Implemented Crab AI. Release Build 11683.

Adventures in Lestoria/Crab.cpp

@@ -47,5 +47,72 @@ using A=Attribute;
 INCLUDE_game
 
 void Monster::STRATEGY::CRAB(Monster&m,float fElapsedTime,std::string strategy){
+	enum PhaseName{
+		INIT,
+		MOVE,
+		PREPARE_CHARGE,
+		CHARGE,
+	};
 
+	switch(PHASE()){
+		case INIT:{
+			m.B(A::RANDOM_DIRECTION)=util::random()%2;
+			m.F(A::RANDOM_RANGE)=util::random_range(ConfigPixelsArr("Random Direction Range",0),ConfigPixelsArr("Random Direction Range",1));
+			SETPHASE(MOVE);
+		}break;	
+		case MOVE:{
+			m.F(A::ATTACK_COOLDOWN)+=fElapsedTime;
+			m.F(A::LAST_JUMP_TIMER)+=fElapsedTime;
+
+			float distToPlayer=m.GetDistanceFrom(game->GetPlayer()->GetPos());
+
+			const bool outsideMaxShootingRange=distToPlayer>=ConfigPixelsArr("Stand Still and Shoot Range",1);
+
+			if(m.F(A::LAST_JUMP_TIMER)>=ConfigFloat("Stop Check Interval")){
+				if(util::random(100)<=ConfigFloat("Stop Percent")){
+					SETPHASE(PREPARE_CHARGE);
+					m.PerformAnimation("CHARGEUP",m.GetFacingDirectionToTarget(game->GetPlayer()->GetPos()));
+					m.F(A::CASTING_TIMER)=ConfigFloat("Charge Wait Time");
+					m.target=game->GetPlayer()->GetPos()+util::distance(m.GetPos(),game->GetPlayer()->GetPos())*util::pointTo(m.GetPos(),game->GetPlayer()->GetPos());
+				}else
+				if(util::random(100)<=ConfigFloat("Change Direction Chance"))m.B(A::RANDOM_DIRECTION)=!m.B(A::RANDOM_DIRECTION);
+				m.F(A::LAST_JUMP_TIMER)=0.f;
+			}else
+			if(outsideMaxShootingRange){
+				m.target=game->GetPlayer()->GetPos();
+				RUN_TOWARDS(m,fElapsedTime,"Run Towards");
+			}else
+			if(distToPlayer<ConfigPixels("Run Away Range")){
+				m.target=geom2d::line<float>(m.GetPos(),game->GetPlayer()->GetPos()).upoint(-1);
+				RUN_TOWARDS(m,fElapsedTime,"Run Towards");
+			}else
+			if(distToPlayer>=ConfigPixelsArr("Random Direction Range",0)&&distToPlayer<ConfigPixelsArr("Random Direction Range",1)){
+				#define CW true
+				#define CCW false
+				//We are going to walk in a circular direction either CW or CCW (determined in windup phase)
+				float dirFromPlayer=util::angleTo(game->GetPlayer()->GetPos(),m.GetPos());
+				float targetDir=m.B(A::RANDOM_DIRECTION)==CW?dirFromPlayer+PI/4:dirFromPlayer-PI/4;
+				m.target=game->GetPlayer()->GetPos()+vf2d{m.F(A::RANDOM_RANGE),targetDir}.cart();
+				RUN_TOWARDS(m,fElapsedTime,"Run Towards");		
+				m.F(A::CHASE_TIMER)=1.f;
+			}
+		}break;
+		case PREPARE_CHARGE:{
+			m.F(A::CASTING_TIMER)-=fElapsedTime;
+			if(m.F(A::CASTING_TIMER)<=0.f){
+				SETPHASE(CHARGE);
+				m.F(A::CHASE_TIMER)=ConfigFloat("Charge Max Time");
+				m.PerformAnimation("PINCER");
+			}
+		}break;
+		case CHARGE:{
+			m.F(A::CHASE_TIMER)-=fElapsedTime;
+			RUN_TOWARDS(m,fElapsedTime,"Run Towards");
+			if(m.F(A::CHASE_TIMER)<=0.f||m.ReachedTargetPos()){
+				SETPHASE(MOVE);
+				m.B(A::RANDOM_DIRECTION)=util::random()%2;
+				m.F(A::RANDOM_RANGE)=util::random_range(ConfigPixelsArr("Random Direction Range",0),ConfigPixelsArr("Random Direction Range",1));
+			}
+		}break;
+	}
 }

