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scummvm/engines/lure/surface.cpp
Max Horn 2e964baeef Some const correctness changes; cleanup 
svn-id: r44850
2009-10-09 21:47:33 +00:00

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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.
*
* $URL$
* $Id$
*
*/
#include "lure/decode.h"
#include "lure/events.h"
#include "lure/game.h"
#include "lure/lure.h"
#include "lure/room.h"
#include "lure/screen.h"
#include "lure/sound.h"
#include "lure/strings.h"
#include "lure/surface.h"
#include "common/endian.h"
namespace Lure {
// These variables hold resources commonly used by the Surfaces, and must be initialised and freed
// by the static Surface methods initialise and deinitailse
static MemoryBlock *int_font = NULL;
static MemoryBlock *int_dialog_frame = NULL;
static uint8 fontSize[256];
static int numFontChars;
static const byte char8A[8] = {0x40, 0x20, 0x00, 0x90, 0x90, 0x90, 0x68, 0x00}; // accented `u
static const byte char8D[8] = {0x80, 0x40, 0x00, 0xc0, 0x40, 0x40, 0x60, 0x00}; // accented `i
static const byte char95[8] = {0x40, 0x20, 0x00, 0x60, 0x90, 0x90, 0x60, 0x00}; // accented `o
void Surface::initialise() {
Disk &disk = Disk::getReference();
int_font = disk.getEntry(FONT_RESOURCE_ID);
int_dialog_frame = disk.getEntry(DIALOG_RESOURCE_ID);
if (LureEngine::getReference().getLanguage() == IT_ITA) {
Common::copy(&char8A[0], &char8A[8], int_font->data() + (0x8A - 32) * 8);
Common::copy(&char8D[0], &char8D[8], int_font->data() + (0x8D - 32) * 8);
Common::copy(&char95[0], &char95[8], int_font->data() + (0x95 - 32) * 8);
}
numFontChars = int_font->size() / 8;
if (numFontChars > 256)
error("Font data exceeded maximum allowable size");
// Calculate the size of each font character
for (int ctr = 0; ctr < numFontChars; ++ctr) {
byte *pChar = int_font->data() + (ctr * 8);
fontSize[ctr] = 0;
for (int yp = 0; yp < FONT_HEIGHT; ++yp) {
byte v = *pChar++;
for (int xp = 0; xp < FONT_WIDTH; ++xp) {
if ((v & 0x80) && (xp > fontSize[ctr]))
fontSize[ctr] = xp;
v = (v << 1) & 0xff;
}
}
// If character is empty, like for a space, give a default size
if (fontSize[ctr] == 0) fontSize[ctr] = 2;
}
}
void Surface::deinitialise() {
delete int_font;
delete int_dialog_frame;
}
/*--------------------------------------------------------------------------*/
Surface::Surface(MemoryBlock *src, uint16 wdth, uint16 hght): _data(src),
_width(wdth), _height(hght) {
if ((uint32) (wdth * hght) != src->size())
error("Surface dimensions do not match size of passed data");
}
Surface::Surface(uint16 wdth, uint16 hght): _data(Memory::allocate(wdth*hght)),
_width(wdth), _height(hght) {
}
Surface::~Surface() {
delete _data;
}
// textX / textY
// Returns the offset into a dialog for writing text
uint16 Surface::textX() { return LureEngine::getReference().isEGA() ? 10 : 12; }
uint16 Surface::textY() { return LureEngine::getReference().isEGA() ? 8 : 12; }
// getDialogBounds
// Returns a suggested size for a dialog given a number of horizontal characters and rows
void Surface::getDialogBounds(Common::Point &size, int charWidth, int numLines, bool squashedLines) {
size.x = Surface::textX() * 2 + FONT_WIDTH * charWidth;
size.y = Surface::textY() * 2 + (squashedLines ? (FONT_HEIGHT - 1) : FONT_HEIGHT) * numLines;
}
// egaCreateDialog
// Forms a dialog encompassing the entire surface
void Surface::egaCreateDialog(bool blackFlag) {
byte lineColours1[3] = {6, 0, 9};
byte lineColours2[3] = {7, 0, 12};
// Surface contents
data().setBytes(blackFlag ? 0 : EGA_DIALOG_BG_COLOUR, 0, data().size());
// Top/bottom lines
for (int y = 2; y >= 0; --y) {
data().setBytes(lineColours1[y], y * width(), width());
data().setBytes(lineColours2[y], (height() - y - 1) * width(), width());
for (int p = y + 1; p < height() - y; ++p) {
byte *line = data().data() + p * width();
*(line + y) = lineColours2[y];
*(line + width() - y - 1) = lineColours1[y];
}
}
}
// vgaCreateDialog
// Forms a dialog encompassing the entire surface
void copyLine(byte *pSrc, byte *pDest, uint16 leftSide, uint16 center, uint16 rightSide) {
// Left area
memcpy(pDest, pSrc, leftSide);
pSrc += leftSide; pDest += leftSide;
// Center area
memset(pDest, *pSrc, center);
++pSrc; pDest += center;
// Right side
memcpy(pDest, pSrc, rightSide);
pSrc += rightSide; pDest += rightSide;
}
#define VGA_DIALOG_EDGE_WIDTH 9
void Surface::vgaCreateDialog(bool blackFlag) {
byte *pSrc = int_dialog_frame->data();
byte *pDest = _data->data();
uint16 xCenter = _width - VGA_DIALOG_EDGE_WIDTH * 2;
uint16 yCenter = _height - VGA_DIALOG_EDGE_WIDTH * 2;
int y;
// Dialog top
for (y = 0; y < 9; ++y) {
copyLine(pSrc, pDest, VGA_DIALOG_EDGE_WIDTH - 2, xCenter + 2, VGA_DIALOG_EDGE_WIDTH);
pSrc += (VGA_DIALOG_EDGE_WIDTH - 2) + 1 + VGA_DIALOG_EDGE_WIDTH;
pDest += _width;
}
// Dialog sides - note that the same source data gets used for all side lines
for (y = 0; y < yCenter; ++y) {
copyLine(pSrc, pDest, VGA_DIALOG_EDGE_WIDTH, xCenter, VGA_DIALOG_EDGE_WIDTH);
pDest += _width;
}
pSrc += VGA_DIALOG_EDGE_WIDTH * 2 + 1;
// Dialog bottom
for (y = 0; y < 9; ++y) {
