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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 "common/rect.h"
#include "common/system.h"
#include "chewy/resource.h"
#include "chewy/text.h"
namespace Chewy {
Text::Text() : Resource("atds.tap") {
}
Text::~Text() {
}
TextEntryList *Text::getDialog(uint dialogNum, uint entryNum) {
if (dialogNum >= kADSTextMax)
error("getDialog(): Invalid entry number requested, %d (max %d)", dialogNum, kADSTextMax - 1);
TextEntryList *l = new TextEntryList();
byte *data = getChunkData(dialogNum);
byte *ptr = data;
ptr += 2; // entry number
ptr += 2; // number of persons
ptr += 2; // automove count
ptr += 2; // cursor number
ptr += 13; // misc data
for (uint i = 0; i <= entryNum; i++) {
do {
TextEntry curDialog;
ptr++; // current entry
ptr += 2;
curDialog.speechId = READ_LE_UINT16(ptr) - VOICE_OFFSET; ptr += 2;
do {
curDialog.text += *ptr++;
if (*ptr == 0 && *(ptr + 1) != kEndText) {
// TODO: Split lines
*ptr = ' ';
}
} while (*ptr != kEndText);
if (i == entryNum)
l->push_back(curDialog);
} while (*(ptr + 1) != kEndEntry);
ptr += 2; // kEndText, kEndEntry
if (*ptr == kEndBlock) // not found
break;
}
delete[] data;
return l;
}
TextEntry *Text::getText(uint dialogNum, uint entryNum) {
if (dialogNum < kADSTextMax)
error("getText(): Invalid entry number requested, %d (min %d)", dialogNum, kADSTextMax);
TextEntry *d = new TextEntry();
bool isText = (dialogNum >= kADSTextMax && dialogNum < kADSTextMax + kATSTextMax);
bool isAutoDialog = (dialogNum >= kADSTextMax + kATSTextMax && dialogNum < kADSTextMax + kATSTextMax + kAADTextMax);
//bool isInvText = (dialogNum >= kADSTextMax + kATSTextMax + kAADTextMax && dialogNum < kADSTextMax + kATSTextMax + kAADTextMax + kINVTextMax);
byte *data = getChunkData(dialogNum);
byte *ptr = data;
if (isAutoDialog)
ptr += 3;
for (uint i = 0; i <= entryNum; i++) {
ptr += 13;
d->speechId = READ_LE_UINT16(ptr) - VOICE_OFFSET; ptr += 2;
do {
if (i == entryNum)
d->text += *ptr++;
else
ptr++;
if (*ptr == 0 && *(ptr + 1) != kEndText) {
// TODO: Split lines
*ptr = ' ';
}
} while (*ptr);
if (*(ptr + 1) != kEndText || *(ptr + 2) != kEndChunk)
error("Invalid text resource - %d", dialogNum);
if (!isText)
ptr += 3; // 0, kEndText, kEndChunk
if (isAutoDialog)
ptr += 3;
if (i == entryNum) {
// Found
delete[] data;
return d;
}
}
// Not found
delete[] data;
delete d;
return nullptr;
}
Font::Font(Common::String filename) {
const uint32 headerFont = MKTAG('T', 'F', 'F', '\0');
Common::File stream;
stream.open(filename);
uint32 header = stream.readUint32BE();
if (header != headerFont)
error("Invalid resource - %s", filename.c_str());
stream.skip(4); // total memory
_count = stream.readUint16LE();
_first = stream.readUint16LE();
_last = stream.readUint16LE();
_width = stream.readUint16LE();
_height = stream.readUint16LE();
_fontSurface.create(_width * _count, _height, ::Graphics::PixelFormat::createFormatCLUT8());
byte cur;
int bitIndex = 7;
byte *p;
cur = stream.readByte();
for (uint n = 0; n < _count; n++) {
for (uint y = 0; y < _height; y++) {
p = (byte *)_fontSurface.getBasePtr(n * _width, y);
for (uint x = n * _width; x < n * _width + _width; x++) {
*p++ = (cur & (1 << bitIndex)) ? 0 : 0xFF;
bitIndex--;
if (bitIndex < 0) {
bitIndex = 7;
cur = stream.readByte();
}
}
}
}
}
Font::~Font() {
_fontSurface.free();
}
::Graphics::Surface *Font::getLine(const Common::String &text) {
::Graphics::Surface *line = new ::Graphics::Surface();
line->create(text.size() * _width, _height, ::Graphics::PixelFormat::createFormatCLUT8());
for (uint i = 0; i < text.size(); i++) {
uint x = (text[i] - _first) * _width;
line->copyRectToSurface(_fontSurface, i * _width, 0, Common::Rect(x, 0, x + _width, _height));
}
return line;
}
Common::String ErrorMessage::getErrorMessage(uint num) {
assert(num < _chunkList.size());
Chunk *chunk = &_chunkList[num];
Common::String str;
byte *data = new byte[chunk->size];
_stream.seek(chunk->pos, SEEK_SET);
_stream.read(data, chunk->size);
if (_encrypted)
decrypt(data, chunk->size);
str = (char *)data;
delete[] data;
return str;
}
} // End of namespace Chewy
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