diff options
Diffstat (limited to 'engines')
-rw-r--r-- | engines/xeen/worldofxeen/clouds_cutscenes.cpp | 258 | ||||
-rw-r--r-- | engines/xeen/worldofxeen/clouds_cutscenes.h | 4 |
2 files changed, 251 insertions, 11 deletions
diff --git a/engines/xeen/worldofxeen/clouds_cutscenes.cpp b/engines/xeen/worldofxeen/clouds_cutscenes.cpp index e257215b74..ae4ec007c8 100644 --- a/engines/xeen/worldofxeen/clouds_cutscenes.cpp +++ b/engines/xeen/worldofxeen/clouds_cutscenes.cpp @@ -345,15 +345,14 @@ bool CloudsCutscenes::showCloudsEnding() { File::setCurrentArchive(GAME_ARCHIVE); // Show the castle with swirling clouds and lightning - SpriteResource prec[42]; - prec[0].load("prec.end"); - for (int idx = 1; idx < 42; ++idx) - prec[idx].load(Common::String::format("prec00%02u.frm", idx)); - + SpriteResource prec; + prec.load("prec.end"); screen.loadBackground("blank.raw"); screen.loadPalette("mm4e.pal"); - prec[0].draw(screen, 0); - prec[0].draw(screen, 1, Common::Point(160, 0)); + + loadScreen(Common::String::format("prec00%02u.frm", 1)); + prec.draw(screen, 0); + prec.draw(screen, 1, Common::Point(160, 0)); screen.update(); screen.fadeIn(); WAIT(15); @@ -362,8 +361,12 @@ bool CloudsCutscenes::showCloudsEnding() { sound.playFX(34); for (int idx = 1; idx < 42; ++idx) { - prec[idx].draw(screen, 0); - prec[idx].draw(screen, 1, Common::Point(160, 0)); + // Load up the background of swirling clouds + loadScreen(Common::String::format("prec00%02u.frm", idx)); + + // Render castle in front of it + prec.draw(screen, 0); + prec.draw(screen, 1, Common::Point(160, 0)); screen.update(); switch (idx) { @@ -385,8 +388,7 @@ bool CloudsCutscenes::showCloudsEnding() { WAIT(3); } - for (int idx = 0; idx < 42; ++idx) - prec[idx].clear(); + prec.clear(); // Closeup of castle SpriteResource vort[21], cast[6], darkLord[4]; @@ -404,6 +406,202 @@ bool CloudsCutscenes::showCloudsEnding() { return true; } +void CloudsCutscenes::loadScreen(const Common::String &name) { + Screen &screen = *_vm->_screen; + File fIn(name); + + // Read in the resource data, and form src and dest pointers + byte *srcData = new byte[fIn.size()]; + fIn.read(srcData, fIn.size()); + fIn.close(); + const byte *srcP = srcData; + byte *destP = (byte *)screen.getPixels(); + + // Setup reference arrays + #define ARRAY_SIZE 314 + #define ARRAY_LAST1 ((ARRAY_SIZE - 1) * 2) + #define ARRAY_LAST2 ((ARRAY_SIZE - 1) * 2 + 1) + int array1[ARRAY_SIZE], array2[ARRAY_SIZE * 2]; + int array3[ARRAY_SIZE * 2], array4[ARRAY_SIZE * 2 - 1]; + byte buffer[4164]; + + for (int idx = 0; idx < ARRAY_SIZE; ++idx) { + array3[idx] = 1; + array1[idx] = idx * 2; + array2[idx] = idx * 2 + (ARRAY_SIZE * 4 - 2); + } + + for (int idx = 0, idx2 = ARRAY_SIZE; idx < (ARRAY_SIZE - 1); idx += 2, ++idx2) { + array3[idx2] = array3[idx] + array3[idx + 1]; + array2[idx2] = idx * 2; + array4[idx] = array4[idx + 1] = idx2 * 2; + } + array4[ARRAY_LAST1] = 0; + array3[ARRAY_LAST2] = -1; + array2[ARRAY_LAST2] = 4036; + + uint16 bits = 0x8000; + byte *bufferP = &buffer[0]; + WRITE_LE_UINT16(bufferP, READ_LE_UINT16(srcP)); + bufferP += 2; + + int count = srcP[2]; + srcP += 4; + int vCx = 0; + + for (int byteIdx = 0; byteIdx < count; ) { + int vMin = array2[(ARRAY_SIZE - 1) * 2]; + int vThreshold = (ARRAY_SIZE - 1) * 4; + while (vMin < vThreshold) { + vCx = 0; + bool flag = (bits & 0x8000); + bits <<= 1; + + if (!vCx) { + bits = READ_BE_UINT16(srcP); + srcP += 2; + flag = (bits & 0x8000); + bits = (bits << 1) | 1; + } + + vMin = array2[vMin / 2 + flag ? 2 : 0]; + } + + vMin -= vThreshold; + + if (!(array3[ARRAY_LAST1] & 0x8000)) { + for (int ctr = 0, ctr2 = 0; ctr < (ARRAY_SIZE * 2); ++ctr) { + if (array2[ctr] >= (ARRAY_SIZE * 4 - 1)) { + array3[ctr2] = (array3[ctr] + 1) / 2; + array2[ctr2] = array2[ctr]; + ++ctr2; + } + } + + for (int ctr = 0, ctr2 = ARRAY_SIZE; ctr < ARRAY_SIZE; ctr += 2, ++ctr2) { + int currVal = array3[ctr] + array3[ctr + 1]; + array3[ctr2] = currVal; + int ctr3 = ctr2; + do { + --ctr3; + } while (array3[ctr3] >= array3[ctr2]); + ++ctr3; + + int diff = ctr2 - ctr3; + int *pDest = &array3[ctr2]; + Common::copy(pDest - 1, pDest - 1 + diff, pDest); + array3[ctr3] = currVal; + + pDest = &array2[ctr2]; + Common::copy(pDest - 1, pDest - 1 + diff, pDest); + array2[ctr3] = ctr * 2; + } + + int *arrEndP = &array4[ARRAY_SIZE * 2 - 1]; + for (int ctr = 0, val = 0; ctr < ARRAY_SIZE * 2; ++ctr, val += 2) { + int *arrP = &array4[array2[ctr] / 2]; + if (arrP < arrEndP) + *arrP = val; + } + } + + for (int offset = array1[vMin / 2]; offset; offset = array4[offset / 2]) { + int *arrP = &array3[offset / 2]; + int threshold = ++arrP[0]; + if (threshold <= arrP[1]) + continue; + + int *currP = arrP + 2; + while (threshold > *currP) + ++currP; + --currP; + + *arrP = *currP; + *currP = threshold; + int offset4 = array2[offset / 2]; + int newIndex = currP - array3; + array4[offset4 / 2] = newIndex * 2; + if (offset4 < (ARRAY_SIZE * 4 - 2)) + array4[offset4 / 2 + 1] = newIndex * 2; + + int newIndex2 = array2[newIndex] / 2; + array2[newIndex] = offset4 / 2; + array4[newIndex2] = offset; + if ((newIndex2 * 2) <= (ARRAY_SIZE * 4 - 2)) + array4[newIndex2 + 1] = offset; + + array2[offset / 2] = newIndex2 * 2; + offset = newIndex * 2; + } + + vMin /= 2; + if (vMin < 256) { + // Single byte write to destination + *destP++ = (byte)vMin; + int buffOffset = array2[ARRAY_LAST2]; + array2[ARRAY_LAST2] = (buffOffset + 1) & 0xfff; + buffer[buffOffset] = (byte)vMin; + ++byteIdx; + continue; + } + + uint16 bitsLow = bits, bitsHigh = 0; + for (int ctr = 8; ctr >= 0; --ctr) { + bool highBit = bitsLow & 0x8000; + bitsLow <<= 1; + + if (bitsLow) { + bitsHigh = (bitsHigh << 1) | (highBit ? 1 : 0); + } else { + bitsLow = READ_BE_UINT16(srcP); + srcP += 2; + + byte loBit = 1; + do { + bitsHigh = (bitsHigh << 1) | ((bitsLow & 0x8000) ? 1 : 0); + bitsLow = (bitsLow << 1) | (loBit ? 1 : 0); + loBit = 0; + } while (--count > 0); + break; + } + } + bits = bitsLow; + + int t2Val = _DECODE_TABLE2[bitsHigh] << 6; + int tCount = _DECODE_TABLE1[bitsHigh] - 2; + + for (int ctr = 0; ctr < tCount; ++ctr) { + bool highBit = bitsLow & 0x8000; + bitsLow <<= 1; + if (!bitsLow) { + bitsLow = READ_BE_UINT16(srcP); + srcP += 2; + highBit = bitsLow & 0x8000; + bits = bitsLow = (bitsLow << 1) | 1; + } + + bitsHigh = (bitsHigh << 1) | (highBit ? 1 : 0); + } + + t2Val |= (bitsHigh & 0x3F); + int buffOffset = array2[ARRAY_SIZE * 4 - 1] - t2Val - 1; + + + for (int ctr = 0; ctr < vMin - 253; ++ctr, ++buffOffset) { + buffOffset &= 0xfff; + byte b = buffer[buffOffset]; + *destP++ = b; + + int &buffOffset2 = array2[ARRAY_SIZE * 4 - 1]; + buffer[buffOffset2++] = b; + ++byteIdx; + } + } + + delete[] srcData; + screen.markAllDirty(); +} + const char *const CloudsCutscenes::_INTRO_VOCS[14] = { "crodo1.voc", "crodo2.voc", "iamking.voc", "crodo3.voc", "ya1.voc", "crodo4a.voc", "crodo4b.voc", "crodo4c.voc", @@ -471,5 +669,43 @@ const uint CloudsCutscenes::_INTRO_FRAMES_WAIT[8][32] = { } }; +const byte CloudsCutscenes::_DECODE_TABLE1[256] = { + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8 +}; + +const byte CloudsCutscenes::_DECODE_TABLE2[256] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, + 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, + 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, + 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, + 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, + 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, + 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, + 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 38, 39, 39, + 40, 40, 41, 41, 42, 42, 43, 43, 44, 44, 45, 45, 46, 46, 47, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63 +}; + } // End of namespace WorldOfXeen } // End of namespace Xeen diff --git a/engines/xeen/worldofxeen/clouds_cutscenes.h b/engines/xeen/worldofxeen/clouds_cutscenes.h index 0f413b7666..262d36be46 100644 --- a/engines/xeen/worldofxeen/clouds_cutscenes.h +++ b/engines/xeen/worldofxeen/clouds_cutscenes.h @@ -35,6 +35,10 @@ private: static const int _INTRO_FRAMES_LOOKUP[14]; static const int _INTRO_FRAMES_VALS[8][32]; static const uint _INTRO_FRAMES_WAIT[8][32]; + static const byte _DECODE_TABLE1[256]; + static const byte _DECODE_TABLE2[256]; +private: + void loadScreen(const Common::String &name); public: CloudsCutscenes(XeenEngine *vm) : Cutscenes(vm) {} |