sv_sandbox.qc

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#include "sv_sandbox.qh"

#include <server/intermission.qh>

string autocvar_g_sandbox;
int autocvar_g_sandbox_info;
bool autocvar_g_sandbox_readonly;
string autocvar_g_sandbox_storage_name;
float autocvar_g_sandbox_storage_autosave;
bool autocvar_g_sandbox_storage_autoload;
float autocvar_g_sandbox_editor_flood;
int autocvar_g_sandbox_editor_maxobjects;
int autocvar_g_sandbox_editor_free;
float autocvar_g_sandbox_editor_distance_spawn;
float autocvar_g_sandbox_editor_distance_edit;
float autocvar_g_sandbox_object_scale_min;
float autocvar_g_sandbox_object_scale_max;
float autocvar_g_sandbox_object_material_velocity_min;
float autocvar_g_sandbox_object_material_velocity_factor;

IntrusiveList g_sandbox_objects;
float autosave_time;
void sandbox_Database_Load();

REGISTER_MUTATOR(sandbox, expr_evaluate(autocvar_g_sandbox))
{
    MUTATOR_ONADD
    {
        g_sandbox_objects = IL_NEW();
        autosave_time = time + autocvar_g_sandbox_storage_autosave; // don't save the first server frame
        if(autocvar_g_sandbox_storage_autoload)
            sandbox_Database_Load();
    }
}

const float MAX_STORAGE_ATTACHMENTS = 16;
float object_count;
.float object_flood;
.entity object_attach;
.string material;

.float touch_timer;
void sandbox_ObjectFunction_Touch(entity this, entity toucher)
{
    // apply material impact effects

    if(!this.material)
        return;
    if(this.touch_timer > time)
        return; // don't execute each frame
    this.touch_timer = time + 0.1;

    // make particle count and sound volume depend on impact speed
    float intensity;
    intensity = vlen(this.velocity) + vlen(toucher.velocity);
    if(intensity) // avoid divisions by 0
        intensity /= 2; // average the two velocities
    if (!(intensity >= autocvar_g_sandbox_object_material_velocity_min))
        return; // impact not strong enough to do anything
    // now offset intensity and apply it to the effects
    intensity -= autocvar_g_sandbox_object_material_velocity_min; // start from minimum velocity, not actual velocity
    intensity = bound(0, intensity * autocvar_g_sandbox_object_material_velocity_factor, 1);

    _sound(this, CH_TRIGGER, strcat("object/impact_", this.material, "_", ftos(ceil(random() * 5)) , ".wav"), VOL_BASE * intensity, ATTEN_NORM);
    Send_Effect_(strcat("impact_", this.material), this.origin, '0 0 0', ceil(intensity * 10)); // allow a count from 1 to 10
}

void sandbox_ObjectFunction_Think(entity this)
{
    // decide if and how this object can be grabbed
    if(autocvar_g_sandbox_readonly)
        this.grab = 0; // no grabbing
    else if(autocvar_g_sandbox_editor_free < 2 && this.crypto_idfp)
        this.grab = 1; // owner only
    else
        this.grab = 3; // anyone

    // Object owner is stored via player UID, but we also need the owner as an entity (if the player is available on the server).
    // Therefore, scan for all players, and update the owner as long as the player is present. We must always do this,
    // since if the owning player disconnects, the object's owner should also be reset.

    // bots can't have objects
    FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it), {
        if(this.crypto_idfp == it.crypto_idfp)
        {
            this.realowner = it;
            break;
        }
        this.realowner = NULL;
    });

    this.nextthink = time;

    CSQCMODEL_AUTOUPDATE(this);
}

.float old_solid, old_movetype;
entity sandbox_ObjectEdit_Get(entity this, float permissions)
{
    // Returns the traced entity if the player can edit it, and NULL if not.
    // If permissions if false, the object is returned regardless of editing rights.
    // Attached objects are SOLID_NOT and do not get traced.

