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Dogcows Code - chaz/yoink/blob - src/Character.hh
2 /*******************************************************************************
4 Copyright (c) 2009, Charles McGarvey
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
10 * Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
12 * Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
20 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *******************************************************************************/
29 #ifndef _CHARACTER_HH_
30 #define _CHARACTER_HH_
32 #include <boost/shared_ptr.hpp>
34 #include <Moof/Animation.hh>
35 #include <Moof/Entity.hh>
36 #include <Moof/Event.hh>
37 #include <Moof/Math.hh>
38 #include <Moof/RK4.hh>
39 #include <Moof/Tilemap.hh>
43 typedef boost::shared_ptr
<Character
> CharacterP
;
47 * Parent class of animate objects with "personalities." This basically
48 * includes the heroine herself and the bad guys.
51 struct Character
: public Mf::Entity
58 Derivative
operator*(Mf::Scalar dt
) const
60 Derivative derivative
;
61 derivative
.velocity
= dt
* velocity
;
62 derivative
.force
= dt
* force
;
66 Derivative
operator+(const Derivative
& other
) const
68 Derivative derivative
;
69 derivative
.velocity
= velocity
+ other
.velocity
;
70 derivative
.force
= force
+ other
.force
;
90 Mf::Scalar inverseMass
;
94 velocity
= momentum
* inverseMass
;
98 void getDerivative(Derivative
& derivative
, Mf::Scalar t
) const
100 //derivative.velocity = Mf::Vector2(0.0, 0.0);
101 //derivative.force = Mf::Vector2(0.0, 0.0);
102 derivative
.velocity
= velocity
;
103 derivative
.force
= force
;
106 void applyDerivative(const Derivative
& derivative
, Mf::Scalar dt
)
108 position
+= dt
* derivative
.velocity
;
109 momentum
+= dt
* derivative
.force
;
113 // these two operator overloads all using the state in generic
114 // interpolator implementations
116 State
operator*(Mf::Scalar scalar
) const
119 state
.position
*= scalar
;
120 state
.momentum
*= scalar
;
125 State
operator+(const State
& state
) const
127 State newState
= *this;
128 newState
.position
+= state
.position
;
129 newState
.momentum
+= state
.momentum
;
130 newState
.recalculate();
141 static const Mf::Scalar z
= 96.0;
143 Mf::Tilemap tilemap_
;
144 Mf::Animation animation_
;
146 //void updateContainers();
150 Mf::Vector2 userForce
;
154 Character(const std::string
& name
);
155 virtual ~Character() {}
157 virtual void update(Mf::Scalar t
, Mf::Scalar dt
);
158 virtual void draw(Mf::Scalar alpha
) const;
160 Mf::Tilemap
& getTilemap();
161 Mf::Animation
& getAnimation();
165 //inline Character::State operator*(Mf::Scalar scalar,
166 //const Character::State& state)
168 //Character::State newState = state;
169 //newState.position *= scalar;
170 //newState.momentum *= scalar;
171 //newState.recalculate();
176 #endif // _CHARACTER_HH_
178 /** vim: set ts=4 sw=4 tw=80: *************************************************/
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