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scummvm/engines/cruise/mainDraw.cpp

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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "cruise/cruise_main.h"
#include "cruise/polys.h"
#include "common/util.h"
namespace Cruise {
struct autoCellStruct {
struct autoCellStruct *next;
short int ovlIdx;
short int objIdx;
short int type;
short int newValue;
cellStruct *pCell;
};
autoCellStruct autoCellHead;
void addAutoCell(int overlayIdx, int idx, int type, int newVal, cellStruct *pObject) {
autoCellStruct *pNewEntry;
pNewEntry = new autoCellStruct;
pNewEntry->next = autoCellHead.next;
autoCellHead.next = pNewEntry;
pNewEntry->ovlIdx = overlayIdx;
pNewEntry->objIdx = idx;
pNewEntry->type = type;
pNewEntry->newValue = newVal;
pNewEntry->pCell = pObject;
}
void freeAutoCell(void) {
autoCellStruct *pCurrent = autoCellHead.next;
while (pCurrent) {
autoCellStruct *next = pCurrent->next;
if (pCurrent->type == 5) {
objInit(pCurrent->ovlIdx, pCurrent->objIdx, pCurrent->newValue);
} else {
setObjectPosition(pCurrent->ovlIdx, pCurrent->objIdx, pCurrent->type, pCurrent->newValue);
}
if (pCurrent->pCell->animWait < 0) {
objectParamsQuery params;
getMultipleObjectParam(pCurrent->ovlIdx, pCurrent->objIdx, &params);
pCurrent->pCell->animCounter = params.state2 - 1;
}
delete pCurrent;
pCurrent = next;
}
}
void calcRGB(uint8* pColorSrc, uint8* pColorDst, int* offsetTable) {
for (unsigned long int i = 0; i < 3; i++) {
int color = *(pColorSrc++);
int offset = offsetTable[i];
color += offset;
if (color < 0)
color = 0;
if (color > 0xFF)
color = 0xFF;
*(pColorDst++) = (uint8)color;
}
}
void fadeIn() {
for (long int i = 256; i >= 0; i -= 32) {
for (long int j = 0; j < 256; j++) {
int offsetTable[3];
offsetTable[0] = -i;
offsetTable[1] = -i;
offsetTable[2] = -i;
calcRGB(&palScreen[masterScreen][3*j], &workpal[3*j], offsetTable);
}
gfxModuleData_setPal256(workpal);
gfxModuleData_flipScreen();
}
for (long int j = 0; j < 256; j++) {
int offsetTable[3];
offsetTable[0] = 0;
offsetTable[1] = 0;
offsetTable[2] = 0;
calcRGB(&palScreen[masterScreen][3*j], &workpal[3*j], offsetTable);
}
gfxModuleData_setPal256(workpal);
fadeFlag = 0;
PCFadeFlag = 0;
}
void flipScreen(void) {
if (switchPal) {
for (unsigned long int i = 0; i < 256*3; i++) {
workpal[i] = palScreen[masterScreen][i];
}
switchPal = 0;
gfxModuleData_setPal256(workpal);
}
SWAP(gfxModuleData.pPage00, gfxModuleData.pPage10);
gfxModuleData_flipScreen();
if (doFade) {
fadeIn();
doFade = 0;
}
}
int spriteX1;
int spriteX2;
int spriteY1;
int spriteY2;
char *polyOutputBuffer;
void pixel(int x, int y, char color) {
if (x >= 0 && x < 320 && y >= 0 && y < 200)
polyOutputBuffer[320 * y + x] = color;
}
// this function checks if the dataPtr is not 0, else it retrives the data for X, Y, scale and DataPtr again (OLD: mainDrawSub1Sub1)
void flipPoly(int fileId, int16 *dataPtr, int scale, char** newFrame, int X, int Y, int *outX, int *outY, int *outScale) {
if (*dataPtr == 0) {
int16 offset;
int16 newX;
int16 newY;
dataPtr ++;
offset = *(dataPtr++);
flipShort(&offset);
newX = *(dataPtr++);
flipShort(&newX);
newY = *(dataPtr++);
flipShort(&newY);
offset += fileId;
if (offset >= 0) {
if (filesDatabase[offset].resType == 0 && filesDatabase[offset].subData.ptr) {
dataPtr = (int16 *)filesDatabase[offset].subData.ptr;
}
}
scale = -scale;
X -= newX;
Y -= newY;
}
*newFrame = (char*)dataPtr;
*outX = X;
*outY = Y;
*outScale = scale;
}
int upscaleValue(int value, int scale) {
return (((value * scale) << 8) / 2);
}
int m_flipLeftRight;
int m_useSmallScale;
int m_lowerX;
int m_lowerY;
int m_coordCount;
int m_first_X;
int m_first_Y;
int m_scaleValue;
int m_color;
int16 DIST_3D[512];
int16 polyBuffer2[512];
int16 XMIN_XMAX[404];
int16 polyBuffer4[512];
// this function fills the sizeTable for the poly (OLD: mainDrawSub1Sub2)
void getPolySize(int positionX, int positionY, int scale, int sizeTable[4], unsigned char *dataPtr) {
