mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-25 03:07:06 +00:00
097e0a74a9
o Added new parameter to ScummEngine constructor which passed substitute file name index. It eliminates a long-standing hack and simplifies bundles porocessing considerably o Thus simplified detection/reading MM NES PRG file. svn-id: r18183
496 lines
13 KiB
C++
496 lines
13 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "common/system.h"
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#include "common/util.h"
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#include "scumm/bomp.h"
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#include "scumm/charset.h"
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#include "scumm/intern.h"
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#include "scumm/object.h"
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#include "scumm/resource_v7he.h"
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#include "scumm/saveload.h"
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#include "scumm/scumm.h"
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namespace Scumm {
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/*
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* Mouse cursor cycle colors (for the default crosshair).
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*/
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static const byte default_v1_cursor_colors[4] = {
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1, 1, 12, 11
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};
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static const byte default_cursor_colors[4] = {
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15, 15, 7, 8
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};
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static const uint16 default_cursor_images[4][16] = {
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/* cross-hair */
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{ 0x0080, 0x0080, 0x0080, 0x0080, 0x0080, 0x0080, 0x0000, 0x7e3f,
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0x0000, 0x0080, 0x0080, 0x0080, 0x0080, 0x0080, 0x0080, 0x0000 },
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/* hourglass */
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{ 0x0000, 0x7ffe, 0x6006, 0x300c, 0x1818, 0x0c30, 0x0660, 0x03c0,
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0x0660, 0x0c30, 0x1998, 0x33cc, 0x67e6, 0x7ffe, 0x0000, 0x0000 },
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/* arrow */
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{ 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x7f00,
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0x7f80, 0x78c0, 0x7c00, 0x4600, 0x0600, 0x0300, 0x0300, 0x0180 },
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/* hand */
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{ 0x1e00, 0x1200, 0x1200, 0x1200, 0x1200, 0x13ff, 0x1249, 0x1249,
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0xf249, 0x9001, 0x9001, 0x9001, 0x8001, 0x8001, 0x8001, 0xffff },
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};
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static const byte default_cursor_hotspots[10] = {
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8, 7, 8, 7, 1, 1, 5, 0,
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8, 7, //zak256
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};
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static const uint16 default_he_cursor[64] = {
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0x0000, 0x0000, 0x3800, 0x0000, 0x7e00, 0x0000, 0x5f80, 0x0000,
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0x5fe0, 0x0000, 0x2ff8, 0x0000, 0x27fe, 0x0000, 0x17ff, 0x8000,
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0x13ff, 0xe000, 0x09ff, 0xf000, 0x09ff, 0xf800, 0x04ff, 0xf800,
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0x047f, 0xf000, 0x027f, 0xe000, 0x023f, 0xf000, 0x011f, 0xf800,
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0x0111, 0xfc00, 0x0080, 0xfc00, 0x0084, 0x0c00, 0x004a, 0x0800,
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0x0031, 0x1000, 0x0000, 0xe000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
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};
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ScummEngine_v5::ScummEngine_v5(GameDetector *detector, OSystem *syst, const ScummGameSettings &gs, uint8 md5sum[16], int substResFileNameIndex)
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: ScummEngine(detector, syst, gs, md5sum, substResFileNameIndex) {
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for (int i = 0; i < 4; i++) {
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memcpy(_cursorImages[i], default_cursor_images[i], 32);
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}
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memcpy(_cursorHotspots, default_cursor_hotspots, 8);
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}
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void ScummEngine::setupCursor() {
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_cursor.animate = 1;
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}
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void ScummEngine_v5::animateCursor() {
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if (_cursor.animate) {
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if (!(_cursor.animateIndex & 0x1)) {
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setBuiltinCursor((_cursor.animateIndex >> 1) & 3);
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}
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_cursor.animateIndex++;
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}
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}
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void ScummEngine_v6::setCursorHotspot(int x, int y) {
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_cursor.hotspotX = x;
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_cursor.hotspotY = y;
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}
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void ScummEngine_v6::setCursorTransparency(int a) {
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int i, size;
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size = _cursor.width * _cursor.height;
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for (i = 0; i < size; i++)
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if (_grabbedCursor[i] == (byte)a)
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_grabbedCursor[i] = 0xFF;
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updateCursor();
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}
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void ScummEngine::updateCursor() {
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_system->setMouseCursor(_grabbedCursor, _cursor.width, _cursor.height,
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_cursor.hotspotX, _cursor.hotspotY,
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(_platform == Common::kPlatformNES ? _grabbedCursor[63] : 255),
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(_heversion == 70 ? 2 : 1));
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}
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void ScummEngine_v6::grabCursor(int x, int y, int w, int h) {
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VirtScreen *vs = findVirtScreen(y);
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if (vs == NULL) {
