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source: code/branches/input/src/core/InputHandler.cc @ 1323

Last change on this file since 1323 was 1323, checked in by rgrieder, 16 years ago

Basically, almost everything about the input management is written, but I wasn't yet able to test things.
File size: 26.3 KB
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1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Reto Grieder
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30 @file
31 @brief Implementation of the different input handlers.
32 */
33
34#include "InputHandler.h"
35#include "util/Convert.h"
36#include "util/SubString.h"
37#include "util/String.h"
38#include "Debug.h"
39#include "ConfigValueIncludes.h"
40#include "CoreIncludes.h"
41#include "CommandExecutor.h"
42#include "Executor.h"
43
44namespace orxonox
45{
46  // ###############################
47  // ######     KeyBinder     ######
48  // ###############################
49
50  /**
51    @brief Constructor that does as little as necessary.
52  */
53  KeyBinder::KeyBinder()
54  {
55    RegisterObject(KeyBinder);
56    clearBindings(true);
57
58    // keys
59    std::string keyNames[] = {
60      "UNASSIGNED",
61      "ESCAPE",
62      "1",
63      "2",
64      "3",
65      "4",
66      "5",
67      "6",
68      "7",
69      "8",
70      "9",
71      "0",
72      "MINUS",
73      "EQUALS",
74      "BACK",
75      "TAB",
76      "Q",
77      "W",
78      "E",
79      "R",
80      "T",
81      "Y",
82      "U",
83      "I",
84      "O",
85      "P",
86      "LBRACKET",
87      "RBRACKET",
88      "RETURN",
89      "LCONTROL",
90      "A",
91      "S",
92      "D",
93      "F",
94      "G",
95      "H",
96      "J",
97      "K",
98      "L",
99      "SEMICOLON",
100      "APOSTROPHE",
101      "GRAVE",
102      "LSHIFT",
103      "BACKSLASH",
104      "Z",
105      "X",
106      "C",
107      "V",
108      "B",
109      "N",
110      "M",
111      "COMMA",
112      "PERIOD",
113      "SLASH",
114      "RSHIFT",
115      "MULTIPLY",
116      "LMENU",
117      "SPACE",
118      "CAPITAL",
119      "F1",
120      "F2",
121      "F3",
122      "F4",
123      "F5",
124      "F6",
125      "F7",
126      "F8",
127      "F9",
128      "F10",
129      "NUMLOCK",
130      "SCROLL",
131      "NUMPAD7",
132      "NUMPAD8",
133      "NUMPAD9",
134      "SUBTRACT",
135      "NUMPAD4",
136      "NUMPAD5",
137      "NUMPAD6",
138      "ADD",
139      "NUMPAD1",
140      "NUMPAD2",
141      "NUMPAD3",
142      "NUMPAD0",
143      "DECIMAL",
144      "","",
145      "OEM_102",
146      "F11",
147      "F12",
148      "","","","","","","","","","","",
149      "F13",
150      "F14",
151      "F15",
152      "","","","","","","","","","",
153      "KANA",
154      "","",
155      "ABNT_C1",
156      "","","","","",
157      "CONVERT",
158      "",
159      "NOCONVERT",
160      "",
161      "YEN",
162      "ABNT_C2",
163      "","","","","","","","","","","","","","",
164      "NUMPADEQUALS",
165      "","",
166      "PREVTRACK",
167      "AT",
168      "COLON",
169      "UNDERLINE",
170      "KANJI",
171      "STOP",
172      "AX",
173      "UNLABELED",
174      "NEXTTRACK",
175      "","",
176      "NUMPADENTER",
177      "RCONTROL",
178      "","",
179      "MUTE",
180      "CALCULATOR",
181      "PLAYPAUSE",
182      "",
183      "MEDIASTOP",
184      "","","","","","","","","",
185      "VOLUMEDOWN",
186      "",
187      "VOLUMEUP",
188      "",
