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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 "m4/dialogs.h"
#include "common/file.h"
namespace M4 {
static void strToUpper(char *s) {
while (*s) {
*s = toupper(*s);
++s;
}
}
const RGB8 DIALOG_PALETTE[8] = {
{0x80, 0x80, 0x80, 0xff}, {0x90, 0x90, 0x90, 0xff}, {0x70, 0x70, 0x70, 0xff}, {0x9c, 0x9c, 0x9c, 0xff},
{0x80, 0x80, 0x80, 0xff}, {0x90, 0x90, 0x90, 0xff}, {0xDC, 0xDC, 0xDC, 0xff}, {0x00, 0x00, 0x00, 0xff}
};
#define ROR16(v,amt) (((uint16)(v) >> amt) | ((uint16)(v) << (16 - amt)))
void Dialog::initDialog() {
}
void Dialog::incLine() {
_lines.push_back(*new DialogLine());
assert(_lines.size() < 20);
}
void Dialog::writeChars(const char *line) {
assert(_lines.size() > 0);
strcpy(_lines[_lines.size() - 1].data, line);
}
void Dialog::addLine(const char *line) {
}
bool Dialog::matchCommand(const char *s1, const char *s2) {
return strncmp(s1, s2, strlen(s2)) == 0;
}
Dialog::Dialog(M4Engine *vm, const char *msgData): View(vm, Common::Rect(0, 0, 0, 0)) {
assert(msgData);
const char *srcP = msgData;
bool skipLine = false;
bool initFlag = false;
bool cmdFlag = false;
bool crFlag = false;
_screenType = LAYER_DIALOG;
_widthChars = 0;
_dialogIndex = 0;
_askPosition.x = 0;
_askPosition.y = 0;
char dialogLine[256];
char cmdText[80];
char *lineP = &dialogLine[0];
char *cmdP = NULL;
while (*srcP != '\0') {
if (*srcP == '\n') {
// Line completed
*lineP = '\0';
++srcP;
if (!initFlag) {
initDialog();
incLine();
initFlag = true;
} else {
writeChars(dialogLine);
}
} else if (*srcP == '[') {
// Start of a command sequence
cmdFlag = true;
cmdP = &cmdText[0];
++srcP;
continue;
} else if (*srcP == ']') {
// End of a command sequence
*cmdP = '\0';
cmdFlag = false;
strToUpper(cmdText);
if (matchCommand(cmdText, "CENTER"))
// Center command
skipLine = true;
else if (matchCommand(cmdText, "TITLE")) {
// Title command
int id = atoi(cmdText + 5);
if (id > 0)
// Suffix provided - specifies the dialog width in number of chars
_widthChars = id;
} else if (matchCommand(cmdText, "CR")) {
// CR command
if (skipLine)
crFlag = true;
else {
initDialog();
}
} else if (matchCommand(cmdText, "ASK")) {
// doAsk();
} else if (matchCommand(cmdText, "VERB")) {
// Verb/vocab retrieval
/*getVocab(); */
} else if (matchCommand(cmdText, "INDEX")) {
// Index command
_dialogIndex = atoi(cmdText + 5);
} else if (matchCommand(cmdText, "NOUN")) {
// Noun command
} else if (matchCommand(cmdText, "SENTENCE")) {
// Sentence command
} else {
error("Unknown dialog command '%s' encountered", cmdText);
}
}
if (cmdFlag)
*cmdP++ = *srcP;
++srcP;
}
if (!skipLine)
incLine();
// FIXME: Remove dummy dialog test string
incLine();
strcpy(_lines[_lines.size() - 1].data, "Test dialog");
_lines[_lines.size() - 1].xp = 20;
draw();
}
Dialog::~Dialog() {
_vm->_palette->deleteRange(_palette);
delete _palette;
}
void Dialog::draw() {
_vm->_font->setFont(FONT_INTERFACE_MADS);
// Set up the palette for this view
_palette = new RGBList(8, NULL);
_palette->setRange(0, 8, DIALOG_PALETTE);
_vm->_palette->addRange(_palette);
// Calculate bounds
int dlgWidth = _widthChars * (_vm->_font->getMaxWidth() + 1) + 10;
int dlgHeight = (_lines.size() + 1) * (_vm->_font->getHeight() + 1) + 10;
int dialogX = (_vm->_screen->width() - dlgWidth) / 2;
int dialogY = (_vm->_screen->height() - dlgHeight) / 2;
// Create the surface for the dialog
create(dlgWidth, dlgHeight, 1);
_coords.left = dialogX;
_coords.top = dialogY;
_coords.right = dialogX + dlgWidth + 1;
_coords.bottom = dialogY + dlgHeight + 1;
// Ask position
//int askY = (_vm->_font->getHeight() + 1) * _askPosition.y + 3;
// Set up the dialog
fillRect(Common::Rect(0, 0, width(), height()), 3);
setColour(2);
hLine(1, width() - 1, height() - 2); // Bottom edge
hLine(0, width(), height() - 1);
vLine(width() - 2, 2, height()); // Right edge
vLine(width() - 1, 1, height());
// Render dialog interior
uint16 seed = 0xb78e;
for (int yp = 2; yp < (height() - 2); ++yp) {
byte *destP = this->getBasePtr(2, yp);
for (int xp = 2; xp < (width() - 2); ++xp) {
// Adjust the random seed
uint16 v = seed;
seed += 0x181D;
v = ROR16(v, 9);
seed = (seed ^ v) + ROR16(v, 3);
*destP++ = ((seed & 0x10) != 0) ? 1 : 0;
}
}
// Handle drawing the text contents
_vm->_font->setColours(7, 7, 7);
setColour(7);
for (uint lineCtr = 0, yp = 5; lineCtr < _lines.size(); ++lineCtr, yp += _vm->_font->getHeight() + 1) {
if (_lines[lineCtr].xp == 0xff) {
hLine(2, width() - 6, ((_vm->_font->getHeight() + 1) >> 1) + yp);
} else {
Common::Point pt(_lines[lineCtr].xp & 0x7f, yp +
(((_lines[lineCtr].xp & 0x40) != 0) ? 1 : 0));
_vm->_font->writeString(this, _lines[lineCtr].data, pt.x, pt.y, 0, 0);
if (_lines[lineCtr].xp & 0x80)
// Underline needed
hLine(pt.x, pt.x + _vm->_font->getWidth(_lines[lineCtr].data), pt.y);
}
}
// Do final translation of the dialog to game palette
this->translate(_palette);
}
bool Dialog::onEvent(M4EventType eventType, int param1, int x, int y, bool &captureEvents) {
if (_vm->_mouse->getCursorNum() != CURSOR_ARROW)
_vm->_mouse->setCursorNum(CURSOR_ARROW);
captureEvents = true;
if (eventType == MEVENT_LEFT_CLICK) {
captureEvents = false;
_vm->_viewManager->deleteView(this);
}
return true;
}
} // End of namespace M4
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