/* 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. * */ #include "sci/sci.h" #include "sci/engine/state.h" #include "sci/graphics/screen.h" #include "sci/graphics/palette.h" #include "sci/graphics/remap.h" #include "sci/graphics/coordadjuster.h" #include "sci/graphics/view.h" namespace Sci { GfxView::GfxView(ResourceManager *resMan, GfxScreen *screen, GfxPalette *palette, GuiResourceId resourceId) : _resMan(resMan), _screen(screen), _palette(palette), _resourceId(resourceId) { assert(resourceId != -1); _coordAdjuster = g_sci->_gfxCoordAdjuster; initData(resourceId); } GfxView::~GfxView() { _loop.clear(); _resMan->unlockResource(_resource); } static const byte EGAmappingStraight[SCI_VIEW_EGAMAPPING_SIZE] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; static const byte ViewInject_LauraBow2_Both[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x37,0x37,0x37,0x37,0x00,0x00,0x00,0x37,0x37,0x37,0x37,0x00,0x00,0x37,0x37,0x37,0x37,0x37,0x37,0x00,0x37,0x37,0x00,0x00,0x37,0x37,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x08,0x08,0x08,0x08,0x37,0x00,0x37,0x37,0x08,0x08,0x08,0x32,0x00,0x37,0x08,0x08,0x08,0x08,0x08,0x32,0x37,0x08,0x32,0x00,0x37,0x08,0x32,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x08,0x32,0x32,0x00,0x08,0x32,0x37,0x08,0x32,0x32,0x00,0x08,0x32,0x00,0x00,0x32,0x08,0x32,0x32,0x32,0x37,0x08,0x32,0x00,0x37,0x08,0x32,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x08,0x32,0x00,0x37,0x08,0x32,0x37,0x08,0x32,0x00,0x37,0x08,0x32,0x00,0x00,0x37,0x08,0x32,0x00,0x00,0x37,0x08,0x00,0x37,0x37,0x08,0x32,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x08,0x32,0x08,0x08,0x32,0x00,0x37,0x08,0x32,0x00,0x37,0x08,0x32,0x00,0x00,0x37,0x08,0x32,0x00,0x00,0x37,0x08,0x08,0x08,0x08,0x08,0x32,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x08,0x32,0x32,0x00,0x08,0x32,0x37,0x08,0x32,0x00,0x37,0x08,0x32,0x00,0x00,0x37,0x08,0x32,0x00,0x00,0x37,0x08,0x32,0x32,0x37,0x08,0x32,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x08,0x00,0x37,0x37,0x08,0x32,0x37,0x08,0x00,0x37,0x37,0x08,0x32,0x00,0x00,0x37,0x08,0x32,0x00,0x00,0x37,0x08,0x32,0x00,0x37,0x08,0x32,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x08,0x08,0x08,0x08,0x32,0x00,0x00,0x37,0x08,0x08,0x08,0x32,0x00,0x00,0x00,0x37,0x08,0x32,0x00,0x00,0x37,0x08,0x32,0x00,0x37,0x08,0x32,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x32,0x32,0x32,0x32,0x00,0x00,0x00,0x00,0x32,0x32,0x32,0x00,0x00,0x00,0x00,0x00,0x32,0x32,0x00,0x00,0x00,0x32,0x32,0x00,0x00,0x32,0x32,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; static const byte ViewInject_KingsQuest6_Both1[] = { 0x17,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x13, 0x17,0x17,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x13,0x11, 0x16,0x17,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x17,0x16,0x16,0x16,0x16,0x13,0x13,0x13,0x17,0x16,0x16,0x16,0x13,0x13,0x17,0x16,0x16,0x16,0x16,0x16,0x13,0x17,0x16,0x13,0x13,0x17,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x16,0x10,0x10,0x10,0x10,0x16,0x13,0x16,0x16,0x10,0x10,0x10,0x11,0x13,0x16,0x10,0x10,0x10,0x10,0x10,0x11,0x16,0x10,0x11,0x13,0x16,0x10,0x11,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x16,0x10,0x11,0x11,0x13,0x10,0x11,0x16,0x10,0x11,0x11,0x13,0x10,0x11,0x13,0x13,0x11,0x10,0x11,0x11,0x11,0x16,0x10,0x11,0x13,0x16,0x10,0x11,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x16,0x10,0x11,0x13,0x16,0x10,0x11,0x16,0x10,0x11,0x13,0x16,0x10,0x11,0x13,0x13,0x16,0x10,0x11,0x13,0x13,0x16,0x10,0x13,0x16,0x16,0x10,0x11,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x16,0x10,0x11,0x10,0x10,0x11,0x13,0x16,0x10,0x11,0x13,0x16,0x10,0x11,0x13,0x13,0x16,0x10,0x11,0x13,0x13,0x16,0x10,0x10,0x10,0x10,0x10,0x11,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x16,0x10,0x11,0x11,0x13,0x10,0x11,0x16,0x10,0x11,0x13,0x16,0x10,0x11,0x13,0x13,0x16,0x10,0x11,0x13,0x13,0x16,0x10,0x11,0x11,0x13,0x10,0x11,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x16,0x10,0x13,0x16,0x16,0x10,0x11,0x16,0x10,0x13,0x16,0x16,0x10,0x11,0x13,0x13,0x16,0x10,0x11,0x13,0x13,0x16,0x10,0x11,0x13,0x16,0x10,0x11,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x16,0x10,0x10,0x10,0x10,0x11,0x13,0x13,0x16,0x10,0x10,0x10,0x11,0x13,0x13,0x13,0x16,0x10,0x11,0x13,0x13,0x16,0x10,0x11,0x13,0x16,0x10,0x11,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11,0x11,0x11,0x13,0x13,0x13,0x13,0x11,0x11,0x11,0x13,0x13,0x13,0x13,0x13,0x11,0x11,0x13,0x13,0x13,0x11,0x11,0x13,0x13,0x11,0x11,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x16,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x11,0x11, 0x16,0x13,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11, 0x13,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x11 }; 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void GfxView::initData(GuiResourceId resourceId) { _resource = _resMan->findResource(ResourceId(kResourceTypeView, resourceId), true); if (!