357 lines
10 KiB
C++
357 lines
10 KiB
C++
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#ifndef __SOLVESPACE_H
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#define __SOLVESPACE_H
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// Debugging functions
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#define oops() do { dbp("oops at line %d, file %s", __LINE__, __FILE__); \
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if(1) *(char *)0 = 1; exit(-1); } while(0)
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#ifndef min
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#define min(x, y) ((x) < (y) ? (x) : (y))
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#endif
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#ifndef max
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#define max(x, y) ((x) > (y) ? (x) : (y))
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#endif
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#define isnan(x) (((x) != (x)) || (x > 1e11) || (x < -1e11))
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inline int WRAP(int v, int n) {
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while(v >= n) v -= n;
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while(v < 0) v += n;
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return v;
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}
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#define SWAP(T, a, b) do { T temp = (a); (a) = (b); (b) = temp; } while(0)
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#define ZERO(v) memset((v), 0, sizeof(*(v)))
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#define CO(v) (v).x, (v).y, (v).z
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#define LENGTH_EPS (0.0000001)
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#define isforname(c) (isalnum(c) || (c) == '_' || (c) == '-' || (c) == '#')
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typedef signed long SDWORD;
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdio.h>
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#include <math.h>
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#include <windows.h> // required for GL stuff
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#include <gl/gl.h>
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#include <gl/glu.h>
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class Expr;
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class ExprVector;
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class ExprQuaternion;
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// From the platform-specific code.
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#define MAX_RECENT 8
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#define RECENT_OPEN (0xf000)
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#define RECENT_IMPORT (0xf100)
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extern char RecentFile[MAX_RECENT][MAX_PATH];
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void RefreshRecentMenus(void);
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int SaveFileYesNoCancel(void);
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#define SLVS_PATTERN "SolveSpace Models (*.slvs)\0*.slvs\0All Files (*)\0*\0\0"
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#define SLVS_EXT "slvs"
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#define PNG_PATTERN "PNG (*.png)\0*.png\0All Files (*)\0*\0\0"
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#define PNG_EXT "png"
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BOOL GetSaveFile(char *file, char *defExtension, char *selPattern);
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BOOL GetOpenFile(char *file, char *defExtension, char *selPattern);
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void GetAbsoluteFilename(char *file);
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void CheckMenuById(int id, BOOL checked);
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void EnableMenuById(int id, BOOL checked);
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void ShowGraphicsEditControl(int x, int y, char *s);
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void HideGraphicsEditControl(void);
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BOOL GraphicsEditControlIsVisible(void);
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void ShowTextEditControl(int hr, int c, char *s);
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void HideTextEditControl(void);
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BOOL TextEditControlIsVisible(void);
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void ShowTextWindow(BOOL visible);
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void InvalidateText(void);
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void InvalidateGraphics(void);
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void PaintGraphics(void);
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void GetGraphicsWindowSize(int *w, int *h);
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SDWORD GetMilliseconds(void);
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void dbp(char *str, ...);
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#define DBPTRI(tri) \
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dbp("tri: (%.3f %.3f %.3f) (%.3f %.3f %.3f) (%.3f %.3f %.3f)", \
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CO((tri).a), CO((tri).b), CO((tri).c))
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void Error(char *str, ...);
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void ExitNow(void);
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void CnfFreezeString(char *str, char *name);
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void CnfFreezeDWORD(DWORD v, char *name);
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void CnfThawString(char *str, int maxLen, char *name);
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DWORD CnfThawDWORD(DWORD v, char *name);
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void *AllocTemporary(int n);
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void FreeAllTemporary(void);
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void *MemRealloc(void *p, int n);
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void *MemAlloc(int n);
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void MemFree(void *p);
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void vl(void); // debug function to validate
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#include "dsc.h"
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#include "polygon.h"
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class Entity;
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class hEntity;
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class Param;
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class hParam;
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typedef IdList<Entity,hEntity> EntityList;
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typedef IdList<Param,hParam> ParamList;
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#include "sketch.h"
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#include "ui.h"
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#include "expr.h"
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// Utility functions that are provided in the platform-independent code.
