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source: code/trunk/src/orxonox/controllers/ScriptController.cc @ 10622

Last change on this file since 10622 was 10622, checked in by landauf, 8 years ago

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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 *      ...
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29 /*
30  * Currently available lua commands:
31  *
32  * IMPORTANT: ALL COMMANDS DO REQUIRE 7 PARAMETERS TO BE PROVIDED. FILL UP WITH ZEROES IN UNIMPORTANT PLACES.
33  *
34  * Command             | Abbreviation | Parameter 1          | '' 2     | '' 3    | '' 4                 | '' 5     | '' 6     | '' 7
35  *
36  * "Move And Look"     | mal          | GoTo X Coordinate    | '' Y ''  | '' Z '' | LookAt X Coordinate  |  '' Y '' |  '' Y '' | Duration
37  * "Rotate And Look"   | ral          | GoTo X Coordinate    | '' Y ''  | '' Z '' | Axis (1=x, 2=z, 3=z) |     -    |     -    | Duration
38  * "Spiral"            | spi          | GoTo X Coordinate    | '' Y ''  | '' Z '' |          -           |     -    |     -    | Duration
39  * "Transition Look"   | chl          | From X Coordinate    | '' Y ''  | '' Z '' | To X Coordinate      |  '' Y '' |  '' Y '' | Duration
40  * "Idle (Do nothing)" | idle         | Duration
41  */
42
43#include "ScriptController.h"
44#include "infos/PlayerInfo.h"
45#include "core/CoreIncludes.h"
46#include "worldentities/ControllableEntity.h"
47#include "core/LuaState.h"
48#include "core/LuaState.h"
49#include "util/Math.h"
50
51namespace orxonox
52{
53    RegisterClass(ScriptController);
54
55    ScriptController::ScriptController(Context* context) : ArtificialController(context)
56    {
57        RegisterObject(ScriptController);
58
59        /* By default, this controller has ID 0, which means it is not assigned
60         * to anything yet.
61         */
62        this->ctrlid_ = 0;
63
64        /* Set default values for all variables */
65        /* - pointers to zero */
66        this->player_ = NULL;
67        this->entity_ = NULL;
68
69        /* - times */
70        this->scTime = 0.0f;
71        this->eventTime = 0.0f;
72
73        /* - Points in space */
74        this->startpos = Vector3(0,0,0);
75        //this->lookAtPosition = Vector3(0,0,0);
76
77        /* - Processing flag */
78        this->processing = false;
79
80        /* - Counters */
81        this->eventno = 0;
82
83        /* - First "previous event" scheduled at t=0 */
84        /* - Needed for automatically updating event times */
85        this->prevEventTime = 0;
86    }
87
88    void ScriptController::takeControl(int ctrlid)
89    {
90        /* Output some debugging information */
91        orxout(verbose) << "ScriptController: Taking control" << endl;
92        orxout(verbose) << "This-pointer: " << this << endl;
93
94        /* Set the controller ID (the argument here should be nonzero) */
95        this->ctrlid_ = ctrlid;
96
97        /* Store the entity pointer in a private variable */
98        this->entity_ = this->player_->getControllableEntity();
99        assert(this->entity_);
100         
101        /* Add the controller here to this entity. Apparently this still leaves
102         * any preexisting human controllers in place.
