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-rw-r--r--engines/parallaction/callables_ns.cpp31
-rw-r--r--engines/parallaction/disk_ns.cpp24
-rw-r--r--engines/parallaction/graphics.cpp239
-rw-r--r--engines/parallaction/graphics.h41
-rw-r--r--engines/parallaction/location.cpp15
5 files changed, 202 insertions, 148 deletions
diff --git a/engines/parallaction/callables_ns.cpp b/engines/parallaction/callables_ns.cpp
index 20535fc388..26b472345e 100644
--- a/engines/parallaction/callables_ns.cpp
+++ b/engines/parallaction/callables_ns.cpp
@@ -199,13 +199,11 @@ void Parallaction_ns::_c_score(void *parm) {
void Parallaction_ns::_c_fade(void *parm) {
- _gfx->setBlackPalette();
-
- Gfx::Palette pal;
- memset(pal, 0, sizeof(Gfx::Palette));
+ Palette pal;
+ _gfx->setPalette(pal);
for (uint16 _di = 0; _di < 64; _di++) {
- _gfx->fadePalette(pal, _gfx->_palette, 1);
+ pal.fadeTo(_gfx->_palette, 1);
_gfx->setPalette(pal);
_gfx->updateScreen();
@@ -340,11 +338,11 @@ void Parallaction_ns::_c_endComment(void *param) {
_gfx->showLocationComment(_location._endComment, true);
- Gfx::Palette pal;
- _gfx->makeGrayscalePalette(pal);
+ Palette pal(_gfx->_palette);
+ pal.makeGrayscale();
for (uint di = 0; di < 64; di++) {
- _gfx->fadePalette(_gfx->_palette, pal, 1);
+ _gfx->_palette.fadeTo(pal, 1);
_gfx->setPalette(_gfx->_palette);
_gfx->updateScreen();
@@ -358,24 +356,19 @@ void Parallaction_ns::_c_endComment(void *param) {
void Parallaction_ns::_c_frankenstein(void *parm) {
- Gfx::Palette pal0;
- Gfx::Palette pal1;
-
- for (uint16 i = 0; i <= BASE_PALETTE_COLORS; i++) {
- pal0[(i+FIRST_BASE_COLOR)] = _gfx->_palette[i];
- pal0[(i+FIRST_BASE_COLOR)*3+1] = 0;
- pal0[(i+FIRST_BASE_COLOR)*3+2] = 0;
+ Palette pal0(_gfx->_palette);
+ Palette pal1;
- pal1[(i+FIRST_BASE_COLOR)*3+1] = 0;
- pal1[(i+FIRST_BASE_COLOR)*3+2] = 0;
+ for (uint16 i = 0; i <= 32; i++) {
+ pal0.setEntry(i, -1, 0, 0); // leaves reds unchanged while zeroing other components
}
for (uint16 _di = 0; _di < 30; _di++) {
g_system->delayMillis(20);
- _gfx->setPalette(pal0, FIRST_BASE_COLOR, BASE_PALETTE_COLORS);
+ _gfx->setPalette(pal0);
_gfx->updateScreen();
g_system->delayMillis(20);
- _gfx->setPalette(pal1, FIRST_BASE_COLOR, BASE_PALETTE_COLORS);
+ _gfx->setPalette(pal1);
_gfx->updateScreen();
}
diff --git a/engines/parallaction/disk_ns.cpp b/engines/parallaction/disk_ns.cpp
index c111525011..6506ddd2ac 100644
--- a/engines/parallaction/disk_ns.cpp
+++ b/engines/parallaction/disk_ns.cpp
@@ -564,7 +564,15 @@ void DosDisk_ns::parseDepths(Common::SeekableReadStream &stream) {
void DosDisk_ns::parseBackground(Common::SeekableReadStream &stream) {
- stream.read(_vm->_gfx->_palette, BASE_PALETTE_SIZE);
+ byte tmp[3];
+
+ for (uint i = 0; i < 32; i++) {
+ tmp[0] = stream.readByte();
+ tmp[1] = stream.readByte();
+ tmp[2] = stream.readByte();
+ _vm->_gfx->_palette.setEntry(i, tmp[0], tmp[1], tmp[2]);
+ }
+
_vm->_gfx->setPalette(_vm->_gfx->_palette);
parseDepths(stream);
@@ -1189,8 +1197,18 @@ void AmigaDisk_ns::loadBackground(const char *name) {
BackgroundDecoder decoder(*s, *surf, pal, _vm->_gfx->_palettefx);
decoder.decode();
- for (uint32 i = 0; i < BASE_PALETTE_COLORS * 3; i++)
- _vm->_gfx->_palette[i] = pal[i] >> 2;
+ byte *p = pal;
+ for (uint i = 0; i < 32; i++) {
+ byte r = *p >> 2;
+ p++;
+ byte g = *p >> 2;