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void glxVertex3v(Vector u);
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#define GLX_CALLBACK __stdcall
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typedef void GLX_CALLBACK glxCallbackFptr(void);
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void glxTesselatePolygon(GLUtesselator *gt, SPolygon *p);
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void glxFillPolygon(SPolygon *p);
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void glxFillMesh(int color, SMesh *m, DWORD h, DWORD s1, DWORD s2);
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void glxDebugPolygon(SPolygon *p);
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void glxDebugEdgeList(SEdgeList *l);
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void glxDebugMesh(SMesh *m);
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void glxMarkPolygonNormal(SPolygon *p);
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void glxWriteText(char *str);
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void glxWriteTextRefCenter(char *str);
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double glxStrWidth(char *str);
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double glxStrHeight(void);
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void glxTranslatev(Vector u);
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void glxOntoWorkplane(Vector u, Vector v);
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void glxLockColorTo(double r, double g, double b);
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void glxUnlockColor(void);
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void glxColor3d(double r, double g, double b);
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void glxColor4d(double r, double g, double b, double a);
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void glxDepthRangeOffset(int units);
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void glxDepthRangeLockToFront(bool yes);
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#define arraylen(x) (sizeof((x))/sizeof((x)[0]))
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#define PI (3.1415926535897931)
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void MakeMatrix(double *mat, double a11, double a12, double a13, double a14,
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double a21, double a22, double a23, double a24,
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double a31, double a32, double a33, double a34,
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double a41, double a42, double a43, double a44);
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void MakePathRelative(char *base, char *path);
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void MakePathAbsolute(char *base, char *path);
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class System {
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public:
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#define MAX_UNKNOWNS 200
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EntityList entity;
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ParamList param;
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IdList<Equation,hEquation> eq;
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// In general, the tag indicates the subsys that a variable/equation
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// has been assigned to; these are exceptions for variables:
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static const int VAR_SUBSTITUTED = 10000;
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// and for equations:
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static const int EQ_SUBSTITUTED = 20000;
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// The system Jacobian matrix
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struct {
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// The corresponding equation for each row
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hEquation eq[MAX_UNKNOWNS];
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// The corresponding parameter for each column
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hParam param[MAX_UNKNOWNS];
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bool bound[MAX_UNKNOWNS];
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// We're solving AX = B
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int m, n;
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struct {
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Expr *sym[MAX_UNKNOWNS][MAX_UNKNOWNS];
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double num[MAX_UNKNOWNS][MAX_UNKNOWNS];
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} A;
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double scale[MAX_UNKNOWNS];
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// Some helpers for the least squares solve
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double AAt[MAX_UNKNOWNS][MAX_UNKNOWNS];
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double Z[MAX_UNKNOWNS];
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double X[MAX_UNKNOWNS];
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struct {
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Expr *sym[MAX_UNKNOWNS];
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double num[MAX_UNKNOWNS];
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} B;
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} mat;
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bool Tol(double v);
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int GaussJordan(void);
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static bool SolveLinearSystem(double X[], double A[][MAX_UNKNOWNS],
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double B[], int N);
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bool SolveLeastSquares(void);
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void WriteJacobian(int eqTag, int paramTag);
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void EvalJacobian(void);
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void WriteEquationsExceptFor(hConstraint hc, hGroup hg);
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void FindWhichToRemoveToFixJacobian(Group *g);
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void SolveBySubstitution(void);
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static bool IsDragged(hParam p);
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bool NewtonSolve(int tag);
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void Solve(Group *g);
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};
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class SolveSpace {
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public:
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TextWindow TW;
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GraphicsWindow GW;
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// These lists define the sketch, and are edited by the user.
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IdList<Group,hGroup> group;
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IdList<Request,hRequest> request;
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IdList<Constraint,hConstraint> constraint;
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// These lists are generated automatically when we solve the sketch.
