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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/frotz/processor.h"
#include "glk/frotz/frotz.h"
#include "glk/events.h"
namespace Glk {
namespace Frotz {
void Processor::screen_mssg_on() {
if (gos_curwin == _wp._lower) {
oldstyle = curstyle;
glk_set_style(style_Preformatted);
glk_put_string("\n ");
}
}
void Processor::screen_mssg_off() {
if (gos_curwin == _wp._lower) {
glk_put_char('\n');
zargs[0] = 0;
z_set_text_style();
zargs[0] = oldstyle;
z_set_text_style();
}
}
static const uint32 zchar_runes[] = {
// This mapping is based on the Amiga font in the Z-Machine
// specification, with some liberties taken.
0x16AA, // RUNIC LETTER AC A
0x16D2, // RUNIC LETTER BERKANAN BEORC BJARKAN B
0x16C7, // RUNIC LETTER IWAZ EOH
0x16D1, // RUNIC LETTER DAGAZ DAEG D
0x16D6, // RUNIC LETTER EHWAZ EH E
0x16A0, // RUNIC LETTER FEHU FEOH FE F
0x16B7, // RUNIC LETTER GEBO GYFU G
0x16BB, // RUNIC LETTER HAEGL H
0x16C1, // RUNIC LETTER ISAZ IS ISS I
0x16C4, // RUNIC LETTER GER
0x16E6, // RUNIC LETTER LONG-BRANCH-YR
0x16DA, // RUNIC LETTER LAUKAZ LAGU LOGR L
0x16D7, // RUNIC LETTER MANNAZ MAN M
0x16BE, // RUNIC LETTER NAUDIZ NYD NAUD N
0x16A9, // RUNIC LETTER OS O
0x16C8, // RUNIC LETTER PERTHO PEORTH P
0x16B3, // RUNIC LETTER CEN
0x16B1, // RUNIC LETTER RAIDO RAD REID R
0x16CB, // RUNIC LETTER SIGEL LONG-BRANCH-SOL S
0x16CF, // RUNIC LETTER TIWAZ TIR TYR T
0x16A2, // RUNIC LETTER URUZ UR U
0x16E0, // RUNIC LETTER EAR
0x16B9, // RUNIC LETTER WUNJO WYNN W
0x16C9, // RUNIC LETTER ALGIZ EOLHX
0x16A5, // RUNIC LETTER W
0x16DF // RUNIC LETTER OTHALAN ETHEL O
};
uint32 Processor::zchar_to_unicode_rune(zchar c) {
// There are only runic characters for a-z. Some versions of Beyond
// Zork will render the conversation between Prince Foo and the black
// rider in runic script, even though it contained upper case letters.
// This produced an ugly mix of runes and map-drawing characters, etc.
// which is probably why it was removed in later versions.
//
// Still, it's probably a good idea to convert the upper case letters
// to lower case to get an appropriate rune. As far as I can tell, the
// upper case letters are all used for drawing maps and progress bars.
// I don't think they're ever intended for the lower window.
//
// Apart from the runes, the arrow glyphs could perhaps also be
// sensibly converted to Unicode?
if (c >= 'a' && c <= 'z')
return zchar_runes[c - 'a'];
else if (c >= 'A' && c <= 'Z')
return zchar_runes[c - 'A'];
else
return 0;
}
void Processor::screen_char(zchar c) {
if (gos_linepending && (gos_curwin == gos_linewin)) {
gos_cancel_pending_line();
if (gos_curwin == _wp._upper) {
curx = 1;
cury ++;
}
if (c == '\n')
return;
}
// check fixed flag in header, game can change it at whim
int forcefix = ((h_flags & FIXED_FONT_FLAG) != 0);
int curfix = ((curstyle & FIXED_WIDTH_STYLE) != 0);
if (forcefix && !curfix) {
zargs[0] = 0xf000; // tickle tickle!
z_set_text_style();
fixforced = true;
} else if (!forcefix && fixforced) {
zargs[0] = 0xf000; // tickle tickle!
