split battle_anim_80CA710.c (todo: split asm)

1 files changed, 143 insertions, 0 deletions

diff --git a/src/anim/note_wave.c b/src/anim/note_wave.c
new file mode 100755
index 000000000..4dc3ceb75
--- /dev/null
+++ b/src/anim/note_wave.c
@@ -0,0 +1,143 @@
+#include "global.h"
+#include "rom_8077ABC.h"
+#include "trig.h"
+#include "battle_anim.h"
+#include "sound.h"
+#include "palette.h"
+
+extern s16 gBattleAnimArgs[];
+extern u8 gBattleAnimBankAttacker;
+extern u8 gBattleAnimBankTarget;
+
+extern u16 gUnknown_083D712C[4][6];
+
+static void sub_80CEBC4(s16 a, s16 b, s16* c, s16* d, s8 e);
+static void sub_80CEC1C(struct Sprite* sprite);
+
+// note_wave
+// Used by Grasswhistle, Belly Drum, and Sing.
+
+// rainbow effect for musical notes
+void sub_80CEA20(u8 taskId)
+{
+    u16 i;
+    u16 j;
+    u16 index;
+
+    index = IndexOfSpritePaletteTag(gUnknown_083D712C[0][0]);
+    if (index != 0xFF)
+    {
+        index = (index << 4) + 0x100;
+        for (i = 1; i < 6; i++)
+        {
+            gPlttBufferFaded[index + i] = gUnknown_083D712C[0][i];
+        }
+    }
+
+    for (j = 1; j < 4; j++)
+    {
+        index = AllocSpritePalette(gUnknown_083D712C[j][0]);
+        if (index != 0xFF)
+        {
+            index = (index << 4) + 0x100;
+            for (i = 1; i < 6; i++)
+            {
+                gPlttBufferFaded[index + i] = gUnknown_083D712C[j][i];
+            }
+        }
+    }
+    DestroyAnimVisualTask(taskId);
+}
+
+// clears the rainbow effect for musical notes.
+void sub_80CEAD8(u8 taskId)
+{
+    u16 i;
+    for (i = 1; i < 4; i++)
+    {
+        FreeSpritePaletteByTag(gUnknown_083D712C[i][0]);
+    }
+
+    DestroyAnimVisualTask(taskId);
+}
+
+void sub_80CEB0C(struct Sprite* sprite)
+{
+    u8 index;
+    u8 a;
+    u8 b;
+    sub_8078650(sprite);
+    StartSpriteAnim(sprite, gBattleAnimArgs[0]);
+    if ((index = IndexOfSpritePaletteTag(gUnknown_083D712C[gBattleAnimArgs[1]][0])) != 0xFF)
+        sprite->oam.paletteNum = index;
+
+    sprite->data[1] = gBattleAnimArgs[1];
+    sprite->data[2] = 0;
+    sprite->data[3] = gBattleAnimArgs[2];
+    if (NotInBattle())
+    {
+        a = 0x30;
+        b = 0x28;
+    }
+    else
+    {
+        a = sub_8077ABC(gBattleAnimBankTarget, 2);
+        b = sub_8077ABC(gBattleAnimBankTarget, 3);
+    }
+
+    sprite->data[4] = sprite->pos1.x << 4;
+    sprite->data[5] = sprite->pos1.y << 4;
+    sub_80CEBC4(a - sprite->pos1.x, b - sprite->pos1.y, &sprite->data[6], &sprite->data[7], 0x28);
+    sprite->callback = sub_80CEC1C;
+}
+
+void sub_80CEBC4(s16 a, s16 b, s16* c, s16* d, s8 e)
+{
+    int f;
+    int g;
+    if (a < 0)
+        e = -e;
+
+    f = a << 8;
+    g = f / e;
+    if (g == 0)
+        g = 1;
+
+    *c = f / g;
+    *d = (b << 8) / g;
+}
+
+void sub_80CEC1C(struct Sprite* sprite)
+{
+    int b;
+    s16 a;
+    int c;
+    u8 index;
+    sprite->data[0]++;
+    b = sprite->data[0] * 5 - ((sprite->data[0] * 5 / 256) << 8);
+    sprite->data[4] += sprite->data[6];
+    sprite->data[5] += sprite->data[7];
+    sprite->pos1.x = sprite->data[4] >> 4;
+    sprite->pos1.y = sprite->data[5] >> 4;
+    sprite->pos2.y = Sin(b, 15);
+    a = (u16)sprite->pos1.y;
+    c = (u16)sprite->pos1.x;
+
+    if ((u32)((c + 16) << 16) > (0x110) << 16 || a < -16 || a > 0x80)
+    {
+        move_anim_8074EE0(sprite);
+    }
+    else
+    {
+        if (sprite->data[3] && ++sprite->data[2] > sprite->data[3])
+        {
+            sprite->data[2] = 0;
+            if (++sprite->data[1] > 3)
+                sprite->data[1] = 0;
+
+            index = IndexOfSpritePaletteTag(gUnknown_083D712C[sprite->data[1]][0]);
+            if (index != 0xFF)
+                sprite->oam.paletteNum = index;
+        }
+    }
+}