Decompile rock

src/rock.c

@@ -1,22 +1,37 @@
 #include "global.h"
 #include "battle_anim.h"
+#include "gpu_regs.h"
+#include "graphics.h"
+#include "palette.h"
+#include "sound.h"
+#include "task.h"
+#include "trig.h"
 #include "constants/rgb.h"
-
-extern void sub_81109F0(struct Sprite *);
-extern void sub_8110AB4(struct Sprite *);
-extern void sub_8110B38(struct Sprite *);
-extern void sub_8110E4C(struct Sprite *);
-extern void sub_8110F30(struct Sprite *);
-extern void sub_811131C(struct Sprite *);
-extern void sub_8111388(struct Sprite *);
-extern void sub_8111418(struct Sprite *);
-extern void sub_8111444(struct Sprite *);
-extern void sub_80FF268(struct Sprite *);
-extern void sub_80A8EE4(struct Sprite *);
+#include "constants/songs.h"
 
 extern const union AnimCmd *const gUnknown_085950E0[];
 extern const union AnimCmd *const gUnknown_085954D0[];
 
+extern void AnimMoveTwisterParticle(struct Sprite *);
+
+void sub_81109F0(struct Sprite *);
+void sub_8110AB4(struct Sprite *);
+void AnimDirtParticleAcrossScreen(struct Sprite *);
+void AnimRaiseSprite(struct Sprite *);
+void sub_81110A4(u8 taskId);
+void sub_811131C(struct Sprite *);
+void sub_8111388(struct Sprite *);
+void sub_8111418(struct Sprite *);
+void sub_8111444(struct Sprite *);
+void sub_8110B38(struct Sprite *);
+static void sub_8110A70(struct Sprite *);
+static void sub_8110B80(struct Sprite *sprite);
+static void sub_8110CB0(u8 taskId);
+static void sub_8111214(struct Task *task);
+static u8 sub_811135C(void);
+static void sub_81113C8(struct Sprite *sprite);
+static void sub_811149C(struct Sprite *sprite);
+
 const union AnimCmd gUnknown_08596AE0[] =
 {
     ANIMCMD_FRAME(32, 1),
@@ -118,7 +133,7 @@ const struct SpriteTemplate gBattleAnimSpriteTemplate_8596BA0 =
     .anims = gDummySpriteAnimTable,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_8110E4C,
+    .callback = AnimDirtParticleAcrossScreen,
 };
 
 const struct Subsprite gUnknown_08596BB8[] =
@@ -194,7 +209,7 @@ const struct SpriteTemplate gUnknown_08596C10 =
     .anims = gUnknown_08596BF8,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_8110F30,
+    .callback = AnimRaiseSprite,
 };
 
 const struct SpriteTemplate gUnknown_08596C28 =
@@ -278,7 +293,7 @@ const struct SpriteTemplate gUnknown_08596CC8 =
     .anims = gUnknown_08596C08,
     .images = NULL,
     .affineAnims = gUnknown_08596C90,
-    .callback = sub_80FF268,
+    .callback = AnimMoveTwisterParticle,
 };
 
 const struct SpriteTemplate gUnknown_08596CE0 =
@@ -291,3 +306,573 @@ const struct SpriteTemplate gUnknown_08596CE0 =
     .affineAnims = gUnknown_08596C90,
     .callback = sub_80A8EE4,
 };
+
+void sub_81109F0(struct Sprite *sprite)
+{
+    if (gBattleAnimArgs[3] != 0)
+        SetAverageBattlerPositions(gBattleAnimTarget, 0, &sprite->pos1.x, &sprite->pos1.y);
+
+    sprite->pos1.x += gBattleAnimArgs[0];
+    sprite->pos1.y += 14;
+
+    StartSpriteAnim(sprite, gBattleAnimArgs[1]);
+    AnimateSprite(sprite);
+
+    sprite->data[0] = 0;
+    sprite->data[1] = 0;
+    sprite->data[2] = 4;
+    sprite->data[3] = 16;
+    sprite->data[4] = -70;
+    sprite->data[5] = gBattleAnimArgs[2];
+
+    StoreSpriteCallbackInData6(sprite, sub_8110A70);
+    sprite->callback = sub_80A6450;
+    sprite->callback(sprite);
