Implement ability for units to attach to collection points.

olcCodeJam2023Entry/CollectionPoint.h

@@ -2,6 +2,8 @@
 #include "olcPixelGameEngine.h"
 #include "MemoryType.h"
 
+class Unit;
+
 class CollectionPoint{
 public:
 	vf2d pos;
@@ -10,6 +12,7 @@ public:
 	MemoryType type;
 	vf2d randomOffset;
 	float rot;
+	std::weak_ptr<Unit>attachedUnit;
 	CollectionPoint(PixelGameEngine*pge,vf2d pos,float rot,Renderable&collectionPointImg,MemoryType type);
 	void Update(PixelGameEngine*pge,Renderable&matrixImg);
 };

olcCodeJam2023Entry/Constant.cpp

@@ -7,6 +7,8 @@ Pixel CONSTANT::ATKSPD_COLOR={140, 21, 13};
 Pixel CONSTANT::MOVESPD_COLOR={11, 135, 212};
 Pixel CONSTANT::PROCEDURE_COLOR={212, 11, 162};
 
+Pixel CONSTANT::MOVE_LINE_COL={147, 252, 66};
+
 vf2d CONSTANT::UNSELECTED={-99,-99};
 
 vi2d CONSTANT::TILE_SIZE={24,24};

olcCodeJam2023Entry/Constant.h

@@ -12,6 +12,8 @@ public:
 	static Pixel MOVESPD_COLOR;
 	static Pixel PROCEDURE_COLOR;
 
+	static Pixel MOVE_LINE_COL;
+
 	static vf2d UNSELECTED;
 
 	static vi2d TILE_SIZE;

olcCodeJam2023Entry/Image.h

@@ -31,5 +31,6 @@ enum Image{
 	RNG_ICON,
 	SPD_ICON,
 	RESOURCE,
+	MEMORY_COLLECTION_POINT_HIGHLIGHT,
 };
 

olcCodeJam2023Entry/Unit.cpp

@@ -186,7 +186,7 @@ void RAMBank::Update(PixelGameEngine*pge,std::map<Sound,std::unique_ptr<Audio>>&
 }
 
 void RAMBank::Draw(TileTransformedView&game,std::map<Image,std::unique_ptr<Renderable>>&IMAGES){
-	game.DrawRotatedDecal(GetGhostPos(),img.Decal(),0,img.Sprite()->Size()/2,{1,1},friendly?Pixel{192,192,255}:Pixel{255,192,192});
+	game.DrawRotatedDecal(GetGhostPos(),img.Decal(),0,img.Sprite()->Size()/2,{1,1},GetUnitColor());
 	if(IsSelected()){
 		game.DrawRotatedDecal(GetGhostPos(),IMAGES[SELECTION_CIRCLE]->Decal(),0,IMAGES[SELECTION_CIRCLE]->Sprite()->Size()/2,vf2d(img.Sprite()->Size())/IMAGES[SELECTION_CIRCLE]->Sprite()->Size(),WHITE);
 	}
@@ -270,7 +270,7 @@ void Unit::DrawRangeIndicator(PixelGameEngine*pge,TileTransformedView&game,std::
 }
 
 void Unit::Draw(TileTransformedView&game,std::map<Image,std::unique_ptr<Renderable>>&IMAGES){
-	game.DrawRotatedDecal(ghostPos,img.Decal(),0,img.Sprite()->Size()/2,{1,1},friendly?Pixel{192,192,255}:Pixel{255,192,192});
+	game.DrawRotatedDecal(ghostPos,img.Decal(),0,img.Sprite()->Size()/2,{1,1},GetUnitColor());
 	if(IsSelected()){
 		game.DrawRotatedDecal(ghostPos,IMAGES[SELECTION_CIRCLE]->Decal(),0,IMAGES[SELECTION_CIRCLE]->Sprite()->Size()/2,vf2d(img.Sprite()->Size())/IMAGES[SELECTION_CIRCLE]->Sprite()->Size(),WHITE);
 	}
@@ -338,6 +338,13 @@ void Unit::DrawUnitDamageStats(PixelGameEngine*pge,TileTransformedView&game,std:
 		lineToTarget.end=lineToTarget.rpoint(lineToTarget.length()-GetUnitSize().x/4);
 		util::ApplyMatrixEffect(game.GetPGE(),targetingLine,*IMAGES[TARGETING_LINE],IMAGES[MATRIX]);
 		game.DrawPartialRotatedDecal(lineToTarget.upoint(0.5),targetingLine.Decal(),lineToTarget.vector().polar().y,{lineToTarget.length()/2,12},{lineShift*10,0},{lineToTarget.length(),24},{1,1},targetLineCol);
+	} else
+	if(targetLoc!=CONSTANT::UNSELECTED){
+		geom2d::line<float>lineToTarget(pos,targetLoc);
+		lineToTarget.start=lineToTarget.rpoint(GetUnitSize().x/2);
+		lineToTarget.end=lineToTarget.rpoint(lineToTarget.length()-GetUnitSize().x/4);
+		util::ApplyMatrixEffect(game.GetPGE(),targetingLine,*IMAGES[TARGETING_LINE],IMAGES[MATRIX]);
+		game.DrawPartialRotatedDecal(lineToTarget.upoint(0.5),targetingLine.Decal(),lineToTarget.vector().polar().y,{lineToTarget.length()/2,12},{lineShift*10,0},{lineToTarget.length(),24},{1,0.6},CONSTANT::MOVE_LINE_COL);
 	}
 	if(!appliedTarget.expired()){
 		geom2d::line<float>lineToTarget(pos,appliedTarget.lock()->pos);
@@ -435,6 +442,13 @@ void Unit::_Update(PixelGameEngine*pge,std::map<Sound,std::unique_ptr<Audio>>&SO
 		float dist=geom2d::line<float>(pos,targetLoc).length();
 		if(dist>24){
 			SetPos(GetPos()+(targetLoc-pos).norm()*GetMoveSpd()*24*pge->GetElapsedTime());
+		} else {
+			if(willAttachWhenReachingDestination&&!attachTarget.expired()){
+				attachedPoint=attachTarget;
+				attachedPoint.lock()->attachedUnit=self_ptr;
+			}
+			willAttachWhenReachingDestination=false;
+			targetLoc=CONSTANT::UNSELECTED;
 		}
 	}
 
