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|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2003-2005 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "sky/disk.h"
#include "sky/logic.h"
#include "sky/text.h"
#include "sky/sky.h"
#include "sky/skydefs.h"
#include "sky/struc.h"
#include "sky/compact.h"
namespace Sky {
#define FIRST_TEXT_SEC 77
#define FIRST_TEXT_BUFFER 274
#define NO_OF_TEXT_SECTIONS 8 // 8 sections per language
#define CHAR_SET_FILE 60150
#define MAX_SPEECH_SECTION 7
#define CHAR_SET_HEADER 128
#define MAX_NO_LINES 10
Text::Text(Disk *skyDisk, SkyCompact *skyCompact) {
_skyDisk = skyDisk;
_skyCompact = skyCompact;
initHuffTree();
_mainCharacterSet.addr = _skyDisk->loadFile(CHAR_SET_FILE);
_mainCharacterSet.charHeight = MAIN_CHAR_HEIGHT;
_mainCharacterSet.charSpacing = 0;
fnSetFont(0);
if (!SkyEngine::isDemo()) {
_controlCharacterSet.addr = _skyDisk->loadFile(60520);
_controlCharacterSet.charHeight = 12;
_controlCharacterSet.charSpacing = 0;
_linkCharacterSet.addr = _skyDisk->loadFile(60521);
_linkCharacterSet.charHeight = 12;
_linkCharacterSet.charSpacing = 1;
patchLINCCharset();
} else {
_controlCharacterSet.addr = NULL;
_linkCharacterSet.addr = NULL;
}
if (SkyEngine::isCDVersion()) {
_preAfterTableArea = _skyDisk->loadFile(60522);
} else
_preAfterTableArea = NULL;
}
Text::~Text(void) {
if (_controlCharacterSet.addr) free(_controlCharacterSet.addr);
if (_linkCharacterSet.addr) free(_linkCharacterSet.addr);
if (_preAfterTableArea) free(_preAfterTableArea);
}
void Text::patchChar(byte *charSetPtr, int width, int height, int c, const uint16 *data) {
byte *ptr = charSetPtr + (CHAR_SET_HEADER + (height << 2) * c);
charSetPtr[c] = width;
for (int i = 0; i < height; i++) {
ptr[i * 4 + 0] = (data[i] & 0xFF00) >> 8;
ptr[i * 4 + 1] = data[i] & 0x00FF;
ptr[i * 4 + 2] = (data[i + height] & 0xFF00) >> 8;
ptr[i * 4 + 3] = data[i + height] & 0x00FF;
}
}
void Text::patchLINCCharset() {
// The LINC terminal charset looks strange in some cases. This
// function attempts to patch up the worst blemishes.
byte *charSetPtr = _controlCharacterSet.addr;
int charHeight = _controlCharacterSet.charHeight;
// In v0.0288, decrease the character spacing is too wide. Decrease
// the width for every character by one, except for space which needs
// to be one pixel wider than before.
if (SkyEngine::_systemVars.gameVersion == 288) {
for (int i = 1; i < CHAR_SET_HEADER; i++)
charSetPtr[i]--;
charSetPtr[0]++;
}
// NOTE: I have only tested this part of the code with v0.0372
// Several characters are different in this charset than in the other
// two. This is particularly noticeable when using a non-English
// version.
// Since the same character data is used both in LINC terminals and
// in LINC-space, we need to provide a mask (for the black outline)
// even though it's only visible in the latter. We store the mask
// as the second half of the array to make it more human-readable.