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warning("grabCursor: invalid Y %d", y);
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return;
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}
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setCursorFromBuffer((byte *)vs->pixels + (y - vs->topline) * vs->pitch + x, w, h, vs->pitch);
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}
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void ScummEngine::setCursorFromBuffer(byte *ptr, int width, int height, int pitch) {
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uint size;
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byte *dst;
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size = width * height;
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if (size > sizeof(_grabbedCursor))
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error("grabCursor: grabbed cursor too big");
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_cursor.width = width;
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_cursor.height = height;
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_cursor.animate = 0;
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dst = _grabbedCursor;
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for (; height; height--) {
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memcpy(dst, ptr, width);
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dst += width;
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ptr += pitch;
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}
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updateCursor();
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}
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#ifndef DISABLE_HE
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void ScummEngine_v70he::setCursorFromImg(uint img, uint room, uint imgindex) {
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_resExtractor->setCursor(img);
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}
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void ScummEngine_v90he::setDefaultCursor() {
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const uint16 *src;
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int i, j;
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static byte palette[] = { 0xff, 0xff, 0xff, 0,
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0, 0, 0, 0};
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memset(_grabbedCursor, 0xFF, sizeof(_grabbedCursor));
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_cursor.hotspotX = _cursor.hotspotY = 2;
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src = default_he_cursor;
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_cursor.width = 32;
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_cursor.height = 32;
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for (i = 0; i < 32; i++) {
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for (j = 0; j < 32; j++) {
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if (*src & (1 << (15 - (j % 16))))
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_grabbedCursor[32 * i + j] = 0xfe;
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if (j == 15)
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src++;
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}
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src++;
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}
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// Since white color position is not guaranteed
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// we setup our own palette if supported by backend
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if (_system->hasFeature(OSystem::kFeatureCursorHasPalette))
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_system->setCursorPalette(palette, 0xfe, 2);
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updateCursor();
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}
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#endif
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void ScummEngine_v6::setCursorFromImg(uint img, uint room, uint imgindex) {
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int w, h;
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const byte *dataptr, *bomp;
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uint32 size;
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FindObjectInRoom foir;
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const ImageHeader *imhd;
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if (room == (uint) - 1)
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room = getObjectRoom(img);
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findObjectInRoom(&foir, foCodeHeader | foImageHeader | foCheckAlreadyLoaded, img, room);
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imhd = (const ImageHeader *)findResourceData(MKID('IMHD'), foir.obim);
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if (_version == 8) {
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setCursorHotspot(READ_LE_UINT32(&imhd->v8.hotspot[0].x),
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READ_LE_UINT32(&imhd->v8.hotspot[0].y));
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w = READ_LE_UINT32(&imhd->v8.width) / 8;
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h = READ_LE_UINT32(&imhd->v8.height) / 8;
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} else if (_version == 7) {
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setCursorHotspot(READ_LE_UINT16(&imhd->v7.hotspot[0].x),
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READ_LE_UINT16(&imhd->v7.hotspot[0].y));
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w = READ_LE_UINT16(&imhd->v7.width) / 8;
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h = READ_LE_UINT16(&imhd->v7.height) / 8;
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} else {
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if (_heversion == 0) {
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setCursorHotspot(READ_LE_UINT16(&imhd->old.hotspot[0].x),
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READ_LE_UINT16(&imhd->old.hotspot[0].y));
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}
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w = READ_LE_UINT16(&foir.cdhd->v6.w) / 8;
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h = READ_LE_UINT16(&foir.cdhd->v6.h) / 8;
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}
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dataptr = getObjectImage(foir.obim, imgindex);
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assert(dataptr);
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if (_version == 8) {
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bomp = dataptr;
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} else {
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size = READ_BE_UINT32(dataptr + 4);
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if (size > sizeof(_grabbedCursor))
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error("setCursorFromImg: Cursor image too large");
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bomp = findResource(MKID('BOMP'), dataptr);
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}
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if (bomp != NULL)
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useBompCursor(bomp, w, h);
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else
