diff options
Diffstat (limited to 'engines/mads/screen.cpp')
-rw-r--r-- | engines/mads/screen.cpp | 269 |
1 files changed, 204 insertions, 65 deletions
diff --git a/engines/mads/screen.cpp b/engines/mads/screen.cpp index c9a0863d85..79d5256c1c 100644 --- a/engines/mads/screen.cpp +++ b/engines/mads/screen.cpp @@ -8,12 +8,12 @@ * 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. @@ -69,7 +69,6 @@ void DirtyArea::setArea(int width, int height, int maxWidth, int maxHeight) { _active = true; } - void DirtyArea::setSpriteSlot(const SpriteSlot *spriteSlot) { int width, height; Scene &scene = _vm->_game->_scene; @@ -202,7 +201,7 @@ void DirtyAreas::mergeAreas(int idx1, int idx2) { da1._textActive = true; } -void DirtyAreas::copy(MSurface *srcSurface, MSurface *destSurface, const Common::Point &posAdjust) { +void DirtyAreas::copy(BaseSurface *srcSurface, BaseSurface *destSurface, const Common::Point &posAdjust) { for (uint i = 0; i < size(); ++i) { const Common::Rect &srcBounds = (*this)[i]._bounds; @@ -215,12 +214,13 @@ void DirtyAreas::copy(MSurface *srcSurface, MSurface *destSurface, const Common: Common::Point destPos(srcBounds.left, srcBounds.top); if ((*this)[i]._active && bounds.isValidRect()) { - srcSurface->copyTo(destSurface, bounds, destPos); + destSurface->blitFrom(*srcSurface, bounds, destPos); } } } void DirtyAreas::copyToScreen() { +/* for (uint i = 0; i < size(); ++i) { const Common::Rect &bounds = (*this)[i]._bounds; @@ -229,9 +229,10 @@ void DirtyAreas::copyToScreen() { continue; if ((*this)[i]._active && (*this)[i]._bounds.isValidRect()) { - _vm->_screen.copyRectToScreen(bounds); + _vm->_screen->copyRectToScreen(bounds); } } + */ } void DirtyAreas::reset() { @@ -244,7 +245,7 @@ void DirtyAreas::reset() { ScreenObject::ScreenObject() { _category = CAT_NONE; _descId = 0; - _layer = 0; + _mode = 0; _active = false; } @@ -265,17 +266,17 @@ ScreenObjects::ScreenObjects(MADSEngine *vm) : _vm(vm) { _baseTime = 0; } -void ScreenObjects::add(const Common::Rect &bounds, Layer layer, ScrCategory category, int descId) { - //assert(size() < 100); - +ScreenObject *ScreenObjects::add(const Common::Rect &bounds, ScreenMode mode, ScrCategory category, int descId) { ScreenObject so; so._bounds = bounds; so._category = category; so._descId = descId; - so._layer = layer; + so._mode = mode; so._active = true; push_back(so); + + return &(*this)[size()]; } void ScreenObjects::check(bool scanFlag) { @@ -288,7 +289,7 @@ void ScreenObjects::check(bool scanFlag) { if ((_vm->_events->_mouseMoved || userInterface._scrollbarActive || _v8332A || _forceRescan) && scanFlag) { _category = CAT_NONE; - _selectedObject = scanBackwards(_vm->_events->currentPos(), LAYER_GUI); + _selectedObject = scanBackwards(_vm->_events->currentPos(), SCREENMODE_VGA); if (_selectedObject > 0) { ScreenObject &scrObject = (*this)[_selectedObject]; _category = (ScrCategory)(scrObject._category & 7); @@ -308,10 +309,10 @@ void ScreenObjects::check(bool scanFlag) { } //_released = _vm->_events->_mouseReleased; - if (_vm->_events->_vD2 || (_vm->_easyMouse && !_vm->_events->_mouseStatusCopy)) + if (_vm->_events->_mouseButtons || (_vm->_easyMouse && !_vm->_events->_mouseStatusCopy)) scene._userInterface._category = _category; - if (!