scummvm/engines/dreamweb/print.cpp
2014-02-18 02:39:34 +01:00

342 lines
8.7 KiB
C++

/* 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 "dreamweb/sound.h"
#include "dreamweb/dreamweb.h"
namespace DreamWeb {
void DreamWebEngine::printBoth(const GraphicsFile &charSet, uint16 *x, uint16 y, uint8 c, uint8 nextChar) {
uint16 newX = *x;
uint8 width, height;
printChar(charSet, &newX, y, c, nextChar, &width, &height);
multiDump(*x, y, width, height);
*x = newX;
}
uint8 DreamWebEngine::getNextWord(const GraphicsFile &charSet, const uint8 *string, uint8 *totalWidth, uint8 *charCount) {
*totalWidth = 0;
*charCount = 0;
while (true) {
uint8 firstChar = *string;
++string;
++*charCount;
if ((firstChar == ':') || (firstChar == 0)) { //endall
*totalWidth += 6;
return 1;
}
if (firstChar == 32) { //endword
*totalWidth += 6;
return 0;
}
firstChar = modifyChar(firstChar);
// WORKAROUND: Also filter out invalid characters here (refer to the
// workaround in printChar() below for more info).
if (firstChar >= 32 && firstChar != 255) {
uint8 secondChar = *string;
uint8 width = charSet._frames[firstChar - 32 + _charShift].width;
width = kernChars(firstChar, secondChar, width);
*totalWidth += width;
}
}
}
void DreamWebEngine::printChar(const GraphicsFile &charSet, uint16* x, uint16 y, uint8 c, uint8 nextChar, uint8 *width, uint8 *height) {
// WORKAROUND: Some texts contain leftover tab characters, which will cause
// OOB memory access when showing a character, as all the printable ones are
// from 32 onwards. We compensate for that here by ignoring all the invalid
// characters (0 - 31).
if (c < 32 || c == 255)
return;
uint8 dummyWidth, dummyHeight;
if (width == NULL)
width = &dummyWidth;
if (height == NULL)
height = &dummyHeight;
if (_foreignRelease)
y -= 3;
uint16 tmp = c - 32 + _charShift;
showFrame(charSet, *x, y, tmp & 0x1ff, (tmp >> 8) & 0xfe, width, height);
if (_kerning == 0)
*width = kernChars(c, nextChar, *width);
(*x) += *width;
}
void DreamWebEngine::printChar(const GraphicsFile &charSet, uint16 x, uint16 y, uint8 c, uint8 nextChar, uint8 *width, uint8 *height) {
printChar(charSet, &x, y, c, nextChar, width, height);
}
uint8 DreamWebEngine::printSlow(const uint8 *string, uint16 x, uint16 y, uint8 maxWidth, bool centered) {
_pointerFrame = 1;
_pointerMode = 3;
do {
uint16 offset = x;
uint16 charCount = getNumber(_charset1, string, maxWidth, centered, &offset);
do {
uint8 c0 = string[0];
uint8 c1 = string[1];
uint8 c2 = string[2];
c0 = modifyChar(c0);
printBoth(_charset1, &offset, y, c0, c1);
if ((c1 == 0) || (c1 == ':')) {
return 0;
}
if (charCount != 1) {
c1 = modifyChar(c1);
_charShift = 91;
uint16 offset2 = offset;
printBoth(_charset1, &offset2, y, c1, c2);
_charShift = 0;
for (int i=0; i<2; ++i) {
uint16 mouseState = waitFrames();
if (_quitRequested)
return 0;
if (mouseState == 0)
continue;
if (mouseState != _oldButton) {
return 1;
}
}
}
++string;
--charCount;
} while (charCount);
y += 10;
} while (true);
}
uint8 DreamWebEngine::printDirect(const uint8* string, uint16 x, uint16 y, uint8 maxWidth, bool centered) {
return printDirect(&string, x, &y, maxWidth, centered);
}
uint8 DreamWebEngine::printDirect(const uint8** string, uint16 x, uint16 *y, uint8 maxWidth, bool centered) {
_lastXPos = x;
const GraphicsFile &charSet = *_currentCharset;
while (true) {
uint16 offset = x;
uint8 charCount = getNumber(charSet, *string, maxWidth, centered, &offset);
uint16 i = offset;
do {
uint8 c = (*string)[0];
uint8 nextChar = (*string)[1];
++(*string);
if ((c == 0) || (c == ':')) {
return c;
}
c = modifyChar(c);
uint8 width, height;
printChar(charSet, &i, *y, c, nextChar, &width, &height);
_lastXPos = i;
--charCount;
} while (charCount);
*y += _lineSpacing;
}
}
