Interactive actions now allows displaying images.

For more info, see http://thepit.ja-galaxy-forum.com/index.php?t=msg&th=23144&goto=363478&#msg_363478

GameDir >= r2597 recommended.

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@9131 3b4a5df2-a311-0410-b5c6-a8a6f20db521

Strategic/LuaInitNPCs.cpp

@@ -878,6 +878,7 @@ static int l_SetSamSiteHackStatus( lua_State *L );
 static int l_GetSamSiteHackStatus( lua_State *L );
 
 static int l_SetMiniGameType( lua_State *L );
+static int l_DisplayPictureTactical( lua_State *L );
 static int l_SoldierSpendMoney( lua_State *L );
 
 static int l_SetAdditionalDialogue( lua_State *L );
@@ -1772,6 +1773,7 @@ void IniFunction(lua_State *L, BOOLEAN bQuests )
 	lua_register( L, "GetSamSiteHackStatus", l_GetSamSiteHackStatus );
 
 	lua_register( L, "SetMiniGameType", l_SetMiniGameType );
+	lua_register( L, "DisplayPictureTactical", l_DisplayPictureTactical );
 	lua_register( L, "SoldierSpendMoney", l_SoldierSpendMoney );
 
 	lua_register( L, "SetAdditionalDialogue", l_SetAdditionalDialogue );
@@ -13247,6 +13249,27 @@ static int l_SetMiniGameType( lua_State *L )
 	return 0;
 }
 
+static int l_DisplayPictureTactical( lua_State *L )
+{
+	if ( lua_gettop( L ) >= 2 )
+	{
+		size_t len = 0;
+		const char* str = lua_tolstring( L, 1, &len );
+		bool stretch = lua_tointeger( L, 2 );
+		
+		if ( guiCurrentScreen == GAME_SCREEN
+			&& (std::strstr(str, ".png") != NULL || std::strstr( str, ".PNG" ) != NULL ) )
+		{
+			SetInteractivePicture( str, stretch );
+
+			SetNextGame( PICTURE );
+			SetPendingNewScreen( MINIGAME_SCREEN );
+		}
+	}
+
+	return 0;
+}
+
 static int l_SoldierSpendMoney( lua_State *L )
 {
 	if ( lua_gettop( L ) >= 2 )

Tactical/MiniGame.h

@@ -13,6 +13,7 @@ enum
 
 	TETRIS = MINIGAME_FIRST,
 	PONG,
+	PICTURE,
 
 	MINIGAME_MAX,
 };
@@ -38,4 +39,8 @@ UINT32 MiniGame_Handle_Tetris();
 void MiniGame_Init_Pong( );
 UINT32 MiniGame_Handle_Pong( );
 
+void SetInteractivePicture( std::string aStr, bool aVal );
+void MiniGame_Init_Picture();
+UINT32 MiniGame_Handle_Picture();
+
 #endif //__MINIGAME_H

Tactical/Minigame.cpp

@@ -81,6 +81,10 @@ void MiniGameDataInit()
 			MiniGame_Init_Pong( );
 			break;
 
+		case PICTURE:
+			MiniGame_Init_Picture();
+			break;
+
 		default:
 			break;
 		}
@@ -130,6 +134,10 @@ UINT32	MiniGameScreenHandle( void )
 		return MiniGame_Handle_Pong( );
 		break;
 
+	case PICTURE:
+		return MiniGame_Handle_Picture();
+		break;
+
 	default:
 		break;
 	}
@@ -142,7 +150,7 @@ UINT32	MiniGameScreenShutdown( void )
 	return TRUE;
 }
 
-void DisplayPNGImage( SGPRect aDstRect, std::string& arStrImage )
+void DisplayPNGImage( SGPRect aDstRect, std::string& arStrImage, bool aStretch )
 {
 	VSURFACE_DESC		vs_desc = {};
 	HVSURFACE			hVSurface;
@@ -164,6 +172,24 @@ void DisplayPNGImage( SGPRect aDstRect, std::string& arStrImage )
 		SrcRect.iRight = hVSurface->usWidth;
 		SrcRect.iBottom = hVSurface->usHeight;
 
