minetest/src/client/inputhandler.h

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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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.
*/
#ifndef INPUT_HANDLER_H
#define INPUT_HANDLER_H
#include "irrlichttypes_extrabloated.h"
#include "joystick_controller.h"
class MyEventReceiver : public IEventReceiver
{
public:
// This is the one method that we have to implement
virtual bool OnEvent(const SEvent& event)
{
/*
React to nothing here if a menu is active
*/
if (noMenuActive() == false) {
#ifdef HAVE_TOUCHSCREENGUI
if (m_touchscreengui != 0) {
m_touchscreengui->Toggle(false);
}
#endif
return g_menumgr.preprocessEvent(event);
}
// Remember whether each key is down or up
if (event.EventType == irr::EET_KEY_INPUT_EVENT) {
const KeyPress &keyCode = event.KeyInput;
if (keysListenedFor[keyCode]) {
if (event.KeyInput.PressedDown) {
keyIsDown.set(keyCode);
keyWasDown.set(keyCode);
} else {
keyIsDown.unset(keyCode);
}
return true;
}
}
#ifdef HAVE_TOUCHSCREENGUI
// case of touchscreengui we have to handle different events
if ((m_touchscreengui != 0) &&
(event.EventType == irr::EET_TOUCH_INPUT_EVENT)) {
m_touchscreengui->translateEvent(event);
return true;
}
#endif
if (event.EventType == irr::EET_JOYSTICK_INPUT_EVENT) {
/* TODO add a check like:
if (event.JoystickEvent != joystick_we_listen_for)
return false;
*/
return joystick->handleEvent(event.JoystickEvent);
}
// handle mouse events
if (event.EventType == irr::EET_MOUSE_INPUT_EVENT) {
if (noMenuActive() == false) {
left_active = false;
middle_active = false;
right_active = false;
} else {
left_active = event.MouseInput.isLeftPressed();
middle_active = event.MouseInput.isMiddlePressed();
right_active = event.MouseInput.isRightPressed();
if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
leftclicked = true;
}
if (event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN) {
rightclicked = true;
}
if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP) {
leftreleased = true;
}
if (event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP) {
rightreleased = true;
}
if (event.MouseInput.Event == EMIE_MOUSE_WHEEL) {
mouse_wheel += event.MouseInput.Wheel;
}
}
} else if (event.EventType == irr::EET_LOG_TEXT_EVENT) {
static const LogLevel irr_loglev_conv[] = {
LL_VERBOSE, // ELL_DEBUG
LL_INFO, // ELL_INFORMATION
LL_WARNING, // ELL_WARNING
LL_ERROR, // ELL_ERROR
LL_NONE, // ELL_NONE
};
2015-07-08 17:53:02 +02:00
assert(event.LogEvent.Level < ARRLEN(irr_loglev_conv));
g_logger.log(irr_loglev_conv[event.LogEvent.Level],
std::string("Irrlicht: ") + (const char*) event.LogEvent.Text);
return true;
}
/* always return false in order to continue processing events */
return false;
}
bool IsKeyDown(const KeyPress &keyCode) const
{
return keyIsDown[keyCode];
}
// Checks whether a key was down and resets the state
bool WasKeyDown(const KeyPress &keyCode)
{
bool b = keyWasDown[keyCode];
if (b)
keyWasDown.unset(keyCode);
return b;
}
void listenForKey(const KeyPress &keyCode)
{
keysListenedFor.set(keyCode);
}
void dontListenForKeys()
{
keysListenedFor.clear();
}
s32 getMouseWheel()
{
s32 a = mouse_wheel;
mouse_wheel = 0;
return a;
}
void clearInput()
{
keyIsDown.clear();
keyWasDown.clear();
leftclicked = false;
rightclicked = false;
leftreleased = false;
rightreleased = false;
left_active = false;
middle_active = false;
right_active = false;
mouse_wheel = 0;
}
MyEventReceiver()
{
clearInput();
#ifdef HAVE_TOUCHSCREENGUI
m_touchscreengui = NULL;
#endif
}
bool leftclicked;
bool rightclicked;
bool leftreleased;
bool rightreleased;
bool left_active;
bool middle_active;
bool right_active;
s32 mouse_wheel;
JoystickController *joystick;
#ifdef HAVE_TOUCHSCREENGUI
TouchScreenGUI* m_touchscreengui;
#endif
private:
// The current state of keys
KeyList keyIsDown;
// Whether a key has been pressed or not
KeyList keyWasDown;
// List of keys we listen for
// TODO perhaps the type of this is not really
// performant as KeyList is designed for few but
// often changing keys, and keysListenedFor is expected
// to change seldomly but contain lots of keys.