189      "WEBHOME",
190      "NUMPADCOMMA",
191      "",
192      "DIVIDE",
193      "",
194      "SYSRQ",
195      "RMENU",
196      "","","","","","","","","","","","",
197      "PAUSE",
198      "",
199      "HOME",
200      "UP",
201      "PGUP",
202      "",
203      "LEFT",
204      "",
205      "RIGHT",
206      "",
207      "END",
208      "DOWN",
209      "PGDOWN",
210      "INSERT",
211      "DELETE",
212      "","","","","","","",
213      "LWIN",
214      "RWIN",
215      "APPS",
216      "POWER",
217      "SLEEP",
218      "","","",
219      "WAKE",
220      "",
221      "WEBSEARCH",
222      "WEBFAVORITES",
223      "WEBREFRESH",
224      "WEBSTOP",
225      "WEBFORWARD",
226      "WEBBACK",
227      "MYCOMPUTER",
228      "MAIL",
229      "MEDIASELECT"
230    };
231    for (int i = 0; i < nKeys_s; i++)
232      namesKeys_[i] = "Key" + keyNames[i];
233
234    // mouse buttons
235    std::string mouseButtonNames[] = {
236      "MouseLeft", "MouseRight", "MouseMiddle",
237      "MouseButton3", "MouseButton4", "MouseButton5",
238      "MouseButton6", "MouseButton7" };
239    for (int i = 0; i < nMouseButtons_s; i++)
240      namesMouseButtons_[i] = mouseButtonNames[i];
241
242    // joy stick buttons
243    for (int i = 0; i < 32; i++)
244      namesJoyStickButtons_[i] = "JoyButton" + getConvertedValue<int, std::string>(i);
245    for (int i = 32; i < nJoyStickButtons_s; i += 4)
246    {
247                  namesJoyStickButtons_[i + 0] = "JoyPOV" + getConvertedValue<int, std::string>((i - 32)/4 + 1) + "North";
248                  namesJoyStickButtons_[i + 1] = "JoyPOV" + getConvertedValue<int, std::string>((i - 32)/4 + 1) + "South";
249                  namesJoyStickButtons_[i + 2] = "JoyPOV" + getConvertedValue<int, std::string>((i - 32)/4 + 1) + "East";
250                  namesJoyStickButtons_[i + 3] = "JoyPOV" + getConvertedValue<int, std::string>((i - 32)/4 + 1) + "West";
251    }
252
253    // half axes
254    std::string rawNames[nHalfAxes_s/2];
255    rawNames[0] = "MouseX";
256    rawNames[1] = "MouseY";
257    rawNames[2] = "MouseWheel1";
258    rawNames[3] = "MouseWheel2";
259    for (unsigned int i = 4; i < nHalfAxes_s/2; i++)
260      rawNames[i] = "JoyAxis" + getConvertedValue<int, std::string>(i - 3);
261    for (unsigned int i = 0; i < nHalfAxes_s/2; i++)
262    {
263      namesHalfAxes_[i * 2 + 0] = rawNames[i] + "Pos";
264      namesHalfAxes_[i * 2 + 1] = rawNames[i] + "Neg";
265    }
266  }
267
268  /**
269    @brief Destructor
270  */
271  KeyBinder::~KeyBinder()
272  {
273    // almost no destructors required because most of the arrays are static.
274    clearBindings(); // does some destruction work
275  }
276
277  /**
278    @brief Loader for the key bindings, managed by config values.
279  */
280  void KeyBinder::setConfigValues()
281  {
282    bool success = true;
283    // keys
284    success |= readBindings(namesKeys_, bindingStringsKeys_, bindingsKeys_, nKeys_s);
285    // mouse buttons
286    success |= readBindings(namesMouseButtons_, bindingStringsMouseButtons_, bindingsMouseButtons_, nMouseButtons_s);
287    // joy stick buttons
288    success |= readBindings(namesJoyStickButtons_, bindingStringsJoyStickButtons_,
289        bindingsJoyStickButtons_, nJoyStickButtons_s);
290    // half axes
291    success |= readBindings(namesHalfAxes_, bindingStringsHalfAxes_, bindingsHalfAxes_, nHalfAxes_s);
292   
293    // TODO: what happens if parsing didn't succeed in all parts? nothing?