// In the actual game data, the character and mask are interleaved.
const uint16 slash[] = {
0x0000, 0x0000, 0x0000, 0x0800, 0x1000, 0x1000,
0x2000, 0x2000, 0x4000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0800, 0x1C00, 0x3800, 0x3800,
0x7000, 0x7000, 0xE000, 0x4000, 0x0000, 0x0000
};
const uint16 lt[] = {
0x0000, 0x0000, 0x0800, 0x1000, 0x2000, 0x4000,
0x2000, 0x1000, 0x0800, 0x0000, 0x0000, 0x0000,
0x0000, 0x0800, 0x1C00, 0x3800, 0x7000, 0xE000,
0x7000, 0x3800, 0x1C00, 0x0800, 0x0000, 0x0000
};
const uint16 gt[] = {
0x0000, 0x0000, 0x4000, 0x2000, 0x1000, 0x0800,
0x1000, 0x2000, 0x4000, 0x0000, 0x0000, 0x0000,
0x0000, 0x4000, 0xE000, 0x7000, 0x3800, 0x1C00,
0x3800, 0x7000, 0xE000, 0x4000, 0x0000, 0x0000
};
const uint16 a_umlaut[] = {
0x0000, 0x0000, 0x2800, 0x0000, 0x3000, 0x0800,
0x3800, 0x4800, 0x3800, 0x0000, 0x0000, 0x0000,
0x0000, 0x2800, 0x7C00, 0x3800, 0x7800, 0x3C00,
0x7C00, 0xFC00, 0x7C00, 0x3800, 0x0000, 0x0000
};
const uint16 o_umlaut[] = {
0x0000, 0x0000, 0x4800, 0x0000, 0x3000, 0x4800,
0x4800, 0x4800, 0x3000, 0x0000, 0x0000, 0x0000,
0x0000, 0x4800, 0xFC00, 0x7800, 0x7800, 0xFC00,
0xFC00, 0xFC00, 0x7800, 0x3000, 0x0000, 0x0000
};
const uint16 u_umlaut[] = {
0x0000, 0x0000, 0x4800, 0x0000, 0x4800, 0x4800,
0x4800, 0x4800, 0x3800, 0x0000, 0x0000, 0x0000,
0x0000, 0x4800, 0xFC00, 0x4800, 0xFC00, 0xFC00,
0xFC00, 0xFC00, 0x7C00, 0x3800, 0x0000, 0x0000
};
const uint16 A_umlaut[] = {
0x0000, 0x4800, 0x0000, 0x3000, 0x4800, 0x4800,
0x7800, 0x4800, 0x4800, 0x0000, 0x0000, 0x0000,
0x4800, 0xFC00, 0x7800, 0x7800, 0xFC00, 0xFC00,
0xFC00, 0xFC00, 0xFC00, 0x4800, 0x0000, 0x0000
};
const uint16 O_umlaut[] = {
0x0000, 0x4800, 0x0000, 0x3000, 0x4800, 0x4800,
0x4800, 0x4800, 0x3000, 0x0000, 0x0000, 0x0000,
0x4800, 0xFC00, 0x7800, 0x7800, 0xFC00, 0xFC00,
0xFC00, 0xFC00, 0x7800, 0x3000, 0x0000, 0x0000
};
const uint16 U_umlaut[] = {
0x0000, 0x4800, 0x0000, 0x4800, 0x4800, 0x4800,
0x4800, 0x4800, 0x3000, 0x0000, 0x0000, 0x0000,
0x4800, 0xFC00, 0x4800, 0xFC00, 0xFC00, 0xFC00,
0xFC00, 0xFC00, 0x7800, 0x3000, 0x0000, 0x0000
};
const uint16 normal_j[] = {
0x0000, 0x0000, 0x0000, 0x0800, 0x0000, 0x0800,
0x0800, 0x0800, 0x0800, 0x4800, 0x3000, 0x0000,
0x0000, 0x0000, 0x0800, 0x1C00, 0x0800, 0x1C00,
0x1C00, 0x1C00, 0x5C00, 0xFC00, 0x7800, 0x3000
};
const uint16 german_sz[] = {
0x0000, 0x0000, 0x2000, 0x5000, 0x5000, 0x4800,
0x4800, 0x4800, 0x5000, 0x0000, 0x0000, 0x0000,
0x0000, 0x2000, 0x7000, 0xF800, 0xF800, 0xFC00,
0xFC00, 0xFC00, 0xF800, 0x7000, 0x0000, 0x0000
};
const uint16 normal_1[] = {
0x0000, 0x0000, 0x0000, 0x1000, 0x7000, 0x1000,
0x1000, 0x1000, 0x7c00, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x1000, 0x7800, 0xF800, 0x7800,
0x3800, 0x7c00, 0xFE00, 0x7c00, 0x0000, 0x0000
};
patchChar(charSetPtr, 5, charHeight, 3, u_umlaut);
patchChar(charSetPtr, 5, charHeight, 8, german_sz);