KeyList keysListenedFor;
};
/*
Separated input handler
*/
class RealInputHandler : public InputHandler
{
public:
RealInputHandler(IrrlichtDevice *device, MyEventReceiver *receiver):
m_device(device),
m_receiver(receiver),
m_mousepos(0,0)
{
m_receiver->joystick = &joystick;
}
virtual bool isKeyDown(const KeyPress &keyCode)
{
return m_receiver->IsKeyDown(keyCode);
}
virtual bool wasKeyDown(const KeyPress &keyCode)
{
return m_receiver->WasKeyDown(keyCode);
}
virtual void listenForKey(const KeyPress &keyCode)
{
m_receiver->listenForKey(keyCode);
}
virtual void dontListenForKeys()
{
m_receiver->dontListenForKeys();
}
virtual v2s32 getMousePos()
{
if (m_device->getCursorControl()) {
return m_device->getCursorControl()->getPosition();
}
else {
return m_mousepos;
}
}
virtual void setMousePos(s32 x, s32 y)
{
if (m_device->getCursorControl()) {
m_device->getCursorControl()->setPosition(x, y);
}
else {
m_mousepos = v2s32(x,y);
}
}
virtual bool getLeftState()
{
return m_receiver->left_active;
}
virtual bool getRightState()
{
return m_receiver->right_active;
}
virtual bool getLeftClicked()
{
return m_receiver->leftclicked;
}
virtual bool getRightClicked()
{
return m_receiver->rightclicked;
}
virtual void resetLeftClicked()
{
m_receiver->leftclicked = false;
}
virtual void resetRightClicked()
{
m_receiver->rightclicked = false;
}
virtual bool getLeftReleased()
{
return m_receiver->leftreleased;
}
virtual bool getRightReleased()
{
return m_receiver->rightreleased;
}
virtual void resetLeftReleased()
{
m_receiver->leftreleased = false;
}
virtual void resetRightReleased()
{
m_receiver->rightreleased = false;
}
virtual s32 getMouseWheel()
{
return m_receiver->getMouseWheel();
}
void clear()
{
joystick.clear();
m_receiver->clearInput();
}
private:
IrrlichtDevice *m_device;
MyEventReceiver *m_receiver;
v2s32 m_mousepos;
};
class RandomInputHandler : public InputHandler
{
public:
RandomInputHandler()
{
leftdown = false;
rightdown = false;
leftclicked = false;
rightclicked = false;
leftreleased = false;
rightreleased = false;
keydown.clear();
}
virtual bool isKeyDown(const KeyPress &keyCode)
{
return keydown[keyCode];
}
virtual bool wasKeyDown(const KeyPress &keyCode)
{
return false;
}
virtual v2s32 getMousePos()
{
return mousepos;
}
virtual void setMousePos(s32 x, s32 y)
{
mousepos = v2s32(x, y);
}
virtual bool getLeftState()
{
return leftdown;
}
virtual bool getRightState()
{
return rightdown;
}
virtual bool getLeftClicked()
{
return leftclicked;
}
virtual bool getRightClicked()
{
return rightclicked;
}
virtual void resetLeftClicked()
{
leftclicked = false;
}
virtual void resetRightClicked()
{
rightclicked = false;
}
virtual bool getLeftReleased()
{
return leftreleased;
}
virtual bool getRightReleased()
{
return rightreleased;
}
virtual void resetLeftReleased()
{
leftreleased = false;
}
virtual void resetRightReleased()
{
rightreleased = false;
}
virtual s32 getMouseWheel()
{
return 0;
}
virtual void step(float dtime)
{
{
static float counter1 = 0;
counter1 -= dtime;
if (counter1 < 0.0) {
counter1 = 0.1 * Rand(1, 40);
keydown.toggle(getKeySetting("keymap_jump"));
}
}
{
static float counter1 = 0;
counter1 -= dtime;
if (counter1 < 0.0) {
counter1 = 0.1 * Rand(1, 40);
keydown.toggle(getKeySetting("keymap_special1"));
}
}
{
static float counter1 = 0;
counter1 -= dtime;
if (counter1 < 0.0) {
counter1 = 0.1 * Rand(1, 40);
keydown.toggle(getKeySetting("keymap_forward"));
}
}
{
static float counter1 = 0;
counter1 -= dtime;
if (counter1 < 0.0) {
counter1 = 0.1 * Rand(1, 40);
keydown.toggle(getKeySetting("keymap_left"));
}
}
{
static float counter1 = 0;
counter1 -= dtime;
if (counter1 < 0.0) {
counter1 = 0.1 * Rand(1, 20);
mousespeed = v2s32(Rand(-20, 20), Rand(-15, 20));
}
}
{
static float counter1 = 0;
counter1 -= dtime;
if (counter1 < 0.0) {
counter1 = 0.1 * Rand(1, 30);
leftdown = !leftdown;
if (leftdown)
leftclicked = true;
if (!leftdown)
leftreleased = true;
}
}
{
static float counter1 = 0;
counter1 -= dtime;
if (counter1 < 0.0) {
counter1 = 0.1 * Rand(1, 15);
rightdown = !rightdown;
if (rightdown)
rightclicked = true;
if (!rightdown)
rightreleased = true;
}
}
mousepos += mousespeed;
}
s32 Rand(s32 min, s32 max)
{
return (myrand()%(max-min+1))+min;
}
private:
KeyList keydown;
v2s32 mousepos;
v2s32 mousespeed;
bool leftdown;
bool rightdown;
bool leftclicked;
bool rightclicked;
bool leftreleased;
bool rightreleased;
};
#endif