int upperBorder;
int lowerBorder;
m_flipLeftRight = 0;
if (scale < 0) { // flip left right
m_flipLeftRight = 1;
scale = -scale;
}
// X1
upperBorder = *(dataPtr + 3);
if (m_flipLeftRight) {
upperBorder = -upperBorder;
}
upperBorder = (upscaleValue(upperBorder, scale) + 0x8000) >> 16;
upperBorder = -upperBorder;
lowerBorder = upperBorder;
// X2
upperBorder = *(dataPtr + 1);
upperBorder -= *(dataPtr + 3);
if (m_flipLeftRight) {
upperBorder = -upperBorder;
}
upperBorder = (upscaleValue(upperBorder, scale) + 0x8000) >> 16;
if (upperBorder < lowerBorder) { // exchange borders if lower > upper
SWAP(upperBorder, lowerBorder);
}
sizeTable[0] = lowerBorder + positionX; // left
sizeTable[1] = upperBorder + positionX; // right
// Y1
upperBorder = *(dataPtr + 4);
upperBorder = (upscaleValue(upperBorder, scale) + 0x8000) >> 16;
upperBorder = -upperBorder;
lowerBorder = upperBorder;
// Y2
upperBorder = *(dataPtr + 2);
upperBorder -= *(dataPtr + 4);
upperBorder = (upscaleValue(upperBorder, scale) + 0x8000) >> 16;
if (upperBorder < lowerBorder) { // exchange borders if lower > upper
SWAP(upperBorder, lowerBorder);
}
sizeTable[2] = lowerBorder + positionY; // bottom
sizeTable[3] = upperBorder + positionY; // top
}
int nbseg;
int16 nbligne;
void blitPolyMode1(char *dest, char *pMask, int16 * buffer, char color) {
int Y = XMIN_XMAX[0];
for (int i = 0; i < nbligne; i++) {
int currentY = Y + i;
int XMIN = XMIN_XMAX[1+i*2];
int XMAX = XMIN_XMAX[1+i*2+1];
for (int x = XMIN; x <= XMAX; x++) {
if (testMask(x, currentY, (unsigned char*)pMask, 40)) {
*(dest + currentY * 320 + x) = color;
}
}
//line(XMIN, currentY, XMAX, currentY, color);
}
}
void blitPolyMode2(char *dest, int16 * buffer, char color) {
int Y = XMIN_XMAX[0];
for (int i = 0; i < nbligne; i++) {
int currentY = Y + i;
int XMIN = XMIN_XMAX[1+i*2];
int XMAX = XMIN_XMAX[1+i*2+1];
for (int x = XMIN; x <= XMAX; x++) {
*(dest + currentY * 320 + x) = color;
}
}
}
int polyXMin;
int polyXMax;
int polyYMax;
int polyYMin;
int16 *A2ptr;
void buildSegment(void) {
int16* pOut = XMIN_XMAX;
if ((polyXMin >= 320) || (polyXMax < 0) || (polyYMax < 0) || (polyYMin >= 200)) {
XMIN_XMAX[0] = -1;
nbligne = -1;
return;
}
if (polyYMin == polyYMax) { // line
*(pOut++) = polyYMin; // store initial Y
int cx = nbseg - 1;
int16* pIn = A2ptr;
int XLeft;
int XRight;
XLeft = XRight = *pIn; // init to first X
pIn += 2;
do {
int X = *pIn;
if (XLeft > X)
XLeft = X;
if (XRight < X)
XRight = X;
pIn += 2;
} while (--cx);
// now store left and right coordinates in XMIN_XMAX
int XMin = XLeft;
int XMax = XRight;
if (XLeft < 0)
XMin = 0;
if (XRight >= 320)
XMax = 319;
*(pOut++) = XMin;
*(pOut++) = XMax;
*(pOut++) = -1;
nbligne = 1;
return;
}
// true polygon
int ydep;
if (polyYMin < 0)
ydep = 0;
else
ydep = polyYMin;
int yfin;
if (polyYMax > 199)
yfin = 199;
else
yfin = polyYMax;
nbligne = yfin - ydep + 1;
int16* ptrMini = XMIN_XMAX + 1;
XMIN_XMAX[0] = ydep;
int16* ptrMax = XMIN_XMAX + ((yfin - ydep) * 2) + 1;
ptrMax[2] = -1; // mark the end
// init table with default values
int16* si = XMIN_XMAX + 1;
int tempCount = nbligne;
do {
si[0] = 5000;
si[1] = -5000;
si += 2;
} while (--tempCount);
int16* di = A2ptr;
int segCount = nbseg;
do {
int X2 = di[2];
int X1 = di[0];
int Y2 = di[3];
int Y1 = di[1];
int tempAX = Y1;
int tempDX = Y2;
if (tempAX > tempDX) {
// swap
tempAX = Y2;
tempDX = Y1;
}
// is segment on screen ?
if (!((tempAX > 199) || (tempDX < 0))) {
int dx = Y1;
int cx = X2 - X1;
if (cx == 0) {
// vertical line
int CX = X2;
if (CX < 0)
CX = 0;
int DX = X2;
if (DX > 319)
DX = 319;
int16* BX = XMIN_XMAX + (Y2 - ydep) * 2 + 1;
int16* DI = XMIN_XMAX + (Y1 - ydep) * 2 + 1;
if (Y2 >= Y1) {
SWAP(BX, DI);
}
do {
if ((BX <= ptrMax) && (BX >= ptrMini)) { // are we in screen ?
if (CX < BX[0])
BX[0] = CX;
if (DX > BX[1])
BX[1] = DX;
}
BX += 2;
} while (BX <= DI);
} else {
if (cx < 0) {
cx = -cx;
dx = Y2;
SWAP(X1, X2);
SWAP(Y1, Y2);
}
// swap again ?
