/* 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. * * $URL$ * $Id$ * */ #include "parallaction/parallaction.h" #include "parallaction/sound.h" namespace Parallaction { #define INST_ON 1 #define INST_OFF 2 #define INST_X 3 #define INST_Y 4 #define INST_Z 5 #define INST_F 6 #define INST_LOOP 7 #define INST_ENDLOOP 8 #define INST_SHOW 9 #define INST_INC 10 #define INST_DEC 11 #define INST_SET 12 #define INST_PUT 13 #define INST_CALL 14 #define INST_WAIT 15 #define INST_START 16 #define INST_SOUND 17 #define INST_MOVE 18 #define INST_ENDSCRIPT 19 typedef OpcodeImpl OpcodeV1; #define COMMAND_OPCODE(op) OpcodeV1(this, &Parallaction_ns::cmdOp_##op) #define DECLARE_COMMAND_OPCODE(op) void Parallaction_ns::cmdOp_##op() #define INSTRUCTION_OPCODE(op) OpcodeV1(this, &Parallaction_ns::instOp_##op) #define DECLARE_INSTRUCTION_OPCODE(op) void Parallaction_ns::instOp_##op() DECLARE_INSTRUCTION_OPCODE(on) { Instruction *inst = *_instRunCtxt.inst; inst->_a->_flags |= kFlagsActive; inst->_a->_flags &= ~kFlagsRemove; } DECLARE_INSTRUCTION_OPCODE(off) { (*_instRunCtxt.inst)->_a->_flags |= kFlagsRemove; } DECLARE_INSTRUCTION_OPCODE(loop) { Instruction *inst = *_instRunCtxt.inst; _instRunCtxt.a->_program->_loopCounter = inst->_opB.getRValue(); _instRunCtxt.a->_program->_loopStart = _instRunCtxt.inst; } DECLARE_INSTRUCTION_OPCODE(endloop) { if (--_instRunCtxt.a->_program->_loopCounter > 0) { _instRunCtxt.inst = _instRunCtxt.a->_program->_loopStart; } } DECLARE_INSTRUCTION_OPCODE(inc) { Instruction *inst = *_instRunCtxt.inst; int16 _si = inst->_opB.getRValue(); if (inst->_flags & kInstMod) { // mod int16 _bx = (_si > 0 ? _si : -_si); if (_instRunCtxt.modCounter % _bx != 0) return; _si = (_si > 0 ? 1 : -1); } int16* lvalue = inst->_opA.getLValue(); if (inst->_index == INST_INC) { *lvalue += _si; } else { *lvalue -= _si; } if (inst->_opA._flags & kParaLocal) { wrapLocalVar(inst->_opA._local); } } DECLARE_INSTRUCTION_OPCODE(set) { Instruction *inst = *_instRunCtxt.inst; int16 _si = inst->_opB.getRValue(); int16 *lvalue = inst->_opA.getLValue(); *lvalue = _si; } DECLARE_INSTRUCTION_OPCODE(put) { Instruction *inst = *_instRunCtxt.inst; Graphics::Surface v18; v18.w = inst->_a->width(); v18.h = inst->_a->height(); v18.pixels = inst->_a->getFrameData(inst->_a->_frame); int16 x = inst->_opA.getRValue(); int16 y = inst->_opB.getRValue(); if (inst->_flags & kInstMaskedPut) { uint16 z = _gfx->queryMask(y); _gfx->blitCnv(&v18, x, y, z, Gfx::kBitBack); _gfx->blitCnv(&v18, x, y, z, Gfx::kBit2); } else { _gfx->flatBlitCnv(&v18, x, y, Gfx::kBitBack); _gfx->flatBlitCnv(&v18, x, y, Gfx::kBit2); } } DECLARE_INSTRUCTION_OPCODE(null) { } DECLARE_INSTRUCTION_OPCODE(invalid) { error("Can't execute invalid opcode %i", (*_instRunCtxt.inst)->_index); } DECLARE_INSTRUCTION_OPCODE(call) { callFunction((*_instRunCtxt.inst)->_immediate, 0); } DECLARE_INSTRUCTION_OPCODE(wait) { if (_engineFlags & kEngineWalking) _instRunCtxt.suspend = true; } DECLARE_INSTRUCTION_OPCODE(start) { (*_instRunCtxt.inst)->_a->_flags |= (kFlagsActing | kFlagsActive); } DECLARE_INSTRUCTION_OPCODE(sound) { _activeZone = (*_instRunCtxt.inst)->_z; } DECLARE_INSTRUCTION_OPCODE(move) { Instruction *inst = (*_instRunCtxt.inst); int16 x = inst->_opA.getRValue(); int16 y = inst->_opB.getRValue(); _char.scheduleWalk(x, y); } DECLARE_INSTRUCTION_OPCODE(endscript) { if ((_instRunCtxt.a->_flags & kFlagsLooping) == 0) { _instRunCtxt.a->_flags &= ~kFlagsActing; runCommands(_instRunCtxt.a->_commands, _instRunCtxt.a); } _instRunCtxt.a->_program->_ip = _instRunCtxt.a->_program->_instructions.begin(); _instRunCtxt.suspend = true; } void Parallaction_ns::wrapLocalVar(LocalVariable *local) { if (local->_value >= local->_max) local->_value = local->_min; if (local->_value < local->_min) local->_value = local->_max - 1; return; } DECLARE_COMMAND_OPCODE(invalid) { error("Can't execute invalid command '%i'", _cmdRunCtxt.cmd->_id); } DECLARE_COMMAND_OPCODE(set) { if (_cmdRunCtxt.cmd->u._flags & kFlagsGlobal) { _cmdRunCtxt.cmd->u._flags &= ~kFlagsGlobal; _commandFlags |= _cmdRunCtxt.cmd->u._flags; } else { _localFlags[_currentLocationIndex] |= _cmdRunCtxt.cmd->u._flags; } } DECLARE_COMMAND_OPCODE(clear) { if (_cmdRunCtxt.cmd->u._flags & kFlagsGlobal) { _cmdRunCtxt.cmd->u._flags &= ~kFlagsGlobal; _commandFlags &= ~_cmdRunCtxt.cmd->u._flags; } else { _localFlags[_currentLocationIndex] &= ~_cmdRunCtxt.cmd->u._flags; } } DECLARE_COMMAND_OPCODE(start) { _cmdRunCtxt.cmd->u._animation->_flags |= kFlagsActing; } DECLARE_COMMAND_OPCODE(speak) { _activeZone = _cmdRunCtxt.cmd->u._zone; } DECLARE_COMMAND_OPCODE(get) { _cmdRunCtxt.cmd->u._zone->_flags &= ~kFlagsFixed; runZone(_cmdRunCtxt.cmd->u._zone); } DECLARE_COMMAND_OPCODE(location) { scheduleLocationSwitch(_cmdRunCtxt.cmd->u._string); } DECLARE_COMMAND_OPCODE(open) { _cmdRunCtxt.cmd->u._zone->_flags &= ~kFlagsClosed; if (_cmdRunCtxt.cmd->u._zone->u.door->_cnv) { addJob(kJobToggleDoor, (void*)_cmdRunCtxt.cmd->u._zone, kPriority18 ); } } DECLARE_COMMAND_OPCODE(close) { _cmdRunCtxt.cmd->u._zone->_flags |= kFlagsClosed; if (_cmdRunCtxt.cmd->u._zone->u.door->_cnv) { addJob(kJobToggleDoor, (void*)_cmdRunCtxt.cmd->u._zone, kPriority18 ); } } DECLARE_COMMAND_OPCODE(on) { // WORKAROUND: the original DOS-based engine didn't check u->_zone before dereferencing // the pointer to get structure members, thus leading to crashes in systems with memory // protection. // As a side note, the overwritten address is the 5th entry in the DOS interrupt table // (print screen handler): this suggests that a system would hang when the print screen // key is pressed after playing Nippon Safes, provided that this code path is taken. if (_cmdRunCtxt.cmd->u._zone != NULL) { _cmdRunCtxt.cmd->u._zone->_flags &= ~kFlagsRemove; _cmdRunCtxt.cmd->u._zone->_flags |= kFlagsActive; if ((_cmdRunCtxt.cmd->u._zone->_type & 0xFFFF) == kZoneGet) { addJob(kJobDisplayDroppedItem, _cmdRunCtxt.cmd->u._zone, kPriority17 ); } } } DECLARE_COMMAND_OPCODE(off) { _cmdRunCtxt.cmd->u._zone->_flags |= kFlagsRemove; } DECLARE_COMMAND_OPCODE(call) { callFunction(_cmdRunCtxt.cmd->u._callable, _cmdRunCtxt.z); } DECLARE_COMMAND_OPCODE(toggle) { if (_cmdRunCtxt.cmd->u._flags & kFlagsGlobal) { _cmdRunCtxt.cmd->u._flags &= ~kFlagsGlobal; _commandFlags ^= _cmdRunCtxt.cmd->u._flags; } else { _localFlags[_currentLocationIndex] ^= _cmdRunCtxt.cmd->u._flags; } } DECLARE_COMMAND_OPCODE(drop){ dropItem( _cmdRunCtxt.cmd->u._object ); } DECLARE_COMMAND_OPCODE(quit) { _engineFlags |= kEngineQuit; } DECLARE_COMMAND_OPCODE(move) { _char.scheduleWalk(_cmdRunCtxt.cmd->u._move.x, _cmdRunCtxt.cmd->u._move.y); } DECLARE_COMMAND_OPCODE(stop) { _cmdRunCtxt.cmd->u._animation->_flags &= ~kFlagsActing; } void