+}
+
+static void sub_8110A70(struct Sprite *sprite)
+{
+    sprite->pos1.x += sprite->data[5];
+
+    sprite->data[0] = 192;
+    sprite->data[1] = sprite->data[5];
+    sprite->data[2] = 4;
+    sprite->data[3] = 32;
+    sprite->data[4] = -24;
+
+    StoreSpriteCallbackInData6(sprite, move_anim_8074EE0);
+    sprite->callback = sub_80A6450;
+    sprite->callback(sprite);
+}
+
+void sub_8110AB4(struct Sprite *sprite)
+{
+    StartSpriteAnim(sprite, gBattleAnimArgs[5]);
+    AnimateSprite(sprite);
+
+    if (GetBattlerSide(gBattleAnimAttacker) != B_SIDE_PLAYER)
+        sprite->pos1.x -= gBattleAnimArgs[0];
+    else
+        sprite->pos1.x += gBattleAnimArgs[0];
+
+    sprite->pos1.y += gBattleAnimArgs[1];
+
+    sprite->data[0] = gBattleAnimArgs[4];
+    sprite->data[1] = sprite->pos1.x;
+    sprite->data[2] = sprite->pos1.x + gBattleAnimArgs[2];
+    sprite->data[3] = sprite->pos1.y;
+    sprite->data[4] = sprite->pos1.y + gBattleAnimArgs[3];
+
+    InitSpriteDataForLinearTranslation(sprite);
+    sprite->data[3] = 0;
+    sprite->data[4] = 0;
+
+    sprite->callback = sub_80A656C;
+    StoreSpriteCallbackInData6(sprite, move_anim_8074EE0);
+}
+
+void sub_8110B38(struct Sprite *sprite)
+{
+    if (gBattleAnimArgs[6] == 0)
+        InitAnimSpritePos(sprite, 0);
+    else
+        sub_80A6980(sprite, FALSE);
+
+    sprite->data[0] = gBattleAnimArgs[3];
+    sprite->data[1] = gBattleAnimArgs[2];
+    sprite->data[2] = gBattleAnimArgs[4];
+    sprite->data[3] = gBattleAnimArgs[5];
+
+    sprite->callback = sub_8110B80;
+}
+
+static void sub_8110B80(struct Sprite *sprite)
+{
+    sprite->data[4] += sprite->data[1];
+    sprite->pos2.y = -(sprite->data[4] >> 8);
+    sprite->pos2.x = Sin(sprite->data[5], sprite->data[3]);
+    sprite->data[5] = (sprite->data[5] + sprite->data[2]) & 0xFF;
+
+    if (--sprite->data[0] == -1)
+    {
+        DestroyAnimSprite(sprite);
+    }
+}
+
+void AnimTask_LoadSandstormBackground(u8 taskId)
+{
+    int var0;
+    struct UnknownAnimStruct2 unknownStruct;
+
+    var0 = 0;
+    SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG1 | BLDCNT_TGT2_ALL | BLDCNT_EFFECT_BLEND);
+    SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(0, 16));
+    SetAnimBgAttribute(1, BG_ANIM_PRIORITY, 1);
+    SetAnimBgAttribute(1, BG_ANIM_SCREEN_SIZE, 0);
+
+    if (!IsContest())
+        SetAnimBgAttribute(1, BG_ANIM_CHAR_BASE_BLOCK, 1);
+
+    gBattle_BG1_X = 0;
+    gBattle_BG1_Y = 0;
+    SetGpuReg(REG_OFFSET_BG1HOFS, gBattle_BG1_X);
+    SetGpuReg(REG_OFFSET_BG1VOFS, gBattle_BG1_Y);
+
+    sub_80A6B30(&unknownStruct);
+    sub_80A6CC0(unknownStruct.bgId, gUnknown_08D8D58C, unknownStruct.tilesOffset);
+    sub_80A6D60(&unknownStruct, gUnknown_08D8D410, 0);
+    LoadCompressedPalette(&gBattleAnimSpritePalette_261, unknownStruct.unk8 * 16, 32);
+
+    if (gBattleAnimArgs[0] && GetBattlerSide(gBattleAnimAttacker) != B_SIDE_PLAYER)
+        var0 = 1;
+
+    gTasks[taskId].data[0] = var0;
+    gTasks[taskId].func = sub_8110CB0;
+}
+
+static void sub_8110CB0(u8 taskId)
+{    
+    struct UnknownAnimStruct2 unknownStruct;
+
+    if (gTasks[taskId].data[0] == 0)
+        gBattle_BG1_X += -6;
+    else
+        gBattle_BG1_X += 6;
+
+    gBattle_BG1_Y += -1;
+
