/*
===========================================================================
Copyright (C) 2015 the OpenMoHAA team

This file is part of OpenMoHAA source code.

OpenMoHAA source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

OpenMoHAA source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

// listener.cpp : Listener.

#include "../script/scriptvariable.h"
#include "../script/scriptexception.h"
#include "Linklist.h"

#ifdef WITH_SCRIPT_ENGINE
#    include "../fgame/archive.h"
#    include "../fgame/scriptmaster.h"
#    include "../fgame/scriptthread.h"
#    include "../script/scriptclass.h"
#endif

#if defined(GAME_DLL)

#    include "../fgame/player.h"
#    include "../fgame/consoleevent.h"
#    include "../fgame/animationevent.h"

#    define LISTENER_Cvar_Get gi.Cvar_Get

#elif defined(CGAME_DLL)

#    define LISTENER_Cvar_Get cgi.Cvar_Get

#elif defined(UI_LIB)
#else

#    define LISTENER_Cvar_Get Cvar_Get

#    include "../client/client.h"
#endif

// std::move
#include <utility>

DataNode                          *Event::DataNodeList = NULL;
con_map<Event *, EventDef>         Event::eventDefList;
con_arrayset<command_t, command_t> Event::commandList;

#ifdef WITH_SCRIPT_ENGINE

con_map<const_str, unsigned int> Event::normalCommandList;
con_map<const_str, unsigned int> Event::returnCommandList;
con_map<const_str, unsigned int> Event::getterCommandList;
con_map<const_str, unsigned int> Event::setterCommandList;

#endif

EventQueueNode Event::EventQueue;

int DisableListenerNotify = 0;

bool Listener::EventSystemStarted = 0;

int Event::totalevents = 1;

Event EV_Listener_CancelFor
(
    "cancelFor",
    EV_DEFAULT,
    "s",
    "name",
    "Cancel for event of type name.",
    EV_NORMAL
);

Event EV_Listener_CommandDelay
(
    "commanddelay",
    EV_DEFAULT,
    "fsSSSSSS",
    "delay command arg1 arg2 arg3 arg4 arg5 arg6",
    "executes a command after the given delay.",
    EV_NORMAL
);

Event EV_Listener_Classname
(
    "classname",
    EV_DEFAULT,
    NULL,
    NULL,
    "classname variable",
    EV_GETTER
);

Event EV_Listener_SetClassname
(
    "classname",
    EV_DEFAULT,
    "s",
    "classname",
    "classname variable",
    EV_NORMAL
);

Event EV_Listener_CreateReturnThread
(
    "thread",
    EV_DEFAULT,
    "s",
    "label",
    "Creates a thread starting at label.",
    EV_RETURN
);

Event EV_Listener_CreateThread
(
    "thread",
    EV_DEFAULT,
    "s",
    "label",
    "Creates a thread starting at label.",
    EV_NORMAL
);

Event EV_Listener_ExecuteReturnScript
(
    "exec",
    EV_DEFAULT,
    "s",
    "script",
    "Executes the specified script.",
    EV_RETURN
);

Event EV_Listener_ExecuteScript
(
    "exec",
    EV_DEFAULT,
    "s",
    "script",
    "Executes the specified script.",
    EV_NORMAL
);

Event EV_Delete
(
    "delete",
    EV_DEFAULT,
    NULL,
    NULL,
    "Removes this listener immediately.",
    EV_NORMAL
);

Event EV_Remove
(
    "immediateremove",
    EV_DEFAULT,
    NULL,
    NULL,
    "Removes this listener immediately.",
    EV_NORMAL
);

Event EV_ScriptRemove
(
    "remove",
    EV_DEFAULT,
    NULL,
    NULL,
    "Removes this listener the next time events are processed.",
    EV_NORMAL
);

Event EV_Listener_EndOn
(
    "endon",
    EV_DEFAULT,
    "s",
    "name",
    "Ends the function when the specified event is triggered.",
    EV_NORMAL
);

Event EV_Listener_InheritsFrom
(
    "inheritsfrom",
    EV_DEFAULT,
    "s",
    "class",
    "Returns 1 if the class inherits from the specified class. 0 otherwise.",
    EV_RETURN
);

Event EV_Listener_IsInheritedBy
(
    "isinheritedby",
    EV_DEFAULT,
    "s",
    "class",
    "Returns 1 if the class is inherited by the specified class. 0 otherwise.",
    EV_RETURN
);

Event EV_Listener_Notify
(
    "notify",
    EV_DEFAULT,
    "s",
    "name",
    "Triggers an event. An undefined event will be automatically created by calling waittill or endon.",
    EV_NORMAL
);

Event EV_Listener_GetOwner
(
    "owner",
    EV_DEFAULT,
    NULL,
    NULL,
    "Returns the owner.",
    EV_GETTER
);

Event EV_DelayThrow
(
    "delaythrow",
    EV_DEFAULT,
    "s",
    "label",
    "Internal usage.",
    EV_NORMAL
);

Event EV_Throw
(
    "throw",
    EV_DEFAULT,
    "s",
    "label",
    "Throws to the specified label.",
    EV_NORMAL
);

Event EV_Listener_Unregister
(
    "unregister",
    EV_DEFAULT,
    "s",
    "label",
    "Unregisters the label from the event of the same name.",
    EV_NORMAL
);

Event EV_Listener_WaitCreateReturnThread
(
    "waitthread",
    EV_DEFAULT,
    "s",
    "label",
    "Creates a thread starting at label and waits until the called thread is finished.",
    EV_RETURN
);

Event EV_Listener_WaitCreateThread
(
    "waitthread",
    EV_DEFAULT,
    "s",
    "label",
    "Creates a thread starting at label and waits until the called thread is finished.",
    EV_NORMAL
);

Event EV_Listener_WaitExecuteReturnScript
(
    "waitexec",
    EV_DEFAULT,
    "s",
    "script",
    "Executes the specified script and waits until the called thread group is finished.",
    EV_RETURN
);

Event EV_Listener_WaitExecuteScript
(
    "waitexec",
    EV_DEFAULT,
    "s",
    "script",
    "Executes the specified script and waits until the called thread group is finished.",
    EV_NORMAL
);

Event EV_Listener_WaitTill
(
    "waitTill",
    EV_DEFAULT,
    "s",
    "name",
    "Wait until event of type name",
    EV_NORMAL
);

Event EV_Listener_WaitTillTimeout
(
    "waittill_timeout",
    EV_DEFAULT,
    "fs",
    "timeout_time name",
    "Wait until event of type name with a timeout time",
    EV_NORMAL
);

Event EV_Listener_WaitTillAny
(
    "waittill_any",
    EV_DEFAULT,
    "sS",
    "name1 ...",
    "Wait until any event of type name",
    EV_NORMAL
);

Event EV_Listener_WaitTillAnyTimeout
(
    "waittill_any_timeout",
    EV_DEFAULT,
    "fsS",
    "timeout_time name1 ...",
    "Wait until any event of type name with a timeout time",
    EV_NORMAL
);

CLASS_DECLARATION(Class, Listener, NULL) {
    {&EV_Listener_CommandDelay,            &Listener::CommandDelay           },
    {&EV_Remove,                           &Listener::Remove                 },
    {&EV_Delete,                           &Listener::ScriptRemove           },
    {&EV_ScriptRemove,                     &Listener::ScriptRemove           },
    {&EV_Listener_Classname,               &Listener::GetClassname           },
    {&EV_Listener_InheritsFrom,            &Listener::EventInheritsFrom      },
    {&EV_Listener_IsInheritedBy,           &Listener::EventIsInheritedBy     },

#ifdef WITH_SCRIPT_ENGINE
    {&EV_Listener_CancelFor,               &Listener::CancelFor              },
    {&EV_Listener_CreateReturnThread,      &Listener::CreateReturnThread     },
    {&EV_Listener_CreateThread,            &Listener::CreateThread           },
    {&EV_Listener_ExecuteReturnScript,     &Listener::ExecuteReturnScript    },
    {&EV_Listener_ExecuteScript,           &Listener::ExecuteScript          },
    {&EV_Listener_EndOn,                   &Listener::EventEndOn             },
    {&EV_Listener_GetOwner,                &Listener::EventGetOwner          },
    {&EV_Listener_Notify,                  &Listener::EventNotify            },
    {&EV_DelayThrow,                       &Listener::EventDelayThrow        },
    {&EV_Throw,                            &Listener::EventThrow             },
    {&EV_Listener_Unregister,              &Listener::EventUnregister        },
    {&EV_Listener_WaitCreateReturnThread,  &Listener::WaitCreateReturnThread },
    {&EV_Listener_WaitCreateThread,        &Listener::WaitCreateThread       },
    {&EV_Listener_WaitExecuteReturnScript, &Listener::WaitExecuteReturnScript},
    {&EV_Listener_WaitExecuteScript,       &Listener::WaitExecuteScript      },
    {&EV_Listener_WaitTill,                &Listener::WaitTill               },
    {&EV_Listener_WaitTillTimeout,         &Listener::WaitTillTimeout        },
    {&EV_Listener_WaitTillAny,             &Listener::WaitTillAny            },
    {&EV_Listener_WaitTillAnyTimeout,      &Listener::WaitTillAnyTimeout     },
#endif
    {NULL,                                 NULL                              }
};

cvar_t *g_showevents;
cvar_t *g_eventlimit;
cvar_t *g_timeevents;
cvar_t *g_watch;
cvar_t *g_eventstats;

template<>
int HashCode<Event *>(Event *const& key)
{
    // can't use key->eventnum because eventnum will be assigned from con_set
    return (int)(size_t)key;
}

template<>
int HashCode<command_t>(const command_t& key)
{
    const char* p;
    int         hash = 0;

    for (p = key.command; *p; p++) {
        hash = tolower(*p) + 31 * hash;
    }

    return hash;
}

#if defined(ARCHIVE_SUPPORTED)

void ArchiveListenerPtr(Archiver& arc, SafePtr<Listener> *obj)
{
    arc.ArchiveSafePointer(obj);
}

template<>
void ConList::Archive(Archiver& arc)
{
    value.Archive(arc, ArchiveListenerPtr);
}

template<>
void con_set<const_str, ConList>::Entry::Archive(Archiver& arc)
{
    Director.ArchiveString(arc, key);
    value.Archive(arc);
}

/*
=======================
Archive
=======================
*/
void Event::Archive(Archiver& arc)
{
    if (arc.Loading()) {
        fromScript = false;
    }

    Class::Archive(arc);

    arc.ArchiveUnsignedShort(&eventnum);
    arc.ArchiveUnsignedShort(&dataSize);

    if (arc.Loading()) {
        data = new ScriptVariable[dataSize + 1];
    }

    for (int i = dataSize; i > 0; i--) {
        data[i].ArchiveInternal(arc);
    }
}

void L_ArchiveEvents(Archiver& arc)
{
    EventQueueNode *event;
    int             num;

    num = 0;
    for (event = Event::EventQueue.next; event != &Event::EventQueue; event = event->next) {
        Listener *obj;

        assert(event);

        obj = event->GetSourceObject();

        assert(obj);