    crosshair_trace_plusvisibletriggers(this);
    if(vdist(this.origin - trace_ent.origin, >, autocvar_g_sandbox_editor_distance_edit))
        return NULL; // out of trace range
    if(trace_ent.classname != "object")
        return NULL; // entity is not an object
    if(!permissions)
        return trace_ent; // don't check permissions, anyone can edit this object
    if(trace_ent.crypto_idfp == "")
        return trace_ent; // the player who spawned this object did not have an UID, so anyone can edit it
    if (!(trace_ent.realowner != this && autocvar_g_sandbox_editor_free < 2))
        return trace_ent; // object does not belong to the player, and players can only edit their own objects on this server
    return NULL;
}

void sandbox_ObjectEdit_Scale(entity e, float f)
{
    e.scale = f;
    if(e.scale)
    {
        e.scale = bound(autocvar_g_sandbox_object_scale_min, e.scale, autocvar_g_sandbox_object_scale_max);
        _setmodel(e, e.model); // reset mins and maxs based on mesh
        setsize(e, e.mins * e.scale, e.maxs * e.scale); // adapt bounding box size to model size
    }
}

void sandbox_ObjectAttach_Remove(entity e);
void sandbox_ObjectAttach_Set(entity e, entity parent, string s)
{
    // attaches e to parent on string s

    // we can't attach to an attachment, for obvious reasons
    sandbox_ObjectAttach_Remove(e);

    e.old_solid = e.solid; // persist solidity
    e.old_movetype = e.move_movetype; // persist physics
    set_movetype(e, MOVETYPE_FOLLOW);
    e.solid = SOLID_NOT;
    e.takedamage = DAMAGE_NO;

    setattachment(e, parent, s);
    e.owner = parent;
}

void sandbox_ObjectAttach_Remove(entity e)
{
    // detaches any object attached to e

    IL_EACH(g_sandbox_objects, it.owner == e,
    {
        vector org = gettaginfo(it, 0);
        setattachment(it, NULL, "");
        it.owner = NULL;

        // objects change origin and angles when detached, so apply previous position
        setorigin(it, org);
        it.angles = e.angles; // don't allow detached objects to spin or roll

        it.solid = it.old_solid; // restore persisted solidity
        set_movetype(it, it.old_movetype); // restore persisted physics
        it.takedamage = DAMAGE_AIM;
    });
}

entity sandbox_ObjectSpawn(entity this, float database)
{
    // spawn a new object with default properties

    entity e = new(object);
    IL_PUSH(g_sandbox_objects, e);
    e.takedamage = DAMAGE_AIM;
    e.damageforcescale = 1;
    e.solid = SOLID_BBOX; // SOLID_BSP would be best, but can lag the server badly
    set_movetype(e, MOVETYPE_TOSS);
    e.frame = 0;
    e.skin = 0;
    e.material = string_null;
    settouch(e, sandbox_ObjectFunction_Touch);
    setthink(e, sandbox_ObjectFunction_Think);
    e.nextthink = time;
    //e.effects |= EF_SELECTABLE; // don't do this all the time, maybe just when editing objects?

    if(!database)
    {
        // set the object's owner via player UID
        // if the player does not have an UID, the owner cannot be stored and his objects may be edited by anyone
        if(this.crypto_idfp != "")
            e.crypto_idfp = strzone(this.crypto_idfp);
        else
            print_to(this, "^1SANDBOX - WARNING: ^7You spawned an object, but lack a player UID. ^1Your objects are not secured and can be edited by any player!");

        // set public object information
        e.netname = strzone(this.netname); // name of the owner
        e.message = strzone(strftime(true, "%d-%m-%Y %H:%M:%S")); // creation time
        e.message2 = strzone(strftime(true, "%d-%m-%Y %H:%M:%S")); // last editing time

        // set origin and direction based on player position and view angle
        makevectors(this.v_angle);
        WarpZone_TraceLine(this.origin + this.view_ofs, this.origin + this.view_ofs + v_forward * autocvar_g_sandbox_editor_distance_spawn, MOVE_NORMAL, this);
        setorigin(e, trace_endpos);
        e.angles_y = this.v_angle.y;
    }

    CSQCMODEL_AUTOINIT(e);

    object_count += 1;
    return e;
}

void sandbox_ObjectRemove(entity e)
{
    sandbox_ObjectAttach_Remove(e); // detach child objects

