1 files changed, 496 insertions, 0 deletions

diff --git a/engines/hopkins/font.cpp b/engines/hopkins/font.cpp
new file mode 100644
index 0000000000..ac0eee2866
--- /dev/null
+++ b/engines/hopkins/font.cpp
@@ -0,0 +1,496 @@
+/* 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.
+ *
+ */
+
+#include "hopkins/font.h"
+
+#include "hopkins/files.h"
+#include "hopkins/globals.h"
+#include "hopkins/graphics.h"
+#include "hopkins/hopkins.h"
+#include "hopkins/objects.h"
+
+#include "common/system.h"
+#include "common/file.h"
+#include "common/textconsole.h"
+
+namespace Hopkins {
+
+FontManager::FontManager(HopkinsEngine *vm) {
+	_vm = vm;
+	clearAll();
+}
+
+FontManager::~FontManager() {
+	_vm->_globals->freeMemory(_font);
+	_vm->_globals->freeMemory(_zoneText);
+}
+
+void FontManager::loadZoneText() {
+	switch (_vm->_globals->_language) {
+	case LANG_EN:
+		_zoneText = _vm->_fileIO->loadFile("ZONEAN.TXT");
+		break;
+	case LANG_FR:
+		_zoneText = _vm->_fileIO->loadFile("ZONE01.TXT");
+		break;
+	case LANG_SP:
+		_zoneText = _vm->_fileIO->loadFile("ZONEES.TXT");
+		break;
+	}
+}
+
+void FontManager::clearAll() {
+	_font = NULL;
+	_fontFixedHeight = 0;
+	_fontFixedWidth = 0;
+
+	for (int idx = 0; idx < 12; ++idx) {
+		Common::fill((byte *)&_text[idx], (byte *)&_text[idx] + sizeof(TxtItem), 0);
+
+		_textList[idx]._enabledFl = false;
+		_textList[idx]._height = 0;
+		_textList[idx]._width = 0;
+		_textList[idx]._pos.x = 0;
+		_textList[idx]._pos.y = 0;
+	}
+
+	for (int idx = 0; idx < 21; idx++)
+		_textSortArray[idx] = 0;
+
+	_oldName = Common::String("");
+	_indexName = Common::String("");
+
+	for (int idx = 0; idx < 4048; idx++)
+		_index[idx] = 0;
+
+	_tempText = NULL;
+	_zoneText = NULL;
+
+	_boxWidth = 240;
+}
+
+void FontManager::initData() {
+	_font = _vm->_fileIO->loadFile("FONTE3.SPR");
+	_fontFixedWidth = 12;
+	_fontFixedHeight = 21;
+	loadZoneText();
+}
+/**
+ * Display Text
+ */
+void FontManager::showText(int idx) {
+	if ((idx - 5) > MAX_TEXT)
+		error("Attempted to display text > MAX_TEXT.");
+
+	TxtItem &txt = _text[idx - 5];
+	txt._textOnFl = true;
+	txt._textLoadedFl = false;
+
+	txt._textBlock = _vm->_globals->freeMemory(txt._textBlock);
+}
+
+/**
+ * Hide text
+ */
+void FontManager::hideText(int idx) {
+	if ((idx - 5) > MAX_TEXT)
+			error("Attempted to display text > MAX_TEXT.");
+
+	TxtItem &txt = _text[idx - 5];
+	txt._textOnFl = false;
+	txt._textLoadedFl = false;
+	txt._textBlock = _vm->_globals->freeMemory(txt._textBlock);
+}
+
+/**
+ * Set Text Color
+ */
+void FontManager::setTextColor(int idx, byte colByte) {
+	_text[idx - 5]._color = colByte;
+}
+
+/**
+ * Set Text Optimal Color
+ */
+void FontManager::setOptimalColor(int idx1, int idx2, int idx3, int idx4) {
+	setTextColor(idx1, 255);
+	setTextColor(idx2, 255);
+	setTextColor(idx3, 255);
+	setTextColor(idx4, 253);
+}
+
+/**
+ * Init text structure
+ */
+void FontManager::initTextBuffers(int idx, int messageId, const Common::String &filename, int xp, int yp, int textType, int length, int color) {
