mirror of
https://github.com/libretro/scummvm.git
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58ec0f0aad
- Allow more than one script work at once - Proper implementation of address methods some opcodes may be broken - cause work in progress todo: rewrite opcodes with new address functionality svn-id: r16604
512 lines
13 KiB
C++
512 lines
13 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004-2005 The ScummVM project
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*
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* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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// Scripting module private header
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#ifndef SAGA_SCRIPT_H
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#define SAGA_SCRIPT_H
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#include "saga/text.h"
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#include "saga/list.h"
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namespace Saga {
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#define COMMON_BUFFER_SIZE 1024
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#define S_LUT_ENTRYLEN_ITECD 22
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#define S_LUT_ENTRYLEN_ITEDISK 16
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#define SCRIPT_TBLENTRY_LEN 4
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#define SCRIPT_MAX 5000
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#define SCRIPTLIST_HDR 12
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#define SCRIPT_STRINGLIMIT 255
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#define TAB " "
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#define S_ERROR_PREFIX "SError: "
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#define S_WARN_PREFIX "SWarning: "
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#define SCRIPT_FUNCTION_MAX 78
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#define DEFAULT_THREAD_STACK_SIZE 256
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enum AddressTypes {
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kAddressCommon = 0, // offset from global variables
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kAddressStatic = 1, // offset from global variables
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kAddressModule = 2, // offset from start of module
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kAddressStack = 3, // offset from stack
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kAddressThread = 4, // offset from thread structure
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/* kAddressId = 5, // offset from const id object
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kAddressIdIndirect = 6, // offset from stack id object
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kAddressIndex = 7 // index from id*/
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};
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enum VerbTypes {
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//todo: LUT for drawing
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kVerbNone = 0,
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kVerbPickUp = 1,
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kVerbLookAt = 2,
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kVerbWalkTo = 3,
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kVerbTalkTo = 4,
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kVerbOpen = 5,
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kVerbClose = 6,
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kVerbGive = 7,
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kVerbUse = 8,
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kVerbOptions = 9,
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kVerbEnter = 10,
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kVerbLeave = 11,
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kVerbBegin = 12,
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kVerbWalkOnly = 13,
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kVerbLookOnly = 14,
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kVerbTypesMax = kVerbLookOnly + 1
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};
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#define STHREAD_TIMESLICE 8
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enum ThreadVarTypes {
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kThreadVarObject = 0,
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kThreadVarWithObject = 1,
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kThreadVarAction = 2,
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kThreadVarActor = 3,
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kThreadVarMax = kThreadVarActor + 1
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};
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enum ThreadFlags {
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kTFlagNone = 0,
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kTFlagWaiting = 1, // wait for even denoted in waitType
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kTFlagFinished = 2,
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kTFlagAborted = 4,
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kTFlagAsleep = kTFlagWaiting | kTFlagFinished | kTFlagAborted // Combination of all flags which can halt a thread
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};
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enum ThreadWaitTypes {
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kWaitTypeNone = 0, // waiting for nothing
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kWaitTypeDelay = 1, // waiting for a timer
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kWaitTypeSpeech = 2, // waiting for speech to finish
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kWaitTypeDialogEnd = 3, // waiting for my dialog to finish
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kWaitTypeDialogBegin = 4, // waiting for other dialog to finish
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kWaitTypeWalk = 5, // waiting to finish walking
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kWaitTypeRequest = 6, // a request is up
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kWaitTypePause = 7,
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kWaitTypePlacard = 8
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};
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enum OpCodes {
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//...
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opCcall = 0x18,
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opCcallV = 0x19,
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opEnter = 0x1A,
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opReturn = 0x1B,
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opReturnV = 0x1C,
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//...
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opSpeak = 0x53,
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opDialogBegin = 0x54,
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opDialogEnd = 0x55,
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opReply = 0x56
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};
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enum CycleFlags {
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kCyclePong = 1 << 0,
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kCycleOnce = 1 << 1,
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kCycleRandom = 1 << 2,
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kCycleReverse = 1 << 3
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};
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enum WalkFlags {
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kWalkBackPedal = 1 << 0,
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kWalkAsync = 1 << 1,
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kWalkUseAngle = 1 << 2,
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kWalkFace = 1 << 5
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};
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enum ReplyFlags {
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kReplyOnce = 1 << 0,
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kReplySummary = 1 << 1,
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kReplyCondition = 1 << 2
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};
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struct EntryPoint {
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uint16 nameOffset;
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uint16 offset;
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};
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struct VoiceLUT {
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uint16 voicesCount;
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uint16 *voices;
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void freeMem() {
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free(voices);
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}
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};
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struct ModuleData {
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bool loaded; // is it loaded or not?
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int scriptResourceId;
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int stringsResourceId;
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int voicesResourceId;
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byte *moduleBase; // all base module
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uint16 moduleBaseSize; // base module size
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uint16 staticSize; // size of static data
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uint staticOffset; // offset of static data begining in _commonBuffer
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uint16 entryPointsTableOffset; // offset of entrypoint table in moduleBase
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uint16 entryPointsCount;
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EntryPoint *entryPoints;
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StringsTable strings;
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VoiceLUT voiceLUT;
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void freeMem() {
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strings.freeMem();
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voiceLUT.freeMem();
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free(moduleBase);
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free(entryPoints);
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memset(this, 0x0, sizeof(*this));
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}
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};
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class ScriptThread {
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public:
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uint16 *_stackBuf;
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uint16 _stackSize; // stack size in uint16
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uint16 _stackTopIndex;
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uint16 _frameIndex;
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uint16 _threadVars[kThreadVarMax];
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byte *_moduleBase; //
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uint16 _moduleBaseSize;
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byte *_commonBase; //
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byte *_staticBase; //
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VoiceLUT *_voiceLUT; //
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StringsTable *_strings; //
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int _flags; // ThreadFlags
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int _waitType; // ThreadWaitTypes
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uint _sleepTime;
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void *_threadObj; // which object we're handling
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uint16 _returnValue;
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uint16 _instructionOffset; // