1 files changed, 136 insertions, 0 deletions
diff --git a/src/battle/anim/scary_face.c b/src/battle/anim/scary_face.c
new file mode 100755
index 000000000..9f1dfd7d0
--- /dev/null
+++ b/src/battle/anim/scary_face.c
@@ -0,0 +1,136 @@
+#include "global.h"
+#include "rom_8077ABC.h"
+#include "trig.h"
+#include "battle_anim.h"
+#include "sound.h"
+#include "decompress.h"
+#include "palette.h"
+
+struct Struct_sub_8078914
+{
+    u8 *field_0;
+    u8 *field_4;
+    u8 field_8;
+};
+
+extern s16 gBattleAnimArgs[];
+extern u8 gBattleAnimBankAttacker;
+extern u8 gBattleAnimBankTarget;
+
+extern struct INCBIN_U8 gBattleAnimBackgroundTilemap_ScaryFaceContest;
+extern struct INCBIN_U8 gBattleAnimBackgroundTilemap_ScaryFacePlayer;
+extern struct INCBIN_U8 gBattleAnimBackgroundTilemap_ScaryFaceOpponent;
+extern struct INCBIN_U8 gBattleAnimBackgroundImage_ScaryFace;
+extern struct INCBIN_U8 gBattleAnimBackgroundPalette_ScaryFace;
+
+extern u16 gUnknown_030041B4;
+extern u16 gUnknown_030042C0;
+
+static void sub_80D24E0(u8 taskId);
+
+// scary_face (darkens the screen and shows a scary face.)
+// Used in Glare and Scary Face.
+
+void sub_80D23B4(u8 taskId)
+{
+    struct Struct_sub_8078914 subStruct;
+    u8* tempvar;
+    REG_BLDCNT = 0x3F42;
+    REG_BLDALPHA = 0x1000;
+    REG_BG1CNT_BITFIELD.priority = 1;
+    REG_BG1CNT_BITFIELD.screenSize = 0;
+    if (!NotInBattle())
+        REG_BG1CNT_BITFIELD.charBaseBlock = 1;
+
+    gUnknown_030042C0 = 0;
+    gUnknown_030041B4 = 0;
+    REG_BG1HOFS = 0;
+    REG_BG1VOFS = 0;
+    sub_8078914(&subStruct);
+    tempvar = subStruct.field_4;
+    DmaFill32(3, 0x0, tempvar, 0x1000);
+    if (NotInBattle())
+        LZDecompressVram(&gBattleAnimBackgroundTilemap_ScaryFaceContest, subStruct.field_4);
+    else if (GetBankSide(gBattleAnimBankTarget) == 1)
+        LZDecompressVram(&gBattleAnimBackgroundTilemap_ScaryFacePlayer, subStruct.field_4);
+    else
+        LZDecompressVram(&gBattleAnimBackgroundTilemap_ScaryFaceOpponent, subStruct.field_4);
+
+    LZDecompressVram(&gBattleAnimBackgroundImage_ScaryFace, subStruct.field_0);
+    LoadCompressedPalette(&gBattleAnimBackgroundPalette_ScaryFace, subStruct.field_8 << 4, 32);
+    if (NotInBattle())
+        sub_80763FC(subStruct.field_8, (u16 *)subStruct.field_4, 0, 0);
+
+    gTasks[taskId].func = sub_80D24E0;
+}
+
+void sub_80D24E0(u8 taskId)
+{
+    struct Struct_sub_8078914 subStruct;
+
+    switch (gTasks[taskId].data[12])
+    {
+    case 0:
+        if (++gTasks[taskId].data[10] == 2)
+        {
+            gTasks[taskId].data[10] = 0;
+            gTasks[taskId].data[11]++;
+            REG_BLDALPHA = gTasks[taskId].data[11] | ((16 - gTasks[taskId].data[11]) << 8);
+            if (gTasks[taskId].data[11] == 14)
+            {
+                gTasks[taskId].data[12]++;
+                gTasks[taskId].data[11] = 0;
+            }
+        }
+        break;
+    case 1:
+        if (++gTasks[taskId].data[11] == 0x15)
+        {
+            gTasks[taskId].data[11] = 14;
+            gTasks[taskId].data[12]++;
+        }
+        break;
+    case 2:
+        if (++gTasks[taskId].data[10] == 2)
+        {
+            gTasks[taskId].data[10] = 0;
+            gTasks[taskId].data[11]--;
+            REG_BLDALPHA = gTasks[taskId].data[11] | ((16 - gTasks[taskId].data[11]) << 8);
+            if (gTasks[taskId].data[11] == 0)
+            {
+                gTasks[taskId].data[12]++;
+                gTasks[taskId].data[11] = 0;
+            }
+        }
+        break;
+    case 3:
+        sub_8078914(&subStruct);
+        {
+            u8 *addr = subStruct.field_0;
+            u32 size = 0x2000;
+            while (1)
+            {
+                DmaFill32(3, 0, addr, 0x1000);
+                addr += 0x1000;
+                size -= 0x1000;
+                if (size <= 0x1000)
+                {
+                    DmaFill32(3, 0, addr, size);
+                    break;
+                }
+            }
+        }
+        DmaClear32(3, subStruct.field_4, 0x800);
+        if (!NotInBattle())
+            REG_BG1CNT_BITFIELD.charBaseBlock = 0;
+
+        gTasks[taskId].data[12]++;
+        // fall through
+    case 4:
+        REG_BLDCNT = 0;
+        REG_BLDALPHA = 0;
+        REG_BG1CNT_BITFIELD.priority = 1;
+        DestroyAnimVisualTask(taskId);
+        break;
+    }
+}