+ p++;
+ byte b = *p >> 2;
+ p++;
+ _vm->_gfx->_palette.setEntry(i, r, g, b);
+
+ }
+
free(pal);
_vm->_gfx->setPalette(_vm->_gfx->_palette);
_vm->_gfx->setBackground(surf);
diff --git a/engines/parallaction/graphics.cpp b/engines/parallaction/graphics.cpp
index 15445877eb..f1ad6634e6 100644
--- a/engines/parallaction/graphics.cpp
+++ b/engines/parallaction/graphics.cpp
@@ -32,6 +32,138 @@
namespace Parallaction {
+
+
+Palette::Palette() {
+
+ int gameType = _vm->getGameType();
+
+ if (gameType == GType_Nippon) {
+ _colors = 32;
+ _hb = (_vm->getPlatform() == Common::kPlatformAmiga);
+ } else
+ if (gameType == GType_BRA) {
+ _colors = 256;
+ _hb = false;
+ } else
+ error("can't create palette for id = '%i'", gameType);
+
+ _size = _colors * 3;
+
+ makeBlack();
+};
+
+Palette::Palette(const Palette &pal) {
+ _colors = pal._colors;
+ _hb = pal._hb;
+ _size = pal._size;
+ memcpy(_data, pal._data, _size);
+}
+
+
+void Palette::makeBlack() {
+ memset(_data, 0, _size);
+}
+
+void Palette::setEntry(uint index, int red, int green, int blue) {
+ assert(index < _colors);
+
+ if (red >= 0)
+ _data[index*3] = red & 0xFF;
+
+ if (green >= 0)
+ _data[index*3+1] = green & 0xFF;
+
+ if (blue >= 0)
+ _data[index*3+2] = blue & 0xFF;
+}
+
+void Palette::makeGrayscale() {
+ byte v;
+ for (uint16 i = 0; i < _colors; i++) {
+ v = MAX(_data[i*3+1], _data[i*3+2]);
+ v = MAX(v, _data[i*3]);
+ setEntry(i, v, v, v);
+ }
+}
+
+void Palette::fadeTo(const Palette& target, uint step) {
+
+ if (step == 0)
+ return;
+
+ for (uint16 i = 0; i < _size; i++) {
+ if (_data[i] == target._data[i]) continue;
+
+ if (_data[i] < target._data[i])
+ _data[i] = CLIP(_data[i] + step, (uint)0, (uint)target._data[i]);
+ else
+ _data[i] = CLIP(_data[i] - step, (uint)target._data[i], (uint)255);
+ }
+
+ return;
+}
+
+uint Palette::fillRGBA(byte *rgba) {
+
+ byte r, g, b;
+ byte *hbPal = rgba + _size;
+
+ for (uint32 i = 0; i < _colors; i++) {
+ r = (_data[i*3] << 2) | (_data[i*3] >> 4);
+ g = (_data[i*3+1] << 2) | (_data[i*3+1] >> 4);
+ b = (_data[i*3+2] << 2) | (_data[i*3+2] >> 4);
+
+ rgba[i*4] = r;
+ rgba[i*4+1] = g;
+ rgba[i*4+2] = b;
+ rgba[i*4+3] = 0;
+
+ if (_hb) {
+ hbPal[i*4] = r >> 1;
+ hbPal[i*4+1] = g >> 1;
+ hbPal[i*4+2] = b >> 1;
+ hbPal[i*4+3] = 0;
+ }
+
+ }
+
+ return ((_hb) ? 2 : 1) * _colors;
+}
+
+void Palette::rotate(uint first, uint last, bool forward) {
+
+ byte tmp[3];
+
+ if (forward) { // forward
+
+ tmp[0] = _data[first * 3];
+ tmp[1] = _data[first * 3 + 1];
+ tmp[2] = _data[first * 3 + 2];
+
+ memmove(_data+first*3, _data+(first+1)*3, (last - first)*3);
+
+ _data[last * 3] = tmp[0];
+ _data[last * 3 + 1] = tmp[1];
+ _data[last * 3 + 2] = tmp[2];
+
+ } else { // backward
+
+ tmp[0] = _data[last * 3];
+ tmp[1] = _data[last * 3 + 1];
+ tmp[2] = _data[last * 3 + 2];
+
+ memmove(_data+(first+1)*3, _data+first*3, (last - first)*3);
+
+ _data[first * 3] = tmp[0];
+ _data[first * 3 + 1] = tmp[1];
+ _data[first * 3 + 2] = tmp[2];
+
+ }
+
+}
+
+
#define BALLOON_TAIL_WIDTH 12
#define BALLOON_TAIL_HEIGHT 10
@@ -104,57 +236,22 @@ void Gfx::showLocationComment(const char *text, bool end) {
return;
}
-void Gfx::setPalette(Palette pal, uint32 first, uint32 num) {
-// printf("setPalette(%i, %i)\n", first, num);
-
- if (first + num > BASE_PALETTE_COLORS)
- error("wrong parameters for setPalette()");