    // if the object being removed has been selected for attachment by a player, unset it
    FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && it.object_attach == e, { it.object_attach = NULL; });

    strfree(e.material);
    strfree(e.crypto_idfp);
    strfree(e.netname);
    strfree(e.message);
    strfree(e.message2);
    delete(e);
    e = NULL;

    object_count -= 1;
}

string port_string[MAX_STORAGE_ATTACHMENTS]; // fteqcc crashes if this isn't defined as a global

string sandbox_ObjectPort_Save(entity e, bool database)
{
    // save object properties, and return them as a string
    int o = 0;

    // order doesn't really matter, as we're writing the file fresh
    IL_EACH(g_sandbox_objects, it == e || it.owner == e, LAMBDA(
        // the main object needs to be first in the array [0] with attached objects following
        int slot, physics, solidity;
        if(it == e) // this is the main object, place it first
        {
            slot = 0;
            solidity = it.solid; // applied solidity is normal solidity for children
            physics = it.move_movetype; // applied physics are normal physics for parents
        }
        else if(it.owner == e) // child object, list them in order
        {
            o += 1; // children start from 1
            slot = o;
            solidity = it.old_solid; // persisted solidity is normal solidity for children
            physics = it.old_movetype; // persisted physics are normal physics for children
            gettaginfo(it.owner, it.tag_index); // get the name of the tag our object is attached to, used further below
        }
        else
            continue;

        // ---------------- OBJECT PROPERTY STORAGE: SAVE ----------------
        if(slot)
        {
            // properties stored only for child objects
            if(gettaginfo_name)
                port_string[slot] = strcat(port_string[slot], "\"", gettaginfo_name, "\" ");
            else
                port_string[slot] = strcat(port_string[slot], "\"\" "); // none
        }
        else
        {
            // properties stored only for parent objects
            if(database)
            {
                port_string[slot] = strcat(port_string[slot], sprintf("\"%.9v\"", it.origin), " ");
                port_string[slot] = strcat(port_string[slot], sprintf("\"%.9v\"", it.angles), " ");
            }
        }
        // properties stored for all objects
        port_string[slot] = strcat(port_string[slot], "\"", it.model, "\" ");
        port_string[slot] = strcat(port_string[slot], ftos(it.skin), " ");
        port_string[slot] = strcat(port_string[slot], ftos(it.alpha), " ");
        port_string[slot] = strcat(port_string[slot], sprintf("\"%.9v\"", it.colormod), " ");
        port_string[slot] = strcat(port_string[slot], sprintf("\"%.9v\"", it.glowmod), " ");
        port_string[slot] = strcat(port_string[slot], ftos(it.frame), " ");
        port_string[slot] = strcat(port_string[slot], ftos(it.scale), " ");
        port_string[slot] = strcat(port_string[slot], ftos(solidity), " ");
        port_string[slot] = strcat(port_string[slot], ftos(physics), " ");
        port_string[slot] = strcat(port_string[slot], ftos(it.damageforcescale), " ");
        if(it.material)
            port_string[slot] = strcat(port_string[slot], "\"", it.material, "\" ");
        else
            port_string[slot] = strcat(port_string[slot], "\"\" "); // none
        if(database)
        {
            // properties stored only for the database
            if(it.crypto_idfp)
                port_string[slot] = strcat(port_string[slot], "\"", it.crypto_idfp, "\" ");
            else
                port_string[slot] = strcat(port_string[slot], "\"\" "); // none
            port_string[slot] = strcat(port_string[slot], "\"", e.netname, "\" ");
            port_string[slot] = strcat(port_string[slot], "\"", e.message, "\" ");
            port_string[slot] = strcat(port_string[slot], "\"", e.message2, "\" ");
        }
    ));

    // now apply the array to a simple string, with the ; symbol separating objects
    string s = "";
    for(int j = 0; j <= MAX_STORAGE_ATTACHMENTS; ++j)
    {
        if(port_string[j])
            s = strcat(s, port_string[j], "; ");
        port_string[j] = string_null; // fully clear the string
    }

    return s;
}

entity sandbox_ObjectPort_Load(entity this, string s, float database)
{
    // load object properties, and spawn a new object with them
    int n, i;
    entity e = NULL, parent = NULL;
    string arg = string_null;

    // separate objects between the ; symbols
    n = tokenizebyseparator(s, "; ");
    for(i = 0; i < n; ++i)
        port_string[i] = argv(i);

