diff --git a/LEGO1/lego/legoomni/include/legobuildingmanager.h b/LEGO1/lego/legoomni/include/legobuildingmanager.h
index 276586fd..409e805c 100644
--- a/LEGO1/lego/legoomni/include/legobuildingmanager.h
+++ b/LEGO1/lego/legoomni/include/legobuildingmanager.h
@@ -29,8 +29,8 @@ struct LegoBuildingInfo {
 	MxS8 m_unk0x11;               // 0x11
 	MxS8 m_initialUnk0x11;        // 0x12 - initial value loaded to m_unk0x11
 	MxU8 m_flags;                 // 0x13
-	float m_unk0x014;             // 0x14
-	const char* m_unk0x18;        // 0x18
+	float m_unk0x14;              // 0x14
+	const char* m_boundaryName;   // 0x18
 	float m_x;                    // 0x1c
 	float m_y;                    // 0x20
 	float m_z;                    // 0x24
@@ -100,7 +100,7 @@ class LegoBuildingManager : public MxCore {
 	static MxU32 g_maxSound;
 
 	MxU8 m_nextVariant;      // 0x08
-	MxU8 m_unk0x09;          // 0x09
+	MxBool m_unk0x09;        // 0x09
 	AnimEntry* m_entries[5]; // 0x0c
 	MxS8 m_numEntries;       // 0x20
 	LegoCacheSound* m_sound; // 0x24
diff --git a/LEGO1/lego/legoomni/src/common/legobuildingmanager.cpp b/LEGO1/lego/legoomni/src/common/legobuildingmanager.cpp
index d61313bd..1c0245c5 100644
--- a/LEGO1/lego/legoomni/src/common/legobuildingmanager.cpp
+++ b/LEGO1/lego/legoomni/src/common/legobuildingmanager.cpp
@@ -9,6 +9,7 @@
 #include "legoworld.h"
 #include "misc.h"
 #include "misc/legostorage.h"
+#include "mxdebug.h"
 #include "mxmisc.h"
 #include "mxticklemanager.h"
 #include "mxtimer.h"
@@ -251,7 +252,7 @@ void LegoBuildingManager::Init()
 	}
 
 	m_nextVariant = 0;
-	m_unk0x09 = 0;
+	m_unk0x09 = FALSE;
 	m_numEntries = 0;
 	m_sound = NULL;
 	m_unk0x28 = FALSE;
@@ -272,7 +273,7 @@ void LegoBuildingManager::LoadWorldInfo()
 		LegoEntity* entity = (LegoEntity*) world->Find("MxEntity", g_buildingInfoVariants[0]);
 		if (entity) {
 			entity->GetROI()->SetVisibility(TRUE);
-			m_unk0x09 = 0;
+			m_unk0x09 = FALSE;
 		}
 	}
 	else {
@@ -284,7 +285,7 @@ void LegoBuildingManager::LoadWorldInfo()
 		}
 	}
 
-	m_unk0x09 = 0;
+	m_unk0x09 = FALSE;
 }
 
 // FUNCTION: LEGO1 0x1002fa90
@@ -299,7 +300,7 @@ void LegoBuildingManager::CreateBuilding(MxS32 p_index, LegoWorld* p_world)
 		LegoROI* roi = entity->GetROI();
 		AdjustHeight(p_index);
 		MxMatrix mat = roi->GetLocal2World();
-		mat[3][1] = g_buildingInfo[p_index].m_unk0x014;
+		mat[3][1] = g_buildingInfo[p_index].m_unk0x14;
 		roi->UpdateTransformationRelativeToParent(mat);
 		VideoManager()->Get3DManager()->Moved(*roi);
 	}
@@ -314,7 +315,7 @@ void LegoBuildingManager::Reset()
 		g_buildingInfo[i].m_entity = NULL;
 	}
 
