Add afterimage rendering for monsters. Release Build 12003.

Adventures in Lestoria/GhostOfPirateCaptain.cpp

@@ -52,6 +52,7 @@ void Monster::STRATEGY::GHOST_OF_PIRATE_CAPTAIN(Monster&m,float fElapsedTime,std
 	enum PhaseName{
 		INIT,
 		NORMAL,
+		AFTERIMAGE_FADEIN,
 	};
 
 	enum CannonShotType{
@@ -75,6 +76,10 @@ void Monster::STRATEGY::GHOST_OF_PIRATE_CAPTAIN(Monster&m,float fElapsedTime,std
 			if(!m.B(A::FIRST_WAVE_COMPLETE)){
 				m.B(A::FIRST_WAVE_COMPLETE)=true;
 				m.ForceSetPos(m.spawnPos);
+				m.SetupAfterImage();
+				m.SetCollisionRadius(0.f);
+				m.F(A::CASTING_TIMER)=1.f;
+				SETPHASE(AFTERIMAGE_FADEIN);
 			}
 		}
 	}};
@@ -160,5 +165,12 @@ void Monster::STRATEGY::GHOST_OF_PIRATE_CAPTAIN(Monster&m,float fElapsedTime,std
 				}break;
 			}
 		}break;
+		case AFTERIMAGE_FADEIN:{
+			m.F(A::CASTING_TIMER)-=fElapsedTime;
+			if(m.F(A::CASTING_TIMER)<=0.f){
+				SETPHASE(NORMAL);
+				m.SetCollisionRadius(m.GetOriginalCollisionRadius());
+			}
+		}break;
 	}
 }

Adventures in Lestoria/Monster.cpp

@@ -82,6 +82,8 @@ Monster::Monster(vf2d pos,MonsterData data,bool upperLevel,bool bossMob):
 	monsterWalkSoundTimer=util::random(1.f);
 	UpdateFacingDirection(game->GetPlayer()->GetPos());
 	animation.UpdateState(internal_animState,randomFrameOffset);
+	const vf2d&currentRect{GetFrame().GetSourceRect().size};
+	afterImage.Create(currentRect.x,currentRect.y);
 }
 const vf2d&Monster::GetPos()const{
 	return pos;
@@ -406,6 +408,29 @@ void Monster::Update(const float fElapsedTime){
 	animation.UpdateState(internal_animState,fElapsedTime);
 	if(HasMountedMonster())mounted_animation.value().UpdateState(internal_mounted_animState,fElapsedTime);
 	attackedByPlayer=false;
+
+	#pragma region Afterimage Handling
+		const auto RemoveScanLine=[&](uint8_t scanLine){
+			for(int x:std::ranges::iota_view(0,afterImage.Sprite()->width)){
+				afterImage.Sprite()->SetPixel({x,scanLine},BLANK);
+			}
+			afterImage.Decal()->Update();
+		};
+
+		//Scan Line goes through 1-(height-1) (odd numbers) first, then 0-22.
+		const bool ScanLineFinished{scanLine==afterImage.Sprite()->height};
+		if(!ScanLineFinished){
+			removeLineTimer-=fElapsedTime;
+			if(removeLineTimer<=0.f){
+				removeLineTimer=TIME_BETWEEN_LINE_REMOVALS;
+				RemoveScanLine(scanLine);
+				scanLine+=2;
+				if(scanLine>afterImage.Sprite()->height-1&&scanLine%2==1){
+					scanLine=0;
+				}
+			}
+		}
+	#pragma endregion
 }
 Direction Monster::GetFacingDirection()const{
 	return facingDirection;
@@ -512,6 +537,7 @@ void Monster::Draw()const{
 	};
 
 	if(glowPurpleBuff.has_value())DrawBaseMonster(glowPurpleImageScale,{43,0,66,blendCol.a});
+	DrawAfterImage:game->view.DrawRotatedDecal(afterImagePos,afterImage.Decal(),0.f,afterImage.Sprite()->Size()/2,{GetSizeMult(),GetSizeMult()},Pixel{0xFFDCDA});
 	DrawBaseMonster(imageScale,blendCol);
 	if(overlaySprite.length()!=0){
 		if(glowPurpleBuff.has_value())DrawOverlayMonster(imageScale,{43,0,66,overlaySpriteTransparency});
@@ -574,8 +600,8 @@ void Monster::Draw()const{
 	#pragma endregion
 
 	if(GameSettings::TerrainCollisionBoxesEnabled()&&IsSolid()&&solidFadeTimer>0.f){
-		float distToPlayer=geom2d::line<float>(game->GetPlayer()->GetPos(),GetPos()).length();
-		const float collisionRadiusFactor=GetCollisionRadius()/12.f;
+		const float distToPlayer{geom2d::line<float>(game->GetPlayer()->GetPos(),GetPos()).length()};
+		const float collisionRadiusFactor{GetCollisionRadius()/12.f};
 		if(distToPlayer<24*3*collisionRadiusFactor){
 			game->DrawPie(game->view.WorldToScreen(GetPos()),GetCollisionRadius(),0.f,{255,0,0,uint8_t(128*(blendColAlpha/255.f)/sqrt(distToPlayer*collisionRadiusFactor))});
 			game->SetDecalMode(DecalMode::WIREFRAME);
@@ -1677,3 +1703,12 @@ void Monster::ForceSetPos(vf2d pos){
 	this->pos=pos;
 	Moved();
 }
+void Monster::SetupAfterImage(){
+	game->SetDrawTarget(afterImage.Sprite());
+	game->Clear(BLANK);
+	game->DrawPartialSprite({},animation.GetFrame(internal_animState).GetSourceImage()->Sprite(),animation.GetFrame(internal_animState).GetSourceRect().pos,animation.GetFrame(internal_animState).GetSourceRect().size,1U,0U,{255,255,254}); //Off-white so that the sprite is rendered completely in white.
+	game->SetDrawTarget(nullptr);
+	afterImage.Decal()->Update();
+	removeLineTimer=TIME_BETWEEN_LINE_REMOVALS;
+	scanLine=1U;
+}

Adventures in Lestoria/Monster.h

@@ -338,6 +338,12 @@ private:
 	float collisionRadius{}; //The collision radius can be modified, it's just set initially to the monster database entry.
 	//Ignores collision checking and sets the monster at the given position.
 	void ForceSetPos(vf2d pos);
+	Renderable afterImage;
+	void SetupAfterImage();
+	float removeLineTimer{};
+	const float TIME_BETWEEN_LINE_REMOVALS{0.025f};
+	uint8_t scanLine{24};
+	vf2d afterImagePos{};
 
 	struct STRATEGY{
 		static std::string ERR;

Adventures in Lestoria/Version.h

@@ -39,7 +39,7 @@ All rights reserved.
 #define VERSION_MAJOR 1
 #define VERSION_MINOR 3
 #define VERSION_PATCH 0
-#define VERSION_BUILD 12001
+#define VERSION_BUILD 12003
 
 #define stringify(a) stringify_(a)
 #define stringify_(a) #a