scummvm/engines/simon/string.cpp
Torbjörn Andersson 4476ed5294 Made FF use the same max length for every line when word-wrapping subtitles,
rather than using the length of the previous line. This fixes bug #1536401.

svn-id: r23706
2006-08-13 06:32:16 +00:00

471 lines
11 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/stdafx.h"
#include "simon/simon.h"
#include "simon/intern.h"
using Common::File;
namespace Simon {
const byte *SimonEngine::getStringPtrByID(uint stringId) {
const byte *string_ptr;
byte *dst;
_freeStringSlot ^= 1;
if (stringId < 0x8000) {
string_ptr = _stringTabPtr[stringId];
} else {
string_ptr = getLocalStringByID(stringId);
}
dst = _stringReturnBuffer[_freeStringSlot];
strcpy((char *)dst, (const char *)string_ptr);
return dst;
}
const byte *SimonEngine::getLocalStringByID(uint stringId) {
if (stringId < _stringIdLocalMin || stringId >= _stringIdLocalMax) {
loadTextIntoMem(stringId);
}
return _localStringtable[stringId - _stringIdLocalMin];
}
void SimonEngine::allocateStringTable(int num) {
_stringTabPtr = (byte **)calloc(num, sizeof(byte *));
_stringTabPos = 0;
_stringtab_numalloc = num;
}
void SimonEngine::setupStringTable(byte *mem, int num) {
int i = 0;
for (;;) {
_stringTabPtr[i++] = mem;
if (--num == 0)
break;
for (; *mem; mem++);
mem++;
}
_stringTabPos = i;
}
void SimonEngine::setupLocalStringTable(byte *mem, int num) {
int i = 0;
for (;;) {
_localStringtable[i++] = mem;
if (--num == 0)
break;
for (; *mem; mem++);
mem++;
}
}
uint SimonEngine::loadTextFile(const char *filename, byte *dst) {
if (getFeatures() & GF_OLD_BUNDLE)
return loadTextFile_simon1(filename, dst);
else
return loadTextFile_gme(filename, dst);
}
uint SimonEngine::loadTextFile_simon1(const char *filename, byte *dst) {
File fo;
fo.open(filename);
uint32 size;
if (fo.isOpen() == false)
error("loadTextFile: Can't open '%s'", filename);
size = fo.size();
if (fo.read(dst, size) != size)
error("loadTextFile: fread failed");
fo.close();
return size;
}
uint SimonEngine::loadTextFile_gme(const char *filename, byte *dst) {
uint res;
uint32 offs;
uint32 size;
res = atoi(filename + 4) + _textIndexBase - 1;
offs = _gameOffsetsPtr[res];
size = _gameOffsetsPtr[res + 1] - offs;
readGameFile(dst, offs, size);
return size;
}
void SimonEngine::loadTextIntoMem(uint stringId) {
byte *p;
char filename[30];
int i;
uint base_min = 0x8000, base_max, size;
_tablesHeapPtr = _tablesheapPtrNew;
_tablesHeapCurPos = _tablesHeapCurPosNew;
p = _strippedTxtMem;
// get filename
while (*p) {
for (i = 0; *p; p++, i++)
filename[i] = *p;
filename[i] = 0;
p++;
base_max = (p[0] * 256) | p[1];
p += 2;
if (stringId < base_max) {
_stringIdLocalMin = base_min;
_stringIdLocalMax = base_max;
_localStringtable = (byte **)_tablesHeapPtr;
size = (base_max - base_min + 1) * sizeof(byte *);
