diff options
Diffstat (limited to 'engines/kyra/sprites_lol.cpp')
-rw-r--r-- | engines/kyra/sprites_lol.cpp | 70 |
1 files changed, 37 insertions, 33 deletions
diff --git a/engines/kyra/sprites_lol.cpp b/engines/kyra/sprites_lol.cpp index a07abd4580..f4bae113c5 100644 --- a/engines/kyra/sprites_lol.cpp +++ b/engines/kyra/sprites_lol.cpp @@ -355,7 +355,7 @@ int LoLEngine::checkBlockBeforeObjectPlacement(uint16 x, uint16 y, uint16 object int yOffs = 0; int flag = 0; - int r = checkBlockForWallsAndSufficientSpace(calcBlockIndex(x, y), x, y, objectWidth, testFlag, wallFlag); + int r = testBlockPassability(calcBlockIndex(x, y), x, y, objectWidth, testFlag, wallFlag); if (r) return r; @@ -369,7 +369,7 @@ int LoLEngine::checkBlockBeforeObjectPlacement(uint16 x, uint16 y, uint16 object _objectLastDirection = 2; x2 = x + objectWidth; - r = checkBlockForWallsAndSufficientSpace(calcBlockIndex(x2, y), x, y, objectWidth, testFlag, wallFlag); + r = testBlockPassability(calcBlockIndex(x2, y), x, y, objectWidth, testFlag, wallFlag); if (r) return r; @@ -385,7 +385,7 @@ int LoLEngine::checkBlockBeforeObjectPlacement(uint16 x, uint16 y, uint16 object _objectLastDirection = 6; x2 = x - objectWidth; - r = checkBlockForWallsAndSufficientSpace(calcBlockIndex(x2, y), x, y, objectWidth, testFlag, wallFlag); + r = testBlockPassability(calcBlockIndex(x2, y), x, y, objectWidth, testFlag, wallFlag); if (r) return r; @@ -403,7 +403,7 @@ int LoLEngine::checkBlockBeforeObjectPlacement(uint16 x, uint16 y, uint16 object _objectLastDirection = 4; y2 = y + objectWidth; - r = checkBlockForWallsAndSufficientSpace(calcBlockIndex(x, y2), x, y, objectWidth, testFlag, wallFlag); + r = testBlockPassability(calcBlockIndex(x, y2), x, y, objectWidth, testFlag, wallFlag); if (r) return r; @@ -420,7 +420,7 @@ int LoLEngine::checkBlockBeforeObjectPlacement(uint16 x, uint16 y, uint16 object _objectLastDirection = 0; y2 = y - objectWidth; - r = checkBlockForWallsAndSufficientSpace(calcBlockIndex(x, y2), x, y, objectWidth, testFlag, wallFlag); + r = testBlockPassability(calcBlockIndex(x, y2), x, y, objectWidth, testFlag, wallFlag); if (r) return r; @@ -436,7 +436,7 @@ int LoLEngine::checkBlockBeforeObjectPlacement(uint16 x, uint16 y, uint16 object if (!flag) return 0; - r = checkBlockForWallsAndSufficientSpace(calcBlockIndex(x2, y2), x, y, objectWidth, testFlag, wallFlag); + r = testBlockPassability(calcBlockIndex(x2, y2), x, y, objectWidth, testFlag, wallFlag); if (r) return r; @@ -447,7 +447,7 @@ int LoLEngine::checkBlockBeforeObjectPlacement(uint16 x, uint16 y, uint16 object return 0; } -int LoLEngine::checkBlockForWallsAndSufficientSpace(int block, int x, int y, int objectWidth, int testFlag, int wallFlag) { +int LoLEngine::testBlockPassability(int block, int x, int y, int objectWidth, int testFlag, int wallFlag) { if (block == _currentBlock) testFlag &= 0xfffe; @@ -461,9 +461,9 @@ int LoLEngine::checkBlockForWallsAndSufficientSpace(int block, int x, int y, int if (!