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id_us_1.cpp
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id_us_1.cpp
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//
// ID Engine
// ID_US_1.c - User Manager - General routines
// v1.1d1
// By Jason Blochowiak
// Hacked up for Catacomb 3D
//
//
// This module handles dealing with user input & feedback
//
// Depends on: Input Mgr, View Mgr, some variables from the Sound, Caching,
// and Refresh Mgrs, Memory Mgr for background save/restore
//
// Globals:
// ingame - Flag set by game indicating if a game is in progress
// loadedgame - Flag set if a game was loaded
// PrintX, PrintY - Where the User Mgr will print (global coords)
// WindowX,WindowY,WindowW,WindowH - The dimensions of the current
// window
//
#include "wl_def.h"
#pragma hdrstop
#if _MSC_VER == 1200 // Visual C++ 6
#define vsnprintf _vsnprintf
#endif
// Global variables
word PrintX, PrintY;
word WindowX, WindowY, WindowW, WindowH;
// Internal variables
#define ConfigVersion 1
static boolean US_Started;
void (*USL_MeasureString)(const char*, word*, word*) = VW_MeasurePropString;
void (*USL_DrawString)(const char*) = VWB_DrawPropString;
SaveGame Games[MaxSaveGames];
HighScore Scores[MaxScores] =
{
{"id software-'92",10000,1},
{"Adrian Carmack",10000,1},
{"John Carmack",10000,1},
{"Kevin Cloud",10000,1},
{"Tom Hall",10000,1},
{"John Romero",10000,1},
{"Jay Wilbur",10000,1},
};
int rndindex = 0;
static byte rndtable[] = {
0, 8, 109, 220, 222, 241, 149, 107, 75, 248, 254, 140, 16, 66,
74, 21, 211, 47, 80, 242, 154, 27, 205, 128, 161, 89, 77, 36,
95, 110, 85, 48, 212, 140, 211, 249, 22, 79, 200, 50, 28, 188,
52, 140, 202, 120, 68, 145, 62, 70, 184, 190, 91, 197, 152, 224,
149, 104, 25, 178, 252, 182, 202, 182, 141, 197, 4, 81, 181, 242,
145, 42, 39, 227, 156, 198, 225, 193, 219, 93, 122, 175, 249, 0,
175, 143, 70, 239, 46, 246, 163, 53, 163, 109, 168, 135, 2, 235,
25, 92, 20, 145, 138, 77, 69, 166, 78, 176, 173, 212, 166, 113,
94, 161, 41, 50, 239, 49, 111, 164, 70, 60, 2, 37, 171, 75,
136, 156, 11, 56, 42, 146, 138, 229, 73, 146, 77, 61, 98, 196,
135, 106, 63, 197, 195, 86, 96, 203, 113, 101, 170, 247, 181, 113,
80, 250, 108, 7, 255, 237, 129, 226, 79, 107, 112, 166, 103, 241,
24, 223, 239, 120, 198, 58, 60, 82, 128, 3, 184, 66, 143, 224,
145, 224, 81, 206, 163, 45, 63, 90, 168, 114, 59, 33, 159, 95,
28, 139, 123, 98, 125, 196, 15, 70, 194, 253, 54, 14, 109, 226,
71, 17, 161, 93, 186, 87, 244, 138, 20, 52, 123, 251, 26, 36,
17, 46, 52, 231, 232, 76, 31, 221, 84, 37, 216, 165, 212, 106,
197, 242, 98, 43, 39, 175, 254, 145, 190, 84, 118, 222, 187, 136,
120, 163, 236, 249 };
// Internal routines
// Public routines
///////////////////////////////////////////////////////////////////////////
//
// US_Startup() - Starts the User Mgr
//
///////////////////////////////////////////////////////////////////////////
void US_Startup()
{
if (US_Started)
return;
US_InitRndT(true); // Initialize the random number generator
US_Started = true;
}
///////////////////////////////////////////////////////////////////////////
//
// US_Shutdown() - Shuts down the User Mgr
//
///////////////////////////////////////////////////////////////////////////
void
US_Shutdown(void)
{
if (!US_Started)
return;
US_Started = false;
}
// Window/Printing routines
///////////////////////////////////////////////////////////////////////////
//
// US_SetPrintRoutines() - Sets the routines used to measure and print
// from within the User Mgr. Primarily provided to allow switching
// between masked and non-masked fonts
//
///////////////////////////////////////////////////////////////////////////
void
US_SetPrintRoutines(void (*measure)(const char*, word*, word*),
void (*print)(const char*))
{
USL_MeasureString = measure;
USL_DrawString = print;
}
///////////////////////////////////////////////////////////////////////////
//
// US_Print() - Prints a string in the current window. Newlines are
// supported.
