TankKeyboardControlUtil.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <tankgraph/TankKeyboardControlUtil.h>
#include <tank/Tank.h>
#include <tank/TankPosition.h>
#include <tank/TankState.h>
#include <tank/TankAccessories.h>
#include <tankgraph/TargetRendererImplTank.h>
#include <target/TargetShield.h>
#include <target/TargetLife.h>
#include <coms/ComsMessageSender.h>
#include <coms/ComsPlayedMoveMessage.h>
#include <coms/ComsDefenseMessage.h>
#include <client/ScorchedClient.h>
#include <client/ClientState.h>
#include <weapons/AccessoryStore.h>
#include <common/Keyboard.h>
#include <common/Line.h>
#include <landscapemap/LandscapeMaps.h>
#include <graph/OptionsDisplay.h>
#include <graph/MainCamera.h>
#include <sound/Sound.h>

VirtualSoundSource *TankKeyboardControlUtil::elevateSound_(0);
VirtualSoundSource *TankKeyboardControlUtil::rotateSound_(0);
VirtualSoundSource *TankKeyboardControlUtil::startSound_(0);
VirtualSoundSource *TankKeyboardControlUtil::powerSound_(0);

TankKeyboardControlUtil::TankKeyboardControlUtil()
{
}

TankKeyboardControlUtil::~TankKeyboardControlUtil()
{
}

void TankKeyboardControlUtil::keyboardCheck(
        Tank *tank,
        const unsigned state, 
        float frameTime, char *buffer, 
        unsigned int keyState)
{
        // Create sounds
        if (!elevateSound_) elevateSound_ = 
                new VirtualSoundSource(VirtualSoundPriority::eRotation, true, false);
        elevateSound_->setPosition(tank->getPosition().getTankPosition().asVector());
        if (!rotateSound_) rotateSound_ =
                new VirtualSoundSource(VirtualSoundPriority::eRotation, true, false);
        rotateSound_->setPosition(tank->getPosition().getTankPosition().asVector());
        if (!startSound_) startSound_ =
                new VirtualSoundSource(VirtualSoundPriority::eRotation, false, false);
        startSound_->setPosition(tank->getPosition().getTankPosition().asVector());
        if (!powerSound_) powerSound_ =
                new VirtualSoundSource(VirtualSoundPriority::eRotation, true, false);
        powerSound_->setPosition(tank->getPosition().getTankPosition().asVector());

        // Check key moves
        moveLeftRight(tank, buffer, keyState, frameTime);
        moveUpDown(tank, buffer, keyState, frameTime);
        movePower(tank, buffer, keyState, frameTime);

        KEYBOARDKEY("FIRE_WEAPON", fireKey);
        if (fireKey->keyDown(buffer, keyState, false))
        {
                // Only allow the standard fire key when we are not selecting a point
                // on the landscape.
                Accessory *currentWeapon = 
                        tank->getAccessories().getWeapons().getCurrent();
                if (currentWeapon &&
                        currentWeapon->getPositionSelect() == Accessory::ePositionSelectNone)
                {
                        fireShot(tank);
                }
        }

        KEYBOARDKEY("AUTO_AIM", aimKey);
        if (aimKey->keyDown(buffer, keyState))
        {
                autoAim(tank);
        }

        KEYBOARDKEY("ENABLE_PARACHUTES", parachuteKey);
        if (parachuteKey->keyDown(buffer, keyState, false))
        {
                std::list<Accessory *> &parachutes =
                        tank->getAccessories().getAllAccessoriesByType(
                                AccessoryPart::AccessoryParachute);
                if (parachutes.size() == 1)
                {
                        parachutesUpDown(tank, parachutes.front()->getAccessoryId());
                }
        }

        KEYBOARDKEY("ENABLE_SHIELDS", shieldKey);
        if (shieldKey->keyDown(buffer, keyState, false))
        {
                if (!tank->getShield().getCurrentShield())
                {
                        std::list<Accessory *> &shields =
                                tank->getAccessories().getAllAccessoriesByType(
                                        AccessoryPart::AccessoryShield);
                        if (shields.size() == 1)
                        {
                                shieldsUpDown(tank, shields.front()->getAccessoryId());
                        }
                }
        }

