1 //
2 //  SuperTuxKart - a fun racing game with go-kart
3 //  Copyright (C) 2012-2015  Joerg Henrichs
4 //
5 //  This program is free software; you can redistribute it and/or
6 //  modify it under the terms of the GNU General Public License
7 //  as published by the Free Software Foundation; either version 3
8 //  of the License, or (at your option) any later version.
9 //
10 //  This program is distributed in the hope that it will be useful,
11 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
12 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 //  GNU General Public License for more details.
14 //
15 //  You should have received a copy of the GNU General Public License
16 //  along with this program; if not, write to the Free Software
17 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18 
19 #ifndef HEADER_CHECK_CANNON_HPP
20 #define HEADER_CHECK_CANNON_HPP
21 
22 #include "animations/animation_base.hpp"
23 #include "tracks/check_line.hpp"
24 #include "utils/cpp2011.hpp"
25 
26 #include <set>
27 
28 class CheckManager;
29 class Flyable;
30 class Ipo;
31 class ShowCurve;
32 class XMLNode;
33 
34 namespace SP
35 {
36     class SPDynamicDrawCall;
37 }
38 
39 /**
40  *  \brief Implements a simple checkline that will cause a kart or flyable to
41  *         be shot to a specified point.
42  *
43  * \ingroup tracks
44  */
45 class CheckCannon : public CheckLine
46 {
47 private:
48     /** The target point the kart will fly to. */
49     Vec3 m_target_left;
50     Vec3 m_target_right;
51 
52     /** Stores the cannon curve data. */
53     Ipo *m_curve;
54 
55 #if defined(DEBUG) && !defined(SERVER_ONLY)
56     /** If track debugging is enabled, this will show the the curve of
57      *  the cannon in the race. */
58     ShowCurve* m_show_curve;
59 
60     /** Used to display debug information about checklines. */
61     std::shared_ptr<SP::SPDynamicDrawCall> m_debug_target_dy_dc;
62 #endif
63 
64     std::set<Flyable*> m_all_flyables;
65 public:
66              CheckCannon(const XMLNode &node, unsigned int index);
67     // ------------------------------------------------------------------------
68     virtual ~CheckCannon();
69     // ------------------------------------------------------------------------
trigger(unsigned int kart_index)70     virtual void trigger(unsigned int kart_index) OVERRIDE {}
71     // ------------------------------------------------------------------------
72     virtual void changeDebugColor(bool is_active) OVERRIDE;
73     // ------------------------------------------------------------------------
74     virtual void update(float dt) OVERRIDE;
75     // ------------------------------------------------------------------------
triggeringCheckline() const76     virtual bool triggeringCheckline() const OVERRIDE         { return false; }
77     // ------------------------------------------------------------------------
78     /** Adds a flyable to be tested for crossing a cannon checkline.
79     *  \param flyable The flyable to be tested.
80     */
addFlyable(Flyable * flyable)81     void addFlyable(Flyable* flyable)       { m_all_flyables.insert(flyable); }
82     // ------------------------------------------------------------------------
83     /** Removes a flyable from the tests if it crosses a checkline. Used when
84     *  the flyable is removed (e.g. explodes).
85     */
removeFlyable(Flyable * flyable)86     void removeFlyable(Flyable* flyable)     { m_all_flyables.erase(flyable); }
87     // ------------------------------------------------------------------------
getTargetLeft() const88     const Vec3& getTargetLeft() const                 { return m_target_left; }
89     // ------------------------------------------------------------------------
getTargetRight() const90     const Vec3& getTargetRight() const               { return m_target_right; }
91     // ------------------------------------------------------------------------
getIpo() const92     Ipo* getIpo() const                                     { return m_curve; }
93     // ------------------------------------------------------------------------
94     virtual CheckStructure* clone() OVERRIDE;
95 };   // CheckCannon
96 
97 #endif
98 
99