_vm->_events->_mouseButtons || _vm->_easyMouse) { + if (_vm->_events->_mouseButtons || _vm->_easyMouse) { if (userInterface._category >= CAT_COMMAND && userInterface._category <= CAT_TALK_ENTRY) { elementHighlighted(); } @@ -365,7 +366,7 @@ void ScreenObjects::check(bool scanFlag) { int ScreenObjects::scan(const Common::Point &pt, int layer) { for (uint i = 1; i <= size(); ++i) { ScreenObject &sObj = (*this)[i]; - if (sObj._active && sObj._bounds.contains(pt) && sObj._layer == layer) + if (sObj._active && sObj._bounds.contains(pt) && sObj._mode == layer) return i; } @@ -376,7 +377,7 @@ int ScreenObjects::scan(const Common::Point &pt, int layer) { int ScreenObjects::scanBackwards(const Common::Point &pt, int layer) { for (int i = (int)size(); i >= 1; --i) { ScreenObject &sObj = (*this)[i]; - if (sObj._active && sObj._bounds.contains(pt) && sObj._layer == layer) + if (sObj._active && sObj._bounds.contains(pt) && sObj._mode == layer) return i; } @@ -526,7 +527,7 @@ void ScreenObjects::elementHighlighted() { action._pickedWord = newIndex; if (_category == CAT_INV_LIST || _category == CAT_INV_ANIM) { - if (action._interAwaiting == 1 && newIndex >= 0 && _released && + if (action._interAwaiting == AWAITING_COMMAND && newIndex >= 0 && _released && (!_vm->_events->_mouseReleased || !_vm->_easyMouse)) newIndex = -1; } @@ -540,7 +541,7 @@ void ScreenObjects::elementHighlighted() { } void ScreenObjects::setActive(ScrCategory category, int descId, bool active) { - for (uint idx = 1; idx < size(); ++idx) { + for (uint idx = 1; idx <= size(); ++idx) { ScreenObject &sObj = (*this)[idx]; if (sObj._category == category && sObj._descId == descId) sObj._active = active; @@ -554,38 +555,17 @@ void ScreenObjects::synchronize(Common::Serializer &s) { /*------------------------------------------------------------------------*/ -ScreenSurface::ScreenSurface() { +Screen::Screen(): BaseSurface() { + // Create the screen surface separately on another surface, since the screen + // surface will be subject to change as the clipping area is altered + _rawSurface.create(MADS_SCREEN_WIDTH, MADS_SCREEN_HEIGHT); + resetClipBounds(); + _shakeCountdown = -1; _random = 0x4D2; - _surfacePixels = nullptr; -} - -void ScreenSurface::init() { - // Set the size for the screen - setSize(MADS_SCREEN_WIDTH, MADS_SCREEN_HEIGHT); - - // Store a copy of the raw pixels pointer for the screen, since the surface - // itself may be later changed to only a subset of the screen - _surfacePixels = (byte *)getPixels(); - _freeFlag = false; -} - -ScreenSurface::~ScreenSurface() { - delete[] _surfacePixels; } -void ScreenSurface::copyRectToScreen(const Common::Rect &bounds) { - const byte *buf = getBasePtr(bounds.left, bounds.top); - - Common::Rect destBounds = bounds; - destBounds.translate(_clipBounds.left, _clipBounds.top); - - if (bounds.width() != 0 && bounds.height() != 0) - g_system->copyRectToScreen(buf, this->pitch, destBounds.left, destBounds.top, - destBounds.width(), destBounds.height()); -} - -void ScreenSurface::updateScreen() { +void Screen::update() { if (_shakeCountdown >= 0) { _random = _random * 5 + 1; int offset = (_random >> 8) & 3; @@ -596,26 +576,42 @@ void ScreenSurface::updateScreen() { // offset width shown at the very right. The offset changes to give // an effect of shaking the screen offset *= 4; - const byte *buf = getBasePtr(offset, 0); - g_system->copyRectToScreen(buf, this->pitch, 0, 0, - this->pitch - offset, this->h); + const byte *buf = (const byte *)getBasePtr(offset, 0); + g_system->copyRectToScreen(buf, this->pitch, 0, 0, this->pitch - offset, this->h); if (offset > 0) - g_system->copyRectToScreen(this->pixels, this->pitch, + g_system->copyRectToScreen(getPixels(), this->pitch, this->pitch - offset, 0, offset, this->h); + return; } - g_system->updateScreen(); + // Reset any clip bounds if active whilst the screen is updated + Common::Rect clipBounds = getClipBounds(); + resetClipBounds(); + + // Update the screen + Graphics::Screen::update(); + + // Revert back to whatever clipping is