294  }
295
296  bool KeyBinder::readBindings(std::string* names, std::string* bindingStrings,
297      KeyBindingBundle* bindings, unsigned int size)
298  {
299    for (unsigned int i = 0; i < size; i++)
300    {
301      // config value stuff
302      ConfigValueContainer* cont = getIdentifier()->getConfigValueContainer(names[i]);
303      if (!cont)
304      {
305        cont = new ConfigValueContainer(CFT_Keybindings, getIdentifier(), names[i], "");
306        getIdentifier()->addConfigValueContainer(names[i], cont);
307      }
308      std::string old = bindingStrings[i];
309      cont->getValue(&bindingStrings[i]);
310
311      // keybinder stuff
312      if (old != bindingStrings[i])
313      {
314        // binding has changed
315        if (bindingStrings[i] == "")
316        {
317          // empty binding, occurs at least the first time since init value is " "
318          bindings[i].OnPress.clear();
319          bindings[i].OnRelease.clear();
320          bindings[i].OnHold.clear();
321        }
322        else
323        {
324          // actually parse the command(s)
325          SubString commands(bindingStrings[i], "|", SubString::WhiteSpaces, false,
326              '\\', false, '"', false, '(', ')', false, '\0');
327          bindings[i].OnHold.nCommands = 0;
328          bindings[i].OnHold.commands = new SimpleCommand[64];
329          bindings[i].OnPress.nCommands = 0;
330          bindings[i].OnPress.commands = new SimpleCommand[64];
331          bindings[i].OnRelease.nCommands = 0;
332          bindings[i].OnRelease.commands = new SimpleCommand[64];
333          for (unsigned int iCommand = 0; iCommand < commands.size(); iCommand++)
334          {
335            if (commands[iCommand] != "")
336            {
337              SubString tokens(commands[iCommand], " ", SubString::WhiteSpaces, false,
338                  '\\', false, '"', false, '(', ')', false, '\0');
339             
340              unsigned int iToken = 0;
341
342              // first argument can be OnPress, OnHold OnRelease or nothing
343              KeybindMode::Enum mode = KeybindMode::None;
344              if (getLowercase(tokens[iToken]) == "onpress")
345                mode = KeybindMode::OnPress,   iToken++;
346              if (getLowercase(tokens[iToken]) == "onrelease")
347                mode = KeybindMode::OnRelease, iToken++;
348              if (getLowercase(tokens[iToken]) == "onhold")
349                mode = KeybindMode::OnHold,    iToken++;
350
351              if (iToken == tokens.size())
352                continue;
353
354              SimpleCommand* cmd = new SimpleCommand();
355
356              // second argument can be the amplitude for the case it as an axis command
357              // default amplitude is 1.0f
358              if (getLowercase(tokens[iToken]) == "axisamp")
359              {
360                iToken++;
361                float value;
362                if (iToken == tokens.size() || !convertValue(&value, tokens[iToken]))
363                {
364                  CCOUT(2) << "Error while parsing key binding " << names[i]
365                      << ". Numeric expression expected afer 'AxisAmp', switching to default value" << std::endl;
366                  if (iToken == tokens.size())
367                  {
368                    delete cmd;
369                    continue;
370                  }
371                  cmd->axisModifier = 1.0f;
372                }
373                else
374                  cmd->axisModifier = value;
375                iToken++;
376              }
377              else
378                cmd->axisModifier = 1.0f;
379
380              // no more arguments expected except for the actual command
381              if (iToken == tokens.size())
382              { // no command given
383                delete cmd;
384                continue;
385              }
386              while (iToken != tokens.size())
387                cmd->commandStr += tokens[iToken++] + " ";
388
389              // check whether we exceed 64 commands...