copyLine(pSrc, pDest, VGA_DIALOG_EDGE_WIDTH, xCenter + 1, VGA_DIALOG_EDGE_WIDTH - 1);
pSrc += VGA_DIALOG_EDGE_WIDTH + 1 + (VGA_DIALOG_EDGE_WIDTH - 1);
pDest += _width;
}
// Final processing - if black flag set, clear dialog inside area
if (blackFlag) {
Rect r = Rect(VGA_DIALOG_EDGE_WIDTH, VGA_DIALOG_EDGE_WIDTH,
_width - VGA_DIALOG_EDGE_WIDTH, _height-VGA_DIALOG_EDGE_WIDTH);
fillRect(r, 0);
}
}
void Surface::loadScreen(uint16 resourceId) {
MemoryBlock *rawData = Disk::getReference().getEntry(resourceId);
loadScreen(rawData);
delete rawData;
}
void Surface::loadScreen(MemoryBlock *rawData) {
PictureDecoder decoder;
uint16 v = READ_BE_UINT16(rawData->data());
bool is5Bit = (v & 0xfffe) == 0x140;
MemoryBlock *tmpScreen;
if (is5Bit)
// 5-bit decompression
tmpScreen = decoder.egaDecode(rawData, FULL_SCREEN_HEIGHT * FULL_SCREEN_WIDTH + 1);
else
// VGA decompression
tmpScreen = decoder.vgaDecode(rawData, FULL_SCREEN_HEIGHT * FULL_SCREEN_WIDTH + 1);
empty();
_data->copyFrom(tmpScreen, 0, MENUBAR_Y_SIZE * FULL_SCREEN_WIDTH,
(FULL_SCREEN_HEIGHT - MENUBAR_Y_SIZE) * FULL_SCREEN_WIDTH);
delete tmpScreen;
}
int Surface::writeChar(uint16 x, uint16 y, uint8 ascii, bool transparent, int colour) {
byte *const addr = _data->data() + (y * _width) + x;
if (colour == DEFAULT_TEXT_COLOUR)
colour = LureEngine::getReference().isEGA() ? EGA_DIALOG_TEXT_COLOUR : VGA_DIALOG_TEXT_COLOUR;
if ((ascii < 32) || (ascii >= 32 + numFontChars))
error("Invalid ascii character passed for display '%d'", ascii);
uint8 v;
byte *pFont = int_font->data() + ((ascii - 32) * 8);
byte *pDest;
uint8 charWidth = 0;
for (int y1 = 0; y1 < 8; ++y1) {
v = *pFont++;
pDest = addr + (y1 * _width);
for (int x1 = 0; x1 < 8; ++x1, ++pDest) {
if (v & 0x80) {
*pDest = colour;
if (x1+1 > charWidth) charWidth = x1 + 1;
}
else if (!transparent) *pDest = 0;
v = (v << 1) & 0xff;
}
}
return charWidth;
}
void Surface::writeString(uint16 x, uint16 y, Common::String line, bool transparent,
int colour, bool varLength) {
writeSubstring(x, y, line, line.size(), transparent, colour, varLength);
}
void Surface::writeSubstring(uint16 x, uint16 y, Common::String line, int len,
bool transparent, int colour, bool varLength) {
const char *sPtr = line.c_str();
if (colour == DEFAULT_TEXT_COLOUR)
colour = LureEngine::getReference().isEGA() ? EGA_DIALOG_TEXT_COLOUR : VGA_DIALOG_TEXT_COLOUR;
for (int index = 0; (index < len) && (*sPtr != '\0'); ++index, ++sPtr) {
int charSize = varLength ? fontSize[(uint8)*sPtr - 32] + 2 : FONT_WIDTH;
if (x + charSize >= width())
// Passed the right hand edge of the surface
break;
// Write next character
writeChar(x, y, (uint8) *sPtr, transparent, colour);
// Move to after the character in preparation for the next character
x += charSize;
}
}
void Surface::transparentCopyTo(Surface *dest) {
if (dest->width() != _width)
error("Incompatible surface sizes for transparent copy");
byte *pSrc = _data->data();
byte *pDest = dest->data().data();
uint16 numBytes = MIN(_height,dest->height()) * FULL_SCREEN_WIDTH;
while (numBytes-- > 0) {
if (*pSrc) *pDest = *pSrc;
++pSrc;
++pDest;
}
}
void Surface::copyTo(Surface *dest) {
copyTo(dest, 0, 0);
}
void Surface::copyTo(Surface *dest, uint16 x, uint16 y) {
if ((x == 0) && (dest->width() == _width)) {
// Use fast data transfer
uint32 dataSize = dest->data().size() - (y * _width);
if (dataSize > _data->size()) dataSize = _data->size();
dest->data().copyFrom(_data, 0, y * _width, dataSize);
} else {
// Use slower transfer
Rect rect;
rect.left = 0; rect.top = 0;
rect.right = _width-1; rect.bottom = _height-1;
copyTo(dest, rect, x, y);
}
}
void Surface::copyTo(Surface *dest, const Rect &srcBounds,
uint16 destX, uint16 destY, int transparentColour) {
int numBytes = srcBounds.right - srcBounds.left + 1;
if (destX + numBytes > dest->width())
numBytes = dest->width() - destX;
if (numBytes <= 0) return;
for (uint16 y=0; y<=(srcBounds.bottom-srcBounds.top); ++y) {
const uint32 srcPos = (srcBounds.top + y) * _width + srcBounds.left;
const uint32 destPos = (destY+y) * dest->width() + destX;
if (transparentColour == -1) {
// No trnnsparent colour, so copy all the bytes of the line
dest->data().copyFrom(_data, srcPos, destPos, numBytes);
} else {
byte *pSrc = _data->data() + srcPos;
byte *pDest = dest->data().data() + destPos;
int bytesCtr = numBytes;
while (bytesCtr-- > 0) {
if (*pSrc != (uint8) transparentColour)
*pDest = *pSrc;
++pSrc;
++pDest;
}
}
}
}
void Surface::copyFrom(MemoryBlock *src, uint32 destOffset) {
uint32 size = _data->size() - destOffset;
if (src->size() > size) size = src->size();
_data->copyFrom(src, 0, destOffset, size);
}
// fillRect
// Fills a rectangular area with a colour
void Surface::fillRect(const Rect &r, uint8 colour) {
for (int yp = r.top; yp <= r.bottom; ++yp) {
byte *const addr = _data->data() + (yp * _width) + r.left;
memset(addr, colour, r.width());
}
}
void Surface::createDialog(bool blackFlag) {
if (LureEngine::getReference().isEGA())
egaCreateDialog(blackFlag);
else
vgaCreateDialog(blackFlag);
}
void Surface::copyToScreen(uint16 x, uint16 y) {
OSystem &system = *g_system;
