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-rw-r--r--scumm/intern.h4
-rw-r--r--scumm/script_v72he.cpp223
2 files changed, 220 insertions, 7 deletions
diff --git a/scumm/intern.h b/scumm/intern.h
index dc10c5779d..08140333e4 100644
--- a/scumm/intern.h
+++ b/scumm/intern.h
@@ -716,7 +716,9 @@ protected:
void writeFileFromArray(int slot, int resID);
void arrrays_unk2(int dst, int src, int len2, int len);
- void drawWizImage(int restype, int resnum, int state, int x1, int y1, int flags);
+ void getWizImageDim(int resnum, int state, uint32 &w, uint32 &h);
+ uint8 *drawWizImage(int restype, int resnum, int state, int x1, int y1, int flags);
+ void drawWizPolygon(int resnum, int state, int id, int flags);
void flushWizBuffer();
int findObject(int x, int y, int *args);
diff --git a/scumm/script_v72he.cpp b/scumm/script_v72he.cpp
index fbb6074b9a..734c2d52c5 100644
--- a/scumm/script_v72he.cpp
+++ b/scumm/script_v72he.cpp
@@ -1384,9 +1384,23 @@ void ScummEngine_v72he::o72_unknownC1() {
//debug(1, "stub o72_unknownC1(%s)", string);
}
-void ScummEngine_v72he::drawWizImage(int restype, int resnum, int state, int x1, int y1, int flags) {
- if (flags & 64)
- error("Polygon Wiz image is unimplemented");
+void ScummEngine_v72he::getWizImageDim(int resnum, int state, uint32 &w, uint32 &h) {
+ const uint8 *dataPtr = getResourceAddress(rtImage, resnum);
+ if (dataPtr) {
+ const uint8 *wizh = findWrappedBlock(MKID('WIZH'), dataPtr, state, 0);
+ w = READ_LE_UINT32(wizh + 0x4);
+ h = READ_LE_UINT32(wizh + 0x8);
+ } else {
+ w = 0;
+ h = 0;
+ }
+}
+
+uint8 *ScummEngine_v72he::drawWizImage(int restype, int resnum, int state, int x1, int y1, int flags) {
+ if (flags & 64) {
+ drawWizPolygon(resnum, state, x1, flags);
+ return NULL;
+ }
const uint8 *dataPtr = getResourceAddress(restype, resnum);
if (dataPtr) {
@@ -1410,10 +1424,10 @@ void ScummEngine_v72he::drawWizImage(int restype, int resnum, int state, int x1,
}
if (flags & 4) {
warning("printing Wiz image is unimplemented");
- return;
+ return NULL;
}
- uint8 *dst = 0;
+ uint8 *dst = NULL;
if (flags & 0x24) { // printing (0x4) or rendering to memory (0x20)
dst = (uint8 *)malloc(width * height);
memset(dst, 255, width * height); // make transparent
@@ -1426,7 +1440,8 @@ void ScummEngine_v72he::drawWizImage(int restype, int resnum, int state, int x1,
gdi.copyWizImage(dst, wizd, width, height, 0, 0, width, height, &rScreen);
setCursorFromBuffer(dst, width, height, width);
free(dst);
- return;
+ // FIXME: return a valid pointer for drawWizPolygon (0x20)
+ return NULL;
}
}
@@ -1452,6 +1467,202 @@ void ScummEngine_v72he::drawWizImage(int restype, int resnum, int state, int x1,
}
}
}
+ return NULL;
+}
+
+struct PolygonDrawData {
+ struct InterArea {
+ int16 xmin;
+ int16 xmax;
+ int16 x1;
+ int16 y1;
+ int16 x2;
+ int16 y2;
+ };
+ struct ResArea {
+ int16 off;
+ int16 x_step;
+ int16 y_step;
+ int16 x_s;
+ int16 y_s;
+ uint16 w;
+ };
+ Common::Point pts[4];
+ ResArea *ra;
+ InterArea *ia;
+ int areasNum;
+
+ PolygonDrawData(int n) {
+ memset(pts, 0, sizeof(pts));
+ areasNum = n;
+ ra = new ResArea[areasNum];
+ ia = new InterArea[areasNum];
+ for (int i = 0; i < areasNum; ++i) {
+ ia[i].xmin = (int16)0x7FFF;
+ ia[i].xmax = (int16)0x8000;
+ }
+ }
+
+ ~PolygonDrawData() {
+ delete[] ra;
+ delete[] ia;
+ }
+
+ void calcIntersection(const Common::Point *p1, const Common::Point *p2, const Common::Point *p3, const Common::Point *p4) {
+ int32 x1 = p1->x << 0x10;
+ int32 x3 = p3->x << 0x10;
+ int32 y3 = p3->y << 0x10;
+ int16 dy = ABS(p2->y - p1->y) + 1;
+ int32 x_step_1 = ((p2->x - p1->x) << 0x10) / dy;
+ int32 x_step_2 = ((p4->x - p3->x) << 0x10) / dy;
+ int32 y_step = ((p4->y - p3->y) << 0x10) / dy;
+
+ int iaidx = p1->y - pts[0].y;
+ --dy;
+ while (dy--) {