-
- byte sysBasePal[EHB_PALETTE_COLORS*4];
- byte sysExtraPal[BASE_PALETTE_COLORS*4];
-
- byte r, g, b;
- uint32 j = 0;
- for (uint32 i = first; i < first+num; i++) {
- r = (pal[i*3] << 2) | (pal[i*3] >> 4);
- g = (pal[i*3+1] << 2) | (pal[i*3+1] >> 4);
- b = (pal[i*3+2] << 2) | (pal[i*3+2] >> 4);
-
- sysBasePal[j*4] = r;
- sysBasePal[j*4+1] = g;
- sysBasePal[j*4+2] = b;
- sysBasePal[j*4+3] = 0;
-
- if (_vm->getPlatform() == Common::kPlatformAmiga) {
- sysExtraPal[j*4] = r >> 1;
- sysExtraPal[j*4+1] = g >> 1;
- sysExtraPal[j*4+2] = b >> 1;
- sysExtraPal[j*4+3] = 0;
- } else {
- sysExtraPal[j*4] = 0;
- sysExtraPal[j*4+1] = 0;
- sysExtraPal[j*4+2] = 0;
- sysExtraPal[j*4+3] = 0;
- }
-
- j++;
- }
-
- g_system->setPalette(sysBasePal, first, num);
- if (_vm->getPlatform() == Common::kPlatformAmiga)
- g_system->setPalette(sysExtraPal, first+FIRST_EHB_COLOR, num);
+void Gfx::setPalette(Palette pal) {
+ byte sysPal[256*4];
- return;
+ uint n = pal.fillRGBA(sysPal);
+ g_system->setPalette(sysPal, 0, n);
}
void Gfx::setBlackPalette() {
Palette pal;
- memset(pal, 0, PALETTE_SIZE);
setPalette(pal);
}
+
+
void Gfx::animatePalette() {
byte tmp[3];
@@ -169,32 +266,7 @@ void Gfx::animatePalette() {
_palettefx[i]._timer = 0; // reset timer
- if (_palettefx[i]._flags & 2) { // forward
-
- tmp[0] = _palette[_palettefx[i]._first * 3];
- tmp[1] = _palette[_palettefx[i]._first * 3 + 1];
- tmp[2] = _palette[_palettefx[i]._first * 3 + 2];
-
- memmove(_palette+_palettefx[i]._first*3, _palette+(_palettefx[i]._first+1)*3, (_palettefx[i]._last - _palettefx[i]._first)*3);
-
- _palette[_palettefx[i]._last * 3] = tmp[0];
- _palette[_palettefx[i]._last * 3 + 1] = tmp[1];
- _palette[_palettefx[i]._last * 3 + 2] = tmp[2];
-
- } else { // backward
-
- tmp[0] = _palette[_palettefx[i]._last * 3];
- tmp[1] = _palette[_palettefx[i]._last * 3 + 1];
- tmp[2] = _palette[_palettefx[i]._last * 3 + 2];
-
- memmove(_palette+(_palettefx[i]._first+1)*3, _palette+_palettefx[i]._first*3, (_palettefx[i]._last - _palettefx[i]._first)*3);
-
- _palette[_palettefx[i]._first * 3] = tmp[0];
- _palette[_palettefx[i]._first * 3 + 1] = tmp[1];
- _palette[_palettefx[i]._first * 3 + 2] = tmp[2];
-
- }
-
+ _palette.rotate(_palettefx[i]._first, _palettefx[i]._last, (_palettefx[i]._flags & 2) != 0);
}
setPalette(_palette);
@@ -202,39 +274,9 @@ void Gfx::animatePalette() {
return;
}
-void Gfx::makeGrayscalePalette(Palette pal) {
- for (uint16 i = 0; i < BASE_PALETTE_COLORS; i++) {
- byte max;
- max = MAX(_palette[i*3+1], _palette[i*3+2]);
- max = MAX(max, _palette[i*3]);
- pal[i*3] = max;
- pal[i*3+1] = max;
- pal[i*3+2] = max;
- }
-
- return;
-}
-
-void Gfx::fadePalette(Palette pal, Palette target, uint step) {
-
- if (step == 0)
- return;
-
- for (uint16 i = 0; i < BASE_PALETTE_COLORS * 3; i++) {
- if (pal[i] == target[i]) continue;
-
- if (pal[i] < target[i])
- pal[i] = CLIP(pal[i] + step, (uint)0, (uint)target[i]);
- else
- pal[i] = CLIP(pal[i] - step, (uint)target[i], (uint)255);
-
- }
-
- return;
-}
void Gfx::setHalfbriteMode(bool enable) {
#ifdef HALFBRITE
@@ -820,11 +862,10 @@ Gfx::Gfx(Parallaction* vm) :
_depthMask = 0;
- setBlackPalette();
+ setPalette(_palette);
_bgLayers[0] = _bgLayers[1] = _bgLayers[2] = _bgLayers[3] = 0;
- memset(_palette, 0, sizeof(_palette));
memset(_palettefx, 0, sizeof(_palettefx));