103         */
104        this->entity_->setDestroyWhenPlayerLeft(false);
105        this->player_->pauseControl();
106        this->entity_->setController(this);
107        this->setControllableEntity(this->entity_);
108        this->entity_->mouseLook();
109        this->entity_->setVisible(false);
110    }
111
112    const Vector3& ScriptController::getPosition()
113    {
114      return this->entity_->getPosition();
115    }
116
117    ScriptController* ScriptController::getScriptController()
118    {
119      /* Output a message that confirms this function was called */
120      orxout(verbose) << "Great success!" << std::endl;
121
122      /* Debugging: print all the scriptcontroller object pointers */
123      for(ObjectList<ScriptController>::iterator it = 
124        ObjectList<ScriptController>::begin(); 
125        it != ObjectList<ScriptController>::end(); ++it)
126      { orxout(verbose) << "Have object in list: " << *it << endl; }
127
128      /* Find the first one with a nonzero ID */
129      for(ObjectList<ScriptController>::iterator it = 
130        ObjectList<ScriptController>::begin(); 
131        it != ObjectList<ScriptController>::end(); ++it)
132      { 
133        // TODO: do some selection here. Currently just returns the first one
134        if( (*it)->getID() > 0 )
135        { orxout(verbose) << "Controller to return: " << *it << endl;
136          return *it; 
137        }
138     
139      }
140      return NULL;
141    }
142
143    void ScriptController::execute(event ev)
144    {
145        /* Debugging output */
146        //orxout() << "Executing event " << ev.fctName
147          //<< " with parameters:\n "
148          //<< ev.x1 << " " << ev.y1 << " " << ev.z1 << "\n"
149          //<< ev.x2 << " " << ev.y2 << " " << ev.z2 << "\n"
150          //<< ev.duration << endl;
151
152        /* Event is starting, hence set the time to 0 */
153        this->eventTime = 0.0f;
154        this->processing = true;
155
156        /* Copy the event into the currentEvent holder */
157        this->currentEvent = ev;
158
159        /* Store starting position */
160        this->startpos = this->entity_->getPosition();
161    }
162
163
164    void ScriptController::tick(float dt)
165    {
166        /* Call the tick function of the classes we derive from */
167        SUPER(ScriptController, tick, dt);
168
169        /* If this controller has no entity entry, do nothing */
170        if( !(this->entity_) ) return;
171
172        /* See if time has come for the next event to be run */
173        if(this->eventList.size() > 0 && this->eventList[0].eventTime <= scTime)
174        { /* Execute the next event on the list */
175          this->execute(this->eventList[0]);
176          this->eventList.erase(this->eventList.begin());
177          this->eventno -= 1;
178        }
179
180        /* Update the local timers in this object */
181        scTime += dt; eventTime += dt;
182
183        /* If we've arrived at the target, stop processing */
184        if( eventTime > currentEvent.duration && this->processing == true)
185        { this->processing = false;
186
187          /* If we reached the last event, also reenable the normal movement
188           * and make the model visible again
189           */
190          if( this->eventno == 0 )
191          {
192            this->entity_->mouseLook();
193            this->entity_->setVisible(true);
194          }
195        }
196
197        /* Get a variable that specifies how far along the trajectory
198         * we are currently.
199         */
200        float dl = eventTime / currentEvent.duration; 
201
202        /* Depending on command */
203        /* Do some moving */
204        if( this->processing )
205        {
206          // Abbreviation for "spiral" (rotation + translation)
207          if (this->currentEvent.fctName == "spi") {
208
209            // Need to know a perpendicular basis to the translation vector:
210            // Given (a, b, c) we chose (b, -a, 0)norm and (0, c, -b)norm
211            // Currently we set a fix rotational radius of 400
212            // TODO: Add an option to adjust radius of spiral movement
213            Vector3 direction = this->currentEvent.v1 - startpos;
214
215            Vector3* ortho1 = new Vector3(direction.y, -direction.x, 0);
216            float absOrtho1 = sqrt(direction.y * direction.y + direction.x * direction.x);
217            *ortho1 = 400 * cos(2 * math::pi * dl) * (*ortho1)/absOrtho1;
218
219            Vector3* ortho2 = new Vector3(0, direction.z, -direction.y);
220            float absOrtho2 = sqrt(direction.y * direction.y + direction.z * direction.z);
221            *ortho2 = 400 * sin(2 * math::pi * dl) * (*ortho2)/absOrtho2;
222
223            this->entity_->setPosition( (1-dl)*startpos + dl * this->currentEvent.v1 + *ortho1 + *ortho2);
224
225            delete ortho1;