system.copyRectToScreen(_data->data(), _width, x, y, _width, _height);
system.updateScreen();
}
void Surface::centerOnScreen() {
OSystem &system = *g_system;
system.copyRectToScreen(_data->data(), _width,
(FULL_SCREEN_WIDTH - _width) / 2, (FULL_SCREEN_HEIGHT - _height) / 2,
_width, _height);
system.updateScreen();
}
uint16 Surface::textWidth(const char *s, int numChars) {
uint16 result = 0;
if (numChars == 0) numChars = strlen(s);
while (numChars-- > 0) {
uint8 charIndex = (uint8)*s++ - 32;
assert(charIndex < numFontChars);
result += fontSize[charIndex] + 2;
}
return result;
}
void Surface::wordWrap(char *text, uint16 width, char **&lines, uint8 &numLines) {
debugC(ERROR_INTERMEDIATE, kLureDebugStrings, "wordWrap(text=%s, width=%d", text, width);
numLines = 1;
uint16 lineWidth = 0;
char *s;
bool newLine;
s = text;
// Scan through the text and insert NULLs to break the line into allowable widths
while (*s != '\0') {
char *wordStart = s;
while (*wordStart == ' ') ++wordStart;
char *wordEnd = strchr(wordStart, ' ');
char *wordEnd2 = strchr(wordStart, '\n');
if ((!wordEnd) || ((wordEnd2) && (wordEnd2 < wordEnd))) {
wordEnd = wordEnd2;
newLine = (wordEnd2 != NULL);
} else {
newLine = false;
}
debugC(ERROR_DETAILED, kLureDebugStrings, "word scanning: start=%xh, after=%xh, newLine=%d",
(uint32)(wordStart - text), (uint32)((wordEnd == NULL) ? -1 : wordEnd - text), newLine ? 1 : 0);
if (wordEnd) {
if (*wordEnd != '\0') --wordEnd;
} else {
wordEnd = strchr(wordStart, '\0') - 1;
}
int wordBytes = (int) (wordEnd - s + 1);
uint16 wordSize = (wordBytes == 0) ? 0 : textWidth(s, wordBytes);
if (gDebugLevel >= ERROR_DETAILED) {
char wordBuffer[MAX_DESC_SIZE];
strncpy(wordBuffer, wordStart, wordBytes);
wordBuffer[wordBytes] = '\0';
debugC(ERROR_DETAILED, kLureDebugStrings, "word='%s', size=%d", wordBuffer, wordSize);
}
if (lineWidth + wordSize > width) {
// Break word onto next line
*(wordStart - 1) = '\0';
++numLines;
lineWidth = 0;
wordEnd = wordStart - 1;
} else if (newLine) {
// Break on newline
++numLines;
*++wordEnd = '\0';
lineWidth = 0;
} else {
// Add word's length to total for line
lineWidth += wordSize;
}
s = wordEnd+1;
}
// Set up a list for the start of each line
lines = (char **) Memory::alloc(sizeof(char *) * numLines);
lines[0] = text;
debugC(ERROR_DETAILED, kLureDebugStrings, "wordWrap lines[0]='%s'", lines[0]);
for (int ctr = 1; ctr < numLines; ++ctr) {
lines[ctr] = strchr(lines[ctr-1], 0) + 1;
debugC(ERROR_DETAILED, kLureDebugStrings, "wordWrap lines[%d]='%s'", ctr, lines[ctr]);
}
debugC(ERROR_INTERMEDIATE, kLureDebugStrings, "wordWrap end - numLines=%d", numLines);
}
Surface *Surface::newDialog(uint16 width, uint8 numLines, const char **lines, bool varLength,
int colour, bool squashedLines) {
Point size;
Surface::getDialogBounds(size, 0, numLines, squashedLines);
Surface *s = new Surface(width, size.y);
s->createDialog();
uint16 yP = Surface::textY();
for (uint8 ctr = 0; ctr < numLines; ++ctr) {
s->writeString(Surface::textX(), yP, lines[ctr], true, colour, varLength);
yP += squashedLines ? FONT_HEIGHT - 1 : FONT_HEIGHT;
}
return s;
}
Surface *Surface::newDialog(uint16 width, const char *line, int colour) {
char **lines;
char *lineCopy = strdup(line);
uint8 numLines;
wordWrap(lineCopy, width - (Surface::textX() * 2), lines, numLines);
// Create the dialog
Surface *result = newDialog(width, numLines, const_cast<const char **>(lines), true, colour);
// Deallocate used resources
free(lines);
free(lineCopy);
return result;
}
Surface *Surface::getScreen(uint16 resourceId) {
MemoryBlock *block = Disk::getReference().getEntry(resourceId);
PictureDecoder d;
MemoryBlock *decodedData = d.decode(block);
delete block;
return new Surface(decodedData, FULL_SCREEN_WIDTH, decodedData->size() / FULL_SCREEN_WIDTH);
}
bool Surface::getString(Common::String &line, int maxSize, bool isNumeric, bool varLength, int16 x, int16 y) {
OSystem &system = *g_system;
LureEngine &engine = LureEngine::getReference();
Mouse &mouse = Mouse::getReference();
Events &events = Events::getReference();
Screen &screen = Screen::getReference();
uint8 bgColour = *(screen.screen().data().data() + (y * FULL_SCREEN_WIDTH) + x);
String newLine(line);
bool abortFlag = false;
bool refreshFlag = false;
bool vKbdFlag = g_system->hasFeature(OSystem::kFeatureVirtualKeyboard);
if (!vKbdFlag)
mouse.cursorOff();
else
g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, true);
// Insert a cursor character at the end of the string
newLine.insertChar('_', newLine.size());
while (!abortFlag) {
// Display the string
screen.screen().writeString(x, y, newLine, true, DEFAULT_TEXT_COLOUR, varLength);
screen.update();
int stringSize = textWidth(newLine.c_str());
// Loop until the input string changes
refreshFlag = false;
while (!refreshFlag && !abortFlag) {
abortFlag = engine.shouldQuit();
if (abortFlag) break;
while (events.pollEvent()) {
if (events.type() == Common::EVENT_KEYDOWN) {
char ch = events.event().kbd.ascii;
uint16 keycode = events.event().kbd.keycode;
if ((keycode == Common::KEYCODE_RETURN) || (keycode == Common::KEYCODE_KP_ENTER)) {