390              if (bindings[i].OnHold.nCommands == 64 || bindings[i].OnPress.nCommands == 64
391                  || bindings[i].OnRelease.nCommands == 64)
392              {
393                CCOUT(2) << "Error while parsing key binding " << names[i]
394                    << ". You shouldn't assign more than 64 key bindings to one key "
395                    << "just to test the parser" << std::endl;
396              }
397
398              // evaluate the command
399              cmd->axisCommand = 0;
400              CommandEvaluation& eval = CommandExecutor::evaluate(cmd->commandStr);
401              // TOOD: check for axis command
402              if (false)
403              {
404                cmd->axisCommand->commandStr = cmd->commandStr;
405                cmd->commandStr = "";
406                cmd->axisCommand->evaluation = eval;
407                // add command to the buffer if not yet existing
408                for (unsigned int iAxisCmd = 0; iAxisCmd < axisCommands_.size(); iAxisCmd++)
409                {
410                  if (getLowercase(axisCommands_[iAxisCmd]->commandStr) == getLowercase(cmd->commandStr))
411                  {
412                    // already in list
413                    cmd->axisCommand = axisCommands_[iAxisCmd];
414                    break;
415                  }
416                }
417                if (cmd->axisCommand == 0)
418                {
419                  cmd->axisCommand = new AxisCommand();
420                  axisCommands_.push_back(cmd->axisCommand);
421                }
422                // TODO: check for relative/absolute command
423                cmd->axisCommand->bRelative = false;
424
425                // axis commands are always OnHold
426                *(bindings[i].OnHold.commands + bindings[i].OnHold.nCommands++) = *cmd;
427              }
428              else
429              {
430                cmd->evaluation = eval;
431
432                // TODO: determine whether the command is OnHold, OnPress or OnRelease
433                switch (mode)
434                {
435                case KeybindMode::None:
436                  *(bindings[i].OnPress.commands + bindings[i].OnPress.nCommands++) = *cmd;
437                  break;
438                case KeybindMode::OnPress:
439                  *(bindings[i].OnPress.commands + bindings[i].OnPress.nCommands++) = *cmd;
440                  break;
441                case KeybindMode::OnHold:
442                  *(bindings[i].OnHold.commands + bindings[i].OnHold.nCommands++) = *cmd;
443                  break;
444                case KeybindMode::OnRelease:
445                  *(bindings[i].OnRelease.commands + bindings[i].OnRelease.nCommands++) = *cmd;
446                  break;                     
447                }
448              }
449            }
450          }
451
452          // redimension arrays with simple commands
453          SimpleCommand* sCmd = bindings[i].OnHold.commands;
454          if (bindings[i].OnHold.nCommands)
455          {
456            bindings[i].OnHold.commands = new SimpleCommand[bindings[i].OnHold.nCommands];
457            for (unsigned int iCmd = 0; iCmd < bindings[i].OnHold.nCommands; iCmd++)
458              bindings[i].OnHold.commands[iCmd] = sCmd[iCmd];
459          }
460          else
461            bindings[i].OnHold.commands = 0;
