1 files changed, 330 insertions, 0 deletions
diff --git a/engines/kyra/text/text.cpp b/engines/kyra/text/text.cpp
new file mode 100644
index 0000000000..36af67e6aa
--- /dev/null
+++ b/engines/kyra/text/text.cpp
@@ -0,0 +1,330 @@
+/* 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 "kyra/text/text.h"
+#include "kyra/kyra_v1.h"
+
+namespace Kyra {
+
+TextDisplayer::TextDisplayer(KyraEngine_v1 *vm, Screen *screen) {
+	_screen = screen;
+	_vm = vm;
+
+	_talkCoords.y = 0x88;
+	_talkCoords.x = 0;
+	_talkCoords.w = 0;
+	_talkMessageY = 0xC;
+	_talkMessageH = 0;
+	_talkMessagePrinted = false;
+	memset(_talkSubstrings, 0, sizeof(_talkSubstrings));
+	memset(_talkBuffer, 0, sizeof(_talkBuffer));
+}
+
+void TextDisplayer::setTalkCoords(uint16 y) {
+	_talkCoords.y = y;
+}
+
+int TextDisplayer::getCenterStringX(const char *str, int x1, int x2) {
+	_screen->_charWidth = -2;
+	int strWidth = _screen->getTextWidth(str);
+	_screen->_charWidth = 0;
+	int w = x2 - x1 + 1;
+	return x1 + (w - strWidth) / 2;
+}
+
+int TextDisplayer::getCharLength(const char *str, int len) {
+	int charsCount = 0;
+	if (*str) {
+		_screen->_charWidth = -2;
+		int i = 0;
+		while (i <= len && *str) {
+			uint c = *str++;
+			c &= 0xFF;
+			if (c >= 0x7F && _vm->gameFlags().lang == Common::JA_JPN) {
+				c = READ_LE_UINT16(str - 1);
+				++str;
+			}
+			i += _screen->getCharWidth(c);
+			++charsCount;
+		}
+		_screen->_charWidth = 0;
+	}
+	return charsCount;
+}
+
+int TextDisplayer::dropCRIntoString(char *str, int offs) {
+	int pos = 0;
+	str += offs;
+	while (*str) {
+		if (*str == ' ') {
+			*str = '\r';
+			return pos;
+		}
+		++str;
+		++pos;
+	}
+	return 0;
+}
+
+char *TextDisplayer::preprocessString(const char *str) {
+	if (str != _talkBuffer) {
+		assert(strlen(str) < sizeof(_talkBuffer) - 1);
+		strcpy(_talkBuffer, str);
+	}
+	char *p = _talkBuffer;
+	while (*p) {
+		if (*p == '\r') {
+			return _talkBuffer;
+		}
+		++p;
+	}
+	p = _talkBuffer;
+	Screen::FontId curFont = _screen->setFont(Screen::FID_8_FNT);
+	_screen->_charWidth = -2;
+	int textWidth = _screen->getTextWidth(p);
+	_screen->_charWidth = 0;
+	if (textWidth > 176) {
+		if (textWidth > 352) {
+			int count = getCharLength(p, textWidth / 3);
+			int offs = dropCRIntoString(p, count);
+			p += count + offs;
+			_screen->_charWidth = -2;
+			textWidth = _screen->getTextWidth(p);
+			_screen->_charWidth = 0;
+			count = getCharLength(p, textWidth / 2);
+			dropCRIntoString(p, count);
+		} else {
+			int count = getCharLength(p, textWidth / 2);
+			dropCRIntoString(p, count);
+		}
+	}
+	_screen->setFont(curFont);
+	return _talkBuffer;
+}
+
+int TextDisplayer::buildMessageSubstrings(const char *str) {
+	int currentLine = 0;
+	int pos = 0;
+	while (*str) {
+		if (*str == '\r') {
+			assert(currentLine < TALK_SUBSTRING_NUM);
+			_talkSubstrings[currentLine * TALK_SUBSTRING_LEN + pos] = '\0';
+			++currentLine;
+			pos = 0;
+		} else {
+			_talkSubstrings[currentLine * TALK_SUBSTRING_LEN + pos] = *str;
+			++pos;
+			if (pos >= TALK_SUBSTRING_LEN - 2)
+				pos = TALK_SUBSTRING_LEN - 2;
+		}
+		++str;
+	}
+	_talkSubstrings[currentLine * TALK_SUBSTRING_LEN + pos] = '\0';
+	return currentLine + 1;
+}
+
+int TextDisplayer::getWidestLineWidth(int linesCount) {
+	int maxWidth = 0;
+	_screen->_charWidth = -2;
+	for (int l = 0; l < linesCount; ++l) {
+		int w = _screen->getTextWidth(&_talkSubstrings[l * TALK_SUBSTRING_LEN]);
+		if (maxWidth < w) {
+			maxWidth = w;
+		}
+	}
+	_screen->_charWidth = 0;
+	return maxWidth;
+}
+
+void TextDisplayer::calcWidestLineBounds(int &x1, int &x2, int w, int cx) {
+	x1 = cx - w / 2;