SWAP(X1, X2);
int patchAdd = 2;
int dy = Y2 - Y1;
if (dy == 0) {
// hline
int16* ptr = (Y1 - ydep) * 2 + XMIN_XMAX + 1;
if ((ptr <= ptrMax) && (ptr >= ptrMini)) { // are we in screen ?
int CX = X1;
if (CX < 0)
CX = 0;
int SI = X2;
if (SI > 319)
SI = 319;
if (CX < ptr[0])
ptr[0] = CX;
if (SI > ptr[1])
ptr[1] = SI;
}
} else {
if (dy < 0) {
dy = -dy;
patchAdd = -2;
}
int stepType = 0; // small DY <= DX
if (dy > cx) {
stepType = 1; // DX < DY
SWAP(dy, cx);
}
int patchinc1 = 2 * dy;
int d = 2 * dy - cx;
int bx = 2 * (dy - cx);
int patchinc2 = bx;
cx++; // cx is the number of pixels to trace
int16* ptr = (Y1 - ydep) * 2 + XMIN_XMAX + 1;
if (stepType == 0) {
// small step
int BP = X2;
int SI = BP;
if (SI < 0)
SI = 0;
int DX = BP;
if (DX > 319)
DX = 319;
do {
if ((ptr <= ptrMax) && (ptr >= ptrMini)) { // are we in screen ?
if (SI < ptr[0])
ptr[0] = SI;
if (DX > ptr[1])
ptr[1] = DX;
}
BP ++;
// test limits
SI = BP;
if (SI < 0)
SI = 0;
DX = BP;
if (DX > 319)
DX = 319;
if (d < 0) {
d += patchinc1;
if (cx == 1) { // last ?
if ((ptr <= ptrMax) && (ptr >= ptrMini)) { // are we in screen ?
if (SI < ptr[0])
ptr[0] = SI;
if (DX > ptr[1])
ptr[1] = DX;
}
}
} else {
d += patchinc2;
ptr += patchAdd;
}
} while (--cx);
} else {
// big step
int BP = X2;
int SI = BP;
if (SI < 0)
SI = 0;
int DX = BP;
if (DX > 319)
DX = 319;
do {
if ((ptr <= ptrMax) && (ptr >= ptrMini)) { // are we in screen ?
if (SI < ptr[0])
ptr[0] = SI;
if (DX > ptr[1])
ptr[1] = DX;
}
ptr += patchAdd; // next line
if (d < 0) {
d += patchinc1;
} else {
d += patchinc2;
BP ++;
// test limits
SI = BP;
if (SI < 0)
SI = 0;
DX = BP;
if (DX > 319)
DX = 319;
}
} while (--cx);
}
}
}
}
di += 2;
} while (--segCount);
}
unsigned char *drawPolyMode1(unsigned char *dataPointer, int linesToDraw) {
int index;
int16 *pBufferDest;
pBufferDest = polyBuffer4 + nbseg * 2;
nbseg = linesToDraw;
A2ptr = polyBuffer4;
index = *(dataPointer++);
polyXMin = polyXMax = pBufferDest[-2] = pBufferDest[-2 + linesToDraw * 2] = polyBuffer2[index * 2];
polyYMin = polyYMax = pBufferDest[-1] = pBufferDest[-1 + linesToDraw * 2] = polyBuffer2[(index * 2) + 1];
linesToDraw--;
pBufferDest -= 2;
A2ptr = pBufferDest;
do {
int value;
index = *(dataPointer++);
value = pBufferDest[-2] = pBufferDest[-2 + nbseg * 2] = polyBuffer2[index * 2];
if (value < polyXMin) {
polyXMin = value;
}
if (value > polyXMax) {
polyXMax = value;
}
value = pBufferDest[-1] = pBufferDest[-1 + nbseg * 2] = polyBuffer2[(index * 2) + 1];
if (value < polyYMin) {
polyYMin = value;
}
if (value > polyYMax) {
polyYMax = value;
A2ptr = pBufferDest;
}
pBufferDest -= 2;
} while (--linesToDraw);
buildSegment();
return dataPointer;
}
unsigned char *drawPolyMode2(unsigned char *dataPointer, int linesToDraw) {
int index;
int16 *pBufferDest;
pBufferDest = polyBuffer4;
nbseg = linesToDraw;
A2ptr = polyBuffer4;
index = *(dataPointer++);
polyXMin = polyXMax = pBufferDest[0] = pBufferDest[linesToDraw * 2] = polyBuffer2[index * 2];
polyYMin = polyYMax = pBufferDest[1] = pBufferDest[linesToDraw * 2 + 1] = polyBuffer2[(index * 2) + 1];
linesToDraw--;
pBufferDest += 2;
do {
int value;
index = *(dataPointer++);
value = pBufferDest[0] = pBufferDest[nbseg * 2] = polyBuffer2[index * 2];
if (value < polyXMin) {
polyXMin = value;
}
if (value > polyXMax) {
polyXMax = value;
}
value = pBufferDest[1] = pBufferDest[nbseg * 2 + 1] = polyBuffer2[(index * 2) + 1];
if (value < polyYMin) {
polyYMin = value;
}
if (value > polyYMax) {
polyYMax = value;
A2ptr = pBufferDest;
}
pBufferDest += 2;
} while (--linesToDraw);
buildSegment();
return dataPointer;
}
// this function builds the poly model and then calls the draw functions (OLD: mainDrawSub1Sub5)
void buildPolyModel(int positionX, int positionY, int scale, char *pMask, char *destBuffer, char *dataPtr) {
int counter = 0; // numbers of coordinates to process
int startX = 0; // first X in model
int startY = 0; // first Y in model
int x = 0; // current X
int y = 0; // current Y
int offsetXinModel = 0; // offset of the X value in the model
int offsetYinModel = 0; // offset of the Y value in the model
unsigned char *dataPointer = (unsigned char *)dataPtr;
int16 *ptrPoly_1_Buf = DIST_3D;
int16 *ptrPoly_2_Buf;
polyOutputBuffer = destBuffer; // global
m_flipLeftRight = 0;
m_useSmallScale = 0;
m_lowerX = *(dataPointer + 3);
m_lowerY = *(dataPointer + 4);
if (scale < 0) {
scale = -scale; // flip left right
