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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.
*
*/
/*
* Based on the Reverse Engineering work of Christophe Fontanel,
* maintainer of the Dungeon Master Encyclopaedia (http://dmweb.free.fr/)
*/
#include "text.h"
namespace DM {
TextMan::TextMan(DMEngine* vm) : _vm(vm) {
_g359_messageAreaCursorColumn = 0;
_g358_messageAreaCursorRow = 0;
for (uint16 i = 0; i < 4; ++i)
_g360_messageAreaRowExpirationTime[i] = 0;
_g356_bitmapMessageAreaNewRow = new byte[320 * 7];
}
TextMan::~TextMan() {
delete[] _g356_bitmapMessageAreaNewRow;
}
#define k5_LetterWidth 5
#define k6_LetterHeight 6
void TextMan::f40_printTextToBitmap(byte* destBitmap, uint16 destByteWidth, int16 destX, int16 destY,
Color textColor, Color bgColor, const char* text, uint16 destHeight) {
if ((destX -= 1) < 0) // fixes missalignment, to be checked
destX = 0;
if ((destY -= 4) < 0) // fixes missalignment, to be checked
destY = 0;
uint16 destPixelWidth = destByteWidth * 2;
uint16 textLength = strlen(text);
uint16 nextX = destX;
uint16 nextY = destY;
byte *srcBitmap = _vm->_displayMan->getNativeBitmapOrGraphic(k557_FontGraphicIndice);
byte *tmp = _vm->_displayMan->_tmpBitmap;
for (uint16 i = 0; i < (k5_LetterWidth + 1) * k6_LetterHeight * 128; ++i) {
tmp[i] = srcBitmap[i] ? textColor : bgColor;
}
srcBitmap = tmp;
for (const char *begin = text, *end = text + textLength; begin != end; ++begin) {
if (nextX + k5_LetterWidth + 1 >= destPixelWidth || (*begin == '\n')) {
nextX = destX;
nextY += k6_LetterHeight + 1;
}
if (nextY + k6_LetterHeight >= destHeight)
break;
uint16 srcX = (1 + 5) * *begin; // 1 + 5 is not the letter width, arbitrary choice of the unpacking code
Box box((nextX == destX) ? (nextX + 1) : nextX, nextX + k5_LetterWidth + 1, nextY, nextY + k6_LetterHeight - 1);
_vm->_displayMan->blitToBitmap(srcBitmap, destBitmap, box, (nextX == destX) ? (srcX + 1) : srcX, 0, 6 * 128 / 2, destByteWidth, kM1_ColorNoTransparency,
k6_LetterHeight, destHeight);
nextX += k5_LetterWidth + 1;
}
}
void TextMan::f53_printToLogicalScreen(uint16 destX, uint16 destY, Color textColor, Color bgColor, const char* text) {
f40_printTextToBitmap(_vm->_displayMan->_bitmapScreen, _vm->_displayMan->_screenWidth / 2, destX, destY, textColor, bgColor, text, _vm->_displayMan->_screenHeight);
}
void TextMan::f52_printToViewport(int16 posX, int16 posY, Color textColor, const char* text, Color bgColor) {
f40_printTextToBitmap(_vm->_displayMan->_bitmapViewport, k112_byteWidthViewport, posX, posY, textColor, bgColor, text, k136_heightViewport);
}
void TextMan::f41_printWithTrailingSpaces(byte* destBitmap, int16 destByteWidth, int16 destX, int16 destY, Color textColor,
Color bgColor, const char* text, int16 requiredTextLength, int16 destHeight) {
Common::String str = text;
for (int16 i = str.size(); i < requiredTextLength; ++i)
str += ' ';
f40_printTextToBitmap(destBitmap, destByteWidth, destX, destY, textColor, bgColor, str.c_str(), destHeight);
}
void TextMan::f51_messageAreaPrintLineFeed() {
f47_messageAreaPrintMessage(k0_ColorBlack, "\n");
}
void TextMan::f47_messageAreaPrintMessage(Color color, const char* string) {
uint16 L0031_ui_CharacterIndex;
char L0033_ac_String[54];
while (*string) {
if (*string == '\n') { /* New line */
string++;
if ((_g359_messageAreaCursorColumn != 0) || (_g358_messageAreaCursorRow != 0)) {
_g359_messageAreaCursorColumn = 0;
f45_messageAreaCreateNewRow();
}
} else {
if (*string == ' ') {
string++;
if (_g359_messageAreaCursorColumn != 53) {
f46_messageAreaPrintString(color, " "); // TODO: I'm not sure this is like the original
}
} else {
L0031_ui_CharacterIndex = 0;
do {
L0033_ac_String[L0031_ui_CharacterIndex++] = *string++;
} while (*string && (*string != ' ') && (*string != '\n')); /* End of string, space or New line */