    // now separate and apply the properties of each object
    for(i = 0; i < n; ++i)
    {
        #define SANDBOX_GETARG arg = argv(++argv_num);
        int argv_num = -1; // starts at -1 so I don't need postincrement

        string tagname = string_null;
        tokenize_console(port_string[i]);
        e = sandbox_ObjectSpawn(this, database);

        // ---------------- OBJECT PROPERTY STORAGE: LOAD ----------------
        if(i)
        {
            // properties stored only for child objects
            SANDBOX_GETARG; tagname = (arg != "") ? arg : string_null;
        }
        else
        {
            // properties stored only for parent objects
            if(database)
            {
                SANDBOX_GETARG; setorigin(e, stov(arg));
                SANDBOX_GETARG; e.angles = stov(arg);
            }
            parent = e; // mark parent objects as such
        }
        // properties stored for all objects
        SANDBOX_GETARG; _setmodel(e, arg);
        SANDBOX_GETARG; e.skin = stof(arg);
        SANDBOX_GETARG; e.alpha = stof(arg);
        SANDBOX_GETARG; e.colormod = stov(arg);
        SANDBOX_GETARG; e.glowmod = stov(arg);
        SANDBOX_GETARG; e.frame = stof(arg);
        SANDBOX_GETARG; sandbox_ObjectEdit_Scale(e, stof(arg));
        SANDBOX_GETARG; e.solid = e.old_solid = stof(arg);
        SANDBOX_GETARG; e.old_movetype = stof(arg);
        set_movetype(e, e.old_movetype);
        SANDBOX_GETARG; e.damageforcescale = stof(arg);
        strfree(e.material);
        SANDBOX_GETARG; e.material = (arg != "") ? strzone(arg) : string_null;
        if(database)
        {
            // properties stored only for the database
            strfree(e.crypto_idfp);
            SANDBOX_GETARG; e.crypto_idfp = (arg != "") ? strzone(arg) : string_null;
            SANDBOX_GETARG; strcpy(e.netname, arg);
            SANDBOX_GETARG; strcpy(e.message, arg);
            SANDBOX_GETARG; strcpy(e.message2, arg);
        }

        // attach last
        if(i)
            sandbox_ObjectAttach_Set(e, parent, tagname);
    }

    for(i = 0; i <= MAX_STORAGE_ATTACHMENTS; ++i)
        port_string[i] = string_null; // fully clear the string

    return e;
}

void sandbox_Database_Save()
{
    // saves all objects to the database file
    string file_name;
    float file_get;

    file_name = strcat("sandbox/storage_", autocvar_g_sandbox_storage_name, "_", GetMapname(), ".txt");
    file_get = fopen(file_name, FILE_WRITE);
    fputs(file_get, strcat("// sandbox storage \"", autocvar_g_sandbox_storage_name, "\" for map \"", GetMapname(), "\" last updated ", strftime(true, "%d-%m-%Y %H:%M:%S")));
    fputs(file_get, strcat(" containing ", ftos(object_count), " objects\n"));

    IL_EACH(g_sandbox_objects, !it.owner, // attached objects are persisted separately, ignore them here
    {
        // use a line of text for each object, listing all properties
        fputs(file_get, strcat(sandbox_ObjectPort_Save(it, true), "\n"));
    });
    fclose(file_get);
}

void sandbox_Database_Load()
{
    // loads all objects from the database file
    string file_read, file_name;
    float file_get, i;

    file_name = strcat("sandbox/storage_", autocvar_g_sandbox_storage_name, "_", GetMapname(), ".txt");
    file_get = fopen(file_name, FILE_READ);
    if(file_get < 0)
    {
        if(autocvar_g_sandbox_info > 0)
            LOG_INFO("^3SANDBOX - SERVER: ^7could not find storage file ^3", file_name, "^7, no objects were loaded");
    }
    else
    {
        for (;;)
        {
            file_read = fgets(file_get);
            if(file_read == "")
                break;
            if(substring(file_read, 0, 2) == "//")
                continue;
            if(substring(file_read, 0, 1) == "#")
                continue;

            entity e;
            e = sandbox_ObjectPort_Load(NULL, file_read, true);

            if(e.material)
            {
                // since objects are being loaded for the first time, precache material sounds for each
                for (i = 1; i <= 5; i++) // 5 sounds in total
                    precache_sound(strcat("object/impact_", e.material, "_", ftos(i), ".wav"));
            }
        }
        if(autocvar_g_sandbox_info > 0)
            LOG_INFO("^3SANDBOX - SERVER: ^7successfully loaded storage file ^3", file_name);
    }
    fclose(file_get);
}