#    if defined(GAME_DLL)
        if (obj->isSubclassOf(Entity) && (((Entity *)obj)->flags & FL_DONTSAVE)) {
            continue;
        }
#    endif

        num++;
    }

    arc.ArchiveInteger(&num);
    for (event = Event::EventQueue.next; event != &Event::EventQueue; event = event->next) {
        Listener *obj;

        assert(event);

        obj = event->GetSourceObject();

        assert(obj);

#    if defined(GAME_DLL)
        if (obj->isSubclassOf(Entity) && (((Entity *)obj)->flags & FL_DONTSAVE)) {
            continue;
        }
#    endif

        event->event->Archive(arc);
        arc.ArchiveInteger(&event->inttime);
        arc.ArchiveInteger(&event->flags);
        arc.ArchiveSafePointer(&event->m_sourceobject);
    }
}

void L_UnarchiveEvents(Archiver& arc)
{
    EventQueueNode *node;
    int             i, numEvents;

    // the FreeEvents list would already be allocated at this point
    // clear out any events that may exist
    L_ClearEventList();

    arc.ArchiveInteger(&numEvents);
    for (i = 0; i < numEvents; i++) {
        node        = new EventQueueNode();
        node->event = new Event();
        node->event->Archive(arc);

        arc.ArchiveInteger(&node->inttime);
        arc.ArchiveInteger(&node->flags);
        arc.ArchiveSafePointer(&node->m_sourceobject);

        LL_Add(&Event::EventQueue, node, next, prev);
    }
}
#endif

void L_ClearEventList()
{
    EventQueueNode *node = Event::EventQueue.next, *tmp;

    while (node != &Event::EventQueue) {
        tmp = node->next;

        delete node->event;
        delete node;

        node = tmp;
    }

    LL_Reset(&Event::EventQueue, next, prev);

    Event_allocator.FreeAll();

#if defined(GAME_DLL)
    AnimationEvent_allocator.FreeAll();
    ConsoleEvent_allocator.FreeAll();
#endif
}

bool L_EventSystemStarted(void)
{
    return Listener::EventSystemStarted;
}

void L_InitEvents(void)
{
    g_showevents = LISTENER_Cvar_Get("g_showevents", "0", 0);
    g_eventlimit = LISTENER_Cvar_Get("g_eventlimit", "5000", 0);
    g_timeevents = LISTENER_Cvar_Get("g_timeevents", "0", 0);
    g_watch      = LISTENER_Cvar_Get("g_watch", "0", 0);
    g_eventstats = LISTENER_Cvar_Get("g_eventstats", "0", 0);

    Event::LoadEvents();
    ClassDef::BuildEventResponses();

    LL_Reset(&Event::EventQueue, next, prev);

    L_ClearEventList();
    Listener::EventSystemStarted = true;
}

void L_ProcessPendingEvents()
{
    EventQueueNode *node;

    int t = EVENT_msec;
    while (!LL_Empty(&Event::EventQueue, next, prev)) {
        Listener *obj;

        node = Event::EventQueue.next;

        assert(node);

        obj = node->GetSourceObject();

        assert(obj);

        if (node->inttime > t) {
            break;
        }

        // the event is removed from its list
        LL_Remove(node, next, prev);
        //gi.DPrintf2("Event: %s\n", node->event->getName().c_str());

        // ProcessEvent will dispose of this event when it is done
        obj->ProcessEvent(node->event);

        delete node;
    }
}

void L_ShutdownEvents(void)
{
    if (!Listener::EventSystemStarted) {
        return;
    }

    L_ClearEventList();

    Event::commandList.clear();
    Event::eventDefList.clear();

    Listener::EventSystemStarted = false;
}

//===========================================================================
// EventArgDef
//===========================================================================

void EventArgDef::Setup(const char *eventName, const char *argName, const char *argType, const char *argRange)
{
    char        scratch[256];
    const char *ptr;
    char       *tokptr;
    const char *endptr;
    int         index;

    // set name
    name = argName;

    // set optionality
    if (isupper(argType[0])) {
        optional = true;
    } else {
        optional = false;
    }

    // grab the ranges
    index = 0;
    memset(minRangeDefault, true, sizeof(minRangeDefault));
    memset(minRange, 0, sizeof(minRange));
    memset(maxRangeDefault, true, sizeof(maxRangeDefault));
    memset(maxRange, 0, sizeof(maxRange));

    if (argRange && argRange[0]) {
        ptr = argRange;
        while (1) {
            // find opening '['
            tokptr = (char *)strchr(ptr, '[');
            if (!tokptr) {
                break;
            }
            // find closing ']'
            endptr = strchr(tokptr, ']');
            if (!endptr) {
                assert(0);
                EVENT_Printf(
                    "Argument defintion %s, no matching ']' found for range spec in event %s.\n",
                    name.c_str(),
                    eventName
                );
                break;
            }
            // point to the next range
            ptr = endptr;
            // skip the '['
            tokptr++;
            // copy off the range spec
            // skip the ']'
            strncpy(scratch, tokptr, endptr - tokptr);
            // terminate the range
            scratch[endptr - tokptr] = 0;
            // see if there is one or two parameters here
            tokptr = strchr(scratch, ',');
            if (!tokptr) {
                // just one parameter
                minRange[index >> 1]        = (float)atof(scratch);
                minRangeDefault[index >> 1] = false;
                index++;
                // skip the second parameter
                index++;
            } else if (tokptr == scratch) {
                // just second parameter
                // skip the first paremeter
                index++;
                tokptr++;
                maxRange[index >> 1]        = (float)atof(scratch);
                maxRangeDefault[index >> 1] = false;
                index++;
            } else {
                qboolean second;
                // one or two parameters
                // see if there is anything behind the ','
                if (strlen(scratch) > (tokptr - scratch + 1)) {
                    second = true;
                } else {
                    second = false;
                }
                // zero out the ','
                *tokptr                     = 0;
                minRange[index >> 1]        = (float)atof(scratch);
                minRangeDefault[index >> 1] = false;
                index++;
                // skip over the nul character
                tokptr++;
                if (second) {
                    maxRange[index >> 1]        = (float)atof(tokptr);
                    maxRangeDefault[index >> 1] = false;
                }
                index++;
            }
        }
    }

    // figure out the type of variable it is
    switch (tolower(argType[0])) {
    case 'e':
        type = IS_ENTITY;
        break;
    case 'v':
        type = IS_VECTOR;
        break;
    case 'i':
        type = IS_INTEGER;
        break;
    case 'f':
        type = IS_FLOAT;
        break;
    case 's':
        type = IS_STRING;
        break;
    case 'b':
        type = IS_BOOLEAN;
        break;
    case 'l':
        type = IS_LISTENER;
        break;
    }
}

void EV_Print(FILE *stream, const char *format, ...)
{
    char    buffer[1000];
    va_list va;

    va_start(va, format);

    vsprintf(buffer, format, va);

    if (stream) {
        fprintf(stream, "%s", buffer);
    } else {
        EVENT_DPrintf("%s", buffer);
    }

    va_end(va);
}

void EventArgDef::PrintRange(FILE *event_file)
{
    qboolean integer;
    qboolean single;
    int      numRanges;
    int      i;

    single    = false;
    integer   = true;
    numRanges = 1;
    switch (type) {
    case IS_VECTOR:
        integer   = false;
        numRanges = 3;
        break;
    case IS_FLOAT:
        integer = false;
        break;
    case IS_STRING:
        single = true;
        break;
    }
    for (i = 0; i < numRanges; i++) {
        if (single) {
            if (!minRangeDefault[i]) {
                if (integer) {
                    EV_Print(event_file, "<%d>", (int)minRange[i]);
                } else {
                    EV_Print(event_file, "<%.2f>", minRange[i]);
                }
            }
        } else {
            // both non-default
            if (!minRangeDefault[i] && !maxRangeDefault[i]) {
                if (integer) {
                    EV_Print(event_file, "<%d...%d>", (int)minRange[i], (int)maxRange[i]);
                } else {
                    EV_Print(event_file, "<%.2f...%.2f>", minRange[i], maxRange[i]);
                }
            }
            // max default
            else if (!minRangeDefault[i] && maxRangeDefault[i]) {
                if (integer) {
                    EV_Print(event_file, "<%d...max_integer>", (int)minRange[i]);
                } else {
                    EV_Print(event_file, "<%.2f...max_float>", minRange[i]);
                }
            }
            // min default
            else if (minRangeDefault[i] && !maxRangeDefault[i]) {
                if (integer) {
                    EV_Print(event_file, "<min_integer...%d>", (int)maxRange[i]);
                } else {
                    EV_Print(event_file, "<min_float...%.2f>", maxRange[i]);
                }
            }
        }
    }
}

void EventArgDef::PrintArgument(FILE *event_file)
{
    if (optional) {
        EV_Print(event_file, "[ ");
    }

    switch (type) {
    case IS_ENTITY:
        EV_Print(event_file, "Entity ");
        break;
    case IS_VECTOR:
        EV_Print(event_file, "Vector ");
        break;
    case IS_INTEGER:
        EV_Print(event_file, "Integer ");
        break;
    case IS_FLOAT:
        EV_Print(event_file, "Float ");
        break;
    case IS_STRING:
        EV_Print(event_file, "String ");
        break;
    case IS_BOOLEAN:
        EV_Print(event_file, "Boolean ");
        break;
    case IS_LISTENER:
        EV_Print(event_file, "Listener ");
        break;
    }
    EV_Print(event_file, "%s", name.c_str());

    PrintRange(event_file);

    if (optional) {
        EV_Print(event_file, " ]");
    }
}

void EventDef::Error(const char *format, ...)
{
    char    buffer[1000];
    va_list va;

    va_start(va, format);
    vsprintf(buffer, format, va);
    va_end(va);

    EVENT_Printf("^~^~^ Game: '%s' : %s\n", command.c_str(), buffer);
}

void EventDef::PrintDocumentation(FILE *event_file, bool html)
{
    int         i;
    int         p;
    str         text;
    const char *name = command.c_str();

    if (!html) {
        text = "   ";
        p    = 0;

        if (flags & EV_CONSOLE) {
            text[p++] = '*';
        }
        if (flags & EV_CHEAT) {
            text[p++] = 'C';
        }
        if (flags & EV_CACHE) {
            text[p++] = '%';
        }
    }

    if (html) {
        EV_Print(event_file, "\n<P><tt><B>%s</B>", name);
    } else {
        if (text[0] != ' ') {
            EV_Print(event_file, "%s %s", text.c_str(), name);
        } else {
            EV_Print(event_file, "%s %s", text.c_str(), name);
        }
    }

