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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 "common/stdafx.h"
#include "common/events.h"
#include "parallaction/parallaction.h"
namespace Parallaction {
#define SKIPPED_ANSWER 1000
#define MAX_BALLOON_WIDTH 130
#define MAX_PASSWORD_LENGTH 7
#define QUESTION_BALLOON_X 140
#define QUESTION_BALLOON_Y 10
#define QUESTION_CHARACTER_X 190
#define QUESTION_CHARACTER_Y 80
#define ANSWER_CHARACTER_X 10
#define ANSWER_CHARACTER_Y 80
int16 selectAnswer(Question *q, Graphics::Surface*);
int16 getHoverAnswer(int16 x, int16 y, Question *q);
int16 _answerBalloonX[10] = { 80, 120, 150, 150, 150, 0, 0, 0, 0, 0 };
int16 _answerBalloonY[10] = { 10, 70, 130, 0, 0, 0, 0, 0, 0, 0 };
int16 _answerBalloonW[10] = { 0 };
int16 _answerBalloonH[10] = { 0 };
Dialogue *Parallaction::parseDialogue(Script &script) {
// printf("parseDialogue()\n");
uint16 numQuestions = 0;
Dialogue *dialogue = new Dialogue;
Table forwards(20);
fillBuffers(script, true);
while (scumm_stricmp(_tokens[0], "enddialogue")) {
if (scumm_stricmp(_tokens[0], "Question")) continue;
Question *question = new Question;
dialogue->_questions[numQuestions] = question;
forwards.addData(_tokens[1]);
question->_text = parseDialogueString(script);
fillBuffers(script, true);
question->_mood = atoi(_tokens[0]);
uint16 numAnswers = 0;
fillBuffers(script, true);
while (scumm_stricmp(_tokens[0], "endquestion")) { // parse answers
Answer *answer = new Answer;
question->_answers[numAnswers] = answer;
if (_tokens[1][0]) {
Table* flagNames;
uint16 token;
if (!scumm_stricmp(_tokens[1], "global")) {
token = 2;
flagNames = _globalTable;
answer->_yesFlags |= kFlagsGlobal;
} else {
token = 1;
flagNames = _localFlagNames;
}
do {
if (!scumm_strnicmp(_tokens[token], "no", 2)) {
byte _al = flagNames->lookup(_tokens[token]+2);
answer->_noFlags |= 1 << (_al - 1);
} else {
byte _al = flagNames->lookup(_tokens[token]);
answer->_yesFlags |= 1 << (_al - 1);
}
token++;
} while (!scumm_stricmp(_tokens[token++], "|"));
}
answer->_text = parseDialogueString(script);
fillBuffers(script, true);
answer->_mood = atoi(_tokens[0]);
answer->_following._name = parseDialogueString(script);
fillBuffers(script, true);
if (!scumm_stricmp(_tokens[0], "commands")) {
parseCommands(script, answer->_commands);
fillBuffers(script, true);
}
numAnswers++;
}
fillBuffers(script, true);
numQuestions++;
}
// link questions
byte v50[20];
memset(v50, 0, 20);
for (uint16 i = 0; i < numQuestions; i++) {
Question *question = dialogue->_questions[i];
for (uint16 j = 0; j < NUM_ANSWERS; j++) {
Answer *answer = question->_answers[j];
if (answer == 0) continue;
int16 index = forwards.lookup(answer->_following._name);
free(answer->_following._name);
if (index == Table::notFound)
answer->_following._question = 0;
else
answer->_following._question = dialogue->_questions[index - 1];
}
}
return dialogue;
}
char *Parallaction::parseDialogueString(Script &script) {
char vC8[200];
char *vD0 = NULL;
do {
vD0 = script.readLine(vC8, 200);
if (vD0 == 0) return NULL;
vD0 = Common::ltrim(vD0);
} while (strlen(vD0) == 0);
vD0[strlen(vD0)-1] = '\0'; // deletes the trailing '0xA'
// this is critical for Gfx::displayWrappedString to work properly
return strdup(vD0);
}
class DialogueManager {
Parallaction *_vm;
SpeakData *_data;
Dialogue *_dialogue;
bool _askPassword;
bool isNpc;
Cnv *_questioner;
Cnv *_answerer;
Question *_q;
public:
DialogueManager(Parallaction *vm, SpeakData *data) : _vm(vm), _data(data) {
_dialogue = _data->_dialogue;