//
///////////////////////////////////////////////////////////////////////////
void
US_Print(const char* sorg)
{
char c;
char* sstart = strdup(sorg);
char* s = sstart;
char* se;
word w, h;
while (*s)
{
se = s;
while ((c = *se) != 0 && (c != '\n'))
se++;
*se = '\0';
USL_MeasureString(s, &w, &h);
px = PrintX;
py = PrintY;
USL_DrawString(s);
s = se;
if (c)
{
*se = c;
s++;
PrintX = WindowX;
PrintY += h;
}
else
PrintX += w;
}
free(sstart);
}
///////////////////////////////////////////////////////////////////////////
//
// US_PrintUnsigned() - Prints an unsigned long
//
///////////////////////////////////////////////////////////////////////////
void
US_PrintUnsigned(longword n)
{
char buffer[32];
sprintf(buffer, "%lu", n);
US_Print(buffer);
}
///////////////////////////////////////////////////////////////////////////
//
// US_PrintSigned() - Prints a signed long
//
///////////////////////////////////////////////////////////////////////////
void
US_PrintSigned(int32_t n)
{
char buffer[32];
sprintf(buffer, "%ld", n);
US_Print(buffer);
}
///////////////////////////////////////////////////////////////////////////
//
// USL_PrintInCenter() - Prints a string in the center of the given rect
//
///////////////////////////////////////////////////////////////////////////
void
USL_PrintInCenter(const char* s, Rect r)
{
word w, h,
rw, rh;
USL_MeasureString(s, &w, &h);
rw = r.lr.x - r.ul.x;
rh = r.lr.y - r.ul.y;
px = r.ul.x + ((rw - w) / 2);
py = r.ul.y + ((rh - h) / 2);
USL_DrawString(s);
}
///////////////////////////////////////////////////////////////////////////
//
// US_PrintCentered() - Prints a string centered in the current window.
//
///////////////////////////////////////////////////////////////////////////
void
US_PrintCentered(const char* s)
{
Rect r;
r.ul.x = WindowX;
r.ul.y = WindowY;
r.lr.x = r.ul.x + WindowW;
r.lr.y = r.ul.y + WindowH;
USL_PrintInCenter(s, r);
}
///////////////////////////////////////////////////////////////////////////
//
// US_CPrintLine() - Prints a string centered on the current line and
// advances to the next line. Newlines are not supported.
//
///////////////////////////////////////////////////////////////////////////
void
US_CPrintLine(const char* s)
{
word w, h;
USL_MeasureString(s, &w, &h);
if (w > WindowW)
Quit("US_CPrintLine() - String exceeds width");
px = WindowX + ((WindowW - w) / 2);
py = PrintY;
USL_DrawString(s);
PrintY += h;
}
///////////////////////////////////////////////////////////////////////////
//
// US_CPrint() - Prints a string centered in the current window.
// Newlines are supported.
//
///////////////////////////////////////////////////////////////////////////
void
US_CPrint(const char* sorg)
{
char c;
char* sstart = strdup(sorg);
char* s = sstart;
char* se;
while (*s)
{
se = s;
while ((c = *se) != 0 && (c != '\n'))
se++;
*se = '\0';
US_CPrintLine(s);
s = se;
if (c)
{
*se = c;
s++;
}
}
free(sstart);
}
///////////////////////////////////////////////////////////////////////////
//
// US_Printf() - Prints a formatted string in the current window.