        KEYBOARDKEY("USE_BATTERY", batteryKey);
        if (batteryKey->keyDown(buffer, keyState, false))
        {
                if (tank->getLife().getLife() < 
                        tank->getLife().getMaxLife())
                {
                        std::list<Accessory *> &entries =
                                tank->getAccessories().getAllAccessoriesByType(
                                        AccessoryPart::AccessoryBattery);
                        if (!entries.empty())
                        {
                                useBattery(tank, entries.front()->getAccessoryId());
                        }
                }
        }

        KEYBOARDKEY("UNDO_MOVE", undoKey);
        if (undoKey->keyDown(buffer, keyState, false))
        {
                tank->getPosition().undo();
        }

        KEYBOARDKEY("CHANGE_UP_WEAPON", weaponUpKey);
        KEYBOARDKEY("CHANGE_DOWN_WEAPON", weaponDownKey);
        bool upWeapon = weaponUpKey->keyDown(buffer, keyState, false);
        bool downWeapon = weaponDownKey->keyDown(buffer, keyState, false);
        if (upWeapon || downWeapon)
        {
                if (downWeapon)
                {
                        prevWeapon(tank);
                }
                else
                {
                        nextWeapon(tank);
                }

                TargetRendererImplTankHUD::setText("Weapon : ", 
                        tank->getAccessories().getWeapons().getWeaponString());
        }
}

void TankKeyboardControlUtil::nextWeapon(Tank *tank)
{
        std::list<Accessory *> &result =
                tank->getAccessories().getAllAccessoriesByType(
                        AccessoryPart::AccessoryWeapon);
        ScorchedClient::instance()->getAccessoryStore().sortList(result,
                OptionsDisplay::instance()->getAccessorySortKey());

        std::list<Accessory *>::iterator itor;
        for (itor = result.begin();
                itor != result.end();
                itor++)
        {
                if (tank->getAccessories().getWeapons().getCurrent() == (*itor))
                {
                        if (++itor == result.end())
                        {
                                itor = result.begin();
                        }
                        tank->getAccessories().getWeapons().setWeapon(*itor);
                        break;
                }
        }
}

void TankKeyboardControlUtil::prevWeapon(Tank *tank)
{
        std::list<Accessory *> &result =
                tank->getAccessories().getAllAccessoriesByType(
                        AccessoryPart::AccessoryWeapon);
        ScorchedClient::instance()->getAccessoryStore().sortList(result,
                OptionsDisplay::instance()->getAccessorySortKey());

        std::list<Accessory *>::iterator itor;
        for (itor = result.begin();
                itor != result.end();
                itor++)
        {
                if (tank->getAccessories().getWeapons().getCurrent() == (*itor))
                {
                        if (itor == result.begin())
                        {
                                itor = result.end();
                        }

                        --itor;
                        tank->getAccessories().getWeapons().setWeapon(*itor);
                        break;
                }
        }
}

void TankKeyboardControlUtil::endPlayMove(Tank *tank)
{
        if (elevateSound_) elevateSound_->stop();
        if (rotateSound_) rotateSound_->stop();
        if (powerSound_) powerSound_->stop();
}

void TankKeyboardControlUtil::autoAim(Tank *tank)
{
        int x = ScorchedClient::instance()->getGameState().getMouseX();
        int y = ScorchedClient::instance()->getGameState().getMouseY();
        Line direction;
        Vector intersect;

        MainCamera::instance()->getCamera().draw();
        if (MainCamera::instance()->getCamera().
                getDirectionFromPt((GLfloat) x, (GLfloat) y, direction))
        {
                if (ScorchedClient::instance()->getLandscapeMaps().
                        getGroundMaps().getIntersect(direction, intersect))
        {
                        Vector &position = tank->getPosition().getTankPosition().asVector();

                        // Calculate direction
                        Vector direction = intersect - position;
                        float angleXYRads = atan2f(direction[1], direction[0]);
                        float angleXYDegs = (angleXYRads / 3.14f) * 180.0f - 90.0f;
                        
                        tank->getPosition().rotateGunXY(fixed::fromFloat(angleXYDegs), false);
                        leftRightHUD(tank);

                        TargetRendererImplTankAIM::setAimPosition(intersect);
                }
        }
}

void TankKeyboardControlUtil::moveLeftRight(Tank *tank, 
        char *buffer, unsigned int keyState, float frameTime)
{
        static bool LRMoving = false;
        bool currentLRMoving = false;