m_flipLeftRight = 1;
}
if (scale < 0x180) { // If scale is smaller than 384
m_useSmallScale = 1;
m_scaleValue = scale << 1; // double scale
} else {
m_scaleValue = scale;
}
dataPointer += 5;
m_coordCount = (*(dataPointer++)) + 1; // original uses +1 here but its later substracted again, we could skip it
m_first_X = *(dataPointer);
dataPointer++;
m_first_Y = *(dataPointer);
dataPointer++;
startX = m_lowerX - m_first_X;
startY = m_lowerY - m_first_Y;
if (m_useSmallScale) {
startX >>= 1;
startY >>= 1;
}
if (m_flipLeftRight) {
startX = -startX;
}
/*
* NOTE:
*
* The original code continues here with using X, Y instead of startX and StartY.
*
* Original code:
* positionX -= (upscaleValue(startX, m_scaleValue) + 0x8000) >> 16;
* positionY -= (upscaleValue(startX, m_scaleValue) + 0x8000) >> 16;
*/
// get coordinates from data
startX = positionX - ((upscaleValue(startX, m_scaleValue) + 0x8000) >> 16);
startY = positionY - ((upscaleValue(startY, m_scaleValue) + 0x8000) >> 16);
ptrPoly_1_Buf[0] = 0;
ptrPoly_1_Buf[1] = 0;
ptrPoly_1_Buf += 2;
counter = m_coordCount - 1 - 1; // skip the first pair, we already have the values
// dpbcl0
do {
x = *(dataPointer) - m_first_X;
dataPointer++;
if (m_useSmallScale) { // shrink all coordinates by factor 2 if a scale smaller than 384 is used
x >>= 1;
}
ptrPoly_1_Buf[0] = offsetXinModel - x;
ptrPoly_1_Buf++;
offsetXinModel = x;
y = *(dataPointer) - m_first_Y;
dataPointer++;
if (m_useSmallScale) {
y >>= 1;
}
ptrPoly_1_Buf[0] = -(offsetYinModel - y);
ptrPoly_1_Buf++;
offsetYinModel = y;
} while (--counter);
// scale and adjust coordinates with offset (using two polybuffers by doing that)
ptrPoly_2_Buf = DIST_3D;
ptrPoly_1_Buf = polyBuffer2;
counter = m_coordCount - 1; // reset counter // process first pair two
int m_current_X = 0;
int m_current_Y = 0;
do {
x = ptrPoly_2_Buf[0];
if (m_flipLeftRight == 0) {
x = -x;
}
//////////////////
m_current_X += upscaleValue(x, m_scaleValue);
ptrPoly_1_Buf[0] = ((m_current_X + 0x8000) >> 16) + startX; // adjust X value with start offset
m_current_Y += upscaleValue(ptrPoly_2_Buf[1], m_scaleValue);
ptrPoly_1_Buf[1] = ((m_current_Y + 0x8000) >> 16) + startY; // adjust Y value with start offset
/////////////////
ptrPoly_1_Buf += 2;
ptrPoly_2_Buf += 2;
} while (--counter);
// position of the dataPointer is m_coordCount * 2
int polygonCount = 0;
do {
int linesToDraw = *dataPointer++;
if (linesToDraw > 1) { // if value not zero
uint16 minimumScale;
m_color = *dataPointer; // color
dataPointer += 2;
minimumScale = *(uint16 *)(dataPointer);
dataPointer += 2;
flipShort(&minimumScale);
if ((minimumScale <= scale)) {
if (m_flipLeftRight) {
drawPolyMode1((unsigned char *)dataPointer, linesToDraw);
} else {
drawPolyMode2((unsigned char *)dataPointer, linesToDraw);
}
if (destBuffer) {
if (pMask) {
blitPolyMode1(destBuffer, pMask, polyBuffer4, m_color & 0xFF);
} else {
blitPolyMode2(destBuffer, polyBuffer4, m_color & 0xFF);
}
}
}
dataPointer += linesToDraw;
} else {
dataPointer += 4;
}
polygonCount ++;
} while (*dataPointer != 0xFF);
}
bool findPoly(char* dataPtr, int positionX, int positionY, int scale, int mouseX, int mouseY) {
int counter = 0; // numbers of coordinates to process
int startX = 0; // first X in model
int startY = 0; // first Y in model
int x = 0; // current X
int y = 0; // current Y
int offsetXinModel = 0; // offset of the X value in the model
int offsetYinModel = 0; // offset of the Y value in the model
unsigned char *dataPointer = (unsigned char *)dataPtr;
int16 *ptrPoly_1_Buf = DIST_3D;
int16 *ptrPoly_2_Buf;
m_flipLeftRight = 0;
m_useSmallScale = 0;
m_lowerX = *(dataPointer + 3);
m_lowerY = *(dataPointer + 4);
if (scale < 0) {
scale = -scale; // flip left right
m_flipLeftRight = 1;
}
if (scale < 0x180) { // If scale is smaller than 384
m_useSmallScale = 1;
m_scaleValue = scale << 1; // double scale
} else {
m_scaleValue = scale;
}
dataPointer += 5;
m_coordCount = (*(dataPointer++)) + 1; // original uses +1 here but its later substracted again, we could skip it
m_first_X = *(dataPointer);
dataPointer++;
m_first_Y = *(dataPointer);
dataPointer++;
startX = m_lowerX - m_first_X;
startY = m_lowerY - m_first_Y;
if (m_useSmallScale) {
startX >>= 1;
startY >>= 1;
}
if (m_flipLeftRight) {
startX = -startX;
}
/*
* NOTE:
*
* The original code continues here with using X, Y instead of startX and StartY.