isNpc = scumm_stricmp(_data->_name, "yourself") && _data->_name[0] != '\0';
_questioner = isNpc ? _vm->_disk->loadTalk(_data->_name) : _vm->_char._talk;
_answerer = _vm->_char._talk;
}
~DialogueManager() {
if (isNpc) {
delete _questioner;
}
}
void run();
protected:
void clear() {
_vm->_gfx->copyScreen(Gfx::kBitBack, Gfx::kBitFront);
}
void displayQuestion();
bool displayAnswers();
bool displayAnswer(uint16 i);
uint16 getAnswer();
int16 selectAnswer();
uint16 askPassword();
int16 getHoverAnswer(int16 x, int16 y);
};
uint16 DialogueManager::askPassword() {
debugC(1, kDebugDialogue, "checkDialoguePassword()");
char password[100];
uint16 passwordLen;
while (true) {
clear();
passwordLen = 0;
strcpy(password, ".......");
Common::Rect r(_answerBalloonW[0], _answerBalloonH[0]);
r.moveTo(_answerBalloonX[0], _answerBalloonY[0]);
_vm->_gfx->drawBalloon(r, 1);
_vm->_gfx->displayWrappedString(_q->_answers[0]->_text, _answerBalloonX[0], _answerBalloonY[0], 3, MAX_BALLOON_WIDTH);
_vm->_gfx->flatBlitCnv(_answerer, 0, ANSWER_CHARACTER_X, ANSWER_CHARACTER_Y, Gfx::kBitFront);
_vm->_gfx->displayString(_answerBalloonX[0] + 5, _answerBalloonY[0] + _answerBalloonH[0] - 15, "> ", 0);
_vm->_gfx->updateScreen();
Common::Event e;
while (e.kbd.ascii != Common::KEYCODE_RETURN && passwordLen < MAX_PASSWORD_LENGTH) {
// FIXME: see comment for updateInput()
if (!g_system->getEventManager()->pollEvent(e)) continue;
if (e.type == Common::EVENT_QUIT)
g_system->quit();
if (e.type != Common::EVENT_KEYDOWN) continue;
if (!isdigit(e.kbd.ascii)) continue;
password[passwordLen] = e.kbd.ascii;
passwordLen++;
password[passwordLen] = '\0';
_vm->_gfx->displayString(_answerBalloonX[0] + 10, _answerBalloonY[0] + _answerBalloonH[0] - 15, password, 0);
_vm->_gfx->updateScreen();
g_system->delayMillis(20);
}
if ((!scumm_stricmp(_vm->_characterName, _doughName) && !scumm_strnicmp(password, "1732461", 7)) ||
(!scumm_stricmp(_vm->_characterName, _donnaName) && !scumm_strnicmp(password, "1622", 4)) ||
(!scumm_stricmp(_vm->_characterName, _dinoName) && !scumm_strnicmp(password, "179", 3))) {
break;
}
}
return 0;
}
bool DialogueManager::displayAnswer(uint16 i) {
uint32 v28 = _localFlags[_vm->_currentLocationIndex];
if (_q->_answers[i]->_yesFlags & kFlagsGlobal)
v28 = _commandFlags | kFlagsGlobal;
// display suitable answers
if (((_q->_answers[i]->_yesFlags & v28) == _q->_answers[i]->_yesFlags) && ((_q->_answers[i]->_noFlags & ~v28) == _q->_answers[i]->_noFlags)) {
_vm->_gfx->getStringExtent(_q->_answers[i]->_text, MAX_BALLOON_WIDTH, &_answerBalloonW[i], &_answerBalloonH[i]);
Common::Rect r(_answerBalloonW[i], _answerBalloonH[i]);
r.moveTo(_answerBalloonX[i], _answerBalloonY[i]);
_vm->_gfx->drawBalloon(r, 1);
_answerBalloonY[i+1] = 10 + _answerBalloonY[i] + _answerBalloonH[i];
_askPassword = _vm->_gfx->displayWrappedString(_q->_answers[i]->_text, _answerBalloonX[i], _answerBalloonY[i], 3, MAX_BALLOON_WIDTH);
return true;
}
_answerBalloonY[i+1] = _answerBalloonY[i];
_answerBalloonY[i] = SKIPPED_ANSWER;
return false;
}
bool DialogueManager::displayAnswers() {
bool displayed = false;
uint16 i = 0;
while (i < NUM_ANSWERS && _q->_answers[i]) {
if (displayAnswer(i))
displayed = true;
i++;
}
_vm->_gfx->updateScreen();
return displayed;
}
void DialogueManager::displayQuestion() {
int16 w = 0, h = 0;
if (!scumm_stricmp(_q->_text, "NULL")) return;
_vm->_gfx->flatBlitCnv(_questioner, _q->_mood & 0xF, QUESTION_CHARACTER_X, QUESTION_CHARACTER_Y, Gfx::kBitFront);
_vm->_gfx->getStringExtent(_q->_text, MAX_BALLOON_WIDTH, &w, &h);
Common::Rect r(w, h);
r.moveTo(QUESTION_BALLOON_X, QUESTION_BALLOON_Y);
