terom@221: 
terom@221: #include "Input.hh"
terom@414: #include "../Error.hh"
terom@414: #include "../Config.hh"
terom@414: 
terom@414: #include <cassert>
terom@414: 
terom@414: namespace graphics
terom@414: {
terom@221: 
terom@233: InputKeymapEntry<PlayerInputBit> INPUT_PLAYER_KEYMAP[] = {
terom@319:     {   INPUT_AIM_UP,       INPUT_FLAG_UNLIMITED,   { -CL_KEY_ENTER,    CL_KEY_UP       } },
terom@319:     {   INPUT_AIM_DOWN,     INPUT_FLAG_UNLIMITED,   { -CL_KEY_ENTER,    CL_KEY_DOWN     } },
terom@319:     {   INPUT_MOVE_LEFT,    INPUT_FLAG_UNLIMITED,   { -CL_KEY_ENTER,    CL_KEY_LEFT     } },
terom@319:     {   INPUT_MOVE_RIGHT,   INPUT_FLAG_UNLIMITED,   { -CL_KEY_ENTER,    CL_KEY_RIGHT    } },
terom@319:     {   INPUT_JUMP,         INPUT_FLAG_SLOWREPEAT,  { -CL_KEY_ENTER,    CL_KEY_RSHIFT   } },
terom@311:     {   INPUT_DIG,          INPUT_FLAG_NOREPEAT,    { CL_KEY_LEFT,      CL_KEY_RIGHT    } },
terom@319:     {   INPUT_SHOOT,        INPUT_FLAG_UNLIMITED,   { CL_KEY_RCONTROL,  0               } },
terom@319:     {   INPUT_CHANGE_PREV,  INPUT_FLAG_SLOWREPEAT,  { CL_KEY_ENTER,     CL_KEY_LEFT     } },
terom@319:     {   INPUT_CHANGE_NEXT,  INPUT_FLAG_SLOWREPEAT,  { CL_KEY_ENTER,     CL_KEY_RIGHT    } },
terom@311:     {   INPUT_ROPE,         INPUT_FLAG_NOREPEAT,    { CL_KEY_ENTER,     CL_KEY_RSHIFT   } },
terom@319:     {   INPUT_UNROPE,       INPUT_FLAG_SLOWREPEAT,  { -CL_KEY_ENTER,    CL_KEY_RSHIFT   } },
terom@319:     {   INPUT_ROPE_UP,      INPUT_FLAG_UNLIMITED,   { CL_KEY_ENTER,     CL_KEY_UP       } },
terom@319:     {   INPUT_ROPE_DOWN,    INPUT_FLAG_UNLIMITED,   { CL_KEY_ENTER,     CL_KEY_DOWN     } },
terom@311:     {   INPUT_SUICIDE,      INPUT_FLAG_NOREPEAT,    { CL_KEY_LCONTROL,  CL_KEY_K        } },
terom@311:     {   INPUT_NONE,         0,                      { 0,                0               } }
terom@233: };
terom@233: 
terom@233: InputKeymapEntry<GuiInputBit> INPUT_GUI_KEYMAP[] = {
terom@389:     {   GUI_INPUT_QUIT,                 0,                  { CL_KEY_ESCAPE,    0               } },
terom@389:     {   GUI_INPUT_DISPLAY_WEAPON,       0,                  { CL_KEY_ENTER,     0               } },
terom@389:     {   GUI_INPUT_DEBUG_PLAYER,         0,                  { CL_KEY_I,         0               } },
terom@389:     {   GUI_INPUT_TOGGLE_FULLSCREEN,    INPUT_FLAG_NOREPEAT,{ CL_KEY_LCONTROL,  CL_KEY_F        } },
terom@389:     {   GUI_INPUT_NONE,                 0,                  { 0,                0,              } }
terom@233: };
terom@230: 
terom@311: /*
terom@311:  * InputKeyRepeatEntry
terom@311:  */
terom@311: template <typename BitEnumType> 
terom@311: InputKeyRepeatEntry<BitEnumType>::InputKeyRepeatEntry (BitEnumType value, TimeMS expire) : 
terom@311:     value(value), expire(expire) 
terom@235: {
terom@235: 
terom@235: }
terom@311: 
terom@311: template <typename BitEnumType> 
terom@311: bool InputKeyRepeatEntry<BitEnumType>::operator< (const struct InputKeyRepeatEntry &other) {
terom@311:     return other.expire > expire;
terom@311: }
terom@311: 
terom@311: template <typename BitEnumType> 
terom@311: bool InputKeyRepeatEntry<BitEnumType>::updateExpired (TimeMS dt) {
terom@319:     if (expire == 0)
terom@319:         return false;
terom@319: 
terom@311:     expire -= dt;
terom@311: 
terom@311:     return (expire <= 0);
terom@311: }
terom@311: 
terom@311: /*
terom@311:  * InputKeyRepeatQueue
terom@311:  */
terom@311: template <typename BitEnumType> 
terom@311: InputKeyRepeatQueue<BitEnumType>::InputKeyRepeatQueue (TimeMS expire) :
terom@311:     expire(expire)
