decompile fldeff_secretpower

3 files changed, 305 insertions, 3 deletions

diff --git a/src/field/field_effect.c b/src/field/field_effect.c
index e15dc906f..0ccbb6230 100644
--- a/src/field/field_effect.c
+++ b/src/field/field_effect.c
@@ -28,7 +28,7 @@
 
 #define subsprite_table(ptr) {.subsprites = ptr, .subspriteCount = (sizeof ptr) / (sizeof(struct Subsprite))}
 
-EWRAM_DATA u32 gFieldEffectArguments[8] = {0};
+EWRAM_DATA s32 gFieldEffectArguments[8] = {0};
 
 const u32 gSpriteImage_839DC14[] = INCBIN_U32("graphics/birch_speech/birch.4bpp");
 const u16 gBirchPalette[16] = INCBIN_U16("graphics/birch_speech/birch.gbapal");
diff --git a/src/field/fldeff_cut.c b/src/field/fldeff_cut.c
index 6e7f14a8c..599c916a2 100644
--- a/src/field/fldeff_cut.c
+++ b/src/field/fldeff_cut.c
@@ -23,8 +23,6 @@ extern void (*gUnknown_03005CE4)(void);
 
 extern struct SpriteTemplate gSpriteTemplate_CutGrass;
 
-extern struct MapPosition gUnknown_0203923C;
-
 extern u8 gLastFieldPokeMenuOpened;
 