MUTATOR_HOOKFUNCTION(sandbox, SV_ParseClientCommand)
{
    if(MUTATOR_RETURNVALUE) // command was already handled?
        return;

    entity player = M_ARGV(0, entity);
    string cmd_name = M_ARGV(1, string);
    int cmd_argc = M_ARGV(2, int);

    if(cmd_name == "g_sandbox")
    {
        if(autocvar_g_sandbox_readonly)
        {
            print_to(player, "^2SANDBOX - INFO: ^7Sandbox mode is active, but in read-only mode. Sandbox commands cannot be used");
            return true;
        }
        if(cmd_argc < 2)
        {
            print_to(player, "^2SANDBOX - INFO: ^7Sandbox mode is active. For usage information, type 'sandbox help'");
            return true;
        }

        switch(argv(1))
        {
            entity e;
            int j;
            string s;

            // ---------------- COMMAND: HELP ----------------
            case "help":
                print_to(player, "You can use the following sandbox commands:");
                print_to(player, "^7\"^2object_spawn ^3models/foo/bar.md3^7\" spawns a new object in front of the player, and gives it the specified model");
                print_to(player, "^7\"^2object_remove^7\" removes the object the player is looking at. Players can only remove their own objects");
                print_to(player, "^7\"^2object_duplicate ^3value^7\" duplicates the object, if the player has copying rights over the original");
                print_to(player, "^3copy value ^7- copies the properties of the object to the specified client cvar");
                print_to(player, "^3paste value ^7- spawns an object with the given properties. Properties or cvars must be specified as follows; eg1: \"0 1 2 ...\", eg2: \"$cl_cvar\"");
                print_to(player, "^7\"^2object_attach ^3property value^7\" attaches one object to another. Players can only attach their own objects");
                print_to(player, "^3get ^7- selects the object you are facing as the object to be attached");
                print_to(player, "^3set value ^7- attaches the previously selected object to the object you are facing, on the specified bone");
                print_to(player, "^3remove ^7- detaches all objects from the object you are facing");
                print_to(player, "^7\"^2object_edit ^3property value^7\" edits the given property of the object. Players can only edit their own objects");
                print_to(player, "^3skin value ^7- changes the skin of the object");
                print_to(player, "^3alpha value ^7- sets object transparency");
                print_to(player, "^3colormod \"value_x value_y value_z\" ^7- main object color");
                print_to(player, "^3glowmod \"value_x value_y value_z\" ^7- glow object color");
                print_to(player, "^3frame value ^7- object animation frame, for self-animated models");
                print_to(player, "^3scale value ^7- changes object scale. 0.5 is half size and 2 is double size");
                print_to(player, "^3solidity value ^7- object collisions, 0 = non-solid, 1 = solid");
                print_to(player, "^3physics value ^7- object physics, 0 = static, 1 = movable, 2 = physical");
                print_to(player, "^3force value ^7- amount of force applied to objects that are shot");
                print_to(player, "^3material value ^7- sets the material of the object. Default materials are: metal, stone, wood, flesh");
                print_to(player, "^7\"^2object_claim^7\" sets the player as the owner of the object, if he has the right to edit it");
                print_to(player, "^7\"^2object_info ^3value^7\" shows public information about the object");
                print_to(player, "^3object ^7- prints general information about the object, such as owner and creation / editing date");
                print_to(player, "^3mesh ^7- prints information about the object's mesh, including skeletal bones");
                print_to(player, "^3attachments ^7- prints information about the object's attachments");
                print_to(player, "^7The ^1drag object ^7key can be used to grab and carry objects. Players can only grab their own objects");
                return true;