*
* Original code:
* positionX -= (upscaleValue(startX, m_scaleValue) + 0x8000) >> 16;
* positionY -= (upscaleValue(startX, m_scaleValue) + 0x8000) >> 16;
*/
// get coordinates from data
startX = positionX - ((upscaleValue(startX, m_scaleValue) + 0x8000) >> 16);
startY = positionY - ((upscaleValue(startY, m_scaleValue) + 0x8000) >> 16);
ptrPoly_1_Buf[0] = 0;
ptrPoly_1_Buf[1] = 0;
ptrPoly_1_Buf += 2;
counter = m_coordCount - 1 - 1; // skip the first pair, we already have the values
// dpbcl0
do {
x = *(dataPointer) - m_first_X;
dataPointer++;
if (m_useSmallScale) { // shrink all coordinates by factor 2 if a scale smaller than 384 is used
x >>= 1;
}
ptrPoly_1_Buf[0] = offsetXinModel - x;
ptrPoly_1_Buf++;
offsetXinModel = x;
y = *(dataPointer) - m_first_Y;
dataPointer++;
if (m_useSmallScale) {
y >>= 1;
}
ptrPoly_1_Buf[0] = -(offsetYinModel - y);
ptrPoly_1_Buf++;
offsetYinModel = y;
} while (--counter);
// scale and adjust coordinates with offset (using two polybuffers by doing that)
ptrPoly_2_Buf = DIST_3D;
ptrPoly_1_Buf = polyBuffer2;
counter = m_coordCount - 1; // reset counter // process first pair two
int m_current_X = 0;
int m_current_Y = 0;
do {
x = ptrPoly_2_Buf[0];
if (m_flipLeftRight == 0) {
x = -x;
}
//////////////////
m_current_X += upscaleValue(x, m_scaleValue);
ptrPoly_1_Buf[0] = ((m_current_X + 0x8000) >> 16) + startX; // adjust X value with start offset
m_current_Y += upscaleValue(ptrPoly_2_Buf[1], m_scaleValue);
ptrPoly_1_Buf[1] = ((m_current_Y + 0x8000) >> 16) + startY; // adjust Y value with start offset
/////////////////
ptrPoly_1_Buf += 2;
ptrPoly_2_Buf += 2;
} while (--counter);
// position of the dataPointer is m_coordCount * 2
int polygonCount = 0;
do {
int linesToDraw = *dataPointer++;
if (linesToDraw > 1) { // if value not zero
uint16 minimumScale;
m_color = *dataPointer; // color
dataPointer += 2;
minimumScale = *(uint16 *)(dataPointer);
dataPointer += 2;
flipShort(&minimumScale);
if ((minimumScale <= scale)) {
if (m_flipLeftRight) {
drawPolyMode1((unsigned char *)dataPointer, linesToDraw);
} else {
drawPolyMode2((unsigned char *)dataPointer, linesToDraw);
}
int polygonYMin = XMIN_XMAX[0];
int polygonYMax = polygonYMin + nbligne;
if ((mouseY >= polygonYMin) && (mouseY < polygonYMax)) {
int polygonLineNumber = mouseY - polygonYMin;
int XMIN = XMIN_XMAX[1+polygonLineNumber*2];
int XMAX = XMIN_XMAX[1+polygonLineNumber*2+1];
if ((mouseX >= XMIN) && (mouseX <= XMAX))
return true;
}
}
dataPointer += linesToDraw;
} else {
dataPointer += 4;
}
polygonCount ++;
} while (*dataPointer != 0xFF);
return false;
}
void clearMaskBit(int x, int y, unsigned char* pData, int stride) {
unsigned char* ptr = y * stride + x / 8 + pData;
unsigned char bitToTest = 0x80 >> (x & 7);
*(ptr) &= ~bitToTest;
}
void drawMask(unsigned char* workBuf, int wbWidth, int wbHeight, unsigned char* pMask, int maskWidth, int maskHeight, int maskX, int maskY, int passIdx) {
for (int y = 0; y < maskHeight; y++) {
for (int x = 0; x < maskWidth*8; x++) {
if (testMask(x, y, pMask, maskWidth)) {
int destX = maskX + x;
int destY = maskY + y;
if ((destX >= 0) && (destX < wbWidth*8) && (destY >= 0) && (destY < wbHeight))
clearMaskBit(destX, destY, workBuf, wbWidth);
}
}
}
}
unsigned char polygonMask[(320*200)/8];
// draw poly sprite (OLD: mainDrawSub1)
void mainDrawPolygons(int fileIndex, cellStruct *plWork, int X, int scale, int Y, char *destBuffer, char *dataPtr) {
int newX;
int newY;
int newScale;
char *newFrame;
int var_8; // unused
int sizeTable[4]; // 0 = left, 1 = right, 2 = bottom, 3 = top
// this function checks if the dataPtr is not 0, else it retrives the data for X, Y, scale and DataPtr again (OLD: mainDrawSub1Sub1)