-	m_unk0x09 = 0;
+	m_unk0x09 = FALSE;
 
 	for (i = 0; i < m_numEntries; i++) {
 		delete m_entries[i];
@@ -402,13 +403,13 @@ void LegoBuildingManager::AdjustHeight(MxS32 p_index)
 {
 	if (g_buildingInfo[p_index].m_unk0x11 > 0) {
 		float value = g_buildingInfoDownshift[p_index] - g_buildingInfo[p_index].m_unk0x11;
-		g_buildingInfo[p_index].m_unk0x014 =
-			g_buildingInfoInit[p_index].m_unk0x014 - value * g_buildingInfoDownshiftScale[p_index];
+		g_buildingInfo[p_index].m_unk0x14 =
+			g_buildingInfoInit[p_index].m_unk0x14 - value * g_buildingInfoDownshiftScale[p_index];
 	}
 	else if (g_buildingInfo[p_index].m_unk0x11 == 0) {
 		float value = g_buildingInfoDownshift[p_index] - g_buildingInfo[p_index].m_unk0x11;
-		g_buildingInfo[p_index].m_unk0x014 =
-			g_buildingInfoInit[p_index].m_unk0x014 - value * g_buildingInfoDownshiftScale[p_index];
+		g_buildingInfo[p_index].m_unk0x14 =
+			g_buildingInfoInit[p_index].m_unk0x14 - value * g_buildingInfoDownshiftScale[p_index];
 
 		if (g_buildingInfo[p_index].m_entity != NULL) {
 			LegoROI* roi = g_buildingInfo[p_index].m_entity->GetROI();
@@ -418,7 +419,7 @@ void LegoBuildingManager::AdjustHeight(MxS32 p_index)
 		}
 	}
 	else {
-		g_buildingInfo[p_index].m_unk0x014 = g_buildingInfoInit[p_index].m_unk0x014;
+		g_buildingInfo[p_index].m_unk0x14 = g_buildingInfoInit[p_index].m_unk0x14;
 	}
 }
 
@@ -637,7 +638,7 @@ MxBool LegoBuildingManager::FUN_10030030(MxS32 p_index)
 		else {
 			AdjustHeight(p_index);
 			MxMatrix mat = roi->GetLocal2World();
-			mat[3][1] = g_buildingInfo[p_index].m_unk0x014;
+			mat[3][1] = g_buildingInfo[p_index].m_unk0x14;
 			roi->UpdateTransformationRelativeToParent(mat);
 			VideoManager()->Get3DManager()->Moved(*roi);
 		}
@@ -739,7 +740,7 @@ MxResult LegoBuildingManager::Tickle()
 					MxS32 index = info - g_buildingInfo;
 					AdjustHeight(index);
 					MxMatrix mat = entry->m_roi->GetLocal2World();
-					mat[3][1] = g_buildingInfo[index].m_unk0x014;
+					mat[3][1] = g_buildingInfo[index].m_unk0x14;
 					entry->m_roi->UpdateTransformationRelativeToParent(mat);
 					VideoManager()->Get3DManager()->Moved(*entry->m_roi);
 				}
@@ -778,23 +779,87 @@ void LegoBuildingManager::FUN_10030590()
 		if (g_buildingInfo[i].m_entity != NULL) {
 			LegoROI* roi = g_buildingInfo[i].m_entity->GetROI();
 			MxMatrix mat = roi->GetLocal2World();
-			mat[3][1] = g_buildingInfo[i].m_unk0x014;
+			mat[3][1] = g_buildingInfo[i].m_unk0x14;
 			roi->UpdateTransformationRelativeToParent(mat);
 			VideoManager()->Get3DManager()->Moved(*roi);
 		}
 	}
 }
 