 extern u8 S_UseCut[];
diff --git a/src/field/fldeff_secretpower.c b/src/field/fldeff_secretpower.c
new file mode 100644
index 000000000..fd1548c46
--- /dev/null
+++ b/src/field/fldeff_secretpower.c
@@ -0,0 +1,304 @@
+#include "global.h"
+#include "event_data.h"
+#include "fieldmap.h"
+#include "field_effect.h"
+#include "field_player_avatar.h"
+#include "metatile_behavior.h"
+#include "metatile_behaviors.h"
+#include "overworld.h"
+#include "pokemon_menu.h"
+#include "rom6.h"
+#include "script.h"
+#include "secret_base.h"
+#include "songs.h"
+#include "sound.h"
+
+extern u8 gUnknown_081A2CE6[];
+extern u8 gUnknown_081A2D3E[];
+extern u8 gUnknown_081A2D96[];
+
+extern struct SpriteTemplate gSpriteTemplate_83D2614;
+extern struct SpriteTemplate gSpriteTemplate_83D262C;
+extern struct SpriteTemplate gSpriteTemplate_83D2644;
+
+void sub_80C639C(void);
+void sub_80C63E8(void);
+void sub_80C6468(struct Sprite *);
+void sub_80C6498(struct Sprite *);
+void sub_80C64A8(void);
+void sub_80C64F4(void);
+void sub_80C65C4(struct Sprite *);
+void sub_80C65FC(struct Sprite *);
+void sub_80C660C(void);
+void sub_80C6658(void);
+void sub_80C66D8(struct Sprite *sprite);
+void sub_80C6708(struct Sprite *sprite);
+
+void sub_80C6264(void)
+{
+    sub_80BBFD8(&gUnknown_0203923C, gMapHeader.events);
+    sub_80BB5E4();
+}
+
+void sub_80C6280(void)
+{
+    switch (gFieldEffectArguments[1])
+    {
+    case 1:
+        gFieldEffectArguments[5] = 8;
+        gFieldEffectArguments[6] = 40;
+        break;
+    case 2:
+        gFieldEffectArguments[5] = 8;
+        gFieldEffectArguments[6] = 8;
+        break;
+    case 3:
+        gFieldEffectArguments[5] = -8;
+        gFieldEffectArguments[6] = 24;
+        break;
+    case 4:
+        gFieldEffectArguments[5] = 24;
+        gFieldEffectArguments[6] = 24;
+        break;
+    }
+}
+
+bool8 SetUpFieldMove_SecretPower(void)
+{
+    u8 behavior;
+
+    sub_80BB63C();
+
+    if (gScriptResult == 1 || player_get_direction_lower_nybble() != 2)
+        return FALSE;
+
+    GetXYCoordsOneStepInFrontOfPlayer(&gUnknown_0203923C.x, &gUnknown_0203923C.y);
+    behavior = MapGridGetMetatileBehaviorAt(gUnknown_0203923C.x, gUnknown_0203923C.y);
+
+    if (MetatileBehavior_IsSecretBaseCave(behavior) == TRUE)
+    {
+        sub_80C6264();
+        gFieldCallback = FieldCallback_Teleport;
+        gUnknown_03005CE4 = sub_80C639C;
+        return TRUE;
+    }
+
+    if (MetatileBehavior_IsSecretBaseTree(behavior) == TRUE)
+    {
+        sub_80C6264();
+        gFieldCallback = FieldCallback_Teleport;
+        gUnknown_03005CE4 = sub_80C64A8;
+        return TRUE;
+    }
+
+    if (MetatileBehavior_IsSecretBaseShrub(behavior) == TRUE)
+    {
+        sub_80C6264();
+        gFieldCallback = FieldCallback_Teleport;
+        gUnknown_03005CE4 = sub_80C660C;
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+void sub_80C639C(void)
+{
+    gFieldEffectArguments[0] = gLastFieldPokeMenuOpened;
+    ScriptContext1_SetupScript(gUnknown_081A2CE6);
+}
+
+bool8 FldEff_UseSecretPowerCave(void)
+{
+    u8 taskId = oei_task_add();
+
+    gTasks[taskId].data[8] = (uintptr_t)sub_80C63E8 >> 16;
+    gTasks[taskId].data[9] = (uintptr_t)sub_80C63E8;
+
+    return FALSE;
+}
+
+void sub_80C63E8(void)
+{
+    FieldEffectActiveListRemove(FLDEFF_USE_SECRET_POWER_CAVE);
+    FieldEffectStart(FLDEFF_SECRET_POWER_CAVE);
+}
+
+bool8 FldEff_SecretPowerCave(void)
+{
+    sub_80C6280();
+    CreateSprite(
+        &gSpriteTemplate_83D2614,
+        gSprites[gPlayerAvatar.spriteId].oam.x + gFieldEffectArguments[5],
+        gSprites[gPlayerAvatar.spriteId].oam.y + gFieldEffectArguments[6],
+        148);
+    return FALSE;
+}
+
+void sub_80C644C(struct Sprite *sprite)