    SetupDocumentation();

    if (definition) {
        if (html) {
            EV_Print(event_file, "( <i>");
        } else {
            EV_Print(event_file, "( ");
        }

        for (i = 1; i <= definition->NumObjects(); i++) {
            definition->ObjectAt(i).PrintArgument(event_file);

            if (i < definition->NumObjects()) {
                EV_Print(event_file, ", ");
            }
        }

        if (html) {
            EV_Print(event_file, " </i>)</tt><BR>\n");
        } else {
            EV_Print(event_file, " )\n");
        }

        DeleteDocumentation();
    } else {
        if (html) {
            EV_Print(event_file, "</tt><BR>\n");
        } else {
            EV_Print(event_file, "\n");
        }
    }

    if (documentation) {
        char new_doc[1024];
        int  old_index;
        int  new_index = 0;

        for (old_index = 0; old_index < strlen(documentation); old_index++) {
            if (documentation[old_index] == '\n') {
                if (html) {
                    new_doc[new_index]     = '<';
                    new_doc[new_index + 1] = 'B';
                    new_doc[new_index + 2] = 'R';
                    new_doc[new_index + 3] = '>';
                    new_doc[new_index + 4] = '\n';
                    new_index += 5;
                } else {
                    new_doc[new_index]     = '\n';
                    new_doc[new_index + 1] = '\t';
                    new_doc[new_index + 2] = '\t';
                    new_index += 3;
                }
            } else {
                new_doc[new_index] = documentation[old_index];
                new_index++;
            }
        }

        new_doc[new_index] = 0;

        if (html) {
            EV_Print(event_file, "<ul>%s</ul>\n", new_doc);
        } else {
            EV_Print(event_file, "\t\t- %s\n", new_doc);
        }
    }
}

void EventDef::PrintEventDocumentation(FILE *event_file, bool html)
{
    if (flags & EV_CODEONLY) {
        return;
    }

    // purposely suppressed
    if (command[0] == '_') {
        return;
    }

    PrintDocumentation(event_file, html);
}

void EventDef::DeleteDocumentation(void)
{
    if (formatspec) {
        if (argument_names) {
            definition->FreeObjectList();

            delete definition;
            definition = NULL;
        }
    }
}

void EventDef::SetupDocumentation(void)
{
    const char *name = command.c_str();

    // setup documentation
    if (formatspec) {
        if (argument_names) {
            char           argumentNames[256];
            str            argSpec;
            str            rangeSpec;
            str            argName;
            EventArgDef    argDef;
            const char    *namePtr;
            const char    *specPtr;
            size_t         specLength;
            int            index;
            Container<str> argNames;

            specLength = strlen(formatspec);
            specPtr    = formatspec;
            //
            // store off all the names
            //
            strcpy(argumentNames, argument_names);
            namePtr = strtok(argumentNames, " ");
            while (namePtr != NULL) {
                argNames.AddObject(str(namePtr));
                namePtr = strtok(NULL, " ");
            }

            index = 0;

            //
            // create the definition container
            //
            definition = new Container<EventArgDef>;
            definition->Resize(argNames.NumObjects());

            // go throught he formatspec
            while (specLength) {
                // clear the rangeSpec
                rangeSpec = "";
                // get the argSpec
                argSpec = "";
                argSpec += *specPtr;
                specPtr++;
                specLength--;
                // see if there is a range specified
                while (*specPtr == '[') {
                    // add in all the characters until NULL or ']'
                    while (specLength && (*specPtr != ']')) {
                        rangeSpec += *specPtr;
                        specPtr++;
                        specLength--;
                    }
                    if (specLength && (*specPtr == ']')) {
                        rangeSpec += *specPtr;
                        specPtr++;
                        specLength--;
                    }
                }
                if (index < argNames.NumObjects()) {
                    argName = argNames.ObjectAt(index + 1);
                    argDef.Setup(name, argName, argSpec, rangeSpec);
                    definition->AddObject(argDef);
                } else {
                    assert(0);
                    Error("More format specifiers than argument names for event %s\n", name);
                }
                index++;
            }
            if (index < argNames.NumObjects()) {
                assert(0);
                Error("More argument names than format specifiers for event %s\n", name);
            }
        }
    }
}

//====================================
// Event
//====================================

MEM_BlockAlloc<Event> Event_allocator;

CLASS_DECLARATION(Class, Event, NULL) {
    {NULL, NULL}
};

#ifndef _DEBUG_MEM

/*
=======================
new Event
=======================
*/
void *Event::operator new(size_t size)
{
    return Event_allocator.Alloc();
}

/*
=======================
delete ptr
=======================
*/
void Event::operator delete(void *ptr)
{
    Event_allocator.Free(ptr);
}

#endif

/*
=======================
FindEventNum
=======================
*/
unsigned int Event::FindEventNum(const char *s)
{
    command_t cmd(s, EV_NORMAL);
    return commandList.findKeyIndex(cmd);
}

/*
=======================
NumEventCommands

Number of total events
=======================
*/
int Event::NumEventCommands()
{
    return totalevents;
}

/*
=======================
ListCommands

List event commands
=======================
*/
void Event::ListCommands(const char *mask)
{
    command_t      *command;
    int             eventnum;
    int             num;
    int             i;
    int             n;
    size_t          l;
    int             p;
    int             hidden;
    str             text;
    Container<int> *sortedList;

    if (!commandList.size()) {
        EVENT_DPrintf("No events.\n");
        return;
    }

    sortedList = &ClassDef::sortedList;
    SortEventList(sortedList);

    l = 0;
    if (mask) {
        l = strlen(mask);
    }

    hidden = 0;
    num    = 0;
    n      = sortedList->NumObjects();
    for (i = 1; i <= n; i++) {
        eventnum = sortedList->ObjectAt(i);
        command  = &commandList[eventnum];

        if (command->flags & EV_CODEONLY) {
            hidden++;
            continue;
        }

        if (mask && Q_stricmpn(command->command, mask, l)) {
            continue;
        }

        num++;

        text = "   ";
        p    = 0;
        if (command->flags & EV_CONSOLE) {
            text[p++] = '*';
        }
        if (command->flags & EV_CHEAT) {
            text[p++] = 'C';
        }
        if (command->flags & EV_CACHE) {
            text[p++] = '%';
        }

        EVENT_Printf("%4d : %s%s\n", eventnum, text.c_str(), command->command);
    }

    EVENT_Printf(
        "\n* = console command.\nC = cheat command.\n%% = cache command.\n\n"
        "Printed %d of %d total commands.\n",
        num,
        n - hidden
    );

    if (developer->integer && hidden) {
        EVENT_Printf("Suppressed %d commands.\n", hidden);
    }
}

/*
=======================
ListDocumentation

List event documentation
=======================
*/
void Event::ListDocumentation(const char *mask, qboolean print_to_disk)
{
    int                             num;
    int                             n;
    size_t                          l;
    int                             flags;
    int                             hidden;
    str                             name;
    str                             text;
    FILE                           *event_file = NULL;
    str                             event_filename;
    con_map_enum<Event *, EventDef> en = eventDefList;
    EventDef                       *def;

    if (print_to_disk) {
        if (!mask || !mask[0]) {
            event_filename = EVENT_FILENAME;
        } else {
            event_filename = str(mask) + ".txt";
        }

        event_file = fopen(event_filename.c_str(), "w");

        if (event_file == NULL) {
            return;
        }
    }

    l = 0;
    if (mask) {
        l = strlen(mask);
    }

    EV_Print(event_file, "\nCommand Documentation\n");
    EV_Print(event_file, "=====================\n");

    hidden = 0;
    num    = 0;
    n      = 0;
    for (def = en.NextValue(); def != NULL; def = en.NextValue()) {
        flags = def->flags;
        name  = def->command;
        n++;

        if (flags & EV_CODEONLY) {
            hidden++;
            continue;
        }

        if (mask && Q_stricmpn(name, mask, l)) {
            continue;
        }

        num++;

        def->PrintDocumentation(event_file, qfalse);
    }

    EV_Print(
        event_file,
        "\n* = console command.\nC = cheat command.\n% = cache command.\n\n"
        "Printed %d of %d total commands.\n",
        num,
        n - hidden
    );

    if (developer->integer && hidden) {
        EV_Print(event_file, "Suppressed %d commands.\n", hidden);
    }

    if (event_file != NULL) {
        EVENT_Printf("Printed event info to file %s\n", event_filename.c_str());
        fclose(event_file);
    }
}

/*
=======================
PendingEvents

List pending events
=======================
*/
void Event::PendingEvents(const char *mask)
{
    EventQueueNode *event;
    size_t          l;
    int             num;

    l = 0;
    if (mask) {
        l = strlen(mask);
    }

    num   = 0;
    event = EventQueue.next;
    while (event != &EventQueue) {
        assert(event);
        assert(event->m_sourceobject);

        if (!mask || !Q_stricmpn(event->event->getName(), mask, l)) {
            num++;
            //Event::PrintEvent( event );
        }

        event = event->next;
    }
    EVENT_Printf("%d pending events as of %.2f\n", num, EVENT_time);
}

#ifdef WITH_SCRIPT_ENGINE

/*
=======================
FindNormalEventNum
=======================
*/
unsigned int Event::FindNormalEventNum(const_str s)
{
    unsigned int *eventnum = normalCommandList.find(s);
    if (eventnum) {
        return *eventnum;
    } else {
        return 0;
    }
}

/*
=======================
FindReturnEventNum

Finds an event that return a value
=======================
*/
unsigned int Event::FindReturnEventNum(const_str s)
{
    unsigned int *eventnum = returnCommandList.find(s);
    if (eventnum) {
        return *eventnum;
    } else {
        return 0;
    }
}

/*
=======================
FindSetterEventNum

Finds an event that act as a write-variable
=======================
*/
unsigned int Event::FindSetterEventNum(const_str s)
{
    unsigned int *eventnum = setterCommandList.find(s);
    if (eventnum) {
        return *eventnum;
    } else {
        return 0;
    }
}

/*
=======================
FindGetterEventNum

Finds an event that act as a read-variable
=======================
*/
unsigned int Event::FindGetterEventNum(const_str s)
{
    unsigned int *eventnum = getterCommandList.find(s);
    if (eventnum) {
        return *eventnum;
    } else {
        return 0;
    }
}

/*
=======================
FindNormalEventNum
=======================
*/
unsigned int Event::FindNormalEventNum(str s)
{
    s.tolower();
    return FindNormalEventNum(Director.AddString(s));
}

/*
=======================
FindReturnEventNum
=======================
*/
unsigned int Event::FindReturnEventNum(str s)
{
    s.tolower();
    return FindReturnEventNum(Director.AddString(s));
}

/*
=======================
FindSetterEventNum
=======================
*/
unsigned int Event::FindSetterEventNum(str s)
{
    s.tolower();
    return FindSetterEventNum(Director.AddString(s));
}

/*
=======================
FindGetterEventNum
=======================
*/
unsigned int Event::FindGetterEventNum(str s)
{
    s.tolower();
    return FindGetterEventNum(Director.AddString(s));
}