+		// if we're not supposed to stretch it, alter aDstRect
+		INT32 width = SrcRect.iRight - SrcRect.iLeft;
+		INT32 height = SrcRect.iBottom - SrcRect.iTop;
+
+		INT32 width_dest = aDstRect.iRight - aDstRect.iLeft;
+		INT32 height_dest = aDstRect.iBottom - aDstRect.iTop; 
+		
+		if ( !aStretch || width > width_dest || height > height_dest )
+		{
+			if ( width > 0 && height > 0 )
+			{
+				aDstRect.iLeft   = max(0, ( aDstRect.iRight + aDstRect.iLeft ) / 2 - width / 2 );
+				aDstRect.iRight  = min( aDstRect.iRight, aDstRect.iLeft + width);
+				aDstRect.iTop	 = max(0, ( aDstRect.iBottom + aDstRect.iTop ) / 2 - height / 2 );
+				aDstRect.iBottom = min( aDstRect.iBottom, aDstRect.iTop + height );
+			}
+		}
+
 		BltStretchVideoSurface( FRAME_BUFFER, uiLoadScreen, 0, 0, 0, &SrcRect, &aDstRect );
 
 		DeleteVideoSurfaceFromIndex( uiLoadScreen );
@@ -412,7 +438,7 @@ UINT32 MiniGame_Handle_Tetris()
 			else if ( gMiniGameState == MINIGAME_GAMEOVER )
 				strImage = "Interface\\background_tetris_gameover.png";
 
-			DisplayPNGImage( backgroundrect, strImage );
+			DisplayPNGImage( backgroundrect, strImage, false );
 
 			gMiniGameRenewBackground = FALSE;
 		}
@@ -1417,7 +1443,7 @@ UINT32 MiniGame_Handle_Pong()
 			else if ( gMiniGameState == MINIGAME_GAMEOVER )
 				strImage = "Interface\\background_tetris_gameover.png";
 
-			DisplayPNGImage( backgroundrect, strImage );
+			DisplayPNGImage( backgroundrect, strImage, false );
 
 			gMiniGameRenewBackground = FALSE;
 		}
@@ -2464,3 +2490,41 @@ UINT32 MiniGame_Handle_Pong()
 	return MINIGAME_SCREEN;
 }
 ////////////////////////////////////////////// PONG //////////////////////////////////////////////
+
+////////////////////////////////////////////// PICTURE //////////////////////////////////////////////
+// We display a picture. That's it.
+
+std::string gstrInteractivePictureDisplay = "Interface\\background_tetris_startscreen.png";
+bool gstrInteractivePictureStretch = false;
+
+void SetInteractivePicture( std::string aStr, bool aVal ) { gstrInteractivePictureDisplay = aStr; gstrInteractivePictureStretch = aVal; }
+
+void MiniGame_Init_Picture()
+{
+	gMiniGameRenewBackground = TRUE;
+}
+
+UINT32 MiniGame_Handle_Picture()
+{
+	// coordinates for the background rectangle
+	if ( gMiniGameRenewBackground )
+	{
+		SGPRect backgroundrect;
+		backgroundrect.iLeft = 0;
+		backgroundrect.iTop = 0;
+		backgroundrect.iRight = ( SCREEN_WIDTH - 0 );
+		backgroundrect.iBottom = ( SCREEN_HEIGHT - 0 );
+
+		// background: display a png picture
+		DisplayPNGImage( backgroundrect, gstrInteractivePictureDisplay, gstrInteractivePictureStretch );
+
+		gMiniGameRenewBackground = FALSE;
+	}
+				
+	InvalidateScreen();
+
+	SetCurrentCursorFromDatabase( VIDEO_NO_CURSOR );
+
+	return MINIGAME_SCREEN;
+}
+////////////////////////////////////////////// PICTURE //////////////////////////////////////////////

Tactical/Structure Wrap.cpp

@@ -599,11 +599,49 @@ UINT16 InteractiveActionPossibleAtGridNo( INT32 sGridNo, UINT8 usLevel, UINT16&
 {
 	arusStructIndex = 0;
 