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 11674
+#define VERSION_BUILD 11683
 
 #define stringify(a) stringify_(a)
 #define stringify_(a) #a

Adventures in Lestoria/assets/Campaigns/3_1.tmx

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map version="1.10" tiledversion="1.10.2" class="Map" orientation="orthogonal" renderorder="right-down" width="335" height="165" tilewidth="24" tileheight="24" infinite="0" nextlayerid="8" nextobjectid="85">
+<map version="1.10" tiledversion="1.10.2" class="Map" orientation="orthogonal" renderorder="right-down" width="335" height="165" tilewidth="24" tileheight="24" infinite="0" nextlayerid="8" nextobjectid="100">
  <properties>
   <property name="Background Music" propertytype="BGM" value="beach"/>
   <property name="Level Type" type="int" propertytype="LevelType" value="0"/>
@@ -1243,27 +1243,17 @@
    </properties>
    <point/>
   </object>
-  <object id="80" template="../maps/Monsters/Seagull.tx" x="558" y="1494">
+  <object id="97" template="../maps/Monsters/Crab.tx" x="576" y="1458">
    <properties>
     <property name="spawner" type="object" value="8"/>
    </properties>
   </object>
-  <object id="81" template="../maps/Monsters/Seagull.tx" x="894" y="1338">
+  <object id="98" template="../maps/Monsters/Crab.tx" x="588" y="1422">
    <properties>
     <property name="spawner" type="object" value="8"/>
    </properties>
   </object>
-  <object id="82" template="../maps/Monsters/Seagull.tx" x="948" y="1464">
+  <object id="99" template="../maps/Monsters/Crab.tx" x="588" y="1398">
-   <properties>
-    <property name="spawner" type="object" value="8"/>
-   </properties>
-  </object>
-  <object id="83" template="../maps/Monsters/Seagull.tx" x="864" y="1584">
-   <properties>
-    <property name="spawner" type="object" value="8"/>
-   </properties>
-  </object>
-  <object id="84" template="../maps/Monsters/Seagull.tx" x="978" y="1584">
    <properties>
     <property name="spawner" type="object" value="8"/>
    </properties>

Adventures in Lestoria/assets/config/MonsterStrategies.txt

@@ -1156,6 +1156,21 @@ MonsterStrategy
 	}
 	Crab
 	{
+		# When the monster will attempt to run away from target.
+		Run Away Range = 400
+		# Chooses a random direction within the confines of this range, stays within it.
+		Random Direction Range = 400,600
+		# Does not move and shoots from anywhere in these ranges.
+		Stand Still and Shoot Range = 600,600
+		# Anything outside the max "Stand Still and Shoot Range" will cause the monster to move towards the target instead.
+
+		# How often to check for a charge stop.
+		Stop Check Interval = 1s
+		# Percentage chance to perform charge each stop.
+		Stop Percent = 20%
+		Change Direction Chance = 10%
 
+		Charge Wait Time = 0.3s
+		Charge Max Time = 3s
 	}
 }

Adventures in Lestoria/assets/config/Monsters.txt

@@ -1537,6 +1537,7 @@ Monsters
 			WALK = 2, 0.15, Repeat
 			PINCER = 3, 0.3, Repeat
 			DEATH = 2, 0.15, OneShot
+			CHARGEUP = 1, 0.1, OneShot
 		}
 
 		# Drop Item Name, Drop Percentage(0-100%), Drop Min Quantity, Drop Max Quantity

Adventures in Lestoria/assets/maps/Monster_Presets.tmx

@@ -32,7 +32,7 @@
   <object id="34" template="Monsters/Crab.tx" type="Monster" x="-120" y="408" width="28.8" height="28.8"/>
   <object id="36" template="Monsters/Pirate.tx" type="Monster" x="-24" y="420"/>
   <object id="37" template="Monsters/Pirate Captain.tx" type="Monster" x="60" y="420"/>
-  <object id="38" name="Seagull" type="Monster" gid="26" x="18" y="498" width="38.4" height="38.4"/>
+  <object id="38" template="Monsters/Seagull.tx" type="Monster" x="18" y="498"/>
   <object id="39" template="Monsters/Pirate Buccaneer.tx" type="Monster" x="90" y="486"/>
   <object id="40" template="Monsters/Pirate Marauder.tx" type="Monster" x="-72" y="492"/>
   <object id="41" template="Monsters/Sandworm.tx" type="Monster" x="168" y="534"/>