462          delete[] sCmd;
463
464          sCmd = bindings[i].OnPress.commands;
465          if (bindings[i].OnPress.nCommands)
466          {
467            bindings[i].OnPress.commands = new SimpleCommand[bindings[i].OnPress.nCommands];
468            for (unsigned int iCmd = 0; iCmd < bindings[i].OnPress.nCommands; iCmd++)
469              bindings[i].OnPress.commands[iCmd] = sCmd[iCmd];
470          }
471          else
472            bindings[i].OnPress.commands = 0;
473          delete[] sCmd;
474
475          sCmd = bindings[i].OnRelease.commands;
476          if (bindings[i].OnRelease.nCommands)
477          {
478            bindings[i].OnRelease.commands = new SimpleCommand[bindings[i].OnRelease.nCommands];
479            for (unsigned int iCmd = 0; iCmd < bindings[i].OnRelease.nCommands; iCmd++)
480              bindings[i].OnRelease.commands[iCmd] = sCmd[iCmd];
481          }
482          else
483            bindings[i].OnRelease.commands = 0;
484          delete[] sCmd;
485        }
486      }
487    }
488    return true;
489  }
490
491  /**
492    @brief Overwrites all bindings with ""
493  */
494  void KeyBinder::clearBindings(bool bInit)
495  {
496    for (int i = 0; i < nKeys_s; i++)
497    {
498      clearBundle(bindingsKeys_[i], bInit);
499      bindingStringsKeys_[i] = " ";
500    }
501    for (int i = 0; i < nMouseButtons_s; i++)
502    {
503      clearBundle(bindingsMouseButtons_[i], bInit);
504      bindingStringsMouseButtons_[i] = " ";
505    }
506    for (int i = 0; i < nJoyStickButtons_s; i++)
507    {
508      clearBundle(bindingsJoyStickButtons_[i], bInit);
509      bindingStringsJoyStickButtons_[i] = " ";
510    }
511    for (int i = 0; i < nHalfAxes_s; i++)
512    {
513      clearBundle(bindingsHalfAxes_[i], bInit);
514      bindingStringsHalfAxes_[i] = " ";
515    }
516    for (unsigned int i = 0; i < axisCommands_.size(); i++)
517      delete axisCommands_[i];
518    axisCommands_.clear();
519  }
520
521  void KeyBinder::clearBundle(KeyBindingBundle& bundle, bool bInit)
522  {
523    if (!bInit)
524    {
525      if (bundle.OnHold.nCommands)
526        delete[] bundle.OnHold.commands;
527      if (bundle.OnPress.nCommands)
528        delete[] bundle.OnPress.commands;
529      if (bundle.OnRelease.nCommands)
530        delete[] bundle.OnRelease.commands;
531    }
532    bundle.OnPress.nCommands = 0;
533    bundle.OnHold.nCommands = 0;
534    bundle.OnRelease.nCommands = 0;
535  }
536
537  /**
538    @brief Loads the key and button bindings.
539    @return True if loading succeeded.
540  */
541  bool KeyBinder::loadBindings()
542  {
543    COUT(3) << "KeyBinder: Loading key bindings..." << std::endl;
544
545    // clear half axes
546    for (unsigned int i = 0; i < nHalfAxes_s; i++)
547    {
548      halfAxes_[i].hasChanged = false;
549      halfAxes_[i].abs = 0.0f;
550      halfAxes_[i].rel = 0.0f;
551      halfAxes_[i].wasDown = false;
552      halfAxes_[i].threshold = 0.01f;
553    }
554
555    ConfigFileManager::getSingleton()->setFile(CFT_Keybindings, "keybindings.ini");
556    clearBindings();
557    setConfigValues();
558
559    COUT(3) << "KeyBinder: Loading key bindings done." << std::endl;
560    return true;
561  }
562
563  void KeyBinder::tick(float dt)
564  {
565    // we have to process all the analog input since there is e.g. no 'mouseDoesntMove' event.