-	STRUCTURE * pStruct = FindStructure( sGridNo, (STRUCTURE_GENERIC) );
+	if ( TileIsOutOfBounds( sGridNo ) )
+		return INTERACTIVE_STRUCTURE_NO_ACTION; 
+	
+	INT32 tmpgridno = 0;
+	UINT16 structurenumber = 0;
+	INT32 structuregridno = NOWHERE;
+	UINT32 uiTileType = 0;
+	bool properdatafound( false );
+
+	STRUCTURE* pStruct = FindStructure( sGridNo, ( STRUCTURE_GENERIC ) );
+
+	// Wall decorations are on the gridno of the wall. This can be problematic if this gridno is 'behind' the wall, because then we might not find a path.
+	// Thus we need to check for decorations on these walls
+	if ( !pStruct )
+	{
+		tmpgridno = NewGridNo( sGridNo, DirectionInc( NORTH ) );
+
+		pStruct = GetStructForLevelNodeOfTypeRange( tmpgridno, FIRSTDECORATIONS, FOURTHDECORATIONS );
+
+		// if struct is found but has wrong orientation, ignore it
+		if ( pStruct
+			&& pStruct->ubWallOrientation != OUTSIDE_TOP_LEFT
+			&& pStruct->ubWallOrientation != INSIDE_TOP_LEFT )
+			pStruct = NULL;
+	}
+
+	if ( !pStruct )
+	{
+		tmpgridno = NewGridNo( sGridNo, DirectionInc( WEST ) );
+
+		pStruct = GetStructForLevelNodeOfTypeRange( tmpgridno, FIRSTDECORATIONS, FOURTHDECORATIONS );
+
+		// if struct is found but has wrong orientation, ignore it
+		if ( pStruct
+			&& pStruct->ubWallOrientation != OUTSIDE_TOP_RIGHT
+			&& pStruct->ubWallOrientation != INSIDE_TOP_RIGHT )
+			pStruct = NULL;
+	}
+
 	if ( pStruct )
 	{
 		// if this is a multi-tile structure, be sure to use the base gridno
-		if ( !(pStruct->fFlags & STRUCTURE_BASE_TILE) )
+		if ( !( pStruct->fFlags & STRUCTURE_BASE_TILE ) )
 		{
 			pStruct = FindBaseStructure( pStruct );
 
@@ -611,114 +649,141 @@ UINT16 InteractiveActionPossibleAtGridNo( INT32 sGridNo, UINT8 usLevel, UINT16&
 				return INTERACTIVE_STRUCTURE_NO_ACTION;
 		}
 
+		structuregridno = pStruct->sGridNo;
+		structurenumber = pStruct->pDBStructureRef->pDBStructure->usStructureNumber;
+
 		LEVELNODE* pNode = FindLevelNodeBasedOnStructure( pStruct->sGridNo, pStruct );
-		
+
-		if ( pNode )
+		if ( pNode
+			&& GetTileType( pNode->usIndex, &uiTileType ) )
 		{
-			UINT16 usIndex = pNode->usIndex;
+			properdatafound = true;
-			UINT32 uiTileType = 0;
+		}
-			if ( GetTileType( usIndex, &uiTileType ) )
+	}
+	
+	// With Decals we don't have structuredata for the node. Thus we have to work around that by getting the data from the TileElem
+	if ( !properdatafound )
+	{
+		tmpgridno = NewGridNo( sGridNo, DirectionInc( NORTH ) );
+
+		if ( GetTypeRegionIndexForLevelNodeOfTypeRange( tmpgridno, FIRSTWALLDECAL, FOURTHWALLDECAL, uiTileType, structurenumber )
+			|| GetTypeRegionIndexForLevelNodeOfTypeRange( tmpgridno, FIFTHWALLDECAL, EIGTHWALLDECAL, uiTileType, structurenumber ) )