Parallaction_ns::drawAnimations() { Graphics::Surface v14; uint16 _si = 0; for (AnimationList::iterator it = _animations.begin(); it != _animations.end(); it++) { Animation *v18 = *it; if ((v18->_flags & kFlagsActive) && ((v18->_flags & kFlagsRemove) == 0)) { v14.w = v18->width(); v14.h = v18->height(); int16 frame = CLIP((int)v18->_frame, 0, v18->getFrameNum()-1); v14.pixels = v18->getFrameData(frame); if (v18->_flags & kFlagsNoMasked) _si = 3; else _si = _gfx->queryMask(v18->_top + v18->height()); debugC(9, kDebugExec, "jobDisplayAnimations(%s, x:%i, y:%i, z:%i, w:%i, h:%i, f:%i/%i, %p)", v18->_label._text, v18->_left, v18->_top, _si, v14.w, v14.h, frame, v18->getFrameNum(), v14.pixels); _gfx->blitCnv(&v14, v18->_left, v18->_top, _si, Gfx::kBitBack); } if (((v18->_flags & kFlagsActive) == 0) && (v18->_flags & kFlagsRemove)) { v18->_flags &= ~kFlagsRemove; v18->_oldPos.x = -1000; } if ((v18->_flags & kFlagsActive) && (v18->_flags & kFlagsRemove)) { v18->_flags &= ~kFlagsActive; v18->_flags |= kFlagsRemove; } } return; } void Parallaction_ns::eraseAnimations() { debugC(9, kDebugExec, "jobEraseAnimations"); for (AnimationList::iterator it = _animations.begin(); it != _animations.end(); it++) { Animation *a = *it; if (((a->_flags & kFlagsActive) == 0) && ((a->_flags & kFlagsRemove) == 0)) continue; Common::Rect r(a->width(), a->height()); r.moveTo(a->_oldPos); _gfx->restoreBackground(r); a->_oldPos.x = a->_left; a->_oldPos.y = a->_top; } return; } void Parallaction_ns::runScripts() { debugC(9, kDebugExec, "jobRunScripts"); if (_engineFlags & kEnginePauseJobs) { return; } static uint16 modCounter = 0; for (AnimationList::iterator it = _animations.begin(); it != _animations.end(); it++) { Animation *a = *it; if (a->_flags & kFlagsCharacter) a->_z = a->_top + a->height(); if ((a->_flags & kFlagsActing) == 0) continue; InstructionList::iterator inst = a->_program->_ip; while (((*inst)->_index != INST_SHOW) && (a->_flags & kFlagsActing)) { debugC(9, kDebugExec, "Animation: %s, instruction: %s", a->_label._text, _instructionNamesRes[(*inst)->_index - 1]); _instRunCtxt.inst = inst; _instRunCtxt.a = a; _instRunCtxt.modCounter = modCounter; _instRunCtxt.suspend = false; (*_instructionOpcodes[(*inst)->_index])(); inst = _instRunCtxt.inst; // handles endloop correctly if (_instRunCtxt.suspend) goto label1; inst++; } a->_program->_ip = ++inst; label1: if (a->_flags & kFlagsCharacter) a->_z = a->_top + a->height(); } sortAnimations(); modCounter++; return; } void Parallaction::runCommands(CommandList& list, Zone *z) { if (list.size() == 0) return; debugC(3, kDebugExec, "runCommands"); CommandList::iterator it = list.begin(); for ( ; it != list.end(); it++) { Command *cmd = *it; uint32 v8 = _localFlags[_currentLocationIndex]; if (_engineFlags & kEngineQuit) break; if (cmd->_flagsOn & kFlagsGlobal) { v8 = _commandFlags | kFlagsGlobal; } if ((cmd->_flagsOn & v8) != cmd->_flagsOn) continue; if ((cmd->_flagsOff & ~v8) != cmd->_flagsOff) continue; debugC(3, kDebugExec, "runCommands[%i]: %s (on: %x, off: %x)", cmd->_id, _commandsNamesRes[cmd->_id-1], cmd->_flagsOn, cmd->_flagsOff); _cmdRunCtxt.z = z; _cmdRunCtxt.cmd = cmd; (*_commandOpcodes[cmd->_id])(); } debugC(3, kDebugExec, "runCommands completed"); return; } // // ZONE TYPE: EXAMINE // void Parallaction::displayComment(ExamineData *data) { if (!data->_description) { return; } if (data->_filename) { _gfx->setHalfbriteMode(true); _gfx->setDialogueBalloon(data->_description, 0, 90, 130, 0, 0); Common::Rect r; data->_cnv->getRect(0, r); _gfx->setItem(data->_cnv, 140, (_screenHeight - r.height())/2); _gfx->setItemFrame(0, 0); _gfx->setItem(_char._head, 100, 152); _gfx->setItemFrame(1, 0); } else { _gfx->setDialogueBalloon(data->_description, 140, 10, 130, 0, 0); _gfx->setItem(_char._talk, 190, 80); _gfx->setItemFrame(0, 0); } _inputMode = kInputModeComment; } uint16 Parallaction::runZone(Zone *z) { debugC(3, kDebugExec, "runZone (%s)", z->_label._text); uint16 subtype = z->_type & 0xFFFF; debugC(3, kDebugExec, "type = %x, object = %x", subtype, (z->_type & 0xFFFF0000) >> 16); switch(subtype) { case kZoneExamine: displayComment(z->u.examine); break; case kZoneGet: if (z->_flags & kFlagsFixed) break; if (pickupItem(z) != 0) { return 1; } z->_flags |= kFlagsRemove; break; case kZoneDoor: if (z->_flags & kFlagsLocked) break; z->_flags ^= kFlagsClosed; if (z->u.door->_cnv == NULL) break; addJob(kJobToggleDoor, z, kPriority18 ); break; case kZoneHear: _soundMan->playSfx(z->u.hear->_name, z->u.hear->_channel, (z->_flags & kFlagsLooping) == kFlagsLooping, 60); break; case kZoneSpeak: runDialogue(z->u.speak); break; } debugC(3, kDebugExec, "runZone completed"); runCommands(z->_commands, z); return 0; } // // ZONE TYPE: DOOR // void Parallaction_ns::jobToggleDoor(void *parm, Job *j) { static byte count = 0; Zone *z = (Zone*)parm; if (z->u.door->_cnv) { Common::Rect r; z->u.door->_cnv->getRect(0, r); r.moveTo(z->_left, z->_top); uint16 _ax = (z->_flags & kFlagsClosed ? 1 : 0); _gfx->restoreDoorBackground(r, z->u.door->_cnv->getData(_ax), z->u.door->_background); _ax = (z->_flags & kFlagsClosed ? 0 : 1); _gfx->flatBlitCnv(z->u.door->_cnv, _ax, z->_left, z->_top, Gfx::kBitBack); _gfx->flatBlitCnv(z->u.door->_cnv, _ax, z->_left, z->_top, Gfx::kBit2); } count++; if (count == 2) { j->_finished = 1; count = 0; } return; } // // ZONE TYPE: GET // int16 Parallaction::pickupItem(Zone *z) { int r = addInventoryItem(z->u.get->_icon); if (r != -1) addJob(kJobRemovePickedItem, z, kPriority17 ); return (r == -1); } void Parallaction_ns::jobRemovePickedItem(void *parm, Job *j) { Zone *z = (Zone*)parm; static uint16 count = 0; if (z->u.get->_cnv) { Common::Rect r; z->u.get->_cnv->getRect(0, r); r.moveTo(z->_left, z->_top); _gfx->restoreGetBackground(r, z->u.get->_backup); } count++; if (count == 2) { count = 0; j->_finished = 1; } return; } void Parallaction_ns::jobDisplayDroppedItem(void *parm, Job *j) { // printf("jobDisplayDroppedItem..."); Zone *z = (Zone*)parm; if (z->u.get->_cnv) { if (j->_count == 0) { _gfx->backupGetBackground(z->u.get, z->_left, z->_top); } _gfx->flatBlitCnv(z->u.get->_cnv, 0, z->_left, z->_top, Gfx::kBitBack); _gfx->flatBlitCnv(z->u.get->_cnv, 0, z->_left, z->_top, Gfx::kBit2); } j->_count++; if (j->_count == 2) { j->_count = 0; j->_finished = 1; } // printf("done"); return; } Zone *Parallaction::hitZone(uint32 type, uint16 x, uint16 y) { // printf("hitZone(%i, %i, %i)", type, x, y); uint16 _di = y; uint16 _si = x; for (ZoneList::iterator it = _zones.begin(); it != _zones.end(); it++) { // printf("Zone name: %s", z->_name); Zone *z = *it; if (z->_flags & kFlagsRemove) continue; Common::Rect r; z->getRect(r); r.right++; // adjust border because