scummvm/engines/dm/dialog.cpp
2021-12-26 18:48:43 +01:00

260 lines
11 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Based on the Reverse Engineering work of Christophe Fontanel,
* maintainer of the Dungeon Master Encyclopaedia (http://dmweb.free.fr/)
*/
#include "dm/dialog.h"
#include "dm/gfx.h"
#include "dm/text.h"
#include "dm/eventman.h"
namespace DM {
DialogMan::DialogMan(DMEngine *vm) : _vm(vm) {
_selectedDialogChoice = 0;
}
void DialogMan::dialogDraw(const char *msg1, const char *msg2, const char *choice1, const char *choice2, const char *choice3, const char *choice4, bool screenDialog, bool clearScreen, bool fading) {
static Box constBox1 = Box(0, 223, 101, 125);
static Box constBox2 = Box(0, 223, 76, 100);
static Box constBox3 = Box(0, 223, 51, 75);
static Box dialog2ChoicesPatch = Box(102, 122, 89, 125);
static Box dialog4ChoicesPatch = Box(102, 122, 62, 97);
EventManager &evtMan = *_vm->_eventMan;
DisplayMan &displMan = *_vm->_displayMan;
TextMan &txtMan = *_vm->_textMan;
displMan.loadIntoBitmap(kDMGraphicIdxDialogBox, displMan._bitmapViewport);
//Strangerke: the version should be replaced by a ScummVM/RogueVM (?) string
// TODO: replace with ScummVM version string
txtMan.printTextToBitmap(displMan._bitmapViewport, k112_byteWidthViewport, 192, 7, kDMColorLightGray, kDMColorDarkGary, "V2.2", k136_heightViewport);
int16 choiceCount = 1;
if (choice2)
choiceCount++;
if (choice3)
choiceCount++;
if (choice4)
choiceCount++;
if (fading)
displMan.startEndFadeToPalette(displMan._blankBuffer);
if (clearScreen)
displMan.fillScreen(kDMColorBlack);
displMan._useByteBoxCoordinates = false;
if (choiceCount == 1) {
displMan.blitToBitmap(displMan._bitmapViewport, displMan._bitmapViewport, constBox1, 0, 64, k112_byteWidthViewport, k112_byteWidthViewport, kDMColorNoTransparency, k136_heightViewport, k136_heightViewport);
displMan.blitToBitmap(displMan._bitmapViewport, displMan._bitmapViewport, constBox2, 0, 39, k112_byteWidthViewport, k112_byteWidthViewport, kDMColorNoTransparency, k136_heightViewport, k136_heightViewport);
displMan.blitToBitmap(displMan._bitmapViewport, displMan._bitmapViewport, constBox3, 0, 14, k112_byteWidthViewport, k112_byteWidthViewport, kDMColorNoTransparency, k136_heightViewport, k136_heightViewport);
printCenteredChoice(displMan._bitmapViewport, choice1, 112, 114);
} else if (choiceCount == 2) {
displMan.blitToBitmap(displMan._bitmapViewport, displMan._bitmapViewport, dialog2ChoicesPatch, 102, 52, k112_byteWidthViewport, k112_byteWidthViewport, kDMColorNoTransparency, k136_heightViewport, k136_heightViewport);
printCenteredChoice(displMan._bitmapViewport, choice1, 112, 77);
printCenteredChoice(displMan._bitmapViewport, choice2, 112, 114);
} else if (choiceCount == 3) {
printCenteredChoice(displMan._bitmapViewport, choice1, 112, 77);
printCenteredChoice(displMan._bitmapViewport, choice2, 59, 114);
printCenteredChoice(displMan._bitmapViewport, choice3, 166, 114);
} else if (choiceCount == 4) {
displMan.blitToBitmap(displMan._bitmapViewport, displMan._bitmapViewport, dialog4ChoicesPatch, 102, 99, k112_byteWidthViewport, k112_byteWidthViewport, kDMColorNoTransparency, k136_heightViewport, k136_heightViewport);
printCenteredChoice(displMan._bitmapViewport, choice1, 59, 77);
printCenteredChoice(displMan._bitmapViewport, choice2, 166, 77);
printCenteredChoice(displMan._bitmapViewport, choice3, 59, 114);