initMouse( 0 );
diff --git a/engines/parallaction/graphics.h b/engines/parallaction/graphics.h
index b959383a43..61df559b64 100644
--- a/engines/parallaction/graphics.h
+++ b/engines/parallaction/graphics.h
@@ -37,19 +37,6 @@
namespace Parallaction {
-#define BASE_PALETTE_COLORS 32
-#define FIRST_BASE_COLOR 0
-#define LAST_BASE_COLOR (FIRST_BASE_COLOR+BASE_PALETTE_COLORS-1)
-
-#define EHB_PALETTE_COLORS 32 // extra half-brite colors for amiga
-#define FIRST_EHB_COLOR (LAST_BASE_COLOR+1)
-#define LAST_EHB_COLOR (FIRST_EHB_COLOR+EHB_PALETTE_COLORS-1)
-
-#define PALETTE_COLORS (BASE_PALETTE_COLORS+EHB_PALETTE_COLORS)
-
-#define BASE_PALETTE_SIZE BASE_PALETTE_COLORS*3
-#define PALETTE_SIZE PALETTE_COLORS*3
-
#define MOUSEARROW_WIDTH 16
#define MOUSEARROW_HEIGHT 16
@@ -173,11 +160,31 @@ public:
};
-class Gfx {
+class Palette {
+
+ byte _data[768];
+ uint _colors;
+ uint _size;
+ bool _hb;
public:
- typedef byte Palette[PALETTE_SIZE];
+ Palette();
+ Palette(const Palette &pal);
+
+ void makeBlack();
+ void setEntries(byte* data, uint first, uint num);
+ void setEntry(uint index, int red, int green, int blue);
+ void makeGrayscale();
+ void fadeTo(const Palette& target, uint step);
+ uint fillRGBA(byte *rgba);
+ void rotate(uint first, uint last, bool forward);
+};
+
+
+class Gfx {
+
+public:
enum Buffers {
// bit buffers
kBitFront,
@@ -220,11 +227,9 @@ public:
void floodFill(Gfx::Buffers buffer, const Common::Rect& r, byte color);
// palette
- void setPalette(Palette palette, uint32 first = FIRST_BASE_COLOR, uint32 num = BASE_PALETTE_COLORS);
+ void setPalette(Palette palette);
void setBlackPalette();
void animatePalette();
- void fadePalette(Palette palette, Palette target, uint step); // fades palette to target palette, with specified step
- void makeGrayscalePalette(Palette palette); // transform palette into black and white
// amiga specific
void setHalfbriteMode(bool enable);
diff --git a/engines/parallaction/location.cpp b/engines/parallaction/location.cpp
index cd14e0efa2..9961a41652 100644
--- a/engines/parallaction/location.cpp
+++ b/engines/parallaction/location.cpp
@@ -238,17 +238,14 @@ void Parallaction::parseWalkNodes(Script& script, WalkNodeList &list) {
void Parallaction::switchBackground(const char* background, const char* mask) {
// printf("switchBackground(%s)", name);
- Gfx::Palette pal;
+ Palette pal;
uint16 v2 = 0;
if (!scumm_stricmp(background, "final")) {
_gfx->clearScreen(Gfx::kBitBack);
- for (uint16 _si = 0; _si <= 93; ) {
- pal[_si] = v2;
- pal[_si+1] = v2;
- pal[_si+2] = v2;
+ for (uint16 _si = 0; _si <= 32; _si++) {
+ pal.setEntry(_si, v2, v2, v2);
v2 += 4;
- _si += 3;
}
g_system->delayMillis(20);
@@ -423,8 +420,8 @@ void Parallaction::doLocationEnterTransition() {
return; // visited
}
- byte pal[PALETTE_SIZE];
- _gfx->makeGrayscalePalette(pal);
+ Palette pal(_gfx->_palette);
+ pal.makeGrayscale();
_gfx->setPalette(pal);
jobRunScripts(NULL, NULL);
@@ -441,7 +438,7 @@ void Parallaction::doLocationEnterTransition() {
// fades maximum intensity palette towards approximation of main palette
for (uint16 _si = 0; _si<6; _si++) {
- _gfx->fadePalette(pal, _gfx->_palette, 4);
+ pal.fadeTo(_gfx->_palette, 4);
_gfx->setPalette(pal);
waitTime( 1 );
_gfx->updateScreen();
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-03 08:42:46 +0000