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-rw-r--r--engines/prince/prince.cpp208
-rw-r--r--engines/prince/prince.h35
2 files changed, 89 insertions, 154 deletions
diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp
index 05db000869..53a79ebf73 100644
--- a/engines/prince/prince.cpp
+++ b/engines/prince/prince.cpp
@@ -89,8 +89,7 @@ PrinceEngine::PrinceEngine(OSystem *syst, const PrinceGameDescription *gameDesc)
_invOptionsStep(20), _optionsNumber(7), _invOptionsNumber(5), _optionsColor1(236), _optionsColor2(252),
_dialogWidth(600), _dialogHeight(0), _dialogLineSpace(10), _dialogColor1(220), _dialogColor2(223),
_dialogFlag(false), _dialogLines(0), _dialogText(nullptr), _mouseFlag(1),
- _roomPathBitmap(nullptr), _roomPathBitmapTemp(nullptr), _destX(0), _destY(0), _destX2(0), _destY2(0),
- _fpFlag(0), _fpX(0), _fpY(0), _fpX1(0), _fpY1(0), _coordsBufEnd(nullptr), _coordsBuf(nullptr), _coords(nullptr),
+ _roomPathBitmap(nullptr), _roomPathBitmapTemp(nullptr), _coordsBufEnd(nullptr), _coordsBuf(nullptr), _coords(nullptr),
_traceLineLen(0), _traceLineFlag(0), _rembBitmapTemp(nullptr), _rembBitmap(nullptr), _rembMask(0), _rembX(0), _rembY(0),
_checkBitmapTemp(nullptr), _checkBitmap(nullptr), _checkMask(0), _checkX(0), _checkY(0), _traceLineFirstPointFlag(false),
_tracePointFirstPointFlag(false), _coordsBuf2(nullptr), _coords2(nullptr), _coordsBuf3(nullptr), _coords3(nullptr),
@@ -2725,21 +2724,6 @@ void PrinceEngine::freeAllNormAnims() {
_normAnimList.clear();
}
-int PrinceEngine::fpGetPixelAddr(int x, int y) {
- _fpX = x;
- _fpY = y;
- return fpGetPixel(x, y);
-}
-
-// TODO -check
-int PrinceEngine::fpGetPixel(int x, int y) {
- _fpX1 = x;
- _fpY1 = y;
- int mask = 128 >> (x & 7);
- byte value = _roomPathBitmap[x / 8 + y * 80];
- return (mask & value);
-}
-// TODO -check
int PrinceEngine::getPixelAddr(byte *pathBitmap, int x, int y) {
int mask = 128 >> (x & 7);
byte value = pathBitmap[x / 8 + y * 80];
@@ -2747,110 +2731,87 @@ int PrinceEngine::getPixelAddr(byte *pathBitmap, int x, int y) {
}
void PrinceEngine::findPoint(int x1, int y1, int x2, int y2) {
- // other names?
- _destX = x1;
- _destY = y1;
- _destX2 = x2;
- _destY2 = y2;
- _fpFlag = 0;
-
- if (fpGetPixelAddr(x1, y1)) {
- _fpFlag = 1;
- if (fpGetPixelAddr(_destX2, _destY2)) {
- //bye
- _fpResult.x1 = _destX;
- _fpResult.y1 = _destY;
- _fpResult.x2 = _destX2;
- _fpResult.y2 = _destY2;
+ _fpResult.x1 = x1;
+ _fpResult.y1 = y1;
+ _fpResult.x2 = x2;
+ _fpResult.y2 = y2;
+
+ bool fpFlag = false;
+ int fpX = x1;
+ int fpY = y1;
+
+ if (getPixelAddr(_roomPathBitmap, x1, y1)) {
+ fpFlag = true;
+ fpX = x2;
+ fpY = y2;
+ if (getPixelAddr(_roomPathBitmap, x2, y2)) {
return;
}
}
- //got_wrong_point
-
- int fpL, fpU, fpR, fpD; // global?