226            delete ortho2;
227          }
228
229          // Abbreviation for "rotate and look"
230          if (this->currentEvent.fctName == "ral")
231          { 
232            // Specify the axis
233            Vector3* a;
234              switch ((int) currentEvent.d) {
235                case 3:
236                  a = new Vector3(this->currentEvent.v1.x + this->currentEvent.e*cos(2*math::pi*dl),
237                                  this->currentEvent.v1.y + this->currentEvent.e*sin(2*math::pi*dl),
238                                  this->currentEvent.v1.z);
239                break;
240                case 2:
241                  a = new Vector3(this->currentEvent.v1.x + this->currentEvent.e*sin(2*math::pi*dl),
242                                  this->currentEvent.v1.y,
243                                  this->currentEvent.v1.z + this->currentEvent.e*cos(2*math::pi*dl));
244                break;
245                case 1:
246                  a = new Vector3(this->currentEvent.v1.x,
247                                  this->currentEvent.v1.y + this->currentEvent.e*sin(2*math::pi*dl),
248                                  this->currentEvent.v1.z + this->currentEvent.e*cos(2*math::pi*dl));
249                break;
250              }
251
252            this->entity_->setPosition(*a);
253
254            /* Look at the specified position */
255            this->entity_->lookAt(this->currentEvent.v1);
256          }
257          else if( this->currentEvent.fctName == "mal" )
258          {
259            /* Set the position to the correct place in the trajectory */
260            this->entity_->setPosition( (1-dl)*startpos + dl * this->currentEvent.v1);
261
262            /* Look at the specified position */
263            this->entity_->lookAt(this->currentEvent.v2);
264          }
265          else if( this->currentEvent.fctName == "chl" )
266          {
267            /* Sweep the look from v1 to v2 */
268            this->entity_->lookAt( (1-dl)*this->currentEvent.v1 + 
269              dl * this->currentEvent.v2 );
270          }
271
272
273          /* Force mouse look */
274          if( this->entity_->isInMouseLook() == false )
275            this->entity_->mouseLook();
276        }
277    }
278
279    void ScriptController::eventScheduler(std::string instruction, 
280      float x1, float y1, float z1, 
281      float x2, float y2, float z2, 
282      float duration, float executionTime)
283    {
284      /* put data (from LUA) into time-sorted eventList*/ 
285      /* Nimmt den befehl und die argumente aus luascript und ertellt einen
286       * struct pro event, diese structs werden sortiert nach eventTime
287       */
288      struct event tmp;
289
290      /* Fill the structure with all the provided information */
291      tmp.fctName = instruction;
292
293      //tmp.x1 = x1; tmp.y1 = y1; tmp.z1 = z1;
294      //tmp.x2 = x2; tmp.y2 = y2; tmp.z2 = z2;
295      tmp.v1 = Vector3(x1,y1,z1);
296      tmp.v2 = Vector3(x2,y2,z2);
297
298      // the parameters are not required to be vector coordinates!
299      // for convenience they are however stored twice if they have some kind of different meaning
300      tmp.a = x1;
301      tmp.b = y1;
302      tmp.c = z1;
303      tmp.d = x2;
304      tmp.e = y2;
305      tmp.f = z2;
306
307      tmp.duration = duration;
308
309      /* This is kind of a hack. If we hit the function idle all we want to do is
310         advance event execution time, not schedule anything */
311      if (instruction == "idle") {
312        tmp.eventTime = this->prevEventTime;
313        this->prevEventTime += x1;
314        return;
315      } else {
316        tmp.eventTime = this->prevEventTime;
317        this->prevEventTime += duration;
318      }
319
320      /* Add the created event to the event list */
321      if(eventList.size()==0)
322      { /* The list is still empty, just add it */
323        orxout(verbose) << "eventList empty (01)" << endl;
324        eventList.insert(eventList.begin(), tmp);
325        this->eventno += 1;
326        return; /* Nothing more to do, the event was added */
327      }
328
329      /* Event was not added yet since the list was not empty. Walk through
330       * the list of events and add it so that the events are correctly in
331       * order.
332       */
333      for (std::vector<event>::iterator it=eventList.begin(); it<eventList.end(); it++)
334      { if(tmp.eventTime < it->eventTime)
335        { eventList.insert(it,tmp);
336          this->eventno += 1;
337          //orxout()<<"new event added"<<endl;
338          return;
339        }
340      }
341
342      /* If the event was still not added here, it belongs in the end of the list */
343      eventList.insert(eventList.end(), tmp);
344      this->eventno += 1;
345
346    }
347}
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