_resource) { error("view resource %d not found", resourceId); } SciSpan celData, loopData; uint16 celOffset; CelInfo *cel; uint16 celCount = 0; uint16 mirrorBits = 0; uint32 palOffset = 0; uint16 headerSize = 0; uint16 loopSize = 0, celSize = 0; uint loopNo, celNo, EGAmapNr; byte seekEntry; bool isEGA = false; bool isCompressed = true; ViewType curViewType = _resMan->getViewType(); _loop.resize(0); _embeddedPal = false; _EGAmapping.clear(); _isScaleable = true; // we adjust inside getCelRect for SCI0EARLY (that version didn't have the +1 when calculating bottom) _adjustForSci0Early = getSciVersion() == SCI_VERSION_0_EARLY ? -1 : 0; // If we find an SCI1/SCI1.1 view (not amiga), we switch to that type for // EGA. This could get used to make view patches for EGA games, where the // new views include more colors. Users could manually adjust old views to // make them look better (like removing dithered colors that aren't caught // by our undithering or even improve the graphics overall). if (curViewType == kViewEga) { if (_resource->getUint8At(1) == 0x80) { curViewType = kViewVga; } else if (_resource->getUint16LEAt(4) == 1) { curViewType = kViewVga11; } } switch (curViewType) { case kViewEga: // SCI0 (and Amiga 16 colors) isEGA = true; // fall through case kViewAmiga: // Amiga ECS (32 colors) case kViewAmiga64: // Amiga AGA (64 colors) case kViewVga: // View-format SCI1 // LoopCount:WORD MirrorMask:WORD Version:WORD PaletteOffset:WORD LoopOffset0:WORD LoopOffset1:WORD... _loop.resize(_resource->getUint8At(0)); // bit 0x8000 of _resourceData[1] means palette is set if (_resource->getUint8At(1) & 0x40) isCompressed = false; mirrorBits = _resource->getUint16LEAt(2); palOffset = _resource->getUint16LEAt(6); if (palOffset && palOffset != 0x100) { // Some SCI0/SCI01 games also have an offset set. It seems that it // points to a 16-byte mapping table but on those games using that // mapping will actually screw things up. On the other side: VGA // SCI1 games have this pointing to a VGA palette and EGA SCI1 games // have this pointing to a 8x16 byte mapping table that needs to get // applied then. if (!isEGA) { _palette->createFromData(_resource->subspan(palOffset), &_viewPalette); _embeddedPal = true; } else { // Only use the EGA-mapping, when being SCI1 EGA // SCI1 VGA conversion games (which will get detected as SCI1EARLY/MIDDLE/LATE) have some views // with broken mapping tables. I guess those games won't use the mapping, so I rather disable it // for them if (getSciVersion() == SCI_VERSION_1_EGA_ONLY) { for (EGAmapNr = 0; EGAmapNr < SCI_VIEW_EGAMAPPING_COUNT; EGAmapNr++) { const SciSpan mapping = _resource->subspan(palOffset + EGAmapNr * SCI_VIEW_EGAMAPPING_SIZE, SCI_VIEW_EGAMAPPING_SIZE); if (memcmp(mapping.getUnsafeDataAt(0, SCI_VIEW_EGAMAPPING_SIZE), EGAmappingStraight, SCI_VIEW_EGAMAPPING_SIZE) != 0) break; } // If all mappings are "straight", then we actually ignore the mapping if (EGAmapNr == SCI_VIEW_EGAMAPPING_COUNT) _EGAmapping.clear(); else _EGAmapping = _resource->subspan(palOffset, SCI_VIEW_EGAMAPPING_COUNT * SCI_VIEW_EGAMAPPING_SIZE); } } } for (loopNo = 0; loopNo < _loop.size(); loopNo++) { loopData = _resource->subspan(_resource->getUint16LEAt(8 + loopNo * 2)); // CelCount:WORD Unknown:WORD CelOffset0:WORD CelOffset1:WORD... celCount = loopData.getUint16LEAt(0); _loop[loopNo].cel.resize(celCount); _loop[loopNo].mirrorFlag = mirrorBits & 1 ? true : false; mirrorBits >>= 1; // read cel info for (celNo = 0; celNo < celCount; celNo++) { celOffset = loopData.getUint16LEAt(4 + celNo * 2); celData = _resource->subspan(celOffset); // For VGA // Width:WORD