Add in some radius to the mouse cursor when comparing to quad overlapping for hovering.

TiledCollisionEditor/TiledCollisionEditor.vcxproj

@@ -119,6 +119,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>

TiledCollisionEditor/main.cpp

@@ -40,8 +40,8 @@ public:
 
 	Manager gui;
 
-	ImageCheckBox*createNewButton;
-	ImageCheckBox*editButton;
+	ImageCheckBox*createNewButton=nullptr;
+	ImageCheckBox*editButton=nullptr;
 
 public:
 	bool OnUserCreate() override
@@ -73,13 +73,6 @@ public:
 		return true;
 	}
 
-	float hundredsDigit=0.f;
-	float tensDigit=0.f;
-	float onesDigit=0.f;
-
-	float currentHealth=0;
-	float targetHealth=60;
-
 	void Update(){
 		const Tileset&tileset=tilesets[activeTileset];
 
@@ -145,7 +138,7 @@ public:
 							geom2d::triangle<float>{quad[0],quad[2],quad[3]},
 						};
 						for(geom2d::triangle<float>&tri:collisionTris){
-							if(geom2d::contains(tri,view.ScreenToWorld(GetMousePos()))){
+							if(geom2d::overlaps(tri,geom2d::circle<float>(view.ScreenToWorld(GetMousePos()),3.f))){
 								dragTranslate=true;
 								editingQuad=const_cast<Quadrilateral*>(&quad);
 								upperLeftDragOffset=GetSnapPoint()-quad[0];
@@ -188,7 +181,7 @@ public:
 						geom2d::triangle<float>{quad[0],quad[2],quad[3]},
 					};
 					for(geom2d::triangle<float>&tri:collisionTris){
-						if(geom2d::contains(tri,view.ScreenToWorld(GetMousePos()))){
+						if(geom2d::overlaps(tri,geom2d::circle<float>(view.ScreenToWorld(GetMousePos()),3.f))){
 							//Delete this quad, the mouse is overlapping it!
 							quadsToBeRemoved.push_back(const_cast<Quadrilateral*>(&quad));
 							break;
@@ -215,25 +208,50 @@ public:
 					editingPoint=4;
 				}
 				dragTranslate=false;
+				editingQuad=nullptr;
 			}
 		}
 	}
 
 	void NewObjectUpdate(){
-		if(GetMouse(Mouse::LEFT).bPressed){
 		const Tileset&tileset=tilesets[activeTileset];
-
+		if(GetMouse(Mouse::LEFT).bPressed){
 			vf2d worldCoords=view.ScreenToWorld(GetMousePos());
-			upperLeftObjTile=vf2d{round(worldCoords.x/tileset.tilewidth)*tileset.tilewidth,round(worldCoords.y/tileset.tileheight)*tileset.tileheight};
+			upperLeftObjTile=vi2d{int(round(worldCoords.x/tileset.tilewidth)*tileset.tilewidth),int(round(worldCoords.y/tileset.tileheight)*tileset.tileheight)};
 			dragNewObj=true;
 		}
 		if(GetMouse(Mouse::LEFT).bReleased){
 			dragNewObj=false;
 			
+			vf2d worldCoords=view.ScreenToWorld(GetMousePos());
+			vi2d lowerRightObjTile=vi2d{int(round(worldCoords.x/tileset.tilewidth)*tileset.tilewidth),int(round(worldCoords.y/tileset.tileheight)*tileset.tileheight)};
+
+			geom2d::rect<int>newObjRect{upperLeftObjTile,lowerRightObjTile-upperLeftObjTile};
+
 			const Tileset&tileset=tilesets[activeTileset];
 			//Check for intersection with other objects, if found then we deny creating this object this way.
+			bool intersectionFound=false;
 			for(auto&[name,obj]:tileset.objects){
+				geom2d::rect<float>offsetBounds{obj.bounds.pos+vf2d{0.5f,0.5f},obj.bounds.size-vf2d{1.f,1.f}};
+				if(geom2d::overlaps(offsetBounds,newObjRect)){
+					intersectionFound=true;
+					break;
+				}
+			}
 