flipPoly(fileIndex, (int16*)dataPtr, scale, &newFrame, X, Y, &newX, &newY, &newScale);
// this function fills the sizeTable for the poly (OLD: mainDrawSub1Sub2)
getPolySize(newX, newY, newScale, sizeTable, (unsigned char*)newFrame);
spriteX2 = sizeTable[0] - 2; // left border
spriteX1 = sizeTable[1] + 18; // right border
spriteY2 = sizeTable[2] - 2; // bottom border
spriteY1 = sizeTable[3] + 2; // top border
if (spriteX2 >= 320)
return;
if (spriteX1 < 0)
return;
if (spriteY2 >= 200)
return;
if (spriteY1 < 0)
return;
if (spriteX2 < 0) {
spriteX2 = 0;
}
if (spriteX1 > 320) {
spriteX1 = 320;
}
if (spriteY2 < 0) {
spriteY2 = 0;
}
if (spriteY1 > 200) {
spriteY1 = 200;
}
if (spriteX1 == spriteX2)
return;
if (spriteY1 == spriteY2)
return;
var_8 = 0;
memset(polygonMask, 0xFF, (320*200) / 8);
int numPasses = 0;
while (plWork) {
if (plWork->type == OBJ_TYPE_BGMK && plWork->freeze == 0) {
objectParamsQuery params;
getMultipleObjectParam(plWork->overlay, plWork->idx, &params);
int maskX = params.X;
int maskY = params.Y;
int maskFrame = params.fileIdx;
if (filesDatabase[maskFrame].subData.resourceType == OBJ_TYPE_BGMK && filesDatabase[maskFrame].subData.ptrMask) {
drawMask(polygonMask, 40, 200, filesDatabase[maskFrame].subData.ptrMask, filesDatabase[maskFrame].width / 8, filesDatabase[maskFrame].height, maskX, maskY, numPasses++);
} else
if (filesDatabase[maskFrame].subData.resourceType == OBJ_TYPE_SPRITE && filesDatabase[maskFrame].subData.ptrMask) {
drawMask(polygonMask, 40, 200, filesDatabase[maskFrame].subData.ptrMask, filesDatabase[maskFrame].width / 8, filesDatabase[maskFrame].height, maskX, maskY, numPasses++);
}
}
plWork = plWork->next;
}
// this function builds the poly model and then calls the draw functions (OLD: mainDrawSub1Sub5)
buildPolyModel(newX, newY, newScale, (char*)polygonMask, destBuffer, newFrame);
}
void drawMessage(const gfxEntryStruct *pGfxPtr, int globalX, int globalY, int width, int newColor, uint8 *ouputPtr) {
// this is used for font only
if (pGfxPtr) {
uint8 *initialOuput;
uint8 *output;
int xp, yp;
int x, y;
const uint8 *ptr = pGfxPtr->imagePtr;
int height = pGfxPtr->height;
if (width > 310)
width = 310;
if (width + globalX > 319)
globalX = 319 - width;
if (globalY < 0)
globalY = 0;
if (globalX < 0)
globalX = 0;
if (globalY + pGfxPtr->height >= 198) {
globalY = 198 - pGfxPtr->height;
}
initialOuput = ouputPtr + (globalY * 320) + globalX;
for (yp = 0; yp < height; yp++) {
output = initialOuput + 320 * yp;
y = globalY + yp;
for (xp = 0; xp < pGfxPtr->width; xp++) {
x = globalX + xp;
uint8 color = *(ptr++);
if (color) {
if ((x >= 0) && (x < 320) && (y >= 0) && (y < 200)) {
if (color == 1) {
*output = (uint8) 0;
} else {
*output = (uint8) newColor;
}
}
}
output++;
}
}
}
}
void drawSprite(int objX1, int height, cellStruct *currentObjPtr, uint8 *data1, int objY2, int objX2, uint8 *output, uint8 *data2) {
int x = 0;
int y = 0;
cellStruct* plWork = currentObjPtr;
int workBufferSize = height * (objX1 / 8);
unsigned char* workBuf = (unsigned char*)malloc(workBufferSize);
memcpy(workBuf, data2, workBufferSize);
int numPasses = 0;
while (plWork) {
if (plWork->type == OBJ_TYPE_BGMK && plWork->freeze == 0) {
objectParamsQuery params;
getMultipleObjectParam(plWork->overlay, plWork->idx, &params);
int maskX = params.X;
int maskY = params.Y;
int maskFrame = params.fileIdx;
if (filesDatabase[maskFrame].subData.resourceType == OBJ_TYPE_BGMK && filesDatabase[maskFrame].subData.ptrMask) {
drawMask(workBuf, objX1 / 8, height, filesDatabase[maskFrame].subData.ptrMask, filesDatabase[maskFrame].width / 8, filesDatabase[maskFrame].height, maskX - objX2, maskY - objY2, numPasses++);
} else