+    switch (gTasks[taskId].data[12])
+    {
+    case 0:
+        if (++gTasks[taskId].data[10] == 4)
+        {
+            gTasks[taskId].data[10] = 0;
+            gTasks[taskId].data[11]++;
+            SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(gTasks[taskId].data[11], 16 - gTasks[taskId].data[11]));
+            if (gTasks[taskId].data[11] == 7)
+            {
+                gTasks[taskId].data[12]++;
+                gTasks[taskId].data[11] = 0;
+            }
+        }
+        break;
+    case 1:
+        if (++gTasks[taskId].data[11] == 101)
+        {
+            gTasks[taskId].data[11] = 7;
+            gTasks[taskId].data[12]++;
+        }
+        break;
+    case 2:
+        if (++gTasks[taskId].data[10] == 4)
+        {
+            gTasks[taskId].data[10] = 0;
+            gTasks[taskId].data[11]--;
+            SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(gTasks[taskId].data[11], 16 - gTasks[taskId].data[11]));
+            if (gTasks[taskId].data[11] == 0)
+            {
+                gTasks[taskId].data[12]++;
+                gTasks[taskId].data[11] = 0;
+            }
+        }
+        break;
+    case 3:
+        sub_80A6B30(&unknownStruct);
+        sub_80A6C68(unknownStruct.bgId);
+        gTasks[taskId].data[12]++;
+        break;
+    case 4:
+        if (!IsContest())
+            SetAnimBgAttribute(1, BG_ANIM_CHAR_BASE_BLOCK, 0);
+
+        gBattle_BG1_X = 0;
+        gBattle_BG1_Y = 0;
+        SetGpuReg(REG_OFFSET_BLDCNT, 0);
+        SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+        SetAnimBgAttribute(1, BG_ANIM_PRIORITY, 1);
+        DestroyAnimVisualTask(taskId);
+        break;
+    }
+}
+
+// Animates the sprites that fly diagonally across the screen
+// in Sandstorm and Heat Wave.
+// arg 0: initial y pixel offset
+// arg 1: projectile speed
+// arg 2: y pixel drop
+// arg 3: ??? unknown (possibly a color bit)
+void AnimDirtParticleAcrossScreen(struct Sprite *sprite)
+{
+    if (sprite->data[0] == 0)
+    {
+        if (gBattleAnimArgs[3] != 0 && GetBattlerSide(gBattleAnimAttacker) != B_SIDE_PLAYER)
+        {
+            sprite->pos1.x = 304;
+            gBattleAnimArgs[1] = -gBattleAnimArgs[1];
+            sprite->data[5] = 1;
+            sprite->oam.matrixNum = 8;
+        }
+        else
+        {
+            sprite->pos1.x = -64;
+        }
+
+        sprite->pos1.y = gBattleAnimArgs[0];
+        SetSubspriteTables(sprite, gUnknown_08596BC0);
+        sprite->data[1] = gBattleAnimArgs[1];
+        sprite->data[2] = gBattleAnimArgs[2];
+        sprite->data[0]++;
+    }
+    else
+    {
+        sprite->data[3] += sprite->data[1];
+        sprite->data[4] += sprite->data[2];
+        sprite->pos2.x += (sprite->data[3] >> 8);
+        sprite->pos2.y += (sprite->data[4] >> 8);
+        sprite->data[3] &= 0xFF;
+        sprite->data[4] &= 0xFF;
+
+        if (sprite->data[5] == 0)
+        {
+            if (sprite->pos1.x + sprite->pos2.x > 272)
+            {
+                sprite->callback = DestroyAnimSprite;
+            }
+        }
+        else if (sprite->pos1.x + sprite->pos2.x < -32)
+        {
+            sprite->callback = DestroyAnimSprite;
+        }
+    }
+}
+
+// Animates the rising rocks in Ancient Power.
