Implement ground slam animation

Crawler/Animation.h

@@ -7,4 +7,5 @@ enum AnimationState{
 	BLUE_SLIME_IDLE,BLUE_SLIME_ROLL,BLUE_SLIME_JUMP,BLUE_SLIME_SPIT,BLUE_SLIME_DIE,
 	RED_SLIME_IDLE,RED_SLIME_ROLL,RED_SLIME_JUMP,RED_SLIME_SPIT,RED_SLIME_DIE,
 	YELLOW_SLIME_IDLE,YELLOW_SLIME_ROLL,YELLOW_SLIME_JUMP,YELLOW_SLIME_SPIT,YELLOW_SLIME_DIE,
+	GROUND_SLAM_ATTACK_BACK,GROUND_SLAM_ATTACK_FRONT,
 };

Crawler/Crawler.cpp

@@ -29,6 +29,8 @@ bool Crawler::OnUserCreate(){
 	GFX_Pl_Sheet.Load("assets/nico-warrior.png");
 	GFX_Slime_Sheet.Load("assets/slime.png");
 	GFX_Circle.Load("assets/circle.png");
+	GFX_Effect_GroundSlam_Back.Load("assets/ground-slam-attack-back.png");
+	GFX_Effect_GroundSlam_Front.Load("assets/ground-slam-attack-front.png");
 
 	//Animations
 	InitializeAnimations();
@@ -52,6 +54,7 @@ bool Crawler::OnUserCreate(){
 
 bool Crawler::OnUserUpdate(float fElapsedTime){
 	HandleUserInput(fElapsedTime);
+	UpdateEffects(fElapsedTime);
 	player.Update(fElapsedTime);
 	for(Monster&m:MONSTER_LIST){
 		m.Update(fElapsedTime);
@@ -111,11 +114,18 @@ void Crawler::InitializeAnimations(){
 			ANIMATION_DATA[AnimationState(AnimationState::GREEN_SLIME_IDLE+state+slime*5)]=anim;
 		}
 	}
+	Animate2D::FrameSequence effect_groundslam_back(0.02f,Animate2D::Style::OneShot),effect_groundslam_front(0.02f,Animate2D::Style::OneShot);
+	for(int i=0;i<5;i++){
+		effect_groundslam_back.AddFrame({&GFX_Effect_GroundSlam_Back,{{i*64,0},{64,64}}});
+		effect_groundslam_front.AddFrame({&GFX_Effect_GroundSlam_Front,{{i*64,0},{64,64}}});
+	}
+	ANIMATION_DATA[AnimationState::GROUND_SLAM_ATTACK_BACK]=effect_groundslam_back;
+	ANIMATION_DATA[AnimationState::GROUND_SLAM_ATTACK_FRONT]=effect_groundslam_front;
 }
 
 void Crawler::HandleUserInput(float fElapsedTime){
 	bool setIdleAnimation=true;
-	if(GetKey(SPACE).bPressed){
+	if(GetKey(SPACE).bPressed&&player.GetState()==State::NORMAL){
 		player.Spin(Player::GROUND_SLAM_SPIN_TIME,14*PI);
 	}
 	if(GetKey(RIGHT).bHeld){
@@ -243,6 +253,27 @@ void Crawler::UpdateCamera(float fElapsedTime){
 	view.SetWorldOffset(vi2d(camera.GetViewPosition()));
 }
 
+void Crawler::UpdateEffects(float fElapsedTime){
+	for(std::vector<Effect>::iterator it=backgroundEffects.begin();it!=backgroundEffects.end();++it){
+		Effect&e=*it;
+		if(!e.Update(fElapsedTime)){
+			it=backgroundEffects.erase(it);
+			if(it==backgroundEffects.end()){
+				break;
+			}
+		}
+	}
+	for(std::vector<Effect>::iterator it=foregroundEffects.begin();it!=foregroundEffects.end();++it){
+		Effect&e=*it;
+		if(!e.Update(fElapsedTime)){
+			it=foregroundEffects.erase(it);
+			if(it==foregroundEffects.end()){
+				break;
+			}
+		}
+	}
+}
+
 void Crawler::RenderWorld(float fElapsedTime){
 	Clear({100,180,100});
 	for (int x = view.GetTopLeftTile().x/24-1; x <= view.GetBottomRightTile().x/24; x++){
@@ -260,6 +291,9 @@ void Crawler::RenderWorld(float fElapsedTime){
 		vf2d shadowScale=vf2d{8/3.f,1}/std::max(1.f,player.GetZ()/4);
 		view.DrawDecal(player.GetPos()-vf2d{3,3}*shadowScale/2+vf2d{0,6},GFX_Circle.Decal(),shadowScale);
 	}
+	for(Effect&e:backgroundEffects){
+		e.Draw();
+	}
 	for(Monster&m:monstersBefore){
 		view.DrawPartialDecal(m.GetPos()-vf2d{12,12}*m.GetSizeMult(),m.GetFrame().GetSourceImage()->Decal(),m.GetFrame().GetSourceRect().pos,m.GetFrame().GetSourceRect().size,vf2d(m.GetSizeMult(),m.GetSizeMult()));
 	}
@@ -267,6 +301,9 @@ void Crawler::RenderWorld(float fElapsedTime){
 	for(Monster&m:monstersAfter){
 		view.DrawPartialDecal(m.GetPos()-vf2d{12,12}*m.GetSizeMult(),m.GetFrame().GetSourceImage()->Decal(),m.GetFrame().GetSourceRect().pos,m.GetFrame().GetSourceRect().size,vf2d(m.GetSizeMult(),m.GetSizeMult()));
 	}
+	for(Effect&e:foregroundEffects){
+		e.Draw();
+	}
 	for(std::vector<DamageNumber>::iterator it=DAMAGENUMBER_LIST.begin();it!=DAMAGENUMBER_LIST.end();++it){
 		DamageNumber&dn=*it;
 		dn.lifeTime+=fElapsedTime;
@@ -283,6 +320,11 @@ void Crawler::RenderWorld(float fElapsedTime){
 	}
 }
 
