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root |
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/* |
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* interpreters interpretating module vectors |
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*/ |
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#ifndef INTERP_H |
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#define INTERP_H |
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#include <stack> |
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#include "lsys.h" |
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#include "interface.h" |
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#include "util.h" |
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#include "matrix.h" |
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#include <iostream> // FIXME only for simple_interpreter |
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using namespace std; |
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class interpreter { |
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protected: |
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virtual void execute (const module_vec &v, const lsys &l) t_err abstract; |
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virtual bool execute_child (const module &m, const lsys &l) t_err; |
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public: |
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virtual ~interpreter () t_no {}; |
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virtual void operator ()(const module_vec &v, const lsys &l) t_err { execute (v, l); }; |
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}; |
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class simple_interpreter : public interpreter { |
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int maxdepth; |
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int depth; |
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void execute(const module_vec &v, const lsys &l) t_err; |
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public: |
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simple_interpreter (int depth) t_no : maxdepth (depth) {}; |
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void operator ()(const module_vec &v, const lsys &l) t_err; |
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}; |
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class turtle_interpreter : public interpreter { |
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gfx_int &iface; |
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bool flat; |
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double delta, distance; |
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struct state { |
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vec pos; |
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mat dir; /* H L U, up = normal */ |
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attribute_set attr; |
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}; |
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state cur; |
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stack<state> state_stack; |
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points cur_obj; |
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stack<points> obj_stack; |
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void rotate_tl (double phi) t_no; |
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void rotate_pd (double phi) t_no; |
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void rotate_rl (double phi) t_no; |
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void forward (double d) t_no; |
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void attrs_changed () t_err; |
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protected: |
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void execute (const module_vec &v, const lsys &l) t_err; |
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public: |
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turtle_interpreter (gfx_int &interface, bool flat_world = false) t_no; |
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~turtle_interpreter () t_no {}; |
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void operator ()(const module_vec &v, const lsys &l) t_err; |
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}; |
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#endif |
