Moved some init code around (hopefully this'll help PalmOS)

svn-id: r15209

1 files changed, 158 insertions, 0 deletions

diff --git a/scumm/charset.cpp b/scumm/charset.cpp
index 47e3c4ff71..5481b187d1 100644
--- a/scumm/charset.cpp
+++ b/scumm/charset.cpp
@@ -25,6 +25,164 @@
 
 namespace Scumm {
 
+void ScummEngine::loadCJKFont() {
+	_useCJKMode = false;
+	if ((_gameId == GID_DIG || _gameId == GID_CMI) && (_language == Common::KO_KOR || _language == Common::JA_JPN || _language == Common::ZH_TWN)) {
+		File fp;
+		const char *fontFile = NULL;
+		switch(_language) {
+		case Common::KO_KOR:
+			fontFile = "korean.fnt";
+			break;
+		case Common::JA_JPN:
+			fontFile = (_gameId == GID_DIG) ? "kanji16.fnt" : "japanese.fnt";
+			break;
+		case Common::ZH_TWN:
+			if (_gameId == GID_CMI) {
+				fontFile = "chinese.fnt";
+			}
+			break;
+		default:
+			break;
+		}
+		if (fontFile && fp.open(fontFile)) {
+			debug(2, "Loading CJK Font");
+			_useCJKMode = true;
+			fp.seek(2, SEEK_CUR);
+			_2byteWidth = fp.readByte();
+			_2byteHeight = fp.readByte();
+
+			int numChar = 0;
+			switch(_language) {
+			case Common::KO_KOR:
+				numChar = 2350;
+				break;
+			case Common::JA_JPN:
+				numChar = (_gameId == GID_DIG) ? 1024 : 2048; //FIXME
+				break;
+			case Common::ZH_TWN:
+				numChar = 1; //FIXME
+				break;
+			default:
+				break;
+			}
+			_2byteFontPtr = new byte[((_2byteWidth + 7) / 8) * _2byteHeight * numChar];
+			fp.read(_2byteFontPtr, ((_2byteWidth + 7) / 8) * _2byteHeight * numChar);
+			fp.close();
+		}
+	} else if (_language == Common::JA_JPN && _version == 5) { //FM Towns Kanji
+		File fp;
+		int numChar = 256 * 32;
+		_2byteWidth = 16;
+		_2byteHeight = 16;
+		//use FM Towns font rom, since game files don't have kanji font resources
+		if (fp.open("fmt_fnt.rom")) { 
+			_useCJKMode = true;
+			debug(2, "Loading FM Towns Kanji rom");
+			_2byteFontPtr = new byte[((_2byteWidth + 7) / 8) * _2byteHeight * numChar];
+			fp.read(_2byteFontPtr, ((_2byteWidth + 7) / 8) * _2byteHeight * numChar);
+			fp.close();
+		}
+	}
+}
+
+static int SJIStoFMTChunk(int f, int s) //convert sjis code to fmt font offset
+{
+	enum {
+		KANA = 0,
+		KANJI = 1,
+		EKANJI = 2
+	};
+	int base = s - (s % 32) - 1;
+	int c = 0, p = 0, chunk_f = 0, chunk = 0, cr, kanjiType = KANA;
+
+	if (f >= 0x81 && f <= 0x84) kanjiType = KANA;
+	if (f >= 0x88 && f <= 0x9f) kanjiType = KANJI;
+	if (f >= 0xe0 && f <= 0xea) kanjiType = EKANJI;
+
+	if ((f > 0xe8 || (f == 0xe8 && base >= 0x9f)) || (f > 0x90 || (f == 0x90 && base >= 0x9f))) {
+		c = 48; //correction
+		p = -8; //correction
+	}
+
+	if (kanjiType == KANA) {//Kana
+		chunk_f = (f - 0x81) * 2;
+	} else if (kanjiType == KANJI) {//Standard Kanji
+		p += f - 0x88;
+		chunk_f = c + 2 * p;
+	} else if (kanjiType == EKANJI) {//Enhanced Kanji
+		p += f - 0xe0;
+		chunk_f = c + 2 * p;
+	}
+
+	if (base == 0x7f && s == 0x7f)
+		base -= 0x20; //correction
+	if ((base == 0x7f && s == 0x9e) || (base == 0x9f && s == 0xbe) || (base == 0xbf && s == 0xde))
+		base += 0x20; //correction
+
+	switch(base) {
+	case 0x3f:
+		cr = 0; //3f
+		if (kanjiType == KANA) chunk = 1;
+		else if (kanjiType == KANJI) chunk = 31;
+		else if (kanjiType == EKANJI) chunk = 111;
+		break;
+	case 0x5f:
+		cr = 0; //5f
+		if (kanjiType == KANA) chunk = 17;
+		else if (kanjiType == KANJI) chunk = 47;
+		else if (kanjiType == EKANJI) chunk = 127;
+		break;
+	case 0x7f:
+		cr = -1; //80
+		if (kanjiType == KANA) chunk = 9;
+		else if (kanjiType == KANJI) chunk = 63;
+		else if (kanjiType == EKANJI) chunk = 143;
+		break;
+	case 0x9f:
+		cr = 1; //9e
+		if (kanjiType == KANA) chunk = 2;
+		else if (kanjiType == KANJI) chunk = 32;
+		else if (kanjiType == EKANJI) chunk = 112;
+		break;
+	case 0xbf:
+		cr = 1; //be
+		if (kanjiType == KANA) chunk = 18;
+		else if (kanjiType == KANJI) chunk = 48;
+		else if (kanjiType == EKANJI) chunk = 128;
+		break;
+	case 0xdf:
+		cr = 1; //de
+		if (kanjiType == KANA) chunk = 10;
+		else if (kanjiType == KANJI) chunk = 64;
+		else if (kanjiType == EKANJI) chunk = 144;
+		break;
+	default:
+		return 0;
+	}
+	
+	return ((chunk_f + chunk) * 32 + (s - base)) + cr;
+}
+
+byte *ScummEngine::get2byteCharPtr(int idx) {
+	switch(_language) {
+	case Common::KO_KOR:
+		idx = ((idx % 256) - 0xb0) * 94 + (idx / 256) - 0xa1;
+		break;
+	case Common::JA_JPN:
+		idx = SJIStoFMTChunk((idx % 256), (idx / 256));
+		break;
+	case Common::ZH_TWN:
+	default:
+		idx = 0;
+	}
+	return 	_2byteFontPtr + ((_2byteWidth + 7) / 8) * _2byteHeight * idx;
+}
+
+
+#pragma mark -
+
+
 CharsetRenderer::CharsetRenderer(ScummEngine *vm) {
 
 	_nextLeft = 0;