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Interpreter.h
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C/C++ Source or Header
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1992-11-20
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3KB
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143 lines
/*
* Interpreter.h - class definition for l-system interpreter.
*
* Copyright (C) 1992, Christoph Streit (streit@iam.unibe.ch)
* University of Berne, Switzerland
* All rights reserved.
*
* This software may be freely copied, modified, and redistributed
* provided that this copyright notice is preserved on all copies.
*
* You may not distribute this software, in whole or in part, as part of
* any commercial product without the express consent of the authors.
*
* There is no warranty or other guarantee of fitness of this software
* for any purpose. It is provided solely "as is".
*
*/
#ifndef Interpreter_H
# define Interpreter_H
#include "Value.h"
#include "Polygon.h"
#include "DeviceDriver.h"
#include "Module.h"
#include "Turtle.h"
#include "Hull.h"
#include "Options.h"
//___________________________________________________________ Interpreter
class Interpreter;
typedef void (Interpreter::*FP)(void);
class TurtleStack;
class Interpreter
{
public:
Interpreter(DeviceDriver*, Options*);
~Interpreter();
void interpret(ModuleList*);
static Value* getTx();
static Value* getTy();
static Value* getTz();
private:
void forward();
void width();
void go();
void pitch();
void pitch_negativ();
void roll();
void roll_negativ();
void turn();
void turn_negativ();
void rotate_vertical();
void reverse();
void push();
void pop();
void startPolygon();
void saveVertex();
void endPolygon();
void tropism();
void weight();
void color();
void beginMacro();
void endMacro();
void executeMacro();
void libraryObject();
void sphere();
void triangle();
void polygon();
void activateHull();
void deactivateHull();
void cutBranchWhenHit();
void cutBranch();
void texture();
void flush();
void createConeBetweenSpheres(const Vector&, real, const Vector&, real);
void computeTropism();
public:
struct InterpreterFunctions {
char* name;
FP function;
long index;
};
private:
static InterpreterFunctions FuncTable[];
static FP* functable;
static Value turtleX; // position of turtle, for use in analytic
static Value turtleY; // tropism functions
static Value turtleZ;
Expression* tropismX; // analytic tropism functions
Expression* tropismY;
Expression* tropismZ;
Expression* tropismWeight;
int tropismFunction; // analytic tropism functions set?
int weightFunction; // analytic weight functions set?
DeviceDriver* d;
Turtle* t;
HullSymtab* h;
Options* options;
ModuleList* ml;
Module* m; // current module
long currentModule; // position of current module in the list
PolygonList* polyStack;
TurtleStack* turtleStack;
Turtle* saveTurtle;
int definingMacro; // defining a macro?
int reflected; // did we hit a hull primitive in the last move?
int deleteBranchWhenHit;
};
inline Value* Interpreter::getTx() {
return &turtleX;
}
inline Value* Interpreter::getTy() {
return &turtleY;
}
inline Value* Interpreter::getTz() {
return &turtleZ;
}
#endif // Interpreter_H