// Newlines are supported.
//
///////////////////////////////////////////////////////////////////////////
void US_Printf(const char* formatStr, ...)
{
char strbuf[256];
va_list vlist;
va_start(vlist, formatStr);
int len = vsnprintf(strbuf, sizeof(strbuf), formatStr, vlist);
va_end(vlist);
if (len <= -1 || len >= sizeof(strbuf))
strbuf[sizeof(strbuf) - 1] = 0;
US_Print(strbuf);
}
///////////////////////////////////////////////////////////////////////////
//
// US_CPrintf() - Prints a formatted string centered in the current window.
// Newlines are supported.
//
///////////////////////////////////////////////////////////////////////////
void US_CPrintf(const char* formatStr, ...)
{
char strbuf[256];
va_list vlist;
va_start(vlist, formatStr);
int len = vsnprintf(strbuf, sizeof(strbuf), formatStr, vlist);
va_end(vlist);
if (len <= -1 || len >= sizeof(strbuf))
strbuf[sizeof(strbuf) - 1] = 0;
US_CPrint(strbuf);
}
///////////////////////////////////////////////////////////////////////////
//
// US_ClearWindow() - Clears the current window to white and homes the
// cursor
//
///////////////////////////////////////////////////////////////////////////
void
US_ClearWindow(void)
{
VWB_Bar(WindowX, WindowY, WindowW, WindowH, WHITE);
PrintX = WindowX;
PrintY = WindowY;
}
///////////////////////////////////////////////////////////////////////////
//
// US_DrawWindow() - Draws a frame and sets the current window parms
//
///////////////////////////////////////////////////////////////////////////
void
US_DrawWindow(word x, word y, word w, word h)
{
word i,
sx, sy, sw, sh;
WindowX = x * 8;
WindowY = y * 8;
WindowW = w * 8;
WindowH = h * 8;
PrintX = WindowX;
PrintY = WindowY;
sx = (x - 1) * 8;
sy = (y - 1) * 8;
sw = (w + 1) * 8;
sh = (h + 1) * 8;
US_ClearWindow();
VWB_DrawTile8(sx, sy, 0), VWB_DrawTile8(sx, sy + sh, 5);
for (i = sx + 8; i <= sx + sw - 8; i += 8)
VWB_DrawTile8(i, sy, 1), VWB_DrawTile8(i, sy + sh, 6);
VWB_DrawTile8(i, sy, 2), VWB_DrawTile8(i, sy + sh, 7);
for (i = sy + 8; i <= sy + sh - 8; i += 8)
VWB_DrawTile8(sx, i, 3), VWB_DrawTile8(sx + sw, i, 4);
}
///////////////////////////////////////////////////////////////////////////
//
// US_SaveWindow() - Saves the current window parms into a record for
// later restoration
//
///////////////////////////////////////////////////////////////////////////
void
US_SaveWindow(WindowRec* win)
{
win->x = WindowX;
win->y = WindowY;
win->w = WindowW;
win->h = WindowH;
win->px = PrintX;
win->py = PrintY;
}
///////////////////////////////////////////////////////////////////////////
//
// US_RestoreWindow() - Sets the current window parms to those held in the
// record
//
///////////////////////////////////////////////////////////////////////////
void
US_RestoreWindow(WindowRec* win)
{
WindowX = win->x;
WindowY = win->y;
WindowW = win->w;
WindowH = win->h;
PrintX = win->px;
PrintY = win->py;
}
// Input routines
///////////////////////////////////////////////////////////////////////////
//
// USL_XORICursor() - XORs the I-bar text cursor. Used by US_LineInput()
//
///////////////////////////////////////////////////////////////////////////
static void
USL_XORICursor(int x, int y, const char* s, word cursor)
{
static boolean status; // VGA doesn't XOR...