_vm->_gfx->drawBalloon(r, _q->_mood & 0x10);
_vm->_gfx->displayWrappedString(_q->_text, QUESTION_BALLOON_X, QUESTION_BALLOON_Y, 0, MAX_BALLOON_WIDTH);
_vm->_gfx->updateScreen();
waitUntilLeftClick();
clear();
return;
}
uint16 DialogueManager::getAnswer() {
uint16 answer = 0;
if (_askPassword == false) {
answer = selectAnswer();
} else {
answer = askPassword();
}
clear();
debugC(1, kDebugDialogue, "runDialogue: user selected answer #%i", answer);
return answer;
}
void DialogueManager::run() {
_askPassword = false;
CommandList *cmdlist = NULL;
_q = _dialogue->_questions[0];
int16 answer;
_vm->_gfx->copyScreen(Gfx::kBitFront, Gfx::kBitBack);
while (_q) {
answer = 0;
displayQuestion();
if (_q->_answers[0] == NULL) break;
_answerBalloonY[0] = 10;
if (scumm_stricmp(_q->_answers[0]->_text, "NULL")) {
if (!displayAnswers()) break;
answer = getAnswer();
cmdlist = &_q->_answers[answer]->_commands;
}
_q = _q->_answers[answer]->_following._question;
}
clear();
if (cmdlist)
_vm->runCommands(*cmdlist);
}
int16 DialogueManager::selectAnswer() {
int16 numAvailableAnswers = 0;
int16 _si = 0;
int16 _di = 0;
int16 i = 0;
for (; _q->_answers[i]; i++) {
if (_answerBalloonY[i] == SKIPPED_ANSWER) continue;
_di = i;
numAvailableAnswers++;
}
_answerBalloonY[i] = 2000;
if (numAvailableAnswers == 1) {
_vm->_gfx->displayWrappedString(_q->_answers[_di]->_text, _answerBalloonX[_di], _answerBalloonY[_di], 0, MAX_BALLOON_WIDTH);
_vm->_gfx->flatBlitCnv(_answerer, _q->_answers[_di]->_mood & 0xF, ANSWER_CHARACTER_X, ANSWER_CHARACTER_Y, Gfx::kBitFront);
_vm->_gfx->updateScreen();
waitUntilLeftClick();
return _di;
}
int16 v2 = -1;
_mouseButtons = kMouseNone;
while (_mouseButtons != kMouseLeftUp) {
_vm->updateInput();
_si = getHoverAnswer(_vm->_mousePos.x, _vm->_mousePos.y);
if (_si != v2) {
if (v2 != -1)
_vm->_gfx->displayWrappedString(_q->_answers[v2]->_text, _answerBalloonX[v2], _answerBalloonY[v2], 3, MAX_BALLOON_WIDTH);
_vm->_gfx->displayWrappedString(_q->_answers[_si]->_text, _answerBalloonX[_si], _answerBalloonY[_si], 0, MAX_BALLOON_WIDTH);
_vm->_gfx->flatBlitCnv(_answerer, _q->_answers[_si]->_mood & 0xF, ANSWER_CHARACTER_X, ANSWER_CHARACTER_Y, Gfx::kBitFront);
}
_vm->_gfx->updateScreen();
g_system->delayMillis(30);
v2 = _si;
}
return _si;
}
//
// finds out which answer is currently selected
//
int16 DialogueManager::getHoverAnswer(int16 x, int16 y) {
int16 top = 1000;
int16 bottom = 1000;
for (int16 _si = 0; _si < NUM_ANSWERS; _si++) {
if (_q->_answers[_si] == NULL) break;
if (_answerBalloonY[_si] != SKIPPED_ANSWER) {
top = _answerBalloonY[_si];
}
int16 _di = _si + 1;
for (; _answerBalloonY[_di] == SKIPPED_ANSWER; _di++) ;
bottom = _answerBalloonY[_di];
// mouse position is compared only with y coordinates
if (y > top && y < bottom) return _si;
}
return 0;
}
void Parallaction::runDialogue(SpeakData *data) {
debugC(1, kDebugDialogue, "runDialogue: starting dialogue '%s'", data->_name);
_gfx->setFont(_dialogueFont);
if (getPlatform() == Common::kPlatformPC)
showCursor(false);
DialogueManager man(this, data);
man.run();
showCursor(true);
return;
}
Answer::Answer() {
_text = NULL;
_mood = 0;
_following._question = NULL;
_noFlags = 0;
_yesFlags = 0;
}
Answer::~Answer() {
if (_text)
free(_text);
}
Question::Question() {
_text = NULL;
_mood = 0;
for (uint32 i = 0; i < NUM_ANSWERS; i++)
_answers[i] = NULL;
}
Question::~Question() {
for (uint32 i = 0; i < NUM_ANSWERS; i++)
if (_answers[i]) delete _answers[i];
free(_text);
}
} // namespace Parallaction
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