Don't rotate static game tiles and fix switch rotation

Should be handy for mapping.
Can be disabled by activating unused tiles (don't think it's worth a separate toggle and if you want to do it, you're doing something unusal)

src/game/editor/editor.h

@@ -1135,6 +1135,9 @@ public:
 	virtual void Resize(int NewW, int NewH);
 	virtual void Shift(int Direction);
 	virtual void BrushDraw(CLayer *pBrush, float wx, float wy);
+	virtual void BrushFlipX();
+	virtual void BrushFlipY();
+	virtual void BrushRotate(float Amount);
 	virtual void FillSelection(bool Empty, CLayer *pBrush, CUIRect Rect);
 };
 

src/game/editor/layer_tiles.cpp

@@ -445,8 +445,15 @@ void CLayerTiles::BrushFlipX()
 			m_pTiles[y*m_Width+m_Width-1-x] = Tmp;
 		}
 
+	if(m_Tele || m_Switch || m_Speedup || m_Tune)
+		return;
+
+	bool Rotate = !(m_Game || m_Front) || m_pEditor->m_AllowPlaceUnusedTiles;
 	for(int y = 0; y < m_Height; y++)
 		for(int x = 0; x < m_Width; x++)
+			if(!Rotate && !IsRotatableTile(m_pTiles[y*m_Width+x].m_Index))
+				m_pTiles[y*m_Width+x].m_Flags = 0;
+			else
 				m_pTiles[y*m_Width+x].m_Flags ^= m_pTiles[y*m_Width+x].m_Flags&TILEFLAG_ROTATE ? TILEFLAG_HFLIP : TILEFLAG_VFLIP;
 }
 
@@ -460,8 +467,15 @@ void CLayerTiles::BrushFlipY()
 			m_pTiles[(m_Height-1-y)*m_Width+x] = Tmp;
 		}
 
+	if(m_Tele || m_Switch || m_Speedup || m_Tune)
+		return;
+
+	bool Rotate = !(m_Game || m_Front) || m_pEditor->m_AllowPlaceUnusedTiles;
 	for(int y = 0; y < m_Height; y++)
 		for(int x = 0; x < m_Width; x++)
+			if(!Rotate && !IsRotatableTile(m_pTiles[y*m_Width+x].m_Index))
+				m_pTiles[y*m_Width+x].m_Flags = 0;
+			else
 				m_pTiles[y*m_Width+x].m_Flags ^= m_pTiles[y*m_Width+x].m_Flags&TILEFLAG_ROTATE ? TILEFLAG_VFLIP : TILEFLAG_HFLIP;
 }
 
@@ -477,14 +491,20 @@ void CLayerTiles::BrushRotate(float Amount)
 		CTile *pTempData = new CTile[m_Width*m_Height];
 		mem_copy(pTempData, m_pTiles, m_Width*m_Height*sizeof(CTile));
 		CTile *pDst = m_pTiles;
+		bool Rotate = !(m_Game || m_Front) || m_pEditor->m_AllowPlaceUnusedTiles;
 		for(int x = 0; x < m_Width; ++x)
 			for(int y = m_Height-1; y >= 0; --y, ++pDst)
 			{
 				*pDst = pTempData[y*m_Width+x];
+				if(!Rotate && !IsRotatableTile(pDst->m_Index))
+					pDst->m_Flags = 0;
+				else
+				{
 					if(pDst->m_Flags&TILEFLAG_ROTATE)
 						pDst->m_Flags ^= (TILEFLAG_HFLIP|TILEFLAG_VFLIP);
 					pDst->m_Flags ^= TILEFLAG_ROTATE;
 				}
+			}
 
 		int Temp = m_Width;
 		m_Width = m_Height;
@@ -1654,6 +1674,68 @@ void CLayerSwitch::BrushDraw(CLayer *pBrush, float wx, float wy)
 	FlagModified(sx, sy, l->m_Width, l->m_Height);
 }
 
