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Diffstat (limited to 'engines/kyra/engine/scene_rpg.cpp')
| -rw-r--r-- | engines/kyra/engine/scene_rpg.cpp | 658 |
1 files changed, 658 insertions, 0 deletions
diff --git a/engines/kyra/engine/scene_rpg.cpp b/engines/kyra/engine/scene_rpg.cpp new file mode 100644 index 0000000000..72922d4b53 --- /dev/null +++ b/engines/kyra/engine/scene_rpg.cpp @@ -0,0 +1,658 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * 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. + * + */ + +#if defined(ENABLE_EOB) || defined(ENABLE_LOL) + +#include "kyra/engine/kyra_rpg.h" +#include "kyra/resource/resource.h" +#include "kyra/engine/timer.h" +#include "kyra/sound/sound.h" + +#include "common/system.h" + +namespace Kyra { + +void KyraRpgEngine::setLevelShapesDim(int index, int16 &x1, int16 &x2, int dim) { + if (_lvlShapeLeftRight[index << 1] == -1) { + x1 = 0; + x2 = 22; + + int16 y1 = 0; + int16 y2 = 120; + + int m = index * 18; + + for (int i = 0; i < 18; i++) { + uint8 d = _visibleBlocks[i]->walls[_sceneDrawVarDown]; + uint8 a = _wllWallFlags[d]; + + if (a & 8) { + int t = _dscDim2[(m + i) << 1]; + + if (t > x1) { + x1 = t; + if (!(a & 0x10)) + setDoorShapeDim(index, y1, y2, -1); + } + + t = _dscDim2[((m + i) << 1) + 1]; + + if (t < x2) { + x2 = t; + if (!(a & 0x10)) + setDoorShapeDim(index, y1, y2, -1); + } + } else { + int t = _dscDim1[m + i]; + + if (!_wllVmpMap[d] || t == -40) + continue; + + if (t == -41) { + x1 = 22; + x2 = 0; + break; + } + + if (t > 0 && x2 > t) + x2 = t; + + if (t < 0 && x1 < -t) + x1 = -t; + } + + if (x2 < x1) + break; + } + + x1 += (_sceneXoffset >> 3); + x2 += (_sceneXoffset >> 3); + + + _lvlShapeTop[index] = y1; + _lvlShapeBottom[index] = y2; + _lvlShapeLeftRight[index << 1] = x1; + _lvlShapeLeftRight[(index << 1) + 1] = x2; + } else { + x1 = _lvlShapeLeftRight[index << 1]; + x2 = _lvlShapeLeftRight[(index << 1) + 1]; + } + + drawLevelModifyScreenDim(dim, x1, 0, x2, 15); +} + +void KyraRpgEngine::setDoorShapeDim(int index, int16 &y1, int16 &y2, int dim) { + uint8 a = _dscDimMap[index]; + + if (_flags.gameID != GI_EOB1 && dim == -1 && a != 3) + a++; + + uint8 b = a; + if (_flags.gameID == GI_EOB1) { + a += _dscDoorFrameIndex1[_currentLevel - 1]; + b += _dscDoorFrameIndex2[_currentLevel - 1]; + } + + y1 = _dscDoorFrameY1[a]; + y2 = _dscDoorFrameY2[b]; + + if (dim == -1) + return; + + const ScreenDim *cDim = screen()->getScreenDim(dim); + + screen()->modifyScreenDim(dim, cDim->sx, y1, cDim->w, y2 - y1); +} + +void KyraRpgEngine::drawLevelModifyScreenDim(int dim, int16 x1, int16 y1, int16 x2, int16 y2) { + screen()->modifyScreenDim(dim, x1, y1 << 3, x2 - x1, (y2 - y1) << 3); +} + +void KyraRpgEngine::generateBlockDrawingBuffer() { + _sceneDrawVarDown = _dscBlockMap[_currentDirection]; + _sceneDrawVarRight = _dscBlockMap[_currentDirection + 4]; + _sceneDrawVarLeft = _dscBlockMap[_currentDirection + 8]; + + /******************************************* + * _visibleBlocks map * + * * + * | | | | | | * + * 00 | 01 | 02 | 03 | 04 | 05 | 06 * + * ____|_____|_____|_____|_____|_____|_____ * + * | | | | | | * + * | 07 | 08 | 09 | 10 | 11 | * + * |_____|_____|_____|_____|_____| * + * | | | | * + * | 12 | 13 | 14 | * + * |_____|_____|_____| * + * | | * + * 15 | 16 | 17 * + * | (P) | * + ********************************************/ + + memset(_blockDrawingBuffer, 0, 660 * sizeof(uint16)); + + _wllProcessFlag = ((_currentBlock >> 5) + (_currentBlock & 0x1F) + _currentDirection) & 1; + + if (_wllProcessFlag) // floor and ceiling + generateVmpTileDataFlipped(0, 15, 1, -330, 22, 15); + else + generateVmpTileData(0, 15, 1, -330, 22, 15); + + assignVisibleBlocks(_currentBlock, _currentDirection); + + uint8 t = _visibleBlocks[0]->walls[_sceneDrawVarRight]; + if (t) + generateVmpTileData(-2, 3, t, 102, 3, 5); + + t = _visibleBlocks[6]->walls[_sceneDrawVarLeft]; + if (t) + generateVmpTileDataFlipped(21, 3, t, 102, 3, 5); + + t = _visibleBlocks[1]->walls[_sceneDrawVarRight]; + uint8 t2 = _visibleBlocks[2]->walls[_sceneDrawVarDown]; + + if (hasWall(t) && !(_wllWallFlags[t2] & 8)) + generateVmpTileData(2, 3, t, 102, 3, 5); + else if (t && (_wllWallFlags[t2] & 8)) + generateVmpTileData(2, 3, t2, 102, 3, 5); + + t = _visibleBlocks[5]->walls[_sceneDrawVarLeft]; + t2 = _visibleBlocks[4]->walls[_sceneDrawVarDown]; + + if (hasWall(t) && !(_wllWallFlags[t2] & 8)) + generateVmpTileDataFlipped(17, 3, t, 102, 3, 5); + else if (t && (_wllWallFlags[t2] & 8)) + generateVmpTileDataFlipped(17, 3, t2, 102, 3, 5); + + t = _visibleBlocks[2]->walls[_sceneDrawVarRight]; + if (t) + generateVmpTileData(8, 3, t, 97, 1, 5); + + t = _visibleBlocks[4]->walls[_sceneDrawVarLeft]; + if (t) + generateVmpTileDataFlipped(13, 3, t, 97, 1, 5); + + t = _visibleBlocks[1]->walls[_sceneDrawVarDown]; + if (hasWall(t)) + generateVmpTileData(-4, 3, t, 129, 6, 5); + + t = _visibleBlocks[5]->walls[_sceneDrawVarDown]; + if (hasWall(t)) + generateVmpTileData(20, 3, t, 129, 6, 5); + + t = _visibleBlocks[2]->walls[_sceneDrawVarDown]; + if (hasWall(t)) + generateVmpTileData(2, 3, t, 129, 6, 5); + + t = _visibleBlocks[4]->walls[_sceneDrawVarDown]; + if (hasWall(t)) + generateVmpTileData(14, 3, t, 129, 6, 5); + + t = _visibleBlocks[3]->walls[_sceneDrawVarDown]; + if (t) + generateVmpTileData(8, 3, t, 129, 6, 5); + + t = _visibleBlocks[7]->walls[_sceneDrawVarRight]; + if (t) + generateVmpTileData(0, 3, t, 117, 2, 6); + + t = _visibleBlocks[11]->walls[_sceneDrawVarLeft]; + if (t) + generateVmpTileDataFlipped(20, 3, t, 117, 2, 6); + + t = _visibleBlocks[8]->walls[_sceneDrawVarRight]; + if (t) + generateVmpTileData(6, 2, t, 81, 2, 8); + + t = _visibleBlocks[10]->walls[_sceneDrawVarLeft]; + if (t) + generateVmpTileDataFlipped(14, 2, t, 81, 2, 8); + + t = _visibleBlocks[8]->walls[_sceneDrawVarDown]; + if (hasWall(t)) + generateVmpTileData(-4, 2, t, 159, 10, 8); + + t = _visibleBlocks[10]->walls[_sceneDrawVarDown]; + if (hasWall(t)) + generateVmpTileData(16, 2, t, 159, 10, 8); + + t = _visibleBlocks[9]->walls[_sceneDrawVarDown]; + if (t) + generateVmpTileData(6, 2, t, 159, 10, 8); + + t = _visibleBlocks[12]->walls[_sceneDrawVarRight]; + if (t) + generateVmpTileData(3, 1, t, 45, 3, 12); + + t = _visibleBlocks[14]->walls[_sceneDrawVarLeft]; + if (t) + generateVmpTileDataFlipped(16, 1, t, 45, 3, 12); + + t = _visibleBlocks[12]->walls[_sceneDrawVarDown]; + if (!(_wllWallFlags[t] & 8)) + generateVmpTileData(-13, 1, t, 239, 16, 12); + + t = _visibleBlocks[14]->walls[_sceneDrawVarDown]; + if (!(_wllWallFlags[t] & 8)) + generateVmpTileData(19, 1, t, 239, 16, 12); + + t = _visibleBlocks[13]->walls[_sceneDrawVarDown]; + if (t) + generateVmpTileData(3, 1, t, 239, 16, 12); + + t = _visibleBlocks[15]->walls[_sceneDrawVarRight]; + t2 = _visibleBlocks[17]->walls[_sceneDrawVarLeft]; + if (t) + generateVmpTileData(0, 0, t, 0, 3, 15); + if (t2) + generateVmpTileDataFlipped(19, 0, t2, 0, 3, 15); +} + +void KyraRpgEngine::generateVmpTileData(int16 startBlockX, uint8 startBlockY, uint8 vmpMapIndex, int16 vmpOffset, uint8 numBlocksX, uint8 numBlocksY) { + if (!_wllVmpMap[vmpMapIndex]) + return; + + uint16 *vmp = &_vmpPtr[(_wllVmpMap[vmpMapIndex] - 1) * 431 + vmpOffset + 330]; + + for (int i = 0; i < numBlocksY; i++) { + uint16 *bl = &_blockDrawingBuffer[(startBlockY + i) * 22 + startBlockX]; + for (int ii = 0; ii < numBlocksX; ii++) { + if ((startBlockX + ii >= 0) && (startBlockX + ii < 22) && *vmp) + *bl = *vmp; + bl++; + vmp++; + } + } +} + +void KyraRpgEngine::generateVmpTileDataFlipped(int16 startBlockX, uint8 startBlockY, uint8 vmpMapIndex, int16 vmpOffset, uint8 numBlocksX, uint8 numBlocksY) { + if (!_wllVmpMap[vmpMapIndex]) + return; + + uint16 *vmp = &_vmpPtr[(_wllVmpMap[vmpMapIndex] - 1) * 431 + vmpOffset + 330]; + + for (int i = 0; i < numBlocksY; i++) { + for (int ii = 0; ii < numBlocksX; ii++) { + if ((startBlockX + ii) < 0 || (startBlockX + ii) > 21) + continue; + + uint16 v = vmp[i * numBlocksX + (numBlocksX - 1 - ii)]; + if (!v) + continue; + + if (v & 0x4000) + v -= 0x4000; + else + v |= 0x4000; + + _blockDrawingBuffer[(startBlockY + i) * 22 + startBlockX + ii] = v; + } + } +} + +bool KyraRpgEngine::hasWall(int index) { + if (!index || (_wllWallFlags[index] & 8)) + return false; + return true; +} + +void KyraRpgEngine::assignVisibleBlocks(int block, int direction) { + for (int i = 0; i < 18; i++) { + uint16 t = (block + _dscBlockIndex[direction * 18 + i]) & 0x3FF; + _visibleBlockIndex[i] = t; + + _visibleBlocks[i] = &_levelBlockProperties[t]; + _lvlShapeLeftRight[i] = _lvlShapeLeftRight[18 + i] = -1; + } +} + +bool KyraRpgEngine::checkSceneUpdateNeed(int block) { + if (_sceneUpdateRequired) + return true; + + for (int i = 0; i < 15; i++) { + if (_visibleBlockIndex[i] == block) { + _sceneUpdateRequired = true; + return true; + } + } + + if (_currentBlock == block) { + _sceneUpdateRequired = true; + return true; + } + + return false; +} + +void KyraRpgEngine::drawVcnBlocks() { + uint8 *d = _sceneWindowBuffer; + uint16 *bdb = _blockDrawingBuffer; + uint16 *hiColorPal = screen()->get16bitPalette(); + + for (int y = 0; y < 15; y++) { + for (int x = 0; x < 22; x++) { + bool horizontalFlip = false; + uint16 vcnOffset = *bdb++; + uint16 vcnExtraOffsetWll = 0; + int wllVcnOffset = 0; + int wllVcnRmdOffset = 0; + + if (vcnOffset & 0x8000) { + // this renders a wall block over the transparent pixels of a floor/ceiling block + vcnExtraOffsetWll = vcnOffset - 0x8000; + vcnOffset = 0; + wllVcnRmdOffset = _wllVcnOffset; + } + + if (vcnOffset & 0x4000) { + horizontalFlip = true; + vcnOffset &= 0x3FFF; + } + + const uint8 *src = 0; + if (vcnOffset) { + src = &_vcnBlocks[vcnOffset << (4 + _vcnBpp)]; + wllVcnOffset = _wllVcnOffset; + } else { + // floor/ceiling blocks + vcnOffset = bdb[329]; + if (vcnOffset & 0x4000) { + horizontalFlip = true; + vcnOffset &= 0x3FFF; + } + + src = (_vcfBlocks ? _vcfBlocks : _vcnBlocks) + (vcnOffset << (4 + _vcnBpp)); + } + + uint8 shift = _vcnShift ? _vcnShift[vcnOffset] : _blockBrightness; + + if (horizontalFlip) { + for (int blockY = 0; blockY < 8; blockY++) { + src += ((_vcnBpp << 2) - 1); + for (int blockX = 0; blockX < 4 * _vcnBpp; blockX++) { + if (_vcnBpp == 2) { + *(uint16*)d = hiColorPal[*src--]; + d += 2; + } else { + uint8 bl = *src--; + *d++ = _vcnColTable[((bl & 0x0F) + wllVcnOffset) | shift]; + *d++ = _vcnColTable[((bl >> 4) + wllVcnOffset) | shift]; + } + } + src += ((_vcnBpp << 2) + 1); + d += 168 * _vcnBpp; + } + } else { + for (int blockY = 0; blockY < 8; blockY++) { + for (int blockX = 0; blockX < 4 * _vcnBpp; blockX++) { + if (_vcnBpp == 2) { + *(uint16*)d = hiColorPal[*src++]; + d += 2; + } else { + uint8 bl = *src++; + *d++ = _vcnColTable[((bl >> 4) + wllVcnOffset) | shift]; + *d++ = _vcnColTable[((bl & 0x0F) + wllVcnOffset) | shift]; + } + } + d += 168 * _vcnBpp; + } + } + d -= 1400 * _vcnBpp; + + if (vcnExtraOffsetWll) { + d -= 8 * _vcnBpp; + horizontalFlip = false; + + if (vcnExtraOffsetWll & 0x4000) { + vcnExtraOffsetWll &= 0x3FFF; + horizontalFlip = true; + } + + shift = _vcnShift ? _vcnShift[vcnExtraOffsetWll] : _blockBrightness; + src = &_vcnBlocks[vcnExtraOffsetWll << (4 + _vcnBpp)]; + uint8 *maskTable = _vcnTransitionMask ? &_vcnTransitionMask[vcnExtraOffsetWll << 5] : 0; + + if (horizontalFlip) { + for (int blockY = 0; blockY < 8; blockY++) { + src += ((_vcnBpp << 