cp_employee_callbacks.cpp

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/*
Copyright (C) 2002-2025 UFO: Alien Invasion.
 
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 2
of the License, or (at your option) any later version.
 
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
*/
#include "../../cl_shared.h"
#include "../../ui/ui_dataids.h"
#include "cp_campaign.h"
#include "cp_hospital.h" /* HOS_NeedsHealing */
#include "cp_employee_callbacks.h"
#include "cp_employee.h"

static Employee* selectedEmployee = nullptr;
/* Holds the current active employee category */
static int employeeCategory = 0;
 
/* List of (hired) emplyoees in the current category (employeeType). */
static linkedList_t* employeeList;  
/* How many employees in current list (changes on every category change, too) */
static int employeesInCurrentList;

static void E_UpdateGUICount_f (void)
{
    const base_t* base = B_GetCurrentSelectedBase();
 
    if (!base)
        return;
 
    const int max = CAP_GetMax(base, CAP_EMPLOYEES);
    cgi->Cvar_SetValue("mn_hiresoldiers", E_CountHired(base, EMPL_SOLDIER));
    cgi->Cvar_SetValue("mn_hireworkers", E_CountHired(base, EMPL_WORKER));
    cgi->Cvar_SetValue("mn_hirescientists", E_CountHired(base, EMPL_SCIENTIST));
    cgi->Cvar_SetValue("mn_hirepilots", E_CountHired(base, EMPL_PILOT));
    cgi->Cvar_Set("mn_hirepeople", "%d/%d", E_CountAllHired(base), max);
}
 
static void E_EmployeeSelect (Employee* employee)
{
    const base_t* base = B_GetCurrentSelectedBase();
    if (!base)
        return;
 
    selectedEmployee = employee;
    if (selectedEmployee) {
        const character_t* chr = &selectedEmployee->chr;
        /* mn_employee_hired is needed to allow renaming */
        cgi->Cvar_SetValue("mn_employee_hired", selectedEmployee->isHired() ? 1 : 0);
        cgi->Cvar_SetValue("mn_ucn", chr->ucn);
 
        /* set info cvars */
        cgi->CL_UpdateCharacterValues(chr);
    }
}

static Employee* E_GetEmployeeByMenuIndex (int num)
{
    return static_cast<Employee*>(cgi->LIST_GetByIdx(employeeList, num));
}

static void E_EmployeeList_f (void)
{
    const base_t* base = B_GetCurrentSelectedBase();
 
    if (!base)
        return;
 
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <category> <employeeid>\n", cgi->Cmd_Argv(0));
        return;
    }
 
    employeeCategory = atoi(cgi->Cmd_Argv(1));
    if (employeeCategory >= MAX_EMPL || employeeCategory < 0)
        employeeCategory = EMPL_SOLDIER;
 
    int hiredEmployeeIdx;
    if (cgi->Cmd_Argc() == 3)
        hiredEmployeeIdx = atoi(cgi->Cmd_Argv(2));
    else
        hiredEmployeeIdx = -1;
 
    /* reset the employee list */
    employeesInCurrentList = 0;
    cgi->LIST_Delete(&employeeList);
    cgi->UI_ExecuteConfunc("hire_clear");
 
    E_Foreach(employeeCategory, e) {
        /* don't show employees of other bases */
        if (e->isHired() && !e->isHiredInBase(base))
            continue;
        /* don't show employees being transferred to other bases */
        if (e->transfer)
            continue;
        cgi->LIST_AddPointer(&employeeList, e);
        const int needsHealing = HOS_NeedsHealing(e->chr) ? 1 : 0;
        const aircraft_t* craft = AIR_IsEmployeeInAircraft(e, nullptr);
        cgi->UI_ExecuteConfunc("hire_addemployee %i \"%s\" %i \"%s\"",
                employeesInCurrentList, e->chr.name, needsHealing, craft ? craft->name : "");
        if (e->isHired()) {
            if (e->isAwayFromBase())
                cgi->UI_ExecuteConfunc("employeedisable %i", employeesInCurrentList);
            else
                cgi->UI_ExecuteConfunc("employeefire %i", employeesInCurrentList);
        } else {
            cgi->UI_ExecuteConfunc("employeehire %i", employeesInCurrentList);
        }
        employeesInCurrentList++;
    }
 
    /* If the list is empty OR we are in pilots/scientists/workers-mode: don't show the model&stats. */
    if (employeesInCurrentList == 0) {
        cgi->Cvar_Set("mn_show_employee", "0");
    } else {
        if (employeeCategory == EMPL_SCIENTIST || employeeCategory == EMPL_WORKER)
            cgi->Cvar_Set("mn_show_employee", "3");
        else if (employeeCategory == EMPL_PILOT)
            cgi->Cvar_Set("mn_show_employee", "2");
        else
            cgi->Cvar_Set("mn_show_employee", "1");
    }
    /* Select the current employee if name was changed or first one. Use the direct string
     * execution here - otherwise the employeeCategory might be out of sync */
    Employee* employee = nullptr;
    if (hiredEmployeeIdx < 0 || selectedEmployee == nullptr)
        employee = E_GetEmployeeByMenuIndex(0);
    else
        employee = selectedEmployee;
 
    E_EmployeeSelect(employee);
}

static void E_ChangeName_f (void)
{
    Employee* employee = E_GetEmployeeFromChrUCN(cgi->Cvar_GetInteger("mn_ucn"));
    if (!employee)
        return;
 
    /* employee name should not contain " */
    if (!Com_IsValidName(cgi->Cvar_GetString("mn_name"))) {
        cgi->Cvar_ForceSet("mn_name", employee->chr.name);
        return;
    }
 