+void CLayerSwitch::BrushFlipX()
+{
+	CLayerTiles::BrushFlipX();
+
+	for(int y = 0; y < m_Height; y++)
+		for(int x = 0; x < m_Width/2; x++)
+		{
+			CSwitchTile Tmp = m_pSwitchTile[y*m_Width+x];
+			m_pSwitchTile[y*m_Width+x] = m_pSwitchTile[y*m_Width+m_Width-1-x];
+			m_pSwitchTile[y*m_Width+m_Width-1-x] = Tmp;
+		}
+}
+
+void CLayerSwitch::BrushFlipY()
+{
+	CLayerTiles::BrushFlipY();
+
+	for(int y = 0; y < m_Height/2; y++)
+		for(int x = 0; x < m_Width; x++)
+		{
+			CSwitchTile Tmp = m_pSwitchTile[y*m_Width+x];
+			m_pSwitchTile[y*m_Width+x] = m_pSwitchTile[(m_Height-1-y)*m_Width+x];
+			m_pSwitchTile[(m_Height-1-y)*m_Width+x] = Tmp;
+		}
+}
+
+void CLayerSwitch::BrushRotate(float Amount)
+{
+	int Rotation = (round_to_int(360.0f*Amount/(pi*2))/90)%4;	// 0=0°, 1=90°, 2=180°, 3=270°
+	if(Rotation < 0)
+		Rotation +=4;
+
+	if(Rotation == 1 || Rotation == 3)
+	{
+		// 90° rotation
+		CSwitchTile *pTempData1 = new CSwitchTile[m_Width*m_Height];
+		CTile *pTempData2 = new CTile[m_Width*m_Height];
+		mem_copy(pTempData1, m_pSwitchTile, m_Width*m_Height*sizeof(CSwitchTile));
+		mem_copy(pTempData2, m_pTiles, m_Width*m_Height*sizeof(CTile));
+		CSwitchTile *pDst1 = m_pSwitchTile;
+		CTile *pDst2 = m_pTiles;
+		for(int x = 0; x < m_Width; ++x)
+			for(int y = m_Height-1; y >= 0; --y, ++pDst1, ++pDst2)
+			{
+				*pDst1 = pTempData1[y*m_Width+x];
+				*pDst2 = pTempData2[y*m_Width+x];
+			}
+
+		int Temp = m_Width;
+		m_Width = m_Height;
+		m_Height = Temp;
+		delete[] pTempData1;
+		delete[] pTempData2;
+	}
+
+	if(Rotation == 2 || Rotation == 3)
+	{
+		BrushFlipX();
+		BrushFlipY();
+	}
+}
+
 void CLayerSwitch::FillSelection(bool Empty, CLayer *pBrush, CUIRect Rect)
 {
 	if(m_Readonly || (!Empty && pBrush->m_Type != LAYERTYPE_TILES))

src/game/mapitems.cpp

@@ -91,3 +91,18 @@ bool IsValidEntity(int Index)
 		||  Index == ENTITY_DOOR
 	);
 }
+
+bool IsRotatableTile(int Index)
+{
+	return (
+		    Index == TILE_STOP
+		||  Index == TILE_STOPS
+		||  Index == TILE_CP
+		||  Index == TILE_CP_F
+		||  Index == TILE_THROUGH_DIR
+		||  Index == TILE_ENTITIES_OFF_1
+		||  Index == TILE_ENTITIES_OFF_2
+		||  Index - ENTITY_OFFSET == ENTITY_CRAZY_SHOTGUN_EX
+		||  Index - ENTITY_OFFSET == ENTITY_CRAZY_SHOTGUN
+	);
+}

src/game/mapitems.h

@@ -472,5 +472,6 @@ bool IsValidTeleTile(int Index);
 bool IsValidSpeedupTile(int Index);
 bool IsValidSwitchTile(int Index);
 bool IsValidEntity(int Index);
+bool IsRotatableTile(int Index);
 
 #endif