Preliminary support for NES charsets. Colors are wrong and we get glitches

caused by too narrow screen. Also text clearing doesn't work.

svn-id: r17164

1 files changed, 153 insertions, 0 deletions

diff --git a/scumm/charset.cpp b/scumm/charset.cpp
index 52497aef14..8a3ae390f8 100644
--- a/scumm/charset.cpp
+++ b/scumm/charset.cpp
@@ -1669,6 +1669,159 @@ void CharsetRendererNut::printChar(int chr) {
 		_str.bottom = shadow.bottom;
 }
 
+static byte trNESEnglishTable[] = {
+	0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
+	0x00, 0x00, 0x00, 0x00, 0x06, 0x0A, 0x07, 0x00,
+	0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
+	0x13, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x09,
+	0x00, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
+	0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23,
+	0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
+	0x2C, 0x2D, 0x2E, 0x00, 0x00, 0x00, 0x2F, 0x00,
+	0x03, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
+	0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23,
+	0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
+	0x2C, 0x2D, 0x2E, 0x00, 0x00, 0x00, 0x05, 0x08,
+	0x20, 0x20, 0x21, 0x60, 0x27, 0x7E, 0x2C, 0x2E,
+	0x7F, 0x3F, 0x2D, 0x30, 0x31, 0x32, 0x33, 0x34,
+	0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43,
+	0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B,
+	0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53,
+	0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5E
+};
+
+static byte trNESFrenchTable[] = {
+	0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x64, 0x04,
+	0x00, 0x00, 0x00, 0x00, 0x06, 0x0A, 0x07, 0x00,
+	0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
+	0x13, 0x14, 0x00, 0x00, 0x15, 0x15, 0x64, 0x09,
+	0x00, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
+	0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23,
+	0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
+	0x2C, 0x2D, 0x2E, 0x19, 0x19, 0x19, 0x2F, 0x29,
+	0x03, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
+	0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23,
+	0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
+	0x2C, 0x2D, 0x2E, 0x1D, 0x23, 0x29, 0x05, 0x08,
+	0x20, 0x20, 0x21, 0x60, 0x27, 0x7E, 0x2C, 0x2E,
+	0x7F, 0x3F, 0x2D, 0x30, 0x31, 0x32, 0x33, 0x34,
+	0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43,
+	0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B,
+	0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53,
+	0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5E
+};
+
+static byte trNESSwedishTable[] = {
+	0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
+	0x00, 0x00, 0x00, 0x00, 0x06, 0x0A, 0x07, 0x00,
+	0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
+	0x13, 0x14, 0x00, 0x00, 0x61, 0x00, 0x64, 0x09,
+	0x00, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
+	0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23,
+	0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
+	0x2C, 0x2D, 0x2E, 0x62, 0x63, 0x00, 0x2F, 0x00,
+	0x03, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
+	0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23,
+	0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B,
+	0x2C, 0x2D, 0x2E, 0x63, 0x64, 0x61, 0x05, 0x08,
+	0x20, 0x20, 0x21, 0x60, 0x27, 0x7E, 0x2C, 0x2E,
+	0x7F, 0x3F, 0x2D, 0x30, 0x31, 0x32, 0x33, 0x34,
+	0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43,
+	0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B,
+	0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53,
+	0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5E
+};
+
+
+CharsetRendererNES::CharsetRendererNES(ScummEngine *vm, Common::Language language)
+	: CharsetRendererCommon(vm) {
+	switch (language) {
+	case Common::FR_FRA:
+		_trTable = trNESFrenchTable;
+		break;
+	case Common::SE_SWE:
+		_trTable = trNESSwedishTable;
+		break;
+	default:
+		_trTable = trNESEnglishTable;
+		break;
+	}
+}
+
+void CharsetRendererNES::printChar(int chr) {
+	int width, height, origWidth, origHeight;
+	VirtScreen *vs;
+	byte *charPtr, *dst;
+
+	if ((vs = _vm->findVirtScreen(_top)) == NULL)
+		return;
+
+	if (chr == '@')
+		return;
+
+	charPtr = _vm->_NESPatTable + _trTable[chr - 32] * 16;
+	width = getCharWidth(chr);
+	height = 8;
+
+	origWidth = width;
+	origHeight = height;
+
+	if (_firstChar) {
+		_str.left = _left;
+		_str.top = _top;
+		_str.right = _left;
+		_str.bottom = _top;
+		_firstChar = false;
+	}
+
+	int drawTop = _top - vs->topline;
+
+	_vm->markRectAsDirty(vs->number, _left, _left + width, drawTop, drawTop + height);
+	
+	if (!_ignoreCharsetMask) {
+		_hasMask = true;
+		_textScreenID = vs->number;
+	}
+	dst = (byte *)_vm->gdi._textSurface.pixels + _top * _vm->gdi._textSurface.pitch + _left;
+	drawBits1(_vm->gdi._textSurface, dst, charPtr, drawTop, origWidth, origHeight);
+
+	if (_str.left > _left)
+		_str.left = _left;
+
+	_left += origWidth;
+
+	if (_str.right < _left) {
+		_str.right = _left;
+		if (_dropShadow)
+			_str.right++;
+	}
+
+	if (_str.bottom < _top + height)
+		_str.bottom = _top + height;
+}
+
+void CharsetRendererNES::drawChar(int chr, const Graphics::Surface &s, int x, int y) {
+	byte *charPtr, *dst;
+	int width, height;
+
+	charPtr = _vm->_NESPatTable + _trTable[chr - 32] * 16;
+	width = getCharWidth(chr);
+	height = 8;
+
+	dst = (byte *)s.pixels + y * s.pitch + x;
+	drawBits1(s, dst, charPtr, y, width, height);
+}
+
+void CharsetRendererNES::drawBits1(const Graphics::Surface &s, byte *dst, const byte *src, int drawTop, int width, int height) {
+	for (int i = 0; i < 8; i++) {
+		byte c0 = src[i];
+		byte c1 = src[i + 8];
+		for (int j = 0; j < 8; j++)
+			dst[j] = _vm->_NESPalette[((c0 >> (7 - j)) & 1) | (((c1 >> (7 - j)) & 1) << 1)] | _color;
+		dst += s.pitch;
+	}
+}
+
 } // End of namespace Scumm
 
 #ifdef __PALM_OS__