        KEYBOARDKEY("TURN_RIGHT", rightKey);
        KEYBOARDKEY("TURN_RIGHT_SLOW", rightSlowKey);
        KEYBOARDKEY("TURN_RIGHT_VSLOW", rightVSlowKey);
        KEYBOARDKEY("TURN_RIGHT_FAST", rightFastKey);
        KEYBOARDKEY("TURN_LEFT", leftKey);
        KEYBOARDKEY("TURN_LEFT_SLOW", leftSlowKey);
        KEYBOARDKEY("TURN_LEFT_VSLOW", leftVSlowKey);
        KEYBOARDKEY("TURN_LEFT_FAST", leftFastKey);

        bool rightK = rightKey->keyDown(buffer, keyState);
        bool rightKF = rightFastKey->keyDown(buffer, keyState);
        bool rightKS = rightSlowKey->keyDown(buffer, keyState);
        bool rightKVS = rightVSlowKey->keyDown(buffer, keyState);
        bool leftK = leftKey->keyDown(buffer, keyState);
        bool leftKF = leftFastKey->keyDown(buffer, keyState);
        bool leftKS = leftSlowKey->keyDown(buffer, keyState);
        bool leftKVS = leftVSlowKey->keyDown(buffer, keyState);

        if (rightK || rightKF || rightKS || rightKVS)
        {
                float mult = frameTime;
                if (rightKF) mult *= 4.0f;
                else if (rightKS) mult *= 0.25f;
                else if (rightKVS) mult *= 0.05f;

                tank->getPosition().rotateGunXY(fixed::fromFloat(-45.0f * mult));
                currentLRMoving = true;

                leftRightHUD(tank);
        }
        else if (leftK || leftKF || leftKS || leftKVS)
        {
                float mult = frameTime;
                if (leftKF) mult *= 4.0f;
                else if (leftKS) mult *= 0.25f;
                else if (leftKVS) mult *= 0.05f;

                tank->getPosition().rotateGunXY(fixed::fromFloat(45.0f * mult));
                currentLRMoving = true;

                leftRightHUD(tank);
        }

        if (LRMoving != currentLRMoving)
        {
                CACHE_SOUND(sound, S3D::getDataFile("data/wav/movement/movement.wav"));
                CACHE_SOUND(turn, S3D::getDataFile("data/wav/movement/turn.wav"));
                if (currentLRMoving)
                {
                        startSound_->play(sound);
                        rotateSound_->play(turn);
                }
                else
                {
                        rotateSound_->stop();
                }

                LRMoving = currentLRMoving;
        }
} 

void TankKeyboardControlUtil::leftRightHUD(Tank *tank)
{               
        float rot = tank->getPosition().getRotationGunXY().asFloat() / 360.0f;
        TargetRendererImplTankHUD::setText("Rot:", 
                tank->getPosition().getRotationString(), rot * 100.0f);
}

void TankKeyboardControlUtil::moveUpDown(Tank *tank,
        char *buffer, unsigned int keyState, float frameTime)
{
        static bool UDMoving = false;
        bool currentUDMoving = false;

        KEYBOARDKEY("ROTATE_UP", staticUpKey);
        KEYBOARDKEY("ROTATE_UP_SLOW", staticUpSlowKey);
        KEYBOARDKEY("ROTATE_UP_VSLOW", staticUpVSlowKey);
        KEYBOARDKEY("ROTATE_UP_FAST", staticUpFastKey);
        KEYBOARDKEY("ROTATE_DOWN", staticDownKey);
        KEYBOARDKEY("ROTATE_DOWN_SLOW", staticDownSlowKey);
        KEYBOARDKEY("ROTATE_DOWN_VSLOW", staticDownVSlowKey);
        KEYBOARDKEY("ROTATE_DOWN_FAST", staticDownFastKey);