/*
=======================
GetEventWithFlags

Returns an event that match the specified flags and the specified type
=======================
*/
int Event::GetEventWithFlags(str name, int flags, uchar type)
{
    unsigned int                     *index;
    con_map<const_str, unsigned int> *cmdList;

    if (type == EV_NORMAL) {
        cmdList = &normalCommandList;
    } else if (type == EV_RETURN) {
        cmdList = &returnCommandList;
    } else if (type == EV_GETTER) {
        cmdList = &getterCommandList;
    } else if (type == EV_SETTER) {
        cmdList = &setterCommandList;
    } else {
        return 0;
    }

    name.tolower();

    index = cmdList->find(Director.GetString(name));

    if (!index || !(GetEventFlags(*index) & flags)) {
        return 0;
    } else {
        return *index;
    }
}

/*
=======================
GetEvent
=======================
*/
int Event::GetEvent(str name, uchar type)
{
    return GetEventWithFlags(name, EV_DEFAULT, type);
}

#else

int Event::GetEvent(str name, uchar type)
{
    return FindEventNum(name);
}

#endif

static str str_null;

/*
=======================
GetEventInfo
=======================
*/
command_t *Event::GetEventInfo(int eventnum)
{
    return &commandList[eventnum];
}

/*
=======================
GetEventFlags

Returns the specified event flags
=======================
*/
int Event::GetEventFlags(int eventnum)
{
    command_t *cmd = &commandList[eventnum];

    if (cmd) {
        return cmd->flags;
    } else {
        return 0;
    }

    return 0;
}

/*
=======================
GetEventName

Returns the specified event name
=======================
*/
const char *Event::GetEventName(int eventnum)
{
    command_t *cmd;

    if (eventnum <= 0) {
        return str_null;
    }

    cmd = &commandList[eventnum];

    if (cmd) {
        return cmd->command;
    } else {
        return str_null;
    }

    return str_null;
}

/*
=======================
compareEvents
=======================
*/
int Event::compareEvents(const void *arg1, const void *arg2)
{
    int        num1 = *(int *)arg1;
    int        num2 = *(int *)arg2;
    command_t *cmd1 = &commandList[num1];
    command_t *cmd2 = &commandList[num2];

    return Q_stricmp(cmd1->command, cmd2->command);
}

/*
=======================
SortEventList

Sort events in alphabetical order
=======================
*/
void Event::SortEventList(Container<int> *sortedList)
{
    unsigned int i;
    command_t   *cmd;

    sortedList->Resize(commandList.size());

    for (i = 1; i <= commandList.size(); i++) {
        cmd = &commandList[i];

        if (cmd != NULL) {
            sortedList->AddObject(i);
        }
    }

    qsort((void *)sortedList->AddressOfObjectAt(1), (size_t)sortedList->NumObjects(), sizeof(int), compareEvents);
}

/*
=======================
LoadEvents

Event loader routine
=======================
*/
void Event::LoadEvents()
{
    command_t c;
    DataNode *next;

    for (; DataNodeList; DataNodeList = next) {
        next = DataNodeList->next;

        EventDef *cmd = &eventDefList[DataNodeList->ev];

        cmd->command        = DataNodeList->command;
        cmd->flags          = ((DataNodeList->flags == EV_DEFAULT) - 1) & DataNodeList->flags;
        cmd->formatspec     = DataNodeList->formatspec;
        cmd->argument_names = DataNodeList->argument_names;
        cmd->documentation  = DataNodeList->documentation;
        cmd->type           = DataNodeList->type;

        c.command = DataNodeList->command;
        c.flags   = DataNodeList->flags;
        c.type    = cmd->type;

        DataNodeList->ev->eventnum = commandList.addKeyIndex(c);
#ifdef _DEBUG
        DataNodeList->ev->name = DataNodeList->command;
#endif

        delete DataNodeList;
        totalevents++;
    }
}

/*
=======================
Event
=======================
*/
Event::Event()
{
    fromScript  = false;
    eventnum    = 0;
    data        = NULL;
    dataSize    = 0;
    maxDataSize = 0;
}

/*
=======================
Event

Creates an event command
=======================
*/
Event::Event(
    const char *command,
    int         flags,
    const char *formatspec,
    const char *argument_names,
    const char *documentation,
    uchar       type
)
{
    DataNode *node = new DataNode();

    node->ev             = this;
    node->command        = command;
    node->flags          = flags;
    node->formatspec     = formatspec;
    node->argument_names = argument_names;
    node->documentation  = documentation;
    node->type           = type;
    node->next           = DataNodeList;
    DataNodeList         = node;

    fromScript  = false;
    dataSize    = 0;
    maxDataSize = 0;
    data        = NULL;
    eventnum    = 0;
}

/*
=======================
Event
=======================
*/
Event::Event(const Event& ev)
{
    fromScript  = ev.fromScript;
    eventnum    = ev.eventnum;
    dataSize    = ev.dataSize;
    maxDataSize = ev.maxDataSize;

    if (dataSize) {
        data = new ScriptVariable[dataSize];

        for (int i = 0; i < dataSize; i++) {
            data[i] = ev.data[i];
        }
    } else {
        data = NULL;
    }

#ifdef _DEBUG
    name = ev.name;
#endif
}

Event::Event(const Event& ev, int numArgs)
{
    fromScript  = ev.fromScript;
    eventnum    = ev.eventnum;
    dataSize    = ev.dataSize;
    maxDataSize = ev.maxDataSize;

    if (dataSize) {
        data = new ScriptVariable[dataSize];

        for (int i = 0; i < dataSize; i++) {
            data[i] = ev.data[i];
        }
    } else {
        data        = new ScriptVariable[numArgs];
        dataSize    = 0;
        maxDataSize = numArgs;
    }

#ifdef _DEBUG
    name = ev.name;
#endif
}

Event::Event(Event&& ev)
{
    fromScript  = ev.fromScript;
    eventnum    = ev.eventnum;
    dataSize    = ev.dataSize;
    maxDataSize = ev.maxDataSize;
    data        = ev.data;

    ev.data        = NULL;
    ev.dataSize    = 0;
    ev.maxDataSize = 0;
    ev.eventnum    = 0;
}

/*
=======================
Event

Initializes the event with the specified index
=======================
*/
Event::Event(int index)
{
    fromScript  = false;
    eventnum    = index;
    data        = NULL;
    dataSize    = 0;
    maxDataSize = 0;

#ifdef _DEBUG
    name = GetEventName(index);
#endif
}

/*
=======================
Event

Initializes the event with the specified index
=======================
*/
Event::Event(int index, int numArgs)
{
    fromScript  = false;
    eventnum    = index;
    data        = new ScriptVariable[numArgs];
    dataSize    = 0;
    maxDataSize = numArgs;

#ifdef _DEBUG
    name = GetEventName(index);
#endif
}

/*
=======================
Event

Initializes the event with the specified command
=======================
*/
Event::Event(const char *command)
{
    eventnum = FindEventNum(command);
    if (!eventnum) {
        EVENT_DPrintf("^~^~^ Event '%s' does not exist.\n", command);
    }

    fromScript  = qfalse;
    maxDataSize = 0;
    dataSize    = 0;
    data        = NULL;

#ifdef _DEBUG
    name = command;
#endif
}

/*
=======================
Event

Initializes the event with the specified command
=======================
*/
Event::Event(const char *command, int numArgs)
{
    eventnum = FindEventNum(command);
    if (!eventnum) {
        EVENT_DPrintf("^~^~^ Event '%s' does not exist.\n", command);
    }

    fromScript  = qfalse;
    maxDataSize = numArgs;

    if (numArgs) {
        data     = new ScriptVariable[numArgs];
        dataSize = 0;
    } else {
        dataSize = 0;
        data     = NULL;
    }

#ifdef _DEBUG
    name = command;
#endif
}

/*
=======================
~Event
=======================
*/
Event::~Event()
{
    Clear();
}

Event& Event::operator=(const Event& ev)
{
    Clear();
    fromScript  = ev.fromScript;
    eventnum    = ev.eventnum;
    dataSize    = ev.dataSize;
    maxDataSize = ev.maxDataSize;

    if (dataSize) {
        data = new ScriptVariable[dataSize];

        for (int i = 0; i < dataSize; i++) {
            data[i] = ev.data[i];
        }
    } else {
        data = NULL;
    }

#ifdef _DEBUG
    name = ev.name;
#endif

    return *this;
}

Event& Event::operator=(Event&& ev)
{
    Clear();
    fromScript  = ev.fromScript;
    eventnum    = ev.eventnum;
    dataSize    = ev.dataSize;
    maxDataSize = ev.maxDataSize;
    data        = ev.data;

    ev.data        = NULL;
    ev.dataSize    = 0;
    ev.maxDataSize = 0;
    ev.eventnum    = 0;

    return *this;
}

/*
=======================
ErrorInternal
=======================
*/
void Event::ErrorInternal(Listener *l, str text) const
{
    str classname;
    str eventname;

    EVENT_DPrintf("^~^~^ Game");

    classname = l->getClassname();
    eventname = getName();

    EVENT_DPrintf(" (Event: '%s', Object: '%s') : %s\n", eventname.c_str(), classname.c_str(), text.c_str());
}

/*
=======================
AddContainer
=======================
*/
void Event::AddContainer(Container<SafePtr<Listener>> *container)
{
    ScriptVariable& variable = GetValue();
    variable.setContainerValue(container);
}

/*
=======================
AddEntity
=======================
*/
void Event::AddEntity(Entity *ent)
{
    ScriptVariable& variable = GetValue();
    variable.setListenerValue((Listener *)ent);
}

/*
=======================
AddFloat
=======================
*/
void Event::AddFloat(float number)
{
    ScriptVariable& variable = GetValue();
    variable.setFloatValue(number);
}

/*
=======================
AddInteger
=======================
*/
void Event::AddInteger(int number)
{
    ScriptVariable& variable = GetValue();
    variable.setIntValue(number);
}

/*
=======================
AddListener
=======================
*/
void Event::AddListener(Listener *listener)
{
    ScriptVariable& variable = GetValue();
    variable.setListenerValue(listener);
}

/*
=======================
AddNil
=======================
*/
void Event::AddNil(void)
{
    ScriptVariable& variable = GetValue();
    variable.Clear();
}

#ifdef WITH_SCRIPT_ENGINE

/*
=======================
AddConstString
=======================
*/
void Event::AddConstString(const_str string)
{
    ScriptVariable& variable = GetValue();
    variable.setConstStringValue(string);
}

#endif

/*
=======================
AddString
=======================
*/
void Event::AddString(str string)
{
    ScriptVariable& variable = GetValue();
    variable.setStringValue(string);
}

/*
=======================
AddToken
=======================
*/
void Event::AddToken(str token)
{
    ScriptVariable& variable = GetValue();
    variable.setStringValue(token);
}

/*
=======================
AddTokens
=======================
*/
void Event::AddTokens(int argc, const char **argv)
{
    for (int i = 0; i < argc; i++) {
        AddToken(argv[i]);
    }
}