active + setClipBounds(clipBounds); } -void ScreenSurface::transition(ScreenTransition transitionType, bool surfaceFlag) { +void Screen::transition(ScreenTransition transitionType, bool surfaceFlag) { Palette &pal = *_vm->_palette; + Scene &scene = _vm->_game->_scene; byte palData[PALETTE_SIZE]; - switch (transitionType) { + // The original loads the new scene to the screen surface for some of the + // transition types like fade out/in, so we need to clear the dirty rects so + // it doesn't prematurely get blitted to the physical screen before fade out + Common::Rect clipBounds = getClipBounds(); + clearDirtyRects(); + + switch (transitionType) { case kTransitionFadeIn: - case kTransitionFadeOutIn: + case kTransitionFadeOutIn: { Common::fill(&pal._colorValues[0], &pal._colorValues[3], 0); Common::fill(&pal._colorFlags[0], &pal._colorFlags[3], false); + resetClipBounds(); if (transitionType == kTransitionFadeOutIn) { // Fade out @@ -627,9 +623,11 @@ void ScreenSurface::transition(ScreenTransition transitionType, bool surfaceFlag Common::fill(&palData[0], &palData[PALETTE_SIZE], 0); pal.setFullPalette(palData); - copyRectToScreen(getBounds()); + markAllDirty(); + update(); pal.fadeIn(palData, pal._mainPalette, 0, 256, 0, 1, 1, 16); break; + } case kTransitionBoxInBottomLeft: case kTransitionBoxInBottomRight: @@ -641,8 +639,9 @@ void ScreenSurface::transition(ScreenTransition transitionType, bool surfaceFlag case kTransitionPanLeftToRight: case kTransitionPanRightToLeft: - warning("TODO: pan transition"); - transition(kTransitionFadeIn, surfaceFlag); + panTransition(scene._backgroundSurface, pal._mainPalette, + transitionType - kTransitionPanLeftToRight, + Common::Point(0, 0), scene._posAdjust, THROUGH_BLACK2, true, 1); break; case kTransitionCircleIn1: @@ -653,8 +652,10 @@ void ScreenSurface::transition(ScreenTransition transitionType, bool surfaceFlag transition(kTransitionFadeIn, surfaceFlag); break; - case kCenterVertTransition: - warning("TODO: center vert transition"); + case kNullPaletteCopy: + // Original temporarily set the palette to black, copied the scene to the + // screen, and then restored the palette. We can give a similiar effect + // by doing a standard quick palette fade in transition(kTransitionFadeIn, surfaceFlag); break; @@ -662,17 +663,155 @@ void ScreenSurface::transition(ScreenTransition transitionType, bool surfaceFlag // Quick transitions break; } + + // Reset clipping + markAllDirty(); + setClipBounds(clipBounds); } -void ScreenSurface::setClipBounds(const Common::Rect &r) { - _clipBounds = r; - setPixels(_surfacePixels + pitch * r.top + r.left, r.width(), r.height()); - this->pitch = MADS_SCREEN_WIDTH; +void Screen::panTransition(MSurface &newScreen, byte *palData, int entrySide, + const Common::Point &srcPos, const Common::Point &destPos, + ThroughBlack throughBlack, bool setPalette_, int numTicks) { + EventsManager &events = *_vm->_events; + Palette &palette = *_vm->_palette; + Common::Point size; + int y1, y2; + int startX = 0; + int deltaX; + int loopStart; +// uint32 baseTicks, currentTicks; + byte paletteMap[256]; + + size.x = MIN(newScreen.w, (uint16)MADS_SCREEN_WIDTH); + size.y = newScreen.h; + if (newScreen.h >= MADS_SCREEN_HEIGHT) + size.y = MADS_SCENE_HEIGHT; + + // Set starting position and direction delta for the transition + if (entrySide == 1) + // Right to left + startX = size.x - 1; + deltaX = startX ? -1 : 1; + + if (setPalette_ & !throughBlack) + palette.setFullPalette(palData); + + // TODO: Original uses a different frequency ticks counter. Need to + // confirm frequency and see whether we need to implement it, or + // if the current frame ticks can substitute for it +// baseTicks = events.getFrameCounter(); + + y1 = 0; + y2 = size.y - 1; +// sizeY = y2 - y1 + 1; + + if (throughBlack == THROUGH_BLACK2) + swapForeground(palData, &paletteMap[0]); + + loopStart = throughBlack == THROUGH_BLACK1 ? 