terom@311: {
terom@311: 
terom@311: }
terom@311: 
terom@311: template <typename BitEnumType> 
terom@319: void InputKeyRepeatQueue<BitEnumType>::push (BitEnumType bit, bool expire) {
terom@319:     list.push_back(InputKeyRepeatEntry<BitEnumType>(bit, expire ? this->expire : 0));
terom@319: }
terom@319: 
terom@319: template <typename BitEnumType> 
terom@319: void InputKeyRepeatQueue<BitEnumType>::forget (BitEnumType bit) {
terom@319:     // go through the list, looking for it
terom@319:     for (list_iterator it = list.begin(); it != list.end(); it++) {
terom@319:         if (it->value == bit) {
terom@319:             // found, erase it and return
terom@319:             list.erase(it);
terom@319:             
terom@319:             return;
terom@319:         }
terom@319:     }
terom@311: }
terom@311: 
terom@311: template <typename BitEnumType> 
terom@311: bool InputKeyRepeatQueue<BitEnumType>::find (BitEnumType bit) {
terom@311:     for (list_iterator it = list.begin(); it != list.end(); it++) {
terom@311:         if (it->value == bit)
terom@311:             return true;
terom@311:     }
terom@311: 
terom@311:     return false;
terom@311: }
terom@311: 
terom@311: template <typename BitEnumType> 
terom@311: void InputKeyRepeatQueue<BitEnumType>::update (TimeMS dt) {
terom@311:     list_iterator it = list.begin();
terom@235:     
terom@311:     // go through each entry, updateExpired and remove if expired
terom@311:     while (it != list.end()) {
terom@311:         if (it->updateExpired(dt))
terom@311:             it = list.erase(it);
terom@311:         else
terom@311:             it++;
terom@311:     }
terom@311: }
terom@311: 
terom@414: template <typename BitEnumType> 
terom@414: void InputKeyRepeatQueue<BitEnumType>::clear (void) {
terom@414:     // just clear our list of events
terom@414:     list.clear();
terom@414: }
terom@414: 
terom@311: /*
terom@311:  * InputHandler
terom@311:  */
terom@311: template <typename BitEnumType, typename BitMaskType> 
terom@311: InputHandler<BitEnumType, BitMaskType>::InputHandler (CL_InputDevice &keyboard, InputKeymapEntry<BitEnumType> *keymap, TimeMS keyrepeat_expire) :
terom@311:     keyboard(keyboard), 
terom@311:     keymap(keymap), 
terom@311:     value(0), 
terom@319:     prev_value(0),
terom@311:     dt(0),
terom@414:     queue(keyrepeat_expire),
terom@414:     _enabled(false)
terom@311: {
terom@311: 
terom@311: }
terom@311: 
terom@311: template <typename BitEnumType, typename BitMaskType> 
terom@311: bool InputHandler<BitEnumType, BitMaskType>::checkKeycode (int keycode) {
terom@230:     if (keycode > 0)
terom@230:         return keyboard.get_keycode(keycode);
terom@230: 
terom@230:     else if (keycode < 0)
terom@230:         return !keyboard.get_keycode(-keycode);
terom@230: 
terom@230:     else // == 0
terom@230:         return true;
terom@230: }
terom@414:  
terom@311: template <typename BitEnumType, typename BitMaskType> 
terom@311: void InputHandler<BitEnumType, BitMaskType>::update (TimeMS dt) {
terom@414:     // ignore if not enabled
terom@414:     if (!_enabled)
terom@414:         return;
terom@414: 
terom@319:     // all bits that are held down, even those ignored
terom@416:     BitMaskType raw_value = 0, this_value = 0;
terom@319: 
terom@311:     // update the key-repeat queue
terom@311:     queue.update(dt);
terom@311: 
terom@311:     // then go through the keymap
terom@311:     for (InputKeymapEntry<BitEnumType> *e = keymap; e->input != 0; e++) {
terom@311:         // check if we've got the correct keycodes