+		{
+			properdatafound = true;
+		}
+	}
+
+	if ( !properdatafound )
+	{
+		tmpgridno = NewGridNo( sGridNo, DirectionInc( WEST ) );
+
+		if ( GetTypeRegionIndexForLevelNodeOfTypeRange( tmpgridno, FIRSTWALLDECAL, FOURTHWALLDECAL, uiTileType, structurenumber )
+			|| GetTypeRegionIndexForLevelNodeOfTypeRange( tmpgridno, FIFTHWALLDECAL, EIGTHWALLDECAL, uiTileType, structurenumber ) )
+		{
+			properdatafound = true;
+		}
+	}
+
+	if ( properdatafound )
+	{
+		// we loop over each action and determine whether it fits
+		// multiple actions can fit, we chose whatever fits best
+		// So, for example, we can set computers everywhere to be hackable with a generic result, and then define more precise results on specific computers
+		// Other example: With just oen entry, with neither sector nor location set, we can make all water taps drinkable
+		BOOLEAN foundmatch_precise	= FALSE;
+		BOOLEAN foundmatch_sector	= FALSE;
+		BOOLEAN foundmatch_any		= FALSE;
+
+		UINT8 sector = SECTOR( gWorldSectorX, gWorldSectorY );
+
+		int foundindex = 0;
+		if ( gTilesets[giCurrentTilesetID].TileSurfaceFilenames[uiTileType][0] )
+		{
+			for ( int i = 0; i < gMaxInteractiveStructureRead; ++i )
 			{
-				// we loop over each action and determine whether it fits
+				if ( !_strnicmp( gTilesets[giCurrentTilesetID].TileSurfaceFilenames[uiTileType], gInteractiveStructure[i].szTileSetName, 11 ) )
-				// multiple actions can fit, we chose whatever fits best
-				// So, for example, we can set computers everywhere to be hackable with a generci result, and then define more precise results on specific computers
-				// Other example: With just oen entry, with neither sector nor location set, we can make all water taps drinkable
-				BOOLEAN foundmatch_precise	= FALSE;
-				BOOLEAN foundmatch_sector	= FALSE;
-				BOOLEAN foundmatch_any		= FALSE;
-
-				UINT8 sector = SECTOR( gWorldSectorX, gWorldSectorY );
-
-				int foundindex = 0;
-				if ( gTilesets[giCurrentTilesetID].TileSurfaceFilenames[uiTileType][0] )
 				{
-					for ( int i = 0; i < gMaxInteractiveStructureRead; ++i )
+					std::vector<UINT16> tmpvec = gInteractiveStructure[i].tileindexvector;
+
+					std::vector<UINT16>::iterator it = std::find( tmpvec.begin( ), tmpvec.end( ), structurenumber );
+
+					if ( it != tmpvec.end( ) )
 					{
-						if ( !_strnicmp( gTilesets[giCurrentTilesetID].TileSurfaceFilenames[uiTileType], gInteractiveStructure[i].szTileSetName, 11 ) )
+						if ( gInteractiveStructure[i].sector == sector && gInteractiveStructure[i].sectorlevel == gbWorldSectorZ )
 						{
-							std::vector<UINT16> tmpvec = gInteractiveStructure[i].tileindexvector;
+							foundmatch_sector = TRUE;
+							foundindex = i;
 