+// arg 0: initial x pixel offset
+// arg 1: initial y pixel offset
+// arg 2: terminal y offset
+// arg 3: duration
+// arg 4: sprite size [1,5]
+void AnimRaiseSprite(struct Sprite *sprite)
+{
+    StartSpriteAnim(sprite, gBattleAnimArgs[4]);
+    InitAnimSpritePos(sprite, 0);
+
+    sprite->data[0] = gBattleAnimArgs[3];
+    sprite->data[2] = sprite->pos1.x;
+    sprite->data[4] = sprite->pos1.y + gBattleAnimArgs[2];
+
+    sprite->callback = StartAnimLinearTranslation;
+    StoreSpriteCallbackInData6(sprite, DestroyAnimSprite);
+}
+
+void sub_8110F74(u8 taskId)
+{
+    u16 var0, var1, var2, var3;
+    u8 var4;
+    int var5;
+    s16 pan1, pan2;
+    struct Task *task;
+
+    task = &gTasks[taskId];
+
+    var0 = GetBattlerSpriteCoord(gBattleAnimAttacker, 2);
+    var1 = GetBattlerSpriteCoord(gBattleAnimAttacker, 1) + 24;
+    var2 = GetBattlerSpriteCoord(gBattleAnimTarget, 2);
+    var3 = GetBattlerSpriteCoord(gBattleAnimTarget, 1) + 24;
+
+    if (BATTLE_PARTNER(gBattleAnimAttacker) == gBattleAnimTarget)
+        var3 = var1;
+
+    var4 = sub_811135C();
+    if (var4 == 1)
+        task->data[8] = 32;
+    else
+        task->data[8] = 48 - (var4 * 8);
+
+    task->data[0] = 0;
+    task->data[11] = 0;
+    task->data[9] = 0;
+    task->data[12] = 1;
+
+    var5 = task->data[8];
+    if (var5 < 0)
+        var5 += 7;
+
+    task->data[10] = (var5 >> 3) - 1;
+
+    task->data[2] = var0 * 8;
+    task->data[3] = var1 * 8;
+    task->data[4] = ((var2 - var0) * 8) / task->data[8];
+    task->data[5] = ((var3 - var1) * 8) / task->data[8];
+    task->data[6] = 0;
+    task->data[7] = 0;
+
+    pan1 = BattleAnimAdjustPanning(-64);
+    pan2 = BattleAnimAdjustPanning(63);
+
+    task->data[13] = pan1;
+    task->data[14] = (pan2 - pan1) / task->data[8];
+    task->data[1] = var4;
+    task->data[15] = GetAnimBattlerSpriteId(0);
+
+    task->func = sub_81110A4;
+}
+
+void sub_81110A4(u8 taskId)
+{
+    struct Task *task;
+
+    task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+    case 0:
+        task->data[6] -= task->data[4];
+        task->data[7] -= task->data[5];
+        gSprites[task->data[15]].pos2.x = task->data[6] >> 3;
+        gSprites[task->data[15]].pos2.y = task->data[7] >> 3;
+
+        if (++task->data[9] == 10)
+        {
+            task->data[11] = 20;
+            task->data[0]++;
+        }
+
+        PlaySE12WithPanning(SE_W029, task->data[13]);
+        break;
+    case 1:
+        if (--task->data[11] == 0)
+            task->data[0]++;
+        break;
+    case 2:
+        if (--task->data[9] != 0)
+        {
+            task->data[6] += task->data[4];
+            task->data[7] += task->data[5];
+        }
+        else
+        {
+            task->data[6] = 0;
