diff options
Diffstat (limited to 'engines/agi/sprite.cpp')
| -rw-r--r-- | engines/agi/sprite.cpp | 981 |
1 files changed, 381 insertions, 600 deletions
diff --git a/engines/agi/sprite.cpp b/engines/agi/sprite.cpp index 92f88d8fcb..1124aef742 100644 --- a/engines/agi/sprite.cpp +++ b/engines/agi/sprite.cpp @@ -23,530 +23,392 @@ #include "agi/agi.h" #include "agi/sprite.h" #include "agi/graphics.h" +#include "agi/text.h" namespace Agi { -/** - * Sprite structure. - * This structure holds information on visible and priority data of - * a rectangular area of the AGI screen. Sprites are chained in two - * circular lists, one for updating and other for non-updating sprites. - */ -struct Sprite { - VtEntry *v; /**< pointer to view table entry */ - int16 xPos; /**< x coordinate of the sprite */ - int16 yPos; /**< y coordinate of the sprite */ - int16 xSize; /**< width of the sprite */ - int16 ySize; /**< height of the sprite */ - uint8 *buffer; /**< buffer to store background data */ -}; - -/* - * Sprite pool replaces dynamic allocation - */ -#undef ALLOC_DEBUG - - -#define POOL_SIZE 68000 // Gold Rush mine room needs > 50000 - // Speeder bike challenge needs > 67000 - -void *SpritesMgr::poolAlloc(int size) { - uint8 *x; - - // Adjust size to sizeof(void *) boundary to prevent data misalignment - // errors. - const int alignPadding = sizeof(void *) - 1; - size = (size + alignPadding) & ~alignPadding; - - x = _poolTop; - _poolTop += size; - - if (_poolTop >= (uint8 *)_spritePool + POOL_SIZE) { - debugC(1, kDebugLevelMain | kDebugLevelResources, "not enough memory"); - _poolTop = x; - return NULL; - } - - return x; +SpritesMgr::SpritesMgr(AgiEngine *agi, GfxMgr *gfx) { + _vm = agi; + _gfx = gfx; } -// Note: it's critical that pool_release() is called in the exact -// reverse order of pool_alloc() -void SpritesMgr::poolRelease(void *s) { - _poolTop = (uint8 *)s; +SpritesMgr::~SpritesMgr() { + _spriteRegularList.clear(); + _spriteStaticList.clear(); } -/* - * Blitter functions - */ - -// Blit one pixel considering the priorities -void SpritesMgr::blitPixel(uint8 *p, uint8 *end, uint8 col, int spr, int width, int *hidden) { - int epr = 0, pr = 0; // effective and real priorities - - // CM: priority 15 overrides control lines and is ignored when - // tracking effective priority. This tweak is needed to fix - // Sarien bug #451768, and should not affect Sierra games because - // sprites shouldn't have priority 15 (like the AGI Mouse - // demo "mouse pointer") - // - // Update: this solution breaks other games, and can't be used. - - if (p >= end) - return; - - // Check if we're on a control line - if ((pr = *p & 0xf0) < 0x30) { - uint8 *p1; - // Yes, get effective priority going down - for (p1 = p; p1 < end && (epr = *p1 & 0xf0) < 0x30; p1 += width) - ; - if (p1 >= end) - epr = 0x40; - } else { - epr = pr; - } - - if (spr >= epr) { - // Keep control line information visible, but put our - // priority over water (0x30) surface - if (_vm->getFeatures() & (GF_AGI256 | GF_AGI256_2)) - *(p + FROM_SBUF16_TO_SBUF256_OFFSET) = col; // Write to 256 color buffer - else - *p = (pr < 0x30 ? pr : spr) | col; // Write to 16 color (+control line/priority info) buffer - - *hidden = false; - - // Except if our priority is 15, which should never happen - // (fixes Sarien bug #451768) - // - // Update: breaks other games, can't be used - // - // if (spr == 0xf0) - // *p = spr | col; +static bool sortSpriteHelper(const Sprite &entry1, const Sprite &entry2) { + if (entry1.sortOrder == entry2.sortOrder) { + // If sort-order is the same, we sort according to given order + // which makes this sort stable. + return entry1.givenOrderNr < entry2.givenOrderNr; } + return entry1.sortOrder < entry2.sortOrder; } +void SpritesMgr::buildRegularSpriteList() { + ScreenObjEntry *screenObj = NULL; + uint16 givenOrderNr = 0; -int SpritesMgr::blitCel(int x, int y, int spr, ViewCel *c, bool agi256_2) { - uint8 *p0, *p, *q = NULL, *end; - int i, j, t, m, col; - int hidden = true; - - // Fixes Sarien bug #477841 (crash in PQ1 map C4 when y == -2) - if (y < 0) - y = 0; - if (x < 0) - x = 0; - if (y >= _HEIGHT) - y = _HEIGHT - 1; - if (x >= _WIDTH) - x = _WIDTH - 1; - - q = c->data; - t = c->transparency; - m = c->mirror; - spr <<= 4; - p0 = &_vm->_game.sbuf16c[x + y * _WIDTH + m * (c->width - 1)]; - - end = _vm->_game.sbuf16c + _WIDTH * _HEIGHT; - - for (i = 0; i < c->height; i++) { - p = p0; - while (*q) { - col = agi256_2 ? *q : (*q & 0xf0) >> 4; // Uses whole byte for color info with AGI256-2 - for (j = agi256_2 ? 1 : *q & 0x0f; j; j--, p += 1 - 2 * m) { // No RLE with AGI256-2 - if (col != t) { - blitPixel(p, end, col, spr, _WIDTH, &hidden); - } - } - q++; + freeList(_spriteRegularList); + for (screenObj = _vm->_game.screenObjTable; screenObj < &_vm->_game.screenObjTable[SCREENOBJECTS_MAX]; screenObj++) { + if ((screenObj->flags & (fAnimated | fUpdate | fDrawn)) == (fAnimated | fUpdate | fDrawn)) { + buildSpriteListAdd(givenOrderNr, screenObj, _spriteRegularList); + givenOrderNr++; } - p0 += _WIDTH; - q++; } - return hidden; + // Now sort this list + Common::sort(_spriteRegularList.begin(), _spriteRegularList.end(), sortSpriteHelper); +// warning("buildRegular: %d", _spriteRegularList.size()); } -void SpritesMgr::objsSaveArea(Sprite *s) { - int y; - int16 xPos = s->xPos, yPos = s->yPos; - int16 xSize = s->xSize, ySize = s->ySize; - uint8 *p0, *q; +void SpritesMgr::buildStaticSpriteList() { + ScreenObjEntry *screenObj = NULL; + uint16 givenOrderNr = 0; - if (xPos + xSize > _WIDTH) - xSize = _WIDTH - xPos; - - if (xPos < 0) { - xSize += xPos; - xPos = 0; + freeList(_spriteStaticList); + for (screenObj = _vm->_game.screenObjTable; screenObj < &_vm->_game.screenObjTable[SCREENOBJECTS_MAX]; screenObj++) { + if ((screenObj->flags & (fAnimated | fUpdate | fDrawn)) == (fAnimated | fDrawn)) { // DIFFERENCE IN HERE! + buildSpriteListAdd(givenOrderNr, screenObj, _spriteStaticList); + givenOrderNr++; + } } - if (yPos + ySize > _HEIGHT) - ySize = _HEIGHT - yPos; + // Now sort this list + Common::sort(_spriteStaticList.begin(), _spriteStaticList.end(), sortSpriteHelper); +} - if (yPos < 0) { - ySize += yPos; - yPos = 0; - } +void SpritesMgr::buildAllSpriteLists() { + buildStaticSpriteList(); + buildRegularSpriteList(); +} + +void SpritesMgr::buildSpriteListAdd(uint16 givenOrderNr, ScreenObjEntry *screenObj, SpriteList &spriteList) { + Sprite spriteEntry; - if (xSize <= 0 || ySize <= 0) + // Check, if screen object points to currently loaded view, if not don't add it + if (!(_vm->_game.dirView[screenObj->currentViewNr].flags & RES_LOADED)) return; - p0 = &_vm->_game.sbuf[xPos + yPos * _WIDTH]; - q = s->buffer; - for (y = 0; y < ySize; y++) { - memcpy(q, p0, xSize); - q += xSize; - p0 += _WIDTH; + spriteEntry.givenOrderNr = givenOrderNr; +// warning("sprite add objNr %d", screenObjPtr->objectNr); + if (screenObj->flags & fFixedPriority) { + spriteEntry.sortOrder = _gfx->priorityToY(screenObj->priority); +// warning(" - priorityToY (fixed) %d -> %d", screenObj->priority, spriteEntry.sortOrder); + } else { + spriteEntry.sortOrder = screenObj->yPos; +// warning(" - Ypos %d -> %d", screenObjPtr->yPos, spriteEntry.sortOrder); } -} -void SpritesMgr::objsRestoreArea(Sprite *s) { - int y, offset; - int16 xPos = s->xPos, yPos = s->yPos; - int16 xSize = s->xSize, ySize = s->ySize; - uint8 *q; - uint32 pos0; + spriteEntry.screenObjPtr = screenObj; + spriteEntry.xPos = screenObj->xPos; + spriteEntry.yPos = (screenObj->yPos) - (screenObj->ySize) + 1; + spriteEntry.xSize = screenObj->xSize; + spriteEntry.ySize = screenObj->ySize; +// warning("list-add: %d, %d, original yPos: %d, ySize: %d", spriteEntry.xPos, spriteEntry.yPos, screenObj->yPos, screenObj->ySize); + spriteEntry.backgroundBuffer = (uint8 *)malloc(spriteEntry.xSize * spriteEntry.ySize * 2); // for visual + priority data + assert(spriteEntry.backgroundBuffer); + spriteList.push_back(spriteEntry); +} - if (xPos + xSize > _WIDTH) - xSize = _WIDTH - xPos; +void SpritesMgr::freeList(SpriteList &spriteList) { + SpriteList::iterator iter; + for (iter = spriteList.reverse_begin(); iter != spriteList.end(); iter--) { + Sprite &sprite = *iter; - if (xPos < 0) { - xSize += xPos; - xPos = 0; + free(sprite.backgroundBuffer); } + spriteList.clear(); +} - if (yPos + ySize > _HEIGHT) - ySize = _HEIGHT - yPos; +void SpritesMgr::freeRegularSprites() { + freeList(_spriteRegularList); +} - if (yPos < 0) { - ySize += yPos; - yPos = 0; - } +void SpritesMgr::freeStaticSprites() { + freeList(_spriteStaticList); +} - if (xSize <= 0 || ySize <= 0) - return; +void SpritesMgr::freeAllSprites() { + freeList(_spriteRegularList); + freeList(_spriteStaticList); +} - pos0 = xPos + yPos * _WIDTH; - q = s->buffer; - offset = _vm->_game.lineMinPrint * CHAR_LINES; - for (y = 0; y < ySize; y++) { - memcpy(&_vm->_game.sbuf[pos0], q, xSize); - _gfx->putPixelsA(xPos, yPos + y + offset, xSize, &_vm->_game.sbuf16c[pos0]); - q += xSize; - pos0 += _WIDTH; +void SpritesMgr::eraseSprites(SpriteList &spriteList) { + SpriteList::iterator iter; +// warning("eraseSprites - count %d", spriteList.size()); + for (iter = spriteList.reverse_begin(); iter != spriteList.end(); iter--) { + Sprite &sprite = *iter; + _gfx->block_restore(sprite.xPos, sprite.yPos, sprite.xSize, sprite.ySize, sprite.backgroundBuffer); } - // WORKAROUND (see ScummVM bug #1945716) - // When set.view command is called, current code cannot detect this situation while updating - // Thus we force removal of the old sprite - if (s->v && s->v->viewReplaced) { - commitBlock(xPos, yPos, xPos + xSize, yPos + ySize); - s->v->viewReplaced = false; - } + freeList(spriteList); } - /** - * Condition to determine whether a sprite will be in the 'updating' list. + * Erase updating sprites. + * This function follows the list of all updating sprites and restores + * the visible and priority data of their background buffers back to + * the AGI screen. + * + * @see erase_nonupd_sprites() + * @see erase_both() */ -bool SpritesMgr::testUpdating(VtEntry *v, AgiEngine *agi) { - // Sanity check (see Sarien bug #779302) - if (~agi->_game.dirView[v->currentView].flags & RES_LOADED) - return false; - - return (v->flags & (fAnimated | fUpdate | fDrawn)) == (fAnimated | fUpdate | fDrawn); +void SpritesMgr::eraseRegularSprites() { + eraseSprites(_spriteRegularList); } -/** - * Condition to determine whether a sprite will be in the 'non-updating' list. - */ -bool SpritesMgr::testNotUpdating(VtEntry *v, AgiEngine *vm) { - // Sanity check (see Sarien bug #779302) - if (~vm->_game.dirView[v->currentView].flags & RES_LOADED) - return false; +void SpritesMgr::eraseStaticSprites() { + eraseSprites(_spriteStaticList); +} - return (v->flags & (fAnimated | fUpdate | fDrawn)) == (fAnimated | fDrawn); +void SpritesMgr::eraseSprites() { + eraseSprites(_spriteRegularList); + eraseSprites(_spriteStaticList); } /** - * Convert sprite priority to y value. + * Draw all sprites in the given list. */ -int SpritesMgr::prioToY(int p) { - int i; +void SpritesMgr::drawSprites(SpriteList &spriteList) { + SpriteList::iterator iter; +// warning("drawSprites"); - if (p == 0) - return -1; + for (iter = spriteList.begin(); iter != spriteList.end(); ++iter) { + Sprite &sprite = *iter; + ScreenObjEntry *screenObj = sprite.screenObjPtr; - for (i = 167; i >= 0; i--) { - if (_vm->_game.priTable[i] < p) - return i; + _gfx->block_save(sprite.xPos, sprite.yPos, sprite.xSize, sprite.ySize, sprite.backgroundBuffer); + //debugC(8, kDebugLevelSprites, "drawSprites(): s->v->entry = %d (prio %d)", s->viewPtr->entry, s->viewPtr->priority); +// warning("sprite %d (view %d), priority %d, sort %d, givenOrder %d", screenObj->objectNr, screenObj->currentView, screenObj->priority, sprite.sortOrder, sprite.givenOrderNr); + drawCel(screenObj); } - - return -1; // (p - 5) * 12 + 48; } /** - * Create and initialize a new sprite structure. - */ -Sprite *SpritesMgr::newSprite(VtEntry *v) { - Sprite *s; - s = (Sprite *)poolAlloc(sizeof(Sprite)); - if (s == NULL) - return NULL; - - s->v = v; // link sprite to associated view table entry - s->xPos = v->xPos; - s->yPos = v->yPos - v->ySize + 1; - s->xSize = v->xSize; - s->ySize = v->ySize; - s->buffer = (uint8 *)poolAlloc(s->xSize * s->ySize); - v->s = s; // link view table entry to this sprite - - return s; -} - -/** - * Insert sprite in the specified sprite list. + * Blit updating sprites. + * This function follows the list of all updating sprites and blits + * them on the AGI screen. + * + * @see blit_nonupd_sprites() + * @see blit_both() */ -void SpritesMgr::sprAddlist(SpriteList &l, VtEntry *v) { - Sprite *s = newSprite(v); - l.push_back(s); -} +void SpritesMgr::drawRegularSpriteList() { + debugC(7, kDebugLevelSprites, "drawRegularSpriteList()"); + drawSprites(_spriteRegularList); +} + +void SpritesMgr::drawStaticSpriteList() { + //debugC(7, kDebugLevelSprites, "drawRegularSpriteList()"); + drawSprites(_spriteStaticList); +} + +void SpritesMgr::drawAllSpriteLists() { + drawSprites(_spriteStaticList); + drawSprites(_spriteRegularList); +} + +void SpritesMgr::drawCel(ScreenObjEntry *screenObj) { + int16 curX = screenObj->xPos; + int16 baseX = screenObj->xPos; + int16 curY = screenObj->yPos; + AgiViewCel *celPtr = screenObj->celData; + byte *celDataPtr = celPtr->rawBitmap; + uint8 remainingCelHeight = celPtr->height; + uint8 celWidth = celPtr->width; + byte celClearKey = celPtr->clearKey; + byte viewPriority = screenObj->priority; + byte screenPriority = 0; + byte curColor = 0; + byte isViewHidden = true; + + // Adjust vertical position, given yPos is lower left, but we need upper left + curY = curY - celPtr->height + 1; + + while (remainingCelHeight) { + for (int16 loopX = 0; loopX < celWidth; loopX++) { + curColor = *celDataPtr++; + + if (curColor != celClearKey) { + screenPriority = _gfx->getPriority(curX, curY); + if (screenPriority <= 2) { + // control data found + if (_gfx->checkControlPixel(curX, curY, viewPriority)) { + _gfx->putPixel(curX, curY, GFX_SCREEN_MASK_VISUAL, curColor, 0); + isViewHidden = false; + } + } else if (screenPriority <= viewPriority) { + _gfx->putPixel(curX, curY, GFX_SCREEN_MASK_ALL, curColor, viewPriority); + isViewHidden = false; + } -/** - * Sort sprites from lower y values to build a sprite list. - */ -void SpritesMgr::buildList(SpriteList &l, bool (*test)(VtEntry *, AgiEngine *)) { - int i, j, k; - VtEntry *v; - VtEntry *entry[0x100]; - int yVal[0x100]; - int minY = 0xff, minIndex = 0; - - // fill the arrays with all sprites that satisfy the 'test' - // condition and their y values - i = 0; - for (v = _vm->_game.viewTable; v < &_vm->_game.viewTable[MAX_VIEWTABLE]; v++) { - if ((*test)(v, _vm)) { - entry[i] = v; - yVal[i] = v->flags & fFixedPriority ? prioToY(v->priority) : v->yPos; - i++; + } + curX++; } + + // go to next vertical position + remainingCelHeight--; + curX = baseX; + curY++; } - debugC(5, kDebugLevelSprites, "buildList() --> entries %d", i); + if (screenObj->objectNr == 0) { // if ego, update if ego is visible at the moment + _vm->setflag(VM_FLAG_EGO_INVISIBLE, isViewHidden); + } +} - // now look for the smallest y value in the array and put that - // sprite in the list - for (j = 0; j < i; j++) { - minY = 0xff; - for (k = 0; k < i; k++) { - if (yVal[k] < minY) { - minIndex = k; - minY = yVal[k]; - } - } +void SpritesMgr::showSprite(ScreenObjEntry *screenObj) { + int16 x = 0; + int16 y = 0; + int16 width = 0; + int16 height = 0; - yVal[minIndex] = 0xff; - sprAddlist(l, entry[minIndex]); - } -} + int16 view_height_prev = 0; + int16 view_width_prev = 0; -/** - * Build list of updating sprites. - */ -void SpritesMgr::buildUpdBlitlist() { - buildList(_sprUpd, testUpdating); -} + int16 y2 = 0; + int16 height1 = 0; + int16 height2 = 0; -/** - * Build list of non-updating sprites. - */ -void SpritesMgr::buildNonupdBlitlist() { - buildList(_sprNonupd, testNotUpdating); -} + int16 x2 = 0; + int16 width1 = 0; + int16 width2 = 0; -/** - * Clear the given sprite list. - */ -void SpritesMgr::freeList(SpriteList &l) { - SpriteList::iterator iter; - for (iter = l.reverse_begin(); iter != l.end(); ) { - Sprite* s = *iter; + if (!