2023/1/8日更新，将胖子喷到第一人后选取喷吐范围内目标按距离升序排序更改为按照胖子视角与当前生还方向角度升序排序

Update_log.md

@@ -249,6 +249,8 @@ witchparty 和 allcharger模式在普通药役的基础上小僵尸再减少17-2
 #### ai_boomer_2
 - 强喷功能更新，大大降低胖子喷不到人的几率，而且让胖子转动，显得很合理（其实真合理，不过用插件改变不了胖子的喷射路径，只能用这种办法
 - 有高度差计算不准确的问题也修了，站高处也能被强制喷了
+- 2023/1/8日更新，将胖子喷到第一人后选取喷吐范围内目标按距离升序排序更改为按照胖子视角与当前生还方向角度升序排序
+
 
 #### ai_jockey_2
 - 继续降低高跳角度，降低高跳速度

addons/sourcemod/scripting/AnneHappy/ai_boomer_2.sp

@@ -13,7 +13,7 @@
 #define FALL_DETECT_HEIGHT 120.0
 #define COMMAND_INTERVAL 1.0
 #define PLAYER_HEIGHT 72.0
-#define DEBUG_ALL 1
+#define DEBUG_ALL 0
 
 enum AimType
 {
@@ -320,26 +320,41 @@ public Action L4D2_OnChooseVictim(int specialInfected, int &curTarget)
 // 当生还被胖子喷中时，开始计算范围内的玩家
 public Action L4D_OnVomitedUpon(int victim, int &attacker, bool &boomerExplosion)
 {
+	if (!IsBoomer(attacker) && targetList[attacker].Length > 1) { return Plugin_Continue; }
 	// 当前 Boomer 目标集合中没有目标，开始获取目标
-	if (IsBoomer(attacker) && targetList[attacker].Length < 1)
+	static int i;
+	static float eyePos[3], targetEyePos[3], dist, angle;
+	GetClientEyePosition(attacker, eyePos);
+	for (i = 1; i <= MaxClients; i++)
 	{
-		float eyePos[3] = {0.0}, targetEyePos[3] = {0.0}, dist = 0.0;
-		GetClientEyePosition(attacker, eyePos);
-		for (int i = 1; i <= MaxClients; i++)
+		if (!IsClientInGame(i) || GetClientTeam(i) != TEAM_SURVIVOR || !IsPlayerAlive(i) || i == victim) { continue; }
+		GetClientEyePosition(i, targetEyePos);
+		dist = GetVectorDistance(eyePos, targetEyePos);
+		if (dist > g_hVomitRange.FloatValue) { continue; }
+		Handle trace = TR_TraceRayFilterEx(eyePos, targetEyePos, MASK_VISIBLE, RayType_EndPoint, TR_RayFilter, attacker);
+		// 按照与当前胖子眼睛视线的角度大小来定位玩家
+		if (!TR_DidHit(trace) || TR_GetEntityIndex(trace) == i)
 		{
-			if (i != victim && IsClientInGame(i) && GetClientTeam(i) == TEAM_SURVIVOR && IsPlayerAlive(i))
-			{
-				GetClientEyePosition(i, targetEyePos);
-				dist = GetVectorDistance(eyePos, targetEyePos);
-				if (dist <= g_hVomitRange.FloatValue)
-				{
-					Handle trace = TR_TraceRayFilterEx(eyePos, targetEyePos, MASK_VISIBLE, RayType_EndPoint, TR_RayFilter, attacker);
-					if (!TR_DidHit(trace) || TR_GetEntityIndex(trace) == i) { targetList[attacker].Set(targetList[attacker].Push(dist), i, 1); }
-					delete trace;
-				}
-			}
+			angle = getSelfTargetAngle(attacker, i);
+			#if DEBUG_ALL
+				PrintToConsoleAll("[Ai-Boomer]：%N 的视角与目标 %N 的角度是：%.2f 度", attacker, i, angle);
+			#endif
+			targetList[attacker].Set(targetList[attacker].Push(angle), i, 1);
+		}
+		delete trace;
+	}
+	if (targetList[attacker].Length > 1)
+	{
+		targetList[attacker].Sort(Sort_Ascending, Sort_Float);
+		#if DEBUG_ALL
+			PrintToConsoleAll("[Ai-Boomer]：开始按顺序输出 %N 的目标", attacker);
+		#endif
+		for (i = 0; i < targetList[attacker].Length; i++)
+		{
+			#if DEBUG_ALL
+				PrintToConsoleAll("[Ai-Boomer]：%N 的下一个目标是：%N，角度是：%.2f 度", attacker, targetList[attacker].Get(i, 1), targetList[attacker].Get(i, 0));
+			#endif
 		}
-		if (targetList[attacker].Length > 1) { targetList[attacker].Sort(Sort_Ascending, Sort_Float); }
 	}
 	return Plugin_Continue;
 }
@@ -489,6 +504,14 @@ void ComputeAimAngles(int client, int target, float angles[3], AimType type = Ai
 static bool isInAimOffset(int attacker, int target, float offset)
 {
 	if (!IsBoomer(attacker) || !IsPlayerAlive(attacker) || !IsValidSurvivor(target) || !IsPlayerAlive(target)) { return false; }
+	static float angle;
+	angle = getSelfTargetAngle(attacker, target);
+	return angle != -1.0 && angle <= offset;
+}
+
+static float getSelfTargetAngle(int attacker, int target)
+{
+	if (!IsBoomer(attacker) || !IsPlayerAlive(attacker) || !IsValidSurvivor(target) || !IsPlayerAlive(target)) { return -1.0; }
 	static float selfEyePos[3], targetEyePos[3], resultPos[3], selfEyeVector[3];
 	// 和目标的方向向量，要在 NormalizeVector 前将向量 xz 方向设置为 0
 	GetClientEyePosition(attacker, selfEyePos);
@@ -501,5 +524,5 @@ static bool isInAimOffset(int attacker, int target, float offset)
 	selfEyePos[0] = selfEyePos[2] = 0.0;
 	GetAngleVectors(selfEyePos, selfEyeVector, NULL_VECTOR, NULL_VECTOR);
 	NormalizeVector(selfEyeVector, selfEyeVector);
-	return RadToDeg(ArcCosine(GetVectorDotProduct(selfEyeVector, resultPos))) <= offset;
+	return RadToDeg(ArcCosine(GetVectorDotProduct(selfEyeVector, resultPos)));
 }