X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FCharacter.hh;h=b72e8c87e58910d6296218b2eff58696e8ac2ab1;hp=2f175ad65d3b7c90aeafaa03a7f6f6de3ba9c5b6;hb=fdfba4553433b9b2804c2772c7645211b828c2ea;hpb=79becf045222f385da5a1b9eb79081f6f5266c86 diff --git a/src/Character.hh b/src/Character.hh index 2f175ad..b72e8c8 100644 --- a/src/Character.hh +++ b/src/Character.hh @@ -29,29 +29,152 @@ #ifndef _CHARACTER_HH_ #define _CHARACTER_HH_ +#include + +#include +#include +#include +#include +#include +#include +#include + + +struct Character; +typedef boost::shared_ptr CharacterP; + + /** - * @file Character.hh - * 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 dc::resource, public dc::drawable +struct Character : public Mf::Entity { -public: - struct exception : public std::runtime_error + 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 { - explicit exception(const std::string& what_arg) : - std::runtime_error(what_arg) {} + // 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; + } }; + State previous; + State current; + + stlplus::ntree::iterator treeNode; + + +private: + + static const Mf::Scalar z = 96.0; + + Mf::Tilemap tilemap_; + Mf::Animation animation_; + + void updateContainers(); + +public: + + inline static CharacterP alloc(const std::string& name) + { + return CharacterP(new Character(name)); + } + Character(const std::string& name); + virtual ~Character(); - void draw(dc::scalar alpha); + void update(Mf::Scalar t, Mf::Scalar dt); + void handleEvent(const Mf::Event& event); + void draw(Mf::Scalar alpha) const; - dc::tilemap* texture; - dc::animation* anim; + Mf::Tilemap& getTilemap(); + Mf::Animation& getAnimation(); }; +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_ +/** vim: set ts=4 sw=4 tw=80: *************************************************/ +