+void Crawler::AddEffect(Effect foreground,Effect background){
+	foregroundEffects.push_back(foreground);
+	backgroundEffects.push_back(background);
+}
+
 int main()
 {
 	Crawler demo;

Crawler/Crawler.h

@@ -6,24 +6,28 @@
 #include "olcPGEX_TransformedView.h"
 #include "Player.h"
 #include "olcUTIL_Camera2D.h"
-
+#include "Effect.h"
 
 class Crawler : public olc::PixelGameEngine
 {
 	const vi2d WORLD_SIZE={64,8};
 	Camera2D camera;
-	TileTransformedView view;
 	Player player;
-	Renderable GFX_Pl_Sheet,GFX_Slime_Sheet,GFX_Circle;
+	Renderable GFX_Pl_Sheet,GFX_Slime_Sheet,GFX_Circle,
+		GFX_Effect_GroundSlam_Back,GFX_Effect_GroundSlam_Front;
+	std::vector<Effect>foregroundEffects,backgroundEffects;
 
 public:
 	Crawler();
 
 public:
+	TileTransformedView view;
 	bool OnUserCreate() override;
 	bool OnUserUpdate(float fElapsedTime) override;
 	void InitializeAnimations();
 	void HandleUserInput(float fElapsedTime);
 	void UpdateCamera(float fElapsedTime);
+	void UpdateEffects(float fElapsedTime);
 	void RenderWorld(float fElapsedTime);
+	void AddEffect(Effect foreground,Effect background);
 };

Crawler/Crawler.vcxproj

@@ -132,6 +132,8 @@
     <ClInclude Include="Animation.h" />
     <ClInclude Include="Crawler.h" />
     <ClInclude Include="DamageNumber.h" />
+    <ClInclude Include="DEFINES.h" />
+    <ClInclude Include="Effect.h" />
     <ClInclude Include="Monster.h" />
     <ClInclude Include="olcPGEX_TransformedView.h" />
     <ClInclude Include="olcPixelGameEngine.h" />
@@ -144,11 +146,15 @@
   <ItemGroup>
     <ClCompile Include="Crawler.cpp" />
     <ClCompile Include="DamageNumber.cpp" />
+    <ClCompile Include="Effect.cpp" />
     <ClCompile Include="pixelGameEngine.cpp" />
     <ClCompile Include="Player.cpp" />
     <ClCompile Include="Monster.cpp" />
     <ClCompile Include="MonsterData.cpp" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="cpp.hint" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

Crawler/Crawler.vcxproj.filters

@@ -48,6 +48,12 @@
     <ClInclude Include="State.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="Effect.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="DEFINES.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Player.cpp">
@@ -68,5 +74,11 @@
     <ClCompile Include="pixelGameEngine.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="Effect.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="cpp.hint" />
   </ItemGroup>
 </Project>

Crawler/DEFINES.h

@@ -0,0 +1,7 @@
+#pragma once
+#define INCLUDE_ANIMATION_DATA extern std::map<AnimationState,Animate2D::FrameSequence>ANIMATION_DATA;
+#define INCLUDE_MONSTER_LIST extern std::vector<Monster>MONSTER_LIST;
+#define INCLUDE_SPAWNER_LIST extern std::vector<MonsterSpawner>SPAWNER_LIST;
+#define INCLUDE_DAMAGENUMBER_LIST extern std::vector<DamageNumber>DAMAGENUMBER_LIST;
+#define INCLUDE_game extern Crawler*game;
+#define INCLUDE_MONSTER_DATA extern std::map<MonsterName,MonsterData>MONSTER_DATA;