- fpL = _fpX;
- fpU = _fpY;
- fpR = _fpX;
- fpD = _fpY;
+ int fpL = fpX;
+ int fpU = fpY;
+ int fpR = fpX;
+ int fpD = fpY;
- //loop:
while (1) {
if (fpD != kMaxPicHeight) {
- if (fpGetPixel(_fpX, fpD)) {
- //gotcha
- if (_fpFlag) {
- _destX2 = _fpX1;
- _destY2 = _fpY1;
+ if (getPixelAddr(_roomPathBitmap, fpX, fpD)) {
+ if (fpFlag) {
+ _fpResult.x2 = fpX;
+ _fpResult.y2 = fpD;
} else {
- _destX = _fpX1;
- _destY = _fpY1;
+ _fpResult.x1 = fpX;
+ _fpResult.y1 = fpD;
}
break;
}
fpD++;
}
- //no down
- if (fpU != 0) {
- if (fpGetPixel(_fpX, fpU)) {
- //gotcha
- if (_fpFlag) {
- _destX2 = _fpX1;
- _destY2 = _fpY1;
+ if (fpU) {
+ if (getPixelAddr(_roomPathBitmap, fpX, fpU)) {
+ if (fpFlag) {
+ _fpResult.x2 = fpX;
+ _fpResult.y2 = fpU;
} else {
- _destX = _fpX1;
- _destY = _fpY1;
+ _fpResult.x1 = fpX;
+ _fpResult.y1 = fpU;
}
break;
}
fpU--;
}
- //no_up
- if (fpL != 0) {
- if (fpGetPixel(fpL, _fpY)) {
- //gotcha
- if (_fpFlag) {
- _destX2 = _fpX1;
- _destY2 = _fpY1;
+ if (fpL) {
+ if (getPixelAddr(_roomPathBitmap, fpL, fpY)) {
+ if (fpFlag) {
+ _fpResult.x2 = fpL;
+ _fpResult.y2 = fpY;
} else {
- _destX = _fpX1;
- _destY = _fpY1;
+ _fpResult.x1 = fpL;
+ _fpResult.y1 = fpY;
}
break;
}
fpL--;
}
- //no_left
if (fpR != _sceneWidth) {
- if (fpGetPixel(fpL, _fpY)) {
- //gotcha
- if (_fpFlag) {
- _destX2 = _fpX1;
- _destY2 = _fpY1;
+ if (getPixelAddr(_roomPathBitmap, fpR, fpY)) {
+ if (fpFlag) {
+ _fpResult.x2 = fpR;
+ _fpResult.y2 = fpY;
} else {
- _destX = _fpX1;
- _destY = _fpY1;
+ _fpResult.x1 = fpR;
+ _fpResult.y1 = fpY;
}
break;
}
fpR++;
}
- //no_right
- if (fpD == kMaxPicHeight) {
- if (fpL == 0) {
- if (fpU == 0) {
- if (fpR == _sceneWidth) {
- break;
- }
- }
+ if (!fpU && fpD == kMaxPicHeight) {
+ if (!fpL && fpR == _sceneWidth) {
+ break;
}
}
- //bye
- _fpResult.x1 = _destX;
- _fpResult.y1 = _destY;
- _fpResult.x2 = _destX2;
- _fpResult.y2 = _destY2;
- return;
}
}
@@ -3718,26 +3679,17 @@ int PrinceEngine::tracePath(int x1, int y1, int x2, int y2) {
for (int i = 0; i < kPathBitmapLen; i++) {
_roomPathBitmapTemp[i] = 0;
}
- //pop ecx eax
- //mov edi,o CoordsBuf
- //mov d Coords,edi
if (x1 != x2 || y1 != y2) {
- //not_same
- _destX = x1;
- _destY = y1;
- _destX2 = x2;
- _destY2 = y2;
- Direction dir = makeDirection(x1, y1, x2, y2);
-
- if (getPixelAddr(_roomPathBitmap, _destX, _destY)) {
- if (getPixelAddr(_roomPathBitmap, _destX2, _destY2)) {
+ //Direction dir = makeDirection(x1, y1, x2, y2); // need this?
+ if (getPixelAddr(_roomPathBitmap, x1, y1)) {
+ if (getPixelAddr(_roomPathBitmap, x2, y2)) {
_coords = _coordsBuf;
- specialPlot(_destX, _destY);
+ specialPlot(x1, y1);
+
+ int x = x1;
+ int y = y1;
- //trace_loop:
- int x = _destX;
- int y = _destY;
byte *bcad;
int btx, bty;
@@ -3746,14 +3698,13 @@ int PrinceEngine::tracePath(int x1, int y1, int x2, int y2) {
bty = y;
bcad = _coords;
- //TraceLine
_traceLineLen = 0;
_traceLineFlag = 0;
_traceLineFirstPointFlag = true;
- Graphics::drawLine(x, y, _destX2, _destY2, 0, &this->plotTraceLine, this);
+ Graphics::drawLine(x, y, x2, y2, 0, &this->plotTraceLine, this);
if (!_traceLineFlag) {
- specialPlotInside(_destX2, _destY2);
+ specialPlotInside(x2, y2);
return 0;
} else if (_traceLineFlag == -1 && _traceLineLen >= 2) {
//line_ok
@@ -3773,13 +3724,13 @@ int PrinceEngine::tracePath(int x1, int y1, int x2, int y2) {
y = bty;
}
//same_point
- dir = makeDirection(x, y, _destX2, _destY2);
+ Direction dir = makeDirection(x, y, x2, y2);
- _rembBitmapTemp = &_roomPathBitmapTemp[x / 8 + y * 80]; //esi
- _rembBitmap = &_roomPathBitmap[x / 8 + y * 80]; // ebp
- _rembMask = 128 >> (x & 7); // dl
- _rembX = x; // eax
- _rembY = y; // ebx
+ _rembBitmapTemp = &_roomPathBitmapTemp[x / 8 + y * 80];
+ _rembBitmap = &_roomPathBitmap[x / 8 + y * 80];
+ _rembMask = 128 >> (x & 7);
+ _rembX = x;
+ _rembY = y;
_checkBitmapTemp = _rembBitmapTemp;
_checkBitmap = _rembBitmap;
@@ -3841,9 +3792,8 @@ int PrinceEngine::tracePath(int x1, int y1, int x2, int y2) {
if (_checkX == tempX && _checkY == tempY) {
_coords = tempCoords;
}
- x = READ_UINT16(_coords); // eax now!