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useIm01Cursor(dataptr, w, h);
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}
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void ScummEngine_v6::useIm01Cursor(const byte *im, int w, int h) {
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VirtScreen *vs = &virtscr[0];
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byte *buf, *dst;
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const byte *src;
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int i;
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w *= 8;
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h *= 8;
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// Backup the screen content
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dst = buf = (byte *)malloc(w * h);
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src = vs->getPixels(0, 0);
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for (i = 0; i < h; i++) {
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memcpy(dst, src, w);
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dst += w;
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src += vs->pitch;
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}
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// Do some drawing
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drawBox(0, 0, w - 1, h - 1, 0xFF);
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vs->hasTwoBuffers = false;
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gdi.disableZBuffer();
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gdi.drawBitmap(im, vs, _screenStartStrip, 0, w, h, 0, w / 8, 0);
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vs->hasTwoBuffers = true;
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gdi.enableZBuffer();
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// Grab the data we just drew and setup the cursor with it
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setCursorFromBuffer(vs->getPixels(0, 0), w, h, vs->pitch);
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// Restore the screen content
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src = buf;
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dst = vs->getPixels(0, 0);
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for (i = 0; i < h; i++) {
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memcpy(dst, src, w);
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dst += vs->pitch;
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src += w;
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}
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free(buf);
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}
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void ScummEngine_v6::useBompCursor(const byte *im, int width, int height) {
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uint size;
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width *= 8;
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height *= 8;
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size = width * height;
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if (size > sizeof(_grabbedCursor))
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error("useBompCursor: cursor too big (%d)", size);
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_cursor.width = width;
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_cursor.height = height;
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_cursor.animate = 0;
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// Skip the header
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if (_version == 8) {
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im += 16;
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} else {
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im += 18;
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}
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decompressBomp(_grabbedCursor, im, width, height);
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updateCursor();
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}
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void ScummEngine_v5::redefineBuiltinCursorFromChar(int index, int chr) {
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// Cursor image in both Looms are based on images from charset.
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if (_gameId != GID_LOOM && _gameId != GID_LOOM256) {
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// FIXME: Actually: is this opcode ever called by a non-Loom game?
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// Which V3-V5 game besides Loom makes use of custom cursors, ever?
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warning("V3--V5 SO_CURSOR_IMAGE(%d,%d) called - tell Fingolfin where you saw this!", index, chr);
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}
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assert(index >= 0 && index < 4);
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// const int oldID = _charset->getCurID();
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if (_version == 3) {
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_charset->setCurID(0);
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} else if (_version >= 4) {
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_charset->setCurID(1);
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}
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Graphics::Surface s;
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byte buf[16*16];
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memset(buf, 123, 16*16);
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s.pixels = buf;
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s.w = _charset->getCharWidth(chr);
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s.h = _charset->getFontHeight();
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s.pitch = s.w;
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assert(s.w <= 16 && s.h <= 16);
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s.bytesPerPixel = 1;
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_charset->drawChar(chr, s, 0, 0);
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uint16 *ptr = _cursorImages[index];
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memset(ptr, 0, 16 * sizeof(uint16));
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for (int h = 0; h < s.h; h++) {
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for (int w = 0; w < s.w; w++) {
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if (buf[s.pitch * h + w] != 123)
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*ptr |= 1 << (15 - w);
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}
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ptr++;
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}
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// _charset->setCurID(oldID);
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}
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void ScummEngine_v5::redefineBuiltinCursorHotspot(int index, int x, int y) {
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// Cursor image in both Looms are based on images from charset.
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if (_gameId != GID_LOOM && _gameId != GID_LOOM256) {
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// FIXME: Actually: is this opcode ever called by a non-Loom game?
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// Which V3-V5 game besides Loom makes use of custom cursors, ever?
