Implemented minimap hud.

olcCodeJam2023Entry/VirusAttack.cpp

@@ -18,6 +18,9 @@ bool VirusAttack::OnUserCreate(){
 	CONSTANT::SELECTION_CIRCLE.Load("assets/selection_circle.png");
 
 	TILE.Load("assets/tile.png",nullptr,false,false);
+	MINIMAP_HUD.Load("assets/minimap_hud.png");
+	OUTLINE.Load("assets/outline.png");
+	MINIMAP_OUTLINE.Create(64,64);
 
 	units.push_back(std::make_unique<BasicUnit>(vf2d{32,32},CONSTANT::VIRUS_IMG1,true));
 	for(int i=0;i<10;i++){
@@ -113,21 +116,36 @@ void VirusAttack::IdentifyClosestTarget(Unit*&closestUnit,float&closestDist,std:
 	}
 }
 
-bool VirusAttack::OnUserUpdate(float fElapsedTime){
-	HandleDraggingSelection();
-	HandleRightClickMove();
+void VirusAttack::DrawMinimap(){
+	DrawDecal(GetScreenSize()-MINIMAP_HUD.Sprite()->Size(),MINIMAP_HUD.Decal(),{1,1});
+	vf2d minimapTL=GetScreenSize()-vf2d{64,64};
+	vi2d worldPixelSize=CONSTANT::WORLD_SIZE*CONSTANT::TILE_SIZE;
+	vf2d viewingTilesPct=vf2d{float(ScreenWidth()),float(ScreenHeight())}/CONSTANT::TILE_SIZE/CONSTANT::WORLD_SIZE;
+	SetDrawTarget(MINIMAP_OUTLINE.Sprite());
+	for(int y=0;y<64;y++){
+		for(int x=0;x<64;x++){
+			Draw(x,y,BLANK);
+		}
+	}
+	DrawRect((game.GetWorldOffset()/worldPixelSize*64),viewingTilesPct*64/game.GetWorldScale());
+	MINIMAP_OUTLINE.Decal()->Update();
+	SetDrawTarget(nullptr);
+	DrawDecal(minimapTL,MINIMAP_OUTLINE.Decal());
+}
 
+void VirusAttack::HandlePanAndZoom(float fElapsedTime){
+	float speedScale=std::min(1.f,game.GetWorldScale().x);
 	if(GetKey(A).bHeld){
-		game.MoveWorldOffset({-256*fElapsedTime,0});
+		game.MoveWorldOffset(vf2d{-256*fElapsedTime,0}/speedScale);
 	}
 	if(GetKey(W).bHeld){
-		game.MoveWorldOffset({0,-256*fElapsedTime});
+		game.MoveWorldOffset(vf2d{0,-256*fElapsedTime}/speedScale);
 	}
 	if(GetKey(S).bHeld){
-		game.MoveWorldOffset({0,256*fElapsedTime});
+		game.MoveWorldOffset(vf2d{0,256*fElapsedTime}/speedScale);
 	}
 	if(GetKey(D).bHeld){
-		game.MoveWorldOffset({256*fElapsedTime,0});
+		game.MoveWorldOffset(vf2d{256*fElapsedTime,0}/speedScale);
 	}
 
 	if(GetMouseWheel()>0){
@@ -135,11 +153,17 @@ bool VirusAttack::OnUserUpdate(float fElapsedTime){
 			game.ZoomAtScreenPos(1.25,GetMousePos());
 		}
 	} else
-	if(GetMouseWheel()<0){
-		if(game.GetWorldScale().x>0.5){
-			game.ZoomAtScreenPos(0.75,GetMousePos());
+		if(GetMouseWheel()<0){
+			if(game.GetWorldScale().x>0.5){
+				game.ZoomAtScreenPos(0.75,GetMousePos());
+			}
 		}
-	}
+}
+
+bool VirusAttack::OnUserUpdate(float fElapsedTime){
+	HandleDraggingSelection();
+	HandleRightClickMove();
+	HandlePanAndZoom(fElapsedTime);
 
 	for(auto&u:units){
 		Unit*closestUnit=nullptr;
@@ -162,6 +186,8 @@ bool VirusAttack::OnUserUpdate(float fElapsedTime){
 
 	DrawSelectionRectangle();
 
+	DrawMinimap();
+
 	return true;
 }
 

olcCodeJam2023Entry/VirusAttack.h

@@ -8,7 +8,7 @@ class VirusAttack : public olc::PixelGameEngine
 private:
 	std::vector<std::shared_ptr<Unit>>units;
 
-	Renderable TILE;
+	Renderable TILE,MINIMAP_HUD,OUTLINE,MINIMAP_OUTLINE;
 
 	TileTransformedView game;
 
@@ -19,6 +19,8 @@ private:
 	void CollisionChecking(std::shared_ptr<Unit>u,std::shared_ptr<Unit>u2);
 	void IdentifyClosestTarget(Unit*&closestUnit,float&closestDist,std::shared_ptr<Unit>u,std::shared_ptr<Unit>u2);
 	vf2d GetWorldMousePos();
+	void HandlePanAndZoom(float fElapsedTime);
+	void DrawMinimap();
 
 public:
 	VirusAttack();