+	if (x1 + w >= Screen::SCREEN_W - 12) {
+		x1 = Screen::SCREEN_W - 12 - w - 1;
+	} else if (x1 < 12) {
+		x1 = 12;
+	}
+	x2 = x1 + w + 1;
+}
+
+void TextDisplayer::restoreTalkTextMessageBkgd(int srcPage, int dstPage) {
+	if (_talkMessagePrinted) {
+		_talkMessagePrinted = false;
+		_screen->copyRegion(_talkCoords.x, _talkCoords.y, _talkCoords.x, _talkMessageY, _talkCoords.w, _talkMessageH, srcPage, dstPage, Screen::CR_NO_P_CHECK);
+	}
+}
+
+void TextDisplayer::printTalkTextMessage(const char *text, int x, int y, uint8 color, int srcPage, int dstPage) {
+	char *str = preprocessString(text);
+	int lineCount = buildMessageSubstrings(str);
+	int top = y - lineCount * 10;
+	if (top < 0) {
+		top = 0;
+	}
+	_talkMessageY = top;
+	_talkMessageH = lineCount * 10;
+	int w = getWidestLineWidth(lineCount);
+	int x1, x2;
+	calcWidestLineBounds(x1, x2, w, x);
+	_talkCoords.x = x1;
+	_talkCoords.w = w + 2;
+	_screen->copyRegion(_talkCoords.x, _talkMessageY, _talkCoords.x, _talkCoords.y, _talkCoords.w, _talkMessageH, srcPage, dstPage, Screen::CR_NO_P_CHECK);
+	int curPage = _screen->_curPage;
+	_screen->_curPage = srcPage;
+
+	if (_vm->gameFlags().platform == Common::kPlatformAmiga)
+		setTextColor(color);
+
+	for (int i = 0; i < lineCount; ++i) {
+		top = i * 10 + _talkMessageY;
+		char *msg = &_talkSubstrings[i * TALK_SUBSTRING_LEN];
+		int left = getCenterStringX(msg, x1, x2);
+		printText(msg, left, top, color, 0xC, 0);
+	}
+	_screen->_curPage = curPage;
+	_talkMessagePrinted = true;
+}
+
+void TextDisplayer::printText(const char *str, int x, int y, uint8 c0, uint8 c1, uint8 c2) {
+	uint8 colorMap[] = { 0, 15, 12, 12 };
+	colorMap[3] = c1;
+	_screen->setTextColor(colorMap, 0, 3);
+	_screen->_charWidth = -2;
+	_screen->printText(str, x, y, c0, c2);
+	_screen->_charWidth = 0;
+}
+
+void TextDisplayer::printCharacterText(const char *text, int8 charNum, int charX) {
+	int top, left, x1, x2, w, x;
+	char *msg;
+
+	text = preprocessString(text);
+	int lineCount = buildMessageSubstrings(text);
+	w = getWidestLineWidth(lineCount);
+	x = charX;
+	calcWidestLineBounds(x1, x2, w, x);
+
+	uint8 color = 0;
+	if (_vm->gameFlags().platform == Common::kPlatformAmiga) {
+		const uint8 colorTable[] = { 0x1F, 0x1B, 0xC9, 0x80, 0x1E, 0x81, 0x11, 0xD8, 0x55, 0x3A, 0x3A };
+		color = colorTable[charNum];
+
+		setTextColor(color);
+	} else {
+		const uint8 colorTable[] = { 0x0F, 0x09, 0xC9, 0x80, 0x05, 0x81, 0x0E, 0xD8, 0x55, 0x3A, 0x3A };
+		color = colorTable[charNum];
+	}
+
+	for (int i = 0; i < lineCount; ++i) {
+		top = i * 10 + _talkMessageY;
+		msg = &_talkSubstrings[i * TALK_SUBSTRING_LEN];
+		left = getCenterStringX(msg, x1, x2);
+		printText(msg, left, top, color, 0xC, 0);
+	}
+}
+
+void TextDisplayer::setTextColor(uint8 color) {
+	byte r, g, b;
+
+	switch (color) {
+	case 4:
+		// 0x09E
+		r = 0;
+		g = 37;
+		b = 58;
+		break;
+
+	case 5:
+		// 0xFF5
+		r = 63;
+		g = 63;
+		b = 21;
+		break;
+
+	case 27:
+		// 0x5FF
+		r = 21;
+		g = 63;
+		b = 63;
+		break;
+
+	case 34:
+		// 0x8E5
+		r = 33;
+		g = 58;
+		b = 21;
+		break;
+
+	case 58:
+		// 0x9FB
+		r = 37;
+		g = 63;
+		b = 46;
+		break;
+
+	case 85:
+		// 0x7CF
+		r = 29;
+		g = 50;
+		b = 63;
+		break;
+
+	case 114:
+	case 117:
+		// 0xFAF
+		r = 63;
+		g = 42;
+		b = 63;
+		break;
+
+	case 128:
+	case 129:
+		// 0xFCC
+		r = 63;
+		g = 50;
+		b = 50;
+		break;
+
+	case 201:
+		// 0xFD8
+		r = 63;
+		g = 54;
+		b = 33;
+		break;
+
+	case 216:
+		// 0xFC6
+		r = 63;
+		g = 50;
+		b = 25;
+		break;
+
+	default:
+		// 0xEEE
+		r = 58;
+		g = 58;
+		b = 58;
+	}
+
+	_screen->setPaletteIndex(0x10, r, g, b);
+}
+
+} // End of namespace Kyra