L4D1 sound restore

/* Includes */
#include <sourcemod>
#include <sdktools>

/* Plugin Information */
public Plugin:myinfo =  {
    name = "[L4D2] L4D1 sounds restore",
    author = "DeathChaos25",
    description = "Restores L4D1 sounds when playing a L4D1 campaign on L4D2 survivor set",
    version = "1.0",
    url = "1337H4X"
}

/* Globals */
#define DEBUG 1
#define DEBUG_TAG "L4D1 Sound Restore"
#define DEBUG_PRINT_FORMAT "[%s] %s"

new Handle:g_SoundsTrie

/* Plugin Functions */
public OnPluginStart()
{
    g_SoundsTrie = CreateTrie()
    SetupSoundReplacements()
    AddNormalSoundHook(L4D1Sounds_SoundHook);
}

// public OnMapStart()
// Map check coming soon tm
SetupSoundReplacements()
{
    /* music sounds */
    SetTrieString(g_SoundsTrie, "music/undeath/death", "music/undeath/death_l4d1")
    SetTrieString(g_SoundsTrie, "music/undeath/leftfordeath", "music/undeath/leftfordeath_l4d1")
    SetTrieString(g_SoundsTrie, "music/terror/iamsocold", "music/terror/iamsocold_l4d1")
    SetTrieString(g_SoundsTrie, "music/terror/puddleofyou", "music/terror/puddleofyou_l4d1")
    SetTrieString(g_SoundsTrie, "music/terror/theend", "music/terror/theend_l4d1")
    SetTrieString(g_SoundsTrie, "music/safe/themonsterwithout", "music/safe/themonsterwithout_l4d1")
    SetTrieString(g_SoundsTrie, "music/safe/themonsterwithout_s", "music/safe/themonsterwithout_l4d1")
    SetTrieString(g_SoundsTrie, "music/tags/iamsocoldhit", "music/tags/iamsocoldhit_l4d1")
    SetTrieString(g_SoundsTrie, "music/tags/leftfordeathhit", "music/tags/leftfordeathhit_l4d1")
    SetTrieString(g_SoundsTrie, "music/tags/puddleofyouhit", "music/tags/puddleofyouhit_l4d1")

    SetTrieString(g_SoundsTrie, "music/the_end/skinonourteeth", "music/the_end/skinonourteeth_l4d1")
    SetTrieString(g_SoundsTrie, "music/the_end/snowballinhell", "music/the_end/snowballinhell_l4d1")
    SetTrieString(g_SoundsTrie, "music/unalive/themonsterwithin", "music/unalive/themonsterwithin_l4d1")
    SetTrieString(g_SoundsTrie, "music/zombat/slayer/lectric/slayer_01a", "music/zombat/slayer/hordeslayer_01")
    SetTrieString(g_SoundsTrie, "music/terror/theend", "music/terror/theend_l4d1")
    SetTrieString(g_SoundsTrie, "music/glimpse/aglimpsofdeath_01", "music/glimpse/aglimpsofhell_01")
    SetTrieString(g_SoundsTrie, "music/glimpse/aglimpsofdeath_02", "music/glimpse/aglimpsofhell_02")
    SetTrieString(g_SoundsTrie, "music/glimpse/aglimpsofdeath_03", "music/glimpse/aglimpsofhell_03")
}

public Action:L4D1Sounds_SoundHook(clients[64], &numClients, String:sample[PLATFORM_MAX_PATH], &entity, &channel, &Float:volume, &level, &pitch, &flags)
{
    if (StrContains(sample, "music", false) != -1)
    {
        decl String:newSample[PLATFORM_MAX_PATH];

        if (!GetTrieString(g_SoundsTrie, sample, newSample, sizeof(newSample)))
        {
            #if DEBUG
            Debug_PrintText("Not replacing sound (\"%s\") as no replacement sound can be found in trie.", sample, newSample)
            #endif
            return Plugin_Continue
        }
        new Handle:pack = CreateDataPack();
        WritePackCell(pack, entity);
        WritePackCell(pack, level);
        WritePackCell(pack, channel);
        WritePackCell(pack, flags);
        WritePackCell(pack, pitch);
        WritePackFloat(pack, volume);
        WritePackString(pack, fileSample);
        CreateTimer(0.0, SoundReplace_Timer, pack, TIMER_FLAG_NO_MAPCHANGE | TIMER_DATA_HNDL_CLOSE);

        volume = 0.0;
        return Plugin_Changed;
    }
    return Plugin_Continue;
}

public Action:SoundReplace_Timer(Handle:timer, Handle:pack)
{
    ResetPack(pack);
    new entity = ReadPackCell(pack);
    new level = ReadPackCell(pack);
    new channel = ReadPackCell(pack);
    new flags = ReadPackCell(pack);
    new pitch = ReadPackCell(pack);
    new Float:volume = ReadPackFloat(pack);
    decl String:sample[PLATFORM_MAX_PATH];
    ReadPackString(pack, sample, PLATFORM_MAX_PATH);

    if (!IsSoundPrecached(sample))
    {
        PrecacheSound(sample, true);
    }

    EmitSoundToAll(sample, entity, channel, level, flags, volume, pitch);
    return Plugin_Stop;
}

#if DEBUG
stock Debug_PrintText(const String:format[], any:...)
{
    decl String:buffer[256]
    VFormat(buffer, sizeof(buffer), format, 2)

    LogMessage(buffer)

    new AdminId:adminId
    for (new client = 1; client <= MaxClients; client++) {
        if (!IsClientInGame(client) || IsFakeClient(client)) {
            continue
        }

        adminId = GetUserAdmin(client)
        if (adminId == INVALID_ADMIN_ID || !GetAdminFlag(adminId, Admin_Root)) {
            continue
        }

        PrintToChat(client, DEBUG_PRINT_FORMAT, DEBUG_TAG, buffer)
    }
}
#endif