/*
=======================
AddValue
=======================
*/
void Event::AddValue(const ScriptVariable& value)
{
    ScriptVariable& variable = GetValue();
    variable                 = value;
}

/*
=======================
AddVector
=======================
*/
void Event::AddVector(const Vector& vector)
{
    ScriptVariable& variable = GetValue();
    variable.setVectorValue(vector);
}

/*
=======================
SetValue
=======================
*/
void Event::CopyValues(const ScriptVariable* values, size_t count)
{
    assert(count <= maxDataSize);
   
    for (size_t i = 0; i < count; i++) {
        data[i] = values[i];
    }

    dataSize = count;
}

/*
=======================
Clear
=======================
*/
void Event::Clear(void)
{
    if (data) {
        delete[] data;

        data        = NULL;
        dataSize    = 0;
        maxDataSize = 0;
    }
}

/*
=======================
CheckPos
=======================
*/
void Event::CheckPos(int pos)
{
    if (pos > NumArgs()) {
        ScriptError("Index %d out of range.", pos);
    }
}

/*
=======================
GetBoolean
=======================
*/
bool Event::GetBoolean(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.booleanNumericValue();
}

#ifdef WITH_SCRIPT_ENGINE

/*
=======================
GetConstString
=======================
*/
const_str Event::GetConstString(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.constStringValue();
}

#endif

/*
=======================
GetEntity
=======================
*/
Entity *Event::GetEntity(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.entityValue();
}

/*
=======================
GetFloat
=======================
*/
float Event::GetFloat(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.floatValue();
}

/*
=======================
GetInteger
=======================
*/
int Event::GetInteger(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.intValue();
}

/*
=======================
GetListener
=======================
*/
Listener *Event::GetListener(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.listenerValue();
}

#ifdef WITH_SCRIPT_ENGINE

/*
=======================
GetSimpleEntity
=======================
*/
SimpleEntity *Event::GetSimpleEntity(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.simpleEntityValue();
}

#endif

/*
=======================
GetString
=======================
*/
str Event::GetString(int pos)
{
    ScriptVariable& variable = GetValue(pos);
    return variable.stringValue();
}

/*
=======================
GetToken
=======================
*/
str Event::GetToken(int pos)
{
    ScriptVariable& variable = GetValue(pos);
    return variable.stringValue();
}

/*
=======================
GetValue
=======================
*/
ScriptVariable& Event::GetValue(int pos)
{
    if (pos < 0) {
        pos = NumArgs() + pos + 1;
    }

    CheckPos(pos);

    return data[pos - 1];
}

static ScriptVariable m_null;

/*
=======================
GetValue
=======================
*/
ScriptVariable& Event::GetValue(void)
{
    ScriptVariable* tmp;
    int i;

    if (fromScript) {
        // an event method will emit the return value
        // to the first index of the array
        // so there is no reallocation
        if (!data) {
            data = new ScriptVariable[1];
            dataSize = 1;
            maxDataSize = 1;
        }
        return data[0];
    }

    if (dataSize == maxDataSize) {
        tmp = data;

        maxDataSize += 3;
        data = new ScriptVariable[maxDataSize];

        if (tmp != NULL) {
            for (i = 0; i < dataSize; i++) {
                data[i] = std::move(tmp[i]);
            }

            delete[] tmp;
        }
    }

    dataSize++;

    return data[dataSize - 1];
}

/*
=======================
GetVector
=======================
*/
Vector Event::GetVector(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.vectorValue();
}

#if defined(GAME_DLL)

/*
=======================
GetPathNode
=======================
*/
PathNode *Event::GetPathNode(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.pathNodeValue();
}

/*
=======================
GetWaypoint
=======================
*/
Waypoint *Event::GetWaypoint(int pos)
{
    ScriptVariable& variable = GetValue(pos);

    return variable.waypointValue();
}

#endif

/*
=======================
IsEntityAt
=======================
*/
qboolean Event::IsEntityAt(int pos)
{
    CheckPos(pos);

    return data[pos - 1].IsEntity();
}

/*
=======================
IsListenerAt
=======================
*/
qboolean Event::IsListenerAt(int pos)
{
    CheckPos(pos);

    return data[pos - 1].IsListener();
}

/*
=======================
IsNilAt
=======================
*/
qboolean Event::IsNilAt(int pos)
{
    CheckPos(pos);

    return data[pos - 1].GetType() == VARIABLE_NONE;
}

/*
=======================
IsNumericAt
=======================
*/
qboolean Event::IsNumericAt(int pos)
{
    CheckPos(pos);

    return data[pos - 1].IsNumeric();
}

#ifdef WITH_SCRIPT_ENGINE

/*
=======================
IsSimpleEntityAt
=======================
*/
qboolean Event::IsSimpleEntityAt(int pos)
{
    CheckPos(pos);

    return data[pos - 1].IsSimpleEntity();
}

#endif

/*
=======================
IsStringAt
=======================
*/
qboolean Event::IsStringAt(int pos)
{
    CheckPos(pos);

    return data[pos - 1].IsString();
}

/*
=======================
IsVectorAt
=======================
*/
qboolean Event::IsVectorAt(int pos)
{
    CheckPos(pos);

    return data[pos - 1].IsVector();
}

/*
=======================
IsFromScript
=======================
*/
qboolean Event::IsFromScript()
{
    return fromScript;
}

/*
=======================
NumArgs
=======================
*/
int Event::NumArgs()
{
    return dataSize;
}

/*
=======================
getInfo
=======================
*/
EventDef *Event::getInfo()
{
    return &eventDefList[this];
}

/*
=======================
getName
=======================
*/
const char *Event::getName() const
{
    return GetEventName(eventnum);
}

//====================================
// Listener
//====================================

qboolean ListenerDelete = false;

/*
=======================
Listener
=======================
*/
Listener::Listener()
{
#ifdef WITH_SCRIPT_ENGINE

    m_EndList = NULL;

    m_NotifyList  = NULL;
    m_WaitForList = NULL;

    vars = NULL;

#endif
}

/*
=======================
~Listener
=======================
*/
Listener::~Listener()
{
    if (EventSystemStarted) {
        CancelPendingEvents();
    }

#ifdef WITH_SCRIPT_ENGINE

    UnregisterAll();
    CancelWaitingAll();

    if (vars) {
        delete vars;
    }

#endif
}

#define L_ARCHIVE_NOTIFYLIST  1
#define L_ARCHIVE_WAITFORLIST 2
#define L_ARCHIVE_VARLIST     4
#define L_ARCHIVE_ENDLIST     8

/*
=======================
Archive
=======================
*/
void Listener::Archive(Archiver& arc)
{
    Class::Archive(arc);

#ifdef WITH_SCRIPT_ENGINE

    byte flag = 0;

    if (!arc.Loading()) {
        if (m_NotifyList) {
            flag |= L_ARCHIVE_NOTIFYLIST;
        }
        if (m_WaitForList) {
            flag |= L_ARCHIVE_WAITFORLIST;
        }
        if (vars) {
            flag |= L_ARCHIVE_VARLIST;
        }
        if (m_EndList) {
            flag |= L_ARCHIVE_ENDLIST;
        }
    }

    arc.ArchiveByte(&flag);

    // archive the notify list
    if (flag & L_ARCHIVE_NOTIFYLIST) {
        if (arc.Loading()) {
            m_NotifyList = new con_set<const_str, ConList>;
        }

        m_NotifyList->Archive(arc);
    }

    // archive the waiting thread list
    if (flag & L_ARCHIVE_WAITFORLIST) {
        if (arc.Loading()) {
            m_WaitForList = new con_set<const_str, ConList>;
        }

        m_WaitForList->Archive(arc);
    }

    // archive the variable list
    if (flag & L_ARCHIVE_VARLIST) {
        if (arc.Loading()) {
            vars = new ScriptVariableList;
        }

        vars->Archive(arc);
    }

    // archive the end on event list
    if (flag & L_ARCHIVE_ENDLIST) {
        if (arc.Loading()) {
            m_EndList = new con_set<const_str, ConList>;
        }

        m_EndList->Archive(arc);
    }

#endif
}

/*
=======================
CancelEventsOfType
=======================
*/
void Listener::CancelEventsOfType(Event *ev)
{
    EventQueueNode *node;
    EventQueueNode *next;
    int             eventnum;

    node = Event::EventQueue.next;

    eventnum = ev->eventnum;
    while (node != &Event::EventQueue) {
        next = node->next;
        if ((node->GetSourceObject() == this) && (node->event->eventnum == eventnum)) {
            LL_Remove(node, next, prev);
            delete node;
        }
        node = next;
    }
}

/*
=======================
CancelEventsOfType
=======================
*/
void Listener::CancelEventsOfType(Event& ev)
{
    this->CancelEventsOfType(&ev);
}

/*
=======================
CancelFlaggedEvents
=======================
*/
void Listener::CancelFlaggedEvents(int flags)
{
    EventQueueNode *node;
    EventQueueNode *next;

    node = Event::EventQueue.next;

    while (node != &Event::EventQueue) {
        next = node->next;
        if ((node->GetSourceObject() == this) && (node->flags & flags)) {
            LL_Remove(node, next, prev);
            delete node;
        }
        node = next;
    }
}

/*
=======================
CancelPendingEvents
=======================
*/
void Listener::CancelPendingEvents(void)
{
    EventQueueNode *node;
    EventQueueNode *next;

    node = Event::EventQueue.next;

    while (node != &Event::EventQueue) {
        next = node->next;
        if (node->GetSourceObject() == this) {
            LL_Remove(node, next, prev);
            delete node;
        }
        node = next;
    }
}

/*
=======================
EventPending
=======================
*/
qboolean Listener::EventPending(Event& ev)
{
    EventQueueNode *event;
    int             eventnum;

    event = Event::EventQueue.next;

    eventnum = ev.eventnum;

    while (event != &Event::EventQueue) {
        if ((event->GetSourceObject() == this) && (event->event->eventnum == ev.eventnum)) {
            return true;
        }

        event = event->next;
    }

    return false;
}

/*
=======================
PostEventInternal
=======================
*/
EventQueueNode *Listener::PostEventInternal(Event *ev, float delay, int flags)
{
    EventQueueNode *node;
    EventQueueNode *i;
    int             inttime;

    if (!classinfo()->responseLookup[ev->eventnum]) {
        if (!ev->eventnum) {
#ifdef _DEBUG
            EVENT_DPrintf("^~^~^ Failed execution of event '%s' for class '%s'\n", ev->name, getClassname());
#else
            EVENT_DPrintf("^~^~^ Failed execution of event for class '%s'\n", getClassname());
#endif
        }

        delete ev;
        return NULL;
    }

    node = new EventQueueNode;

    i       = Event::EventQueue.next;
    inttime = EVENT_msec + (delay * 1000.0f + 0.5f);

    while (i != &Event::EventQueue && inttime > i->inttime) {
        i = i->next;
    }

    node->inttime = inttime;
    node->event   = ev;
    node->flags   = flags;
    node->SetSourceObject(this);