        KeyboardKey *upKey = staticUpKey;
        KeyboardKey *upSlowKey = staticUpSlowKey;
        KeyboardKey *upVSlowKey = staticUpVSlowKey;
        KeyboardKey *upFastKey = staticUpFastKey;
        KeyboardKey *downKey = staticDownKey;
        KeyboardKey *downSlowKey = staticDownSlowKey;
        KeyboardKey *downVSlowKey = staticDownVSlowKey;
        KeyboardKey *downFastKey = staticDownFastKey;
        if (OptionsDisplay::instance()->getInvertElevation())
        {
                upKey = staticDownKey;
                upSlowKey = staticDownSlowKey;
                upVSlowKey = staticDownVSlowKey;
                upFastKey = staticDownFastKey;
                downKey = staticUpKey;
                downSlowKey = staticUpSlowKey;
                downVSlowKey = staticUpVSlowKey;
                downFastKey = staticUpFastKey;
        }

        bool upK = upKey->keyDown(buffer, keyState);
        bool upKS = upSlowKey->keyDown(buffer, keyState);
        bool upKVS = upVSlowKey->keyDown(buffer, keyState);
        bool upKF = upFastKey->keyDown(buffer, keyState);
        bool downK = downKey->keyDown(buffer, keyState);
        bool downKS = downSlowKey->keyDown(buffer, keyState);
        bool downKVS = downVSlowKey->keyDown(buffer, keyState);
        bool downKF = downFastKey->keyDown(buffer, keyState);

        if (upK || upKS || upKF || upKVS)
        {
                float mult = frameTime;
                if (upKF) mult *= 4.0f;
                else if (upKS) mult *= 0.25f;
                else if (upKVS) mult *= 0.05f;

                tank->getPosition().rotateGunYZ(fixed::fromFloat(-45.0f * mult));
                currentUDMoving = true;

                upDownHUD(tank);
        }
        else if (downK || downKS || downKF || downKVS)
        {
                float mult = frameTime;
                if (downKF) mult *= 4.0f;
                else if (downKS) mult *= 0.25f;
                else if (downKVS) mult *= 0.05f;

                tank->getPosition().rotateGunYZ(fixed::fromFloat(45.0f * mult));
                currentUDMoving = true;

                upDownHUD(tank);
        }

        if (UDMoving != currentUDMoving)
        {
                CACHE_SOUND(sound, S3D::getDataFile("data/wav/movement/movement.wav"));
                CACHE_SOUND(elevate, S3D::getDataFile("data/wav/movement/elevate.wav"));
                if (currentUDMoving)
                {
                        startSound_->play(sound);
                        elevateSound_->play(elevate);
                }
                else
                {
                        elevateSound_->stop();
                }

                UDMoving = currentUDMoving;
        }
}

void TankKeyboardControlUtil::upDownHUD(Tank *tank)
{
        float rot = tank->getPosition().getRotationGunYZ().asFloat() / 90.0f;
        TargetRendererImplTankHUD::setText("Ele:", 
                tank->getPosition().getElevationString(), rot * 100.0f);
}

void TankKeyboardControlUtil::movePower(Tank *tank,
        char *buffer, unsigned int keyState, float frameTime)
{
        static bool PMoving = false;
        bool currentPMoving = false;

        KEYBOARDKEY("INCREASE_POWER", incKey);
        KEYBOARDKEY("INCREASE_POWER_SLOW", incSlowKey);
        KEYBOARDKEY("INCREASE_POWER_VSLOW", incVSlowKey);
        KEYBOARDKEY("INCREASE_POWER_FAST", incFastKey);
        KEYBOARDKEY("DECREASE_POWER", decKey);
        KEYBOARDKEY("DECREASE_POWER_SLOW", decSlowKey);
        KEYBOARDKEY("DECREASE_POWER_VSLOW", decVSlowKey);
        KEYBOARDKEY("DECREASE_POWER_FAST", decFastKey);
        bool incK = incKey->keyDown(buffer, keyState);
        bool incKS = incSlowKey->keyDown(buffer, keyState);
        bool incKVS = incVSlowKey->keyDown(buffer, keyState);
        bool incKF = incFastKey->keyDown(buffer, keyState);
        bool decK = decKey->keyDown(buffer, keyState);
        bool decKS = decSlowKey->keyDown(buffer, keyState);
        bool decKVS = decVSlowKey->keyDown(buffer, keyState);
        bool decKF = decFastKey->keyDown(buffer, keyState);

        if (incK || incKS || incKF || incKVS) 
        {
                float mult = frameTime;
                if (incKF) mult *= 4.0f;
                else if (incKS) mult *= 0.25f;
                else if (incKVS) mult *= 0.05f;

