Decompile FourElements

1 files changed, 170 insertions, 0 deletions

diff --git a/src/object/fourElements.c b/src/object/fourElements.c
new file mode 100644
index 00000000..daecece1
--- /dev/null
+++ b/src/object/fourElements.c
@@ -0,0 +1,170 @@
+/**
+ * @file fourElements.c
+ * @ingroup Objects
+ *
+ * @brief Four Elements object
+ */
+
+#define NENT_DEPRECATED
+#include "global.h"
+#include "object.h"
+#include "functions.h"
+#include "hitbox.h"
+#include "screen.h"
+#include "message.h"
+
+typedef struct {
+    /*0x00*/ Entity base;
+    /*0x68*/ u16 unk_68;
+    /*0x6a*/ u8 unk_6a;
+} FourElementsEntity;
+
+extern u32 sub_0805429C(u32);
+extern void sub_0807DF50(void);
+
+extern u16 script_PlayerGetElement[];
+
+void FourElements_Init(FourElementsEntity*);
+void FourElements_Action1(FourElementsEntity*);
+void FourElements_Action2(FourElementsEntity*);
+void FourElements_Action3(FourElementsEntity*);
+void FourElements_Action4(FourElementsEntity*);
+void FourElements_Action5(FourElementsEntity*);
+void FourElements_Action6(FourElementsEntity*);
+void sub_080A0424(FourElementsEntity*);
+void sub_080A0444(FourElementsEntity*);
+
+void FourElements(FourElementsEntity* this) {
+    static void (*const FourElements_Actions[])(FourElementsEntity*) = {
+        FourElements_Init,    FourElements_Action1, FourElements_Action2, FourElements_Action3,
+        FourElements_Action4, FourElements_Action5, FourElements_Action6,
+    };
+    FourElements_Actions[super->action](this);
+    sub_08080CB4(super);
+}
+
+void FourElements_Init(FourElementsEntity* this) {
+    Entity* objectAD;
+    super->action = 1;
+    super->spriteSettings.draw = 1;
+    super->spritePriority.b1 = 2;
+    super->spriteRendering.b3 = 1;
+    super->hitbox = (Hitbox*)&gHitbox_6;
+    super->z.HALF.HI = 0xff40;
+    this->unk_6a = 0x40;
+    switch (super->type) {
+        case 0x41:
+            gScreen.lcd.displayControl &= 0xfdff;
+            super->collisionLayer = 1;
+            break;
+        case 0x40:
+        case 0x42:
+        case 0x43:
+            break;
+    }
+    StartPlayerScript(script_PlayerGetElement);
+    gScreen.controls.layerFXControl = 0x640;
+    gScreen.controls.alphaBlend = 0x1000;
+    sub_0805BC4C();
+    objectAD = CreateObjectWithParent(super, OBJECT_AD, super->type - 0x40, 0);
+    if (objectAD != NULL) {
+        objectAD->parent = super;
+        super->child = objectAD;
+    }
+}
+
+void FourElements_Action1(FourElementsEntity* this) {
+    if ((gActiveScriptInfo.syncFlags & 4) != 0) {
+        sub_080A0424(this);
+        if (super->z.HALF.HI < -8) {
+            super->z.HALF.HI++;
+        } else {
+            super->action = 2;
+            gActiveScriptInfo.syncFlags |= 2;
+        }
+    }
+}
+
+void FourElements_Action2(FourElementsEntity* this) {
+    sub_080A0424(this);
+    sub_080A0444(this);
+    if (IsCollidingPlayer(super)) {
+        DeleteEntity(super->child);
+        super->spriteSettings.draw = 0;
+        super->action = 3;
+        super->actionDelay = 0x2d;
+        gScreen.controls.layerFXControl = 0x640;
+        gScreen.controls.alphaBlend = 0;
+        sub_080A7C18(super->type, 0, 1);
+        sub_0808C650(super, 1);
+        SetFade(6, 2);
+        SoundReq(SFX_F8);
+        SoundReq(SFX_148);
+        SoundReq(BGM_ELEMENT_GET);
+        SoundReq(SONG_BGM_0);
+    }
+}
+
+void FourElements_Action3(FourElementsEntity* this) {
+    if (super->actionDelay != 0) {
+        sub_080A0424(this);
+        if (--super->actionDelay == 0) {
+            SetDefaultPriority(&gPlayerEntity, 0);
+        }
+    } else {
+        RequestPriorityDuration(NULL, 0x3c);
+        if (sub_0808C67C()) {
+            super->action = 4;
+        }
+    }
+}
+
+void FourElements_Action4(FourElementsEntity* this) {
+    RequestPriorityDuration(NULL, 0x3c);
+    if (gFadeControl.active == 0) {
+        super->action = 5;
+        this->unk_68 = 0x1a4;
+    }
+}
+
+void FourElements_Action5(FourElementsEntity* this) {
+    u32 index;
+    RequestPriorityDuration(NULL, 10);
+    if (--this->unk_68 == 0) {
+        super->action = 6;
+        index = sub_0805429C(super->type);
+        MessageNoOverlap(index, super);
+    }
+}
+
+void FourElements_Action6(FourElementsEntity* this) {
+    RequestPriorityDuration(NULL, 10);
+    if ((gMessage.doTextBox & 0x7f) == 0) {
+        SetPriorityTimer(0x5a);
+        gPlayerState.controlMode = 1;
+        sub_0807DF50();
+        SetRoomFlag(0);
+        DeleteThisEntity();
+    }
+}
+
+void sub_080A0424(FourElementsEntity* this) {
+    if (--this->unk_6a == 0) {
+        this->unk_6a = 0x40;
+        SoundReq(SFX_178);
+    }
+}
+
+void sub_080A0444(FourElementsEntity* this) {
+    static const u8 gUnk_081248B4[] = {
+        249, 248, 247, 246, 245, 246, 247, 248,
+    };
+    super->z.HALF.HI = gUnk_081248B4[(super->field_0xf++ >> 3) & 7] << 0x18 >> 0x18;
+}
+
+void sub_080A0464(FourElementsEntity* this, ScriptExecutionContext* context) {
+    Entity* element = FindEntityByID(6, FOUR_ELEMENTS, 6);
+    if (element != NULL) {
+        sub_0807DEDC(super, context, element->x.HALF.HI, element->y.HALF.HI + 0x18);
+    }
+}