_tablesHeapPtr += size;
_tablesHeapCurPos += size;
size = loadTextFile(filename, _tablesHeapPtr);
setupLocalStringTable(_tablesHeapPtr, base_max - base_min + 1);
_tablesHeapPtr += size;
_tablesHeapCurPos += size;
if (_tablesHeapCurPos > _tablesHeapSize) {
error("loadTextIntoMem: Out of table memory");
}
return;
}
base_min = base_max;
}
error("loadTextIntoMem: didn't find %d", stringId);
}
static const byte charWidth[226] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 6, 2, 4, 8, 6,10, 9, 2,
4, 4, 6, 6, 3, 4, 2, 3, 6, 4,
6, 6, 7, 6, 6, 6, 6, 6, 2, 3,
7, 7, 7, 6,11, 8, 7, 8, 8, 7,
6, 9, 8, 2, 6, 7, 6,10, 8, 9,
7, 9, 7, 7, 8, 8, 8,12, 8, 8,
7, 3, 3, 3, 6, 8, 3, 7, 7, 6,
7, 7, 4, 7, 6, 2, 3, 6, 2,10,
6, 7, 7, 7, 5, 6, 4, 7, 7,10,
6, 6, 6, 0, 0, 0, 0, 0, 8, 6,
7, 7, 7, 7, 7, 6, 7, 7, 7, 4,
4, 3, 8, 8, 7, 0, 0, 7, 7, 7,
6, 6, 6, 9, 8, 0, 0, 0, 0, 0,
7, 3, 7, 6, 6, 8, 0, 6, 0, 0,
0, 0, 0, 2, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 7
};
const char *getPixelLength(const char *string, uint16 maxWidth, uint16 &pixels) {
pixels = 0;
while (*string != 0) {
byte chr = *string;
if ((pixels + charWidth[chr]) > maxWidth)
break;
pixels += charWidth[chr];
string++;
}
return string;
}
bool SimonEngine::printTextOf(uint a, uint x, uint y) {
const byte *stringPtr;
uint16 pixels, w;
if (getGameType() == GType_SIMON2) {
if (getBitFlag(79)) {
Subroutine *sub;
_variableArray[84] = a;
sub = getSubroutineByID(5003);
if (sub != NULL)
startSubroutineEx(sub);
return true;
}
}
if (a >= _numTextBoxes)
return false;
stringPtr = getStringPtrByID(_stringIdArray2[a]);
if (getGameType() == GType_FF) {
getPixelLength((const char *)stringPtr, 400, pixels);
w = pixels + 1;
x -= w / 2;
printScreenText(6, 0, (const char *)stringPtr, x, y, w);
} else {
showActionString(stringPtr);
}
return true;
}
bool SimonEngine::printNameOf(Item *item, uint x, uint y) {
SubObject *subObject;
const byte *stringPtr;
uint16 pixels, w;
if (item == 0 || item == _dummyItem2 || item == _dummyItem3)
return false;
subObject = (SubObject *)findChildOfType(item, 2);
if (subObject == NULL)
return false;
stringPtr = getStringPtrByID(subObject->objectName);
if (getGameType() == GType_FF) {
getPixelLength((const char *)stringPtr, 400, pixels);
w = pixels + 1;
x -= w / 2;
printScreenText(6, 0, (const char *)stringPtr, x, y, w);
} else {
showActionString(stringPtr);
}
return true;
}
void SimonEngine::printInteractText(uint16 num, const char *string) {
char convertedString[320];
char *convertedString2 = convertedString;
const char *string2 = string;
uint16 height = 15;
uint16 w = 0xFFFF;
uint16 b, pixels, x;
// It doesn't really matter what 'w' is to begin with, as long as it's
// something that cannot be generated by getPixelLength(). The original
// used 620, which was a potential problem.
