/*
 * CSB Warmup Round
 * Copyright (C) 2026 counter-strike-boost.com
 *
 * Runs a timed warmup when the map starts: instant respawn, free weapons and no
 * score, with a HUD countdown. When the timer runs out the plugin restarts the
 * round and resets the score, and the normal game begins.
 *
 * This program 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 3 of the License, or (at your option) any later
 * version. It 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 <https://www.gnu.org/licenses/> for details.
 */

#include <amxmodx>
#include <hamsandwich>
#include <cstrike>
#include <fun>

new const PLUGIN[] = "CSB Warmup Round"
new const VERSION[] = "1.0.0"
new const AUTHOR[]  = "counter-strike-boost.com"

new g_pEnabled, g_pDuration

new bool:g_bWarmup
new Float:g_fEndTime
new g_iHudSync

public plugin_init()
{
    register_plugin(PLUGIN, VERSION, AUTHOR)

    g_pEnabled  = register_cvar("csb_warmup_enabled", "1")
    g_pDuration = register_cvar("csb_warmup_duration", "60")

    RegisterHam(Ham_Spawn, "player", "fwSpawnPost", 1)
    register_event("DeathMsg", "eventDeath", "a", "1>0")

    g_iHudSync = CreateHudSyncObj()
}

public plugin_cfg()
{
    if (get_pcvar_num(g_pEnabled))
        startWarmup()
}

startWarmup()
{
    g_bWarmup = true
    g_fEndTime = get_gametime() + get_pcvar_float(g_pDuration)

    client_print(0, print_chat, "^x04[Warmup]^x01 Warmup started - free weapons, no score for %d seconds.", get_pcvar_num(g_pDuration))

    set_task(1.0, "taskTick", 4646, _, _, "b")
}

public taskTick()
{
    if (!g_bWarmup)
    {
        remove_task(4646)
        return
    }

    new Float:left = g_fEndTime - get_gametime()

    if (left <= 0.0)
    {
        endWarmup()
        return
    }

    set_hudmessage(255, 200, 0, -1.0, 0.15, 0, 0.0, 1.1, 0.0, 0.0, -1)
    ShowSyncHudMsg(0, g_iHudSync, "WARMUP  %d", floatround(left, floatround_ceil))
}

endWarmup()
{
    g_bWarmup = false
    remove_task(4646)

    client_print(0, print_chat, "^x04[Warmup]^x01 Warmup over - the match begins now!")

    /* reset scores and restart the round */
    set_task(1.0, "taskRestart")
}

public taskRestart()
{
    server_cmd("sv_restartround 2")
}

public fwSpawnPost(id)
{
    if (!g_bWarmup || !is_user_alive(id))
        return

    set_task(0.2, "taskEquip", id)
}

public taskEquip(id)
{
    if (!g_bWarmup || !is_user_alive(id))
        return

    new team = get_user_team(id)

    strip_user_weapons(id)
    give_item(id, "weapon_knife")
    give_item(id, "weapon_hegrenade")

    if (team == 1)
    {
        give_item(id, "weapon_ak47")
        cs_set_user_bpammo(id, CSW_AK47, 90)
        give_item(id, "weapon_deagle")
        cs_set_user_bpammo(id, CSW_DEAGLE, 35)
    }
    else if (team == 2)
    {
        give_item(id, "weapon_m4a1")
        cs_set_user_bpammo(id, CSW_M4A1, 90)
        give_item(id, "weapon_deagle")
        cs_set_user_bpammo(id, CSW_DEAGLE, 35)
    }
}

public eventDeath()
{
    new victim = read_data(2)

    if (!g_bWarmup || victim < 1 || victim > 32)
        return

    /* no score during warmup: instant respawn */
    set_task(1.5, "taskRespawn", victim)
}

public taskRespawn(id)
{
    if (!g_bWarmup || !is_user_connected(id) || is_user_alive(id))
        return

    if (get_user_team(id) == 1 || get_user_team(id) == 2)
        ExecuteHamB(Ham_CS_RoundRespawn, id)
}