patchChar(charSetPtr, 5, charHeight, 9, o_umlaut);
patchChar(charSetPtr, 5, charHeight, 93, U_umlaut);
patchChar(charSetPtr, 5, charHeight, 74, normal_j);
patchChar(charSetPtr, 6, charHeight, 17, normal_1);
if (SkyEngine::_systemVars.gameVersion <= 303) {
patchChar(charSetPtr, 5, charHeight, 10, a_umlaut);
} else {
patchChar(charSetPtr, 5, charHeight, 94, A_umlaut);
patchChar(charSetPtr, 5, charHeight, 95, O_umlaut);
// Used by, for instance, the BRIEFING.DOC file in all (?) languages
patchChar(charSetPtr, 5, charHeight, 96, lt);
patchChar(charSetPtr, 5, charHeight, 97, gt);
patchChar(charSetPtr, 5, charHeight, 98, slash);
}
}
void Text::fnSetFont(uint32 fontNr) {
struct charSet *newCharSet;
switch (fontNr) {
case 0:
newCharSet = &_mainCharacterSet;
break;
case 1:
newCharSet = &_controlCharacterSet;
break;
case 2:
newCharSet = &_linkCharacterSet;
break;
default:
error("Tried to set invalid font (%d)", fontNr);
}
_curCharSet = fontNr;
_characterSet = newCharSet->addr;
_charHeight = (byte)newCharSet->charHeight;
_dtCharSpacing = newCharSet->charSpacing;
}
void Text::fnTextModule(uint32 textInfoId, uint32 textNo) {
fnSetFont(1);
uint16* msgData = (uint16 *)_skyCompact->fetchCpt(textInfoId);
lowTextManager_t textId = lowTextManager(textNo, msgData[1], msgData[2], 209, false);
Logic::_scriptVariables[RESULT] = textId.compactNum;
Compact *textCompact = _skyCompact->fetchCpt(textId.compactNum);
textCompact->xcood = msgData[3];
textCompact->ycood = msgData[4];
fnSetFont(0);
}
void Text::getText(uint32 textNr) { //load text #"textNr" into textBuffer
if (patchMessage(textNr))
return ;
uint32 sectionNo = (textNr & 0x0F000) >> 12;
if (SkyEngine::_itemList[FIRST_TEXT_SEC + sectionNo] == (void **)NULL) { //check if already loaded
debug(5, "Loading Text item(s) for Section %d", (sectionNo>>2));
uint32 fileNo = sectionNo + ((SkyEngine::_systemVars.language * NO_OF_TEXT_SECTIONS) + 60600);
SkyEngine::_itemList[FIRST_TEXT_SEC + sectionNo] = (void **)_skyDisk->loadFile((uint16)fileNo);
}
_textItemPtr = (uint8 *)SkyEngine::_itemList[FIRST_TEXT_SEC + sectionNo];
uint32 offset = 0;
uint32 nr32MsgBlocks = (textNr & 0x0fe0);
uint32 skipBytes;
byte *blockPtr;
bool bitSeven;
if (nr32MsgBlocks) {
blockPtr = (byte *)(_textItemPtr + 4);
nr32MsgBlocks >>= 5;
do {
offset += READ_LE_UINT16(blockPtr);
blockPtr += 2;
} while (--nr32MsgBlocks);
}
uint32 remItems = textNr;
textNr &= 0x1f;
if (textNr) {
remItems &= 0x0fe0;
remItems += READ_LE_UINT16(_textItemPtr);
blockPtr = _textItemPtr + remItems;
do {
skipBytes = *blockPtr++;
bitSeven = (bool)((skipBytes >> (7)) & 0x1);
skipBytes &= ~(1UL << 7);
if (bitSeven)
skipBytes <<= 3;
offset += skipBytes;
} while (--textNr);
}
uint32 numBits = offset;
offset >>= 2;
offset += READ_LE_UINT16(_textItemPtr + 2);
_textItemPtr += offset;
//bit pointer: 0->8, 1->6, 2->4 ...
