From e3320fd439555a94b6cd2dd8113f7ebf13e67a96 Mon Sep 17 00:00:00 2001
From: RD42 <42702181+dashr9230@users.noreply.github.com>
Date: Tue, 6 Aug 2024 19:06:50 +0800
Subject: [PATCH] [saco] Implement/match `CEntity::Add()`

---
 saco/game/entity.cpp | 36 ++++++++++++++++++++++++++++++++++++
 saco/game/entity.h   |  1 +
 2 files changed, 37 insertions(+)

diff --git a/saco/game/entity.cpp b/saco/game/entity.cpp
index d821a3a..aa86d0b 100644
--- a/saco/game/entity.cpp
+++ b/saco/game/entity.cpp
@@ -248,6 +248,42 @@ float CEntity::GetDistanceFromPoint(float X, float Y, float Z)
 
 //-----------------------------------------------------------
 
+void CEntity::Add()
+{
+	// Check for CPlaceable messup
+	if(!m_pEntity || m_pEntity->vtable == 0x863C40)
+	{
+#ifdef _DEBUG
+		OutputDebugString("CEntity::Add - m_pEntity == NULL or CPlaceable");
+#endif
+		return;
+	}
+
+	if(!m_pEntity->dwUnkModelRel) {
+		// Make sure the move/turn speed is reset
+
+		VECTOR vec = {0.0f,0.0f,0.0f};
+
+		SetMoveSpeedVector(vec);
+		SetTurnSpeedVector(vec);
+
+		WorldAddEntity((PDWORD)m_pEntity);
+
+		MATRIX4X4 mat;
+		GetMatrix(&mat);
+		TeleportTo(mat.pos.X,mat.pos.Y,mat.pos.Z);
+
+#ifdef _DEBUG
+		if (!IsAdded())
+		{
+			OutputDebugString("CEntity::Add failed...");
+		}
+#endif
+	}
+}
+
+//-----------------------------------------------------------
+
 BOOL CEntity::IsAdded()
 {
 	// Check for CPlaceable messup
diff --git a/saco/game/entity.h b/saco/game/entity.h
index ae85b37..3dbf3c7 100644
--- a/saco/game/entity.h
+++ b/saco/game/entity.h
@@ -31,6 +31,7 @@ public:
 
 	BOOL  FUNC_1009FDE0();
 
+	virtual void  Add();
 	BOOL  IsAdded();
 
 	VECTOR		field_4[5];