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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 "dreamweb/dreamweb.h"
namespace DreamGen {
void DreamBase::printBoth(const Frame *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 DreamBase::getNextWord(const Frame *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 = engine->modifyChar(firstChar);
if (firstChar != 255) {
uint8 secondChar = *string;
uint8 width = charSet[firstChar - 32 + data.word(kCharshift)].width;
width = kernChars(firstChar, secondChar, width);
*totalWidth += width;
}
}
}
void DreamBase::printChar(const Frame *charSet, uint16* x, uint16 y, uint8 c, uint8 nextChar, uint8 *width, uint8 *height) {
if (c == 255)
return;
uint8 dummyWidth, dummyHeight;
if (width == NULL)
width = &dummyWidth;
if (height == NULL)
height = &dummyHeight;
if (data.byte(kForeignrelease))
y -= 3;
uint16 tmp = c - 32 + data.word(kCharshift);
showFrame(charSet, *x, y, tmp & 0x1ff, (tmp >> 8) & 0xfe, width, height);
if (data.byte(kKerning), 0)
*width = kernChars(c, nextChar, *width);
(*x) += *width;
}
void DreamBase::printChar(const Frame *charSet, uint16 x, uint16 y, uint8 c, uint8 nextChar, uint8 *width, uint8 *height) {
printChar(charSet, &x, y, c, nextChar, width, height);
}
uint8 DreamBase::printSlow(const uint8 *string, uint16 x, uint16 y, uint8 maxWidth, bool centered) {
data.byte(kPointerframe) = 1;
data.byte(kPointermode) = 3;
const Frame* charSet = (const Frame *)getSegment(data.word(kCharset1)).ptr(0, 0);
do {
uint16 offset = x;
uint16 charCount = getNumber(charSet, string, maxWidth, centered, &offset);
do {
uint8 c0 = string[0];
uint8 c1 = string[1];
uint8 c2 = string[2];
c0 = engine->modifyChar(c0);
printBoth(charSet, &offset, y, c0, c1);
if ((c1 == 0) || (c1 == ':')) {
return 0;
}
if (charCount != 1) {
c1 = engine->modifyChar(c1);
data.word(kCharshift) = 91;
uint16 offset2 = offset;
printBoth(charSet, &offset2, y, c1, c2);
data.word(kCharshift) = 0;
for (int i=0; i<2; ++i) {
uint16 mouseState = waitFrames();
if (data.byte(kQuitrequested))
return 0;
if (mouseState == 0)
continue;
if (mouseState != data.word(kOldbutton)) {
return 1;
}
}
}
++string;
--charCount;
} while (charCount);
y += 10;
} while (true);
}
void DreamGenContext::printDirect() {
uint16 y = bx;
uint16 initialSi = si;
const uint8 *initialString = es.ptr(si, 0);
const uint8 *string = initialString;
al = DreamBase::printDirect(&string, di, &y, dl, (bool)(dl & 1));
si = initialSi + (string - initialString);
bx = y;
}
uint8 DreamBase::printDirect(const uint8* string, uint16 x, uint16 y, uint8 maxWidth, bool centered) {
return printDirect(&string, x, &y, maxWidth, centered);
}
uint8 DreamBase::printDirect(const uint8** string, uint16 x, uint16 *y, uint8 maxWidth, bool centered) {
data.word(kLastxpos) = x;
const Frame *charSet = engine->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 = engine->modifyChar(c);
uint8 width, height;
printChar(charSet, &i, *y, c, nextChar, &width, &height);
data.word(kLastxpos) = i;
--charCount;
} while(charCount);
*y += data.word(kLinespacing);
}
}
uint8 DreamBase::getNumber(const Frame *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 DreamBase::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 DreamBase::waitFrames() {
readMouse();
showPointer();
vSync();
dumpPointer();
delPointer();
return data.word(kMousebutton);
}
void DreamGenContext::monPrint() {
uint16 originalBx = bx;
const char *string = (const char *)es.ptr(bx, 0);
const char *nextString = monPrint(string);
bx = originalBx + (nextString - string);
}
const char *DreamBase::monPrint(const char *string) {
data.byte(kKerning) = 1;
uint16 x = data.word(kMonadx);
Frame *charset = engine->tempCharset();
const char *iterator = string;
bool done = false;
while (!done) {
uint16 count = getNumber(charset, (const uint8 *)iterator, 166, false, &x);
do {
char c = *iterator++;
if (c == ':')
break;
if ((c == 0) || (c == '"') || (c == '=')) {
done = true;
break;
}
if (c == '%') {
data.byte(kLasttrigger) = *iterator;
iterator += 2;
done = true;
break;
}
c = engine->modifyChar(c);
printChar(charset, &x, data.word(kMonady), c, 0, NULL, NULL);
data.word(kCurslocx) = x;
data.word(kCurslocy) = data.word(kMonady);
data.word(kMaintimer) = 1;
printCurs();
vSync();
lockMon();
delCurs();
} while (--count);
x = data.word(kMonadx);
scrollMonitor();
data.word(kCurslocx) = data.word(kMonadx);
}
data.byte(kKerning) = 0;
return iterator;
}
} // End of namespace DreamGen
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