z_set_text_style();
fixforced = false;
}
if (_wp._upper && gos_curwin == _wp._upper) {
if (c == '\n' || c == ZC_RETURN) {
glk_put_char('\n');
curx = 1;
cury ++;
} else {
if (cury == 1) {
if (curx <= (int)((sizeof statusline / sizeof(zchar)) - 1)) {
statusline[curx - 1] = c;
statusline[curx] = 0;
}
if (curx < h_screen_cols) {
glk_put_char_uni(c);
} else if (curx == h_screen_cols) {
glk_put_char_uni(c);
glk_window_move_cursor(gos_curwin, curx-1, cury-1);
} else {
smartstatusline();
}
curx++;
} else {
if (curx < h_screen_cols) {
glk_put_char_uni(c);
} else if (curx == (h_screen_cols)) {
glk_put_char_uni(c);
glk_window_move_cursor(gos_curwin, curx-1, cury-1);
}
curx++;
}
}
} else if (gos_curwin == _wp._lower) {
if (c == ZC_RETURN)
glk_put_char('\n');
else {
if (curr_font == GRAPHICS_FONT) {
uint32 runic_char = zchar_to_unicode_rune(c);
if (runic_char != 0) {
glk_set_style(style_User2);
glk_put_char_uni(runic_char);
glk_set_style(style_User1);
} else
glk_put_char_uni(c);
} else
glk_put_char_uni(c);
}
}
}
void Processor::screen_new_line() {
screen_char('\n');
}
void Processor::screen_word(const zchar *s) {
zchar c;
while ((c = *s++) != 0) {
if (c == ZC_NEW_FONT)
s++;
else if (c == ZC_NEW_STYLE)
s++;
else
screen_char(c);
}
}
void Processor::z_buffer_mode() {
// No implementation
}
void Processor::z_buffer_screen() {
store(0);
}
void Processor::z_erase_line() {
int i;
if (_wp._upper && gos_curwin == _wp._upper) {
for (i = 0; i < h_screen_cols + 1 - curx; i++)
glk_put_char(' ');
glk_window_move_cursor(gos_curwin, curx - 1, cury - 1);
}
}
void Processor::z_erase_window() {
short w = zargs[0];
if (w == -2) {
if (_wp._upper) {
glk_set_window(_wp._upper);
#ifdef GARGLK
garglk_set_zcolors(curr_fg, curr_bg);
#endif /* GARGLK */
glk_window_clear(_wp._upper);
glk_set_window(gos_curwin);
}
glk_window_clear(_wp._lower);
}
if (w == -1) {
if (_wp._upper) {
glk_set_window(_wp._upper);
#ifdef GARGLK
garglk_set_zcolors(curr_fg, curr_bg);
#endif /* GARGLK */
glk_window_clear(_wp._upper);
}
glk_window_clear(_wp._lower);
split_window(0);
glk_set_window(_wp._lower);
gos_curwin = _wp._lower;
}
if (w >= 0 && _wp[w])
glk_window_clear(_wp[w]);
}
void Processor::z_get_cursor() {
storew((zword)(zargs[0] + 0), cury);
storew((zword)(zargs[0] + 2), curx);
}
void Processor::z_print_table() {
zword addr = zargs[0];
zword xs = curx;
int i, j;
zbyte c;
// Supply default arguments
if (zargc < 3)
zargs[2] = 1;
if (zargc < 4)
zargs[3] = 0;
// Write text in width x height rectangle
for (i = 0; i < zargs[2]; i++, curx = xs, cury++) {
glk_window_move_cursor(_wp[cwin], xs - 1, cury - 1);
for (j = 0; j < zargs[1]; j++) {
LOW_BYTE(addr, c);
addr++;
print_char(c);
}
addr += zargs[3];
}
}
#define zB(i) ((((i >> 10) & 0x1F) << 3) | (((i >> 10) & 0x1F) >> 2))
#define zG(i) ((((i >> 5) & 0x1F) << 3) | (((i >> 5) & 0x1F) >> 2))
#define zR(i) ((((i ) & 0x1F) << 3) | (((i ) & 0x1F) >> 2))
#define zRGB(i) _screen->format.RGBToColor(zR(i), zG(i), zB(i))
