    u16 imeBak;
+    INTR_CHECK &= ~INTR_FLAG_HBLANK;
+    REG_DISPSTAT &= ~DISPSTAT_HBLANK_INTR;
+    imeBak = REG_IME;
+    REG_IME = 0;
+    REG_IE &= ~INTR_FLAG_HBLANK;
+    REG_IME = imeBak;
+    gMain.intrCheck &= ~INTR_FLAG_HBLANK;
+    SetHBlankCallback(NULL);
+}