+	assert(idx - 5 >= 0 && (idx - 5) <= MAX_TEXT);
+
+	TxtItem &txt = _text[idx - 5];
+	txt._textOnFl = false;
+	txt._filename = filename;
+	txt._pos.x = xp;
+	txt._pos.y = yp;
+	txt._messageId = messageId;
+	txt._textType = textType;
+	txt._length = length;
+	txt._color = color;
+}
+
+// Box
+void FontManager::box(int idx, int messageId, const Common::String &filename, int xp, int yp) {
+	int textPosX = xp;
+	if (idx < 0)
+		error("Bad number for text");
+	_fontFixedWidth = 11;
+
+	_boxWidth = 11 * _text[idx]._length;
+	if (_text[idx]._textLoadedFl) {
+		int textType = _text[idx]._textType;
+		if (textType != 6 && textType != 1 && textType != 3 && textType != 5) {
+			int yCurrent = yp + 5;
+			for (int lineNum = 0; lineNum < _text[idx]._lineCount; ++lineNum) {
+				displayText(xp + 5, yCurrent, _text[idx]._lines[lineNum], _text[idx]._color);
+				yCurrent += _fontFixedHeight + 1;
+			}
+		} else {
+			int height = _text[idx]._height;
+			int width = _text[idx]._width;
+			_vm->_graphicsMan->restoreSurfaceRect(
+				_vm->_graphicsMan->_frontBuffer,
+				_text[idx]._textBlock,
+				xp,
+				yp,
+				_text[idx]._width,
+				_text[idx]._height);
+			_vm->_graphicsMan->addDirtyRect(xp, yp, xp + width, yp + height);
+		}
+	} else {
+		int lineCount = 0;
+		for (int i = 0; i <= 19; i++)
+			_textSortArray[i] = 0;
+
+		_text[idx]._textLoadedFl = true;
+		Common::String file = filename;
+		if (strncmp(file.c_str(), _oldName.c_str(), strlen(file.c_str())) != 0) {
+			// Starting to access a new file, so read in the index file for the file
+			_oldName = file;
+			_indexName = Common::String(file.c_str(), file.size() - 3);
+			_indexName += "IND";
+
+			Common::File f;
+			if (!f.open(_indexName))
+				error("Error opening file - %s", _indexName.c_str());
+			int filesize = f.size();
+			for (int i = 0; i < (filesize / 4); ++i)
+				_index[i] = f.readUint32LE();
+			f.close();
+		}
+		int bufSize;
+		if (filename[0] != 'Z' || filename[1] != 'O') {
+			Common::File f;
+			if (!f.open(file))
+				error("Error opening file - %s", _indexName.c_str());
+
+			bufSize = 2048;
+			f.seek(_index[messageId]);
+
+			_tempText = _vm->_globals->allocMemory(2058);
+			if (_tempText == NULL)
+				error("Error allocating text");
+
+			Common::fill(&_tempText[0], &_tempText[2058], 0);
+			f.read(_tempText, 2048);
+			f.close();
+		} else {
+			bufSize = 100;
+			_tempText = _vm->_globals->allocMemory(110);
+			Common::fill(&_tempText[0], &_tempText[110], 0);
+			memcpy(_tempText, _zoneText + _index[messageId], 96);
+			WRITE_LE_UINT16((uint16 *)_tempText + 48, READ_LE_INT16(_zoneText + _index[messageId] + 96));
+		}
+		byte *curTempTextPtr = _tempText;
+		for (int i = 0; i < bufSize; i++) {
+			byte curChar = *curTempTextPtr;
+			if ((byte)(*curTempTextPtr + 46) > 27) {
+				if ((byte)(curChar + 80) > 27) {
+					if ((byte)(curChar - 65) <= 25 || (byte)(curChar - 97) <= 25)
+						curChar = 32;
+				} else {
+					curChar -= 79;
+				}
+			} else {
+				curChar += 111;
+			}
+			*curTempTextPtr = curChar;
+			curTempTextPtr++;