_vm->_game.pictureShown) + return; - poolRelease(s->buffer); - poolRelease(s); - iter = l.reverse_erase(iter); - } -} + view_height_prev = screenObj->ySize_prev; + view_width_prev = screenObj->xSize_prev; -/** - * Copy sprites from the pic buffer to the screen buffer, and check if - * sprites of the given list have moved. - */ -void SpritesMgr::commitSprites(SpriteList &l, bool immediate) { - SpriteList::iterator iter; - for (iter = l.begin(); iter != l.end(); ++iter) { - Sprite *s = *iter; - int x1, y1, x2, y2; + screenObj->ySize_prev = screenObj->ySize; + screenObj->xSize_prev = screenObj->xSize; - x1 = MIN((int)MIN(s->v->xPos, s->v->xPos2), MIN(s->v->xPos + s->v->celData->width, s->v->xPos2 + s->v->celData2->width)); - x2 = MAX((int)MAX(s->v->xPos, s->v->xPos2), MAX(s->v->xPos + s->v->celData->width, s->v->xPos2 + s->v->celData2->width)); - y1 = MIN((int)MIN(s->v->yPos, s->v->yPos2), MIN(s->v->yPos - s->v->celData->height, s->v->yPos2 - s->v->celData2->height)); - y2 = MAX((int)MAX(s->v->yPos, s->v->yPos2), MAX(s->v->yPos - s->v->celData->height, s->v->yPos2 - s->v->celData2->height)); + if (screenObj->yPos < screenObj->yPos_prev) { + y = screenObj->yPos_prev; + y2 = screenObj->yPos; - s->v->celData2 = s->v->celData; + height1 = view_height_prev; + height2 = screenObj->ySize; + } else { + y = screenObj->yPos; + y2 = screenObj->yPos_prev; - commitBlock(x1, y1, x2, y2, immediate); + height1 = screenObj->ySize; + height2 = view_height_prev; + } - if (s->v->stepTimeCount != s->v->stepTime) - continue; + if ((y2 - height2) > (y - height1)) { + height = height1; + } else { + height = y - y2 + height2; + } - if (s->v->xPos == s->v->xPos2 && s->v->yPos == s->v->yPos2) { - s->v->flags |= fDidntMove; - continue; - } + if (screenObj->xPos > screenObj->xPos_prev) { + x = screenObj->xPos_prev; + x2 = screenObj->xPos; + width1 = view_width_prev; + width2 = screenObj->xSize; + } else { + x = screenObj->xPos; + x2 = screenObj->xPos_prev; + width1 = screenObj->xSize; + width2 = view_width_prev; + } - s->v->xPos2 = s->v->xPos; - s->v->yPos2 = s->v->yPos; - s->v->flags &= ~fDidntMove; + if ((x2 + width2) < (x + width1)) { + width = width1; + } else { + width = width2 + x2 - x; } -} -/** - * Erase all sprites in the given list. - */ -void SpritesMgr::eraseSprites(SpriteList &l) { - SpriteList::iterator iter; - for (iter = l.reverse_begin(); iter != l.end(); --iter) { - Sprite *s = *iter; - objsRestoreArea(s); + if ((x + width) > 161) { + width = 161 - x; + } + + if (1 < (height - y)) { + height = y + 1; } - freeList(l); + // render this block + _gfx->render_Block(x, y, width, height); } -/** - * Blit all sprites in the given list. - */ -void SpritesMgr::blitSprites(SpriteList& l) { - int hidden; +void SpritesMgr::showSprites(SpriteList &spriteList) { SpriteList::iterator iter; + ScreenObjEntry *screenObjPtr = NULL; - for (iter = l.begin(); iter != l.end(); ++iter) { - Sprite *s = *iter; + for (iter = spriteList.begin(); iter != spriteList.end(); ++iter) { + Sprite &sprite = *iter; + screenObjPtr = sprite.screenObjPtr; - objsSaveArea(s); - debugC(8, kDebugLevelSprites, "blitSprites(): s->v->entry = %d (prio %d)", s->v->entry, s->v->priority); - hidden = blitCel(s->xPos, s->yPos, s->v->priority, s->v->celData, s->v->viewData->agi256_2); + showSprite(screenObjPtr); - if (s->v->entry == 0) { // if ego, update f1 - _vm->setflag(fEgoInvisible, hidden); + if (screenObjPtr->stepTimeCount == screenObjPtr->stepTime) { + if ((screenObjPtr->xPos == screenObjPtr->xPos_prev) && (screenObjPtr->yPos == screenObjPtr->yPos_prev)) { + screenObjPtr->flags |= fDidntMove; + } else { + screenObjPtr->xPos_prev = screenObjPtr->xPos; + screenObjPtr->yPos_prev = screenObjPtr->yPos; + screenObjPtr->flags &= ~fDidntMove; + } } } + g_system->updateScreen(); + //g_system->delayMillis(20); } -/* - * Public functions - */ - -void SpritesMgr::commitUpdSprites() { - commitSprites(_sprUpd); +void SpritesMgr::showRegularSpriteList() { + debugC(7, kDebugLevelSprites, "showRegularSpriteList()"); + showSprites(_spriteRegularList); } -void SpritesMgr::commitNonupdSprites() { - commitSprites(_sprNonupd); +void SpritesMgr::showStaticSpriteList() { + debugC(7, kDebugLevelSprites, "showStaticSpriteList()"); + showSprites(_spriteStaticList); } -// check moves in both lists -void SpritesMgr::commitBoth() { - commitUpdSprites(); - commitNonupdSprites(); +void SpritesMgr::showAllSpriteLists() { + showSprites(_spriteStaticList); + showSprites(_spriteRegularList); } /** - * Erase updating sprites. - * This function follows the list of all updating sprites and restores - * the visible and priority data of their background buffers back to - * the AGI screen. - * - * @see erase_nonupd_sprites() - * @see erase_both() + * Show object and description + * This function shows an object from the player's inventory, displaying + * a message box with the object description. + * @param n Number of the object to show */ -void SpritesMgr::eraseUpdSprites() { - eraseSprites(_sprUpd); -} +void SpritesMgr::showObject(int16 viewNr) { + ScreenObjEntry screenObj; + uint8 *backgroundBuffer = NULL; -/** - * Erase non-updating sprites. - * This function follows the list of all non-updating sprites and restores - * the visible and priority data of their background buffers back to - * the AGI screen. - * - * @see erase_upd_sprites() - * @see erase_both() - */ -void SpritesMgr::eraseNonupdSprites() { - eraseSprites(_sprNonupd); -} + _vm->agiLoadResource(RESOURCETYPE_VIEW, viewNr); + _vm->setView(&screenObj, viewNr); -/** - * Erase all sprites. - * This function follows the lists of all updating and non-updating - * sprites and restores the visible and priority data of their background - * buffers back to the AGI screen. - * - * @see erase_upd_sprites() - * @see erase_nonupd_sprites() - */ -void SpritesMgr::eraseBoth() { - eraseUpdSprites(); - eraseNonupdSprites(); -} + screenObj.ySize_prev = screenObj.celData->height; + screenObj.xSize_prev = screenObj.celData->width; + screenObj.xPos_prev = ((SCRIPT_WIDTH - 1) - screenObj.xSize) / 2; + screenObj.xPos = screenObj.xPos_prev; + screenObj.yPos_prev = SCRIPT_HEIGHT - 1; + screenObj.yPos = screenObj.yPos_prev; + screenObj.priority = 15; + screenObj.flags |= fFixedPriority; + screenObj.objectNr = 255; // ??? -/** - * Blit updating sprites. - * This function follows the list of all updating sprites and blits - * them on the AGI screen. - * - * @see blit_nonupd_sprites() - * @see blit_both() - */ -void SpritesMgr::blitUpdSprites() { - debugC(7, kDebugLevelSprites, "blitUpdSprites()"); - buildUpdBlitlist(); - blitSprites(_sprUpd); -} + backgroundBuffer = (uint8 *)malloc(screenObj.xSize * screenObj.ySize * 2); // for visual + priority data -/** - * Blit non-updating sprites. - * This function follows the list of all non-updating sprites and blits - * them on the AGI screen. - * - * @see blit_upd_sprites() - * @see blit_both() - */ -void SpritesMgr::blitNonupdSprites() { - debugC(7, kDebugLevelSprites, "blitNonupdSprites()"); - buildNonupdBlitlist(); - blitSprites(_sprNonupd); -} + _gfx->block_save(screenObj.xPos, (screenObj.yPos - screenObj.ySize + 1), screenObj.xSize, screenObj.ySize, backgroundBuffer); + drawCel(&screenObj); + showSprite(&screenObj); -/** - * Blit all sprites. - * This function follows the lists of all updating and non-updating - * sprites and blits them on the AGI screen. - * - * @see blit_upd_sprites() - * @see blit_nonupd_sprites() - */ -void