void Processor::z_set_true_colour() {
int zfore = zargs[0];
int zback = zargs[1];
if (!(zfore < 0))
zfore = zRGB(zargs[0]);
if (!(zback < 0))
zback = zRGB(zargs[1]);
#ifdef GARGLK
garglk_set_zcolors(zfore, zback);
#endif /* GARGLK */
curr_fg = (uint)zfore;
curr_bg = (uint)zback;
}
static const int zcolor_map[] = {
-2, ///< 0 = current
-1, ///< 1 = default
0x0000, ///< 2 = black
0x001D, ///< 3 = red
0x0340, ///< 4 = green
0x03BD, ///< 5 = yellow
0x59A0, ///< 6 = blue
0x7C1F, ///< 7 = magenta
0x77A0, ///< 8 = cyan
0x7FFF, ///< 9 = white
0x5AD6, ///< 10 = light grey
0x4631, ///< 11 = medium grey
0x2D6B, ///< 12 = dark grey
};
#define zcolor_NUMCOLORS (13)
void Processor::z_set_colour() {
int zfore = zargs[0];
int zback = zargs[1];
switch (zfore) {
case -1:
case 0:
case 1:
zfore = zcolor_map[zfore];
break;
default:
if (zfore < zcolor_NUMCOLORS)
zfore = zRGB(zcolor_map[zfore]);
break;
}
switch (zback) {
case -1:
case 0:
case 1:
zback = zcolor_map[zback];
break;
default:
if (zback < zcolor_NUMCOLORS)
zback = zRGB(zcolor_map[zback]);
break;
}
garglk_set_zcolors(zfore, zback);
curr_fg = zfore;
curr_bg = zback;
}
void Processor::z_set_font() {
zword font = zargs[0];
switch (font) {
case PREVIOUS_FONT:
// previous font
temp_font = curr_font;
curr_font = prev_font;
prev_font = temp_font;
zargs[0] = 0xf000; // tickle tickle!
z_set_text_style();
store(curr_font);
break;
case TEXT_FONT:
case GRAPHICS_FONT:
case FIXED_WIDTH_FONT:
prev_font = curr_font;
curr_font = font;
zargs[0] = 0xf000; // tickle tickle!
z_set_text_style();
store(prev_font);
break;
case PICTURE_FONT: // picture font, undefined per 1.1
default: // unavailable
store(0);
break;
}
}
void Processor::z_set_cursor() {
int x = (int16)zargs[1], y = (int16)zargs[0];
assert(_wp._upper);
flush_buffer();
if (y < 0) {
// Cursor on/off
if (y == -2)
g_vm->_events->showMouseCursor(true);
else if (y == -1)
g_vm->_events->showMouseCursor(false);
return;
}
if (!x || !y) {
winid_t win = _wp._upper;
Point cursorPos = win->getCursor();
if (!x)
x = cursorPos.x;
if (!y)
y = cursorPos.y;
}
curx = x;
cury = y;
if (cury > mach_status_ht) {
mach_status_ht = cury;
reset_status_ht();
}
glk_window_move_cursor(_wp._upper, curx - 1, cury - 1);
}
void Processor::z_set_text_style() {
int style;
if (zargs[0] == 0)
curstyle = 0;
else if (zargs[0] != 0xf000)
// not tickle time
curstyle |= zargs[0];
if (h_flags & FIXED_FONT_FLAG || curr_font == FIXED_WIDTH_FONT || curr_font == GRAPHICS_FONT)
style = curstyle | FIXED_WIDTH_STYLE;
else
style = curstyle;
if (gos_linepending && gos_curwin == gos_linewin)
return;
if (style & REVERSE_STYLE) {
#ifdef GARGLK
garglk_set_reversevideo(true);
#endif /* GARGLK */
}
if (style & FIXED_WIDTH_STYLE) {
if (curr_font == GRAPHICS_FONT)
glk_set_style(style_User1); // character graphics
else if (style & BOLDFACE_STYLE && style & EMPHASIS_STYLE)
glk_set_style(style_BlockQuote); // monoz
else if (style & EMPHASIS_STYLE)
glk_set_style(style_Alert); // monoi
else if (style & BOLDFACE_STYLE)