0 : 1; + for (int loop = loopStart; loop < 2; ++loop) { + int xAt = startX; + for (int xCtr = 0; xCtr < size.x; ++xCtr, xAt += deltaX) { + if (!loop) { + fillRect(Common::Rect(xAt + destPos.x, y1 + destPos.y, + xAt + destPos.x + 1, y2 + destPos.y), 0); + } else if (throughBlack == THROUGH_BLACK2) { + copyRectTranslate(newScreen, paletteMap, + Common::Point(xAt, destPos.y), + Common::Rect(srcPos.x + xAt, srcPos.y, + srcPos.x + xAt + 1, srcPos.y + size.y)); + } else { + newScreen.copyRectToSurface(*this, xAt, destPos.y, + Common::Rect(srcPos.x + xAt, srcPos.y, + srcPos.x + xAt + 1, srcPos.y + size.y)); + } + + // Slight delay + events.pollEvents(); + g_system->delayMillis(1); + } + + if ((setPalette_ && !loop) || throughBlack == THROUGH_BLACK2) + palette.setFullPalette(palData); + } + + if (throughBlack == THROUGH_BLACK2) { + /* + Common::Rect r(srcPos.x, srcPos.y, srcPos.x + size.x, srcPos.y + size.y); + copyRectToSurface(newScreen, destPos.x, destPos.y, r); + copyRectToScreen(r); + */ + } } -void ScreenSurface::resetClipBounds() { - setClipBounds(Common::Rect(0, 0, MADS_SCREEN_WIDTH, MADS_SCREEN_HEIGHT)); +/** + * Translates the current screen from the old palette to the new palette + */ +void Screen::swapForeground(byte newPalette[PALETTE_SIZE], byte *paletteMap) { + Palette &palette = *_vm->_palette; + byte oldPalette[PALETTE_SIZE]; + byte oldMap[PALETTE_COUNT]; + + palette.getFullPalette(oldPalette); + swapPalette(oldPalette, oldMap, true); + swapPalette(newPalette, paletteMap, false); + + // Transfer translated foreground colors. Since foregrounds are interleaved + // with background, we only copy over each alternate RGB tuplet + const byte *srcP = &newPalette[RGB_SIZE]; + byte *destP = &oldPalette[RGB_SIZE]; + while (destP < &oldPalette[PALETTE_SIZE]) { + Common::copy(srcP, srcP + RGB_SIZE, destP); + srcP += 2 * RGB_SIZE; + destP += 2 * RGB_SIZE; + } + + Common::Rect oldClip = getClipBounds(); + resetClipBounds(); + + copyRectTranslate(*this, oldMap, Common::Point(0, 0), + Common::Rect(0, 0, MADS_SCREEN_WIDTH, MADS_SCREEN_HEIGHT)); + palette.setFullPalette(oldPalette); + + setClipBounds(oldClip); +} + +/** + * Translates a given palette into a mapping table. + * Palettes consist of 128 RGB entries for the foreground and background + * respectively, with the two interleaved together. So the start + */ +void Screen::swapPalette(const byte *palData, byte swapTable[PALETTE_COUNT], + bool foreground) { + int start = foreground ? 1 : 0; + const byte *dynamicList = &palData[start * RGB_SIZE]; + int staticStart = 1 - start; + const byte *staticList = &palData[staticStart * RGB_SIZE]; + const int PALETTE_START = 1; + const int PALETTE_END = 252; + + // Set initial index values + for (int idx = 0; idx < PALETTE_COUNT; ++idx) + swapTable[idx] = idx; + + // Handle the 128 palette entries for the foreground or background + for (int idx = 0; idx < (PALETTE_COUNT / 2); ++idx) { + if (start >= PALETTE_START && start <= PALETTE_END) { + swapTable[start] = Palette::closestColor(dynamicList, staticList, + 2 * RGB_SIZE, PALETTE_COUNT / 2) * 2 + staticStart; + } + + dynamicList += 2 * RGB_SIZE; + start += 2; + } +} + +void Screen::setClipBounds(const Common::Rect &r) { + create(_rawSurface, r); } +void Screen::resetClipBounds() { + setClipBounds(Common::Rect(0, 0, MADS_SCREEN_WIDTH, MADS_SCREEN_HEIGHT)); +} } // End of namespace MADS |