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Source/WulaFallenEmpire/EventSystem/Effect/Effect_CallSkyfaller.cs

@@ -0,0 +1,129 @@
+using System.Collections.Generic;
+using Verse;
+using RimWorld;
+using UnityEngine;
+
+namespace WulaFallenEmpire
+{
+    public class Effect_CallSkyfaller : EffectBase
+    {
+        public ThingDef skyfallerDef;
+        public int delayTicks = 120;
+        public bool checkClearance = true;
+        public int clearanceRadius = 3;
+        public string letterLabel;
+        public string letterText;
+        public LetterDef letterDef;
+
+        public override void Execute(Window dialog = null)
+        {
+            Map currentMap = Find.CurrentMap;
+            if (currentMap == null)
+            {
+                Log.Error("[WulaFallenEmpire] Effect_CallSkyfaller cannot execute without a current map.");
+                return;
+            }
+
+            if (skyfallerDef == null)
+            {
+                Log.Error("[WulaFallenEmpire] Effect_CallSkyfaller has a null skyfallerDef.");
+                return;
+            }
+
+            // 寻找合适的掉落点
+            IntVec3 dropCenter;
+            if (checkClearance)
+            {
+                dropCenter = FindDropSpotWithClearance(currentMap, clearanceRadius);
+            }
+            else
+            {
+                dropCenter = DropCellFinder.RandomDropSpot(currentMap);
+            }
+
+            if (!dropCenter.IsValid)
+            {
+                Log.Error("[WulaFallenEmpire] Effect_CallSkyfaller could not find a valid drop spot.");
+                return;
+            }
+
+            // 创建延时召唤
+            CallSkyfallerDelayed(dropCenter, currentMap);
+
+            // 发送通知信件
+            if (!string.IsNullOrEmpty(letterLabel) && !string.IsNullOrEmpty(letterText))
+            {
+                Find.LetterStack.ReceiveLetter(letterLabel, letterText, letterDef ?? LetterDefOf.NeutralEvent);
+            }
+
+            Log.Message($"[WulaFallenEmpire] Scheduled skyfaller '{skyfallerDef.defName}' at {dropCenter} with {delayTicks} ticks delay");
+        }
+
+        private IntVec3 FindDropSpotWithClearance(Map map, int radius)
+        {
+            // 优先在殖民地附近寻找
+            IntVec3 result;
+            if (RCellFinder.TryFindRandomCellNearTheCenterOfTheMapWith(
+                (IntVec3 c) => IsValidDropSpotWithClearance(c, map, radius) && map.reachability.CanReachColony(c),
+                map, out result))
+            {
+                return result;
+            }
+
+            // 如果找不到，放宽条件
+            if (CellFinder.TryFindRandomCellNear(map.Center, map, Mathf.Max(map.Size.x / 4, 10), 
+                (IntVec3 c) => IsValidDropSpotWithClearance(c, map, radius), out result))
+            {
+                return result;
+            }
+
+            // 最后尝试任何有效位置
+            if (CellFinder.TryFindRandomCellNear(map.Center, map, map.Size.x / 2, 
+                (IntVec3 c) => IsValidDropSpotWithClearance(c, map, radius), out result))
+            {
+                return result;
+            }
+
+            return IntVec3.Invalid;
+        }
+
+        private bool IsValidDropSpotWithClearance(IntVec3 center, Map map, int radius)
+        {
+            // 检查中心点是否有效
+            if (!center.IsValid || !center.InBounds(map) || !center.Standable(map) || center.Fogged(map))
+                return false;
+
+            // 检查指定半径内的所有单元格
+            foreach (IntVec3 cell in GenRadial.RadialCellsAround(center, radius, true))
+            {
+                if (!cell.InBounds(map) || !cell.Walkable(map) || cell.Fogged(map))
+                    return false;
+
+                // 检查是否有建筑物阻挡
+                Building building = cell.GetEdifice(map);
+                if (building != null && building.def.passability == Traversability.Impassable)
+                    return false;
+
+                // 检查是否有屋顶（可选，根据需求调整）
+                if (cell.Roofed(map))
+                    return false;
+            }
+
+            return true;
+        }
+
+        private void CallSkyfallerDelayed(IntVec3 targetCell, Map map)
+        {
+            // 获取或创建延时组件
+            var delayedComponent = map.GetComponent<MapComponent_SkyfallerDelayed>();
+            if (delayedComponent == null)
+            {
+                delayedComponent = new MapComponent_SkyfallerDelayed(map);
+                map.components.Add(delayedComponent);
+            }
+
+            // 安排延时召唤
+            delayedComponent.ScheduleSkyfaller(skyfallerDef, targetCell, delayTicks);
+        }
+    }
+}

