Decompile MinecartDoor

1 files changed, 194 insertions, 0 deletions

diff --git a/src/object/minecartDoor.c b/src/object/minecartDoor.c
new file mode 100644
index 00000000..32f427bc
--- /dev/null
+++ b/src/object/minecartDoor.c
@@ -0,0 +1,194 @@
+/**
+ * @file minecartDoor.c
+ * @ingroup Objects
+ *
+ * @brief Minecart Door object
+ */
+
+#define NENT_DEPRECATED
+#include "global.h"
+#include "object.h"
+#include "functions.h"
+
+typedef struct {
+    /*0x00*/ Entity base;
+    /*0x68*/ u8 unk_68[8];
+    /*0x70*/ u16 unk_70;
+    /*0x72*/ u16 unk_72;
+    /*0x74*/ u16 unk_74;
+    /*0x76*/ u16 unk_76;
+    /*0x78*/ u8 unk_78[0x6];
+    /*0x7e*/ u8 unk_7e;
+    /*0x7f*/ u8 unk_7f[0x7];
+    /*0x86*/ u16 unk_86;
+} MinecartDoorEntity;
+
+extern bool32 sub_080837B0(Entity*);         // lockedDoor
+extern void sub_080836DC(Entity*, u32, u32); // lockedDoor
+extern void sub_08083814(Entity*, u32);      // lockedDoor
+
+bool32 sub_08096CEC(MinecartDoorEntity*);
+void sub_08096E04(MinecartDoorEntity*);
+bool32 sub_08096D84(MinecartDoorEntity*);
+bool32 sub_08096D68(s32, s32, s32, s32);
+void MinecartDoor_Init(MinecartDoorEntity*);
+void MinecartDoor_Action1(MinecartDoorEntity*);
+void MinecartDoor_Action2(MinecartDoorEntity*);
+void MinecartDoor_Action3(MinecartDoorEntity*);
+void MinecartDoor_Action4(MinecartDoorEntity*);
+
+void MinecartDoor(MinecartDoorEntity* this) {
+    static void (*const MinecartDoor_Actions[])(MinecartDoorEntity*) = { MinecartDoor_Init, MinecartDoor_Action1,
+                                                                         MinecartDoor_Action2, MinecartDoor_Action3,
+                                                                         MinecartDoor_Action4 };
+    MinecartDoor_Actions[super->action](this);
+}
+
+void MinecartDoor_Init(MinecartDoorEntity* this) {
+    if (sub_080837B0(super)) {
+        if ((super->type & 4) != 0) {
+            this->unk_7e = 1;
+            super->type &= 3;
+        }
+        super->speed = 0x300;
+        this->unk_70 = super->x.HALF.HI;
+        this->unk_72 = super->y.HALF.HI;
+        super->spritePriority.b0 = 5;
+        this->unk_76 = COORD_TO_TILE(super);
+        this->unk_74 = GetTileIndex(this->unk_76, super->collisionLayer);
+        super->frameIndex = super->type;
+        if (sub_08096CEC(this)) {
+            if (this->unk_7e != 0) {
+                DeleteThisEntity();
+            } else {
+                sub_08096E04(this);
+            }
+        } else {
+            super->action = 1;
+            super->spriteSettings.draw = 1;
+            SetTile(0x4022, this->unk_76, super->collisionLayer);
+        }
+    }
+}
+
+void MinecartDoor_Action1(MinecartDoorEntity* this) {
+    if (sub_08096CEC(this)) {
+        super->action = 2;
+        super->actionDelay = 7;
+        super->direction = super->type << 3;
+        SetTile(this->unk_74, this->unk_76, super->collisionLayer);
+        EnqueueSFX(SFX_10B);
+    }
+}
+
+void MinecartDoor_Action2(MinecartDoorEntity* this) {
+    LinearMoveUpdate(super);
+    if (--super->actionDelay == 0) {
+        sub_08096E04(this);
+        super->spriteSettings.draw = 0;
+        super->x.HALF.HI = this->unk_70;
+        super->y.HALF.HI = this->unk_72;
+        if (this->unk_7e != 0) {
+            DeleteThisEntity();
+        }
+    }
+}
+
+void MinecartDoor_Action3(MinecartDoorEntity* this) {
+    bool32 bVar3;
+
+    if ((this->unk_7e != 0) && (CheckFlags(this->unk_86))) {
+        return;
+    }
+    if ((gPlayerState.flags & PL_IN_MINECART) != 0) {
+        if (super->type * 2 - (u32)gPlayerEntity.animationState == 0) {
+            if (sub_08083734(super, super->type) == 0) {
+                return;
+            }
+            goto label;
+        } else {
+            bVar3 = --super->actionDelay * 0x1000000;
+        }
+    } else {
+        bVar3 = sub_08096D84(this);
+    }
+    if (bVar3 == FALSE) {
+    label:
+        super->action = 4;
+        sub_080836DC(super, super->type, this->unk_76);
+    }
+}
+
+void MinecartDoor_Action4(MinecartDoorEntity* this) {
+    LinearMoveUpdate(super);
+    if (--super->actionDelay == 0) {
+        super->action = 1;
+        super->x.HALF.HI = this->unk_70;
+        super->y.HALF.HI = this->unk_72;
+        sub_08083814(super, super->type);
+        EnqueueSFX(SFX_10B);
+    }
+}
+
+bool32 sub_08096CEC(MinecartDoorEntity* this) {
+    if (this->unk_7e != 0 && CheckFlags(this->unk_86)) {
+        return TRUE;
+    } else {
+        if ((gPlayerState.flags & PL_IN_MINECART) != 0) {
+            Entity* player = &gPlayerEntity;
+            if ((((super->type << 1) ^ player->animationState) & 2) == 0) {
+                if ((super->type & 1) != 0) {
+                    if (sub_08096D68(gPlayerEntity.y.HALF.HI, super->y.HALF.HI, gPlayerEntity.x.HALF.HI,
+                                     super->x.HALF.HI)) {
+                        return TRUE;
+                    }
+                } else {
+                    if (sub_08096D68(gPlayerEntity.x.HALF.HI, super->x.HALF.HI, gPlayerEntity.y.HALF.HI,
+                                     super->y.HALF.HI)) {
+                        return TRUE;
+                    }
+                }
+            }
+        }
+    }
+    return FALSE;
+}
+
+bool32 sub_08096D68(s32 param_1, s32 param_2, s32 param_3, s32 param_4) {
+    if (((param_1 - param_2) + 8U < 0x11) && ((param_3 - param_4) + 0x30U < 0x61)) {
+        return TRUE;
+    } else {
+        return FALSE;
+    }
+}
+
+bool32 sub_08096D84(MinecartDoorEntity* this) {
+    switch (super->type) {
+        case 0:
+            if (((super->y.HALF.HI + 10) - (gPlayerEntity.y.HALF.HI)) < 0x65U) {
+                return TRUE;
+            }
+            break;
+        case 1:
+            if (((gPlayerEntity.x.HALF.HI) - (super->x.HALF.HI - 10)) < 0x65U) {
+                return TRUE;
+            }
+            break;
+        case 2:
+            if (((gPlayerEntity.y.HALF.HI) - (super->y.HALF.HI - 10)) < 0x65U) {
+                return TRUE;
+            }
+            break;
+        case 3:
+            if (((super->x.HALF.HI + 10) - (gPlayerEntity.x.HALF.HI)) < 0x65U) {
+                return TRUE;
+            }
+            break;
+    }
+    return FALSE;
+}
+
+void sub_08096E04(MinecartDoorEntity* this) {
+    super->action = 3;
+    super->actionDelay = 8;
+}