+            task->data[7] = 0;
+            task->data[0]++;
+        }
+
+        gSprites[task->data[15]].pos2.x = task->data[6] >> 3;
+        gSprites[task->data[15]].pos2.y = task->data[7] >> 3;
+        break;
+    case 3:
+        task->data[2] += task->data[4];
+        task->data[3] += task->data[5];
+        if (++task->data[9] >= task->data[10])
+        {
+            task->data[9] = 0;
+            sub_8111214(task);
+            task->data[13] += task->data[14];
+            PlaySE12WithPanning(SE_W091, task->data[13]);
+        }
+
+        if (--task->data[8] == 0)
+        {
+            task->data[0]++;
+        }
+        break;
+    case 4:
+        if (task->data[11] == 0)
+            DestroyAnimVisualTask(taskId);
+        break;
+    }
+}
+
+static void sub_8111214(struct Task *task)
+{
+    const struct SpriteTemplate *spriteTemplate;
+    int var0;
+    u16 x, y;
+    u8 spriteId;
+
+    switch (task->data[1])
+    {
+    case 1:
+        spriteTemplate = &gUnknown_08596C28;
+        var0 = 0;
+        break;
+    case 2:
+    case 3:
+        spriteTemplate = &gUnknown_08596C40;
+        var0 = 80;
+        break;
+    case 4:
+        spriteTemplate = &gUnknown_08596C40;
+        var0 = 64;
+        break;
+    case 5:
+        spriteTemplate = &gUnknown_08596C40;
+        var0 = 48;
+        break;
+    default:
+        return;
+    }
+
+    x = task->data[2] >> 3;
+    y = task->data[3] >> 3;
+    x += (task->data[12] * 4);
+
+    spriteId = CreateSprite(spriteTemplate, x, y, 35);
+    if (spriteId != 64)
+    {
+        gSprites[spriteId].data[0] = 18;
+        gSprites[spriteId].data[2] = ((task->data[12] * 20) + x) + (task->data[1] * 3);
+        gSprites[spriteId].data[4] = y;
+        gSprites[spriteId].data[5] = -16 - (task->data[1] * 2);
+        gSprites[spriteId].oam.tileNum += var0;
+
+        InitAnimArcTranslation(&gSprites[spriteId]);
+        task->data[11]++;
+    }
+
+    task->data[12] *= -1;
+}
+
+void sub_811131C(struct Sprite *sprite)
+{
+    if (TranslateAnimArc(sprite))
+    {
+        u8 taskId = FindTaskIdByFunc(sub_81110A4);
+        if (taskId != 0xFF)
+            gTasks[taskId].data[11]--;
+
+        DestroySprite(sprite);
+    }
+}
+
+static u8 sub_811135C(void)
+{
+    u8 retVal = gAnimDisableStructPtr->rolloutTimerStartValue - gAnimDisableStructPtr->rolloutTimer;
+    u8 var0 = retVal - 1;
+    if (var0 > 4)
+        retVal = 1;
+
+    return retVal;
+}
+
+void sub_8111388(struct Sprite *sprite)
+{
+    StartSpriteAnim(sprite, gBattleAnimArgs[4]);
+
+    sprite->pos2.x = gBattleAnimArgs[0];
+    sprite->data[2] = gBattleAnimArgs[1];
+    sprite->data[3] -= gBattleAnimArgs[2];
+    sprite->data[0] = 3;
+    sprite->data[1] = gBattleAnimArgs[3];