// Return character
screen.screen().fillRect(
Rect(x, y, x + maxSize - 1, y + FONT_HEIGHT), bgColour);
screen.update();
newLine.deleteLastChar();
line = newLine;
if (!vKbdFlag)
mouse.cursorOn();
return true;
}
else if (keycode == Common::KEYCODE_ESCAPE) {
// Escape character
screen.screen().fillRect(
Rect(x, y, x + maxSize - 1, y + FONT_HEIGHT), bgColour);
screen.update();
abortFlag = true;
} else if (keycode == Common::KEYCODE_BACKSPACE) {
// Delete the last character
if (newLine.size() == 1) continue;
screen.screen().fillRect(
Rect(x, y, x + maxSize - 1, y + FONT_HEIGHT), bgColour);
newLine.deleteChar(newLine.size() - 2);
refreshFlag = true;
} else if ((ch >= ' ') && (stringSize + 8 < maxSize)) {
if (((ch >= '0') && (ch <= '9')) || !isNumeric) {
screen.screen().fillRect(
Rect(x, y, x + maxSize - 1, y + FONT_HEIGHT), bgColour);
newLine.insertChar(ch, newLine.size() - 1);
refreshFlag = true;
}
}
}
}
system.updateScreen();
system.delayMillis(10);
}
}
if (!vKbdFlag)
mouse.cursorOn();
else
g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, false);
return false;
}
/*--------------------------------------------------------------------------*/
void Dialog::show(const char *text) {
debugC(ERROR_BASIC, kLureDebugStrings, "Dialog::show text=%s", text);
Screen &screen = Screen::getReference();
Mouse &mouse = Mouse::getReference();
Room &room = Room::getReference();
mouse.cursorOff();
room.update();
debugC(ERROR_DETAILED, kLureDebugStrings, "Dialog::show creating dialog");
Surface *s = Surface::newDialog(INFO_DIALOG_WIDTH, text);
debugC(ERROR_DETAILED, kLureDebugStrings, "Dialog::show created dialog");
s->copyToScreen(INFO_DIALOG_X, INFO_DIALOG_Y);
debugC(ERROR_DETAILED, kLureDebugStrings, "Dialog::show copied to screen");
// Wait for a keypress or mouse button
Events::getReference().waitForPress();
screen.update();
mouse.cursorOn();
delete s;
}
void Dialog::show(uint16 stringId, const char *hotspotName, const char *characterName) {
debugC(ERROR_BASIC, kLureDebugStrings, "Hotspot::showMessage stringId=%xh hotspot=%s, character=%s",
stringId, hotspotName, characterName);
char buffer[MAX_DESC_SIZE];
StringData &sl = StringData::getReference();
sl.getString(stringId, buffer, hotspotName, characterName);
show(buffer);
}
void Dialog::show(uint16 stringId) {
show(stringId, NULL, NULL);
}
/*--------------------------------------------------------------------------*/
const uint16 spanish_pre_e1_type_tl[] = {0x8000, 4, 0x4000, 5, 0x2000, 6, 0xc000, 7, 0, 0};
const uint16 spanish_others_tl[] = {0x8000, 0, 0x4000, 1, 0x2000, 2, 0xc000, 3, 0, 0};
const uint16 german_pre_k_type[] = {106, 0};
const uint16 german_pre_k_type_tl[] = {0x8000, 0, 0xc000, 0, 0x4000, 1, 0xa000, 1, 0x2000, 2, 0, 0};
const uint16 german_pre_d[] = {128, 0};
const uint16 german_pre_d_tl[] = {0x8000, 6, 0x4000, 4, 0xa000, 4, 0x2000, 5, 0xc000, 6, 0, 0};
const uint16 german_pre_d_type[] = {158, 236, 161, 266, 280, 287, 286, 294, 264, 0};
const uint16 german_pre_d_type_tl[] = {0x8000, 3, 0x4000, 4, 0xa000, 4, 0x2000, 5, 0xc000, 6, 0, 0};
const uint16 german_pre_e_type[] = {160, 0};
const uint16 german_pre_e_type_tl[] = {0x8000, 7, 0xc000, 7, 0x4000, 8, 0xa000, 8, 0x2000, 9, 0, 0};
struct GermanLanguageArticle {
const uint16 *messageList;
const uint16 *translations;
};
const GermanLanguageArticle germanArticles[] = {
{&german_pre_k_type[0], &german_pre_k_type_tl[0]},
{&german_pre_d[0], &german_pre_d_tl[0]},
{&german_pre_d_type[0], &german_pre_d_type_tl[0]},
{&german_pre_e_type[0], &german_pre_e_type_tl[0]}
};
int TalkDialog::getArticle(uint16 msgId, uint16 objId) {
Common::Language language = LureEngine::getReference().getLanguage();
int id = objId & 0xe000;
if (language == DE_DEU) {
// Special handling for German language
for (int sectionIndex = 0; sectionIndex < 4; ++sectionIndex) {
// Scan through the list of messages for this section
bool msgFound = false;
for (const uint16 *msgPtr = germanArticles[sectionIndex].messageList; *msgPtr != 0; ++msgPtr) {
msgFound = *msgPtr == msgId;
if (msgFound) break;
}
if (msgFound) {
// Scan against possible bit combinations
for (const uint16 *p = germanArticles[sectionIndex].translations; *p != 0; p += 2) {
if (*p == id)
// Return the article index to use
return *++p + 1;
}
return 0;
}
}
return 0;
} else if (language == ES_ESP) {
// Special handling for Spanish langugae
const uint16 *tlData = (msgId == 158) ? spanish_pre_e1_type_tl : spanish_others_tl;
// Scan through the list of article bitflag mappings
for (const uint16 *p = tlData; *p != 0; p += 2) {
if (*p == id)
// Return the article index to use
return *++p + 1;
}
return 0;
}
return (id >> 13) + 1;
}
void TalkDialog::vgaTalkDialog(Surface *s) {
Resources &res = Resources::getReference();
// Draw the dialog
byte *pSrc = res.getTalkDialogData().data();
byte *pDest = s->data().data();
int xPos, yPos;
// Handle the dialog top
for (yPos = 0; yPos < TALK_DIALOG_EDGE_SIZE; ++yPos) {
*pDest++ = *pSrc++;
*pDest++ = *pSrc++;
for (xPos = 0; xPos < TALK_DIALOG_WIDTH - TALK_DIALOG_EDGE_SIZE - 2; ++xPos)
*pDest++ = *pSrc;