-							std::vector<UINT16>::iterator it = std::find( tmpvec.begin( ), tmpvec.end( ), pStruct->pDBStructureRef->pDBStructure->usStructureNumber );
+							if ( gInteractiveStructure[i].sLevel == usLevel || gInteractiveStructure[i].sLevel == -1 )
-
-							if ( it != tmpvec.end( ) )
 							{
-								if ( gInteractiveStructure[i].sector == sector && gInteractiveStructure[i].sectorlevel == gbWorldSectorZ )
+								std::vector<INT32> tmpgridnovec = gInteractiveStructure[i].gridnovector;
+
+								std::vector<INT32>::iterator it_gridno = std::find( tmpgridnovec.begin( ), tmpgridnovec.end( ), structuregridno );
+
+								if ( it_gridno != tmpgridnovec.end( ) )
 								{
-									foundmatch_sector = TRUE;
+									foundmatch_precise = TRUE;
-									foundindex = i;
+									break;
-
-									if ( gInteractiveStructure[i].sLevel == usLevel || gInteractiveStructure[i].sLevel == -1 )
-									{
-										std::vector<INT32> tmpgridnovec = gInteractiveStructure[i].gridnovector;
-
-										std::vector<INT32>::iterator it_gridno = std::find( tmpgridnovec.begin( ), tmpgridnovec.end( ), pStruct->sGridNo );
-
-										if ( it_gridno != tmpgridnovec.end( ) )
-										{
-											foundmatch_precise = TRUE;
-											break;
-										}
-									}
-								}
-								// some actions cen be defined everywhere
-								else if ( !foundmatch_sector && gInteractiveStructure[i].sector == -1 && gInteractiveStructure[i].sectorlevel == -1 )
-								{
-									foundmatch_any = TRUE;
-									foundindex = i;
 								}
 							}
 						}
-					}
+						// some actions cen be defined everywhere
-				}
+						else if ( !foundmatch_sector && gInteractiveStructure[i].sector == -1 && gInteractiveStructure[i].sectorlevel == -1 )
-				// otherwise, check first tileset (GENERIC 1)
-				else if ( gTilesets[0].TileSurfaceFilenames[uiTileType][0] )
-				{
-					for ( int i = 0; i < gMaxInteractiveStructureRead; ++i )
-					{
-						if ( !_strnicmp( gTilesets[0].TileSurfaceFilenames[uiTileType], gInteractiveStructure[i].szTileSetName, 11 ) )
 						{
-							std::vector<UINT16> tmpvec = gInteractiveStructure[i].tileindexvector;
+							foundmatch_any = TRUE;
-
+							foundindex = i;
-							std::vector<UINT16>::iterator it = std::find( tmpvec.begin( ), tmpvec.end( ), pStruct->pDBStructureRef->pDBStructure->usStructureNumber );
-
-							if ( it != tmpvec.end() )
-							{
-								if ( gInteractiveStructure[i].sector == sector && gInteractiveStructure[i].sectorlevel == gbWorldSectorZ )
-								{
-									foundmatch_sector = TRUE;
-									foundindex = i;
-
-									if ( gInteractiveStructure[i].sLevel == usLevel || gInteractiveStructure[i].sLevel == -1 )
-									{
-										std::vector<INT32> tmpgridnovec = gInteractiveStructure[i].gridnovector;
-
-										std::vector<INT32>::iterator it_gridno = std::find( tmpgridnovec.begin( ), tmpgridnovec.end( ), pStruct->sGridNo );
-
-										if ( it_gridno != tmpgridnovec.end() )
-										{
-											foundmatch_precise = TRUE;
-											break;
-										}
-									}
-								}
-								else if ( !foundmatch_sector && gInteractiveStructure[i].sector == -1 && gInteractiveStructure[i].sectorlevel == -1 )
-								{
-									foundmatch_any = TRUE;
-									foundindex = i;
-								}
-							}
 						}
 					}
 				}
-
-				if ( foundmatch_any || foundmatch_sector || foundmatch_precise )
-				{
-					arusStructIndex = foundindex;
-
-					return gInteractiveStructure[foundindex].sActionType;
-				}
 			}
 		}
+		// otherwise, check first tileset (GENERIC 1)
+		else if ( gTilesets[0].TileSurfaceFilenames[uiTileType][0] )
+		{
+			for ( int i = 0; i < gMaxInteractiveStructureRead; ++i )
+			{
+				if ( !_strnicmp( gTilesets[0].TileSurfaceFilenames[uiTileType], gInteractiveStructure[i].szTileSetName, 11 ) )
+				{
+					std::vector<UINT16> tmpvec = gInteractiveStructure[i].tileindexvector;
+
+					std::vector<UINT16>::iterator it = std::find( tmpvec.begin( ), tmpvec.end( ), structurenumber );
+
+					if ( it != tmpvec.end() )
+					{
+						if ( gInteractiveStructure[i].sector == sector && gInteractiveStructure[i].sectorlevel == gbWorldSectorZ )
+						{
+							foundmatch_sector = TRUE;
+							foundindex = i;
+
+							if ( gInteractiveStructure[i].sLevel == usLevel || gInteractiveStructure[i].sLevel == -1 )
+							{
+								std::vector<INT32> tmpgridnovec = gInteractiveStructure[i].gridnovector;
+
+								std::vector<INT32>::iterator it_gridno = std::find( tmpgridnovec.begin( ), tmpgridnovec.end( ), structuregridno );
+
+								if ( it_gridno != tmpgridnovec.end() )
+								{
+									foundmatch_precise = TRUE;
+									break;
+								}
+							}
+						}
+						else if ( !foundmatch_sector && gInteractiveStructure[i].sector == -1 && gInteractiveStructure[i].sectorlevel == -1 )
+						{
+							foundmatch_any = TRUE;
+							foundindex = i;
+						}
+					}
+				}
+			}
+		}
+
+		if ( foundmatch_any || foundmatch_sector || foundmatch_precise )
+		{
+			arusStructIndex = foundindex;
+
+			return gInteractiveStructure[foundindex].sActionType;
+		}
 	}
 