2) - 1); + maskTable += 3; + for (int blockX = 0; blockX < 4 * _vcnBpp; blockX++) { + if (_vcnBpp == 2) { + uint8 bl = *src--; + if (bl) + *(uint16*)d = hiColorPal[bl]; + d += 2; + } else { + uint8 bl = *src--; + uint8 mask = _vcnTransitionMask ? *maskTable-- : 0; + uint8 h = _vcnColTable[((bl & 0x0F) + wllVcnRmdOffset) | shift]; + uint8 l = _vcnColTable[((bl >> 4) + wllVcnRmdOffset) | shift]; + + if (_vcnTransitionMask) + *d = (*d & (mask & 0x0F)) | h; + else if (h) + *d = h; + d++; + + if (_vcnTransitionMask) + *d = (*d & (mask >> 4)) | l; + else if (l) + *d = l; + d++; + } + } + src += ((_vcnBpp << 2) + 1); + maskTable += 5; + d += 168 * _vcnBpp; + } + } else { + for (int blockY = 0; blockY < 8; blockY++) { + for (int blockX = 0; blockX < 4 * _vcnBpp; blockX++) { + if (_vcnBpp == 2) { + uint8 bl = *src++; + if (bl) + *(uint16*)d = hiColorPal[bl]; + d += 2; + } else { + uint8 bl = *src++; + uint8 mask = _vcnTransitionMask ? *maskTable++ : 0; + uint8 h = _vcnColTable[((bl >> 4) + wllVcnRmdOffset) | shift]; + uint8 l = _vcnColTable[((bl & 0x0F) + wllVcnRmdOffset) | shift]; + + if (_vcnTransitionMask) + *d = (*d & (mask >> 4)) | h; + else if (h) + *d = h; + d++; + + if (_vcnTransitionMask) + *d = (*d & (mask & 0x0F)) | l; + else if (l) + *d = l; + d++; + } + } + d += 168 * _vcnBpp; + } + } + d -= 1400 * _vcnBpp; + } + } + d += 1232 * _vcnBpp; + } + + screen()->copyBlockToPage(_sceneDrawPage1, _sceneXoffset, 0, 176, 120, _sceneWindowBuffer); +} + +uint16 KyraRpgEngine::calcNewBlockPosition(uint16 curBlock, uint16 direction) { + static const int16 blockPosTable[] = { -32, 1, 32, -1 }; + return (curBlock + blockPosTable[direction]) & 0x3FF; +} + +int KyraRpgEngine::clickedWallShape(uint16 block, uint16 direction) { + uint8 v = _wllShapeMap[_levelBlockProperties[block].walls[direction]]; + if (!clickedShape(v)) + return 0; + + snd_stopSpeech(true); + runLevelScript(block, 0x40); + + return 1; +} + +int KyraRpgEngine::clickedLeverOn(uint16 block, uint16 direction) { + uint8 v = _wllShapeMap[_levelBlockProperties[block].walls[direction]]; + if (!clickedShape(v)) + return 0; + + _levelBlockProperties[block].walls[direction]++; + _sceneUpdateRequired = true; + + if (_flags.gameID == GI_LOL) + snd_playSoundEffect(30, -1); + + runLevelScript(block, _clickedSpecialFlag); + + return 1; +} + +int KyraRpgEngine::clickedLeverOff(uint16 block, uint16 direction) { + uint8 v = _wllShapeMap[_levelBlockProperties[block].walls[direction]]; + if (!clickedShape(v)) + return 0; + + _levelBlockProperties[block].walls[direction]--; + _sceneUpdateRequired = true; + + if (_flags.gameID == GI_LOL) + snd_playSoundEffect(29, -1); + + runLevelScript(block, _clickedSpecialFlag); + return 1; +} + +int KyraRpgEngine::clickedWallOnlyScript(uint16 block) { + runLevelScript(block, _clickedSpecialFlag); + return 