++pSrc;
for (xPos = 0; xPos < TALK_DIALOG_EDGE_SIZE; ++xPos)
*pDest++ = *pSrc++;
}
// Handle the middle section
for (yPos = 0; yPos < _surface->height() - TALK_DIALOG_EDGE_SIZE * 2; ++yPos) {
byte *pSrcTemp = pSrc;
// Left edge
for (xPos = 0; xPos < TALK_DIALOG_EDGE_SIZE; ++xPos)
*pDest++ = *pSrcTemp++;
// Middle section
for (xPos = 0; xPos < _surface->width() - TALK_DIALOG_EDGE_SIZE * 2; ++xPos)
*pDest++ = *pSrcTemp;
++pSrcTemp;
// Right edge
for (xPos = 0; xPos < TALK_DIALOG_EDGE_SIZE; ++xPos)
*pDest++ = *pSrcTemp++;
}
// Bottom section
pSrc += TALK_DIALOG_EDGE_SIZE * 2 + 1;
for (yPos = 0; yPos < TALK_DIALOG_EDGE_SIZE; ++yPos) {
for (xPos = 0; xPos < TALK_DIALOG_EDGE_SIZE; ++xPos)
*pDest++ = *pSrc++;
for (xPos = 0; xPos < TALK_DIALOG_WIDTH - TALK_DIALOG_EDGE_SIZE - 2; ++xPos)
*pDest++ = *pSrc;
++pSrc;
*pDest++ = *pSrc++;
*pDest++ = *pSrc++;
}
}
TalkDialog::TalkDialog(uint16 characterId, uint16 destCharacterId, uint16 activeItemId, uint16 descId) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "TalkDialog(chars=%xh/%xh, item=%d, str=%d",
characterId, destCharacterId, activeItemId, descId);
StringData &strings = StringData::getReference();
Resources &res = Resources::getReference();
char srcCharName[MAX_DESC_SIZE];
char destCharName[MAX_DESC_SIZE];
char itemName[MAX_DESC_SIZE];
int characterArticle = 0, hotspotArticle = 0;
bool isEGA = LureEngine::getReference().isEGA();
_characterId = characterId;
_destCharacterId = destCharacterId;
_activeItemId = activeItemId;
_descId = descId;
HotspotData *talkingChar = res.getHotspot(characterId);
HotspotData *destCharacter = (destCharacterId == 0) ? NULL :
res.getHotspot(destCharacterId);
HotspotData *itemHotspot = (activeItemId == 0) ? NULL :
res.getHotspot(activeItemId);
assert(talkingChar);
strings.getString(talkingChar->nameId & 0x1fff, srcCharName);
strcpy(destCharName, "");
if (destCharacter != NULL) {
strings.getString(destCharacter->nameId, destCharName);
characterArticle = getArticle(descId, destCharacter->nameId);
}
strcpy(itemName, "");
if (itemHotspot != NULL) {
strings.getString(itemHotspot->nameId & 0x1fff, itemName);
hotspotArticle = getArticle(descId, itemHotspot->nameId);
}
strings.getString(descId, _desc, itemName, destCharName, hotspotArticle, characterArticle);
// Apply word wrapping to figure out the needed size of the dialog
Surface::wordWrap(_desc, TALK_DIALOG_WIDTH - (TALK_DIALOG_EDGE_SIZE + 3) * 2,
_lines, _numLines);
_endLine = 0; _endIndex = 0;
debugC(ERROR_DETAILED, kLureDebugAnimations, "Creating talk dialog for %d lines", _numLines);
_surface = new Surface(TALK_DIALOG_WIDTH,
(_numLines + 1) * FONT_HEIGHT + TALK_DIALOG_EDGE_SIZE * 4);
if (isEGA)
_surface->createDialog();
else
vgaTalkDialog(_surface);
_wordCountdown = 0;
// Write out the character name
uint16 charWidth = Surface::textWidth(srcCharName);
byte white = LureEngine::getReference().isEGA() ? EGA_DIALOG_WHITE_COLOUR : VGA_DIALOG_WHITE_COLOUR;
_surface->writeString((TALK_DIALOG_WIDTH - charWidth) / 2, TALK_DIALOG_EDGE_SIZE + 2,
srcCharName, true, white);
debugC(ERROR_DETAILED, kLureDebugAnimations, "TalkDialog end");
}
TalkDialog::~TalkDialog() {
Memory::dealloc(_lines);
delete _surface;
}
void TalkDialog::copyTo(Surface *dest, uint16 x, uint16 y) {
if (_endLine < _numLines) {
if (_wordCountdown > 0) {
// Handle delay between words
--_wordCountdown;
} else {
// Set a delay before the next word is displayed
Game &game = Game::getReference();
_wordCountdown = game.fastTextFlag() ? 0 : 1;
// Scan forward to find the next word break
char ch = '\0';
bool wordFlag = false;
while (!wordFlag) {
ch = _lines[_endLine][++_endIndex];
wordFlag = (ch == ' ') || (ch == '\0');
}
// Write out the completed portion of the current line
_surface->writeSubstring(TALK_DIALOG_EDGE_SIZE + 2,
TALK_DIALOG_EDGE_SIZE + 4 + (_endLine + 1) * FONT_HEIGHT,
_lines[_endLine], _endIndex, true);
// If at end of line, move to next line for next time
if (ch == '\0') {
++_endLine;
_endIndex = -1;
}
}
}
_surface->copyTo(dest, x, y);
}
void TalkDialog::saveToStream(Common::WriteStream *stream) {
stream->writeUint16LE(_characterId);
stream->writeUint16LE(_destCharacterId);
stream->writeUint16LE(_activeItemId);
stream->writeUint16LE(_descId);
stream->writeSint16LE(_endLine);
stream->writeSint16LE(_endIndex);
stream->writeSint16LE(_wordCountdown);
}
TalkDialog *TalkDialog::loadFromStream(Common::ReadStream *stream) {
uint16 characterId = stream->readUint16LE();
if (characterId == 0)
return NULL;
uint16 destCharacterId = stream->readUint16LE();
uint16 activeItemId = stream->readUint16LE();
uint16 descId = stream->readUint16LE();
TalkDialog *dialog = new TalkDialog(characterId, destCharacterId, activeItemId, descId);
dialog->_endLine = stream->readSint16LE();
dialog->_endIndex = stream->readSint16LE();
dialog->_wordCountdown = stream->readSint16LE();
return dialog;
}
/*--------------------------------------------------------------------------*/
#define SR_SEPARATOR_Y 21
#define SR_SEPARATOR_X 5
#define SR_SEPARATOR_HEIGHT 5
#define SR_SAVEGAME_NAMES_Y (SR_SEPARATOR_Y + SR_SEPARATOR_HEIGHT + 1)