@@ -503,11 +517,13 @@ vf2d Unit::GetUnitSize(){
 void Unit::SetTargetUnit(std::weak_ptr<Unit>target){
 	this->target=target;
 	this->targetLoc=CONSTANT::UNSELECTED;
+	willAttachWhenReachingDestination=false;
 }
 
 void Unit::SetTargetLocation(vf2d targetLoc){
 	this->target.reset();
 	this->targetLoc=targetLoc;
+	willAttachWhenReachingDestination=false;
 }
 
 bool Unit::InRange(std::shared_ptr<Unit>target){
@@ -617,15 +633,15 @@ vf2d Unit::GetGhostPos(){
 }
 
 bool Unit::IsMoveable(){
-	return moveable;
+	return moveable&&attachedPoint.expired();
 }
 
 bool Unit::CanInteractWithAllies(){
-	return friendlyInteractable;
+	return friendlyInteractable&&attachedPoint.expired();
 }
 
 bool Unit::CanInteractWithEnemies(){
-	return enemyInteractable;
+	return enemyInteractable&&attachedPoint.expired();
 }
 
 Renderable&Unit::GetImage(){
@@ -639,3 +655,39 @@ std::weak_ptr<Unit>Unit::GetCurrentTarget(){
 bool Unit::AutoAcquiresFriendlyTargets(){
 	return autoAcquireFriendlyTarget;
 }
+
+bool Unit::CanMove(){
+	return moveSpd.size>0&&attachedPoint.expired();
+}
+
+void Unit::SetTargetCollectionPoint(std::weak_ptr<CollectionPoint>targetCP,std::weak_ptr<Unit>self_ptr){
+	SetTargetLocation(targetCP.lock()->pos);
+	attachTarget=targetCP;
+	willAttachWhenReachingDestination=true;
+	this->self_ptr=self_ptr;
+}
+
+Pixel Unit::GetUnitColor(){
+	Pixel col;
+	if(!attachedPoint.expired()){
+		switch(attachedPoint.lock()->type){
+			case HEALTH:{
+				return CONSTANT::HEALTH_COLOR/2;
+			}break;
+			case RANGE:{
+				return CONSTANT::RANGE_COLOR/2;
+			}break;
+			case ATKSPD:{
+				return CONSTANT::ATKSPD_COLOR/2;
+			}break;
+			case MOVESPD:{
+				return CONSTANT::MOVESPD_COLOR/2;
+			}break;
+			case PROCEDURE:{
+				return CONSTANT::PROCEDURE_COLOR/2;
+			}break;
+		}
+	} else {
+		return friendly?Pixel{192,192,255}:Pixel{255,192,192};
+	}
+}

olcCodeJam2023Entry/Unit.h

@@ -65,6 +65,9 @@ public:
 	std::weak_ptr<Unit>GetCurrentTarget();
 	void DrawUnitDamageStats(PixelGameEngine*pge,TileTransformedView&game,std::map<Image,std::unique_ptr<Renderable>>&IMAGES);
 	bool AutoAcquiresFriendlyTargets();
+	bool CanMove();
+	void SetTargetCollectionPoint(std::weak_ptr<CollectionPoint>targetCP,std::weak_ptr<Unit>self_ptr);
+	Pixel GetUnitColor();
 
 	std::vector<bool>& operator <<=(const int n){
 		for(int i=0;i<GetMemorySize()-1;i++){
@@ -121,6 +124,9 @@ private:
 	float lineShift=0;
 	void ApplyMatrixEffect(Renderable&r);
 	std::weak_ptr<CollectionPoint>attachedPoint;
+	std::weak_ptr<CollectionPoint>attachTarget;
+	bool willAttachWhenReachingDestination=false;
+	std::weak_ptr<Unit>self_ptr;
 };
 