+		};
+
+		int textLength;
+		for (textLength = 0; textLength < bufSize; textLength++) {
+			byte curChar = _tempText[textLength];
+			if (curChar == '\r' || curChar == '\n') {
+				_tempText[textLength] = 0;
+				if (!_text[idx]._length)
+					break;
+			}
+		}
+
+		if (bufSize && bufSize > textLength) {
+			_text[idx]._length = textLength;
+			_boxWidth = 0;
+
+			for (int curStrIdx = 0; curStrIdx < textLength + 1; curStrIdx++) {
+				byte curChar = _tempText[curStrIdx];
+				if (curChar <= 31)
+					curChar = ' ';
+				_boxWidth += _vm->_objectsMan->getWidth(_font, curChar - 32);
+			}
+
+			_boxWidth += 2;
+			_text[idx]._pos.x = 320 - abs(_boxWidth / 2);
+			textPosX = _vm->_events->_startPos.x + _text[idx]._pos.x;
+			lineCount = 1;
+			_text[idx]._lines[0] = Common::String((const char *)_tempText, textLength);
+		} else {
+			if (!_boxWidth)
+				_boxWidth = 240;
+			int tempTextIdx = 0;
+			int lineSize;
+			byte curChar;
+			do {
+				int curLineSize = 0;
+				int ptrb = _boxWidth - 4;
+				for (;;) {
+					lineSize = curLineSize;
+					do
+						curChar = _tempText[tempTextIdx + curLineSize++];
+					while (curChar != ' ' && curChar != '%');
+					if (curLineSize >= ptrb / _fontFixedWidth) {
+						if (curChar == '%')
+							curChar = ' ';
+						break;
+					}
+					if (curChar == '%') {
+						lineSize = curLineSize;
+						break;
+					}
+				}
+
+				// WORKAROUND: Perhaps due to the usage of ScummVM strings here, recalculate what the
+				// actual length of the line to be copied will be. Otherwise, you can see artifacts,
+				// such as a single character beyond the end of string NULL.
+				int actualSize = 0;
+				while (actualSize < lineSize && _tempText[tempTextIdx + actualSize])
+					++actualSize;
+
+				_text[idx]._lines[lineCount] = Common::String((const char *)_tempText + tempTextIdx, actualSize);
+				_textSortArray[lineCount++] = lineSize;
+
+				tempTextIdx += lineSize;
+			} while (curChar != '%');
+
+			for (int i = 0; i <= 19; i++) {
+				if (_textSortArray[i] <= 0) {
+					_textSortArray[i] = 0;
+				} else {
+					int ptrc = 0;
+					for (int curIdx = 0; curIdx < _textSortArray[i] - 1; curIdx++) {
+						Common::String &line = _text[idx]._lines[i];
+						byte curChar2 = (curIdx >= (int)line.size()) ? '\0' : line.c_str()[curIdx];
+						if (curChar2 <= 31)
+							curChar2 = ' ';
+						ptrc += _vm->_objectsMan->getWidth(_font, (byte)curChar2 - 32);
+					}
+					_textSortArray[i] = ptrc;
+				}
+			}
+			for (int i = 0; i <= 19; i++) {
+				for (int j = i + 1; j != i; j = (j + 1) % 20) {
+					if (_textSortArray[i] < _textSortArray[j])
+						_textSortArray[i] = 0;
+				}
+			};
+
+			for (int i = 0; i <= 19; i++) {
+				if (_textSortArray[i])
+					_boxWidth = _textSortArray[i];
+			}
+
+			if ((_text[idx]._textType < 2) || (_text[idx]._textType > 3)) {
+				int i;
+				for (i = xp - _vm->_events->_startPos.x; _boxWidth + i > 638 && i > -2 && _text[idx]._textType; i -= 2)
+					;
+				_text[idx]._pos.x = i;
+				textPosX = _vm->_events->_startPos.x + i;