 	return INTERACTIVE_STRUCTURE_NO_ACTION;

TileEngine/tiledef.cpp

@@ -1098,6 +1098,16 @@ BOOLEAN	GetTileFlags( UINT16 usIndex, UINT32 *puiFlags )
 	return( TRUE );
 }
 
+BOOLEAN	GetTileRegionIndex( UINT16 usIndex, UINT16& arRegionIndex )
+{
+	CHECKF( usIndex != NO_TILE );
+	CHECKF( usIndex < giNumberOfTiles ); //lal bugfix
+	
+	arRegionIndex = gTileDatabase[usIndex].usRegionIndex;
+
+	return( TRUE );
+}
+
 BOOLEAN	GetTileTypeLogicalHeight( UINT32 fType, UINT8 *pubLogHeight )
 {
 	*pubLogHeight = gTileTypeLogicalHeight[ fType ];

TileEngine/tiledef.h

@@ -230,6 +230,7 @@ BOOLEAN GetTypeSubIndexFromTileIndexChar( UINT32 uiCheckType, UINT16 usIndex, UI
 BOOLEAN	GetTileIndexFromTypeSubIndex( UINT32 uiCheckType, UINT16 usSubIndex, UINT16 *pusTileIndex );
 BOOLEAN	GetTileType( UINT16 usIndex, UINT32 *puiType );
 BOOLEAN	GetTileFlags( UINT16 usIndex, UINT32 *puiFlags );
+BOOLEAN	GetTileRegionIndex( UINT16 usIndex, UINT16& arRegionIndex );
 
 BOOLEAN	GetTileTypeLogicalHeight( UINT32 fType, UINT8 *pubLogHeight );
 BOOLEAN AnyHeigherLand( UINT32 iMapIndex, UINT32 uiSrcType, UINT8 *pubLastLevel );

TileEngine/worldman.cpp

@@ -1790,6 +1790,61 @@ BOOLEAN RemoveAllStructsOfTypeRange( INT32 iMapIndex, UINT32 fStartType, UINT32
 	return fRetVal;
 }
 
+STRUCTURE* GetStructForLevelNodeOfTypeRange( INT32 iMapIndex, UINT32 fStartType, UINT32 fEndType )
+{
+	if ( TileIsOutOfBounds( iMapIndex ) )
+		return NULL;
+
+	UINT32 fTileType;
+
+	LEVELNODE* pLevelNode = gpWorldLevelData[iMapIndex].pStructHead;
+
+	// Look through all structs and Search for type
+	while ( pLevelNode != NULL )
+	{
+		if ( pLevelNode->usIndex != NO_TILE )
+		{
+			GetTileType( pLevelNode->usIndex, &fTileType );
+			
+			if ( fTileType >= fStartType && fTileType <= fEndType )
+			{
+				return pLevelNode->pStructureData;
+			}
+		}
+
+		pLevelNode = pLevelNode->pNext;
+	}
+
+	return NULL;
+}
+
+bool GetTypeRegionIndexForLevelNodeOfTypeRange( INT32 iMapIndex, UINT32 fStartType, UINT32 fEndType, UINT32& arTileType, UINT16& arRegionIndex )
+{
+	if ( TileIsOutOfBounds( iMapIndex ) )
+		return NULL;
+	
+	LEVELNODE* pLevelNode = gpWorldLevelData[iMapIndex].pStructHead;
+
+	// Look through all structs and Search for type
+	while ( pLevelNode != NULL )
+	{
+		if ( pLevelNode->usIndex != NO_TILE )
+		{
+			GetTileType( pLevelNode->usIndex, &arTileType );
+
+			if ( arTileType >= fStartType && arTileType <= fEndType
+				&& GetTileRegionIndex( pLevelNode->usIndex, arRegionIndex ) )
+			{
+				return true;
+			}
+		}
+
+		pLevelNode = pLevelNode->pNext;
+	}
+
+	return false;
+}
+
 // Flugente: permanently remove structures
 BOOLEAN RemoveAllRoofsOfTypeRangeAdjustSaveFile( INT32 iMapIndex, UINT32 fStartType, UINT32 fEndType )
 {

TileEngine/worldman.h

@@ -85,6 +85,8 @@ LEVELNODE *ForceStructToTail( INT32 iMapIndex, UINT16 usIndex );
 BOOLEAN AddStructToHead( INT32 iMapIndex, UINT16 usIndex );
 BOOLEAN TypeExistsInStructLayer( INT32 iMapIndex, UINT32 fType, UINT16 *pusStructIndex );
 BOOLEAN RemoveAllStructsOfTypeRange( INT32 iMapIndex, UINT32 fStartType, UINT32 fEndType );
+STRUCTURE* GetStructForLevelNodeOfTypeRange( INT32 iMapIndex, UINT32 fStartType, UINT32 fEndType );
+bool GetTypeRegionIndexForLevelNodeOfTypeRange( INT32 iMapIndex, UINT32 fStartType, UINT32 fEndType, UINT32& arTileType, UINT16& arRegionIndex );
 
 // Flugente: permanently remove structures
 BOOLEAN RemoveAllRoofsOfTypeRangeAdjustSaveFile( INT32 iMapIndex, UINT32 fStartType, UINT32 fEndType );