            // ---------------- COMMAND: OBJECT, SPAWN ----------------
            case "object_spawn":
                if(time < player.object_flood)
                {
                    print_to(player, strcat("^1SANDBOX - WARNING: ^7Flood protection active. Please wait ^3", ftos(player.object_flood - time), " ^7seconds beofore spawning another object"));
                    return true;
                }
                player.object_flood = time + autocvar_g_sandbox_editor_flood;
                if(object_count >= autocvar_g_sandbox_editor_maxobjects)
                {
                    print_to(player, strcat("^1SANDBOX - WARNING: ^7Cannot spawn any more objects. Up to ^3", ftos(autocvar_g_sandbox_editor_maxobjects), " ^7objects may exist at a time"));
                    return true;
                }
                if(cmd_argc < 3)
                {
                    print_to(player, "^1SANDBOX - WARNING: ^7Attempted to spawn an object without specifying a model. Please specify the path to your model file after the 'object_spawn' command");
                    return true;
                }
                if (!(fexists(argv(2))))
                {
                    print_to(player, "^1SANDBOX - WARNING: ^7Attempted to spawn an object with a non-existent model. Make sure the path to your model file is correct");
                    return true;
                }

                e = sandbox_ObjectSpawn(player, false);
                _setmodel(e, argv(2));

                if(autocvar_g_sandbox_info > 0)
                    LOG_INFO("^3SANDBOX - SERVER: ^7", player.netname, " spawned an object at origin ^3", vtos(e.origin));
                return true;

            // ---------------- COMMAND: OBJECT, REMOVE ----------------
            case "object_remove":
                e = sandbox_ObjectEdit_Get(player, true);
                if(e != NULL)
                {
                    if(autocvar_g_sandbox_info > 0)
                        LOG_INFO("^3SANDBOX - SERVER: ^7", player.netname, " removed an object at origin ^3", vtos(e.origin));
                    sandbox_ObjectRemove(e);
                    return true;
                }

                print_to(player, "^1SANDBOX - WARNING: ^7Object could not be removed. Make sure you are facing an object that you have edit rights over");
                return true;

            // ---------------- COMMAND: OBJECT, DUPLICATE ----------------
            case "object_duplicate":
                switch(argv(2))
                {
                    case "copy":
                        // copies customizable properties of the selected object to the clipboard cvar
                        e = sandbox_ObjectEdit_Get(player, autocvar_g_sandbox_editor_free); // can we copy objects we can't edit?
                        if(e != NULL)
                        {
                            s = sandbox_ObjectPort_Save(e, false);
                            s = strreplace("\"", "\\\"", s);
                            stuffcmd(player, strcat("set ", argv(3), " \"", s, "\""));

                            print_to(player, "^2SANDBOX - INFO: ^7Object copied to clipboard");
                            return true;
                        }
                        print_to(player, "^1SANDBOX - WARNING: ^7Object could not be copied. Make sure you are facing an object that you have copy rights over");
                        return true;

                    case "paste":
                        // spawns a new object using the properties in the player's clipboard cvar
                        if(time < player.object_flood)
                        {
                            print_to(player, strcat("^1SANDBOX - WARNING: ^7Flood protection active. Please wait ^3", ftos(player.object_flood - time), " ^7seconds beofore spawning another object"));
                            return true;
                        }
                        player.object_flood = time + autocvar_g_sandbox_editor_flood;
                        if(argv(3) == "") // no object in clipboard
                        {
                            print_to(player, "^1SANDBOX - WARNING: ^7No object in clipboard. You must copy an object before you can paste it");
                            return true;
                        }
                        if(object_count >= autocvar_g_sandbox_editor_maxobjects)
                        {
                            print_to(player, strcat("^1SANDBOX - WARNING: ^7Cannot spawn any more objects. Up to ^3", ftos(autocvar_g_sandbox_editor_maxobjects), " ^7objects may exist at a time"));
                            return true;
                        }
                        e = sandbox_ObjectPort_Load(player, argv(3), false);

                        print_to(player, "^2SANDBOX - INFO: ^7Object pasted successfully");
                        if(autocvar_g_sandbox_info > 0)
                            LOG_INFO("^3SANDBOX - SERVER: ^7", player.netname, " pasted an object at origin ^3", vtos(e.origin));
                        return true;
                }
                return true;