Height:WORD DisplaceX:BYTE DisplaceY:BYTE ClearKey:BYTE Unknown:BYTE RLEData starts now directly // For EGA // Width:WORD Height:WORD DisplaceX:BYTE DisplaceY:BYTE ClearKey:BYTE EGAData starts now directly cel = &_loop[loopNo].cel[celNo]; cel->scriptWidth = cel->width = celData.getUint16LEAt(0); cel->scriptHeight = cel->height = celData.getUint16LEAt(2); cel->displaceX = (signed char)celData[4]; cel->displaceY = celData[5]; cel->clearKey = celData[6]; // HACK: Fix Ego's odd displacement in the QFG3 demo, scene 740. // For some reason, ego jumps above the rope, so we fix his rope // hanging view by displacing it down by 40 pixels. Fixes bug // #3035693. // FIXME: Remove this once we figure out why Ego jumps so high. // Likely culprits include kInitBresen, kDoBresen and kCantBeHere. // The scripts have the y offset that hero reaches (11) hardcoded, // so it might be collision detection. However, since this requires // extensive work to fix properly for very little gain, this hack // here will suffice until the actual issue is found. if (g_sci->getGameId() == GID_QFG3 && g_sci->isDemo() && resourceId == 39) cel->displaceY = 98; if (isEGA) { cel->offsetEGA = celOffset + 7; cel->offsetRLE = 0; cel->offsetLiteral = 0; } else { cel->offsetEGA = 0; if (isCompressed) { cel->offsetRLE = celOffset + 8; cel->offsetLiteral = 0; } else { cel->offsetRLE = 0; cel->offsetLiteral = celOffset + 8; } } cel->rawBitmap.clear(); if (_loop[loopNo].mirrorFlag) cel->displaceX = -cel->displaceX; } } break; case kViewVga11: { // View-format SCI1.1+ // HeaderSize:WORD LoopCount:BYTE Flags:BYTE Version:WORD Unknown:WORD PaletteOffset:WORD headerSize = _resource->getUint16SEAt(0) + 2; // headerSize is not part of the header, so it's added assert(headerSize >= 16); const uint8 loopCount = _resource->getUint8At(2); assert(loopCount); palOffset = _resource->getUint32SEAt(8); // flags is actually a bit-mask // it seems it was only used for some early sci1.1 games (or even just laura bow 2) // later interpreters dont support it at all anymore // we assume that if flags is 0h the view does not support flags and default to scaleable // if it's 1h then we assume that the view is not to be scaled // if it's 40h then we assume that the view is scaleable switch (_resource->getUint8At(3)) { case 1: _isScaleable = false; break; case 0x40: case 0x4F: // LSL6 Polish, seems to be garbage - bug #6718 case 0: break; // don't do anything, we already have _isScaleable set default: error("unsupported flags byte (%d) inside sci1.1 view", _resource->getUint8At(3)); break; } loopData = _resource->subspan(headerSize); loopSize = _resource->getUint8At(12); assert(loopSize >= 16); celSize = _resource->getUint8At(13); assert(celSize >= 32); if (palOffset) { _palette->createFromData(_resource->subspan(palOffset), &_viewPalette); _embeddedPal = true; } _loop.resize(loopCount); for (loopNo = 0; loopNo < loopCount; loopNo++) { loopData = _resource->subspan(headerSize + (loopNo * loopSize)); seekEntry = loopData[0]; if (seekEntry != 255) { _loop[loopNo].mirrorFlag = true; // use the root loop for mirroring. this handles rare loops that // mirror loops that mirror loops. (FPFP view 844, bug #10953) do { if (seekEntry >= loopCount) error("Bad loop-pointer in sci 1.1 view"); loopData = _resource->subspan(headerSize + (seekEntry * loopSize)); } while ((seekEntry = loopData[0]) != 255); } else { _loop[loopNo].mirrorFlag = false; } celCount = loopData[2]; _loop[loopNo].cel.resize(celCount); const uint32 celDataOffset = loopData.getUint32SEAt(12); // read cel info for (celNo = 0; celNo < celCount; celNo++) { celData = _resource->subspan(celDataOffset + celNo * celSize, celSize); cel = &_loop[loopNo].cel[celNo]; cel->scriptWidth = cel->width = celData.getInt16SEAt(0); cel->scriptHeight = cel->height = celData.getInt16SEAt(2); cel->displaceX = celData.getInt16SEAt(4); cel->displaceY = celData.getInt16SEAt(6); if (cel->displaceY < 0) cel->displaceY += 255; // sierra did this adjust in their sci1.1 getCelRect() - not sure about sci32 assert(cel->width && cel->height); cel->clearKey = celData[8]; cel->offsetEGA = 0; cel->offsetRLE = celData.getUint32SEAt(24); cel->offsetLiteral = celData.getUint32SEAt(28); // GK1-hires content is actually uncompressed, we need