SpritesMgr::blitBoth() { - blitNonupdSprites(); - blitUpdSprites(); + _vm->_text->messageBox((char *)_vm->_game.views[viewNr].description); + + _gfx->block_restore(screenObj.xPos, (screenObj.yPos - screenObj.ySize + 1), screenObj.xSize, screenObj.ySize, backgroundBuffer); + showSprite(&screenObj); + + free(backgroundBuffer); } /** @@ -562,188 +424,107 @@ void SpritesMgr::blitBoth() { * @param pri priority to use * @param mar if < 4, create a margin around the the base of the cel */ -void SpritesMgr::addToPic(int view, int loop, int cel, int x, int y, int pri, int mar) { - ViewCel *c = NULL; - int x1, y1, x2, y2, y3; - uint8 *p1, *p2; - - debugC(3, kDebugLevelSprites, "addToPic(view=%d, loop=%d, cel=%d, x=%d, y=%d, pri=%d, mar=%d)", view, loop, cel, x, y, pri, mar); - - _vm->recordImageStackCall(ADD_VIEW, view, loop, cel, x, y, pri, mar); - - // Was hardcoded to 8, changed to pri_table[y] to fix Gold - // Rush (see Sarien bug #587558) - if (pri == 0) - pri = _vm->_game.priTable[y]; - - c = &_vm->_game.views[view].loop[loop].cel[cel]; - - x1 = x; - y1 = y - c->height + 1; - x2 = x + c->width - 1; - y2 = y; - - if (x1 < 0) { - x2 -= x1; - x1 = 0; - } - if (y1 < 0) { - y2 -= y1; - y1 = 0; +void SpritesMgr::addToPic(int16 viewNr, int16 loopNr, int16 celNr, int16 xPos, int16 yPos, int16 priority, int16 border) { + debugC(3, kDebugLevelSprites, "addToPic(view=%d, loop=%d, cel=%d, x=%d, y=%d, pri=%d, border=%d)", viewNr, loopNr, celNr, xPos, yPos, priority, border); + + _vm->recordImageStackCall(ADD_VIEW, viewNr, loopNr, celNr, xPos, yPos, priority, border); + + ScreenObjEntry *screenObj = &_vm->_game.addToPicView; + screenObj->objectNr = -1; // addToPic-view + + _vm->setView(screenObj, viewNr); + _vm->setLoop(screenObj, loopNr); + _vm->setCel(screenObj, celNr); + + screenObj->xSize_prev = screenObj->xSize; + screenObj->ySize_prev = screenObj->ySize; + screenObj->xPos_prev = xPos; + screenObj->xPos = xPos; + screenObj->yPos_prev = yPos; + screenObj->yPos = yPos; + screenObj->flags = fIgnoreObjects | fIgnoreHorizon | fFixedPriority; + screenObj->priority = 15; + _vm->fixPosition(screenObj); + if (priority == 0) { + screenObj->flags = fIgnoreHorizon; } - if (x2 >= _WIDTH) - x2 = _WIDTH - 1; - if (y2 >= _HEIGHT) - y2 = _HEIGHT - 1; - - eraseBoth(); - - debugC(4, kDebugLevelSprites, "blitCel(%d, %d, %d, c)", x, y, pri); - blitCel(x1, y1, pri, c, _vm->_game.views[view].agi256_2); - - // If margin is 0, 1, 2, or 3, the base of the cel is - // surrounded with a rectangle of the corresponding priority. - // If margin >= 4, this extra margin is not shown. - // - // -1 indicates ignore and is set for V1 - if (mar < 4 && mar != -1) { - // add rectangle around object, don't clobber control - // info in priority data. The box extends to the end of - // its priority band! - y3 = (y2 / 12) * 12; - - // SQ1 needs +1 (see Sarien bug #810331) - if (_vm->getGameID() == GID_SQ1) - y3++; - - // don't let box extend below y. - if (y3 > y2) y3 = y2; - - p1 = &_vm->_game.sbuf16c[x1 + y3 * _WIDTH]; - p2 = &_vm->_game.sbuf16c[x2 + y3 * _WIDTH]; - - for (y = y3; y <= y2; y++) { - if ((*p1 >> 4) >= 4) - *p1 = (mar << 4) | (*p1 & 0x0f); - - if ((*p2 >> 4) >= 4) - *p2 = (mar << 4) | (*p2 & 0x0f); - - p1 += _WIDTH; - p2 += _WIDTH; - } - - debugC(4, kDebugLevelSprites, "pri box: %d %d %d %d (%d)", x1, y3, x2, y2, mar); - p1 = &_vm->_game.sbuf16c[x1 + y3 * _WIDTH]; - p2 = &_vm->_game.sbuf16c[x1 + y2 * _WIDTH]; - for (x = x1; x <= x2; x++) { - if ((*p1 >> 4) >= 4) - *p1 = (mar << 4) | (*p1 & 0x0f); + screenObj->priority = priority; - if ((*p2 >> 4) >= 4) - *p2 = (mar << 4) | (*p2 & 0x0f); - - p1++; - p2++; - } + eraseSprites(); + + // bugs related to this code: required by Gold Rush (see Sarien bug #587558) + if (screenObj->priority == 0) { + screenObj->priority = _gfx->priorityFromY(screenObj->yPos); } + drawCel(screenObj); - blitBoth(); - - commitBlock(x1, y1, x2, y2, true); -} - -/** - * Show object and description - * This function shows an object from the player's inventory, displaying - * a message box with the object description. - * @param n Number of the object to show - */ -void SpritesMgr::showObj(int n) { - ViewCel *c; - Sprite s; - int x1, y1, x2, y2; - - _vm->agiLoadResource(rVIEW, n); - if (!