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//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors

This file is part of EDuke32.

EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.

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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

//-------------------------------------------------------------------------

#include "global.h"
#include "game.h"
#include "function.h"
#include "keyboard.h"
#include "mouse.h"
#include "joystick.h"
#include "control.h"
#include "input.h"
#include "menus.h"

int32_t I_CheckAllInput(void)
{
    return
        KB_KeyWaiting()
        || MOUSE_GetButtons()
        || JOYSTICK_GetButtons()
#if defined EDUKE32_IOS
        || g_mouseClickState == MOUSE_PRESSED
#endif
        ;
}
void I_ClearAllInput(void)
{
    KB_FlushKeyboardQueue();
    KB_ClearKeysDown();
    MOUSE_ClearAllButtons();
    JOYSTICK_ClearAllButtons();
    CONTROL_ClearAllButtons();
#if defined EDUKE32_IOS
    mouseAdvanceClickState();
#endif
}


int32_t I_AdvanceTrigger(void)
{
    return
        KB_KeyPressed(sc_Enter)
        || KB_KeyPressed(sc_kpad_Enter)
        || KB_KeyPressed(sc_Space)
#if !defined EDUKE32_TOUCH_DEVICES
        || MOUSEINACTIVECONDITIONAL(MOUSE_GetButtons()&LEFT_MOUSE)
#endif
        || (JOYSTICK_GetGameControllerButtons()&(1<<SDL_CONTROLLER_BUTTON_A))
#if defined(GEKKO)
        || MOUSEINACTIVECONDITIONAL(JOYSTICK_GetButtons()&WII_A)
#endif
        ;
}

void I_AdvanceTriggerClear(void)
{
    KB_FlushKeyboardQueue();
    KB_ClearKeyDown(sc_Space);
    KB_ClearKeyDown(sc_kpad_Enter);
    KB_ClearKeyDown(sc_Enter);
    MOUSE_ClearButton(LEFT_MOUSE);
    JOYSTICK_ClearGameControllerButton(1<<SDL_CONTROLLER_BUTTON_A);
#if defined(GEKKO)
    JOYSTICK_ClearButton(WII_A);
#endif
}

int32_t I_ReturnTrigger(void)
{
    return
        KB_KeyPressed(sc_Escape)
        || (MOUSE_GetButtons()&RIGHT_MOUSE)
        || (JOYSTICK_GetGameControllerButtons()&(1<<SDL_CONTROLLER_BUTTON_B))
#if defined(GEKKO)
        || (JOYSTICK_GetButtons()&(WII_B|WII_HOME))
#endif
        ;
}

void I_ReturnTriggerClear(void)
{
    KB_FlushKeyboardQueue();
    KB_ClearKeyDown(sc_Escape);
    MOUSE_ClearButton(RIGHT_MOUSE);
    JOYSTICK_ClearGameControllerButton(1<<SDL_CONTROLLER_BUTTON_B);
#if defined(GEKKO)
    JOYSTICK_ClearButton(WII_B);
    JOYSTICK_ClearButton(WII_HOME);
#endif
}

int32_t I_GeneralTrigger(void)
{
    return
        I_AdvanceTrigger()
        || I_ReturnTrigger()
#if !defined GEKKO
        || BUTTON(gamefunc_Open)
# if !defined EDUKE32_TOUCH_DEVICES
        || MOUSEINACTIVECONDITIONAL(BUTTON(gamefunc_Fire))
# else
        || BUTTON(gamefunc_Fire)
# endif
#endif
        || BUTTON(gamefunc_Crouch)
        || (JOYSTICK_GetGameControllerButtons()&(1<<GAMECONTROLLER_BUTTON_START))
        ;
}

void I_GeneralTriggerClear(void)
{
    I_AdvanceTriggerClear();
    I_ReturnTriggerClear();
#if !defined GEKKO
    CONTROL_ClearButton(gamefunc_Open);
    CONTROL_ClearButton(gamefunc_Fire);
#endif
    CONTROL_ClearButton(gamefunc_Crouch);
    JOYSTICK_ClearGameControllerButton(1<<GAMECONTROLLER_BUTTON_START);
}


int32_t I_EscapeTrigger(void)
{
    return
        KB_KeyPressed(sc_Escape)
        || (JOYSTICK_GetGameControllerButtons()&(1<<GAMECONTROLLER_BUTTON_START))
#if defined(GEKKO)
        || (JOYSTICK_GetButtons()&WII_HOME)
#endif
        ;
}

void I_EscapeTriggerClear(void)
{
    KB_FlushKeyboardQueue();
    KB_ClearKeyDown(sc_Escape);
    JOYSTICK_ClearGameControllerButton(1<<GAMECONTROLLER_BUTTON_START);
#if defined(GEKKO)
    JOYSTICK_ClearButton(WII_HOME);
#endif
}


int32_t I_MenuUp(void)
{
    return
        KB_KeyPressed(sc_UpArrow)
        || KB_KeyPressed(sc_kpad_8)
        || (MOUSE_GetButtons()&WHEELUP_MOUSE)
        || BUTTON(gamefunc_Move_Forward)
        || (JOYSTICK_GetHat(0)&HAT_UP)
        || (JOYSTICK_GetGameControllerButtons()&(1<<GAMECONTROLLER_BUTTON_DPAD_UP))
        ;
}

void I_MenuUpClear(void)
{
    KB_ClearKeyDown(sc_UpArrow);
    KB_ClearKeyDown(sc_kpad_8);
    MOUSE_ClearButton(WHEELUP_MOUSE);
    CONTROL_ClearButton(gamefunc_Move_Forward);
    JOYSTICK_ClearHat(0);
    JOYSTICK_ClearGameControllerButton(1<<GAMECONTROLLER_BUTTON_DPAD_UP);
}


int32_t I_MenuDown(void)
{
    return
        KB_KeyPressed(sc_DownArrow)
        || KB_KeyPressed(sc_kpad_2)
        || (MOUSE_GetButtons()&WHEELDOWN_MOUSE)
        || BUTTON(gamefunc_Move_Backward)
        || (JOYSTICK_GetHat(0)&HAT_DOWN)
        || (JOYSTICK_GetGameControllerButtons()&(1<<GAMECONTROLLER_BUTTON_DPAD_DOWN))
        ;
}

void I_MenuDownClear(void)
{
    KB_ClearKeyDown(sc_DownArrow);
    KB_ClearKeyDown(sc_kpad_2);
    KB_ClearKeyDown(sc_PgDn);
    MOUSE_ClearButton(WHEELDOWN_MOUSE);
    CONTROL_ClearButton(gamefunc_Move_Backward);
    JOYSTICK_ClearHat(0);
    JOYSTICK_ClearGameControllerButton(1<<GAMECONTROLLER_BUTTON_DPAD_DOWN);
}


int32_t I_MenuLeft(void)
{
    return
        KB_KeyPressed(sc_LeftArrow)
        || KB_KeyPressed(sc_kpad_4)
        || (SHIFTS_IS_PRESSED && KB_KeyPressed(sc_Tab))
        || BUTTON(gamefunc_Turn_Left)
        || BUTTON(gamefunc_Strafe_Left)
        || (JOYSTICK_GetHat(0)&HAT_LEFT)
        || (JOYSTICK_GetGameControllerButtons()&(1<<GAMECONTROLLER_BUTTON_DPAD_LEFT))
        ;
}

void I_MenuLeftClear(void)
{
    KB_ClearKeyDown(sc_LeftArrow);
    KB_ClearKeyDown(sc_kpad_4);
    KB_ClearKeyDown(sc_Tab);
    CONTROL_ClearButton(gamefunc_Turn_Left);
    CONTROL_ClearButton(gamefunc_Strafe_Left);
    JOYSTICK_ClearHat(0);
    JOYSTICK_ClearGameControllerButton(1<<GAMECONTROLLER_BUTTON_DPAD_LEFT);
}