566    for (unsigned int i = 0; i < nHalfAxes_s; i++)
567    {
568      if (!halfAxes_[i].hasChanged)
569      {
570        if (!halfAxes_[i].wasDown && halfAxes_[i].abs > halfAxes_[i].threshold)
571        {
572          halfAxes_[i].wasDown = true;
573          if (bindingsHalfAxes_[i].OnPress.nCommands)
574            executeBinding(bindingsHalfAxes_[i].OnPress, halfAxes_[i].rel, halfAxes_[i].abs);
575        }
576        else if (halfAxes_[i].wasDown && halfAxes_[i].abs < halfAxes_[i].threshold)
577        {
578          halfAxes_[i].wasDown = false;
579          if (bindingsHalfAxes_[i].OnRelease.nCommands)
580            executeBinding(bindingsHalfAxes_[i].OnRelease, halfAxes_[i].rel, halfAxes_[i].abs);
581        }
582        if (halfAxes_[i].wasDown)
583        {
584          executeBinding(bindingsHalfAxes_[i].OnHold, halfAxes_[i].rel, halfAxes_[i].abs);
585        }
586        halfAxes_[i].hasChanged = false;
587      }
588    }
589
590    // execute all buffered bindings (addional parameter)
591    for (unsigned int i = 0; i < axisCommands_.size(); i++)
592    {
593      if (axisCommands_[i]->nValuesAdded > 0)
594      {
595        axisCommands_[i]->evaluation.setEvaluatedParameter(0, axisCommands_[i]->value);
596        // reset
597        axisCommands_[i]->nValuesAdded = 0;
598        axisCommands_[i]->value = 0.0f;
599      }
600    }
601  }
602
603  bool KeyBinder::executeBinding(KeyBinding& binding, float axisRel, float axisAbs)
604  {
605    // execute all the parsed commands in the string
606    for (unsigned int iCommand = 0; iCommand < binding.nCommands; iCommand++)
607    {
608      SimpleCommand& command = binding.commands[iCommand];
609      if (command.axisCommand)
610      {
611        AxisCommand& axisCommand = *command.axisCommand;
612        // command has an additional parameter
613        if (command.axisCommand->bRelative)
614        {
615          // we have to calculate a relative movement.
616          // amplitude says how much one keystroke is
617          axisCommand.value += command.axisModifier * axisRel;
618        }
619        else
620        {
621          // we have to calculate absolute position of the axis.
622          // for a key this simply is 1, but multiplied by a user defined factor
623          // since there might be another axis that is affected, we have to wait and
624          // store the result in a temporary place
625          axisCommand.value =
626              (axisCommand.value * (axisCommand.nValuesAdded++) + command.axisModifier * axisAbs)
627              / axisCommand.nValuesAdded;
628        }
629      }
630      else
631      {
632        // simple command, just execute directly
633        // TODO: calculate whether this a Press, Release or Hold event
634        CommandExecutor::execute(command.evaluation);
635      }
636    }
637    return true;
638  }
639
640
641  /**
642    @brief Event handler for the keyPressed Event.
643    @param e Event information
644  */
645  bool KeyBinder::keyPressed(const KeyEvent& evt)
646  {
647    // find the appropriate key binding
648    executeBinding(bindingsKeys_[int(evt.key)].OnPress, 1.0, 1.0);
649
650    return true;
651  }
652
653  /**
654    @brief Event handler for the keyReleased Event.
655    @param e Event information
656  */
657  bool KeyBinder::keyReleased(const KeyEvent& evt)
658  {
659    // find the appropriate key binding
660    executeBinding(bindingsKeys_[int(evt.key)].OnRelease, 1.0, 1.0);
661
662    return true;
663  }
664
665  /**
666    @brief Event handler for the keyHeld Event.
667    @param e Mouse state information
668  */
669  bool KeyBinder::keyHeld(const KeyEvent& evt)
670  {
671    // find the appropriate key binding
672    executeBinding(bindingsKeys_[int(evt.key)].OnHold, 1.0, 1.0);
673
674    return true;
675  }
676
677  /**
678    @brief Event handler for the mouseMoved Event.