uint8 DreamWebEngine::getNumber(const GraphicsFile &charSet, const uint8 *string, uint16 maxWidth, bool centered, uint16* offset) {
uint8 totalWidth = 0;
uint8 charCount = 0;
while (true) {
uint8 wordTotalWidth, wordCharCount;
uint8 done = getNextWord(charSet, string, &wordTotalWidth, &wordCharCount);
string += wordCharCount;
uint16 tmp = totalWidth + wordTotalWidth - 10;
if (done == 1) { //endoftext
if (tmp < maxWidth) {
totalWidth += wordTotalWidth;
charCount += wordCharCount;
}
if (centered) {
tmp = (maxWidth & 0xfe) + 2 + 20 - totalWidth;
tmp /= 2;
} else {
tmp = 0;
}
*offset += tmp;
return charCount;
}
if (tmp >= maxWidth) { //gotoverend
if (centered) {
tmp = (maxWidth & 0xfe) - totalWidth + 20;
tmp /= 2;
} else {
tmp = 0;
}
*offset += tmp;
return charCount;
}
totalWidth += wordTotalWidth;
charCount += wordCharCount;
}
}
uint8 DreamWebEngine::kernChars(uint8 firstChar, uint8 secondChar, uint8 width) {
if ((firstChar == 'a') || (firstChar == 'u')) {
if ((secondChar == 'n') || (secondChar == 't') || (secondChar == 'r') || (secondChar == 'i') || (secondChar == 'l'))
return width-1;
}
return width;
}
uint16 DreamWebEngine::waitFrames() {
readMouse();
showPointer();
waitForVSync();
dumpPointer();
delPointer();
return _mouseButton;
}
const char *DreamWebEngine::monPrint(const char *string) {
_kerning = 1;
uint16 x = _monAdX;
const char *iterator = string;
bool done = false;
while (!done) {
uint16 count = getNumber(_monitorCharset, (const uint8 *)iterator, 166, false, &x);
do {
char c = *iterator++;
if (c == ':')
break;
if ((c == 0) || (c == '"') || (c == '=')) {
done = true;
break;
}
if (c == '%') {
_vars._lastTrigger = *iterator;
iterator += 2;
done = true;
break;
}
c = modifyChar(c);
printChar(_monitorCharset, &x, _monAdY, c, 0, NULL, NULL);
_cursLocX = x;
_cursLocY = _monAdY;
_mainTimer = 1;
printCurs();
waitForVSync();
lockMon();
delCurs();
} while (--count);
x = _monAdX;
scrollMonitor();
_cursLocX = _monAdX;
}
_kerning = 0;
return iterator;
}
void DreamWebEngine::rollEndCreditsGameWon() {
_sound->playChannel0(16, 255);
_sound->volumeSet(7);
_sound->volumeChange(0, -1);
multiGet(_mapStore, 75, 20, 160, 160);
const uint8 *string = getTextInFile1(3);
const int linespacing = _lineSpacing;
for (int i = 0; i < 254; ++i) {
// Output the text, initially with an offset of 10 pixels,
// then move it up one pixel until we shifted it by a complete
// line of text.
for (int j = 0; j < linespacing; ++j) {
waitForVSync();
multiPut(_mapStore, 75, 20, 160, 160);
waitForVSync();
// Output up to 18 lines of text
uint16 y = 10 - j;
const uint8 *tmp_str = string;
for (int k = 0; k < 18; ++k) {
printDirect(&tmp_str, 75, &y, 160 + 1, true);
y += linespacing;
}
waitForVSync();
multiDump(75, 20, 160, 160);
}
// Skip to the next text line
byte c;
do {
c = *string++;
} while (c != ':' && c != 0);
}
hangOn(100);
panelToMap();
fadeScreenUpHalf();
}
void DreamWebEngine::rollEndCreditsGameLost() {
multiGet(_mapStore, 25, 20, 160, 160);
const uint8 *string = getTextInFile1(49);
const int linespacing = _lineSpacing;
for (int i = 0; i < 80; ++i) {
// Output the text, initially with an offset of 10 pixels,
// then move it up one pixel until we shifted it by a complete
// line of text.
for (int j = 0; j < linespacing; ++j) {
waitForVSync();
multiPut(_mapStore, 25, 20, 160, 160);
waitForVSync();
// Output up to 18 lines of text
uint16 y = 10 - j;
const uint8 *tmp_str = string;
for (int k = 0; k < 18; ++k) {
printDirect(&tmp_str, 25, &y, 160 + 1, true);
y += linespacing;
}
waitForVSync();
multiDump(25, 20, 160, 160);
if (_lastHardKey == Common::KEYCODE_ESCAPE)
return;
}
// Skip to the next text line
byte c;
do {
c = *string++;
} while (c != ':' && c != 0);
if (_lastHardKey == Common::KEYCODE_ESCAPE)
return;
}
hangOne(120);
}
} // End of namespace DreamWeb