terom@311:         if (checkKeycode(e->keycodes[0]) && checkKeycode(e->keycodes[1])) {
terom@319:             // set raw_value
terom@319:             raw_value |= e->input;
terom@319: 
terom@319:             if (e->flags & INPUT_FLAG_SLOWREPEAT) {
terom@319:                 // repeat, but slowly
terom@319:                 if (!(prev_value & e->input)) {
terom@319:                     // we've released the key earlier, move it to the back of the queue
terom@319:                     queue.forget(e->input);
terom@319:                     queue.push(e->input);
terom@319: 
terom@319:                 } else if (queue.find(e->input)) {
terom@319:                     // it's still in the queue, so ignore, but set it in ignore_value
terom@311:                     continue;
terom@319: 
terom@319:                 } else {
terom@319:                     // ok, but add it to the queue
terom@311:                     queue.push(e->input);
terom@319:                 }
terom@319: 
terom@319:             } else if (e->flags & INPUT_FLAG_NOREPEAT) {
terom@319:                 // do not repeat at all
terom@319:                 if (prev_value & e->input) {
terom@319:                     // ignore repeats
terom@319:                     continue;
terom@319:                 }
terom@311:             }
terom@311: 
terom@416:             // set bit in value mask
terom@416:             this_value |= e->input;
terom@311:         }
terom@311:     }
terom@311: 
terom@416:     // signal unless value was and remains zero
terom@416:     if (this_value || prev_value) {
terom@416:         // trigger signal
terom@416:         _sig_input(this_value, dt);
terom@416:     } 
terom@416: 
terom@319:     // update prev_value, also adding ignored values
terom@319:     prev_value = raw_value;
terom@319: 
terom@416:     // update our collective value + dt for use with readValue
terom@416:     // XXX: remove this functionality?
terom@416:     value |= this_value;
terom@311:     this->dt += dt;
terom@311: }
terom@414:  
terom@414: template <typename BitEnumType, typename BitMaskType> 
terom@414: void InputHandler<BitEnumType, BitMaskType>::readValue (BitMaskType &mask, TimeMS &dt) {
terom@414:     // throw exception if disabled
terom@414:     if (!_enabled)
terom@414:         throw Error("InputHandler is disabled");
terom@311: 
terom@414:     // copy to args
terom@414:     mask = this->value;
terom@414:     dt = this->dt;
terom@414: 
terom@414:     this->value = 0;
terom@414:     this->dt = 0;
terom@414: }
terom@414:        
terom@311: /**
terom@311:  * Input
terom@311:  */
terom@311: Input::Input (CL_InputDevice &keyboard) :
terom@311:     keyboard(keyboard),
terom@311:     update_timer(INPUT_POLL_INTERVAL),
terom@311:     player(keyboard, INPUT_PLAYER_KEYMAP, INPUT_REPEAT_DELAY),
terom@311:     gui(keyboard, INPUT_GUI_KEYMAP, INPUT_REPEAT_DELAY)
terom@311: {
terom@311:     // connect timer 
terom@311:     slots.connect(update_timer.sig_tick(), &player, &InputHandler<PlayerInputBit, PlayerInput>::update);
terom@311:     slots.connect(update_timer.sig_tick(), &gui, &InputHandler<GuiInputBit, GuiInput>::update);
terom@311: 
terom@311:     // enable timer
terom@311:     update_timer.start();
terom@311: }
terom@311: 
terom@311: void Input::readPlayerInput (PlayerInput &mask, TimeMS &dt) {
terom@311:     player.readValue(mask, dt);
terom@233: }
terom@233: 
terom@235: GuiInput Input::readGuiInput (void) {
terom@311:     GuiInput mask;
terom@311:     TimeMS dt;
terom@311: 
terom@311:     gui.readValue(mask, dt);
terom@311: 
terom@311:     return mask;
terom@233: }
terom@233: 
terom@414: }