+ assert(iaidx < areasNum);
+ InterArea *pia = &ia[iaidx];
+ int32 tx3 = x3 >> 0x10;
+ int32 x = x1 >> 0x10;
+ int32 ty3 = y3 >> 0x10;
+ if (pia->xmin > x) {
+ pia->xmin = x;
+ pia->x1 = tx3;
+ pia->y1 = ty3;
+ }
+ if (pia->xmax < x) {
+ pia->xmax = x;
+ pia->x2 = tx3;
+ pia->y2 = ty3;
+ }
+ x1 += x_step_1;
+ x3 += x_step_2;
+ y3 += y_step;
+
+ if (p2->y > p1->y) {
+ --iaidx;
+ } else {
+ ++iaidx;
+ }
+ }
+ }
+};
+
+void ScummEngine_v72he::drawWizPolygon(int resnum, int state, int id, int flags) {
+ warning("ScummEngine_v72he::drawWizPolygon() is untested, please report if you encouter any glitches");
+ int i;
+ WizPolygon *wp = NULL;
+ for (i = 0; i < _wizNumPolygons; ++i) {
+ if (_wizPolygons[i].id == id) {
+ wp = &_wizPolygons[i];
+ break;
+ }
+ }
+ if (!wp) {
+ error("Polygon %d is not defined", id);
+ }
+ if (wp->numVerts != 5) {
+ error("Invalid point count %d for Polygon %d", wp->numVerts, id);
+ }
+ // FIXME: make drawWizImage return a *valid* malloc'ed pointer
+ uint8 *srcWizBuf = drawWizImage(rtImage, resnum, state, 0, 0, 0x20);
+ if (srcWizBuf) {
+ uint8 *dst;
+ VirtScreen *pvs = &virtscr[kMainVirtScreen];
+ if (flags & 0x10) {
+ dst = pvs->getPixels(0, pvs->topline);
+ } else {
+ dst = pvs->getBackPixels(0, pvs->topline);
+ }
+ if (wp->bound.left < 0 || wp->bound.top < 0 || wp->bound.right >= pvs->w || wp->bound.bottom >= pvs->h) {
+ error("Invalid coords polygon %d", wp->id);
+ }
+
+ uint32 wizW, wizH;
+ getWizImageDim(resnum, state, wizW, wizH);
+ Common::Point bbox[4];
+ bbox[0].x = 0;
+ bbox[0].y = 0;
+ bbox[1].x = wizW - 1;
+ bbox[1].y = 0;
+ bbox[2].x = wizW - 1;
+ bbox[2].y = wizH - 1;
+ bbox[3].x = 0;
+ bbox[3].y = wizH - 1;
+
+ int16 xmin_p, xmax_p, ymin_p, ymax_p;
+ xmin_p = xmax_p = wp->vert[0].x;
+ ymin_p = ymax_p = wp->vert[0].y;
+ for (i = 1; i < 4; ++i) {
+ xmin_p = MIN(wp->vert[i].x, xmin_p);
+ xmax_p = MAX(wp->vert[i].x, xmax_p);
+ ymin_p = MIN(wp->vert[i].y, ymin_p);
+ ymax_p = MAX(wp->vert[i].y, ymax_p);
+ }
+
+ int16 xmin_b, xmax_b, ymin_b, ymax_b;
+ xmin_b = xmax_b = bbox[0].x;
+ ymin_b = ymax_b = bbox[0].y;
+ for (i = 1; i < 4; ++i) {
+ xmin_b = MIN(bbox[i].x, xmin_b);
+ xmax_b = MAX(bbox[i].x, xmax_b);
+ ymin_b = MIN(bbox[i].y, ymin_b);
+ ymax_b = MAX(bbox[i].y, ymax_b);
+ }
+
+ PolygonDrawData *pdd = new PolygonDrawData(ymax_p - ymin_p + 1);
+ pdd->pts[0].x = xmin_p;
+ pdd->pts[0].y = ymin_p;
+ pdd->pts[1].x = xmax_p;
+ pdd->pts[1].y = ymax_p;
+ pdd->pts[2].x = xmin_b;
+ pdd->pts[2].y = ymin_b;
+ pdd->pts[3].x = xmax_b;
+ pdd->pts[3].y = ymax_b;
+
+ for (i = 0; i < 3; ++i) {
+ pdd->calcIntersection(&wp->vert[i], &wp->vert[i + 1], &bbox[i], &bbox[i + 1]);
+ }
+ pdd->calcIntersection(&wp->vert[3], &wp->vert[0], &bbox[3], &bbox[0]);
+
+ int yoff = pdd->pts[0].y * pvs->w;
+ for (i = 0; i < pdd->areasNum; ++i) {
+ PolygonDrawData::ResArea *pra = &pdd->ra[i];
+ PolygonDrawData::InterArea *pia = &pdd->ia[i];
+ pra->off = pia->xmin + yoff;
+ pra->w = pia->xmax - pia->xmin + 1;
+ pra->x_s = pia->x1 << 0x10;
+ pra->y_s = pia->y1 << 0x10;
+ pra->x_step = ((pia->x2 - pia->x1) << 0x10) / pra->w;
+ pra->y_step = ((pia->y2 - pia->y1) << 0x10) / pra->w;
+ yoff += pvs->w;
+ }
+
+ for (i = 0; pdd->areasNum; ++i) {
+ PolygonDrawData::ResArea *pra = &pdd->ra[i];
+ uint8 *dstPtr = dst + pra->off;
+ int16 x_acc = pra->x_s;
+ int16 y_acc = pra->y_s;
+ uint16 rw = pra->w;
+ while (rw--) {
+ uint srcWizOff = (y_acc >> 0x10) * wizW + (x_acc >> 0x10);
+ x_acc += pra->x_step;
+ y_acc += pra->y_step;
+ *dstPtr++ = srcWizBuf[srcWizOff];
+ }
+ }
+
+ delete pdd;
+
+ if (flags & 0x10) {
+ markRectAsDirty(kMainVirtScreen, wp->bound);
+ } else {
+ gdi.copyVirtScreenBuffers(wp->bound);
+ }
+
+ free(srcWizBuf);
+ }
+
}
void ScummEngine_v72he::redrawBGAreas() {
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