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-rw-r--r--engines/toltecs/palette.cpp45
-rw-r--r--engines/toltecs/palette.h3
-rw-r--r--engines/toltecs/screen.cpp39
-rw-r--r--engines/toltecs/screen.h12
-rw-r--r--engines/toltecs/script.cpp5
5 files changed, 90 insertions, 14 deletions
diff --git a/engines/toltecs/palette.cpp b/engines/toltecs/palette.cpp
index 9692538169..2fb2f8744a 100644
--- a/engines/toltecs/palette.cpp
+++ b/engines/toltecs/palette.cpp
@@ -166,6 +166,51 @@ void Palette::clearFragments() {
_fragments.clear();
}
+void Palette::buildColorTransTable(byte limit, char deltaValue, byte mask) {
+
+ // TODO
+
+ byte r, g, b;
+
+ mask &= 7;
+
+ for (int i = 0; i < 256; i++) {
+
+ if (deltaValue < 0) {
+ // TODO
+ } else {
+ r = _mainPalette[i * 3 + 0];
+ g = _mainPalette[i * 3 + 1];
+ b = _mainPalette[i * 3 + 2];
+ if (MAX(r, MAX(b, g)) >= limit) {
+ if ((mask & 1) && r >= deltaValue)
+ r -= deltaValue;
+ if ((mask & 2) && g >= deltaValue)
+ g -= deltaValue;
+ if ((mask & 4) && b >= deltaValue)
+ b -= deltaValue;
+ }
+ }
+
+ int bestIndex = 0;
+ uint16 bestMatch = 0xFFFF;
+
+ for (int j = 0; j < 256; j++) {
+ byte distance = ABS(_mainPalette[j * 3 + 0] - r) + ABS(_mainPalette[j * 3 + 1] - g) + ABS(_mainPalette[j * 3 + 2] - b);
+ byte maxColor = MAX(_mainPalette[j * 3 + 0], MAX(_mainPalette[j * 3 + 1], _mainPalette[j * 3 + 2]));
+ uint16 match = (distance << 8) | maxColor;
+ if (match < bestMatch) {
+ bestMatch = match;
+ bestIndex = j;
+ }
+ }
+
+ _colorTransTable[i] = bestIndex;
+
+ }
+
+}
+
void Palette::saveState(Common::WriteStream *out) {
// Save currently active palette
diff --git a/engines/toltecs/palette.h b/engines/toltecs/palette.h
index acc340723d..6a2bb59370 100644
--- a/engines/toltecs/palette.h
+++ b/engines/toltecs/palette.h
@@ -64,6 +64,9 @@ public:
uint16 findFragment(int16 id);
void clearFragments();
+ void buildColorTransTable(byte limit, char deltaValue, byte mask);
+ byte getColorTransPixel(byte pixel) const { return _colorTransTable[pixel]; }
+
byte *getMainPalette() { return _mainPalette; }
byte *getAnimPalette() { return _animPalette; }
diff --git a/engines/toltecs/screen.cpp b/engines/toltecs/screen.cpp
index 7bee7da02f..e4bba63a6c 100644
--- a/engines/toltecs/screen.cpp
+++ b/engines/toltecs/screen.cpp
@@ -500,6 +500,15 @@ void Screen::drawSprite(SpriteDrawItem *sprite) {
if (sprite->flags & 0x40) {
// TODO: Shadow sprites
+ if (sprite->flags & 1) {
+ SpriteFilterScaleDown spriteScaler(sprite, &spriteReader);
+ drawSpriteCore(dest, spriteScaler, sprite);
+ } else if (sprite->flags & 2) {
+ SpriteFilterScaleUp spriteScaler(sprite, &spriteReader);
+ drawSpriteCore(dest, spriteScaler, sprite);
+ } else {
+ drawSpriteCore(dest, spriteReader, sprite);
+ }
} else if (sprite->flags & 0x10) {
// 256 color sprite
drawSpriteCore(dest, spriteReader, sprite);
@@ -556,16 +565,25 @@ void Screen::drawSpriteCore(byte *dest, SpriteFilter &reader, SpriteDrawItem *sp
}
}
- if (((sprite->flags & 0x10) && (packet.pixel != 0xFF)) || !(sprite->flags & 0x10) && (packet.pixel != 0)) {
+ if (((sprite->flags & 0x40) && (packet.pixel != 0)) ||
+ ((sprite->flags & 0x10) && (packet.pixel != 0xFF)) ||