glk_set_style(style_Subheader); // monob
else
glk_set_style(style_Preformatted); // monor
} else {
if (style & BOLDFACE_STYLE && style & EMPHASIS_STYLE)
glk_set_style(style_Note); // propz
else if (style & EMPHASIS_STYLE)
glk_set_style(style_Emphasized); // propi
else if (style & BOLDFACE_STYLE)
glk_set_style(style_Header); // propb
else
glk_set_style(style_Normal); // propr
}
if (curstyle == 0) {
#ifdef GARGLK
garglk_set_reversevideo(false);
#endif /* GARGLK */
}
}
void Processor::z_set_window() {
cwin = zargs[0];
if (cwin == 0) {
glk_set_window(_wp._lower);
gos_curwin = _wp._lower;
} else {
if (_wp._upper)
glk_set_window(_wp._upper);
gos_curwin = _wp._upper;
}
if (cwin == 0)
enable_scripting = true;
else
enable_scripting = false;
zargs[0] = 0xf000; // tickle tickle!
z_set_text_style();
}
void Processor::pad_status_line(int column) {
int spaces;
spaces = (h_screen_cols + 1 - curx) - column;
while (spaces-- > 0)
print_char(' ');
}
void Processor::z_show_status() {
zword global0;
zword global1;
zword global2;
zword addr;
bool brief = false;
if (!_wp._upper)
return;
// One V5 game (Wishbringer Solid Gold) contains this opcode by accident,
// so just return if the version number does not fit
if (h_version >= V4)
return;
// Read all relevant global variables from the memory of the Z-machine
// into local variables
addr = h_globals;
LOW_WORD(addr, global0);
addr += 2;
LOW_WORD(addr, global1);
addr += 2;
LOW_WORD(addr, global2);
// Move to top of the status window, and print in reverse style.
glk_set_window(_wp._upper);
gos_curwin = _wp._upper;
#ifdef GARGLK
garglk_set_reversevideo(true);
#endif /* GARGLK */
curx = cury = 1;
glk_window_move_cursor(_wp._upper, 0, 0);
// If the screen width is below 55 characters then we have to use
// the brief status line format
if (h_screen_cols < 55)
brief = true;
// Print the object description for the global variable 0
print_char (' ');
print_object (global0);
// A header flag tells us whether we have to display the current
// time or the score/moves information
if (h_config & CONFIG_TIME) {
// print hours and minutes
zword hours = (global1 + 11) % 12 + 1;
pad_status_line (brief ? 15 : 20);
print_string ("Time: ");
if (hours < 10)
print_char (' ');
print_num (hours);
print_char (':');
if (global2 < 10)
print_char ('0');
print_num (global2);
print_char (' ');
print_char ((global1 >= 12) ? 'p' : 'a');
print_char ('m');
} else {
// print score and moves
pad_status_line (brief ? 15 : 30);
print_string (brief ? "S: " : "Score: ");
print_num (global1);
pad_status_line (brief ? 8 : 14);
print_string (brief ? "M: " : "Moves: ");
print_num (global2);
}
// Pad the end of the status line with spaces
pad_status_line (0);
// Return to the lower window
glk_set_window(_wp._lower);
gos_curwin = _wp._lower;
}
void Processor::z_split_window() {
split_window(zargs[0]);
}
} // End of namespace Frotz
} // End of namespace Glk
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