L0033_ac_String[L0031_ui_CharacterIndex] = '\0';
if (_g359_messageAreaCursorColumn + L0031_ui_CharacterIndex > 53) {
_g359_messageAreaCursorColumn = 2;
f45_messageAreaCreateNewRow();
}
f46_messageAreaPrintString(color, L0033_ac_String);
}
}
}
}
void TextMan::f45_messageAreaCreateNewRow() {
uint16 L0029_ui_RowIndex;
if (_g358_messageAreaCursorRow == 3) {
f561_isTextScrolling(&_gK60_s_TextScroller, true);
memset(_g356_bitmapMessageAreaNewRow, k0_ColorBlack, 320 * 7);
f560_SCROLLER_setCommand(&_gK60_s_TextScroller, 1);
for (L0029_ui_RowIndex = 0; L0029_ui_RowIndex < 3; L0029_ui_RowIndex++) {
_g360_messageAreaRowExpirationTime[L0029_ui_RowIndex] = _g360_messageAreaRowExpirationTime[L0029_ui_RowIndex + 1];
}
_g360_messageAreaRowExpirationTime[3] = -1;
} else {
_g358_messageAreaCursorRow++;
}
}
void TextMan::f46_messageAreaPrintString(Color color, const char* string) {
int16 L0030_i_StringLength;
L0030_i_StringLength = strlen(string);
if (f561_isTextScrolling(&_gK60_s_TextScroller, false)) {
f53_printToLogicalScreen(_g359_messageAreaCursorColumn * 6, (_g358_messageAreaCursorRow * 7 - 6) + 177, color, k0_ColorBlack, string);
} else {
f40_printTextToBitmap(_g356_bitmapMessageAreaNewRow, k160_byteWidthScreen, _g359_messageAreaCursorColumn * 6, 5, color, k0_ColorBlack, string, 7);
if (f561_isTextScrolling(&_gK60_s_TextScroller, false))
f560_SCROLLER_setCommand(&_gK60_s_TextScroller, 1);
}
_g359_messageAreaCursorColumn += L0030_i_StringLength;
_g360_messageAreaRowExpirationTime[_g358_messageAreaCursorRow] = _vm->_gameTime + 200;
}
void TextMan::f54_textInitialize() {
f42_messageAreaMoveCursor(0, 3);
for (uint16 i = 0; i < 4; ++i)
_g360_messageAreaRowExpirationTime[i] = -1;
}
void TextMan::f42_messageAreaMoveCursor(int16 column, int16 row) {
if (column < 0) {
column = 0;
} else {
if (column >= 53) {
column = 52;
}
}
_g359_messageAreaCursorColumn = column;
if (row < 0) {
row = 0;
} else {
if (row >= 4) {
row = 3;
}
}
_g358_messageAreaCursorRow = row;
}
void TextMan::f44_messageAreaClearExpiredRows() {
uint16 L0026_ui_RowIndex;
int32 L0027_l_ExpirationTime;
Box L0028_s_Box;
_vm->_displayMan->_useByteBoxCoordinates = false;
L0028_s_Box._x1 = 0;
L0028_s_Box._x2 = 319;
for (L0026_ui_RowIndex = 0; L0026_ui_RowIndex < 4; L0026_ui_RowIndex++) {
L0027_l_ExpirationTime = _g360_messageAreaRowExpirationTime[L0026_ui_RowIndex];
if ((L0027_l_ExpirationTime == -1) || (L0027_l_ExpirationTime > _vm->_gameTime))
continue;
L0028_s_Box._y2 = (L0028_s_Box._y1 = 172 + (L0026_ui_RowIndex * 7)) + 6;
f561_isTextScrolling(&_gK60_s_TextScroller, true);
_vm->_displayMan->fillBoxBitmap(_vm->_displayMan->_bitmapScreen, L0028_s_Box, k0_ColorBlack, k160_byteWidthScreen, k200_heightScreen);
_g360_messageAreaRowExpirationTime[L0026_ui_RowIndex] = -1;
}
}
void TextMan::f443_endgamePrintString(int16 x, int16 y, Color textColor, char* text) {
char* L1407_pc_Character;
char L1408_ac_ModifiedString[50];
L1407_pc_Character = L1408_ac_ModifiedString;
*L1407_pc_Character = *text++;
while (*L1407_pc_Character) {
if ((*L1407_pc_Character >= 'A') && (*L1407_pc_Character <= 'Z')) {
*L1407_pc_Character -= 64; /* Use the same font as the one used for scrolls */
}
L1407_pc_Character++;
*L1407_pc_Character = *text++;
}
f53_printToLogicalScreen(x, y, textColor, k12_ColorDarkestGray, L1408_ac_ModifiedString);
}
void TextMan::f43_messageAreaClearAllRows() {
int16 L0023_i_RowIndex;
f561_isTextScrolling(&_gK60_s_TextScroller, true);
Box tmpBox(0, 319, 169, 199);
_vm->_displayMan->fillScreenBox(tmpBox, k0_ColorBlack);
_g358_messageAreaCursorRow = 3;
_g359_messageAreaCursorColumn = 0;
for (L0023_i_RowIndex = 0; L0023_i_RowIndex < 4; L0023_i_RowIndex++) {
_g360_messageAreaRowExpirationTime[L0023_i_RowIndex] = -1;
}
}
}
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