#ifdef _DEBUG
    node->name = ev->name;
#endif

    LL_Add(i, node, next, prev);

    return node;
}

/*
=======================
PostEvent
=======================
*/
void Listener::PostEvent(Event *ev, float delay, int flags)
{
    PostEventInternal(ev, delay, flags);
}

/*
=======================
PostEvent
=======================
*/
void Listener::PostEvent(const Event& ev, float delay, int flags)
{
    Event *e = new Event(ev);

    PostEventInternal(e, delay, flags);
}

/*
=======================
PostponeAllEvents
=======================
*/
qboolean Listener::PostponeAllEvents(float time)
{
    EventQueueNode *event;
    EventQueueNode *node;

    event = Event::EventQueue.next;
    while (event != &Event::EventQueue) {
        if (event->GetSourceObject() == this) {
            event->inttime += time * 1000.0f + 0.5f;

            node = event->next;
            while ((node != &Event::EventQueue) && (event->inttime >= node->inttime)) {
                node = node->next;
            }

            LL_Remove(event, next, prev);
            LL_Add(node, event, next, prev);

            return true;
        }
        event = event->next;
    }

    return false;
}

/*
=======================
PostponeEvent
=======================
*/
qboolean Listener::PostponeEvent(Event& ev, float time)
{
    EventQueueNode *event;
    EventQueueNode *node;
    int             eventnum;

    eventnum = ev.eventnum;

    event = Event::EventQueue.next;
    while (event != &Event::EventQueue) {
        if ((event->GetSourceObject() == this) && (event->event->eventnum == eventnum)) {
            event->inttime += time * 1000.0f + 0.5f;

            node = event->next;
            while ((node != &Event::EventQueue) && (event->inttime >= node->inttime)) {
                node = node->next;
            }

            LL_Remove(event, next, prev);
            LL_Add(node, event, next, prev);

            return true;
        }
        event = event->next;
    }

    return false;
}

/*
=======================
ProcessEvent
=======================
*/
bool Listener::ProcessEvent(Event *ev)
{
    try {
        return ProcessScriptEvent(ev);
    } catch (ScriptException& exc) {
        ev->ErrorInternal(this, exc.string);
        EVENT_DPrintf("%s\n", exc.string.c_str());
        // at this point the event didn't get deleted
        delete ev;
        return false;
    }
}

/*
=======================
ProcessEvent
=======================
*/
bool Listener::ProcessEvent(Event& ev)
{
    try {
        return ProcessScriptEvent(ev);
    } catch (ScriptException& exc) {
        ev.ErrorInternal(this, exc.string);
        EVENT_DPrintf("%s\n", exc.string.c_str());
        return false;
    }
}

/*
=======================
ProcessEvent
=======================
*/
bool Listener::ProcessEvent(const Event& ev)
{
    try {
        Event event(ev);
        return ProcessScriptEvent(event);
    } catch (ScriptException& exc) {
        ev.ErrorInternal(this, exc.string);
        EVENT_DPrintf("%s\n", exc.string.c_str());
        return false;
    }
}

/*
=======================
ProcessEventReturn
=======================
*/
ScriptVariable& Listener::ProcessEventReturn(Event *ev)
{
    ClassDef             *c         = classinfo();
    ResponseDef<Class>   *responses = NULL;
    Response              response  = NULL;
    static ScriptVariable m_Return;

    if (!ev->eventnum) {
#ifdef _DEBUG
        EVENT_Printf("^~^~^ Failed execution of event '%s' for class '%s'\n", ev->name, c->classname);
#else
        EVENT_Printf("^~^~^ Failed execution of event for class '%s'\n", c->classname);
#endif

        delete ev;
        return m_Return;
    }

    responses = c->responseLookup[ev->eventnum];

    if (responses == NULL) {
        EVENT_Printf(
            "^~^~^ Failed execution of command '%s' for class '%s'\n", Event::GetEventName(ev->eventnum), c->classname
        );
        delete ev;
        return m_Return;
    }

    response = responses->response;

    int previousArgs = ev->NumArgs();

    if (response) {
        (this->*response)(ev);
    }

    if (previousArgs != ev->NumArgs() && ev->NumArgs() != 0) {
        m_Return = ev->GetValue(ev->NumArgs());
    }

    delete ev;

    return m_Return;
}

/*
=======================
ProcessScriptEvent
=======================
*/
bool Listener::ProcessScriptEvent(Event *ev)
{
    bool result = ProcessScriptEvent(*ev);

    delete ev;
    return result;
}

/*
=======================
ProcessScriptEvent
=======================
*/
bool Listener::ProcessScriptEvent(Event& ev)
{
    ClassDef           *c         = classinfo();
    ResponseDef<Class> *responses = NULL;
    Response            response  = NULL;

    if (!ev.eventnum) {
#ifdef _DEBUG
        EVENT_Printf("^~^~^ Failed execution of event '%s' for class '%s'\n", ev.name, c->classname);
#else
        EVENT_Printf("^~^~^ Failed execution of event for class '%s'\n", c->classname);
#endif

        return false;
    }

    responses = c->responseLookup[ev.eventnum];

    if (responses == NULL) {
        return true;
    }

    response = responses->response;

    if (response) {
        (this->*response)(&ev);
    }

    return true;
}

void Listener::ProcessContainerEvent(const Container<Event *>& conev)
{
    int num = conev.NumObjects();

    for (int i = 1; i <= num; i++) {
        ProcessEvent(conev.ObjectAt(i));
    }
}

/*
=======================
ProcessPendingEvents
=======================
*/
qboolean Listener::ProcessPendingEvents(void)
{
    EventQueueNode *event;
    qboolean        processedEvents;
    float           t;

    processedEvents = false;

    t = EVENT_msec;

    event = Event::EventQueue.next;
    while (event != &Event::EventQueue) {
        Listener *obj;

        assert(event);

        obj = event->GetSourceObject();

        if (event->inttime > t) {
            break;
        }

        if (obj != this) {
            // traverse normally
            event = event->next;
        } else {
            // the event is removed from its list and temporarily added to the active list
            LL_Remove(event, next, prev);

            // ProcessEvent will dispose of this event when it is done
            obj->ProcessEvent(event->event);

            // free up the node
            delete event;

            // start over, since can't guarantee that we didn't process any previous or following events
            event = Event::EventQueue.next;

            processedEvents = true;
        }
    }

    return processedEvents;
}

/*
=======================
GetScriptOwner

listener.owner
=======================
*/
Listener *Listener::GetScriptOwner(void)
{
    return NULL;
}

#ifdef WITH_SCRIPT_ENGINE

/*
=======================
CreateVars
=======================
*/
void Listener::CreateVars(void)
{
    vars = new ScriptVariableList;
}

/*
=======================
ClearVars
=======================
*/
void Listener::ClearVars(void)
{
    if (vars) {
        delete vars;
        CreateVars();
    }
}

/*
=======================
Vars
=======================
*/
ScriptVariableList *Listener::Vars(void)
{
    if (!vars) {
        CreateVars();
    }

    return vars;
}

/*
=======================
BroadcastEvent
=======================
*/
bool Listener::BroadcastEvent(str name, Event& event)
{
    return BroadcastEvent(Director.AddString(name), event);
}

/*
=======================
BroadcastEvent
=======================
*/
bool Listener::BroadcastEvent(const_str name, Event& event)
{
    ConList* listeners;

    if (!m_NotifyList) {
        return false;
    }

    listeners = m_NotifyList->findKeyValue(name);

    if (!listeners) {
        return false;
    }

    return BroadcastEvent(event, listeners);
}

/*
=======================
BroadcastEvent

Broadcast an event to the notify list
=======================
*/
bool Listener::BroadcastEvent(Event& event, ConList *listeners)
{
    Listener* listener;
    int num = listeners->NumObjects();
    int i;
    bool found;

    if (!num) {
        return false;
    }

    if (num == 1) {
        Listener *listener = listeners->ObjectAt(1);

        if (listener) {
            listener->ProcessEvent(event);
            return true;
        }

        return false;
    }

    ConList listenersCopy;
    found = false;

    listenersCopy.Resize(num);

    for (i = num; i > 0; i--) {
        listener = listeners->ObjectAt(i);
        if (listener) {
            listenersCopy.AddObject(listener);
        }
    }

    for (i = listenersCopy.NumObjects(); i > 0; i--) {
        listener = listenersCopy.ObjectAt(i);

        if (listener) {
            listener->ProcessEvent(event);
            found = true;
        }
    }

    return found;
}

/*
=======================
CancelWaiting
=======================
*/
void Listener::CancelWaiting(str name)
{
    CancelWaiting(Director.AddString(name));
}

/*
=======================
CancelWaiting
=======================
*/
void Listener::CancelWaiting(const_str name)
{
    ConList* list;

    if (!m_WaitForList) {
        return;
    }

    list = m_WaitForList->findKeyValue(name);

    if (!list) {
        return;
    }

    ConList stoppedListeners;
    CancelWaitingSources(name, *list, stoppedListeners);

    m_WaitForList->remove(name);

    if (m_WaitForList->isEmpty()) {
        delete m_WaitForList;
        m_WaitForList = NULL;

        if (!DisableListenerNotify) {
            StoppedWaitFor(name, false);
        }
    }

    for (int i = stoppedListeners.NumObjects(); i > 0; i--) {
        Listener *listener = stoppedListeners.ObjectAt(i);

        if (listener && !DisableListenerNotify) {
            listener->StoppedNotify();
        }
    }
}

/*
=======================
CancelWaitingAll
=======================
*/
void Listener::CancelWaitingAll()
{
    CancelWaiting(0);

    if (!m_WaitForList) {
        return;
    }

    con_set_enum<const_str, ConList>    en = *m_WaitForList;
    con_set<const_str, ConList>::Entry *e;
    ConList                             stoppedListeners;

    for (e = en.NextElement(); e != NULL; e = en.NextElement()) {
        CancelWaitingSources(e->key, e->value, stoppedListeners);
    }

    delete m_WaitForList;
    m_WaitForList = NULL;

    if (!DisableListenerNotify) {
        StoppedWaitFor(STRING_NULL, false);
    }

    for (int i = stoppedListeners.NumObjects(); i > 0; i--) {
        Listener *listener = stoppedListeners.ObjectAt(i);

        if (listener && !DisableListenerNotify) {
            listener->StoppedNotify();
        }
    }
}

/*
=======================
CancelWaitingSources
=======================
*/
void Listener::CancelWaitingSources(const_str name, ConList& listeners, ConList& stoppedListeners)
{
    for (int i = listeners.NumObjects(); i > 0; i--) {
        Listener *listener = listeners.ObjectAt(i);

        if (listener && listener->UnregisterSource(name, this)) {
            stoppedListeners.AddObject(listener);
        }
    }
}

/*
=======================
Notify
=======================
*/
void Listener::Notify(const char *name)
{
    Unregister(name);
}