            // ---------------- COMMAND: OBJECT, ATTACH ----------------
            case "object_attach":
                switch(argv(2))
                {
                    case "get":
                        // select e as the object as meant to be attached
                        e = sandbox_ObjectEdit_Get(player, true);
                        if(e != NULL)
                        {
                            player.object_attach = e;
                            print_to(player, "^2SANDBOX - INFO: ^7Object selected for attachment");
                            return true;
                        }
                        print_to(player, "^1SANDBOX - WARNING: ^7Object could not be selected for attachment. Make sure you are facing an object that you have edit rights over");
                        return true;
                    case "set":
                        if(player.object_attach == NULL)
                        {
                            print_to(player, "^1SANDBOX - WARNING: ^7No object selected for attachment. Please select an object to be attached first.");
                            return true;
                        }

                        // attaches the previously selected object to e
                        e = sandbox_ObjectEdit_Get(player, true);
                        if(e != NULL)
                        {
                            sandbox_ObjectAttach_Set(player.object_attach, e, argv(3));
                            player.object_attach = NULL; // object was attached, no longer keep it scheduled for attachment
                            print_to(player, "^2SANDBOX - INFO: ^7Object attached successfully");
                            if(autocvar_g_sandbox_info > 1)
                                LOG_INFO("^3SANDBOX - SERVER: ^7", player.netname, " attached objects at origin ^3", vtos(e.origin));
                            return true;
                        }
                        print_to(player, "^1SANDBOX - WARNING: ^7Object could not be attached to the parent. Make sure you are facing an object that you have edit rights over");
                        return true;
                    case "remove":
                        // removes e if it was attached
                        e = sandbox_ObjectEdit_Get(player, true);
                        if(e != NULL)
                        {
                            sandbox_ObjectAttach_Remove(e);
                            print_to(player, "^2SANDBOX - INFO: ^7Child objects detached successfully");
                            if(autocvar_g_sandbox_info > 1)
                                LOG_INFO("^3SANDBOX - SERVER: ^7", player.netname, " detached objects at origin ^3", vtos(e.origin));
                            return true;
                        }
                        print_to(player, "^1SANDBOX - WARNING: ^7Child objects could not be detached. Make sure you are facing an object that you have edit rights over");
                        return true;
                }
                return true;

            // ---------------- COMMAND: OBJECT, EDIT ----------------
            case "object_edit":
                if(argv(2) == "")
                {
                    print_to(player, "^1SANDBOX - WARNING: ^7Too few parameters. You must specify a property to edit");
                    return true;
                }

                e = sandbox_ObjectEdit_Get(player, true);
                if(e != NULL)
                {
                    switch(argv(2))
                    {
                        case "skin":
                            e.skin = stof(argv(3));
                            break;
                        case "alpha":
                            e.alpha = stof(argv(3));
                            break;
                        case "color_main":
                            e.colormod = stov(argv(3));
                            break;
                        case "color_glow":
                            e.glowmod = stov(argv(3));
                            break;
                        case "frame":
                            e.frame = stof(argv(3));
                            break;
                        case "scale":
                            sandbox_ObjectEdit_Scale(e, stof(argv(3)));
                            break;
                        case "solidity":
                            switch(argv(3))
                            {
                                case "0": // non-solid
                                    e.solid = SOLID_TRIGGER;
                                    break;
                                case "1": // solid
                                    e.solid = SOLID_BBOX;
                                    break;
                                default:
                                    break;
                            }
                        case "physics":
                            switch(argv(3))
                            {
                                case "0": // static
                                    set_movetype(e, MOVETYPE_NONE);
                                    break;
                                case "1": // movable
                                    set_movetype(e, MOVETYPE_TOSS);
                                    break;
                                case "2": // physical
                                    set_movetype(e, MOVETYPE_PHYSICS);
                                    break;
                                default:
                                    break;
                            }
                            break;
                        case "force":
                            e.damageforcescale = stof(argv(3));
                            break;
                        case "material":
                            strfree(e.material);
                            if(argv(3))
                            {
                                for (j = 1; j <= 5; j++) // precache material sounds, 5 in total
                                    precache_sound(strcat("object/impact_", argv(3), "_", ftos(j), ".wav"));
                                e.material = strzone(argv(3));
                            }
                            else
                                e.material = string_null; // no material
                            break;
                        default:
                            print_to(player, "^1SANDBOX - WARNING: ^7Invalid object property. For usage information, type 'sandbox help'");
                            return true;
                    }