numBits &= 3;
numBits ^= 3;
numBits++;
numBits <<= 1;
_inputValue = *_textItemPtr++;
char *dest = (char *)_textBuffer;
char textChar;
_shiftBits = (uint8) numBits;
do {
textChar = getTextChar();
*dest++ = textChar;
} while (textChar);
}
void Text::fnPointerText(uint32 pointedId, uint16 mouseX, uint16 mouseY) {
Compact *ptrComp = _skyCompact->fetchCpt(pointedId);
lowTextManager_t text = lowTextManager(ptrComp->cursorText, TEXT_MOUSE_WIDTH, L_CURSOR, 242, false);
Logic::_scriptVariables[CURSOR_ID] = text.compactNum;
if (Logic::_scriptVariables[MENU]) {
_mouseOfsY = TOP_LEFT_Y - 2;
if (mouseX < 150) _mouseOfsX = TOP_LEFT_X + 24;
else _mouseOfsX = TOP_LEFT_X - 8 - _lowTextWidth;
} else {
_mouseOfsY = TOP_LEFT_Y - 10;
if (mouseX < 150) _mouseOfsX = TOP_LEFT_X + 13;
else _mouseOfsX = TOP_LEFT_X - 8 - _lowTextWidth;
}
Compact *textCompact = _skyCompact->fetchCpt(text.compactNum);
logicCursor(textCompact, mouseX, mouseY);
}
void Text::logicCursor(Compact *textCompact, uint16 mouseX, uint16 mouseY) {
textCompact->xcood = (uint16)(mouseX + _mouseOfsX);
textCompact->ycood = (uint16)(mouseY + _mouseOfsY);
if (textCompact->ycood < TOP_LEFT_Y) textCompact->ycood = TOP_LEFT_Y;
}
bool Text::getTBit() {
if (_shiftBits) {
(_shiftBits)--;
} else {
_inputValue = *_textItemPtr++;
_shiftBits = 7;
}
return (bool)(((_inputValue) >> (_shiftBits)) & 1);
}
displayText_t Text::displayText(uint8 *dest, bool centre, uint16 pixelWidth, uint8 color) {
//Render text in _textBuffer in buffer *dest
return displayText(this->_textBuffer, dest, centre, pixelWidth, color);
}
displayText_t Text::displayText(char *textPtr, uint8 *dest, bool centre, uint16 pixelWidth, uint8 color) {
//Render text pointed to by *textPtr in buffer *dest
uint8 textChar;
char *curPos = textPtr;
char *lastSpace = curPos;
byte *centerTblPtr = _centreTable;
uint16 lineWidth = 0;
_dtCol = color;
_dtLineWidth = pixelWidth;
_dtLines = 0;
_dtLetters = 1;
_dtData = dest;
_dtText = textPtr;
_dtCentre = centre;
textChar = (uint8)*curPos++;
_dtLetters++;
// work around bug #778105 (line width exceeded)
char *tmpPtr = strstr(textPtr, "MUND-BEATMUNG!");
if (tmpPtr)
strcpy(tmpPtr, "MUND BEATMUNG!");
// work around bug #1151924 (line width exceeded when talking to gardener using spanish text)
// This text apparently only is broken in the floppy versions, the CD versions contain
// the correct string "MANIFESTACION - ARTISTICA.", which doesn't break the algorithm/game.