679    @param e Mouse state information
680  */
681  bool KeyBinder::mouseMoved(IntVector2 abs, IntVector2 rel, IntVector2 clippingSize)
682  {
683    halfAxes_[0].hasChanged = true;
684    halfAxes_[1].hasChanged = true;
685    halfAxes_[2].hasChanged = true;
686    halfAxes_[3].hasChanged = true;
687    // translate absolute mouse position into joystick like behaviour
688    if (clippingSize.x > clippingSize.y)
689    {
690      int margin = (clippingSize.x - clippingSize.y) / 2;
691      if (abs.x - margin > clippingSize.y)
692      {
693        halfAxes_[0].abs = 1.0f;
694        halfAxes_[1].abs = 0.0f;
695      }
696      else if (abs.x < margin)
697      {
698        halfAxes_[0].abs = 0.0f;
699        halfAxes_[1].abs = 1.0f;
700      }
701      else
702      {
703        float temp = ((float)abs.x) / clippingSize.y * 2 - 1;
704        if (temp > 0)
705        {
706          halfAxes_[0].abs = temp;
707          halfAxes_[1].abs = 0.0f;
708        }
709        else
710        {
711          halfAxes_[0].abs = 0.0f;
712          halfAxes_[1].abs = -temp;
713        }
714      }
715
716      float temp = -((float)abs.y) / clippingSize.y * 2 + 1;
717      if (temp > 0)
718      {
719        halfAxes_[2].abs = temp;
720        halfAxes_[3].abs = 0.0;
721      }
722      else
723      {
724        halfAxes_[2].abs = 0.0;
725        halfAxes_[3].abs = -temp;
726      }
727    }
728    else
729    {
730      float temp = ((float)abs.x) / clippingSize.x * 2 - 1;
731      if (temp > 0)
732      {
733        halfAxes_[0].abs = temp;
734        halfAxes_[1].abs = 0.0;
735      }
736      else
737      {
738        halfAxes_[0].abs = 0.0;
739        halfAxes_[1].abs = -temp;
740      }
741
742      int margin = (clippingSize.y - clippingSize.x) / 2;
743      if (abs.y - margin > clippingSize.x)
744      {
745        halfAxes_[2].abs = 0.0;
746        halfAxes_[3].abs = 1.0;
747      }
748      else if (abs.y < margin)
749      {
750        halfAxes_[2].abs = 1.0;
751        halfAxes_[3].abs = 0.0;
752      }
753      else
754      {
755        float temp = -((float)abs.y) / clippingSize.x * 2 + 1;
756        if (temp > 0)
757        {
758          halfAxes_[2].abs = temp;
759          halfAxes_[3].abs = 0.0;
760        }
761        else
762        {
763          halfAxes_[2].abs = 0.0;
764          halfAxes_[3].abs = -temp;
765        }
766      }
767    }
768   
769    // relative movements
770    if (rel.x > 0)
771    {
772      halfAxes_[0].rel = rel.x;
773      halfAxes_[1].rel = 0.0;
774    }
775    else
776    {
777      halfAxes_[0].rel = 0.0;
778      halfAxes_[1].rel = rel.x;
779    }
780
781    if (rel.y /*!*/ < /*!*/ 0)
782    {
783      halfAxes_[0].rel = -rel.y;
784      halfAxes_[1].rel = 0.0;
785    }
786    else
787    {
788      halfAxes_[0].rel = 0.0;
789      halfAxes_[1].rel = -rel.y;
790    }
791
792    return true;
793  }
794
795  /**
796    @brief Event handler for the mouseScrolled Event.
797    @param e Mouse state information
798  */
799  bool KeyBinder::mouseScrolled(int abs, int rel)
800  {
801    // TODO: obvious...
802    return true;
803  }
804
805  /**
806    @brief Event handler for the mousePressed Event.
807    @param e Event information
808    @param id The ID of the mouse button
809  */
810  bool KeyBinder::mouseButtonPressed(MouseButton::Enum id)
811  {
812    // find the appropriate key binding
813    executeBinding(bindingsMouseButtons_[int(id)].OnPress, 1.0, 1.0);
814
815    return true;
816  }
817
818  /**
819    @brief Event handler for the mouseReleased Event.
820    @param e Event information
821    @param id The ID of the mouse button
822  */
823  bool KeyBinder::mouseButtonReleased(MouseButton::Enum id)
824  {
825    // find the appropriate key binding
826    executeBinding(bindingsMouseButtons_[int(id)].OnRelease, 1.0, 1.0);
827
828    return true;
829  }
830
831  /**
832    @brief Event handler for the mouseHeld Event.
