various implementation

Runtime/CObjectList.hpp

@@ -0,0 +1,98 @@
+#ifndef __RETRO_COBJECTLIST_HPP__
+#define __RETRO_COBJECTLIST_HPP__
+
+#include "CEntity.hpp"
+#include "RetroTypes.hpp"
+
+namespace Retro
+{
+
+enum EGameObjectList
+{
+    ListAll,
+    ListActor,
+    ListPhysicsActor,
+    ListGameCamera,
+    ListGameLight,
+    ListListeningAi,
+    ListAiWaypoint,
+    ListPlatformAndDoor,
+};
+
+class CObjectList
+{
+    struct SObjectListEntry
+    {
+        CEntity* entity = nullptr;
+        TUniqueId prev = -1;
+        TUniqueId next = -1;
+    };
+    SObjectListEntry m_list[1024];
+    EGameObjectList m_listEnum;
+    TUniqueId m_lastId = -1;
+    u16 m_count = 0;
+public:
+    CObjectList(EGameObjectList listEnum)
+    : m_listEnum(listEnum)
+    {}
+
+    void AddObject(CEntity& entity)
+    {
+        if (IsQualified())
+        {
+            if (m_lastId != -1)
+                m_list[m_lastId].next = entity.m_uid & 0x3ff;
+            TUniqueId prevLast = m_lastId;
+            m_lastId = entity.m_uid & 0x3ff;
+            SObjectListEntry& newEnt = m_list[m_lastId];
+            newEnt.entity = &entity;
+            newEnt.prev = prevLast;
+            newEnt.next = -1;
+            ++m_count;
+        }
+    }
+
+    void RemoveObject(TUniqueId uid)
+    {
+        uid = uid & 0x3ff;
+        SObjectListEntry& ent = m_list[uid];
+        if (!ent.entity || ent.entity->m_uid != uid)
+            return;
+        if (uid == m_lastId)
+        {
+            m_lastId = ent.prev;
+            if (ent.prev != -1)
+                m_list[ent.prev].next = -1;
+        }
+        else
+        {
+            if (ent.prev != -1)
+                m_list[ent.prev].next = -1;
+            m_list[ent.next].prev = -1;
+        }
+        ent.entity = nullptr;
+        ent.prev = -1;
+        ent.next = -1;
+        --m_count;
+    }
+
+    const CEntity* GetObjectById(TUniqueId uid) const
+    {
+        if (!uid)
+            return nullptr;
+        return m_list[uid & 0x3ff].entity;
+    }
+
+    CEntity* GetObjectById(TUniqueId uid)
+    {
+        if (!uid)
+            return nullptr;
+        return m_list[uid & 0x3ff].entity;
+    }
+
+    virtual bool IsQualified() {return true;}
+};
+
+}
+
+#endif // __RETRO_COBJECTLIST_HPP__