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warning("V3--V5 SO_CURSOR_HOTSPOT(%d,%d,%d) called - tell Fingolfin where you saw this!", index, x, y);
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}
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assert(index >= 0 && index < 4);
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_cursorHotspots[index * 2] = x;
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_cursorHotspots[index * 2 + 1] = y;
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}
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void ScummEngine_v5::setBuiltinCursor(int idx) {
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int i, j;
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byte color;
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memset(_grabbedCursor, 0xFF, sizeof(_grabbedCursor));
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if (_version == 1)
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color = default_v1_cursor_colors[idx];
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else
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color = default_cursor_colors[idx];
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if (_platform == Common::kPlatformNES) {
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_cursor.width = 8;
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_cursor.height = 8;
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_cursor.hotspotX = 0;
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_cursor.hotspotY = 0;
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byte *dst = _grabbedCursor;
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byte *src = &_NESPatTable[0][0xfa * 16];
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byte *palette = _NESPalette[1];
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for (i = 0; i < 8; i++) {
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byte c0 = src[i];
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byte c1 = src[i + 8];
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for (j = 0; j < 8; j++)
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*dst++ = palette[((c0 >> (7 - j)) & 1) | (((c1 >> (7 - j)) & 1) << 1) | ((idx == 3) ? 4 : 0)];
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}
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} else if (_version <= 2 && _platform == Common::kPlatformAmiga) {
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_cursor.width = 15;
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_cursor.height = 15;
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_cursor.hotspotX = 7;
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_cursor.hotspotY = 7;
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byte *hotspot = _grabbedCursor + _cursor.hotspotY * _cursor.width + _cursor.hotspotX;
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// Crosshair, symmetric
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// TODO: Instead of setting this up via code, we should simply extend
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// default_cursor_images to contain this shape.
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for (i = 0; i < 5; i++) {
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*(hotspot - 3 - i) = color;
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*(hotspot + 3 + i) = color;
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*(hotspot - _cursor.width * (3 + i)) = color;
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*(hotspot + _cursor.width * (3 + i)) = color;
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}
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// Arrow heads, diagonal lines
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for (i = 1; i <= 2; i++) {
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*(hotspot - _cursor.width * i - (3 + i)) = color;
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*(hotspot + _cursor.width * i - (3 + i)) = color;
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*(hotspot - _cursor.width * i + (3 + i)) = color;
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*(hotspot + _cursor.width * i + (3 + i)) = color;
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*(hotspot - _cursor.width * (3 + i) - i) = color;
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*(hotspot + _cursor.width * (3 + i) - i) = color;
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*(hotspot - _cursor.width * (3 + i) + i) = color;
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*(hotspot + _cursor.width * (3 + i) + i) = color;
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}
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} else if (_version <= 2) {
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_cursor.width = 23;
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_cursor.height = 21;
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_cursor.hotspotX = 11;
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_cursor.hotspotY = 10;
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byte *hotspot = _grabbedCursor + _cursor.hotspotY * _cursor.width + _cursor.hotspotX;
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// Crosshair, slightly assymetric
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// TODO: Instead of setting this up via code, we should simply extend
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// default_cursor_images to contain this shape.
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for (i = 0; i < 7; i++) {
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*(hotspot - 5 - i) = color;
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*(hotspot + 5 + i) = color;
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}
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for (i = 0; i < 8; i++) {
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*(hotspot - _cursor.width * (3 + i)) = color;
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*(hotspot + _cursor.width * (3 + i)) = color;
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}
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// Arrow heads, diagonal lines
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for (i = 1; i <= 3; i++) {
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*(hotspot - _cursor.width * i - 5 - i) = color;
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*(hotspot + _cursor.width * i - 5 - i) = color;
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*(hotspot - _cursor.width * i + 5 + i) = color;
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*(hotspot + _cursor.width * i + 5 + i) = color;
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*(hotspot - _cursor.width * (i + 3) - i) = color;
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*(hotspot - _cursor.width * (i + 3) + i) = color;
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*(hotspot + _cursor.width * (i + 3) - i) = color;
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*(hotspot + _cursor.width * (i + 3) + i) = color;
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}
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// Final touches
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*(hotspot - _cursor.width - 7) = color;
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*(hotspot - _cursor.width + 7) = color;
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*(hotspot + _cursor.width - 7) = color;
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*(hotspot + _cursor.width + 7) = color;
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*(hotspot - (_cursor.width * 5) - 1) = color;
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*(hotspot - (_cursor.width * 5) + 1) = color;
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|
*(hotspot + (_cursor.width * 5) - 1) = color;
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|
*(hotspot + (_cursor.width * 5) + 1) = color;
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} else {
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const uint16 *src;
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|
|
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_cursor.hotspotX = _cursorHotspots[2 * _currentCursor];
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_cursor.hotspotY = _cursorHotspots[2 * _currentCursor + 1];
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src = _cursorImages[_currentCursor];
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|
|
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_cursor.width = 16;
|
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_cursor.height = 16;
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|
|
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for (i = 0; i < 16; i++) {
|
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for (j = 0; j < 16; j++) {
|
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if (src[i] & (1 << j))
|
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_grabbedCursor[16 * i + 15 - j] = color;
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}
|
|
}
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}
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|
|
|
updateCursor();
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}
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|
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} // End of namespace Scumm
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