cp_character.cpp

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/*
Copyright (C) 2002-2020 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 "cp_character.h"
#include "cp_campaign.h"

typedef struct {
    int ucn;
    int HP;
    int STUN;
    int morale;
    woundInfo_t wounds;

    chrScoreGlobal_t chrscore;
} updateCharacter_t;

int CHAR_GetMaxExperiencePerMission (const abilityskills_t skill)
{
    switch (skill) {
    case ABILITY_POWER:
        return 125;
    case ABILITY_SPEED:
        return 91;
    case ABILITY_ACCURACY:
        return 450;
    case ABILITY_MIND:
        return 450;
    case SKILL_CLOSE:
        return 680;
    case SKILL_HEAVY:
        return 680;
    case SKILL_ASSAULT:
        return 680;
    case SKILL_SNIPER:
        return 680;
    case SKILL_EXPLOSIVE:
        return 680;
    case SKILL_NUM_TYPES: /* This is health. */
        return 360;
    case SKILL_PILOTING:
    case SKILL_TARGETING:
    case SKILL_EVADING:
        return 0;
    default:
        cgi->Com_Error(ERR_DROP, "G_GetMaxExperiencePerMission: invalid skill type");
        return -1;
    }
}

void CHAR_UpdateSkills (character_t* chr)
{
    for (int i = 0; i < SKILL_NUM_TYPES; ++i)
        chr->score.skills[i] = std::min(MAX_SKILL, chr->score.initialSkills[i] +
            static_cast<int>(pow(static_cast<float>(chr->score.experience[i]) / 10, 0.6f)));

    chr->maxHP = std::min(MAX_MAXHP, chr->score.initialSkills[SKILL_NUM_TYPES] +
        static_cast<int>(pow(static_cast<float>(chr->score.experience[SKILL_NUM_TYPES]) / 10, 0.6f)));
}

void CHAR_UpdateData (linkedList_t* updateCharacters)
{
    LIST_Foreach(updateCharacters, updateCharacter_t, c) {
        Employee* employee = E_GetEmployeeFromChrUCN(c->ucn);

        if (!employee) {
            cgi->Com_Printf("Warning: Could not get character with ucn: %i.\n", c->ucn);
            continue;
        }

        character_t* chr = &employee->chr;
        const bool fullHP = c->HP >= chr->maxHP;
        chr->STUN = c->STUN;
        chr->morale = c->morale;

        memcpy(chr->wounds.treatmentLevel, c->wounds.treatmentLevel, sizeof(chr->wounds.treatmentLevel));
        memcpy(chr->score.kills, c->chrscore.kills, sizeof(chr->score.kills));
        memcpy(chr->score.stuns, c->chrscore.stuns, sizeof(chr->score.stuns));
        chr->score.assignedMissions = c->chrscore.assignedMissions;

        for (int i = ABILITY_POWER; i <= SKILL_NUM_TYPES; ++i) {
            const int maxXP = CHAR_GetMaxExperiencePerMission(static_cast<abilityskills_t>(i));
            const int gainedXP = std::min(maxXP, c->chrscore.experience[i] - chr->score.experience[i]);
            chr->score.experience[i] += gainedXP;
            cgi->Com_DPrintf(DEBUG_CLIENT, "CP_UpdateCharacterData: Soldier %s earned %d experience points in skill #%d (total experience: %d)\n",
                chr->name, gainedXP, i, chr->score.experience[SKILL_NUM_TYPES]);
        }

        CHAR_UpdateSkills(chr);
        /* If character returned unscratched and maxHP just went up due to experience
         * don't send him/her to the hospital */
        chr->HP = (fullHP ? chr->maxHP : std::min(c->HP, chr->maxHP));
    }
}

void CHAR_ParseData (dbuffer* msg, linkedList_t** updateCharacters)
{
    const int num = cgi->NET_ReadByte(msg);

    if (num < 0)
        cgi->Com_Error(ERR_DROP, "CP_ParseCharacterData: invalid character number found in stream (%i)\n", num);

    for (int i = 0; i < num; i++) {
        updateCharacter_t c;
        OBJZERO(c);
        c.ucn = cgi->NET_ReadShort(msg);
        c.HP = cgi->NET_ReadShort(msg);
        c.STUN = cgi->NET_ReadByte(msg);
        c.morale = cgi->NET_ReadByte(msg);