+			} else {
+				_text[idx]._pos.x = textPosX;
+			}
+		}
+		int posX = textPosX;
+		int posY = yp;
+		int saveWidth = _boxWidth + 10;
+		int saveHeight = (_fontFixedHeight + 1) * lineCount + 12;
+		if (_text[idx]._textType == 6) {
+			_text[idx]._pos.x = 315 - abs(saveWidth / 2);
+			textPosX = posX = _vm->_events->_startPos.x + _text[idx]._pos.x;
+			_text[idx]._pos.y = posY = 50;
+		}
+		int textType = _text[idx]._textType;
+		if (textType == 1 || textType == 3 || textType == 5 || textType == 6) {
+			int size = saveHeight * saveWidth;
+			byte *ptrd = _vm->_globals->allocMemory(size);
+			if (ptrd == NULL)
+				error("Cutting a block for text box (%d)", size);
+
+			_vm->_graphicsMan->copySurfaceRect(_vm->_graphicsMan->_frontBuffer, ptrd, posX, posY, saveWidth, saveHeight);
+			_vm->_graphicsMan->fillSurface(ptrd, _vm->_graphicsMan->_colorTable, size);
+			_vm->_graphicsMan->restoreSurfaceRect(_vm->_graphicsMan->_frontBuffer, ptrd, posX, posY, saveWidth, saveHeight);
+			_vm->_globals->freeMemory(ptrd);
+
+			_vm->_graphicsMan->drawHorizontalLine(_vm->_graphicsMan->_frontBuffer, posX, posY, saveWidth, (byte)-2);
+			_vm->_graphicsMan->drawHorizontalLine(_vm->_graphicsMan->_frontBuffer, posX, saveHeight + posY, saveWidth, (byte)-2);
+			_vm->_graphicsMan->drawVerticalLine(_vm->_graphicsMan->_frontBuffer, posX, posY, saveHeight, (byte)-2);
+			_vm->_graphicsMan->drawVerticalLine(_vm->_graphicsMan->_frontBuffer, saveWidth + posX, posY, saveHeight, (byte)-2);
+		}
+		_text[idx]._lineCount = lineCount;
+		int textPosY = posY + 5;
+
+		for (int lineNum = 0; lineNum < lineCount; ++lineNum) {
+			displayText(textPosX + 5, textPosY, _text[idx]._lines[lineNum], _text[idx]._color);
+			textPosY += _fontFixedHeight + 1;
+		}
+
+		int blockWidth = saveWidth + 1;
+		int blockHeight = saveHeight + 1;
+
+		_text[idx]._width = blockWidth;
+		_text[idx]._height = blockHeight;
+		textType = _text[idx]._textType;
+		if (textType == 6 || textType == 1 || textType == 3 || textType == 5) {
+			_text[idx]._textBlock = _vm->_globals->freeMemory(_text[idx]._textBlock);
+			int blockSize = blockHeight * blockWidth;
+			byte *ptre = _vm->_globals->allocMemory(blockSize + 20);
+			if (ptre == NULL)
+				error("Cutting a block for text box (%d)", blockSize);
+
+			_text[idx]._textBlock = ptre;
+			_text[idx]._width = blockWidth;
+			_text[idx]._height = blockHeight;
+			_vm->_graphicsMan->copySurfaceRect(_vm->_graphicsMan->_frontBuffer, _text[idx]._textBlock, posX, posY, _text[idx]._width, blockHeight);
+		}
+		_tempText = _vm->_globals->freeMemory(_tempText);
+	}
+}
+
+/**
+ * Directly display text (using a VESA segment)
+ */
+void FontManager::displayTextVesa(int xp, int yp, const Common::String &message, int col) {
+	int charIndex;
+	int currentX = xp;
+
+	const char *srcP = message.c_str();
+	for (;;) {
+		byte currChar = *srcP++;
+		if (!currChar)
+			break;
+		if (currChar >= 32) {
+			charIndex = currChar - 32;
+			_vm->_graphicsMan->displayFont(_vm->_graphicsMan->_frontBuffer, _font, currentX, yp, currChar - 32, col);