 struct BasicUnit:Unit{

olcCodeJam2023Entry/VirusAttack.cpp

@@ -47,6 +47,7 @@ void VirusAttack::InitializeImages(){
 	LoadImage(RNG_ICON,"assets/rng_icon.png");
 	LoadImage(SPD_ICON,"assets/spd_icon.png");
 	LoadImage(RESOURCE,"assets/material.png");
+	LoadImage(MEMORY_COLLECTION_POINT_HIGHLIGHT,"assets/memory_collection_point_highlight.png");
 }
 
 bool VirusAttack::OnUserCreate(){
@@ -161,11 +162,25 @@ void VirusAttack::HandleRightClickMove(){
 		}
 		if(!selectedTarget){
 			for(auto&u:units){
-				if(u->IsFriendly()&&u->IsSelected()){
+				if(u->IsFriendly()&&u->IsSelected()&&u->CanMove()){
+					//First see if we can attach to a collection point.
+					for(auto&cp:collectionPoints){
+						geom2d::rect<float>cpRect=geom2d::rect<float>({cp->pos-cp->img.Sprite()->Size()/2,cp->img.Sprite()->Size()});
+						if(geom2d::overlaps(cpRect,GetWorldMousePos())){
+							if(cp->attachedUnit.expired()){
+								u->SetTargetCollectionPoint(cp,u);
+								goto targetFound; //We found a target, so now we can just leave.
+							}
+						}
+					}
+
+					//Okay, nothing to do here. Simply move to the selected position.
 					u->SetTargetLocation(GetWorldMousePos());
 				}
 			}
 		}
+		targetFound:
+		int a;
 	}
 }
 
@@ -328,6 +343,9 @@ void VirusAttack::RenderCollectionPoints(CollectionPoint*cp){
 			}break;
 		}
 		game.DrawRotatedDecal(cp->pos,cp->img.Decal(),cp->rot,cp->img.Sprite()->Size()/2,{1,1},col);
+		if(geom2d::overlaps(cpRect,GetWorldMousePos())){
+			game.DrawRotatedDecal(cp->pos,IMAGES[MEMORY_COLLECTION_POINT_HIGHLIGHT]->Decal(),cp->rot,cp->img.Sprite()->Size()/2,{1,1},col);
+		}
 	}
 }
 
@@ -416,6 +434,19 @@ bool VirusAttack::OnUserUpdate(float fElapsedTime){
 
 	DrawSelectionRectangle();
 	RenderFogOfWar();
+	DrawResourceBar();
+
+	DrawMinimap();
+
+	std::sort(units.begin(),units.end(),[&](auto&u1,auto&u2){
+		float dist1=geom2d::line<float>(u1->GetGhostPos(),GetWorldMousePos()).length();
+		float dist2=geom2d::line<float>(u2->GetGhostPos(),GetWorldMousePos()).length();
+		return dist1>dist2;});
+
+	return true;
+}
+
+void VirusAttack::DrawResourceBar(){
 	GradientFillRectDecal({0,0},{float(ScreenWidth()),12.f},BLACK,{VERY_DARK_BLUE.r,VERY_DARK_BLUE.g,VERY_DARK_BLUE.b,128},{VERY_DARK_BLUE.r,VERY_DARK_BLUE.g,VERY_DARK_BLUE.b,128},BLACK);
 	DrawRectDecal({0,0},{float(ScreenWidth()),12.f},{3, 194, 252});
 	auto DrawResourceDisplay=[&](int index,int resourceValue,Pixel col){
@@ -427,15 +458,6 @@ bool VirusAttack::OnUserUpdate(float fElapsedTime){
 	DrawResourceDisplay(2,player_resources.moveSpd,CONSTANT::MOVESPD_COLOR);
 	DrawResourceDisplay(3,player_resources.range,CONSTANT::RANGE_COLOR);
 	DrawResourceDisplay(4,player_resources.procedure,CONSTANT::PROCEDURE_COLOR);
-
-	DrawMinimap();
-
-	std::sort(units.begin(),units.end(),[&](auto&u1,auto&u2){
-		float dist1=geom2d::line<float>(u1->GetGhostPos(),GetWorldMousePos()).length();
-		float dist2=geom2d::line<float>(u2->GetGhostPos(),GetWorldMousePos()).length();
-		return dist1>dist2;});
-
-	return true;
 }
 
 void VirusAttack::RenderFogOfWar(){

olcCodeJam2023Entry/VirusAttack.h

@@ -29,7 +29,7 @@ class VirusAttack : public olc::PixelGameEngine
 {
 private:
 	std::vector<std::shared_ptr<Unit>>units;
-	std::vector<std::unique_ptr<CollectionPoint>>collectionPoints;
+	std::vector<std::shared_ptr<CollectionPoint>>collectionPoints;
 	std::vector<std::unique_ptr<DeathAnimation>>deathAnimations;
 	std::vector<DebuffIcon>debuffIcons;
 
@@ -63,6 +63,7 @@ private:
 	void RenderCollectionPoints(CollectionPoint*cp);
 	void RenderFogOfWar();
 	void InitializeSounds();
+	void DrawResourceBar();
 
 public:
 	VirusAttack();