/*
=======================
StoppedNotify

Called when stopped notifying for a listener
=======================
*/
void Listener::StoppedNotify(void) {}

/*
=======================
StartedWaitFor

Called when started waiting for a listener
=======================
*/
void Listener::StartedWaitFor(void) {}

/*
=======================
StoppedWaitFor

Called when stopped wait for a listener
=======================
*/
void Listener::StoppedWaitFor(const_str name, bool bDeleting) {}

/*
=======================
EndOn
=======================
*/
void Listener::EndOn(str name, Listener *listener)
{
    EndOn(Director.AddString(name), listener);
}

/*
=======================
EndOn

Removes the specified listener when notifying
=======================
*/
void Listener::EndOn(const_str name, Listener *listener)
{
    if (!m_EndList) {
        m_EndList = new con_set<const_str, ConList>;
    }

    ConList& list = m_EndList->addKeyValue(name);

    list.AddUniqueObject(listener);
}

/*
=======================
Register
=======================
*/
void Listener::Register(str name, Listener *listener)
{
    Register(Director.AddString(name), listener);
}

/*
=======================
Register

Registers a listener, that will be notified with Unregister
Listener is usually a ScriptThread
=======================
*/
void Listener::Register(const_str name, Listener *listener)
{
    RegisterSource(name, listener);
    listener->RegisterTarget(name, this);
}

/*
=======================
RegisterSource
=======================
*/
void Listener::RegisterSource(const_str name, Listener *listener)
{
    if (!m_NotifyList) {
        m_NotifyList = new con_set<const_str, ConList>;
    }

    ConList& list = m_NotifyList->addKeyValue(name);

    list.AddObject(listener);
}

/*
=======================
RegisterTarget
=======================
*/
void Listener::RegisterTarget(const_str name, Listener *listener)
{
    if (!m_WaitForList) {
        StartedWaitFor();
        m_WaitForList = new con_set<const_str, ConList>;
    }

    ConList& list = m_WaitForList->addKeyValue(name);

    list.AddObject(listener);
}

/*
=======================
Unregister
=======================
*/
void Listener::Unregister(str name)
{
    Unregister(Director.AddString(name));
}

/*
=======================
Unregister

Unregister listeners from the specified event
=======================
*/
void Listener::Unregister(const_str name)
{
    if (m_EndList) {
        ConList *list        = m_EndList->findKeyValue(name);
        bool     bDeleteSelf = false;

        if (list) {
            ConList listeners = *list;

            m_EndList->remove(name);

            if (m_EndList->isEmpty()) {
                delete m_EndList;
                m_EndList = NULL;
            }

            for (int i = listeners.NumObjects(); i > 0; i--) {
                Listener *listener = listeners.ObjectAt(i);

                if (listener) {
                    if (listener == this && (bDeleteSelf)) {
                        continue;
                    }

                    if (listener == this) {
                        bDeleteSelf = true;
                    }

                    delete listener;
                }
            }
        }

        if (bDeleteSelf) {
            return;
        }
    }

    if (!m_NotifyList) {
        return;
    }

    ConList             *list = m_NotifyList->findKeyValue(name);
    ConList              stoppedListeners;
    Container<const_str> stoppedNames;

    if (!list) {
        return;
    }

    UnregisterTargets(name, *list, stoppedListeners, stoppedNames);

    m_NotifyList->remove(name);

    if (m_NotifyList->isEmpty()) {
        delete m_NotifyList;
        m_NotifyList = NULL;

        if (!DisableListenerNotify) {
            StoppedNotify();
        }
    }

    for (int i = stoppedListeners.NumObjects(); i > 0; i--) {
        Listener* listener = stoppedListeners.ObjectAt(i);

        if (listener && !DisableListenerNotify) {
            listener->StoppedWaitFor(name, false);
        }
    }
}

/*
=======================
Unregister
=======================
*/
void Listener::Unregister(str name, Listener *listener)
{
    Unregister(Director.AddString(name));
}

/*
=======================
Unregister

Unregister a specified listener with the specified label
=======================
*/
void Listener::Unregister(const_str name, Listener *listener)
{
    if (UnregisterSource(name, listener) && !DisableListenerNotify) {
        StoppedNotify();
    }

    if (listener->UnregisterTarget(name, this) && !DisableListenerNotify) {
        listener->StoppedWaitFor(name, false);
    }
}

/*
=======================
UnregisterAll
=======================
*/
void Listener::UnregisterAll(void)
{
    Unregister(0);

    if (m_EndList) {
        delete m_EndList;
        m_EndList = NULL;
    }

    if (!m_NotifyList) {
        return;
    }

    con_set_enum<const_str, ConList>    en = *m_NotifyList;
    con_set<const_str, ConList>::Entry *e;
    ConList                             stoppedListeners;
    Container<const_str>                stoppedNames;

    en = *m_NotifyList;

    for (e = en.NextElement(); e != NULL; e = en.NextElement()) {
        UnregisterTargets(e->key, e->value, stoppedListeners, stoppedNames);
    }

    delete m_NotifyList;
    m_NotifyList = NULL;

    if (!DisableListenerNotify) {
        StoppedNotify();
    }

    for (int i = stoppedListeners.NumObjects(); i > 0; i--) {
        Listener *listener = stoppedListeners.ObjectAt(i);

        if (listener && !DisableListenerNotify) {
            listener->StoppedWaitFor(stoppedNames.ObjectAt(i), true);
        }
    }
}

/*
=======================
UnregisterSource
=======================
*/
bool Listener::UnregisterSource(const_str name, Listener *listener)
{
    ConList* list;

    if (!m_NotifyList) {
        return false;
    }

    list = m_NotifyList->findKeyValue(name);

    if (!list) {
        return false;
    }

    list->RemoveObject(listener);

    if (list->NumObjects()) {
        return false;
    }

    m_NotifyList->remove(name);

    if (!m_NotifyList->isEmpty()) {
        // still has objects in it
        return false;
    }

    delete m_NotifyList;
    m_NotifyList = NULL;

    return true;
}

/*
=======================
UnregisterTarget
=======================
*/
bool Listener::UnregisterTarget(const_str name, Listener *listener)
{
    ConList* list;

    if (!m_WaitForList) {
        return false;
    }

    list = m_WaitForList->findKeyValue(name);

    if (!list) {
        return false;
    }

    list->RemoveObject(listener);

    if (list->NumObjects()) {
        return false;
    }

    m_WaitForList->remove(name);

    if (!m_WaitForList->isEmpty()) {
        // still has objects in it
        return false;
    }

    delete m_WaitForList;
    m_WaitForList = NULL;

    return true;
}

/*
=======================
UnregisterTargets
=======================
*/
void Listener::UnregisterTargets(
    const_str name, ConList& listeners, ConList& stoppedListeners, Container<const_str>& stoppedNames
)
{
    for (int i = listeners.NumObjects(); i > 0; i--) {
        Listener *listener = listeners.ObjectAt(i);

        if (listener && listener->UnregisterTarget(name, this)) {
            stoppedListeners.AddObject(listener);
            stoppedNames.AddObject(name);
        }
    }
}

/*
=======================
AbortRegistration

Abort the listener from registration of the specified label
Doesn't notify
=======================
*/
void Listener::AbortRegistration(const_str name, Listener *l)
{
    UnregisterSource(name, l);
    l->UnregisterTarget(name, this);
}

/*
=======================
RegisterSize
=======================
*/
int Listener::RegisterSize(str name) const
{
    return RegisterSize(Director.AddString(name));
}

/*
=======================
RegisterSize

Returns how many listeners in the notify list
=======================
*/
int Listener::RegisterSize(const_str name) const
{
    ConList *listeners;

    if (!m_NotifyList) {
        return 0;
    }

    listeners = m_NotifyList->findKeyValue(name);

    // return the number of listeners waiting for this listener
    if (listeners) {
        return listeners->NumObjects();
    } else {
        return 0;
    }
}

/*
=======================
WaitingSize
=======================
*/
int Listener::WaitingSize(str name) const
{
    return WaitingSize(Director.AddString(name));
}

/*
=======================
WaitingSize

Returns how many listeners in the wait list
=======================
*/
int Listener::WaitingSize(const_str name) const
{
    ConList *listeners;

    if (!m_WaitForList) {
        return 0;
    }

    listeners = m_WaitForList->findKeyValue(name);

    // return the number of listeners this listener is waiting for
    if (listeners) {
        return listeners->NumObjects();
    } else {
        return 0;
    }
}

/*
=======================
WaitTillDisabled
=======================
*/
bool Listener::WaitTillDisabled(str s)
{
    return WaitTillDisabled(Director.AddString(s));
}

/*
=======================
WaitTillDisabled

Returns true if the specified waittill is disabled
=======================
*/
bool Listener::WaitTillDisabled(const_str s)
{
    return !WaitTillAllowed(s);
}

#endif

/*
=======================
GetFlags
=======================
*/
int Listener::GetFlags(Event *event) const
{
    return classinfo()->GetFlags(event);
}

/*
=======================
ValidEvent
=======================
*/
qboolean Listener::ValidEvent(str name) const
{
    int       num;
    EventDef *def;

    num = Event::FindEventNum(name);
    if (!num) {
        return qfalse;
    }

    def = classinfo()->GetDef(num);
    if (!def) {
        return qfalse;
    }

    return qtrue;
}

//==========================
// Listener's events
//==========================

/*
=======================
Remove
=======================
*/
void Listener::Remove(Event *ev)
{
    if (ev->NumArgs()) {
        ScriptError("Arguments not allowed.");
    }

    delete this;
}

/*
=======================
ScriptRemove
=======================
*/
void Listener::ScriptRemove(Event *ev)
{
    PostEvent(EV_Remove, 0);
}

/*
=======================
EventInheritsFrom
=======================
*/
void Listener::EventInheritsFrom(Event *ev)
{
    ev->AddInteger(inheritsFrom(ev->GetString(1)));
}

/*
=======================
EventIsInheritedBy
=======================
*/
void Listener::EventIsInheritedBy(Event *ev)
{
    ev->AddInteger(isInheritedBy(ev->GetString(1)));
}

/*
=======================
GetClassname
=======================
*/
void Listener::GetClassname(Event *ev)
{
    ev->AddString(getClassname());
}

/*
=======================
CommandDelay
=======================
*/
void Listener::CommandDelay(Event *ev)
{
    if (ev->NumArgs() < 2) {
        ScriptError("Not enough arguments.");
    }

    Event *e = new Event(ev->GetString(2));

    for (int i = 3; i <= ev->NumArgs(); i++) {
        e->AddValue(ev->GetValue(i));
    }

    PostEvent(e, ev->GetFloat(1));
}

#ifdef WITH_SCRIPT_ENGINE

/*
=======================
CancelFor

Removes all listeners in the notify list
=======================
*/
void Listener::CancelFor(Event *ev)
{
    BroadcastEvent(ev->GetConstString(1), EV_Remove);
}

/*
=======================
EventDelayThrow

Same as EventThrow
=======================
*/
void Listener::EventDelayThrow(Event *ev)
{
    BroadcastEvent(0, *ev);
}