to swap both so that we process it as such if ((cel->offsetRLE) && (!cel->offsetLiteral)) SWAP(cel->offsetRLE, cel->offsetLiteral); cel->rawBitmap.clear(); if (_loop[loopNo].mirrorFlag) cel->displaceX = -cel->displaceX; } } break; } default: error("ViewType was not detected, can't continue"); } // Inject our own views // Currently only used for Dual mode (speech + text) for games, that do not have a "BOTH" icon already // Which is Laura Bow 2 + King's Quest 6 switch (g_sci->getGameId()) { case GID_LAURABOW2: // View 995, Loop 13, Cel 0 = "TEXT" // View 995, Loop 13, Cel 1 = "SPEECH" // View 995, Loop 13, Cel 2 = "BOTH" (<- our injected view) if (g_sci->isCD() && resourceId == 995) { // security checks if (_loop.size() >= 14 && _loop[13].cel.size() == 2 && _loop[13].cel[0].width == 46 && _loop[13].cel[0].height == 11) { _loop[13].cel.resize(3); // Duplicate cel 0 to cel 2 _loop[13].cel[2] = _loop[13].cel[0]; // use our data (which is uncompressed bitmap data) _loop[13].cel[2].rawBitmap->allocateFromSpan(SciSpan(ViewInject_LauraBow2_Both, sizeof(ViewInject_LauraBow2_Both))); } } break; case GID_KQ6: // View 947, Loop 8, Cel 0 = "SPEECH" (not pressed) // View 947, Loop 8, Cel 1 = "SPEECH" (pressed) // View 947, Loop 9, Cel 0 = "TEXT" (not pressed) // View 947, Loop 9, Cel 1 = "TEXT" (pressed) // View 947, Loop 12, Cel 0 = "BOTH" (not pressed) (<- our injected view) // View 947, Loop 12, Cel 1 = "BOTH" (pressed) (<- our injected view) if (g_sci->isCD() && resourceId == 947) { // security checks if (_loop.size() == 12 && _loop[8].cel.size() == 2 && _loop[8].cel[0].width == 50 && _loop[8].cel[0].height == 15) { // add another loop _loop.resize(_loop.size() + 1); // copy loop 8 to loop 12 _loop[12] = _loop[8]; // use our data (which is uncompressed bitmap data) _loop[12].cel[0].rawBitmap->allocateFromSpan(SciSpan(ViewInject_KingsQuest6_Both1, sizeof(ViewInject_KingsQuest6_Both1))); _loop[12].cel[1].rawBitmap->allocateFromSpan(SciSpan(ViewInject_KingsQuest6_Both2, sizeof(ViewInject_KingsQuest6_Both2))); } } break; default: break; } } GuiResourceId GfxView::getResourceId() const { return _resourceId; } int16 GfxView::getWidth(int16 loopNo, int16 celNo) const { return _loop.size() ? getCelInfo(loopNo, celNo)->width : 0; } int16 GfxView::getHeight(int16 loopNo, int16 celNo) const { return _loop.size() ? getCelInfo(loopNo, celNo)->height : 0; } const CelInfo *GfxView::getCelInfo(int16 loopNo, int16 celNo) const { assert(_loop.size()); loopNo = CLIP(loopNo, 0, _loop.size() - 1); celNo = CLIP(celNo, 0, _loop[loopNo].cel.size() - 1); return &_loop[loopNo].cel[celNo]; } uint16 GfxView::getCelCount(int16 loopNo) const { assert(_loop.size()); loopNo = CLIP(loopNo, 0, _loop.size() - 1); return _loop[loopNo].cel.size(); } Palette *GfxView::getPalette() { return _embeddedPal ? &_viewPalette : NULL; } bool GfxView::isScaleable() { return _isScaleable; } void GfxView::getCelRect(int16 loopNo, int16 celNo, int16 x, int16 y, int16 z, Common::Rect &outRect) const { const CelInfo *celInfo = getCelInfo(loopNo, celNo); outRect.left = x + celInfo->displaceX - (celInfo->width >> 1); outRect.right = outRect.left + celInfo->width; outRect.bottom = y + celInfo->displaceY - z + 1 + _adjustForSci0Early; outRect.top = outRect.bottom - celInfo->height; } void GfxView::getCelSpecialHoyle4Rect(int16 loopNo, int16 celNo, int16 x, int16 y, int16 z, Common::Rect &outRect) const { const CelInfo *celInfo = getCelInfo(loopNo, celNo); int16 adjustY = y + celInfo->displaceY - celInfo->height + 1; int16 adjustX = x + celInfo->displaceX - ((celInfo->width - 1) >> 1); outRect.translate(adjustX, adjustY); } void GfxView::getCelScaledRect(int16 loopNo, int16 celNo, int16 x, int16 y, int16 z, int16 scaleX, int16 scaleY, Common::Rect &outRect) const { int16 scaledDisplaceX, scaledDisplaceY; int16 scaledWidth, scaledHeight; const CelInfo *celInfo = getCelInfo(loopNo, celNo); // Scaling displaceX/Y, Width/Height scaledDisplaceX = (celInfo->displaceX * scaleX) >> 7; scaledDisplaceY = (celInfo->displaceY * scaleY) >> 7; scaledWidth = (celInfo->width * scaleX) >> 7; scaledHeight = (celInfo->height * scaleY) >> 7; scaledWidth = CLIP(scaledWidth, 0, _screen->getWidth()); scaledHeight = CLIP(scaledHeight, 0, _screen->getHeight()); outRect.left = x + scaledDisplaceX - (scaledWidth >> 1); outRect.right = outRect.left + scaledWidth; outRect.bottom = y + scaledDisplaceY - z + 1; outRect.top = outRect.bottom - scaledHeight; } void unpackCelData(const SciSpan &inBuffer, SciSpan &celBitmap, byte clearColor, int rlePos, int literalPos, ViewType viewType, uint16 width, bool isMacSci11ViewData) { const int pixelCount = celBitmap.size(); byte *outPtr = celBitmap.getUnsafeDataAt(0); byte curByte, runLength; // TODO: Calculate correct maximum dimensions const byte *rlePtr = inBuffer.getUnsafeDataAt(rlePos); // The existence of a literal position pointer signifies data with two // separate streams, most likely a SCI1.1 view const byte *literalPtr = inBuffer.getUnsafeDataAt(literalPos, inBuffer.size() - literalPos); const byte *const endOfResource = inBuffer.getUnsafeDataAt(inBuffer.size(), 0); int pixelNr = 0; memset(celBitmap.getUnsafeDataAt(0), clearColor, celBitmap.size()); // View unpacking: // // EGA: // Each byte is like XXXXYYYY (XXXX: 0 - 15, YYYY: 0 - 15) // Set the next XXXX pixels to YYYY // // Amiga: // Each byte is like XXXXXYYY (XXXXX: 0 - 31, YYY: 0 - 7) // - Case A: YYY != 0 // Set the next YYY pixels to XXXXX // - Case B: YYY == 0 // Skip the next XXXXX pixels (i.e. transparency) // // Amiga 64: // Each byte is like XXYYYYYY (XX: 0 - 3, YYYYYY: 0 - 63) // - Case A: XX != 0 // Set the next XX pixels to YYYYYY // - Case B: XX == 0 // Skip the next YYYYYY pixels (i.e. transparency) // // VGA: // Each byte is like XXYYYYYY (YYYYY: 0 - 63) // - Case A: XX == 00 (binary) // Copy next YYYYYY bytes as-is // - Case B: XX == 01 (binary) // Same as above, copy YYYYYY + 64 bytes as-is // - Case C: XX == 10 (binary) // Set the next YYYYY pixels to the next byte value // - Case D: XX == 11 (binary) // Skip the next YYYYY pixels (i.e. transparency) if (literalPos && isMacSci11ViewData) { // KQ6/Freddy Pharkas/Slater use byte lengths, all others use uint16 // The SCI devs must have realized that a max of 255 pixels wide // was not very good for 320 or 640 width games. bool hasByteLengths = (g_sci->getGameId() == GID_KQ6 || g_sci->getGameId() == GID_FREDDYPHARKAS || g_sci->getGameId() == GID_SLATER); // compression for SCI1.1+ Mac while (pixelNr < pixelCount) { uint32 pixelLine = pixelNr; if (hasByteLengths) { assert (rlePtr + 2 <= endOfResource); pixelNr += *rlePtr++; runLength = *rlePtr++; } else { assert (rlePtr + 4 <= endOfResource); pixelNr += READ_BE_UINT16(rlePtr); runLength = READ_BE_UINT16(rlePtr + 2); rlePtr += 4; } assert(literalPtr + MIN(runLength, pixelCount - pixelNr) <= endOfResource); while (runLength-- && pixelNr < pixelCount) outPtr[pixelNr++] = *literalPtr++; pixelNr = pixelLine + width; } return; } switch (viewType) { case kViewEga: while (pixelNr < pixelCount) { curByte = *rlePtr++; runLength = curByte >> 4; memset(outPtr + pixelNr, curByte & 0x0F, MIN(runLength, pixelCount - pixelNr)); pixelNr += runLength; } break; case kViewAmiga: while (pixelNr < pixelCount) { curByte = *rlePtr++; if (curByte & 0x07) { // fill with color runLength = curByte & 0x07; curByte = curByte >> 3; memset(outPtr + pixelNr, curByte, MIN(runLength, pixelCount - pixelNr)); } else { // skip the next pixels (transparency) runLength = curByte >> 3; } pixelNr += runLength; } break; case kViewAmiga64: while (pixelNr < pixelCount) { curByte = *rlePtr++; if (curByte & 0xC0) { // fill with color runLength = curByte >> 6; curByte = curByte & 0x3F; memset(outPtr + pixelNr, curByte, MIN(runLength, pixelCount - pixelNr)); } else { // skip the next pixels (transparency) runLength = curByte & 0x3F; } pixelNr += runLength; } break; case kViewVga: case kViewVga11: // If we have no RLE data, the image is just uncompressed if (rlePos == 0) { memcpy(outPtr, literalPtr, pixelCount); break; } while (pixelNr < pixelCount) { curByte = *rlePtr++; runLength = curByte & 0x3F; switch (curByte & 0xC0) { case 0x40: // copy bytes as is (In copy case, runLength can go up to 127 i.e. pixel & 0x40). Fixes bug #3135872. runLength += 64; // fall through case 0x00: // copy bytes as-is if (!literalPos) { memcpy(outPtr + pixelNr, rlePtr, MIN(runLength, pixelCount - pixelNr)); rlePtr += runLength; } else { memcpy(outPtr + pixelNr, literalPtr, MIN(runLength, pixelCount - pixelNr)); literalPtr += runLength; } break; case 0x80: // fill with color if (!literalPos) memset(outPtr + pixelNr, *rlePtr++, MIN(runLength, pixelCount - pixelNr)); else memset(outPtr + pixelNr, *literalPtr++, MIN(runLength, pixelCount - pixelNr)); break; case 0xC0: // skip the next pixels (transparency) break; } pixelNr += runLength; } break; default: error("Unsupported picture viewtype"); } } void GfxView::unpackCel(int16 loopNo, int16 celNo, SciSpan &outPtr) { const CelInfo *celInfo = getCelInfo(loopNo, celNo); if (celInfo->offsetEGA) { // decompression for EGA views unpackCelData(*_resource, outPtr, 0, celInfo->offsetEGA, 0, _resMan->getViewType(), celInfo->width, false); } else { // We fill the buffer with transparent pixels, so that we can later skip // over pixels to automatically have them transparent // Also some RLE compressed cels are possibly ending with the last // non-transparent pixel (is this even possible with the current code?) byte clearColor = _loop[loopNo].cel[celNo].clearKey; // Since Mac OS required palette index 0 to be white and 0xff to be black, the // Mac SCI devs decided that rather than change scripts and various pieces of // code, that they would just put a little snippet of code to swap these colors // in various places around the SCI codebase. We figured that it would be less // hacky to swap pixels instead and run the Mac games with a PC palette. if (g_sci->getPlatform() == Common::kPlatformMacintosh && getSciVersion() == SCI_VERSION_1_1) { // clearColor is based on PC palette, but the literal data is not. // We flip clearColor here to make it match the literal data. All // these pixels will be flipped back again below. if (clearColor == 0) clearColor = 0xff; else if (clearColor == 0xff) clearColor = 0; } bool isMacSci11ViewData = g_sci->getPlatform() == Common::kPlatformMacintosh && getSciVersion() == SCI_VERSION_1_1; unpackCelData(*_resource, outPtr, clearColor, celInfo->offsetRLE, celInfo->offsetLiteral, _resMan->getViewType(), celInfo->width, isMacSci11ViewData); // Swap 0 and 0xff pixels for Mac SCI1.1+ games (see above) if (g_sci->getPlatform() == Common::kPlatformMacintosh && getSciVersion() == SCI_VERSION_1_1) { for (uint32 i = 0; i < outPtr.size(); i++) { if (outPtr[i] == 0) outPtr[i] = 0xff; else if (outPtr[i] == 0xff) outPtr[i] = 0; } } } } const SciSpan &GfxView::getBitmap(int16 loopNo, int16 celNo) { loopNo = CLIP(loopNo, 0, _loop.size() - 1); celNo = CLIP(celNo, 0, _loop[loopNo].cel.size() - 1); CelInfo &cel = _loop[loopNo].cel[celNo]; if (cel.rawBitmap) return *cel.rawBitmap; const uint16 width = cel.width; const uint16 height = cel.height; const uint pixelCount = width * height; const Common::String sourceName = Common::String::format("%s loop %d cel %d", _resource->name().c_str(), loopNo, celNo); SciSpan outBitmap = cel.rawBitmap->allocate(pixelCount, sourceName); // unpack the actual cel bitmap data unpackCel(loopNo, celNo, outBitmap); if (_resMan->getViewType() == kViewEga) unditherBitmap(outBitmap, width, height, _loop[loopNo].cel[celNo].clearKey); // mirroring the cel if needed if (_loop[loopNo].mirrorFlag) { byte *pBitmap = outBitmap.getUnsafeDataAt(0, width * height); for (int i = 0; i < height; i++, pBitmap += width) for (int j = 0; j < width / 2; j++) SWAP(pBitmap[j], pBitmap[width - j - 1]); } return *cel.rawBitmap; } /** * Called after unpacking an EGA cel, this will try to undither (parts) of the * cel if the dithering in here matches dithering used by the current picture. */ void GfxView::unditherBitmap(SciSpan &bitmapPtr, int16 width, int16 height, byte clearKey) { int16 *ditheredPicColors = _screen->unditherGetDitheredBgColors(); // It makes no sense to go further, if there isn't any dithered color data // available for the current picture if (!ditheredPicColors) return; // We need at least a 4x2 bitmap for this algorithm to work if (width < 4 || height < 2) return; // If EGA mapping is used for this view, dont do undithering as well if (_EGAmapping) return; // Walk through the bitmap and remember all combinations of colors int16 ditheredBitmapColors[DITHERED_BG_COLORS_SIZE]; byte color1, color2; byte nextColor1, nextColor2; int16 y, x; memset(&ditheredBitmapColors, 0, sizeof(ditheredBitmapColors)); // Count all seemingly dithered