    Q_strncpyz(employee->chr.name, cgi->Cvar_GetString("mn_name"), sizeof(employee->chr.name));
}

static void E_EmployeeDelete_f (void)
{
    /* Check syntax. */
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <num>\n", cgi->Cmd_Argv(0));
        return;
    }
 
    /* num - menu index (line in text) */
    int num = atoi(cgi->Cmd_Argv(1));
 
    Employee* employee = E_GetEmployeeByMenuIndex(num);
    /* empty slot selected */
    if (!employee)
        return;
 
    if (employee->isHired()) {
        if (!employee->unhire()) {
            cgi->UI_DisplayNotice(_("Could not fire employee"), 2000, "employees");
            cgi->Com_DPrintf(DEBUG_CLIENT, "Couldn't fire employee\n");
            return;
        }
    }
    E_DeleteEmployee(employee);
    cgi->Cbuf_AddText("employee_init %i\n", employeeCategory);
 
    num = std::max(0, num - 1);
    cgi->Cbuf_AddText("employee_select %i\n", num);
    cgi->Cbuf_AddText("hire_select %i\n", num);
 
    cgi->Cbuf_AddText("employee_update_count\n");
}

static void E_EmployeeHire_f (void)
{
    base_t* base = B_GetCurrentSelectedBase();
 
    if (!base)
        return;
 
    /* Check syntax. */
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <+num>\n", cgi->Cmd_Argv(0));
        return;
    }
 
    const char* arg = cgi->Cmd_Argv(1);
 
    if (arg[0] == '+')
        ++arg;
 
    const int num = atoi(arg);
 
    Employee* employee = E_GetEmployeeByMenuIndex(num);
    /* empty slot selected */
    if (!employee)
        return;
 
    if (employee->isHired()) {
        if (!employee->unhire()) {
            cgi->Com_DPrintf(DEBUG_CLIENT, "Couldn't fire employee\n");
            cgi->UI_DisplayNotice(_("Could not fire employee"), 2000, "employees");
        } else {
            cgi->UI_ExecuteConfunc("employeehire %i", num);
        }
    } else {
        if (!E_HireEmployee(base, employee)) {
            cgi->Com_DPrintf(DEBUG_CLIENT, "Couldn't hire employee\n");
            cgi->UI_DisplayNotice(_("Could not hire employee"), 2000, "employees");
            cgi->UI_ExecuteConfunc("employeehire %i", num);
        } else {
            cgi->UI_ExecuteConfunc("employeefire %i", num);
        }
    }
    E_EmployeeSelect(employee);
    cgi->Cbuf_AddText("hire_select %i\n", num);
 
    E_UpdateGUICount_f();
}

static void E_EmployeeSelect_f (void)
{
    /* Check syntax. */
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <num>\n", cgi->Cmd_Argv(0));
        return;
    }
 
    const int num = atoi(cgi->Cmd_Argv(1));
    if (num < 0 || num >= employeesInCurrentList)
        return;
 
    E_EmployeeSelect(E_GetEmployeeByMenuIndex(num));
}

static const char* E_GetEmployeeTypeString (employeeType_t type)
{
    switch (type) {
    case EMPL_SOLDIER:
        return "soldier";
    case EMPL_SCIENTIST:
        return "scientist";
    case EMPL_WORKER:
        return "worker";
    case EMPL_PILOT:
        return "pilot";
    case EMPL_ROBOT:
        return "ugv";
    default:
        cgi->Com_Error(ERR_DROP, "Unknown employee type '%i'\n", type);
    }
}

static void E_GetCounts_f (void)
{
    if (cgi->Cmd_Argc() < 3) {
        cgi->Com_Printf("Usage: %s <callback> <base-IDX>\n", cgi->Cmd_Argv(0));
        return;
    }
 
    char callback[MAX_VAR];
    Q_strncpyz(callback, cgi->Cmd_Argv(1), sizeof(callback));
    const int baseIdx = atoi(cgi->Cmd_Argv(2));
    const base_t* base = B_GetFoundedBaseByIDX(baseIdx);
    if (base == nullptr) {
        cgi->Com_Printf("E_GetCounts_f: Invalid base Idx given\n");
        return;
    }
 
    for (int type = EMPL_SOLDIER; type < EMPL_ROBOT; type++) {
        const int count = E_CountHired(base, (employeeType_t)type);
        cgi->UI_ExecuteConfunc("%s %s %d %s",
            callback,
            E_GetEmployeeTypeString((employeeType_t) type),
            count,
            E_GetEmployeeString((employeeType_t) type, count)
        );
    }
}

static const cmdList_t employeeCmds[] = {
    {"employee_update_count", E_UpdateGUICount_f, "Callback to update the employee count of the current GUI"},
    {"employee_init", E_EmployeeList_f, "Init function for employee hire menu"},
    {"employee_delete", E_EmployeeDelete_f, "Remove an employee from the global employee list"},
    {"employee_hire", E_EmployeeHire_f, nullptr},
    {"employee_select", E_EmployeeSelect_f, nullptr},
    {"employee_changename", E_ChangeName_f, "Change the name of an employee"},
 
    {"ui_get_employee_counts", E_GetCounts_f, "Callback return the number of each employee types hired on a base"},
    {nullptr, nullptr, nullptr}
};

void E_InitCallbacks (void)
{
    cgi->Cmd_TableAddList(employeeCmds);
}

void E_ShutdownCallbacks (void)
{
    cgi->Cmd_TableRemoveList(employeeCmds);
}