833    @param e Event information
834    @param id The ID of the mouse button
835  */
836  bool KeyBinder::mouseButtonHeld(MouseButton::Enum id)
837  {
838    // find the appropriate key binding
839    executeBinding(bindingsMouseButtons_[int(id)].OnHold, 1.0, 1.0);
840
841    return true;
842  }
843
844  bool KeyBinder::joyStickButtonPressed(int joyStickID, int button)
845  {
846    // find the appropriate key binding
847    executeBinding(bindingsJoyStickButtons_[button].OnPress, 1.0, 1.0);
848
849    return true;
850  }
851
852  bool KeyBinder::joyStickButtonReleased(int joyStickID, int button)
853  {
854    // find the appropriate key binding
855    executeBinding(bindingsJoyStickButtons_[button].OnRelease, 1.0, 1.0);
856
857    return true;
858  }
859
860  bool KeyBinder::joyStickButtonHeld(int joyStickID, int button)
861  {
862    // find the appropriate key binding
863    executeBinding(bindingsJoyStickButtons_[button].OnHold, 1.0, 1.0);
864
865    return true;
866  }
867
868  bool KeyBinder::joyStickAxisMoved(int joyStickID, int axis, int value)
869  {
870    // TODO: check whether 16 bit integer as general axis value is a good idea (works under windows)
871    halfAxes_[8 + axis].hasChanged = true;
872    if (value >= 0)
873    {
874      halfAxes_[8 + axis].abs = ((float)value)/0x1000;
875      halfAxes_[8 + axis].hasChanged = true;
876    }
877    else
878    {
879      halfAxes_[8 + axis + 1].abs = -((float)value)/0x1000;
880      halfAxes_[8 + axis + 1].hasChanged = true;
881    }
882    return true;
883  }
884
885
886  // ###############################
887  // ###     GUIInputHandler     ###
888  // ###############################
889
890  ///**
891  //  @brief standard constructor
892  //*/
893  //GUIInputHandler::GUIInputHandler()
894  //{
895  //}
896
897  ///**
898  //  @brief Destructor
899  //*/
900  //GUIInputHandler::~GUIInputHandler()
901  //{
902  //}
903
904  ///**
905  //  @brief Event handler for the keyPressed Event.
906  //  @param e Event information
907  //*/
908  //bool GUIInputHandler::keyPressed(const OIS::KeyEvent &e)
909  //{
910    ////CEGUI::System::getSingleton().injectKeyDown( arg.key );
911    ////CEGUI::System::getSingleton().injectChar( arg.text );
912  //  return true;
913  //}
914
915  ///**
916  //  @brief Event handler for the keyReleased Event.
917  //  @param e Event information
918  //*/
919  //bool GUIInputHandler::keyReleased(const OIS::KeyEvent &e)
920  //{
921    ////CEGUI::System::getSingleton().injectKeyUp( arg.key );
922  //  return true;
923  //}
924
925  ///**
926  //  @brief Event handler for the mouseMoved Event.
927  //  @param e Event information
928  //*/
929  //bool GUIInputHandler::mouseMoved(const OIS::MouseEvent &e)
930  //{
931    ////CEGUI::System::getSingleton().injectMouseMove( arg.state.X.rel, arg.state.Y.rel );
932  //  return true;
933  //}
934
935  ///**
936  //  @brief Event handler for the mousePressed Event.
937  //  @param e Event information
938  //  @param id The ID of the mouse button
939  //*/
940  //bool GUIInputHandler::mousePressed(const OIS::MouseEvent &e, OIS::MouseButton id)
941  //{
942    ////CEGUI::System::getSingleton().injectMouseButtonDown(convertOISMouseButtonToCegui(id));
943  //  return true;
944  //}
945
946  ///**
947  //  @brief Event handler for the mouseReleased Event.
948  //  @param e Event information
949  //  @param id The ID of the mouse button
950  //*/
951  //bool GUIInputHandler::mouseReleased(const OIS::MouseEvent &e, OIS::MouseButton id)
952  //{
953    ////CEGUI::System::getSingleton().injectMouseButtonUp(convertOISMouseButtonToCegui(id));
954  //  return true;
955  //}
956
957}
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