tmpPtr = strstr(textPtr, "MANIFESTACION-ARTISTICA.");
if (tmpPtr)
strcpy(tmpPtr, "MANIFESTACION ARTISTICA.");
while (textChar >= 0x20) {
if ((_curCharSet == 1) && (textChar >= 0x80))
textChar = 0x20;
textChar -= 0x20;
if (textChar == 0) {
lastSpace = curPos; //keep track of last space
*(uint32 *)centerTblPtr = TO_LE_32(lineWidth);
}
lineWidth += *(_characterSet+textChar); //add character width
lineWidth += (uint16)_dtCharSpacing; //include character spacing
if (pixelWidth <= lineWidth) {
if (*(lastSpace-1) == 10)
error("line width exceeded!");
*(lastSpace-1) = 10;
lineWidth = 0;
_dtLines++;
centerTblPtr += 4; //get next space in centering table
curPos = lastSpace; //go back for new count
}
textChar = (uint8)*curPos++;
_dtLetters++;
}
_dtLastWidth = lineWidth; //save width of last line
*(uint32 *)centerTblPtr = TO_LE_32(lineWidth); //and update centering table
_dtLines++;
if (_dtLines > MAX_NO_LINES)
error("Maximum no. of lines exceeded!");
_dtLineSize = pixelWidth * _charHeight;
uint32 numBytes = (_dtLineSize * _dtLines) + sizeof(struct dataFileHeader) + 4;
if (_dtData == NULL)
_dtData = (byte *)malloc(numBytes);
uint8 *curDest = _dtData;
uint32 bytesToClear = numBytes; //no of bytes to clear
bytesToClear -= sizeof(struct dataFileHeader); //don't touch the header.
memset(curDest + sizeof(struct dataFileHeader), 0, bytesToClear);
curPos += bytesToClear;
//make the header
((struct dataFileHeader *)curDest)->s_width = _dtLineWidth;
((struct dataFileHeader *)curDest)->s_height = (uint16)(_charHeight * _dtLines);
((struct dataFileHeader *)curDest)->s_sp_size = (uint16)(_dtLineWidth * _charHeight * _dtLines);
((struct dataFileHeader *)curDest)->s_offset_x = 0;
((struct dataFileHeader *)curDest)->s_offset_y = 0;
//reset position
curPos = textPtr;
curDest += sizeof(struct dataFileHeader); //point to where pixels start
byte *prevDest = curDest;
centerTblPtr = _centreTable;
do {
if (_dtCentre) {
uint32 width = (_dtLineWidth - READ_LE_UINT32(centerTblPtr)) >> 1;
centerTblPtr += 4;
curDest += width;
}
textChar = (uint8)*curPos++;
while (textChar >= 0x20) {
makeGameCharacter(textChar - 0x20, _characterSet, curDest, color);
textChar = *curPos++;
}
prevDest = curDest = prevDest + _dtLineSize; //start of last line + start of next
} while (textChar >= 10);
struct displayText_t ret;
ret.textData = _dtData;
ret.textWidth = _dtLastWidth;
return ret;
}
void Text::makeGameCharacter(uint8 textChar, uint8 *charSetPtr, uint8 *&dest, uint8 color) {
bool maskBit, dataBit;
uint8 charWidth = (uint8)((*(charSetPtr + textChar)) + 1 - _dtCharSpacing);
uint16 data, mask;
byte *charSpritePtr = charSetPtr + (CHAR_SET_HEADER + ((_charHeight << 2) * textChar));
byte *startPos = dest;
byte *curPos = startPos;
for (int i = 0; i < _charHeight; i++) {
byte *prevPos = curPos;
data = READ_BE_UINT16(charSpritePtr);
mask = READ_BE_UINT16(charSpritePtr + 2);
charSpritePtr += 4;
for (int j = 0; j < charWidth; j++) {
maskBit = (mask & 0x8000) != 0; //check mask
mask <<= 1;
dataBit = (data & 0x8000) != 0; //check data
data <<= 1;
if (maskBit)
if (dataBit)
*curPos = color;
else
*curPos = 240; //black edge
curPos++;
}
//advance a line
curPos = prevPos + _dtLineWidth;
}
//update position
