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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"
namespace Gargoyle {
namespace Frotz {
#define INPUT_BUFFER_SIZE 200
bool Processor::read_yes_or_no(const char *s) {
zchar key;
print_string(s);
print_string("? (y/n) >");
key = stream_read_key(0, 0, false);
if (key == 'y' || key == 'Y') {
print_string("y\n");
return true;
} else {
print_string("n\n");
return false;
}
}
void Processor::read_string(int max, zchar *buffer) {
zchar key;
buffer[0] = 0;
do {
key = stream_read_input(max, buffer, 0, 0, false, false);
} while (key != ZC_RETURN);
}
bool Processor::is_terminator(zchar key) {
if (key == ZC_TIME_OUT)
return true;
if (key == ZC_RETURN)
return true;
if (key >= ZC_HKEY_MIN && key <= ZC_HKEY_MAX)
return true;
if (h_terminating_keys != 0) {
if (key >= ZC_ARROW_MIN && key <= ZC_MENU_CLICK) {
zword addr = h_terminating_keys;
zbyte c;
do {
LOW_BYTE(addr, c);
if (c == 255 || key == translate_from_zscii(c))
return true;
addr++;
} while (c != 0);
}
}
return false;
}
void Processor::z_make_menu() {
// This opcode was only used for the Macintosh version of Journey.
// It controls menus with numbers greater than 2 (menus 0, 1 and 2
// are system menus).
branch(false);
}
int Processor::read_number() {
zchar buffer[6];
int value = 0;
int i;
read_string(5, buffer);
for (i = 0; buffer[i] != 0; i++)
if (buffer[i] >= '0' && buffer[i] <= '9')
value = 10 * value + buffer[i] - '0';
return value;
}
void Processor::z_read() {
zchar buffer[INPUT_BUFFER_SIZE];
zword addr;
zchar key;
zbyte max, size;
zbyte c;
int i;
// Supply default arguments
if (zargc < 3)
zargs[2] = 0;
// Get maximum input size
addr = zargs[0];
LOW_BYTE(addr, max);
if (h_version <= V4)
max--;
if (max >= INPUT_BUFFER_SIZE)
max = INPUT_BUFFER_SIZE - 1;
// Get initial input size
if (h_version >= V5) {
addr++;
LOW_BYTE(addr, size);
} else {
size = 0;
}
// Copy initial input to local buffer
for (i = 0; i < size; i++) {
addr++;
LOW_BYTE(addr, c);
buffer[i] = translate_from_zscii(c);
}
buffer[i] = 0;
// Draw status line for V1 to V3 games
if (h_version <= V3)
z_show_status();
// Read input from current input stream
key = stream_read_input(
max, buffer, // buffer and size
zargs[2], // timeout value
zargs[3], // timeout routine
false, // enable hot keys
h_version == V6 // no script in V6
);
if (key == ZC_BAD)
return;
// Perform save_undo for V1 to V4 games
if (h_version <= V4)
save_undo();
// Copy local buffer back to dynamic memory
for (i = 0; buffer[i] != 0; i++) {
if (key == ZC_RETURN) {
buffer[i] = unicode_tolower (buffer[i]);
}
storeb((zword) (zargs[0] + ((h_version <= V4) ? 1 : 2) + i), translate_to_zscii (buffer[i]));
}
// Add null character (V1-V4) or write input length into 2nd byte
if (h_version <= V4)
storeb((zword) (zargs[0] + 1 + i), 0);
else
storeb((zword) (zargs[0] + 1), i);
// Tokenise line if a token buffer is present
if (key == ZC_RETURN && zargs[1] != 0)
tokenise_line (zargs[0], zargs[1], 0, false);
// Store key
if (h_version >= V5)
store(translate_to_zscii(key));
}
void Processor::z_read_char() {
zchar key;
// Supply default arguments
if (zargc < 2)
zargs[1] = 0;
// Read input from the current input stream
key = stream_read_key(
zargs[1], // timeout value
zargs[2], // timeout routine
false // enable hot keys
);
if (key == ZC_BAD)
return;
// Store key
store (translate_to_zscii (key));
}
void Processor::z_read_mouse(){
zword btn;
// Read the mouse position, the last menu click and which buttons are down
btn = os_read_mouse();
hx_mouse_y = mouse_y;
hx_mouse_x = mouse_x;
storew((zword) (zargs[0] + 0), hx_mouse_y);
storew((zword) (zargs[0] + 2), hx_mouse_x);
storew((zword) (zargs[0] + 4), btn); // mouse button bits
storew((zword) (zargs[0] + 6), menu_selected); // menu selection
}
} // End of namespace Scott
} // End of namespace Gargoyle
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