bearstonem--openmohaa-vr/code/fgame/actor_dog.cpp

/*
===========================================================================
Copyright (C) 2023 the OpenMoHAA team

This file is part of OpenMoHAA source code.

OpenMoHAA source code 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.

OpenMoHAA source code 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 OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

// actor.cpp:

#include "actor.h"

void Actor::InitDogIdle(GlobalFuncs_t *func)
{
    func->BeginState                 = &Actor::Begin_Dog;
    func->EndState                   = &Actor::End_Dog;
    func->ThinkState                 = &Actor::Think_Dog_Idle;
    func->PassesTransitionConditions = &Actor::PassesTransitionConditions_Idle;
    func->IsState                    = &Actor::IsDogState;
}

void Actor::InitDogAttack(GlobalFuncs_t *func)
{
    func->BeginState                 = &Actor::Begin_Dog;
    func->EndState                   = &Actor::End_Dog;
    func->ThinkState                 = &Actor::Think_Dog_Attack;
    func->PassesTransitionConditions = &Actor::PassesTransitionConditions_Attack;
    func->IsState                    = &Actor::IsDogState;
}

void Actor::InitDogCurious(GlobalFuncs_t *func)
{
    func->BeginState                 = &Actor::Begin_Dog;
    func->EndState                   = &Actor::End_Dog;
    func->ThinkState                 = &Actor::Think_Dog_Curious;
    func->PassesTransitionConditions = &Actor::PassesTransitionConditions_Curious;
    func->IsState                    = &Actor::IsDogState;
}

bool Actor::IsDogState(int state)
{
    return true;
}

void Actor::Begin_Dog(void)
{
    m_bDog = true;
}

void Actor::End_Dog(void)
{
    ;
}

void Actor::Think_Dog_Idle(void)
{
    if (!RequireThink()) {
        return;
    }

    UpdateEyeOrigin();
    m_pszDebugState         = "Dog_Idle";
    m_bHasDesiredLookAngles = false;
    m_eNextAnimMode         = ANIM_MODE_NORMAL;
    m_csNextAnimString      = STRING_ANIM_DOG_IDLE_SCR;
    CheckForThinkStateTransition();
    PostThink(false);
}

void Actor::Think_Dog_Attack(void)
{
    if (!RequireThink()) {
        return;
    }

    UpdateEyeOrigin();
    m_pszDebugState = "Dog_Attack";

    if (m_Enemy && !(m_Enemy->IsSubclassOfActor())) {
        SetPath(m_Enemy->origin, NULL, 0, NULL, 0.0);
        if (PathExists()) {
            vec2_t delta;
            VectorSub2D(m_Enemy->origin, origin, delta);

            if (VectorLength2DSquared(delta) >= 8000) {
                FaceMotion();
                m_csNextAnimString = STRING_ANIM_DOG_CHASE_SCR;
                m_eNextAnimMode    = ANIM_MODE_PATH;
            } else {
                {
                    vec2_t facedir;
                    facedir[0] = m_Enemy->origin[0] - origin[0];
                    facedir[1] = m_Enemy->origin[1] - origin[1];
                    if (facedir[0] != 0 || facedir[1] != 0) {
                        SetDesiredYawDir(facedir);
                    }
                }
                SetDesiredLookDir(m_Enemy->origin - origin);
                m_eNextAnimMode    = ANIM_MODE_NORMAL;
                m_csNextAnimString = STRING_ANIM_DOG_ATTACK_SCR;
            }
            m_bNextForceStart = false;
            CheckForThinkStateTransition();
            PostThink(false);
            return;
        }

        {
            vec2_t facedir;
            facedir[0] = m_Enemy->origin[0] - origin[0];
            facedir[1] = m_Enemy->origin[1] - origin[1];
            if (facedir[0] != 0 || facedir[1] != 0) {
                SetDesiredYawDir(facedir);
            }
        }
        SetDesiredLookDir(m_Enemy->origin - origin);
    }
    m_bNextForceStart  = false;
    m_eNextAnimMode    = ANIM_MODE_NORMAL;
    m_csNextAnimString = STRING_ANIM_DOG_CURIOUS_SCR;
    TransitionState(20, 0);

    CheckForThinkStateTransition();
    PostThink(false);
}

void Actor::Think_Dog_Curious(void)
{
    if (RequireThink()) {
        UpdateEyeOrigin();
        m_pszDebugState = "Dog_Curious";

        if (m_Enemy && !m_Enemy->IsSubclassOfActor()) {
            vec2_t vDelta;
            VectorSub2D(m_Enemy->origin, origin, vDelta);

            if (vDelta[0] != 0 || vDelta[1] != 0) {
                SetDesiredYawDir(vDelta);
            }

            SetDesiredLookDir(m_Enemy->origin - origin);
        }
        m_bNextForceStart  = false;
        m_eNextAnimMode    = ANIM_MODE_NORMAL;
        m_csNextAnimString = STRING_ANIM_DOG_CURIOUS_SCR;

        CheckForThinkStateTransition();
        PostThink(false);
    }
}