dest = startPos + charWidth + _dtCharSpacing * 2 - 1;
}
lowTextManager_t Text::lowTextManager(uint32 textNum, uint16 width, uint16 logicNum, uint8 color, bool centre) {
getText(textNum);
struct displayText_t textInfo = displayText(NULL, centre, width, color);
_lowTextWidth = textInfo.textWidth;
byte *textData = textInfo.textData;
uint32 compactNum = FIRST_TEXT_COMPACT;
Compact *cpt = _skyCompact->fetchCpt(compactNum);
while (cpt->status != 0) {
compactNum++;
cpt = _skyCompact->fetchCpt(compactNum);
}
cpt->flag = (uint16)(compactNum - FIRST_TEXT_COMPACT) + FIRST_TEXT_BUFFER;
byte *oldText = (byte *)SkyEngine::_itemList[cpt->flag];
SkyEngine::_itemList[cpt->flag] = (void **)textData;
if (oldText != NULL)
free (oldText);
cpt->logic = logicNum;
cpt->status = ST_LOGIC | ST_FOREGROUND | ST_RECREATE;
cpt->screen = (uint16) Logic::_scriptVariables[SCREEN];
struct lowTextManager_t ret;
ret.textData = _dtData;
ret.compactNum = (uint16)compactNum;
return ret;
}
void Text::changeTextSpriteColour(uint8 *sprData, uint8 newCol) {
dataFileHeader *header = (dataFileHeader *)sprData;
sprData += sizeof(dataFileHeader);
for (uint16 cnt = 0; cnt < header->s_sp_size; cnt++)
if (sprData[cnt] >= 241) sprData[cnt] = newCol;
}
void Text::initHuffTree() {
switch (SkyEngine::_systemVars.gameVersion) {
case 109:
_huffTree = _huffTree_00109;
break;
case 267:
_huffTree = _huffTree_00267;
break;
case 288:
_huffTree = _huffTree_00288;
break;
case 303:
_huffTree = _huffTree_00303;
break;
case 331:
_huffTree = _huffTree_00331;
break;
case 348:
_huffTree = _huffTree_00348;
break;
case 365:
_huffTree = _huffTree_00365;
break;
case 368:
_huffTree = _huffTree_00368;
break;
case 372:
_huffTree = _huffTree_00372;
break;
default:
error("Unknown game version %d", SkyEngine::_systemVars.gameVersion);
}
}
char Text::getTextChar() {
int pos = 0;
for (;;) {
if (getTBit() == 0)
pos = _huffTree[pos].lChild;
else
pos = _huffTree[pos].rChild;
if (_huffTree[pos].lChild == 0 && _huffTree[pos].rChild == 0) {
return _huffTree[pos].value;
}
}
}
bool Text::patchMessage(uint32 textNum) {
uint16 patchIdx = _patchLangIdx[SkyEngine::_systemVars.language];
uint16 patchNum = _patchLangNum[SkyEngine::_systemVars.language];
for (uint16 cnt = 0; cnt < patchNum; cnt++) {
if (_patchedMessages[cnt + patchIdx].textNr == textNum) {
strcpy(_textBuffer, _patchedMessages[cnt + patchIdx].text);
return true;
}
}
return false;
}
const PatchMessage Text::_patchedMessages[NUM_PATCH_MSG] = {
{ 28724, "Testo e Parlato" }, // - italian
{ 28707, "Solo Testo" },
{ 28693, "Solo Parlato" },
{ 28724, "Text och tal" }, // - swedish
{ 28707, "Endast text" },
{ 28693, "Endast tal" },
{ 28686, "Musikvolym" },
{ 4336, "Wir befinden uns EINHUNDERTZWANZIG METER #ber dem ERBODEN!" }, // - german
};
const uint16 Text::_patchLangIdx[8] = {
0xFFFF, // SKY_ENGLISH
7, // SKY_GERMAN
0xFFFF, // SKY_FRENCH
0xFFFF, // SKY_USA
3, // SKY_SWEDISH
0, // SKY_ITALIAN
0xFFFF, // SKY_PORTUGUESE
0xFFFF // SKY_SPANISH
};
const uint16 Text::_patchLangNum[8] = {
0, // SKY_ENGLISH
1, // SKY_GERMAN
0, // SKY_FRENCH
0, // SKY_USA
4, // SKY_SWEDISH
3, // SKY_ITALIAN
0, // SKY_PORTUGUESE
0 // SKY_SPANISH
};
} // End of namespace Sky
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