int32_t I_MenuRight(void)
{
    return
        KB_KeyPressed(sc_RightArrow)
        || KB_KeyPressed(sc_kpad_6)
        || (!SHIFTS_IS_PRESSED && KB_KeyPressed(sc_Tab))
        || BUTTON(gamefunc_Turn_Right)
        || BUTTON(gamefunc_Strafe_Right)
        || (MOUSE_GetButtons()&MIDDLE_MOUSE)
        || (JOYSTICK_GetHat(0)&HAT_RIGHT)
        || (JOYSTICK_GetGameControllerButtons()&(1<<GAMECONTROLLER_BUTTON_DPAD_RIGHT))
        ;
}

void I_MenuRightClear(void)
{
    KB_ClearKeyDown(sc_RightArrow);
    KB_ClearKeyDown(sc_kpad_6);
    KB_ClearKeyDown(sc_Tab);
    CONTROL_ClearButton(gamefunc_Turn_Right);
    CONTROL_ClearButton(gamefunc_Strafe_Right);
    MOUSE_ClearButton(MIDDLE_MOUSE);
    JOYSTICK_ClearHat(0);
    JOYSTICK_ClearGameControllerButton(1<<GAMECONTROLLER_BUTTON_DPAD_RIGHT);
}


int32_t I_PanelUp(void)
{
    return
        I_MenuUp()
        || I_MenuLeft()
        || KB_KeyPressed(sc_PgUp)
        ;
}

void I_PanelUpClear(void)
{
    I_MenuUpClear();
    I_MenuLeftClear();
    KB_ClearKeyDown(sc_PgUp);
}


int32_t I_PanelDown(void)
{
    return
        I_MenuDown()
        || I_MenuRight()
        || KB_KeyPressed(sc_PgDn)
        || I_AdvanceTrigger()
        ;
}

void I_PanelDownClear(void)
{
    I_MenuDownClear();
    I_MenuRightClear();
    KB_ClearKeyDown(sc_PgDn);
    I_AdvanceTriggerClear();
}


int32_t I_SliderLeft(void)
{
    return
        I_MenuLeft()
#if !defined EDUKE32_TOUCH_DEVICES
        || MOUSEINACTIVECONDITIONAL((MOUSE_GetButtons()&LEFT_MOUSE) && (MOUSE_GetButtons()&WHEELUP_MOUSE))
#endif
        ;
}

void I_SliderLeftClear(void)
{
    I_MenuLeftClear();
    MOUSE_ClearButton(WHEELUP_MOUSE);
}


int32_t I_SliderRight(void)
{
    return
        I_MenuRight()
#if !defined EDUKE32_TOUCH_DEVICES
        || MOUSEINACTIVECONDITIONAL((MOUSE_GetButtons()&LEFT_MOUSE) && (MOUSE_GetButtons()&WHEELDOWN_MOUSE))
#endif
        ;
}

void I_SliderRightClear(void)
{
    I_MenuRightClear();
    MOUSE_ClearButton(WHEELDOWN_MOUSE);
}


int32_t I_EnterText(char *t, int32_t maxlength, int32_t flags)
{
    char ch;
    int32_t inputloc = Bstrlen(typebuf);

    while ((ch = KB_GetCh()) != 0)
    {
        if (ch == asc_BackSpace)
        {
            if (inputloc > 0)
            {
                inputloc--;
                *(t+inputloc) = 0;
            }
        }
        else
        {
            if (ch == asc_Enter)
            {
                I_AdvanceTriggerClear();
                return 1;
            }
            else if (ch == asc_Escape)
            {
                I_ReturnTriggerClear();
                return -1;
            }
            else if (ch >= 32 && inputloc < maxlength && ch < 127)
            {
                if (!(flags & INPUT_NUMERIC) || (ch >= '0' && ch <= '9'))
                {
                    // JBF 20040508: so we can have numeric only if we want
                    *(t+inputloc) = ch;
                    *(t+inputloc+1) = 0;
                    inputloc++;
                }
            }
        }
    }

    // All gamefuncs (and *only* _gamefuncs_) in I_ReturnTriggerClear() should be replicated here.
    CONTROL_ClearButton(gamefunc_Crouch);
    if (I_ReturnTrigger())
    {
        I_ReturnTriggerClear();
        return -1;
    }

    return 0;
}