void SaveRestoreDialog::toggleHightlight(int xs, int xe, int ys, int ye) {
Screen &screen = Screen::getReference();
byte *addr = screen.screen().data().data() + FULL_SCREEN_WIDTH * ys + xs;
const byte colourList[4] = {EGA_DIALOG_TEXT_COLOUR, EGA_DIALOG_WHITE_COLOUR,
VGA_DIALOG_TEXT_COLOUR, VGA_DIALOG_WHITE_COLOUR};
const byte *colours = LureEngine::getReference().isEGA() ? &colourList[0] : &colourList[2];
for (int y = 0; y < ye - ys + 1; ++y, addr += FULL_SCREEN_WIDTH) {
for (int x = 0; x < xe - xs + 1; ++x) {
if (addr[x] == colours[0]) addr[x] = colours[1];
else if (addr[x] == colours[1]) addr[x] = colours[0];
}
}
screen.update();
}
bool SaveRestoreDialog::show(bool saveDialog) {
OSystem &system = *g_system;
Screen &screen = Screen::getReference();
Mouse &mouse = Mouse::getReference();
Events &events = Events::getReference();
Resources &res = Resources::getReference();
LureEngine &engine = LureEngine::getReference();
int selectedLine = -1;
int index;
// Figure out a list of present savegames
String **saveNames = (String **)Memory::alloc(sizeof(String *) * MAX_SAVEGAME_SLOTS);
int numSaves = 0;
while ((numSaves < MAX_SAVEGAME_SLOTS) &&
((saveNames[numSaves] = engine.detectSave(numSaves + 1)) != NULL))
++numSaves;
// For the save dialog, if all the slots have not been used up, create a
// blank entry for a new savegame
if (saveDialog && (numSaves < MAX_SAVEGAME_SLOTS))
saveNames[numSaves++] = new String();
// For the restore dialog, if there are no savegames, return immediately
if (!saveDialog && (numSaves == 0)) {
Memory::dealloc(saveNames);
return false;
}
Surface *s = new Surface(INFO_DIALOG_WIDTH, SR_SAVEGAME_NAMES_Y +
numSaves * FONT_HEIGHT + FONT_HEIGHT + 2);
// Create the outer dialog and dividing line
s->createDialog();
byte *pDest = s->data().data() + (s->width() * SR_SEPARATOR_Y) + SR_SEPARATOR_X;
uint8 rowColours[5] = {*(pDest-2), *(pDest-1), *(pDest-1), *(pDest-2), *(pDest+1)};
for (int y = 0; y < SR_SEPARATOR_HEIGHT; ++y, pDest += s->width())
memset(pDest, rowColours[y], s->width() - 12);
// Create title line
Common::String title(res.stringList().getString(
saveDialog ? S_SAVE_GAME : S_RESTORE_GAME));
s->writeString((s->width() - s->textWidth(title.c_str())) / 2, FONT_HEIGHT+2, title, true);
// Write out any existing save names
for (index = 0; index < numSaves; ++index)
s->writeString(Surface::textX(), SR_SAVEGAME_NAMES_Y + (index * 8), saveNames[index]->c_str(), true);
// Display the dialog
s->copyTo(&screen.screen(), SAVE_DIALOG_X, SAVE_DIALOG_Y);
screen.update();
mouse.pushCursorNum(CURSOR_ARROW);
Sound.pause();
bool abortFlag = false;
bool doneFlag = false;
while (!abortFlag && !doneFlag) {
// Provide highlighting of lines to select a save slot
while (!abortFlag && !(mouse.lButton() && (selectedLine != -1))
&& !mouse.rButton() && !mouse.mButton()) {
abortFlag = engine.shouldQuit();
if (abortFlag) break;
while (events.pollEvent()) {
if ((events.type() == Common::EVENT_KEYDOWN) &&
(events.event().kbd.keycode == Common::KEYCODE_ESCAPE)) {
abortFlag = true;
break;
}
if (events.type() == Common::EVENT_MOUSEMOVE ||
events.type() == Common::EVENT_WHEELUP || events.type() == Common::EVENT_WHEELDOWN) {
// Mouse movement
int lineNum = 0;
if (events.type() == Common::EVENT_MOUSEMOVE) {
if ((mouse.x() < (SAVE_DIALOG_X + Surface::textX())) ||
(mouse.x() >= (SAVE_DIALOG_X + s->width() - Surface::textX())) ||
(mouse.y() < SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y) ||
(mouse.y() >= SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + numSaves * FONT_HEIGHT))
// Outside displayed lines
lineNum = -1;
else
lineNum = (mouse.y() - (SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y)) / FONT_HEIGHT;
} else if (events.type() == Common::EVENT_WHEELUP) {
if (selectedLine > 0) {
lineNum = selectedLine - 1;
}
} else if (events.type() == Common::EVENT_WHEELDOWN) {
if (selectedLine < numSaves - 1) {
lineNum = selectedLine + 1;
}
}
if (lineNum != selectedLine) {
if (selectedLine != -1)
// Deselect previously selected line
toggleHightlight(SAVE_DIALOG_X + Surface::textX(),
SAVE_DIALOG_X + s->width() - Surface::textX(),
SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT,
SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + (selectedLine + 1) * FONT_HEIGHT - 1);
// Highlight new line
selectedLine = lineNum;
if (selectedLine != -1)
toggleHightlight(SAVE_DIALOG_X + Surface::textX(),
SAVE_DIALOG_X + s->width() - Surface::textX(),
SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT,
SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + (selectedLine + 1) * FONT_HEIGHT - 1);
}
}
}
system.updateScreen();
system.delayMillis(10);
}
// Deselect selected row
if (selectedLine != -1)
toggleHightlight(SAVE_DIALOG_X + Surface::textX(),
SAVE_DIALOG_X + s->width() - Surface::textX(),
SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT,
SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + (selectedLine + 1) * FONT_HEIGHT - 1);
if (mouse.lButton() || mouse.rButton() || mouse.mButton()) {
abortFlag = mouse.rButton();
mouse.waitForRelease();
}
if (abortFlag) break;