+			if(!intersectionFound){
+				std::string objName=std::format("Object{}",tilesets[activeTileset].objects.size());
+
+				TilesetObject&newObj=tilesets[activeTileset].objects[objName];
+				newObj.name=objName;
+				for(int y=0;y<newObjRect.size.y;y++){
+					for(int x=0;x<newObjRect.size.x;x++){
+						int tileX=upperLeftObjTile.x/tileset.tilewidth+x;
+						int tileY=upperLeftObjTile.y/tileset.tileheight+y;
+						int tileID=tileY*tileset.columns+tileX;
+						newObj.AddTile(tileset,tileID);
+					}
+				}
 			}
 		} 
 	}
@@ -261,7 +279,13 @@ public:
 		}
 
 		if(editingQuad==nullptr){
-			std::string selectedObj="";
+			selectedObj="";
+			for(auto&[objName,obj]:tileset.objects){
+				if(geom2d::contains(obj.bounds,view.ScreenToWorld(GetMousePos()))){
+					selectedObj=objName;
+					break;
+				}
+			}
 		}
 
 		if(createNewButton->bPressed)editButton->bChecked=false;
@@ -291,7 +315,7 @@ public:
 					geom2d::triangle<float>{quad[0],quad[2],quad[3]},
 				};
 				for(geom2d::triangle<float>&tri:collisionTris){
-					if(geom2d::contains(tri,view.ScreenToWorld(GetMousePos()))){
+					if(geom2d::overlaps(tri,geom2d::circle<float>(view.ScreenToWorld(GetMousePos()),3.f))){
 						highlightedQuad=const_cast<Quadrilateral*>(&quad);
 						goto renderQuads;
 					}
@@ -308,17 +332,36 @@ public:
 				view.DrawPolygonDecal(nullptr,points,uvs,cols);
 
 				for(bool highlighted=false;const vf2d&point:quad){
+					if(highlightedQuad==&quad){
 						if(geom2d::line<float>(point,view.ScreenToWorld(GetMousePos())).length()<4&&!highlighted){
 							view.DrawRotatedDecal(point,circle.Decal(),0.f,circle.Sprite()->Size()/2,{1.f,1.f},YELLOW);
 							highlighted=true;
 						}else{
 							view.DrawRotatedDecal(point,circle.Decal(),0.f,circle.Sprite()->Size()/2,{1.f,1.f},RED);
 						}
+					}else{
+						view.DrawRotatedDecal(point,circle.Decal(),0.f,circle.Sprite()->Size()/2,{0.25f,0.25f},DARK_GREY);
+					}
 				}
 			}
 		}else
 		if(dragNewObj){
+			vf2d worldCoords=view.ScreenToWorld(GetMousePos());
+			vi2d lowerRightObjTile=vi2d{int(round(worldCoords.x/tileset.tilewidth)*tileset.tilewidth),int(round(worldCoords.y/tileset.tileheight)*tileset.tileheight)};
+
+			Pixel overlayCol={0,0,255,160};
+
+			geom2d::rect<int>newObjRect{upperLeftObjTile,lowerRightObjTile-upperLeftObjTile};
+
+			for(auto&[name,obj]:tileset.objects){
+				geom2d::rect<float>offsetBounds{obj.bounds.pos+vf2d{0.5f,0.5f},obj.bounds.size-vf2d{1.f,1.f}};
+				if(geom2d::overlaps(offsetBounds,newObjRect)){
+					overlayCol={255,0,0,160};
+					break;
+				}
+			}
 
+			view.FillRectDecal(upperLeftObjTile,lowerRightObjTile-upperLeftObjTile,overlayCol);
 		}
 
 		for(auto&[objName,obj]:tileset.objects){