diff options
Diffstat (limited to 'engines/kyra/screen.cpp')
| -rw-r--r-- | engines/kyra/screen.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/engines/kyra/screen.cpp b/engines/kyra/screen.cpp index f18efa6a4c..3484a05cf8 100644 --- a/engines/kyra/screen.cpp +++ b/engines/kyra/screen.cpp @@ -26,6 +26,7 @@ #include "graphics/cursorman.h" #include "kyra/screen.h" #include "kyra/kyra.h" +#include "kyra/resource.h" namespace Kyra { @@ -135,9 +136,23 @@ void Screen::updateScreen() { uint8 *Screen::getPagePtr(int pageNum) { debugC(9, kDebugLevelScreen, "Screen::getPagePtr(%d)", pageNum); assert(pageNum < SCREEN_PAGE_NUM); + // if pageNum == 0 wholeScreenDirty return _pagePtrs[pageNum]; } +const uint8 *Screen::getCPagePtr(int pageNum) const { + debugC(9, kDebugLevelScreen, "Screen::getCPagePtr(%d)", pageNum); + assert(pageNum < SCREEN_PAGE_NUM); + return _pagePtrs[pageNum]; +} + +uint8 *Screen::getPageRect(int pageNum, int x, int y, int w, int h) { + debugC(9, kDebugLevelScreen, "Screen::getPageRect(%d, %d, %d, %d, %d)", pageNum, x, y, w, h); + assert(pageNum < SCREEN_PAGE_NUM); + // if pageNum == 0 rectDirty(x, y, w, h) + return _pagePtrs[pageNum] + y * SCREEN_W + x; +} + void Screen::clearPage(int pageNum) { debugC(9, kDebugLevelScreen, "Screen::clearPage(%d)", pageNum); assert(pageNum < SCREEN_PAGE_NUM); @@ -2161,4 +2176,44 @@ void Screen::shakeScreen(int times) { } } +void Screen::loadBitmap(const char *filename, int tempPage, int dstPage, uint8 *palData) { + debugC(9, kDebugLevelScreen, "KyraEngine::loadBitmap('%s', %d, %d, %p)", filename, tempPage, dstPage, (void *)palData); + uint32 fileSize; + uint8 *srcData = _vm->resource()->fileData(filename, &fileSize); + + if (!srcData) { + warning("coudln't load bitmap: '%s'", filename); + return; + } + + uint8 compType = srcData[2]; + uint32 imgSize = READ_LE_UINT32(srcData + 4); + uint16 palSize = READ_LE_UINT16(srcData + 8); + + if (palData && palSize) { + debugC(9, kDebugLevelMain,"Loading a palette of size %i from %s", palSize, filename); + memcpy(palData, srcData + 10, palSize); + } + + uint8 *srcPtr = srcData + 10 + palSize; + uint8 *dstData = getPagePtr(dstPage); + + switch (compType) { + case 0: + memcpy(dstData, srcPtr, imgSize); + break; + case 3: + Screen::decodeFrame3(srcPtr, dstData, imgSize); + break; + case 4: + Screen::decodeFrame4(srcPtr, dstData, imgSize); + break; + default: + error("Unhandled bitmap compression %d", compType); + break; + } + + delete [] srcData; +} + } // End of namespace Kyra |