                    // update last editing time
                    strcpy(e.message2, strftime(true, "%d-%m-%Y %H:%M:%S"));

                    if(autocvar_g_sandbox_info > 1)
                        LOG_INFO("^3SANDBOX - SERVER: ^7", player.netname, " edited property ^3", argv(2), " ^7of an object at origin ^3", vtos(e.origin));
                    return true;
                }

                print_to(player, "^1SANDBOX - WARNING: ^7Object could not be edited. Make sure you are facing an object that you have edit rights over");
                return true;

            // ---------------- COMMAND: OBJECT, CLAIM ----------------
            case "object_claim":
                // if the player can edit an object but is not its owner, this can be used to claim that object
                if(player.crypto_idfp == "")
                {
                    print_to(player, "^1SANDBOX - WARNING: ^7You do not have a player UID, and cannot claim objects");
                    return true;
                }
                e = sandbox_ObjectEdit_Get(player, true);
                if(e != NULL)
                {
                    // update the owner's name
                    // Do this before checking if you're already the owner and skipping if such, so we
                    // also update the player's nickname if he changed it (but has the same player UID)
                    if(e.netname != player.netname)
                    {
                        strcpy(e.netname, player.netname);
                        print_to(player, "^2SANDBOX - INFO: ^7Object owner name updated");
                    }

                    if(e.crypto_idfp == player.crypto_idfp)
                    {
                        print_to(player, "^2SANDBOX - INFO: ^7Object is already yours, nothing to claim");
                        return true;
                    }

                    strcpy(e.crypto_idfp, player.crypto_idfp);

                    print_to(player, "^2SANDBOX - INFO: ^7Object claimed successfully");
                }
                print_to(player, "^1SANDBOX - WARNING: ^7Object could not be claimed. Make sure you are facing an object that you have edit rights over");
                return true;

            // ---------------- COMMAND: OBJECT, INFO ----------------
            case "object_info":
                // prints public information about the object to the player
                e = sandbox_ObjectEdit_Get(player, false);
                if(e != NULL)
                {
                    switch(argv(2))
                    {
                        case "object":
                            print_to(player, strcat("^2SANDBOX - INFO: ^7Object is owned by \"^7", e.netname, "^7\", created \"^3", e.message, "^7\", last edited \"^3", e.message2, "^7\""));
                            return true;
                        case "mesh":
                            s = "";
                            FOR_EACH_TAG(e)
                                s = strcat(s, "^7\"^5", gettaginfo_name, "^7\", ");
                            print_to(player, strcat("^2SANDBOX - INFO: ^7Object mesh is \"^3", e.model, "^7\" at animation frame ^3", ftos(e.frame), " ^7containing the following tags: ", s));
                            return true;
                        case "attachments":
                            // this should show the same info as 'mesh' but for attachments
                            s = "";
                            j = 0;
                            IL_EACH(g_sandbox_objects, it.owner == e,
                            {
                                ++j; // start from 1
                                gettaginfo(e, it.tag_index);
                                s = strcat(s, "^1attachment ", ftos(j), "^7 has mesh \"^3", it.model, "^7\" at animation frame ^3", ftos(it.frame));
                                s = strcat(s, "^7 and is attached to bone \"^5", gettaginfo_name, "^7\", ");
                            });
                            if(j) // object contains attachments
                                print_to(player, strcat("^2SANDBOX - INFO: ^7Object contains the following ^1", ftos(j), "^7 attachment(s): ", s));
                            else
                                print_to(player, "^2SANDBOX - INFO: ^7Object contains no attachments");
                            return true;
                    }
                }
                print_to(player, "^1SANDBOX - WARNING: ^7No information could be found. Make sure you are facing an object");
                return true;

            // ---------------- COMMAND: DEFAULT ----------------
            default:
                print_to(player, "Invalid command. For usage information, type 'sandbox help'");
                return true;
        }
    }
}

MUTATOR_HOOKFUNCTION(sandbox, SV_StartFrame)
{
    if(!autocvar_g_sandbox_storage_autosave)
        return;
    if(time < autosave_time)
        return;
    autosave_time = time + autocvar_g_sandbox_storage_autosave;

    sandbox_Database_Save();

    return true;
}