                tank->getPosition().changePower(fixed::fromFloat(250.0f * mult));
                currentPMoving = true;

                powerHUD(tank);
        }
        else if (decK || decKS || decKF || decKVS) 
        {
                float mult = frameTime;
                if (decKF) mult *= 4.0f;
                else if (decKS) mult *= 0.25f;
                else if (decKVS) mult *= 0.05f;

                tank->getPosition().changePower(fixed::fromFloat(-250.0f * mult));
                currentPMoving = true;

                powerHUD(tank);
        }

        if (PMoving != currentPMoving)
        {
                CACHE_SOUND(power, S3D::getDataFile("data/wav/movement/power.wav"));
                if (currentPMoving)
                {
                        powerSound_->play(power);
                }
                else
                {
                        powerSound_->stop();
                }

                PMoving = currentPMoving;
        }
}

void TankKeyboardControlUtil::powerHUD(Tank *tank)
{
        float power = tank->getPosition().getPower().asFloat() / 
                tank->getPosition().getMaxPower().asFloat();
        TargetRendererImplTankHUD::setText("Pwr:", 
                tank->getPosition().getPowerString(), power * 100.0f);
}


void TankKeyboardControlUtil::fireShot(Tank *tank)
{
        Accessory *currentWeapon = 
                tank->getAccessories().getWeapons().getCurrent();
        if (currentWeapon)
        {
                // send message saying we are finished with shot
                ComsPlayedMoveMessage comsMessage(tank->getPlayerId(), ComsPlayedMoveMessage::eShot);
                comsMessage.setShot(
                        currentWeapon->getAccessoryId(),
                        tank->getPosition().getRotationGunXY(),
                        tank->getPosition().getRotationGunYZ(),
                        tank->getPosition().getPower(),
                        tank->getPosition().getSelectPositionX(),
                        tank->getPosition().getSelectPositionY());

                // If so we send this move to the server
                ComsMessageSender::sendToServer(comsMessage);

                // Stimulate into the next state waiting for all the shots
                ScorchedClient::instance()->getGameState().stimulate(ClientState::StimWait);
        }
}

void TankKeyboardControlUtil::skipShot(Tank *tank)
{
        // send message saying we are finished with shot
        ComsPlayedMoveMessage comsMessage(tank->getPlayerId(), ComsPlayedMoveMessage::eSkip);

        // Check if we are running in a NET/LAN environment
        // If so we send this move to the server
        ComsMessageSender::sendToServer(comsMessage);

        // Stimulate into the next state waiting for all the shots
        ScorchedClient::instance()->getGameState().stimulate(ClientState::StimWait);
}

void TankKeyboardControlUtil::resign(Tank *tank)
{
        // send message saying we are finished with shot
        ComsPlayedMoveMessage comsMessage(tank->getPlayerId(), ComsPlayedMoveMessage::eResign);

        // Check if we are running in a NET/LAN environment
        // If so we send this move to the server
        ComsMessageSender::sendToServer(comsMessage);
        
        // Stimulate into the next state waiting for all the shots
        ScorchedClient::instance()->getGameState().stimulate(ClientState::StimWait);
}

void TankKeyboardControlUtil::parachutesUpDown(Tank *tank, unsigned int paraId)
{
        ComsDefenseMessage defenseMessage(
                tank->getPlayerId(),
                (paraId!=0)?ComsDefenseMessage::eParachutesUp:ComsDefenseMessage::eParachutesDown,
                paraId);
        ComsMessageSender::sendToServer(defenseMessage);
}

void TankKeyboardControlUtil::shieldsUpDown(Tank *tank, unsigned int shieldId)
{
        ComsDefenseMessage defenseMessage(
                tank->getPlayerId(),
                (shieldId!=0)?ComsDefenseMessage::eShieldUp:ComsDefenseMessage::eShieldDown,
                shieldId);
        ComsMessageSender::sendToServer(defenseMessage);
}

void TankKeyboardControlUtil::useBattery(Tank *tank, unsigned int batteryId)
{
        ComsDefenseMessage defenseMessage(
                tank->getPlayerId(),
                ComsDefenseMessage::eBatteryUse,
                batteryId);
        ComsMessageSender::sendToServer(defenseMessage);
}

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