// If in save mode, allow the entry of a new savename
if (saveDialog) {
if (!screen.screen().getString(*saveNames[selectedLine],
INFO_DIALOG_WIDTH - (Surface::textX() * 2),
false, true, SAVE_DIALOG_X + Surface::textX(),
SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT)) {
// Aborted out of name selection, so restore old name and
// go back to slot selection
screen.screen().writeString(
SAVE_DIALOG_X + Surface::textX(),
SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + selectedLine * FONT_HEIGHT,
saveNames[selectedLine]->c_str(), true);
selectedLine = -1;
continue;
}
}
doneFlag = true;
}
delete s;
Sound.resume();
int errorFlag = 0;
if (doneFlag) {
// Handle save or restore
if (saveDialog) {
doneFlag = engine.saveGame(selectedLine + 1, *saveNames[selectedLine]);
if (!doneFlag)
errorFlag = 1;
} else {
doneFlag = engine.loadGame(selectedLine + 1);
if (!doneFlag)
errorFlag = 2;
}
}
mouse.popCursor();
// Free savegame caption list
for (index = 0; index < numSaves; ++index) delete saveNames[index];
Memory::dealloc(saveNames);
if (errorFlag != 0) {
Room::getReference().update();
screen.update();
if (errorFlag == 1)
Dialog::show("Error occurred saving the game");
else if (errorFlag == 2)
Dialog::show("Error occurred loading the savegame");
}
return doneFlag;
}
/*--------------------------------------------------------------------------*/
struct RestartRecordPos {
int16 x, y;
};
struct RestartRecord {
Common::Language Language;
int16 width, height;
RestartRecordPos BtnRestart;
RestartRecordPos BtnRestore;
};
static const RestartRecord buttonBounds[] = {
{ EN_ANY, 48, 14, { 118, 152 }, { 168, 152 } },
{ DE_DEU, 48, 14, { 106, 152 }, { 168, 152 } },
{ UNK_LANG, 48, 14, { 112, 152 }, { 168, 152 } }
};
bool RestartRestoreDialog::show() {
Resources &res = Resources::getReference();
Events &events = Events::getReference();
Mouse &mouse = Mouse::getReference();
Screen &screen = Screen::getReference();
LureEngine &engine = LureEngine::getReference();
Sound.killSounds();
Sound.musicInterface_Play(60, 0);
mouse.setCursorNum(CURSOR_ARROW);
// See if there are any savegames that can be restored
String *firstSave = engine.detectSave(1);
bool restartFlag = (firstSave == NULL);
int highlightedButton = -1;
if (!restartFlag) {
Memory::dealloc(firstSave);
// Get the correct button bounds record to use
const RestartRecord *btnRecord = &buttonBounds[0];
while ((btnRecord->Language != engine.getLanguage()) &&
(btnRecord->Language != UNK_LANG))
++btnRecord;
// Fade out the screen
screen.paletteFadeOut(RES_PALETTE_ENTRIES);
// Get the palette that will be used, and first fade out the prior screen
Palette p(RESTART_RESOURCE_ID - 1);
// Turn on the mouse
mouse.cursorOn();
// Load the restore/restart screen image
Surface *s = Surface::getScreen(RESTART_RESOURCE_ID);
s->copyTo(&screen.screen(), 0, MENUBAR_Y_SIZE);
delete s;
res.activeHotspots().clear();
Hotspot *btnHotspot = new Hotspot();
// Restart button
btnHotspot->setSize(btnRecord->width, btnRecord->height);
btnHotspot->setPosition(btnRecord->BtnRestart.x, btnRecord->BtnRestart.y);
btnHotspot->setAnimation(0x184B);
btnHotspot->copyTo(&screen.screen());
// Restore button
btnHotspot->setFrameNumber(1);
btnHotspot->setPosition(btnRecord->BtnRestore.x, btnRecord->BtnRestore.y);
btnHotspot->copyTo(&screen.screen());
screen.update();
screen.paletteFadeIn(&p);
// Event loop for making selection
bool buttonPressed = false;
while (!engine.shouldQuit()) {
// Handle events
while (events.pollEvent()) {
if ((events.type() == Common::EVENT_LBUTTONDOWN) && (highlightedButton != -1)) {
mouse.waitForRelease();
buttonPressed = true;
break;
}
}
if (buttonPressed)
break;
// Check if the pointer is over either button
int currentButton = -1;
if ((mouse.y() >= btnRecord->BtnRestart.y) &&
(mouse.y() < btnRecord->BtnRestart.y + btnRecord->height)) {
// Check whether the Restart or Restore button is highlighted
if ((mouse.x() >= btnRecord->BtnRestart.x) &&
(mouse.x() < btnRecord->BtnRestart.x + btnRecord->width))
currentButton = 0;
else if ((mouse.x() >= btnRecord->BtnRestore.x) &&
(mouse.x() < btnRecord->BtnRestore.x + btnRecord->width))
currentButton = 1;
}
// Take care of highlighting as the selected button changes
if (currentButton != highlightedButton) {
highlightedButton = currentButton;
// Restart button
btnHotspot->setFrameNumber((highlightedButton == 0) ? 2 : 0);
btnHotspot->setPosition(btnRecord->BtnRestart.x, btnRecord->BtnRestart.y);
btnHotspot->copyTo(&screen.screen());
// Restore button
btnHotspot->setFrameNumber((highlightedButton == 1) ? 3 : 1);
btnHotspot->setPosition(btnRecord->BtnRestore.x, btnRecord->BtnRestore.y);
btnHotspot->copyTo(&screen.screen());
}
screen.update();
g_system->delayMillis(10);
}
restartFlag = highlightedButton == 0;
delete btnHotspot;
}
Sound.killSounds();
if (!restartFlag && !engine.shouldQuit()) {
// Need to show Restore game dialog
if (!SaveRestoreDialog::show(false))
// User cancelled, so fall back on Restart
restartFlag = true;
}
return restartFlag;
}
/*--------------------------------------------------------------------------*/
