Added death animations.

olcCodeJam2023Entry/Constant.cpp

@@ -13,3 +13,5 @@ vi2d CONSTANT::TILE_SIZE={24,24};
 vi2d CONSTANT::WORLD_SIZE={64,64};
 
 float CONSTANT::SCROLL_BOUNDARY=36;
+
+float CONSTANT::DEATH_FADE_TIME=1;

olcCodeJam2023Entry/Constant.h

@@ -18,4 +18,6 @@ public:
 	static vi2d WORLD_SIZE;
 
 	static float SCROLL_BOUNDARY;
+
+	static float DEATH_FADE_TIME;
 };

olcCodeJam2023Entry/DeathAnimation.h

@@ -0,0 +1,19 @@
+#pragma once
+#include "olcPixelGameEngine.h"
+#include "Constant.h"
+#include "olcPGEX_TransformedView.h"
+
+class DeathAnimation{
+	vf2d pos;
+	Renderable img;
+	Renderable&originalImg;
+	Renderable&matrixImg;
+	vf2d randomOffset;
+	float fadeTimer=CONSTANT::DEATH_FADE_TIME;
+	bool friendly;
+public:
+	DeathAnimation(PixelGameEngine*pge,vf2d pos,Renderable&unitImg,Renderable&matrixImg,bool friendly);
+	void Update(float fElapsedTime);
+	void Draw(TileTransformedView&game,PixelGameEngine*pge);
+	bool IsDone();
+};

olcCodeJam2023Entry/DeathAnimations.cpp

@@ -0,0 +1,34 @@
+#include "DeathAnimation.h"
+
+DeathAnimation::DeathAnimation(PixelGameEngine*pge,vf2d pos,Renderable&unitImg,Renderable&matrixImg,bool friendly)
+:pos(pos),matrixImg(matrixImg),originalImg(unitImg),friendly(friendly),randomOffset(rand()%168,rand()%168){
+	img.Create(unitImg.Sprite()->width,unitImg.Sprite()->height);
+	pge->SetDrawTarget(img.Sprite());
+	pge->DrawSprite({0,0},unitImg.Sprite());
+	pge->SetDrawTarget(nullptr);
+	img.Decal()->Update();
+}
+void DeathAnimation::Update(float fElapsedTime){
+	fadeTimer=std::max(0.f,fadeTimer-fElapsedTime);
+}
+void DeathAnimation::Draw(TileTransformedView&game,PixelGameEngine*pge){
+	pge->SetDrawTarget(img.Sprite());
+	pge->Clear(BLANK);
+	for(int y=0;y<img.Sprite()->height;y++){
+		for(int x=0;x<img.Sprite()->width;x++){
+			Pixel col=originalImg.Sprite()->GetPixel(x,y);
+			if(col.a==255&&col.r<=(CONSTANT::DEATH_FADE_TIME-fadeTimer)*255){
+				pge->Draw(x,y,matrixImg.Sprite()->GetPixel(x+randomOffset.x,y+randomOffset.y));
+			} else {
+				pge->Draw(x,y,originalImg.Sprite()->GetPixel(x+randomOffset.x,y+randomOffset.y));
+			}
+		}
+	}
+	img.Decal()->Update();
+	pge->SetDrawTarget(nullptr);
+	game.DrawRotatedDecal(pos,img.Decal(),0,img.Sprite()->Size()/2,{1,1},friendly?Pixel{192,192,255,uint8_t((fadeTimer/CONSTANT::DEATH_FADE_TIME)*255)}:Pixel{255,192,192,uint8_t((fadeTimer/CONSTANT::DEATH_FADE_TIME)*255)});
+}
+
+bool DeathAnimation::IsDone(){
+	return fadeTimer==0;
+}

olcCodeJam2023Entry/Unit.cpp

@@ -502,3 +502,7 @@ bool Unit::CanInteractWithAllies(){
 bool Unit::CanInteractWithEnemies(){
 	return enemyInteractable;
 }
+
+Renderable&Unit::GetImage(){
+	return img;
+}

olcCodeJam2023Entry/Unit.h

@@ -58,6 +58,7 @@ public:
 	void DrawRangeIndicator(PixelGameEngine*pge,TileTransformedView&game,std::map<Image,std::unique_ptr<Renderable>>&IMAGES);
 	bool CanInteractWithEnemies();
 	bool CanInteractWithAllies();
+	Renderable&GetImage();
 
