X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FCharacter.hh;h=a92992c6e3eca9fc4e6bb22581b8903f80bcdf58;hp=e39e7ff93bb9ad3de3e66ef6e1ed163e6a97df11;hb=bfa6212d09d8735d8fd5e2638188e4a99f21ada4;hpb=eebb993ca929c3f4c235cad9e01dc4797fcd2945 diff --git a/src/Character.hh b/src/Character.hh index e39e7ff..a92992c 100644 --- a/src/Character.hh +++ b/src/Character.hh @@ -29,32 +29,143 @@ #ifndef _CHARACTER_HH_ #define _CHARACTER_HH_ +#include + #include -#include -#include +#include +#include +#include +#include +#include #include /** - * Parent class of animate objects with "personalities." + * Parent class of animate objects with "personalities." This basically + * includes the heroine herself and the bad guys. */ -class Character : public Mf::Drawable +class Character : public Mf::Entity { public: + + struct Derivative + { + Mf::Vector2 velocity; + Mf::Vector2 force; + + Derivative operator*(Mf::Scalar dt) const + { + Derivative derivative; + derivative.velocity = dt * velocity; + derivative.force = dt * force; + return derivative; + } + + Derivative operator+(const Derivative& other) const + { + Derivative derivative; + derivative.velocity = velocity + other.velocity; + derivative.force = force + other.force; + return derivative; + } + }; + + struct State + { + // primary + + Mf::Vector2 position; + Mf::Vector2 momentum; + Mf::Vector2 force; + + // secondary + + Mf::Vector2 velocity; + + // constant + + Mf::Scalar mass; + Mf::Scalar inverseMass; + + + void getDerivative(Derivative& derivative, Mf::Scalar t) const + { + //derivative.velocity = Mf::Vector2(0.0, 0.0); + //derivative.force = Mf::Vector2(0.0, 0.0); + derivative.velocity = velocity; + derivative.force = force; + } + + void recalculate() + { + velocity = momentum * inverseMass; + } + + void applyDerivative(const Derivative& derivative, Mf::Scalar dt) + { + position += dt * derivative.velocity; + momentum += dt * derivative.force; + recalculate(); + } + + State operator*(Mf::Scalar scalar) const + { + State state = *this; + state.position *= scalar; + state.momentum *= scalar; + state.recalculate(); + return state; + } + + State operator+(State state) const + { + State newState = *this; + newState.position += state.position; + newState.momentum += state.momentum; + newState.recalculate(); + return newState; + } + }; + + Character(const std::string& name); - ~Character(); + virtual ~Character(); + void update(Mf::Scalar t, Mf::Scalar dt); + void handleEvent(const Mf::Event& event); void draw(Mf::Scalar alpha) const; Mf::Tilemap& getTilemap(); Mf::Animation& getAnimation(); + State previous; + State current; + + stlplus::ntree::iterator treeNode; + private: - Mf::Tilemap tilemap; - Mf::Animation animation; + + void updateContainers(); + + static const Mf::Scalar z = 96.0; + + Mf::Tilemap tilemap_; + Mf::Animation animation_; }; +typedef boost::shared_ptr CharacterPtr; + + +inline Character::State operator*(Mf::Scalar scalar, const Character::State& state) +{ + Character::State newState = state; + newState.position *= scalar; + newState.momentum *= scalar; + newState.recalculate(); + return newState; +} + #endif // _CHARACTER_HH_