- y = READ_UINT16(_coords + 2); // ebx now!
-
+ x = READ_UINT16(_coords);
+ y = READ_UINT16(_coords + 2);
} else {
//error4
return 4;
@@ -4074,8 +4024,7 @@ byte *PrinceEngine::makePath(int destX, int destY) {
_flags->setFlagValue(Flags::MOVEDESTX, destX);
_flags->setFlagValue(Flags::MOVEDESTY, destY);
- //int ebp = -2;
- int currX = _mainHero->_middleX; // second hero
+ int currX = _mainHero->_middleX; // TODO - check for second hero
int currY = _mainHero->_middleY;
int x1 = currX / 2;
@@ -4084,28 +4033,25 @@ byte *PrinceEngine::makePath(int destX, int destY) {
int y2 = destY / 2;
if ((x1 != x2) && (y1 != y2)) {
- //not_just_turn
findPoint(x1, y1, x2, y2);
- if (x2 != _fpResult.x1 || y2 != _fpResult.y1) {
- // differs
+ if (x2 != _fpResult.x2 || y2 != _fpResult.y2) {
+ x2 = _fpResult.x2;
+ y2 = _fpResult.y2;
+ // TODO - change of x1, y1?
if (!_flags->getFlagValue(Flags::EXACTMOVE)) {
- realDestX = destX;
- realDestY = destY;
- _flags->setFlagValue(Flags::MOVEDESTX, destX);
- _flags->setFlagValue(Flags::MOVEDESTY, destY);
+ realDestX = x2 * 2;
+ realDestY = y2 * 2;
+ _flags->setFlagValue(Flags::MOVEDESTX, realDestX);
+ _flags->setFlagValue(Flags::MOVEDESTY, realDestY);
} else {
- //byemove2
- //add esp,8
- //byemovemove
- //eax = -1
return nullptr;
}
}
- // not_differs
+
int pathLen1 = 0;
int pathLen2 = 0;
- int stX = x1; // stXY
- int stY = y1; // stXY + 2
+ int stX = x1;
+ int stY = y1;
int sizeCoords2 = 0;
if (!tracePath(x1, y1, x2, y2)) {
diff --git a/engines/prince/prince.h b/engines/prince/prince.h
index 7715737b1e..b5790983b9 100644
--- a/engines/prince/prince.h
+++ b/engines/prince/prince.h
@@ -439,17 +439,8 @@ public:
static const int32 kTracePts = 8000;
static const int32 kPBW = kMaxPicWidth / 16; // PathBitmapWidth
byte *_roomPathBitmap; // PL - Sala
- byte *_roomPathBitmapTemp; // PL -SSala
-
- int _destX;
- int _destY;
- int _destX2;
- int _destY2;
- int _fpFlag;
- int _fpX;
- int _fpY;
- int _fpX1;
- int _fpY1;
+ byte *_roomPathBitmapTemp; // PL - SSala
+
Direction _direction;
byte *_coordsBufEnd;
byte *_coordsBuf; // optimal path
@@ -466,17 +457,17 @@ public:
byte *_directionTable;
int _shanLen1;
- byte *_checkBitmapTemp; //esi
- byte *_checkBitmap; // ebp
- int _checkMask; // dl
- int _checkX; // eax
- int _checkY; // ebx
+ byte *_checkBitmapTemp;
+ byte *_checkBitmap;
+ int _checkMask;
+ int _checkX;
+ int _checkY;
- byte *_rembBitmapTemp; // esi
- byte *_rembBitmap; // ebp
- int _rembMask; // dl
- int _rembX; // eax
- int _rembY; // ebx
+ byte *_rembBitmapTemp;
+ byte *_rembBitmap;
+ int _rembMask;
+ int _rembX;
+ int _rembY;
struct fpResult {
int x1;
@@ -488,8 +479,6 @@ public:
bool loadPath(const char *resourceName);
byte *makePath(int destX, int destY);
void findPoint(int x1, int y1, int x2, int y2);
- int fpGetPixelAddr(int x, int y);
- int fpGetPixel(int x, int y);
int getPixelAddr(byte *pathBitmap, int x, int y);
static void plotTraceLine(int x, int y, int color, void *data);
void specialPlotInside(int x, int y);