printCenteredChoice(displMan._bitmapViewport, choice4, 166, 114);
}
int16 textPosX;
int16 textPosY = 29;
if (msg1) {
char L1312_ac_StringPart1[70];
char L1313_ac_StringPart2[70];
if (isMessageOnTwoLines(msg1, L1312_ac_StringPart1, L1313_ac_StringPart2)) {
textPosY = 21;
textPosX = 113 - ((strlen(L1312_ac_StringPart1) * 6) >> 1);
txtMan.printTextToBitmap(displMan._bitmapViewport, k112_byteWidthViewport, textPosX, textPosY, kDMColorYellow, kDMColorLightBrown, L1312_ac_StringPart1, k136_heightViewport);
textPosY += 8;
textPosX = 113 - ((strlen(L1313_ac_StringPart2) * 6) >> 1);
txtMan.printTextToBitmap(displMan._bitmapViewport, k112_byteWidthViewport, textPosX, textPosY, kDMColorYellow, kDMColorLightBrown, L1313_ac_StringPart2, k136_heightViewport);
textPosY += 8;
} else {
textPosX = 113 - ((strlen(msg1) * 6) >> 1);
txtMan.printTextToBitmap(displMan._bitmapViewport, k112_byteWidthViewport, textPosX, textPosY, kDMColorYellow, kDMColorLightBrown, msg1, k136_heightViewport);
textPosY += 8;
}
}
if (msg2) {
char L1312_ac_StringPart1[70];
char L1313_ac_StringPart2[70];
if (isMessageOnTwoLines(msg2, L1312_ac_StringPart1, L1313_ac_StringPart2)) {
textPosX = 113 - ((strlen(L1312_ac_StringPart1) * 6) >> 1);
txtMan.printTextToBitmap(displMan._bitmapViewport, k112_byteWidthViewport, textPosX, textPosY, kDMColorGold, kDMColorLightBrown, L1312_ac_StringPart1, k136_heightViewport);
textPosY += 8;
textPosX = 113 - ((strlen(L1313_ac_StringPart2) * 6) >> 1);
txtMan.printTextToBitmap(displMan._bitmapViewport, k112_byteWidthViewport, textPosX, textPosY, kDMColorGold, kDMColorLightBrown, L1313_ac_StringPart2, k136_heightViewport);
} else {
textPosX = 113 - ((strlen(msg2) * 6) >> 1);
txtMan.printTextToBitmap(displMan._bitmapViewport, k112_byteWidthViewport, textPosX, textPosY, kDMColorGold, kDMColorLightBrown, msg2, k136_heightViewport);
}
}
if (screenDialog) {
Box displayBox(47, 270, 33, 168);
evtMan.showMouse();
displMan.blitToScreen(displMan._bitmapViewport, &displayBox, k112_byteWidthViewport, kDMColorNoTransparency, k136_heightViewport);
evtMan.hideMouse();
} else {
displMan.drawViewport(k0_viewportNotDungeonView);
_vm->delay(1);
}
if (fading)
displMan.startEndFadeToPalette(displMan._paletteTopAndBottomScreen);
displMan._drawFloorAndCeilingRequested = true;
displMan.updateScreen();
}
void DialogMan::printCenteredChoice(byte *bitmap, const char *str, int16 posX, int16 posY) {
if (str) {
posX -= (strlen(str) * 6) >> 1;
_vm->_textMan->printTextToBitmap(bitmap, k112_byteWidthViewport, posX, posY, kDMColorGold, kDMColorLightBrown, str, k136_heightViewport);
}
}
bool DialogMan::isMessageOnTwoLines(const char *str, char *part1, char *part2) {
uint16 strLength = strlen(str);
if (strLength <= 30)
return false;
strcpy(part1, str);
uint16 splitPosition = strLength >> 1;
while ((splitPosition < strLength) && (part1[splitPosition] != ' '))
splitPosition++;
part1[splitPosition] = '\0';
strcpy(part2, &part1[splitPosition + 1]);
return true;
}
int16 DialogMan::getChoice(uint16 choiceCount, uint16 dialogSetIndex, int16 driveType, int16 automaticChoiceIfFlopyInDrive) {
EventManager &evtMan = *_vm->_eventMan;
DisplayMan &displMan = *_vm->_displayMan;
evtMan.hideMouse();
MouseInput *primaryMouseInputBackup = evtMan._primaryMouseInput;
MouseInput *secondaryMouseInputBackup = evtMan._secondaryMouseInput;