Common::Rect doesn't include bottom-right edge r.bottom++; r.grow(-1); // allows some tolerance for mouse click if (!r.contains(_si, _di)) { // out of Zone, so look for special values if ((z->_left == -2) || (z->_left == -3)) { // WORKAROUND: this huge condition is needed because we made TypeData a collection of structs // instead of an union. So, merge->_obj1 and get->_icon were just aliases in the original engine, // but we need to check it separately here. The same workaround is applied in freeZones. if ((((z->_type & 0xFFFF) == kZoneMerge) && (((_si == z->u.merge->_obj1) && (_di == z->u.merge->_obj2)) || ((_si == z->u.merge->_obj2) && (_di == z->u.merge->_obj1)))) || (((z->_type & 0xFFFF) == kZoneGet) && ((_si == z->u.get->_icon) || (_di == z->u.get->_icon)))) { // special Zone if ((type == 0) && ((z->_type & 0xFFFF0000) == 0)) return z; if (z->_type == type) return z; if ((z->_type & 0xFFFF0000) == type) return z; } } if (z->_left != -1) continue; if (_si < _char._ani._left) continue; if (_si > (_char._ani._left + _char._ani.width())) continue; if (_di < _char._ani._top) continue; if (_di > (_char._ani._top + _char._ani.height())) continue; } // normal Zone if ((type == 0) && ((z->_type & 0xFFFF0000) == 0)) return z; if (z->_type == type) return z; if ((z->_type & 0xFFFF0000) == type) return z; } int16 _a, _b, _c, _d, _e, _f; for (AnimationList::iterator it = _animations.begin(); it != _animations.end(); it++) { Animation *a = *it; _a = (a->_flags & kFlagsActive) ? 1 : 0; // _a: active Animation _e = ((_si >= a->_left + a->width()) || (_si <= a->_left)) ? 0 : 1; // _e: horizontal range _f = ((_di >= a->_top + a->height()) || (_di <= a->_top)) ? 0 : 1; // _f: vertical range _b = ((type != 0) || (a->_type == kZoneYou)) ? 0 : 1; // _b: (no type specified) AND (Animation is not the character) _c = (a->_type & 0xFFFF0000) ? 0 : 1; // _c: Animation is not an object _d = ((a->_type & 0xFFFF0000) != type) ? 0 : 1; // _d: Animation is an object of the same type if ((_a != 0 && _e != 0 && _f != 0) && ((_b != 0 && _c != 0) || (a->_type == type) || (_d != 0))) { return a; } } return NULL; } void Parallaction_ns::initOpcodes() { static const OpcodeV1 op1[] = { INSTRUCTION_OPCODE(invalid), INSTRUCTION_OPCODE(on), INSTRUCTION_OPCODE(off), INSTRUCTION_OPCODE(set), // x INSTRUCTION_OPCODE(set), // y INSTRUCTION_OPCODE(set), // z INSTRUCTION_OPCODE(set), // f INSTRUCTION_OPCODE(loop), INSTRUCTION_OPCODE(endloop), INSTRUCTION_OPCODE(null), INSTRUCTION_OPCODE(inc), INSTRUCTION_OPCODE(inc), // dec INSTRUCTION_OPCODE(set), INSTRUCTION_OPCODE(put), INSTRUCTION_OPCODE(call), INSTRUCTION_OPCODE(wait), INSTRUCTION_OPCODE(start), INSTRUCTION_OPCODE(sound), INSTRUCTION_OPCODE(move), INSTRUCTION_OPCODE(endscript) }; uint i; for (i = 0; i < ARRAYSIZE(op1); i++) _instructionOpcodes.push_back(&op1[i]); static const OpcodeV1 op3[] = { COMMAND_OPCODE(invalid), COMMAND_OPCODE(set), COMMAND_OPCODE(clear), COMMAND_OPCODE(start), COMMAND_OPCODE(speak), COMMAND_OPCODE(get), COMMAND_OPCODE(location), COMMAND_OPCODE(open), COMMAND_OPCODE(close), COMMAND_OPCODE(on), COMMAND_OPCODE(off), COMMAND_OPCODE(call), COMMAND_OPCODE(toggle), COMMAND_OPCODE(drop), COMMAND_OPCODE(quit), COMMAND_OPCODE(move), COMMAND_OPCODE(stop) }; for (i = 0; i < ARRAYSIZE(op3); i++) _commandOpcodes.push_back(&op3[i]); } } // namespace Parallaction