Crawler/Effect.cpp

@@ -0,0 +1,34 @@
+#include "DEFINES.h"
+#include "Effect.h"
+#include "Crawler.h"
+
+INCLUDE_ANIMATION_DATA
+INCLUDE_game
+
+Effect::Effect(vf2d pos,float lifetime,AnimationState animation,float fadeout)
+	:pos(pos),lifetime(lifetime),fadeout(fadeout),original_fadeoutTime(fadeout){
+	this->animation.AddState(animation,ANIMATION_DATA[animation]);
+}
+
+bool Effect::Update(float fElapsedTime){
+	lifetime-=fElapsedTime;
+	if(lifetime<=0){
+		fadeout-=fElapsedTime;
+		if(fadeout<=0){
+			return false;
+		}
+	}
+	animation.UpdateState(internal_animState,fElapsedTime);
+}
+
+void Effect::Draw(){
+	if(fadeout==0){
+		game->view.DrawPartialDecal(pos-GetFrame().GetSourceRect().size/2,GetFrame().GetSourceImage()->Decal(),GetFrame().GetSourceRect().pos,GetFrame().GetSourceRect().size);
+	} else {
+		game->view.DrawPartialDecal(pos-GetFrame().GetSourceRect().size/2,GetFrame().GetSourceImage()->Decal(),GetFrame().GetSourceRect().pos,GetFrame().GetSourceRect().size,{1,1},{255,255,255,uint8_t(fadeout/original_fadeoutTime*255)});
+	}
+}
+
+Animate2D::Frame Effect::GetFrame(){
+	return animation.GetFrame(internal_animState);
+}

Crawler/Effect.h

@@ -0,0 +1,18 @@
+#pragma once
+#include "olcPixelGameEngine.h"
+#include "Animation.h"
+#include "olcUTIL_Animate2D.h"
+
+struct Effect{
+	vf2d pos;
+	float lifetime;
+	float fadeout;
+	Effect(vf2d pos,float lifetime,AnimationState animation,float fadeout=0.0f);
+	bool Update(float fElapsedTime);
+	Animate2D::Frame GetFrame();
+	void Draw();
+private:
+	Animate2D::Animation<AnimationState>animation;
+	Animate2D::AnimationState internal_animState;
+	float original_fadeoutTime;
+};

Crawler/Monster.h

@@ -26,7 +26,7 @@ struct MonsterData{
 	MonsterName type;
 	public:
 	MonsterData();
-	//When specifying animations, the first one will become the default animation.
+	//When specifying animations, the first one will become the default animation. The last becomes the death animation.
 	MonsterData(MonsterName type,int hp,int atk,std::vector<AnimationState>animations,float moveSpd=1.0f,float size=1.0f,MonsterStrategy strategy=RUN_TOWARDS);
 	int GetHealth();
 	int GetAttack();

Crawler/Player.cpp

@@ -2,14 +2,14 @@
 #include "Player.h"
 #include "Crawler.h"
 #include "DamageNumber.h"
+#include "DEFINES.h"
 
-
+INCLUDE_MONSTER_DATA
-extern std::map<MonsterName,MonsterData>MONSTER_DATA;
+INCLUDE_MONSTER_LIST
-extern std::vector<Monster>MONSTER_LIST;
+INCLUDE_ANIMATION_DATA
-extern std::map<AnimationState,Animate2D::FrameSequence>ANIMATION_DATA;
+INCLUDE_SPAWNER_LIST
-extern std::vector<MonsterSpawner>SPAWNER_LIST;
+INCLUDE_DAMAGENUMBER_LIST
-extern std::vector<DamageNumber>DAMAGENUMBER_LIST;
+INCLUDE_game
-extern Crawler*game;
 
 const float Player::GROUND_SLAM_SPIN_TIME=0.6f;
 
@@ -116,6 +116,7 @@ void Player::Update(float fElapsedTime){
 				state=NORMAL;
 				spin_angle=0;
 				z=0;
+				game->AddEffect(Effect{GetPos(),0.5,AnimationState::GROUND_SLAM_ATTACK_FRONT,0.6f},Effect{GetPos(),0.5,AnimationState::GROUND_SLAM_ATTACK_BACK,0.6f});
 			}
 			if(lastAnimationFlip>0){
 				lastAnimationFlip=std::max(0.f,lastAnimationFlip-fElapsedTime);

Crawler/cpp.hint

@@ -0,0 +1,9 @@
+// Hint files help the Visual Studio IDE interpret Visual C++ identifiers
+// such as names of functions and macros.
+// For more information see https://go.microsoft.com/fwlink/?linkid=865984
+#define INCLUDE_ANIMATION_DATA
+#define INCLUDE_SPAWNER_LIST
+#define INCLUDE_DAMAGENUMBER_LIST
+#define INCLUDE_game
+#define INCLUDE_MONSTER_LIST
+#define INCLUDE_MONSTER_DATA