+ !(sprite->flags & 0x10) && (packet.pixel != 0))
+ {
if (sprite->flags & 0x40) {
- } else if (sprite->flags & 0x10) {
- packet.pixel = ((packet.pixel << 4) & 0xF0) | ((packet.pixel >> 4) & 0x0F);
+ while (packet.count--) {
+ *dest = _vm->_palette->getColorTransPixel(*dest);
+ dest += destInc;
+ }
} else {
- packet.pixel += sprite->baseColor - 1;
- }
- while (packet.count--) {
- *dest = packet.pixel;
- dest += destInc;
+ if (sprite->flags & 0x10) {
+ packet.pixel = ((packet.pixel << 4) & 0xF0) | ((packet.pixel >> 4) & 0x0F);
+ } else {
+ packet.pixel += sprite->baseColor - 1;
+ }
+ while (packet.count--) {
+ *dest = packet.pixel;
+ dest += destInc;
+ }
}
} else {
dest += packet.count * destInc;
@@ -799,12 +817,12 @@ void Screen::drawTalkTextItems() {
if (ch == 0x20) {
x += font.getWidth();
} else {
- //drawChar2(font, _frontScreen, x, item->rects[j].y, ch, item->color);
drawChar(font, _frontScreen, x, item->rects[j].y, ch, item->color, true);
x += font.getCharWidth(ch) + font.getSpacing() - 1;
}
}
}
+
}
}
@@ -892,7 +910,6 @@ void Screen::drawString(int16 x, int16 y, byte fontColor1, byte fontColor2, uint
if (ch <= 0x20) {
x += font.getWidth();
} else {
- //drawChar(font, _frontScreen, x + 1, y + _vm->_cameraHeight - yadd, ch, color);
drawChar(font, _frontScreen, x + 1, y + _vm->_cameraHeight - yadd, ch, color, false);
x += font.getCharWidth(ch) + font.getSpacing() - 1;
yadd = -yadd;
@@ -918,7 +935,6 @@ void Screen::drawChar(const Font &font, byte *dest, int16 x, int16 y, byte ch, b
byte count = charData[0] & 0x0F;
byte flags = charData[0] & 0xF0;
charData++;
- lineWidth -= count;
if ((flags & 0x80) == 0) {
if (flags & 0x10) {
memset(dest, color, count);
@@ -927,6 +943,7 @@ void Screen::drawChar(const Font &font, byte *dest, int16 x, int16 y, byte ch, b
}
}
dest += count;
+ lineWidth -= count;
}
dest += 640 - charWidth;
}
diff --git a/engines/toltecs/screen.h b/engines/toltecs/screen.h
index 9ee5b862d9..8bc6407dab 100644
--- a/engines/toltecs/screen.h
+++ b/engines/toltecs/screen.h
@@ -136,10 +136,20 @@ public:
_curHeight = _sprite->origHeight;
}
SpriteReaderStatus readPacket(PixelPacket &packet) {
- if ((_sprite->flags & 0x40) || (_sprite->flags & 0x10)) {
+ if (_sprite->flags & 0x40) {
+ // shadow sprite
+ packet.count = _source[0] & 0x7F;
+ if (_source[0] & 0x80)
+ packet.pixel = 1;
+ else
+ packet.pixel = 0;
+ _source++;
+ } else if (_sprite->flags & 0x10) {
+ // 256-color sprite
packet.pixel = *_source++;
packet.count = *_source++;
} else {
+ // 16-color sprite
packet.count = _source[0] & 0x0F;
packet.pixel = (_source[0] & 0xF0) >> 4;
_source++;
diff --git a/engines/toltecs/script.cpp b/engines/toltecs/script.cpp
index c71d5d235b..481c8a8bf2 100644
--- a/engines/toltecs/script.cpp
+++ b/engines/toltecs/script.cpp
@@ -556,9 +556,10 @@ void ScriptInterpreter::execKernelOpcode(uint16 kernelOpcode) {
break;
}
- case 16:// TODO
+ case 16:// ok
{
- debug(0, "o2_makeTransColorTable");
+ debug(0, "o2_buildColorTransTable(%d, %d, %d)", arg8(4), (char)arg8(3), arg8(5));
+ _vm->_palette->buildColorTransTable(arg8(4), (char)arg8(3), arg8(5));
break;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 10:18:18 +0000