Decompile treeItem.c

2026-08-18 13:43:31 -04:00 · 2020-09-24 19:33:05 -05:00
parent c9c88c1d56
commit 82654cd402
6 changed files with 183 additions and 214 deletions
@@ -0,0 +1,98 @@
+#include "global.h"
+#include "enemy.h"
+#include "entity.h"
+#include "functions.h"
+
+static bool32 ShouldSpawnTreeItem(Entity*);
+
+extern u32 sub_080028F4(const u8*);
+extern void sub_08049CF4(Entity*);
+
+extern const u8 gUnk_080D29E0[][16];
+extern const u8 gUnk_080D2AB0[];
+
+void TreeItem(Entity* this) {
+    Entity* itemEntity;
+    int var0;
+
+    if (this->action == 0) {
+        this->action++;
+        this->field_0x68.HALF.LO = sub_080028F4(gUnk_080D29E0[this->entityType.form]);
+        if (this->field_0x68.HALF.LO > 8) {
+            DeleteThisEntity();
+        }
+
+        if (this->field_0x68.HALF.LO < 8 && GetInventoryValue(0x67) == 0) {
+            this->field_0x68.HALF.LO = 8;
+        }
+    }
+
+    if (!ShouldSpawnTreeItem(this)) {
+        return;
+    }
+
+    var0 = this->field_0x68.HALF.LO;
+    if (var0 >= 0) {
+        if (var0 > 7) {
+            if (var0 == 8) {
+                itemEntity = CreateObject(0x40, 0x60, 0);
+                if (itemEntity) {
+                    itemEntity->actionDelay = 0;
+                    CopyPosition(this, itemEntity);
+                }
+            }
+        } else {
+            itemEntity = CreateObject(0x96, 0x7, gUnk_080D2AB0[var0]);
+            if (itemEntity) {
+                CopyPosition(this, itemEntity);
+                itemEntity->y.HALF.HI += 16;
+                itemEntity->height.HALF.HI = -32;
+            }
+        }
+    }
+
+    sub_08049CF4(this);
+    DeleteThisEntity();
+}
+
+static bool32 ShouldSpawnTreeItem(Entity* this) {
+    int diff;
+    int expectedStateX, expectedStateY;
+    int playerState;
+
+    if (gPlayerEntity.action != 0x6) {
+        return FALSE;
+    }
+
+    diff = gPlayerEntity.x.HALF.HI - this->x.HALF.HI;
+    expectedStateX = 6;
+    if (diff & 0x8000) {
+        expectedStateX = 2;
+    }
+
+    diff += 40;
+    if ((u16)diff >= 80) {
+        return FALSE;
+    }
+
+    diff = gPlayerEntity.y.HALF.HI - this->y.HALF.HI;
+    expectedStateY = 0;
+    if (diff & 0x8000) {
+        expectedStateY = 4;
+    }
+
+    diff += 40;
+    if ((u16)diff >= 80) {
+        return FALSE;
+    }
+
+    playerState = gPlayerEntity.animationState;
+    if ((playerState == 0 && expectedStateY == 0) ||
+        (playerState == 4 && expectedStateY == 4) ||
+        (playerState == 6 && expectedStateX == 6) ||
+        (playerState == 2 && expectedStateX == 2)) {
+        return TRUE;
+    }
+
+    return FALSE;
+}