KeyboardInput *primaryKeyboardInputBackup = evtMan._primaryKeyboardInput;
KeyboardInput *secondaryKeyboardInputBackup = evtMan._secondaryKeyboardInput;
evtMan._secondaryMouseInput = nullptr;
evtMan._primaryKeyboardInput = nullptr;
evtMan._secondaryKeyboardInput = nullptr;
evtMan._primaryMouseInput = evtMan._primaryMouseInputDialogSets[dialogSetIndex][choiceCount - 1];
evtMan.discardAllInput();
_selectedDialogChoice = 99;
do {
Common::Event key;
Common::EventType eventType = evtMan.processInput(&key);
evtMan.processCommandQueue();
_vm->delay(1);
displMan.updateScreen();
if ((_selectedDialogChoice == 99) && (choiceCount == 1)
&& (eventType != Common::EVENT_INVALID) && key.kbd.keycode == Common::KEYCODE_RETURN) {
/* If a choice has not been made yet with the mouse and the dialog has only one possible choice and carriage return was pressed on the keyboard */
_selectedDialogChoice = kDMDialogChoice1;
}
} while (_selectedDialogChoice == 99);
displMan._useByteBoxCoordinates = false;
Box boxA = evtMan._primaryMouseInput[_selectedDialogChoice - 1]._hitbox;
boxA._rect.left -= 3;
boxA._rect.right += 3;
boxA._rect.top -= 3;
boxA._rect.bottom += 4;
evtMan.showMouse();
displMan._drawFloorAndCeilingRequested = true;
Box boxB(0, 0, boxA._rect.right - boxA._rect.left + 3, boxA._rect.bottom - boxA._rect.top + 3);
displMan.blitToBitmap(displMan._bitmapScreen, displMan._bitmapViewport,
boxB, boxA._rect.left, boxA._rect.top, k160_byteWidthScreen, k160_byteWidthScreen, kDMColorNoTransparency, 200, 25);
_vm->delay(1);
boxB = boxA;
boxB._rect.bottom = boxB._rect.top;
displMan.fillScreenBox(boxB, kDMColorLightBrown);
boxB = boxA;
boxB._rect.right = boxB._rect.left;
boxB._rect.bottom--;
displMan.fillScreenBox(boxB, kDMColorLightBrown);
boxB = boxA;
boxB._rect.bottom--;
boxB._rect.top = boxB._rect.bottom;
boxB._rect.left -= 2;
displMan.fillScreenBox(boxB, kDMColorBlack);
boxB = boxA;
boxB._rect.left = boxB._rect.right;
displMan.fillScreenBox(boxB, kDMColorBlack);
_vm->delay(2);
boxB = boxA;
boxB._rect.top++;
boxB._rect.bottom = boxB._rect.top;
boxB._rect.right -= 2;
displMan.fillScreenBox(boxB, kDMColorLightBrown);
boxB = boxA;
boxB._rect.left++;
boxB._rect.right = boxB._rect.left;
boxB._rect.bottom--;
displMan.fillScreenBox(boxB, kDMColorLightBrown);
boxB = boxA;
boxB._rect.right--;
boxB._rect.left = boxB._rect.right;
displMan.fillScreenBox(boxB, kDMColorBlack);
boxB = boxA;
boxB._rect.top = boxB._rect.bottom = boxB._rect.bottom - 2;
boxB._rect.left++;
displMan.fillScreenBox(boxB, kDMColorBlack);
boxB = boxA;
boxB._rect.top = boxB._rect.bottom = boxB._rect.bottom + 2;
boxB._rect.left--;
boxB._rect.right += 2;
displMan.fillScreenBox(boxB, kDMColorLightestGray);
boxB = boxA;
boxB._rect.left = boxB._rect.right = boxB._rect.right + 3;
boxB._rect.bottom += 2;
displMan.fillScreenBox(boxB, kDMColorLightestGray);
_vm->delay(2);
boxA._rect.right += 3;
boxA._rect.bottom += 3;
displMan.blitToBitmap(displMan._bitmapViewport, displMan._bitmapScreen,
boxA, 0, 0, k160_byteWidthScreen, k160_byteWidthScreen, kDMColorNoTransparency, 25, k200_heightScreen);
evtMan.hideMouse();
evtMan._primaryMouseInput = primaryMouseInputBackup;
evtMan._secondaryMouseInput = secondaryMouseInputBackup;
evtMan._primaryKeyboardInput = primaryKeyboardInputBackup;
evtMan._secondaryKeyboardInput = secondaryKeyboardInputBackup;
evtMan.discardAllInput();
evtMan.showMouse();
return _selectedDialogChoice;
}
}