char buf[MaxString];
int temp;
word w, h;
strcpy(buf, s);
buf[cursor] = '\0';
USL_MeasureString(buf, &w, &h);
px = x + w - 1;
py = y;
if (status ^= 1)
USL_DrawString("\x80");
else
{
temp = fontcolor;
fontcolor = backcolor;
USL_DrawString("\x80");
fontcolor = temp;
}
}
char USL_RotateChar(char ch, int dir)
{
static const char charSet[] = " ABCDEFGHIJKLMNOPQRSTUVWXYZ.,-!?0123456789";
const int numChars = sizeof(charSet) / sizeof(char) - 1;
int i;
for (i = 0; i < numChars; i++)
{
if (ch == charSet[i]) break;
}
if (i == numChars) i = 0;
i += dir;
if (i < 0) i = numChars - 1;
else if (i >= numChars) i = 0;
return charSet[i];
}
///////////////////////////////////////////////////////////////////////////
//
// US_LineInput() - Gets a line of user input at (x,y), the string defaults
// to whatever is pointed at by def. Input is restricted to maxchars
// chars or maxwidth pixels wide. If the user hits escape (and escok is
// true), nothing is copied into buf, and false is returned. If the
// user hits return, the current string is copied into buf, and true is
// returned
//
///////////////////////////////////////////////////////////////////////////
boolean
US_LineInput(int x, int y, char* buf, const char* def, boolean escok,
int maxchars, int maxwidth)
{
boolean redraw,
cursorvis, cursormoved,
done, result, checkkey;
ScanCode sc;
char c;
char s[MaxString], olds[MaxString];
int cursor, len;
word i,
w, h,
temp;
longword curtime, lasttime, lastdirtime, lastbuttontime, lastdirmovetime;
ControlInfo ci;
Direction lastdir = dir_None;
if (def)
strcpy(s, def);
else
*s = '\0';
*olds = '\0';
cursor = (int)strlen(s);
cursormoved = redraw = true;
cursorvis = done = false;
lasttime = lastdirtime = lastdirmovetime = GetTimeCount();
lastbuttontime = lasttime + TickBase / 4; // 250 ms => first button press accepted after 500 ms
LastASCII = key_None;
LastScan = sc_None;
while (!done)
{
ReadAnyControl(&ci);
if (cursorvis)
USL_XORICursor(x, y, s, cursor);
sc = LastScan;
LastScan = sc_None;
c = LastASCII;
LastASCII = key_None;
checkkey = true;
curtime = GetTimeCount();
// After each direction change accept the next change after 250 ms and then everz 125 ms
if (ci.dir != lastdir || curtime - lastdirtime > TickBase / 4 && curtime - lastdirmovetime > TickBase / 8)
{
if (ci.dir != lastdir)
{
lastdir = ci.dir;
lastdirtime = curtime;
}
lastdirmovetime = curtime;
switch (ci.dir)
{
case dir_West:
if (cursor)
{
// Remove trailing whitespace if cursor is at end of string
if (s[cursor] == ' ' && s[cursor + 1] == 0)
s[cursor] = 0;
cursor--;
}
cursormoved = true;
checkkey = false;
break;
case dir_East:
if (cursor >= MaxString - 1) break;
if (!s[cursor])
{
USL_MeasureString(s, &w, &h);
if (len >= maxchars || maxwidth && w >= maxwidth) break;
s[cursor] = ' ';
s[cursor + 1] = 0;
}
cursor++;
cursormoved = true;
checkkey = false;
break;
case dir_North:
if (!s[cursor])
{
USL_MeasureString(s, &w, &h);
if (len >= maxchars || maxwidth && w >= maxwidth) break;
s[cursor + 1] = 0;
}
s[cursor] = USL_RotateChar(s[cursor], 1);
redraw = true;
checkkey = false;
break;
case dir_South:
if (!s[cursor])
{
USL_MeasureString(s, &w, &h);