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IdList<Entity,hEntity> entity;
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IdList<Param,hParam> param;
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inline Constraint *GetConstraint(hConstraint h)
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{ return constraint.FindById(h); }
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inline Request *GetRequest(hRequest h) { return request.FindById(h); }
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inline Entity *GetEntity (hEntity h) { return entity. FindById(h); }
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inline Param *GetParam (hParam h) { return param. FindById(h); }
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inline Group *GetGroup (hGroup h) { return group. FindById(h); }
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// The state for undo/redo
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typedef struct {
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IdList<Group,hGroup> group;
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IdList<Request,hRequest> request;
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IdList<Constraint,hConstraint> constraint;
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IdList<Param,hParam> param;
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hGroup activeGroup;
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} UndoState;
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static const int MAX_UNDO = 16;
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typedef struct {
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UndoState d[MAX_UNDO];
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int cnt;
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int write;
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} UndoStack;
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UndoStack undo;
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UndoStack redo;
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void UndoEnableMenus(void);
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void UndoRemember(void);
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void UndoUndo(void);
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void UndoRedo(void);
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void PushFromCurrentOnto(UndoStack *uk);
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void PopOntoCurrentFrom(UndoStack *uk);
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void UndoClearState(UndoState *ut);
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void UndoClearStack(UndoStack *uk);
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// Little bits of extra configuration state
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static const int MODEL_COLORS = 8;
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int modelColor[MODEL_COLORS];
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Vector lightDir[2];
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double lightIntensity[2];
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double meshTol;
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double cameraTangent;
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int CircleSides(double r);
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typedef enum {
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UNIT_MM = 0,
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UNIT_INCHES,
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} Unit;
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Unit viewUnits;
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char *MmToString(double v);
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double ExprToMm(Expr *e);
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// The platform-dependent code calls this before entering the msg loop
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void Init(char *cmdLine);
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void Exit(void);
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// File load/save routines, including the additional files that get
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// loaded when we have import groups.
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FILE *fh;
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void AfterNewFile(void);
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static void RemoveFromRecentList(char *file);
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static void AddToRecentList(char *file);
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char saveFile[MAX_PATH];
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bool unsaved;
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typedef struct {
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char type;
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char *desc;
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char fmt;
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void *ptr;
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} SaveTable;
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static const SaveTable SAVED[];
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void SaveUsingTable(int type);
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void LoadUsingTable(char *key, char *val);
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struct {
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Group g;
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Request r;
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Entity e;
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Param p;
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Constraint c;
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} sv;
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static void MenuFile(int id);
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bool GetFilenameAndSave(bool saveAs);
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bool OkayToStartNewFile(void);
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hGroup CreateDefaultDrawingGroup(void);
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void NewFile(void);
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bool SaveToFile(char *filename);
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bool LoadFromFile(char *filename);
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bool LoadEntitiesFromFile(char *filename, EntityList *le, SMesh *m);
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void ReloadAllImported(void);
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// And the PNG export too
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void ExportAsPngTo(char *file);
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void MarkGroupDirty(hGroup hg);
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void MarkGroupDirtyByEntity(hEntity he);
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// Consistency checking on the sketch: stuff with missing dependencies
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// will get deleted automatically.
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struct {
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int requests;
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int groups;
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int constraints;
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} deleted;
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bool GroupExists(hGroup hg);
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bool PruneOrphans(void);
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bool EntityExists(hEntity he);
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bool GroupsInOrder(hGroup before, hGroup after);
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bool PruneGroups(hGroup hg);
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bool PruneRequests(hGroup hg);
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bool PruneConstraints(hGroup hg);
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void GenerateAll(void);
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void GenerateAll(int first, int last);
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void SolveGroup(hGroup hg);
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void ForceReferences(void);
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// The system to be solved.
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System sys;
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// Everything has been pruned, so we know there's no dangling references
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// to entities that don't exist. Before that, we mustn't try to display
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// the sketch!
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bool allConsistent;
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struct {
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bool showTW;
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bool generateAll;
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} later;
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void DoLater(void);
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};
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extern SolveSpace SS;
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#endif
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