decompile Sensor BladeTrap

1 files changed, 120 insertions, 0 deletions

diff --git a/src/enemy/sensorBladeTrap.c b/src/enemy/sensorBladeTrap.c
new file mode 100644
index 00000000..a0a049c0
--- /dev/null
+++ b/src/enemy/sensorBladeTrap.c
@@ -0,0 +1,120 @@
+#include "enemy.h"
+#include "functions.h"
+
+extern u32 sub_0804A024(Entity*, u32, u32);
+extern bool32 sub_080AE4CC(Entity*, u32, u32, u32);
+extern bool32 sub_080AF038(Entity*);
+
+extern Entity gUnk_02027EB4;
+extern Entity gUnk_0200D654;
+
+void sub_0802BB10(Entity*);
+bool32 sub_0802BB2C(Entity*, u32);
+
+extern void (*const gUnk_080CD3C4[])(Entity*);
+extern const u16 gUnk_080CD3D4[];
+extern const s8 gUnk_080CD3DC[];
+
+void SensorBladeTrap(Entity* this) {
+    gUnk_080CD3C4[this->action](this);
+}
+
+void sub_0802B9EC(Entity* this) {
+    this->action = 1;
+    this->field_0x78.HWORD = gUnk_080CD3D4[this->entityType.form];
+    this->field_0x7c.HALF.LO = this->cutsceneBeh.HWORD;
+    this->field_0x7c.HALF.HI = this->field_0x86.HWORD;
+}
+
+void sub_0802BA18(Entity* this) {
+    u32 direction = sub_0804A024(this, 1, 0xe);
+    if (direction == 0xff)
+        return;
+
+    if (sub_0802BB2C(this, direction))
+        return;
+
+    this->action = 2;
+    this->nonPlanarMovement = this->field_0x78.HWORD;
+    this->direction = direction;
+
+    switch (direction >> 3) {
+        case 0:
+            this->field_0x7a.HWORD = this->y.HALF.HI - this->field_0x7c.HALF.HI;
+            break;
+        case 1:
+            this->field_0x7a.HWORD = this->x.HALF.HI + this->field_0x7c.HALF.LO;
+            break;
+        case 2:
+            this->field_0x7a.HWORD = this->y.HALF.HI + this->field_0x7c.HALF.HI;
+            break;
+        case 3:
+            this->field_0x7a.HWORD = this->x.HALF.HI - this->field_0x7c.HALF.LO;
+            break;
+    }
+}
+
+void sub_0802BA8C(Entity* this) {
+    if (!sub_080AF038(this)) {
+        sub_0802BB10(this);
+    } else {
+        switch (this->direction >> 3) {
+            case 0:
+                if (this->field_0x7a.HWORD >= this->y.HALF.HI)
+                    sub_0802BB10(this);
+                break;
+            case 1:
+                if (this->field_0x7a.HWORD <= this->x.HALF.HI)
+                    sub_0802BB10(this);
+                break;
+            case 2:
+                if (this->field_0x7a.HWORD <= this->y.HALF.HI)
+                    sub_0802BB10(this);
+                break;
+            case 3:
+                if (this->field_0x7a.HWORD >= this->x.HALF.HI)
+                    sub_0802BB10(this);
+                break;
+        }
+    }
+}
+
+void sub_0802BAFC(Entity* this) {
+    if (!sub_080AF038(this)) {
+        this->action = 1;
+    }
+}
+
+void sub_0802BB10(Entity* this) {
+    this->action = 3;
+    this->nonPlanarMovement = 0xc0;
+    this->direction = this->direction ^ 0x10;
+    EnqueueSFX(0x74);
+}
+
+bool32 sub_0802BB2C(Entity* this, u32 param_2) {
+    Entity* ent = this->collisionLayer == 2 ? &gUnk_0200D654 : &gUnk_02027EB4;
+    const s8* ptr = &gUnk_080CD3DC[param_2 >> 2];
+    return sub_080AE4CC(ent, this->x.HALF.HI + ptr[0], this->y.HALF.HI + ptr[1], 0);
+}
+
+// clang-format off
+void (*const gUnk_080CD3C4[])(Entity*) = {
+    sub_0802B9EC,
+    sub_0802BA18,
+    sub_0802BA8C,
+    sub_0802BAFC,
+};
+
+const u16 gUnk_080CD3D4[] = {
+    0x100, 0x180,
+    0x200, 0x280,
+};
+
+const s8 gUnk_080CD3DC[] = {
+      0, -12,
+     12,   0,
+      0,  12,
+    -12,   0,
+};
+// clang-format on