+			currentX += _vm->_objectsMan->getWidth(_font, charIndex);
+		}
+	}
+
+	_vm->_graphicsMan->addDirtyRect(xp, yp, currentX, yp + 12);
+}
+
+/**
+ * Directly display text
+ */
+void FontManager::displayText(int xp, int yp, const Common::String &message, int col) {
+	for (uint idx = 0; idx < message.size(); ++idx) {
+		byte currentChar = (byte)message[idx];
+
+		if (currentChar > 31) {
+			int characterIndex = currentChar - 32;
+			_vm->_graphicsMan->displayFont(_vm->_graphicsMan->_frontBuffer, _font, xp, yp, characterIndex, col);
+			_vm->_graphicsMan->addDirtyRect(xp, yp, xp + _vm->_objectsMan->getWidth(_font, characterIndex) + 1, yp + _vm->_objectsMan->getHeight(_font, characterIndex) + 1);
+			xp += _vm->_objectsMan->getWidth(_font, characterIndex);
+		}
+	}
+}
+
+/**
+ * Compute character width and render text using variable width fonts
+ */
+void FontManager::renderTextDisplay(int xp, int yp, const Common::String &msg, int col) {
+	const char *srcP = msg.c_str();
+	int charEndPosX = xp;
+	int fontCol = col;
+	byte curChar = *srcP++;
+	while (curChar) {
+		if (curChar == '&') {
+			fontCol = 2;
+			curChar = *srcP++;
+		}
+		if (curChar == '$') {
+			fontCol = 4;
+			curChar = *srcP++;
+		}
+		if (!curChar)
+			break;
+		if (curChar >= 32) {
+			byte printChar = curChar - 32;
+			_vm->_graphicsMan->displayFont(_vm->_graphicsMan->_frontBuffer, _font, charEndPosX, yp, printChar, fontCol);
+
+			// UGLY HACK: For some obscure reason, the BeOS and OS/2 versions use another font file, which doesn't have variable width.
+			// All the fonts have a length of 9, which results in completely broken text in the computer.
+			// This horrible workaround fixes the English versions of the game. So far, no other languages are known for those platforms.
+			// Just in case, all the accentuated characters are handled properly, which *should* be OK for the other languages too.
+			int charWidth;
+			if (_vm->getPlatform() == Common::kPlatformOS2 || _vm->getPlatform() == Common::kPlatformBeOS) {
+				if ((curChar >= 'A' && curChar <= 'Z') || (curChar >= 'a' && curChar <= 'z' && curChar != 'm' && curChar != 'w') || (curChar >= '0' && curChar <= '9') || curChar == '*' || (curChar >= 128 && curChar <= 168))
+					charWidth = _vm->_objectsMan->getWidth(_font, printChar) - 1;
+				else if (curChar == 'm' || curChar == 'w')
+					charWidth = _vm->_objectsMan->getWidth(_font, printChar);
+				else
+					charWidth = 6;
+			} else
+				charWidth = _vm->_objectsMan->getWidth(_font, printChar);
+
+			int charStartPosX = charEndPosX;
+			charEndPosX += charWidth;
+			_vm->_graphicsMan->addDirtyRect(charStartPosX, yp, charEndPosX, yp + 12);
+			if (_vm->_events->_escKeyFl) {
+				_vm->_globals->_eventMode = EVENTMODE_IGNORE;
+				_vm->_events->refreshScreenAndEvents();
+			} else {
+				_vm->_globals->_eventMode = EVENTMODE_ALT;
+				_vm->_events->refreshScreenAndEvents();
+				_vm->_globals->_eventMode = EVENTMODE_IGNORE;
+			}
+		}
+		curChar = *srcP++;
+	}
+}
+
+} // End of namespace Hopkins