/*
=======================
EventEndOn
=======================
*/
void Listener::EventEndOn(Event *ev)
{
    const_str name = ev->GetConstString(1);

    if (Director.CurrentThread() == this) {
        ScriptError("cannot end for the current thread!");
    }

    EndOn(name, Director.CurrentThread());
}

/*
=======================
EventGetOwner
=======================
*/
void Listener::EventGetOwner(Event *ev)
{
    ev->AddListener(GetScriptOwner());
}

/*
=======================
EventNotify
=======================
*/
void Listener::EventNotify(Event *ev)
{
    str name = ev->GetString(1);

    Notify(name);
}

/*
=======================
EventThrow
=======================
*/
void Listener::EventThrow(Event *ev)
{
    BroadcastEvent(0, *ev);
}

/*
=======================
EventUnregister
=======================
*/
void Listener::EventUnregister(Event *ev)
{
    Unregister(ev->GetConstString(1));
}

/*
=======================
WaitTill

Wait until event of type name
=======================
*/
void Listener::WaitTill(Event *ev)
{
    const_str name;

    if (Director.CurrentThread() == this) {
        ScriptError("cannot waittill on the current thread!");
    }

    name = ev->GetConstString(1);

    if (!WaitTillAllowed(name)) {
        ScriptError("invalid waittill %s for '%s'", Director.GetString(name).c_str(), getClassname());
    }

    Register(name, Director.CurrentThread());
}

/*
=======================
WaitTillTimeout

Wait until event of type name with a timeout time
=======================
*/
void Listener::WaitTillTimeout(Event *ev)
{
    const_str name;
    float     timeout_time;

    if (Director.CurrentThread() == this) {
        ScriptError("cannot waittill on the current thread!");
    }

    timeout_time = ev->GetFloat(1);
    name         = ev->GetConstString(2);

    if (!WaitTillAllowed(name)) {
        ScriptError("invalid waittill %s for '%s'", Director.GetString(name).c_str(), getClassname());
    }

    Register(name, Director.CurrentThread());
    Director.CurrentThread()->PostEvent(EV_ScriptThread_CancelWaiting, timeout_time);
}

/*
=======================
WaitTillAny

Wait until any event of type name
=======================
*/
void Listener::WaitTillAny(Event *ev)
{
    const_str name;

    if (Director.CurrentThread() == this) {
        ScriptError("cannot waittill any on the current thread!");
    }

    for (int i = 1; i <= ev->NumArgs(); i++) {
        name = ev->GetConstString(i);

        if (!WaitTillAllowed(name)) {
            ScriptError("invalid waittill %s for '%s'", Director.GetString(name).c_str(), getClassname());
        }

        Register(name, Director.CurrentThread());
    }
}

/*
=======================
WaitTillAnyTimeout

Wait until any event of type name with a timeout time
=======================
*/
void Listener::WaitTillAnyTimeout(Event *ev)
{
    const_str name;
    float     timeout_time;

    if (Director.CurrentThread() == this) {
        ScriptError("cannot waittill any on the current thread!");
    }

    timeout_time = ev->GetFloat(1);

    for (int i = 1; i <= ev->NumArgs(); i++) {
        name = ev->GetConstString(i);

        if (!WaitTillAllowed(name)) {
            ScriptError("invalid waittill %s for '%s'", Director.GetString(name).c_str(), getClassname());
        }

        Register(name, Director.CurrentThread());
    }

    Director.CurrentThread()->PostEvent(EV_ScriptThread_CancelWaiting, timeout_time);
}

/*
=======================
ExecuteScriptInternal
=======================
*/
void Listener::ExecuteScriptInternal(Event *ev, ScriptVariable& returnValue)
{
    ScriptThread* thread = CreateScriptInternal(ev->GetValue(1));

    thread->ScriptExecute(&ev->data[1], ev->dataSize - 1, returnValue);
}

/*
=======================
ExecuteThreadInternal
=======================
*/
void Listener::ExecuteThreadInternal(Event *ev, ScriptVariable& returnValue)
{
    ScriptThread* thread = CreateThreadInternal(ev->GetValue(1));

    thread->ScriptExecute(&ev->data[1], ev->dataSize - 1, returnValue);
}

/*
=======================
WaitExecuteScriptInternal
=======================
*/
void Listener::WaitExecuteScriptInternal(Event *ev, ScriptVariable& returnValue)
{
    ScriptThread *currentThread = Director.CurrentScriptThread();
    ScriptThread *thread = CreateScriptInternal(ev->GetValue(1));

    thread->GetScriptClass()->Register(0, currentThread);

    thread->ScriptExecute(&ev->data[1], ev->dataSize - 1, returnValue);
}

/*
=======================
WaitExecuteThreadInternal
=======================
*/
void Listener::WaitExecuteThreadInternal(Event *ev, ScriptVariable& returnValue)
{
    ScriptThread *currentThread = Director.CurrentScriptThread();
    ScriptThread *thread = CreateThreadInternal(ev->GetValue(1));

    thread->Register(0, currentThread);

    thread->ScriptExecute(&ev->data[1], ev->dataSize - 1, returnValue);
}

/*
=======================
CreateScriptInternal
=======================
*/
ScriptThread *Listener::CreateScriptInternal(const ScriptVariable& label)
{
    GameScript   *scr;
    ScriptThread *thread = NULL;

    if (label.GetType() == VARIABLE_STRING || label.GetType() == VARIABLE_CONSTSTRING) {
        if (label.GetType() == VARIABLE_CONSTSTRING) {
            scr = Director.GetGameScript(label.constStringValue());
        } else {
            scr = Director.GetGameScript(label.stringValue());
        }
        thread = Director.CreateScriptThread(scr, this, "");
    } else if (label.GetType() == VARIABLE_CONSTARRAY && label.arraysize() > 1) {
        ScriptVariable *script    = label[1];
        ScriptVariable *labelname = label[2];

        if (script->GetType() == VARIABLE_CONSTSTRING) {
            scr = Director.GetGameScript(script->constStringValue());
        } else {
            scr = Director.GetGameScript(script->stringValue());
        }

        if (labelname->GetType() == VARIABLE_CONSTSTRING) {
            thread = Director.CreateScriptThread(scr, this, labelname->constStringValue());
        } else {
            thread = Director.CreateScriptThread(scr, this, labelname->stringValue());
        }
    } else {
        ScriptError("Listener::CreateScriptInternal: bad label type '%s'", label.GetTypeName());
    }

    return thread;
}

/*
=======================
CreateThreadInternal
=======================
*/
ScriptThread *Listener::CreateThreadInternal(const ScriptVariable& label)
{
    GameScript   *scr;
    ScriptThread *thread = NULL;
    ScriptClass* scriptClass;

    if (label.GetType() == VARIABLE_STRING || label.GetType() == VARIABLE_CONSTSTRING) {
        scriptClass = Director.CurrentScriptClass();
        scr = scriptClass->GetScript();

        if (label.GetType() == VARIABLE_CONSTSTRING) {
            thread = Director.CreateScriptThread(scr, this, label.constStringValue());
        } else {
            thread = Director.CreateScriptThread(scr, this, label.stringValue());
        }
    } else if (label.GetType() == VARIABLE_CONSTARRAY && label.arraysize() > 1) {
        ScriptVariable *script    = label[1];
        ScriptVariable *labelname = label[2];

        if (script->GetType() == VARIABLE_CONSTSTRING) {
            scr = Director.GetGameScript(script->constStringValue());
        } else {
            scr = Director.GetGameScript(script->stringValue());
        }

        if (labelname->GetType() == VARIABLE_CONSTSTRING) {
            thread = Director.CreateScriptThread(scr, this, labelname->constStringValue());
        } else {
            thread = Director.CreateScriptThread(scr, this, labelname->stringValue());
        }
    } else {
        ScriptError("Listener::CreateThreadInternal: bad argument format");
    }

    return thread;
}

/*
=======================
CreateReturnThread
=======================
*/
void Listener::CreateReturnThread(Event *ev)
{
    ScriptVariable returnValue;

    returnValue.newPointer();

    ExecuteThreadInternal(ev, returnValue);

    ev->AddValue(returnValue);
}

/*
=======================
CreateThread
=======================
*/
void Listener::CreateThread(Event *ev)
{
    ScriptVariable returnValue;

    ExecuteThreadInternal(ev, returnValue);
}

/*
=======================
ExecuteReturnScript
=======================
*/
void Listener::ExecuteReturnScript(Event *ev)
{
    ScriptVariable returnValue;

    returnValue.newPointer();

    ExecuteScriptInternal(ev, returnValue);

    ev->AddValue(returnValue);
}

/*
=======================
ExecuteScript
=======================
*/
void Listener::ExecuteScript(Event *ev)
{
    ScriptVariable returnValue;

    ExecuteScriptInternal(ev, returnValue);
}

/*
=======================
WaitCreateReturnThread
=======================
*/
void Listener::WaitCreateReturnThread(Event *ev)
{
    ScriptVariable returnValue;

    returnValue.newPointer();

    WaitExecuteThreadInternal(ev, returnValue);

    ev->AddValue(returnValue);
}

/*
=======================
WaitCreateThread
=======================
*/
void Listener::WaitCreateThread(Event *ev)
{
    ScriptVariable returnValue;

    WaitExecuteThreadInternal(ev, returnValue);
}

/*
=======================
WaitExecuteReturnScript
=======================
*/
void Listener::WaitExecuteReturnScript(Event *ev)
{
    ScriptVariable returnValue;

    returnValue.newPointer();

    WaitExecuteScriptInternal(ev, returnValue);

    ev->AddValue(returnValue);
}

/*
=======================
WaitExecuteScript
=======================
*/
void Listener::WaitExecuteScript(Event *ev)
{
    ScriptVariable returnValue;

    WaitExecuteScriptInternal(ev, returnValue);
}

/*
=======================
ExecuteThread

Execute a thread with optionally parameters
=======================
*/
void Listener::ExecuteThread(str scriptName, str labelName, Event *params)
{
    ScriptThread *thread = Director.CreateThread(scriptName, labelName, this);

    try {
        if (!thread) {
            return;
        }

        thread->Execute(params);
    } catch (ScriptException& exc) {
        EVENT_DPrintf("Listener::ExecuteThread: %s\n", exc.string.c_str());
    }
}

/*
=======================
ExecuteThread

Execute a thread with optionally parameters
=======================
*/
void Listener::ExecuteThread(str scriptName, str labelName, Event& params)
{
    ScriptThread *thread = Director.CreateThread(scriptName, labelName, this);

    try {
        if (!thread) {
            return;
        }

        thread->Execute(params);
    } catch (ScriptException& exc) {
        EVENT_DPrintf("Listener::ExecuteThread: %s\n", exc.string.c_str());
    }
}

#endif

command_t::command_t() {}

command_t::command_t(const char *name, byte t)
    : command(name)
    , type(t)
{}