source410: literal 4.10 source reconstruction + BC++ 4.52 fleet toolchain archived

- BORLAND/: Borland C++ 4.52 (chosen over 4.5 by byte-match: CODE/RP/CW32.LIB is identical to 4.52's install lib). BCC32/TLINK32/TLIB/MAKE run natively on Win11; CODE/BT/OPT.MAK is the shipped BTL4OPT.EXE's exact flag recipe (extender = Borland PowerPack DPMI32, not Phar Lap TNT). - restoration/source410/: the literal 1995-form reconstruction of the missing BT game source (never mixed into CODE/). Round 1-3 state: * 6 of 10 surviving original TUs COMPILE CLEAN under the period toolchain (BTMSSN, BTCNSL, BTSCNRL, BTTEAM, BTL4MODE, BTL4ARND) - first builds since 1996. * BT_L4/BTL4APP.CPP pilot reconstruction: 12/12 functions, Fail() lands on its binary-recorded line 400 exactly. * BT/BTCNSL.HPP: console wire IDs recovered from the binary's ctors (Killed=9, Damaged=10, ScoreUpdate=13, DeathWithoutHonor=15 [T1]; TeamScore=12 flagged [T4]). * MUNGA/: 8 engine-header backfills back-dated from the BT412 WinTesla tree (VDATA numbering decomp-verified; AUDREND's OpenAL-era virtual removed - the period compiler is the drift detector). * Tooling: backdate.py (WinTesla->1995 header transform), compile410.sh (per-TU verification sweep under authentic OPT.MAK flags). * README: corrected roadmap - MECH.HPP is the capstone grown with the mech TU reconstructions; BTREG.CPP green = the header-family milestone. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-19 07:33:26 -05:00
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+// Borland C++ - (C) Copyright 1991 by Borland International
+
+/* VCIRC.CPP--Example from Getting Started */
+
+// A Circle class derived from Point
+
+#include <graphics.h>    // graphics library declarations
+#include "vpoint.h"       // Location and Point class declarations
+#include <conio.h>       // for getch() function
+
+// link with vpoint.obj and graphics.lib
+
+class Circle : public Point { // derived from class Point
+			 // and ultimately from class Location
+   int Radius;           // private by default
+
+public:
+   Circle(int InitX, int InitY, int InitRadius);
+   void Show(void);
+   void Hide(void);
+   void Expand(int ExpandBy);
+   void Contract(int ContractBy);
+};
+
+// Circle constructor calls base Point constructor first
+Circle::Circle(int InitX, int InitY, int InitRadius) : Point(InitX,InitY)
+{
+   Radius = InitRadius;
+};
+
+void Circle::Show()
+{
+   Visible = true;
+   circle(X, Y, Radius);      // draw the circle using BGI function
+}
+
+void Circle::Hide()
+{
+   if (!Visible) return;      // no need to hide
+   unsigned int TempColor;    // to save current color
+   TempColor = getcolor();    // set to current color
+   setcolor(getbkcolor());    // set drawing color to background
+   Visible = false;
+   circle(X, Y, Radius);      // draw in background color to erase
+   setcolor(TempColor);       // set color back to current color
+};
+
+void Circle::Expand(int ExpandBy)
+{
+   Boolean vis = Visible;  // is current circle visible?
+   if (vis) Hide();        // if so, hide it
+   Radius += ExpandBy;     // expand radius
+   if (Radius < 0)         // avoid negative radius
+      Radius = 0;
+   if (vis) Show();        // draw new circle if previously visible
+};
+
+inline void Circle::Contract(int ContractBy)
+{
+   Expand(-ContractBy);       // redraws with (Radius - ContractBy)
+};
+
+main()                        // test the functions
+{
+   // initialize the graphics system
+   int graphdriver = DETECT, graphmode;
+   initgraph(&graphdriver, &graphmode, "..\\..\\bgi");
+
+   Circle MyCircle(50, 100, 25);    // declare a circle object
+   MyCircle.Show();                 // show it
+   getch();                         // wait for keypress
+   MyCircle.MoveTo(100, 125);       // move the circle (tests hide
+                                    // and show also)
+   getch();
+   MyCircle.Expand(25);             // make it bigger
+   getch();
+   MyCircle.Contract(35);           // make it smaller
+   getch();
+   closegraph();
+   return 0;
+}
+
+