if (filesDatabase[maskFrame].subData.resourceType == OBJ_TYPE_SPRITE && filesDatabase[maskFrame].subData.ptrMask) {
drawMask(workBuf, objX1 / 8, height, filesDatabase[maskFrame].subData.ptrMask, filesDatabase[maskFrame].width / 8, filesDatabase[maskFrame].height, maskX - objX2, maskY - objY2, numPasses++);
}
}
plWork = plWork->next;
}
for (y = 0; y < height; y++) {
for (x = 0; x < (objX1); x++) {
uint8 color = (data1[0]);
data1++;
if ((x + objX2) >= 0 && (x + objX2) < 320 && (y + objY2) >= 0 && (y + objY2) < 200) {
if (testMask(x, y, workBuf, objX1 / 8)) {
output[320 * (y + objY2) + x + objX2] = color;
}
}
}
}
free(workBuf);
}
#ifdef _DEBUG
void drawCtp(void) {
/* int i;
if (ctp_walkboxTable) {
for (i = 0; i < 15; i++) {
uint16 *dataPtr = &ctp_walkboxTable[i * 40];
int type = walkboxColor[i]; // show different types in different colors
if (*dataPtr) {
int j;
fillpoly((short *)dataPtr + 1, *dataPtr, type);
for (j = 0; j < (*dataPtr - 1); j++) {
line(dataPtr[1 + j * 2],
dataPtr[1 + j * 2 + 1],
dataPtr[1 + (j + 1) * 2],
dataPtr[1 + (j + 1) * 2 + 1], 0);
}
line(dataPtr[1 + j * 2],
dataPtr[1 + j * 2 + 1], dataPtr[1],
dataPtr[2], 0);
}
}
}*/
}
#endif
void drawMenu(menuStruct *pMenu) {
if (pMenu == NULL)
return;
if (pMenu->numElements == 0)
return;
int hline = pMenu->gfx->height;
int x = pMenu->x;
int y = pMenu->y + hline;
int numItemByLine = (199 - hline * 2) / hline;
int nbcol = pMenu->numElements / numItemByLine;
if (!nbcol) {
nbcol++;
if (y + pMenu->numElements*hline > 199 - hline) {
y = 200 - (pMenu->numElements * hline) - hline;
}
} else {
if (pMenu->numElements % numItemByLine) {
nbcol++;
}
y = hline;
}
if (x > (320 - (nbcol*160)))
x = 320 - (nbcol * 160);
if (x < 0)
x = 0;
int wx = x + (nbcol - 1) * (160 / 2);
if (wx <= 320 - 160) {
drawMessage(pMenu->gfx, wx, y - hline, 160, titleColor, gfxModuleData.pPage10);
}
wx = x;
int wy = y;
int wc = 0;
menuElementStruct* p1 = pMenu->ptrNextElement;
while (p1) {
gfxEntryStruct *p2 = p1->gfx;
p1->x = wx;
p1->y = wy;
p1->varA = 160;
int color;
if (p1->varC) {
color = selectColor;
} else {
if (p1->color != 255) {
color = p1->color;
} else {
color = itemColor;
}
}
if (wx <= (320 - 160)) {
drawMessage(p2, wx, wy, 160, color, gfxModuleData.pPage10);
}
wy += hline;
wc ++;
if (wc == numItemByLine) {
wc = 0;
wx += 160;
wy = y;
}
p1 = p1->next;
}
}
int getValueFromObjectQuerry(objectParamsQuery *params, int idx) {
switch (idx) {
case 0:
return params->X;
case 1:
return params->Y;
case 2:
return params->baseFileIdx;
case 3:
return params->fileIdx;
case 4:
return params->scale;
case 5:
return params->state;
case 6:
return params->state2;
case 7:
return params->nbState;
}
assert(0);
return 0;
}
void mainDraw(int16 param) {
uint8 *bgPtr;
cellStruct *currentObjPtr;
int16 currentObjIdx;
int16 objX1 = 0;
int16 objY1 = 0;
int16 objZ1 = 0;
int16 objX2 = 0;
int16 objY2 = 0;
int16 objZ2 = 0;
int16 spriteHeight;
/*if (PCFadeFlag) {
return;
}*/
bgPtr = backgroundPtrtable[masterScreen];
if (bgPtr) {
gfxModuleData_gfxCopyScreen((char *)bgPtr, (char *)gfxModuleData.pPage10);
}
autoCellHead.next = NULL;
currentObjPtr = cellHead.next;
#ifdef _DEBUG
/* polyOutputBuffer = (char*)bgPtr;
drawCtp(); */
#endif
//-------------------------------------------------- PROCESS SPRITES -----------------------------------------//
while (currentObjPtr) {
if ((masterScreen == currentObjPtr->backgroundPlane) && (currentObjPtr->freeze == 0) && (currentObjPtr->type == OBJ_TYPE_SPRITE)) {
objectParamsQuery params;
currentObjIdx = currentObjPtr->idx;
if ((currentObjPtr->followObjectOverlayIdx != currentObjPtr->overlay) || (currentObjPtr->followObjectIdx != currentObjPtr->idx)) {
// Declaring this twice ?