struct ItemDesc {
Common::Language language;
int16 x, y;
uint16 width, height;
uint16 animId;
uint8 startColour;
};
#define PROT_SPR_HEADER 0x1830
#define WORDING_HEADER 0x1839
#define NUMBER_HEADER 0x1842
static const ItemDesc copyProtectElements[] = {
{UNK_LANG, 104, 96, 32, 48, PROT_SPR_HEADER, 0},
{UNK_LANG, 179, 96, 32, 48, PROT_SPR_HEADER, 0},
{EN_ANY, 57, 40, 208, 40, WORDING_HEADER, 32},
{FR_FRA, 57, 40, 208, 40, WORDING_HEADER, 32},
{DE_DEU, 39, 30, 240, 53, WORDING_HEADER, 32},
{NL_NLD, 57, 40, 208, 40, WORDING_HEADER, 32},
{ES_ESP, 57, 40, 208, 40, WORDING_HEADER, 32},
{IT_ITA, 57, 40, 208, 40, WORDING_HEADER, 32},
{UNK_LANG, 138, 168, 16, 8, NUMBER_HEADER, 32},
{UNK_LANG, 145, 168, 16, 8, NUMBER_HEADER, 32},
{UNK_LANG, 164, 168, 16, 8, NUMBER_HEADER, 32},
{UNK_LANG, 171, 168, 16, 8, NUMBER_HEADER, 32},
{UNK_LANG, 0, 0, 0, 0, 0, 0}
};
int pageNumbers[20] = {
4, 10, 16, 22, 5, 11, 17, 23, 6, 12, 18, 7, 13, 19, 8, 14, 20, 9, 15, 21};
CopyProtectionDialog::CopyProtectionDialog() {
// Get objects for the screen
LureEngine &engine = LureEngine::getReference();
const ItemDesc *ptr = &copyProtectElements[0];
while ((ptr->width != 0) || (ptr->height != 0)) {
if ((ptr->language == UNK_LANG) || (ptr->language == engine.getLanguage())) {
Hotspot *h = new Hotspot();
h->setPosition(ptr->x, ptr->y);
h->setSize(ptr->width, ptr->height);
h->setColourOffset(ptr->startColour);
h->setAnimation(ptr->animId);
_hotspots.push_back(HotspotsList::value_type(h));
}
++ptr;
}
}
bool CopyProtectionDialog::show() {
Screen &screen = Screen::getReference();
Events &events = Events::getReference();
LureEngine &engine = LureEngine::getReference();
screen.setPaletteEmpty();
Palette p(COPY_PROTECTION_RESOURCE_ID - 1);
for (int tryCounter = 0; tryCounter < 3; ++tryCounter) {
// Copy the base screen to the output screen
Surface *s = Surface::getScreen(COPY_PROTECTION_RESOURCE_ID);
s->copyTo(&screen.screen(), 0, MENUBAR_Y_SIZE);
delete s;
// Get needed hotspots
HotspotsList::iterator hotspot0 = _hotspots.begin();
HotspotsList::iterator hotspot1 = _hotspots.begin();
for (int i = 0; i < 1; i++)
++hotspot1;
HotspotsList::iterator hotspot2 = _hotspots.begin();
for (int i = 0; i < 2; i++)
++hotspot2;
HotspotsList::iterator hotspot3 = _hotspots.begin();
for (int i = 0; i < 3; i++)
++hotspot3;
HotspotsList::iterator hotspot4 = _hotspots.begin();
for (int i = 0; i < 4; i++)
++hotspot4;
HotspotsList::iterator hotspot5 = _hotspots.begin();
for (int i = 0; i < 5; i++)
++hotspot5;
HotspotsList::iterator hotspot6 = _hotspots.begin();
for (int i = 0; i < 6; i++)
++hotspot6;
// Add wording header and display screen
(hotspot2->get())->setFrameNumber(1);
(hotspot2->get())->copyTo(&screen.screen());
screen.update();
screen.setPalette(&p);
// Cycle through displaying different characters until a key or mouse button is pressed
do {
chooseCharacters();
} while (!events.interruptableDelay(100));
// Change title text to selection
(hotspot2->get())->setFrameNumber(0);
(hotspot2->get())->copyTo(&screen.screen());
screen.update();
// Clear any prior try
_charIndex = 0;
while (!engine.shouldQuit()) {
while (events.pollEvent() && (_charIndex < 4)) {
if (events.type() == Common::EVENT_KEYDOWN) {
if ((events.event().kbd.keycode == Common::KEYCODE_BACKSPACE) && (_charIndex > 0)) {
// Remove the last number typed
--_charIndex;
HotspotsList::iterator tmpHotspot = _hotspots.begin();
for (int i = 0; i < _charIndex + 3; i++)
++tmpHotspot;
(tmpHotspot->get())->setFrameNumber(10); // Blank space
(tmpHotspot->get())->copyTo(&screen.screen());
screen.update();
} else if ((events.event().kbd.keycode >= Common::KEYCODE_0) &&
(events.event().kbd.keycode <= Common::KEYCODE_9)) {
HotspotsList::iterator tmpHotspot = _hotspots.begin();
for (int i = 0; i < _charIndex + 3; i++)
++tmpHotspot;
// Number pressed
(tmpHotspot->get())->setFrameNumber(events.event().kbd.ascii - '0');
(tmpHotspot->get())->copyTo(&screen.screen());
++_charIndex;
}
screen.update();
}
}
g_system->delayMillis(10);
if (_charIndex == 4)
break;
}
if (engine.shouldQuit())
return false;
// At this point, two page numbers have been entered - validate them
int page1 = ((hotspot3->get())->frameNumber() * 10) + (hotspot4->get())->frameNumber();
int page2 = ((hotspot5->get())->frameNumber() * 10) + (hotspot6->get())->frameNumber();
if ((page1 == pageNumbers[(hotspot0->get())->frameNumber()]) &&
(page2 == pageNumbers[(hotspot1->get())->frameNumber()]))
return true;
}
// Copy protection failed
return false;
}
void CopyProtectionDialog::chooseCharacters() {
Screen &screen = Screen::getReference();
Common::RandomSource &rnd = LureEngine::getReference().rnd();
int char1 = rnd.getRandomNumber(19);
int char2 = rnd.getRandomNumber(19);
HotspotsList::iterator curHotspot = _hotspots.begin();
(curHotspot->get())->setFrameNumber(char1);
(curHotspot->get())->copyTo(&screen.screen());
++curHotspot;
(curHotspot->get())->setFrameNumber(char2);
(curHotspot->get())->copyTo(&screen.screen());
screen.update();
}
} // End of namespace Lure
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