-// STUB: LEGO1 0x10030630
+// FUNCTION: LEGO1 0x10030630
+// FUNCTION: BETA10 0x100648ab
 MxResult LegoBuildingManager::FUN_10030630()
 {
+	LegoWorld* world = CurrentWorld();
+
+	if (world == NULL) {
+		return FAILURE;
+	}
+
+	for (MxS32 i = 0; i < sizeOfArray(g_buildingInfo); i++) {
+		if (g_buildingInfo[i].m_entity != NULL && g_buildingInfo[i].m_boundaryName != NULL) {
+			g_buildingInfo[i].m_boundary = world->FindPathBoundary(g_buildingInfo[i].m_boundaryName);
+
+			if (g_buildingInfo[i].m_boundary != NULL) {
+				Mx3DPointFloat position(g_buildingInfo[i].m_x, g_buildingInfo[i].m_y, g_buildingInfo[i].m_z);
+				LegoPathBoundary* boundary = g_buildingInfo[i].m_boundary;
+
+				for (MxS32 j = 0; j < boundary->GetNumEdges(); j++) {
+					Mx4DPointFloat* normal = boundary->GetEdgeNormal(j);
+
+					if (position.Dot(normal, &position) + (*normal)[3] < -0.001) {
+						MxTrace(
+							"Building %d shot location (%g, %g, %g) is not in boundary %s.\n",
+							i,
+							position[0],
+							position[1],
+							position[2],
+							boundary->GetName()
+						);
+						g_buildingInfo[i].m_boundary = NULL;
+						break;
+					}
+				}
+
+				if (g_buildingInfo[i].m_boundary != NULL) {
+					Mx4DPointFloat& unk0x14 = *g_buildingInfo[i].m_boundary->GetUnknown0x14();
+
+					if (position.Dot(&position, &unk0x14) + unk0x14[3] <= 0.001 &&
+						position.Dot(&position, &unk0x14) + unk0x14[3] >= -0.001) {
+						continue;
+					}
+
+					g_buildingInfo[i].m_y =
+						-((unk0x14[3] + unk0x14[0] * position[0] + unk0x14[2] * position[2]) / unk0x14[1]);
+
+					MxTrace(
+						"Building %d shot location (%g, %g, %g) is not on plane of boundary %s...adjusting to (%g, %g, "
+						"%g)\n",
+						i,
+						position[0],
+						position[1],
+						position[2],
+						g_buildingInfo[i].m_boundary->GetName(),
+						position[0],
+						g_buildingInfo[i].m_y,
+						position[2]
+					);
+				}
+			}
+			else {
+				MxTrace("Building %d is in boundary %s that does not exist.\n", i, g_buildingInfo[i].m_boundaryName);
+			}
+		}
+	}
+
+	m_unk0x09 = TRUE;
 	return SUCCESS;
 }
 
 // FUNCTION: LEGO1 0x10030790
 LegoBuildingInfo* LegoBuildingManager::GetInfoArray(MxS32& p_length)
 {
-	if (m_unk0x09 == 0) {
+	if (!m_unk0x09) {
 		FUN_10030630();
 	}
 
diff --git a/LEGO1/lego/sources/geom/legoweedge.h b/LEGO1/lego/sources/geom/legoweedge.h
index a63eb50e..e8436427 100644
--- a/LEGO1/lego/sources/geom/legoweedge.h
+++ b/LEGO1/lego/sources/geom/legoweedge.h
@@ -16,6 +16,7 @@ class LegoWEEdge {
 
 	virtual LegoResult VTable0x04(); // vtable+0x04
 
+	// FUNCTION: BETA10 0x1001c980
 	LegoU8 GetNumEdges() { return m_numEdges; }
 
 	// FUNCTION: BETA10 0x1001cc30
diff --git a/LEGO1/lego/sources/geom/legowegedge.h b/LEGO1/lego/sources/geom/legowegedge.h
index 98a41433..728d7ade 100644
--- a/LEGO1/lego/sources/geom/legowegedge.h
+++ b/LEGO1/lego/sources/geom/legowegedge.h
@@ -46,6 +46,7 @@ class LegoWEGEdge : public LegoWEEdge {
 	// FUNCTION: BETA10 0x1001ff80
 	Mx4DPointFloat* GetUnknown0x14() { return &m_unk0x14; }
 
+	// FUNCTION: BETA10 0x1001ca10
 	Mx4DPointFloat* GetEdgeNormal(int index) { return &m_edgeNormals[index]; }
 
 	// FUNCTION: BETA10 0x1001c9b0