        int j;
        for (j = 0; j < BODYPART_MAXTYPE; ++j)
            c.wounds.treatmentLevel[j] = cgi->NET_ReadByte(msg);

        for (j = 0; j < SKILL_NUM_TYPES + 1; j++)
            c.chrscore.experience[j] = cgi->NET_ReadLong(msg);
        for (j = 0; j < KILLED_NUM_TYPES; j++)
            c.chrscore.kills[j] = cgi->NET_ReadShort(msg);
        for (j = 0; j < KILLED_NUM_TYPES; j++)
            c.chrscore.stuns[j] = cgi->NET_ReadShort(msg);
        c.chrscore.assignedMissions = cgi->NET_ReadShort(msg);
        LIST_Add(updateCharacters, c);
    }
}

static bool CHAR_ShouldUpdateSoldierRank (const rank_t* rank, const character_t* chr)
{
    if (rank->type != EMPL_SOLDIER)
        return false;

    /* mind is not yet enough */
    if (chr->score.skills[ABILITY_MIND] < rank->mind)
        return false;

    /* not enough killed enemies yet */
    if (chr->score.kills[KILLED_ENEMIES] < rank->killedEnemies)
        return false;

    /* too many civilians and team kills */
    if (chr->score.kills[KILLED_CIVILIANS] + chr->score.kills[KILLED_TEAM] > rank->killedOthers)
        return false;

    return true;
}

void CHAR_UpdateStats (const base_t* base, const aircraft_t* aircraft)
{
    assert(aircraft);

    /* only soldiers have stats and ranks, ugvs not */
    E_Foreach(EMPL_SOLDIER, employee) {
        if (!employee->isHiredInBase(aircraft->homebase))
            continue;
        if (!AIR_IsEmployeeInAircraft(employee, aircraft))
            continue;
        character_t* chr = &employee->chr;

        /* Remember the number of assigned mission for this character. */
        chr->score.assignedMissions++;

        /* Check if the soldier meets the requirements for a higher rank
         * and do a promotion. */
        if (ccs.numRanks < 2)
            continue;

        for (int j = ccs.numRanks - 1; j > chr->score.rank; j--) {
            const rank_t* rank = CL_GetRankByIdx(j);
            if (!CHAR_ShouldUpdateSoldierRank(rank, chr))
                continue;

            chr->score.rank = j;
            if (chr->HP > 0)
                Com_sprintf(cp_messageBuffer, sizeof(cp_messageBuffer), _("%s has been promoted to %s.\n"), chr->name, _(rank->name));
            else
                Com_sprintf(cp_messageBuffer, sizeof(cp_messageBuffer), _("%s has been awarded the posthumous rank of %s\nfor inspirational gallantry in the face of overwhelming odds.\n"), chr->name, _(rank->name));
            MS_AddNewMessage(_("Soldier promoted"), cp_messageBuffer, MSG_PROMOTION);
            break;
        }
    }
    cgi->Com_DPrintf(DEBUG_CLIENT, "CHAR_UpdateStats: Done\n");
}


#ifdef DEBUG

static void CHAR_DebugChangeStats_f (void)
{
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <baseIDX>\n", cgi->Cmd_Argv(0));
        return;
    }
    base_t* base = B_GetBaseByIDX(atoi(cgi->Cmd_Argv(1)));
    if (!base) {
        cgi->Com_Printf("Invalid base idx\n");
        return;
    }

    E_Foreach(EMPL_SOLDIER, employee) {
        if (!employee->isHiredInBase(base))
            continue;

        character_t* chr = &(employee->chr);
        assert(chr);

        for (int j = 0; j < KILLED_NUM_TYPES; j++)
            chr->score.kills[j]++;
    }
    if (base->aircraftCurrent)
        CHAR_UpdateStats(base, base->aircraftCurrent);
}
#endif /* DEBUG */

void CHAR_InitStartup (void)
{
#ifdef DEBUG
    cgi->Cmd_AddCommand("debug_statsupdate", CHAR_DebugChangeStats_f, "Debug function to increase the kills and test the ranks");
#endif
}

void CHAR_Shutdown (void)
{
#ifdef DEBUG
    cgi->Cmd_RemoveCommand("debug_statsupdate");
#endif
}