if (len >= maxchars || maxwidth && w >= maxwidth) break;
s[cursor + 1] = 0;
}
s[cursor] = USL_RotateChar(s[cursor], -1);
redraw = true;
checkkey = false;
break;
}
}
if ((int)(curtime - lastbuttontime) > TickBase / 4) // 250 ms
{
if (ci.button0) // acts as return
{
strcpy(buf, s);
done = true;
result = true;
checkkey = false;
}
if (ci.button1 && escok) // acts as escape
{
done = true;
result = false;
checkkey = false;
}
if (ci.button2) // acts as backspace
{
lastbuttontime = curtime;
if (cursor)
{
strcpy(s + cursor - 1, s + cursor);
cursor--;
redraw = true;
}
cursormoved = true;
checkkey = false;
}
}
if (checkkey)
{
switch (sc)
{
case sc_LeftArrow:
if (cursor)
cursor--;
c = key_None;
cursormoved = true;
break;
case sc_RightArrow:
if (s[cursor])
cursor++;
c = key_None;
cursormoved = true;
break;
case sc_Home:
cursor = 0;
c = key_None;
cursormoved = true;
break;
case sc_End:
cursor = (int)strlen(s);
c = key_None;
cursormoved = true;
break;
case sc_Return:
strcpy(buf, s);
done = true;
result = true;
c = key_None;
break;
case sc_Escape:
if (escok)
{
done = true;
result = false;
}
c = key_None;
break;
case sc_BackSpace:
if (cursor)
{
strcpy(s + cursor - 1, s + cursor);
cursor--;
redraw = true;
}
c = key_None;
cursormoved = true;
break;
case sc_Delete:
if (s[cursor])
{
strcpy(s + cursor, s + cursor + 1);
redraw = true;
}
c = key_None;
cursormoved = true;
break;
case SDLK_KP_5: //0x4c: // Keypad 5 // TODO: hmmm...
case sc_UpArrow:
case sc_DownArrow:
case sc_PgUp:
case sc_PgDn:
case sc_Insert:
c = key_None;
break;
}
if (c)
{
len = (int)strlen(s);
USL_MeasureString(s, &w, &h);
if (isprint(c) && (len < MaxString - 1) && ((!maxchars) || (len < maxchars))
&& ((!maxwidth) || (w < maxwidth)))
{
for (i = len + 1; i > cursor; i--)
s[i] = s[i - 1];
s[cursor++] = c;
redraw = true;
}
}
}
if (redraw)
{
px = x;
py = y;
temp = fontcolor;
fontcolor = backcolor;
USL_DrawString(olds);
fontcolor = (byte)temp;
strcpy(olds, s);
px = x;
py = y;
USL_DrawString(s);
redraw = false;
}
if (cursormoved)
{
cursorvis = false;
lasttime = curtime - TickBase;
cursormoved = false;
}
if (curtime - lasttime > TickBase / 2) // 500 ms
{
lasttime = curtime;
cursorvis ^= true;
}
else SDL_Delay(5);
if (cursorvis)
USL_XORICursor(x, y, s, cursor);
VW_UpdateScreen();
}
if (cursorvis)
USL_XORICursor(x, y, s, cursor);
if (!result)
{
px = x;
py = y;
USL_DrawString(olds);
}
VW_UpdateScreen();
IN_ClearKeysDown();
return(result);
}
///////////////////////////////////////////////////////////////////////////
//
// US_InitRndT - Initializes the pseudo random number generator.
// If randomize is true, the seed will be initialized depending on the
// current time
//
///////////////////////////////////////////////////////////////////////////
void US_InitRndT(int randomize)
{
if (randomize)
rndindex = (SDL_GetTicks() >> 4) & 0xff;
else
rndindex = 0;
}
///////////////////////////////////////////////////////////////////////////
//
// US_RndT - Returns the next 8-bit pseudo random number
//
///////////////////////////////////////////////////////////////////////////
int US_RndT()
{
rndindex = (rndindex + 1) & 0xff;
return rndtable[rndindex];
}