1 files changed, 162 insertions, 0 deletions
diff --git a/src/battle/anim/energy_wave.c b/src/battle/anim/energy_wave.c
new file mode 100644
index 000000000..ffba5c300
--- /dev/null
+++ b/src/battle/anim/energy_wave.c
@@ -0,0 +1,162 @@
+#include "global.h"
+#include "battle_anim.h"
+#include "rom_8077ABC.h"
+#include "sprite.h"
+#include "task.h"
+#include "trig.h"
+
+extern s16 gBattleAnimArgs[8];
+extern u8 gBattleAnimBankAttacker;
+extern u8 gBattleAnimBankTarget;
+extern const struct SpriteTemplate gSpriteTemplate_83D9130[];
+
+static void sub_80D35DC(struct Sprite *);
+static void sub_80D365C(u8);
+static void sub_80D370C(struct Sprite *);
+
+// energy_wave (animates steady "waves" of energy)
+// Used in Hydro Pump, Mud Shot, Signal Beam, Flamethrower, Psywave, and
+// Hydro Cannon.
+
+void sub_80D3554(struct Sprite *sprite)
+{
+    sub_80787B0(sprite, 1);
+
+    sprite->data[0] = 30;
+    sprite->data[1] = sprite->pos1.x;
+    sprite->data[2] = sub_8077ABC(gBattleAnimBankTarget, 2);
+    sprite->data[3] = sprite->pos1.y;
+    sprite->data[4] = sub_8077ABC(gBattleAnimBankTarget, 3);
+
+    obj_translate_based_on_private_1_2_3_4(sprite);
+
+    sprite->data[5] = 0xD200 / sprite->data[0];
+    sprite->data[7] = gBattleAnimArgs[3];
+
+    if (gBattleAnimArgs[7] > 127)
+    {
+        sprite->data[6] = (gBattleAnimArgs[7] - 127) << 8;
+        sprite->data[7] = -sprite->data[7];
+    }
+    else
+    {
+        sprite->data[6] = gBattleAnimArgs[7] << 8;
+    }
+
+    sprite->callback = sub_80D35DC;
+    sprite->callback(sprite);
+}
+
+static void sub_80D35DC(struct Sprite *sprite)
+{
+    if (sub_8078B5C(sprite))
+    {
+        move_anim_8072740(sprite);
+    }
+
+    sprite->pos2.y += Sin(sprite->data[6] >> 8, sprite->data[7]);
+    if (((sprite->data[6] + sprite->data[5]) >> 8) > 127)
+    {
+        sprite->data[6] = 0;
+        sprite->data[7] = -sprite->data[7];
+    }
+    else
+    {
+        sprite->data[6] += sprite->data[5];
+    }
+}
+
+void sub_80D3630(u8 taskId)
+{
+    gTasks[taskId].data[0] = gBattleAnimArgs[0];
+    gBattleAnimArgs[7] = 0;
+    gTasks[taskId].func = sub_80D365C;
+}
+
+static void sub_80D365C(u8 taskId)
+{
+    gBattleAnimArgs[7] = (gBattleAnimArgs[7] + 3) & 0xFF;
+    if (--gTasks[taskId].data[0] == 0)
+    {
+        DestroyAnimVisualTask(taskId);
+    }
+}
+
+void sub_80D3698(struct Sprite *sprite)
+{
+    u8 subpriority;
+
+    sprite->pos1.x = sub_8077ABC(gBattleAnimBankAttacker, 0);
+    sprite->pos1.y = sub_8077ABC(gBattleAnimBankAttacker, 1);
+    sprite->pos2.y = -10;
+
+    subpriority = sub_8079E90(gBattleAnimBankAttacker);
+
+    if (!NotInBattle())
+    {
+        if (GetBankSide(gBattleAnimBankAttacker) == 0)
+        {
+            sprite->pos2.x = 10;
+            sprite->subpriority = subpriority + 2;
+        }
+        else
+        {
+            sprite->pos2.x = -10;
+            sprite->subpriority = subpriority - 2;
+        }
+    }
+    else
+    {
+        sprite->pos2.x = -10;
+        sprite->subpriority = subpriority + 2;
+    }
+
+    sprite->callback = sub_80D370C;
+}
+
+static void sub_80D370C(struct Sprite *sprite)
+{
+    if (sprite->affineAnimEnded)
+    {
+        move_anim_8072740(sprite);
+    }
+}
+
+void sub_80D3728(struct Sprite *sprite)
+{
+    int var1, var2;
+
+    if (GetBankSide(gBattleAnimBankAttacker) == GetBankSide(gBattleAnimBankTarget))
+    {
+        gBattleAnimArgs[0] *= -1;
+
+        if (GetBankIdentity(gBattleAnimBankAttacker) == 0 || GetBankIdentity(gBattleAnimBankAttacker) == 1)
+        {
+            gBattleAnimArgs[0] *= -1;
+        }
+
+    }
+
+    if ((gBattleAnimArgs[5] & 0xFF00) == 0)
+        var1 = 1;
+    else
+        var1 = 0;
+
+    if ((u8)gBattleAnimArgs[5] == 0)
+        var2 = 3;
+    else
+        var2 = 1;
+
+    sub_80787B0(sprite, var1);
+
+    if (GetBankSide(gBattleAnimBankAttacker) != 0)
+    {
+        gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+    }
+
+    sprite->data[0] = gBattleAnimArgs[4];
+    sprite->data[2] = sub_8077ABC(gBattleAnimBankTarget, 2) + gBattleAnimArgs[2];
+    sprite->data[4] = sub_8077ABC(gBattleAnimBankTarget, var2) + gBattleAnimArgs[3];
+    sprite->callback = sub_8078B34;
+    StoreSpriteCallbackInData(sprite, move_anim_8072740);
+}