Source/WulaFallenEmpire/EventSystem/QuestNode/QuestNode_EventLetter.cs

@@ -0,0 +1,98 @@
+using RimWorld;
+using RimWorld.QuestGen;
+using System;
+using Verse;
+
+namespace WulaFallenEmpire
+{
+    public class QuestNode_EventLetter : QuestNode
+    {
+        [NoTranslate]
+        public SlateRef<string> inSignal;
+        
+        public SlateRef<string> eventDefName;
+
+        protected override bool TestRunInt(Slate slate)
+        {
+            return true;
+        }
+
+        protected override void RunInt()
+        {
+            Slate slate = QuestGen.slate;
+            string signal = inSignal.GetValue(slate);
+            string defName = eventDefName.GetValue(slate);
+
+            if (defName.NullOrEmpty())
+            {
+                Log.Error("[WulaFallenEmpire] QuestNode_EventLetter: eventDefName is not specified.");
+                return;
+            }
+
+            // 关键：使用 HardcodedSignalWithQuestID 处理信号
+            string processedSignal = QuestGenUtility.HardcodedSignalWithQuestID(signal) ?? slate.Get<string>("inSignal");
+
+            QuestPart_EventLetter questPart = new QuestPart_EventLetter();
+            questPart.inSignal = processedSignal;
+            questPart.eventDefName = defName;
+            
+            QuestGen.quest.AddPart(questPart);
+        }
+    }
+
+    public class QuestPart_EventLetter : QuestPart
+    {
+        public string inSignal;
+        public string eventDefName;
+
+        public override void Notify_QuestSignalReceived(Signal signal)
+        {
+            base.Notify_QuestSignalReceived(signal);
+            
+            Log.Message($"[WulaFallenEmpire] QuestPart_EventLetter received signal: '{signal.tag}', waiting for: '{inSignal}'");
+            
+            if (signal.tag == inSignal)
+            {
+                Log.Message($"[WulaFallenEmpire] Signal matched! Opening EventDef: {eventDefName}");
+                OpenEventDefWindow(eventDefName);
+            }
+        }
+
+        private void OpenEventDefWindow(string defName)
+        {
+            try
+            {
+                EventDef eventDef = DefDatabase<EventDef>.GetNamed(defName, false);
+                if (eventDef == null)
+                {
+                    Log.Error($"[WulaFallenEmpire] EventDef '{defName}' not found in DefDatabase.");
+                    return;
+                }
+
+                if (eventDef.windowType == null)
+                {
+                    Log.Error($"[WulaFallenEmpire] EventDef '{defName}' has null windowType.");
+                    return;
+                }
+
+                Log.Message($"[WulaFallenEmpire] Creating window instance for {defName} with type {eventDef.windowType}");
+                Window window = (Window)Activator.CreateInstance(eventDef.windowType, eventDef);
+                
+                Log.Message($"[WulaFallenEmpire] Adding window to WindowStack");
+                Find.WindowStack.Add(window);
+                Log.Message($"[WulaFallenEmpire] Successfully opened EventDef window: {defName}");
+            }
+            catch (Exception ex)
+            {
+                Log.Error($"[WulaFallenEmpire] Error opening EventDef window '{defName}': {ex}");
+            }
+        }
+
+        public override void ExposeData()
+        {
+            base.ExposeData();
+            Scribe_Values.Look(ref inSignal, "inSignal");
+            Scribe_Values.Look(ref eventDefName, "eventDefName");
+        }
+    }
+}

Source/WulaFallenEmpire/WulaFallenEmpire.csproj

@@ -106,9 +106,11 @@
     <Compile Include="EventSystem\Dialog_CustomDisplay.cs" />
     <Compile Include="EventSystem\Dialog_ManageEventVariables.cs" />
     <Compile Include="EventSystem\Effect\EffectBase.cs" />
+    <Compile Include="EventSystem\Effect\Effect_CallSkyfaller.cs" />
     <Compile Include="EventSystem\EventDef.cs" />
     <Compile Include="EventSystem\EventUIConfigDef.cs" />
     <Compile Include="EventSystem\EventVariableManager.cs" />
+    <Compile Include="EventSystem\QuestNode\QuestNode_EventLetter.cs" />
     <Compile Include="EventSystem\QuestNode\QuestNode_Root_EventLetter.cs" />
     <Compile Include="Flyover\ThingclassFlyOver.cs" />
     <Compile Include="Flyover\WULA_AircraftHangar\CompAbilityEffect_AircraftStrike.cs" />