伴飞系统，技能飞行物垂直入场

1.6/1.6/Defs/Thing_Misc/ARA_Flyover_Item.xml

@@ -34,8 +34,9 @@
     <useHitPoints>false</useHitPoints>
     <selectable>false</selectable>
     <alwaysHaulable>false</alwaysHaulable>
-    <altitudeLayer>LightingOverlay</altitudeLayer>
+    <altitudeLayer>FogOfWar</altitudeLayer>
     <comps>
+      <!-- 入场信封信息 -->
       <li Class="ArachnaeSwarm.CompProperties_SendLetterAfterTicks">
         <ticksDelay>60</ticksDelay> <!-- 2秒后发送 -->
         <letterLabel>虫巢母舰</letterLabel>
@@ -45,6 +46,7 @@
         <requireOnMap>true</requireOnMap>
         <destroyAfterSending>false</destroyAfterSending> <!-- 发送后销毁flyover -->
       </li>
+      <!-- 空投 -->
       <li Class="ArachnaeSwarm.CompProperties_FlyOverDropPods">
         <!-- <dropProgress>0.5</dropProgress> -->
         <useCyclicDrops>true</useCyclicDrops>
@@ -102,13 +104,13 @@
         <joinPlayer>false</joinPlayer>
         <makePrisoners>false</makePrisoners>
       </li>
+      <!-- 炮击支援 -->
       <li Class="ArachnaeSwarm.CompProperties_ShipArtillery">
         <ticksBetweenAttacks>600</ticksBetweenAttacks>
         <attackDurationTicks>600</attackDurationTicks>
         <warmupTicks>60</warmupTicks>
         <attackRadius>60</attackRadius>
         <shellsPerVolley>3</shellsPerVolley>
-        <scatterRadius>60</scatterRadius>
         <ignoreProtectionChance>0.1</ignoreProtectionChance>
         
         <skyfallerDef>ARA_HiveShip_Fire_Incoming</skyfallerDef>
@@ -120,13 +122,78 @@
         <avoidPlayerAssets>true</avoidPlayerAssets>
         <playerAssetAvoidanceRadius>10</playerAssetAvoidanceRadius>
         
-        <sendAttackLetter>true</sendAttackLetter>
+        <sendAttackLetter>false</sendAttackLetter>
         <customLetterLabel>战舰炮击警告</customLetterLabel>
         <customLetterText>一艘敌方战舰正在对殖民地进行炮击！立即寻找掩护！</customLetterText>
         <letterDef>ThreatBig</letterDef>
       </li>
+      <!-- 伴飞 -->
+      <li Class="ArachnaeSwarm.CompProperties_FlyOverEscort">
+        <escortFlyOverDef>ARA_HiveCorvette</escortFlyOverDef>
+        
+        <!-- 生成配置 -->
+        <spawnIntervalTicks>250</spawnIntervalTicks> <!-- 5秒 -->
+        <maxEscorts>60</maxEscorts>
+        <spawnCount>1</spawnCount>
+        
+        <!-- 位置配置 -->
+        <spawnDistance>15</spawnDistance>
+        <lateralOffset>200</lateralOffset>
+        <verticalOffset>5</verticalOffset>
+        <useRandomOffset>true</useRandomOffset>
+        
+        <!-- 飞行配置 -->
+        <escortSpeedMultiplier>20</escortSpeedMultiplier> <!-- 比主舰稍快 -->
+        <escortAltitudeOffset>10</escortAltitudeOffset> <!-- 比主舰稍高 -->
+        <mirrorMovement>false</mirrorMovement>
+        
+        <!-- 行为配置 -->
+        <spawnOnStart>true</spawnOnStart>
+        <destroyWithParent>false</destroyWithParent>
+        <continuousSpawning>true</continuousSpawning>
+        
+        <!-- 外观配置 -->
+        <escortScale>0.6</escortScale>
+        <useParentRotation>true</useParentRotation>
+      </li>
     </comps>
   </ThingDef>
+  <ThingDef Parent="EtherealThingBase">
+    <defName>ARA_HiveCorvette</defName>
+    <label>天巫虫巢舰</label>
+    <thingClass>ArachnaeSwarm.FlyOver</thingClass>
+    <tickerType>Normal</tickerType>
+    <drawerType>RealtimeOnly</drawerType>
+    <graphicData>
+      <!-- <texPath>ArachnaeSwarm/Weapon/ARA_Weapon_Empty</texPath> -->
+      <texPath>ArachnaeSwarm/FlyOverThing/ARA_HiveShip_Shadow</texPath>
+      <graphicClass>Graphic_Single</graphicClass>
+      <shaderType>TransparentPostLight</shaderType>
+      <drawSize>(20,30)</drawSize>
+      <color>(195,195,195,45)</color>
+    </graphicData>
+    <skyfaller>
+      <shadowSize>(0, 0)</shadowSize>
+      <motesPerCell>0</motesPerCell>
+      <floatingSound>FlyOver/Flying</floatingSound>
+      <impactSound>FlyOver/Landing</impactSound>
+    </skyfaller>
+    <modExtensions>
+      <li Class="ArachnaeSwarm.FlyOverShadowExtension">
+        <customShadowPath>ArachnaeSwarm/FlyOverThing/ARA_HiveShip_Shadow</customShadowPath>
+        <useCustomShadow>false</useCustomShadow>
+        <!-- <shadowIntensity>0.8</shadowIntensity>
+        <minShadowAlpha>0</minShadowAlpha>
+        <maxShadowAlpha>0</maxShadowAlpha>
+        <minShadowScale>15</minShadowScale>
+        <maxShadowScale>15</maxShadowScale> -->
+      </li>
+    </modExtensions>
+    <useHitPoints>false</useHitPoints>
+    <selectable>false</selectable>
+    <alwaysHaulable>false</alwaysHaulable>
+    <altitudeLayer>FogOfWar</altitudeLayer>
+  </ThingDef>
 
   <ThingDef ParentName="SkyfallerBase">
     <defName>ARA_HiveShip_Fire_Incoming</defName>
@@ -140,6 +207,12 @@
       <explosionDamage>ARA_AcidBurn</explosionDamage>
       <explosionDamageFactor>0.5</explosionDamageFactor>
       <cameraShake>1</cameraShake>
+      <angleCurve>
+        <points>
+          <li>(0,0)</li>
+          <li>(1,-1)</li>
+        </points>
+      </angleCurve>
     </skyfaller>
   </ThingDef>
 </Defs>