diff options
Diffstat (limited to 'kyra/screen.cpp')
| -rw-r--r-- | kyra/screen.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/kyra/screen.cpp b/kyra/screen.cpp index 40a3936ae6..bd93646d36 100644 --- a/kyra/screen.cpp +++ b/kyra/screen.cpp @@ -71,6 +71,11 @@ Screen::Screen(KyraEngine *vm, OSystem *system) memset(_bitBlitRects, 0, sizeof(Rect)*BITBLIT_RECTS); _bitBlitNum = 0; memset(_saveLoadPage, 0, sizeof(_saveLoadPage)); + + _unkPtr1 = (uint8*)malloc(getRectSize(1, 144)); + memset(_unkPtr1, 0, getRectSize(1, 144)); + _unkPtr2 = (uint8*)malloc(getRectSize(1, 144)); + memset(_unkPtr2, 0, getRectSize(1, 144)); } Screen::~Screen() { @@ -94,6 +99,9 @@ Screen::~Screen() { delete [] _saveLoadPage[i]; _saveLoadPage[i] = 0; } + + free(_unkPtr1); + free(_unkPtr2); } void Screen::updateScreen() { @@ -1916,4 +1924,150 @@ void Screen::deletePageFromDisk(int page) { _saveLoadPage[page/2] = 0; } +void Screen::blockInRegion(int x, int y, int width, int height) { + debug(9, "Screen::blockInRegion(%d, %d, %d, %d)", x, y, width, height); + assert(_shapePages[0]); + byte *toPtr = _shapePages[0] + (y * 320 + x); + for (int i = 0; i < height; ++i) { + byte *backUpTo = toPtr; + for (int i2 = 0; i2 < width; ++i2) { + *toPtr++ &= 0x7F; + } + toPtr = (backUpTo + 320); + } +} + +void Screen::blockOutRegion(int x, int y, int width, int height) { + debug(9, "Screen::blockOutRegion(%d, %d, %d, %d)", x, y, width, height); + assert(_shapePages[0]); + byte *toPtr = _shapePages[0] + (y * 320 + x); + for (int i = 0; i < height; ++i) { + byte *backUpTo = toPtr; + for (int i2 = 0; i2 < width; ++i2) { + *toPtr++ |= 0x80; + } + toPtr = (backUpTo + 320); + } +} + +void Screen::rectClip(int &x, int &y, int w, int h) { + if (x < 0) { + x = 0; + } else if (x + w >= 320) { + x = 320 - w; + } + if (y < 0) { + y = 0; + } else if (y + h >= 200) { + y = 200 - h; + } +} + +void Screen::backUpRect0(int xpos, int ypos) { + debug(9, "Screen::backUpRect0(%d, %d)", xpos, ypos); + rectClip(xpos, ypos, 3<<3, 24); + copyRegionToBuffer(_curPage, xpos, ypos, 3<<3, 24, _vm->shapes()[0]); +} + +void Screen::restoreRect0(int xpos, int ypos) { + debug(9, "Screen::restoreRect0(%d, %d)", xpos, ypos); + rectClip(xpos, ypos, 3<<3, 24); + copyBlockToPage(_curPage, xpos, ypos, 3<<3, 24, _vm->shapes()[0]); +} + +void Screen::backUpRect1(int xpos, int ypos) { + debug(9, "Screen::backUpRect1(%d, %d)", xpos, ypos); + rectClip(xpos, ypos, 4<<3, 32); + copyRegionToBuffer(_curPage, xpos, ypos, 4<<3, 32, _vm->shapes()[1]); +} + +void Screen::restoreRect1(int xpos, int ypos) { + debug(9, "Screen::restoreRect1(%d, %d)", xpos, ypos); + rectClip(xpos, ypos, 4<<3, 32); + copyBlockToPage(_curPage, xpos, ypos, 4<<3, 32, _vm->shapes()[1]); +} + +int Screen::getDrawLayer(int x, int y) { + debug(9, "Screen::getDrawLayer(%d, %d)", x, y); + int xpos = x - 8; + int ypos = y - 1; + int layer = 1; + for (int curX = xpos; curX < xpos + 16; ++curX) { + int tempLayer = getShapeFlag2(curX, ypos); + if (layer < tempLayer) { + layer = tempLayer; + } + if (layer >= 7) { + return 7; + } + } + return layer; +} + +int Screen::getDrawLayer2(int x, int y, int height) { + debug(9, "Screen::getDrawLayer2(%d, %d, %d)", x, y, height); + int xpos = x - 8; + int ypos = y - 1; + int layer = 1; + + for (int useX = xpos; useX < xpos + 16; ++useX) { + for (int useY = ypos - height; useY < ypos; ++useY) { + int tempLayer = getShapeFlag2(useX, useY); + if (tempLayer > layer) { + layer = tempLayer; + } + + if (tempLayer >= 7) { + return 7; + } + } + } + return layer; +} + +void Screen::copyBackgroundBlock(int x, int page, int flag) { + debug(9, "Screen::copyBackgroundBlock(%d, %d, %d)", x, page, flag); + + if (x < 1) + return; + + int height = 128; + if (flag) + height += 8; + if (!(x & 1)) + ++x; + if (x == 19) + x = 17; + uint8 *ptr1 = _unkPtr1; + uint8 *ptr2 = _unkPtr2; + int oldVideoPage = _curPage; + _curPage = page; + + int curX = x; + hideMouse(); + copyRegionToBuffer(_curPage, 8, 8, 8, height, ptr2); + for (int i = 0; i < 19; ++i) { + int tempX = curX + 1; + copyRegionToBuffer(_curPage, tempX<<3, 8, 8, height, ptr1); + copyBlockToPage(_curPage, tempX<<3, 8, 8, height, ptr2); + int newXPos = curX + x; + if (newXPos > 37) { + newXPos = newXPos % 38; + } + tempX = newXPos + 1; + copyRegionToBuffer(_curPage, tempX<<3, 8, 8, height, ptr2); + copyBlockToPage(_curPage, tempX<<3, 8, 8, height, ptr1); + curX += x*2; + if (curX > 37) { + curX = curX % 38; + } + } + showMouse(); + _curPage = oldVideoPage; +} + +void Screen::copyBackgroundBlock2(int x) { + copyBackgroundBlock(x, 4, 1); +} + } // End of namespace Kyra |