+{
+    PlaySE(SE_W088);
+    sprite->data[0] = 0;
+    sprite->callback = sub_80C6468;
+}
+
+void sub_80C6468(struct Sprite *sprite)
+{
+    if (sprite->data[0] < 40)
+    {
+        sprite->data[0]++;
+        if (sprite->data[0] == 20 )
+            sub_80BB800();
+    }
+    else
+    {
+        sprite->data[0] = 0;
+        sprite->callback = sub_80C6498;
+    }
+}
+
+void sub_80C6498(struct Sprite *sprite)
+{
+    FieldEffectStop(sprite, FLDEFF_SECRET_POWER_CAVE);
+    EnableBothScriptContexts();
+}
+
+void sub_80C64A8(void)
+{
+    gFieldEffectArguments[0] = gLastFieldPokeMenuOpened;
+    ScriptContext1_SetupScript(gUnknown_081A2D3E);
+}
+
+bool8 FldEff_UseSecretPowerTree(void)
+{
+    u8 taskId = oei_task_add();
+
+    gTasks[taskId].data[8] = (uintptr_t)sub_80C64F4 >> 16;
+    gTasks[taskId].data[9] = (uintptr_t)sub_80C64F4;
+
+    return FALSE;
+}
+
+void sub_80C64F4(void)
+{
+    FieldEffectActiveListRemove(FLDEFF_USE_SECRET_POWER_TREE);
+    FieldEffectStart(FLDEFF_SECRET_POWER_TREE);
+}
+
+bool8 FldEff_SecretPowerTree(void)
+{
+    s16 behavior = MapGridGetMetatileBehaviorAt(gUnknown_0203923C.x, gUnknown_0203923C.y) & 0xFFF;
+
+    if (behavior == MB_SECRET_BASE_SPOT_TREE_1)
+    {
+        gFieldEffectArguments[7] = 0;
+    }
+
+    if (behavior == MB_SECRET_BASE_SPOT_TREE_2)
+    {
+        gFieldEffectArguments[7] = 2;
+    }
+
+    sub_80C6280();
+
+    CreateSprite(
+        &gSpriteTemplate_83D262C,
+        gSprites[gPlayerAvatar.spriteId].oam.x + gFieldEffectArguments[5],
+        gSprites[gPlayerAvatar.spriteId].oam.y + gFieldEffectArguments[6],
+        148);
+
+    if (gFieldEffectArguments[7] == 1 || gFieldEffectArguments[7] == 3)
+        sub_80BB800();
+
+    return FALSE;
+}
+
+void sub_80C6598(struct Sprite *sprite)
+{
+    PlaySE(SE_W010);
+    sprite->animNum = gFieldEffectArguments[7];
+    sprite->data[0] = 0;
+    sprite->callback = sub_80C65C4;
+}
+
+void sub_80C65C4(struct Sprite *sprite)
+{
+    sprite->data[0]++;
+
+    if (sprite->data[0] >= 40)
+    {
+        if (gFieldEffectArguments[7] == 0 || gFieldEffectArguments[7] == 2)
+            sub_80BB800();
+        sprite->data[0] = 0;
+        sprite->callback = sub_80C65FC;
+    }
+}
+
+
+void sub_80C65FC(struct Sprite *sprite)
+{
+    FieldEffectStop(sprite, FLDEFF_SECRET_POWER_TREE);
+    EnableBothScriptContexts();
+}
+
+void sub_80C660C(void)
+{
+    gFieldEffectArguments[0] = gLastFieldPokeMenuOpened;
+    ScriptContext1_SetupScript(gUnknown_081A2D96);
+}
+
+bool8 FldEff_UseSecretPowerShrub(void)
+{
+    u8 taskId = oei_task_add();
+
+    gTasks[taskId].data[8] = (uintptr_t)sub_80C6658 >> 16;
+    gTasks[taskId].data[9] = (uintptr_t)sub_80C6658;
+
+    return FALSE;
+}
+
+void sub_80C6658(void)
+{
+    FieldEffectActiveListRemove(FLDEFF_USE_SECRET_POWER_SHRUB);
+    FieldEffectStart(FLDEFF_SECRET_POWER_SHRUB);
+}
+
+bool8 FldEff_SecretPowerShrub(void)
+{
+    sub_80C6280();
+    CreateSprite(
+        &gSpriteTemplate_83D2644,
+        gSprites[gPlayerAvatar.spriteId].oam.x + gFieldEffectArguments[5],
+        gSprites[gPlayerAvatar.spriteId].oam.y + gFieldEffectArguments[6],
+        148);
+    return FALSE;
+}
+
+void sub_80C66BC(struct Sprite *sprite)
+{
+    PlaySE(SE_W077);
+    sprite->data[0] = 0;
+    sprite->callback = sub_80C66D8;
+}
+
+void sub_80C66D8(struct Sprite *sprite)
+{
+    if (sprite->data[0] < 40)
+    {
+        sprite->data[0]++;
+        if (sprite->data[0] == 20 )
+            sub_80BB800();
+    }
+    else
+    {
+        sprite->data[0] = 0;
+        sprite->callback = sub_80C6708;
+    }
+}
+
+
+void sub_80C6708(struct Sprite *sprite)
+{
+    FieldEffectStop(sprite, FLDEFF_SECRET_POWER_SHRUB);
+    EnableBothScriptContexts();
+}