// objectParamsQuery params;
getMultipleObjectParam(currentObjPtr->followObjectOverlayIdx, currentObjPtr->followObjectIdx, &params);
objX1 = params.X;
objY1 = params.Y;
objZ1 = params.fileIdx;
} else {
objX1 = 0;
objY1 = 0;
objZ1 = 0;
}
getMultipleObjectParam(currentObjPtr->overlay, currentObjIdx, &params);
objX2 = objX1 + params.X;
objY2 = objY1 + params.Y;
objZ2 = params.fileIdx;
if (objZ2 >= 0) {
objZ2 += objZ1;
}
if ((params.state >= 0) && (objZ2 >= 0) && filesDatabase[objZ2].subData.ptr) {
if (filesDatabase[objZ2].subData.resourceType == 8) { // Poly
mainDrawPolygons(objZ2, currentObjPtr, objX2, params.scale, objY2, (char *)gfxModuleData.pPage10, (char *)filesDatabase[objZ2].subData.ptr); // poly
} else if (filesDatabase[objZ2].subData.resourceType == 6) { // sound
} else if (filesDatabase[objZ2].resType == 1) { //(num plan == 1)
} else if (filesDatabase[objZ2].subData.resourceType == 4) {
objX1 = filesDatabase[objZ2].width; // width
spriteHeight = filesDatabase[objZ2].height; // height
if (filesDatabase[objZ2].subData.ptr) {
drawSprite(objX1, spriteHeight, currentObjPtr, filesDatabase[objZ2].subData.ptr, objY2, objX2, gfxModuleData.pPage10, filesDatabase[objZ2].subData.ptrMask);
}
}
}
// automatic animation process
if (currentObjPtr->animStep && !param) {
if (currentObjPtr->animCounter <= 0) {
bool change = true;
int newVal = getValueFromObjectQuerry(&params, currentObjPtr->animChange) + currentObjPtr->animStep;
if (currentObjPtr->animStep > 0) {
if (newVal > currentObjPtr->animEnd) {
if (currentObjPtr->animLoop) {
newVal = currentObjPtr->animStart;
if (currentObjPtr->animLoop > 0)
currentObjPtr->animLoop--;
} else {
int16 data2;
data2 = currentObjPtr->animStart;
change = false;
currentObjPtr->animStep = 0;
if (currentObjPtr->animType) { // should we resume the script ?
if (currentObjPtr->parentType == 20) {
changeScriptParamInList(currentObjPtr->parentOverlay, currentObjPtr->parent, &procHead, -1, 0);
} else if (currentObjPtr->parentType == 30) {
changeScriptParamInList(currentObjPtr->parentOverlay, currentObjPtr->parent, &relHead, -1, 0);
}
}
}
}
} else {
if (newVal < currentObjPtr->animEnd) {
if (currentObjPtr->animLoop) {
newVal = currentObjPtr->animStart;
if (currentObjPtr->animLoop > 0)
currentObjPtr->animLoop--;
} else {
int16 data2;
data2 = currentObjPtr->animStart;
change = false;
currentObjPtr->animStep = 0;
if (currentObjPtr->animType) { // should we resume the script ?
if (currentObjPtr->parentType == 20) {
changeScriptParamInList(currentObjPtr->parentOverlay, currentObjPtr->parent, &procHead, -1, 0);
} else if (currentObjPtr->parentType == 30) {
changeScriptParamInList(currentObjPtr->parentOverlay, currentObjPtr->parent, &relHead, -1, 0);
}
}
}
}
}
if (currentObjPtr->animWait >= 0) {
currentObjPtr->animCounter = currentObjPtr->animWait;
}
if ((currentObjPtr->animSignal >= 0) && (currentObjPtr->animSignal == newVal) && (currentObjPtr->animType != 0)) {
if (currentObjPtr->parentType == 20) {
changeScriptParamInList(currentObjPtr->parentOverlay, currentObjPtr->parent, &procHead, -1, 0);
} else if (currentObjPtr->parentType == 30) {
changeScriptParamInList(currentObjPtr->parentOverlay, currentObjPtr->parent, &relHead, -1, 0);
}
currentObjPtr->animType = 0;
}
if (change) {
addAutoCell(currentObjPtr->overlay, currentObjPtr->idx, currentObjPtr->animChange, newVal, currentObjPtr);
}
} else {
currentObjPtr->animCounter--;
}
}
}
currentObjPtr = currentObjPtr->next;
}
//----------------------------------------------------------------------------------------------------------------//
freeAutoCell();
isMessage = 0;
//-------------------------------------------------- DRAW OBJECTS TYPE 5 (MSG)-----------------------------------------//
currentObjPtr = cellHead.next;
while (currentObjPtr) {
if (currentObjPtr->type == OBJ_TYPE_MSG && currentObjPtr->freeze == 0) {
drawMessage(currentObjPtr->gfxPtr, currentObjPtr->x, currentObjPtr->field_C, currentObjPtr->spriteIdx, currentObjPtr->color, gfxModuleData.pPage10);
isMessage = 1;
}
currentObjPtr = currentObjPtr->next;
}
//----------------------------------------------------------------------------------------------------------------//
if (currentActiveMenu != -1) {
if (menuTable[currentActiveMenu]) {
drawMenu(menuTable[currentActiveMenu]);
return;
}
} else if ((linkedRelation) && (linkedMsgList)) {
int16 mouseX;
int16 mouseY;
int16 button;
getMouseStatus(&main10, &mouseX, &button, &mouseY);
if (mouseY > (linkedMsgList->height)*2)
drawMessage(linkedMsgList, 0, 0, 320, findHighColor(), gfxModuleData.pPage10);
else
drawMessage(linkedMsgList, 0, 200, 320, findHighColor(), gfxModuleData.pPage10);
}
}
} // End of namespace Cruise
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