while (1) {
string2 = getPixelLength(string, 620, pixels);
if (*string2 == 0x00) {
if (w == 0xFFFF)
w = pixels;
strcpy(convertedString2, string);
break;
}
while (*string2 != ' ') {
byte chr = *string2;
pixels -= charWidth[chr];
string2--;
}
if (w == 0xFFFF)
w = pixels;
b = string2 - string;
strncpy(convertedString2, string, b);
convertedString2 += b;
*convertedString2++ = '\n';
height += 15;
string = string2;
}
// ScrollX
x = _variableArray[251];
x += 20;
if (num == 1)
_interactY = 385;
// Returned values for box definition
_variableArray[51] = x;
_variableArray[52] = _interactY;
_variableArray[53] = w;
_variableArray[54] = height;
stopAnimateSimon2(2, num + 6);
renderString(num, 0, w, height, convertedString);
loadSprite(4, 2, num + 6, x, _interactY, 12);
_interactY += height;
}
void SimonEngine::sendInteractText(uint16 num, const char *fmt, ...) {
va_list arglist;
char string[256];
va_start(arglist, fmt);
vsprintf(string, fmt, arglist);
va_end(arglist);
printInteractText(num, string);
}
void SimonEngine::printScreenText(uint vgaSpriteId, uint color, const char *string, int16 x, int16 y, int16 width) {
char convertedString[320];
char *convertedString2 = convertedString;
const char *string2 = string;
int16 height, talkDelay;
int stringLength = strlen(string);
int padding, lettersPerRow, lettersPerRowJustified;
const int textHeight = (getGameType() == GType_FF) ? 15: 10;
height = textHeight;
lettersPerRow = width / 6;
lettersPerRowJustified = stringLength / (stringLength / lettersPerRow + 1) + 1;
talkDelay = (stringLength + 3) / 3;
if ((getGameType() == GType_SIMON1) && (getFeatures() & GF_TALKIE)) {
if (_variableArray[141] == 0)
_variableArray[141] = 9;
_variableArray[85] = _variableArray[141] * talkDelay;
} else {
if (_variableArray[86] == 0)
talkDelay /= 2;
if (_variableArray[86] == 2)
talkDelay *= 2;
_variableArray[85] = talkDelay * 5;
}
assert(stringLength > 0);
if (getGameType() == GType_FF) {
uint16 b, pixels, spaces;
while (1) {
string2 = getPixelLength(string, width, pixels);
if (*string2 == 0) {
spaces = (width - pixels) / 12;
if (spaces != 0)
spaces--;
while (spaces) {
*convertedString2++ = ' ';
spaces--;
}
strcpy(convertedString2, string);
break;
}
while (*string2 != ' ') {
byte chr = *string2;
pixels -= charWidth[chr];
string2--;
}
spaces = (width - pixels) / 12;
if (spaces != 0)
spaces--;
while (spaces) {
*convertedString2++ = ' ';
spaces--;
}
b = string2 - string;
strncpy(convertedString2, string, b);
convertedString2 += b;
*convertedString2++ = '\n';
height += textHeight;
y -= textHeight;
if (y < 2)
y = 2;
string = string2;
}
} else {
while (stringLength > 0) {
int pos = 0;
if (stringLength > lettersPerRow) {
int removeLastWord = 0;
if (lettersPerRow > lettersPerRowJustified) {
pos = lettersPerRowJustified;
while (string[pos] != ' ')
pos++;
if (pos > lettersPerRow)
removeLastWord = 1;
}
if (lettersPerRow <= lettersPerRowJustified || removeLastWord) {
pos = lettersPerRow;
while (string[pos] != ' ' && pos > 0)
pos--;
}
height += textHeight;
y -= textHeight;
} else
pos = stringLength;
padding = (lettersPerRow - pos) % 2 ?
(lettersPerRow - pos) / 2 + 1 : (lettersPerRow - pos) / 2;
while (padding--)
*convertedString2++ = ' ';
stringLength -= pos;
while (pos--)
*convertedString2++ = *string++;
*convertedString2++ = '\n';
string++; // skip space
stringLength--; // skip space
}
*(convertedString2 - 1) = '\0';
}
if (getGameType() == GType_SIMON1)
stopAnimateSimon1(vgaSpriteId + 199);
else
stopAnimateSimon2(2, vgaSpriteId);
if (getGameType() == GType_FF) {
renderString(1, color, width, height, convertedString);
} else {
color = color * 3 + 192;
if (getPlatform() == Common::kPlatformAmiga)
renderStringAmiga(vgaSpriteId, color, width, height, convertedString);
else
renderString(vgaSpriteId, color, width, height, convertedString);
}
int b = 4;
if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) {
if (!getBitFlag(133))
b = 3;
x /= 8;
if (y < 2)
y = 2;
}
if (getGameType() == GType_SIMON1)
loadSprite(b, 2, vgaSpriteId + 199, x, y, 12);
else
loadSprite(b, 2, vgaSpriteId, x, y, 12);
}
} // End of namespace Simon