pixel-combinations as soon as at least 4 // pixels are adjacent and check pixels in the following line as well to // be the reverse pixel combination int16 checkHeight = height - 1; byte *curPtr = bitmapPtr.getUnsafeDataAt(0, checkHeight * width); const byte *nextPtr = bitmapPtr.getUnsafeDataAt(width, checkHeight * width); for (y = 0; y < checkHeight; y++) { color1 = curPtr[0]; color2 = (curPtr[1] << 4) | curPtr[2]; nextColor1 = nextPtr[0] << 4; nextColor2 = (nextPtr[2] << 4) | nextPtr[1]; curPtr += 3; nextPtr += 3; for (x = 3; x < width; x++) { color1 = (color1 << 4) | (color2 >> 4); color2 = (color2 << 4) | *curPtr++; nextColor1 = (nextColor1 >> 4) | (nextColor2 << 4); nextColor2 = (nextColor2 >> 4) | *nextPtr++ << 4; if ((color1 == color2) && (color1 == nextColor1) && (color1 == nextColor2)) ditheredBitmapColors[color1]++; } } // Now compare both dither color tables to find out matching dithered color // combinations bool unditherTable[DITHERED_BG_COLORS_SIZE]; byte color, unditherCount = 0; memset(&unditherTable, false, sizeof(unditherTable)); for (color = 0; color < 255; color++) { if ((ditheredBitmapColors[color] > 5) && (ditheredPicColors[color] > 200)) { // match found, check if colorKey is contained -> if so, we ignore // of course color1 = color & 0x0F; color2 = color >> 4; if ((color1 != clearKey) && (color2 != clearKey) && (color1 != color2)) { // so set this and the reversed color-combination for undithering unditherTable[color] = true; unditherTable[(color1 << 4) | color2] = true; unditherCount++; } } } // Nothing found to undither -> exit straight away if (!unditherCount) return; // We now need to replace color-combinations curPtr = bitmapPtr.getUnsafeDataAt(0, height * width); for (y = 0; y < height; y++) { color = curPtr[0]; for (x = 1; x < width; x++) { color = (color << 4) | curPtr[1]; if (unditherTable[color]) { // Some color with black? Turn colors around, otherwise it won't // be the right color at all. byte unditheredColor = color; if ((color & 0xF0) == 0) unditheredColor = (color << 4) | (color >> 4); curPtr[0] = unditheredColor; curPtr[1] = unditheredColor; } curPtr++; } curPtr++; } } void GfxView::draw(const Common::Rect &rect, const Common::Rect &clipRect, const Common::Rect &clipRectTranslated, int16 loopNo, int16 celNo, byte priority, uint16 EGAmappingNr, bool upscaledHires, uint16 scaleSignal) { const Palette *palette = _embeddedPal ? &_viewPalette : &_palette->_sysPalette; const CelInfo *celInfo = getCelInfo(loopNo, celNo); const SciSpan &bitmap = getBitmap(loopNo, celNo); const int16 celHeight = celInfo->height; const int16 celWidth = celInfo->width; const byte clearKey = celInfo->clearKey; const byte drawMask = priority > 15 ? GFX_SCREEN_MASK_VISUAL : GFX_SCREEN_MASK_VISUAL|GFX_SCREEN_MASK_PRIORITY; if (_embeddedPal) // Merge view palette in... _palette->set(&_viewPalette, false); const int16 width = MIN(clipRect.width(), celWidth); const int16 height = MIN(clipRect.height(), celHeight); if (!width || !height) { return; } const byte *bitmapData = bitmap.getUnsafeDataAt((clipRect.top - rect.top) * celWidth + (clipRect.left - rect.left), celWidth * (height - 1) + width); if (_EGAmapping) { const SciSpan EGAmapping = _EGAmapping.subspan(EGAmappingNr * SCI_VIEW_EGAMAPPING_SIZE, SCI_VIEW_EGAMAPPING_SIZE); for (int y = 0; y < height; y++, bitmapData += celWidth) { for (int x = 0; x < width; x++) { const byte color = EGAmapping[bitmapData[x]]; const int x2 = clipRectTranslated.left + x; const int y2 = clipRectTranslated.top + y; if (color != clearKey && priority >= _screen->getPriority(x2, y2)) _screen->putPixel(x2, y2, drawMask, color, priority, 0); } } } else if (upscaledHires) { // UpscaledHires means view is hires and is supposed to // get drawn onto lowres screen. for (int y = 0; y < height; y++, bitmapData += celWidth) { for (int x = 0; x < width; x++) { const byte color = bitmapData[x]; const int x2 = clipRectTranslated.left + x; const int y2 = clipRectTranslated.top + y; _screen->putPixelOnDisplay(x2, y2, palette->mapping[color]); } } } else { for (int y = 0; y < height; y++, bitmapData += celWidth) { for (int x = 0; x < width; x++) { const byte color = bitmapData[x]; if (color != clearKey) { const int x2 = clipRectTranslated.left + x; const int y2 = clipRectTranslated.top + y; if (priority >= _screen->getPriority(x2, y2)) { byte outputColor = palette->mapping[color]; // SCI16 remapping (QFG4 demo) if (g_sci->_gfxRemap16 && g_sci->_gfxRemap16->isRemapped(outputColor)) outputColor = g_sci->_gfxRemap16->remapColor(outputColor, _screen->getVisual(x2, y2)); // SCI11+ remapping (Catdate) if ((scaleSignal & 0x200) && g_sci->_gfxRemap16) outputColor = g_sci->_gfxRemap16->remapColor(253, outputColor); _screen->putPixel(x2, y2, drawMask, outputColor, priority, 0); } } } } } } /** * We don't fully follow sierra sci here, I did the scaling algo myself and it * is definitely not pixel-perfect with the one sierra is using. It shouldn't * matter because the scaled cel rect is definitely the same as in sierra sci. */ void GfxView::drawScaled(const Common::Rect &rect, const Common::Rect &clipRect, const Common::Rect &clipRectTranslated, int16 loopNo, int16 celNo, byte priority, int16 scaleX, int16 scaleY, uint16 scaleSignal) { const Palette *palette = _embeddedPal ? &_viewPalette : &_palette->_sysPalette; const CelInfo *celInfo = getCelInfo(loopNo, celNo); const SciSpan &bitmap = getBitmap(loopNo, celNo); const int16 celHeight = celInfo->height; const int16 celWidth = celInfo->width; const byte clearKey = celInfo->clearKey; const byte drawMask = priority > 15 ? GFX_SCREEN_MASK_VISUAL : GFX_SCREEN_MASK_VISUAL|GFX_SCREEN_MASK_PRIORITY; uint16 scalingX[640]; uint16 scalingY[480]; int16 scaledWidth, scaledHeight; int pixelNo, scaledPixel, scaledPixelNo, prevScaledPixelNo; if (_embeddedPal) // Merge view palette in... _palette->set(&_viewPalette, false); scaledWidth = (celInfo->width * scaleX) >> 7; scaledHeight = (celInfo->height * scaleY) >> 7; scaledWidth = CLIP(scaledWidth, 0, _screen->getWidth()); scaledHeight = CLIP(scaledHeight, 0, _screen->getHeight()); // Do we really need to do this?! //memset(scalingX, 0, sizeof(scalingX)); //memset(scalingY, 0, sizeof(scalingY)); // Create height scaling table pixelNo = 0; scaledPixel = scaledPixelNo = prevScaledPixelNo = 0; while (pixelNo < celHeight) { scaledPixelNo = scaledPixel >> 7; assert(scaledPixelNo < ARRAYSIZE(scalingY)); for (; prevScaledPixelNo <= scaledPixelNo; prevScaledPixelNo++) scalingY[prevScaledPixelNo] = pixelNo; pixelNo++; scaledPixel += scaleY; } pixelNo--; scaledPixelNo++; for (; scaledPixelNo < scaledHeight; scaledPixelNo++) scalingY[scaledPixelNo] = pixelNo; // Create width scaling table pixelNo = 0; scaledPixel = scaledPixelNo = prevScaledPixelNo = 0; while (pixelNo < celWidth) { scaledPixelNo = scaledPixel >> 7; assert(scaledPixelNo < ARRAYSIZE(scalingX)); for (; prevScaledPixelNo <= scaledPixelNo; prevScaledPixelNo++) scalingX[prevScaledPixelNo] = pixelNo; pixelNo++; scaledPixel += scaleX; } pixelNo--; scaledPixelNo++; for (; scaledPixelNo < scaledWidth; scaledPixelNo++) scalingX[scaledPixelNo] = pixelNo; scaledWidth = MIN(clipRect.width(), scaledWidth); scaledHeight = MIN(clipRect.height(), scaledHeight); const int16 offsetY = clipRect.top - rect.top; const int16 offsetX = clipRect.left - rect.left; assert(scaledHeight + offsetY <= ARRAYSIZE(scalingY)); assert(scaledWidth + offsetX <= ARRAYSIZE(scalingX)); const byte *bitmapData = bitmap.getUnsafeDataAt(0, celWidth * celHeight); for (int y = 0; y < scaledHeight; y++) { for (int x = 0; x < scaledWidth; x++) { const byte color = bitmapData[scalingY[y + offsetY] * celWidth + scalingX[x + offsetX]]; const int x2 = clipRectTranslated.left + x; const int y2 = clipRectTranslated.top + y; if (color != clearKey && priority >= _screen->getPriority(x2, y2)) { byte outputColor = palette->mapping[color]; // SCI16 remapping (QFG4 demo) if (g_sci->_gfxRemap16 && g_sci->_gfxRemap16->isRemapped(outputColor)) outputColor = g_sci->_gfxRemap16->remapColor(outputColor, _screen->getVisual(x2, y2)); // SCI11+ remapping (Catdate) if ((scaleSignal & 0x200) && g_sci->_gfxRemap16) outputColor = g_sci->_gfxRemap16->remapColor(253, outputColor); _screen->putPixel(x2, y2, drawMask, outputColor, priority, 0); } } } } void GfxView::adjustToUpscaledCoordinates(int16 &y, int16 &x) { _screen->adjustToUpscaledCoordinates(y, x); } void GfxView::adjustBackUpscaledCoordinates(int16 &y, int16 &x) { _screen->adjustBackUpscaledCoordinates(y, x); } } // End of namespace Sci