(testFlag & 2)) return 0; - uint16 b = _levelBlockProperties[block].assignedObjects; - while (b & 0x8000) { - LoLMonster *monster = &_monsters[b & 0x7fff]; + uint16 obj = _levelBlockProperties[block].assignedObjects; + while (obj & 0x8000) { + LoLMonster *monster = &_monsters[obj & 0x7fff]; if (monster->mode < 13) { int r = checkDrawObjectSpace(x, y, monster->x, monster->y); @@ -471,7 +471,7 @@ int LoLEngine::checkBlockForWallsAndSufficientSpace(int block, int x, int y, int return 2; } - b = findObject(b)->nextAssignedObject; + obj = findObject(obj)->nextAssignedObject; } return 0; @@ -1105,7 +1105,7 @@ void LoLEngine::updateMonster(LoLMonster *monster) { if ((monster->fightCurTick <= 0) || (checkDrawObjectSpace(_partyPosX, _partyPosY, monster->x, monster->y) > 256) || (monster->flags & 8)) setMonsterMode(monster, 7); else - rearrangeAttackingMonster(monster); + alignMonsterToParty(monster); break; case 6: @@ -1428,26 +1428,26 @@ int LoLEngine::walkMonsterCheckDest(int x, int y, LoLMonster *monster, int unk) uint8 m = monster->mode; monster->mode = 15; - int res = checkBlockBeforeObjectPlacement(x, y, monster->properties->maxWidth, 7, monster->properties->flags & 0x1000 ? 32 : unk); + int objType = checkBlockBeforeObjectPlacement(x, y, monster->properties->maxWidth, 7, monster->properties->flags & 0x1000 ? 32 : unk); monster->mode = m; - return res; + return objType; } void LoLEngine::getNextStepCoords(int16 srcX, int16 srcY, int &newX, int &newY, uint16 direction) { - static const int8 shiftTableX[] = { 0, 32, 32, 32, 0, -32, -32, -32 }; - static const int8 shiftTableY[] = { -32, -32, 0, 32, 32, 32, 0, -32 }; + static const int8 stepAdjustX[] = { 0, 32, 32, 32, 0, -32, -32, -32 }; + static const int8 stepAdjustY[] = { -32, -32, 0, 32, 32, 32, 0, -32 }; - newX = (srcX + shiftTableX[direction]) & 0x1fff; - newY = (srcY + shiftTableY[direction]) & 0x1fff; + newX = (srcX + stepAdjustX[direction]) & 0x1fff; + newY = (srcY + stepAdjustY[direction]) & 0x1fff; } -void LoLEngine::rearrangeAttackingMonster(LoLMonster *monster) { - int t = (monster->direction >> 1); +void LoLEngine::alignMonsterToParty(LoLMonster *monster) { + uint8 mdir = monster->direction >> 1; uint16 mx = monster->x; uint16 my = monster->y; - uint16 *c = (t & 1) ? &my : &mx; - bool centered = (*c & 0x7f) == 0; + uint16 *pos = (mdir & 1) ? &my : &mx; + bool centered = (*pos & 0x7f) == 0; bool posFlag = true; if (monster->properties->maxWidth <= 63) { @@ -1464,11 +1464,13 @@ void LoLEngine::rearrangeAttackingMonster(LoLMonster *monster) { r = true; } else { for (int i = 0; i < 3; i++) { - t = (t + 1) & 3; - id = _levelBlockProperties[calcNewBlockPosition(monster->block, t)].assignedObjects; + mdir = (mdir + 1) & 3; + id = _levelBlockProperties[calcNewBlockPosition(monster->block, mdir)].assignedObjects; id = (id & 0x8000) ? (id & 0x7fff) : 0xffff; - if (id != 0xffff) + if (id != 0xffff) { r = true; + break; + } } } } @@ -1484,15 +1486,15 @@ void LoLEngine::rearrangeAttackingMonster(LoLMonster *monster) { return; if (posFlag) { - if (*c & 0x80) - *c -= 32; + if (*pos & 0x80) + *pos -= 32; else - *c += 32; + *pos += 32; } else { - if (*c & 0x80) - *c += 32; + if (*pos & 0x80) + *pos += 32; else - *c -= 32; + *pos -= 32; } if (walkMonsterCheckDest(mx, my, monster, 4)) @@ -1502,8 +1504,10 @@ void LoLEngine::rearrangeAttackingMonster(LoLMonster *monster) { int fy = _partyPosY; calcSpriteRelPosition(mx, my, fx, fy, monster->direction >> 1); - t = (fx < 0) ? -fx : fx; - if (fy > 160 || t > 80) + if (fx < 0) + fx = -fx; + + if (fy > 160 || fx > 80) return; placeMonster(monster, mx, my); |