Fade transition added to bridge fade layer and upper foreground layer as well

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

Crawler/Crawler.cpp

@@ -806,6 +806,11 @@ void Crawler::RenderWorld(float fElapsedTime){
 				}
 			}
 		}
+		if(bridgeLayerFade){
+			bridgeFadeFactor=std::min(bridgeFadeFactor+fElapsedTime,TileGroup::FADE_TIME);
+		}else{
+			bridgeFadeFactor=std::max(bridgeFadeFactor-fElapsedTime,0.f);
+		}
 	#pragma endregion
 	//DrawDecal({0,0},MAP_TILESETS["assets/maps/"+MAP_DATA[LEVEL1].TilesetData[1].data["source"]]->Decal());
 	std::vector<Monster*>monstersBeforeLower,monstersAfterLower,monstersBeforeUpper,monstersAfterUpper;
@@ -878,7 +883,7 @@ void Crawler::RenderWorld(float fElapsedTime){
 							int tileSheetIndex=tileID-(tileSheet.firstgid-1);
 							int tileSheetX=tileSheetIndex%tileSheetWidth;
 							int tileSheetY=tileSheetIndex/tileSheetWidth;
-							view.DrawPartialDecal(vi2d{x,y}*24,{24,24},tileSheet.tileset.tileset->Decal(),vi2d{tileSheetX,tileSheetY}*24,{24,24},{255,255,255,uint8_t(bridgeLayerFade?128:255)});
+							view.DrawPartialDecal(vi2d{x,y}*24,{24,24},tileSheet.tileset.tileset->Decal(),vi2d{tileSheetX,tileSheetY}*24,{24,24},{255,255,255,uint8_t(255-bridgeFadeFactor/TileGroup::FADE_TIME*TileGroup::FADE_AMT)});
 							#ifdef DEBUG_COLLISIONS
 								if(tileSheet.tileset.collision.find(tileSheetIndex)!=tileSheet.tileset.collision.end()){
 									geom2d::rect<int>collision=tileSheet.tileset.collision[tileSheetIndex].collision;
@@ -912,15 +917,15 @@ void Crawler::RenderWorld(float fElapsedTime){
 	}
 	#pragma region Upper Foreground Rendering
 		for(TileGroup&group:upperForegroundTileGroups){
-			if(geom2d::overlaps(group.GetRange(),player.pos)){
+			if(geom2d::overlaps(group.GetFadeRange(),player.pos)){
 					group.playerBehind=true;
+					group.fadeFactor=std::min(group.fadeFactor+fElapsedTime,TileGroup::FADE_TIME);
 				} else {
 					group.playerBehind=false;
+					group.fadeFactor=std::max(group.fadeFactor-fElapsedTime,0.f);
 				}
-			if(view.IsRectVisible(group.GetRange().pos,group.GetRange().size)){
 				for(TileRenderData&tile:group.GetTiles()){
-					view.DrawPartialDecal(tile.pos,{24,24},tile.tileset,tile.tileSheetPos,{24,24},{255,255,255,uint8_t(group.playerBehind?128:255)});
-				}
+					view.DrawPartialDecal(tile.pos,{24,24},tile.tileset,tile.tileSheetPos,{24,24},{255,255,255,uint8_t(255-group.fadeFactor/TileGroup::FADE_TIME*TileGroup::FADE_AMT)});
 				}
 		}
 	#pragma endregion

Crawler/Crawler.h

@@ -41,6 +41,7 @@ private:
 	std::vector<TileGroup>foregroundTileGroups;
 	std::vector<TileGroup>upperForegroundTileGroups;
 	int bridgeLayerIndex=-1;
+	float bridgeFadeFactor=0.f;
 public:
 	Crawler();