1; +} + +void KyraRpgEngine::processDoorSwitch(uint16 block, int openClose) { + if (block == _currentBlock) + return; + + if ((_flags.gameID == GI_LOL && (_levelBlockProperties[block].assignedObjects & 0x8000)) || (_flags.gameID != GI_LOL && (_levelBlockProperties[block].flags & 7))) + return; + + if (openClose == 0) { + for (int i = 0; i < 3; i++) { + if (_openDoorState[i].block != block) + continue; + openClose = -_openDoorState[i].state; + break; + } + } + + if (openClose == 0) { + openClose = (_wllWallFlags[_levelBlockProperties[block].walls[_wllWallFlags[_levelBlockProperties[block].walls[0]] & 8 ? 0 : 1]] & 1) ? 1 : -1; + if (_flags.gameID != GI_LOL) + openClose *= -1; + } + + openCloseDoor(block, openClose); +} + +void KyraRpgEngine::openCloseDoor(int block, int openClose) { + int s1 = -1; + int s2 = -1; + + int c = (_wllWallFlags[_levelBlockProperties[block].walls[0]] & 8) ? 0 : 1; + int v = _levelBlockProperties[block].walls[c]; + int flg = (_flags.gameID == GI_EOB1) ? 1 : ((openClose == 1) ? 0x10 : (openClose == -1 ? 0x20 : 0)); + + if ((_flags.gameID == GI_EOB1 && openClose == -1 && !(_wllWallFlags[v] & flg)) || (!(_flags.gameID == GI_EOB1 && openClose == -1) && (_wllWallFlags[v] & flg))) + return; + + for (int i = 0; i < 3; i++) { + if (_openDoorState[i].block == block) { + s1 = i; + break; + } else if (_openDoorState[i].block == 0 && s2 == -1) { + s2 = i; + } + } + + if (s1 != -1 || s2 != -1) { + if (s1 == -1) + s1 = s2; + + _openDoorState[s1].block = block; + _openDoorState[s1].state = openClose; + _openDoorState[s1].wall = c; + + flg = (-openClose == 1) ? 0x10 : (-openClose == -1 ? 0x20 : 0); + + if (_wllWallFlags[v] & flg) { + _levelBlockProperties[block].walls[c] += openClose; + _levelBlockProperties[block].walls[c ^ 2] += openClose; + + int snd = (openClose == -1) ? 4 : 3; + if (_flags.gameID == GI_LOL) { + snd_processEnvironmentalSoundEffect(snd + 28, _currentBlock); + if (!checkSceneUpdateNeed(block)) + updateEnvironmentalSfx(0); + } else { + updateEnvironmentalSfx(snd); + } + } + + enableTimer(_flags.gameID == GI_LOL ? 0 : 4); + + } else { + while (!(flg & _wllWallFlags[v])) + v += openClose; + + _levelBlockProperties[block].walls[c] = _levelBlockProperties[block].walls[c ^ 2] = v; + checkSceneUpdateNeed(block); + } +} + +void KyraRpgEngine::completeDoorOperations() { + for (int i = 0; i < 3; i++) { + if (!_openDoorState[i].block) + continue; + + uint16 b = _openDoorState[i].block; + + do { + _levelBlockProperties[b].walls[_openDoorState[i].wall] += _openDoorState[i].state; + _levelBlockProperties[b].walls[_openDoorState[i].wall ^ 2] += _openDoorState[i].state; + } while (!(_wllWallFlags[_levelBlockProperties[b].walls[_openDoorState[i].wall]] & 0x30)); + + _openDoorState[i].block = 0; + } +} + +} // End of namespace Kyra + +#endif // ENABLE_EOB || ENABLE_LOL |