+    sprite->callback = sub_81113C8;
+    sprite->invisible = 1;
+}
+
+static void sub_81113C8(struct Sprite *sprite)
+{
+    sprite->invisible = 0;
+    if (sprite->data[3] != 0)
+    {
+        sprite->pos2.y = sprite->data[2] + sprite->data[3];
+        sprite->data[3] += sprite->data[0];
+        sprite->data[0]++;
+        if (sprite->data[3] > 0)
+        {
+            sprite->data[3] = 0;
+        }
+    }
+    else
+    {
+        if (--sprite->data[1] == 0)
+            DestroyAnimSprite(sprite);
+    }
+}
+
+void sub_8111418(struct Sprite *sprite)
+{
+    if (GetBattlerSide(gBattleAnimAttacker) == B_SIDE_OPPONENT)
+        StartSpriteAffineAnim(sprite, 1);
+
+    TranslateAnimSpriteToTargetMonLocation(sprite);
+}
+
+void sub_8111444(struct Sprite *sprite)
+{
+    sprite->pos1.x = GetBattlerSpriteCoord(gBattleAnimTarget, 0);
+    sprite->pos1.y = GetBattlerSpriteCoord(gBattleAnimTarget, 1);
+    sprite->pos1.x += gBattleAnimArgs[0];
+    sprite->pos1.y += gBattleAnimArgs[1];
+
+    sprite->data[1] = gBattleAnimArgs[0];
+    sprite->data[2] = gBattleAnimArgs[1];
+    sprite->data[5] = gBattleAnimArgs[2];
+
+    StartSpriteAnim(sprite, gBattleAnimArgs[3]);
+    sprite->callback = sub_811149C;
+}
+
+static void sub_811149C(struct Sprite *sprite)
+{
+    sprite->data[0] += 8;
+    sprite->data[3] += sprite->data[1];
+    sprite->data[4] += sprite->data[2];
+
+    sprite->pos2.x += sprite->data[3] / 40;
+    sprite->pos2.y -= Sin(sprite->data[0], sprite->data[5]);
+
+    if (sprite->data[0] > 140)
+        DestroyAnimSprite(sprite);
+}
+
+void AnimTask_GetSeismicTossDamageLevel(u8 taskId)
+{
+    if (gAnimMoveDmg < 33)
+        gBattleAnimArgs[7] = 0;
+    if ((u32)gAnimMoveDmg - 33 < 33)
+        gBattleAnimArgs[7] = 1;
+    if (gAnimMoveDmg > 65)
+        gBattleAnimArgs[7] = 2;
+
+    DestroyAnimVisualTask(taskId);
+}
+
+void sub_811152C(u8 taskId)
+{
+    if (gTasks[taskId].data[0] == 0)
+    {
+        sub_80A6DAC(0);
+        gTasks[taskId].data[1] = 200;
+    }
+
+    gBattle_BG3_Y += gTasks[taskId].data[1] / 10;
+    gTasks[taskId].data[1] -= 3;
+
+    if (gTasks[taskId].data[0] == 120)
+    {
+        sub_80A6DAC(1);
+        DestroyAnimVisualTask(taskId);
+    }
+
+    gTasks[taskId].data[0]++;
+}
+
+void sub_8111590(u8 taskId)
+{
+    if (gTasks[taskId].data[0] == 0)
+    {
+        sub_80A6DAC(0);
+        gTasks[taskId].data[0]++;
+        gTasks[taskId].data[2] = gBattle_BG3_Y;
+    }
+
+    gTasks[taskId].data[1] += 80;
+    gTasks[taskId].data[1] &= 0xFF;
+    gBattle_BG3_Y = gTasks[taskId].data[2] + Cos(4, gTasks[taskId].data[1]);
+
+    if (gBattleAnimArgs[7] == 0xFFF)
+    {
+        gBattle_BG3_Y = 0;
+        sub_80A6DAC(1);
+        DestroyAnimVisualTask(taskId);
+    }
+}