 	std::vector<bool>& operator <<=(const int n){
 		for(int i=0;i<GetMemorySize()-1;i++){

olcCodeJam2023Entry/VirusAttack.cpp

@@ -51,6 +51,7 @@ bool VirusAttack::OnUserCreate(){
 	units.push_back(std::make_unique<LeftShifter>(vf2d{128,128},IMAGES,true));
 	units.push_back(std::make_unique<RightShifter>(vf2d{129,129},IMAGES,true));
 	units.push_back(std::make_unique<BitRestorer>(vf2d{130,130},IMAGES,true));
+	units.push_back(std::make_unique<BitRestorer>(vf2d{130,140},IMAGES,true));
 	units.push_back(std::make_unique<MemorySwapper>(vf2d{131,131},IMAGES,true));
 	units.push_back(std::make_unique<Corrupter>(vf2d{132,132},IMAGES,true));
 	units.push_back(std::make_unique<MemoryAllocator>(vf2d{133,133},IMAGES,true));
@@ -328,6 +329,17 @@ bool VirusAttack::OnUserUpdate(float fElapsedTime){
 		u->AttemptAttack(closestUnit,units);
 		u->_Update(this);
 	}
+
+	std::erase_if(units,[&](std::shared_ptr<Unit>u){
+		if(u->GetHealth()==0){
+			deathAnimations.emplace_back(std::make_unique<DeathAnimation>(this,u->GetPos(),u->GetImage(),*IMAGES[MATRIX],u->IsFriendly()));
+			return true;
+		} else {
+			return false;
+		}
+	});
+
+
 	game.DrawPartialDecal({0,0},CONSTANT::WORLD_SIZE*CONSTANT::TILE_SIZE,IMAGES[TILE]->Decal(),{0,0},CONSTANT::WORLD_SIZE*CONSTANT::TILE_SIZE,DARK_GREEN);
 
 	for(auto&u:units){
@@ -337,6 +349,12 @@ bool VirusAttack::OnUserUpdate(float fElapsedTime){
 	for(auto&u:units){
 		u->Draw(game,IMAGES);
 	}
+	for(auto&deadUnit:deathAnimations){
+		deadUnit->Update(fElapsedTime);
+		deadUnit->Draw(game,this);
+	}
+
+	std::erase_if(deathAnimations,[](auto&u){return u->IsDone();});
 
 	for(auto&collectionPoint:collectionPoints){
 		collectionPoint->Update(this,*IMAGES[MATRIX]);

olcCodeJam2023Entry/VirusAttack.h

@@ -4,6 +4,7 @@
 #include "Unit.h"
 #include "Constant.h"
 #include "Image.h"
+#include "DeathAnimation.h"
 
 struct Letter{
 	vf2d pos;
@@ -27,6 +28,7 @@ class VirusAttack : public olc::PixelGameEngine
 private:
 	std::vector<std::shared_ptr<Unit>>units;
 	std::vector<std::unique_ptr<CollectionPoint>>collectionPoints;
+	std::vector<std::unique_ptr<DeathAnimation>>deathAnimations;
 
 	std::map<Image,std::unique_ptr<Renderable>>IMAGES;
 

olcCodeJam2023Entry/olcCodeJam2023Entry.vcxproj

@@ -132,6 +132,7 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClInclude Include="Constant.h" />
+    <ClInclude Include="DeathAnimation.h" />
     <ClInclude Include="Image.h" />
     <ClInclude Include="olcPGEX_PopUpMenu.h" />
     <ClInclude Include="olcPGEX_QuickGUI.h" />
@@ -150,6 +151,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Constant.cpp" />
+    <ClCompile Include="DeathAnimations.cpp" />
     <ClCompile Include="TileManager.cpp" />
     <ClCompile Include="Unit.cpp" />
     <ClCompile Include="util.cpp" />

olcCodeJam2023Entry/olcCodeJam2023Entry.vcxproj.filters

@@ -66,6 +66,9 @@
     <ClInclude Include="util.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="DeathAnimation.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="VirusAttack.cpp">
@@ -83,6 +86,9 @@
     <ClCompile Include="util.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="DeathAnimations.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="olcCodeJam2023Entry.rc">