(c = &_vm->_game.views[n].loop[0].cel[0])) - return; - - x1 = (_WIDTH - c->width) / 2; - y1 = 112; - x2 = x1 + c->width - 1; - y2 = y1 + c->height - 1; - - s.xPos = x1; - s.yPos = y1; - s.xSize = c->width; - s.ySize = c->height; - s.buffer = (uint8 *)malloc(s.xSize * s.ySize); - s.v = 0; - - objsSaveArea(&s); - blitCel(x1, y1, 15, c, _vm->_game.views[n].agi256_2); - commitBlock(x1, y1, x2, y2, true); - _vm->messageBox(_vm->_game.views[n].descr); - objsRestoreArea(&s); - commitBlock(x1, y1, x2, y2, true); - - free(s.buffer); -} - -void SpritesMgr::commitBlock(int x1, int y1, int x2, int y2, bool immediate) { - int i, w, offset; - uint8 *q; - - if (!_vm->_game.pictureShown) - return; + if (border <= 3) { + // Create priority-box + addToPicDrawPriorityBox(screenObj, border); + } + buildAllSpriteLists(); + drawAllSpriteLists(); + showSprite(screenObj); +} + +// bugs previously related to this: +// Sarien bug #247) +void SpritesMgr::addToPicDrawPriorityBox(ScreenObjEntry *screenObj, int16 border) { + int16 priorityFromY = _gfx->priorityFromY(screenObj->yPos); + int16 priorityHeight = 0; + int16 curY = 0; + int16 curX = 0; + int16 height = 0; + int16 width = 0; + int16 offsetX = 0; + + // Figure out the height of the box + curY = screenObj->yPos; + do { + priorityHeight++; + if (curY <= 0) + break; + curY--; + } while (_gfx->priorityFromY(curY) == priorityFromY); + + // box height may not be larger than the actual view + if (screenObj->ySize < priorityHeight) + priorityHeight = screenObj->ySize; + + // now actually draw lower horizontal line + curY = screenObj->yPos; + curX = screenObj->xPos; + + width = screenObj->xSize; + while (width) { + _gfx->putPixel(curX, curY, GFX_SCREEN_MASK_PRIORITY, 0, border); + curX++; + width--; + } - x1 = CLIP(x1, 0, _WIDTH - 1); - x2 = CLIP(x2, 0, _WIDTH - 1); - y1 = CLIP(y1, 0, _HEIGHT - 1); - y2 = CLIP(y2, 0, _HEIGHT - 1); - - // Check if a window is active, and clip the block commited to exclude the - // window's contents. Fixes bug #3295652, and partially fixes bug #3080415. - AgiBlock &window = _vm->_game.window; - if (window.active) { - if (y1 < window.y2 && y2 > window.y2 && (x1 < window.x2 || x2 > window.x1)) { - // The top of the block covers the bottom of the window - y1 = window.y2; + if (priorityHeight > 1) { + // Actual rectangle is needed + curY = screenObj->yPos; + curX = screenObj->xPos; + offsetX = screenObj->xSize - 1; + + height = priorityHeight - 1; + while (height) { + curY--; + height--; + _gfx->putPixel(curX, curY, GFX_SCREEN_MASK_PRIORITY, 0, border); // left line + _gfx->putPixel(curX + offsetX, curY, GFX_SCREEN_MASK_PRIORITY, 0, border); // right line } - if (y1 < window.y1 && y2 > window.y1 && (x1 < window.x2 || x2 > window.x1)) { - // The bottom of the block covers the top of the window - y2 = window.y1; + // and finally the upper horizontal line + width = screenObj->xSize - 2; + curX++; + while (width > 0) { + _gfx->putPixel(curX, curY, GFX_SCREEN_MASK_PRIORITY, 0, border); + curX++; + width--; } } - - debugC(7, kDebugLevelSprites, "commitBlock(%d, %d, %d, %d)", x1, y1, x2, y2); - - w = x2 - x1 + 1; - q = &_vm->_game.sbuf16c[x1 + _WIDTH * y1]; - offset = _vm->_game.lineMinPrint * CHAR_LINES; - - for (i = y1; i <= y2; i++) { - _gfx->putPixelsA(x1, i + offset, w, q); - q += _WIDTH; - } - - _gfx->flushBlockA(x1, y1 + offset, x2, y2 + offset); - - if (immediate) - _gfx->doUpdate(); -} - -SpritesMgr::SpritesMgr(AgiEngine *agi, GfxMgr *gfx) { - _vm = agi; - _gfx = gfx; - - _spritePool = (uint8 *)malloc(POOL_SIZE); - _poolTop = _spritePool; -} - -SpritesMgr::~SpritesMgr() { - free(_spritePool); } } // End of namespace Agi |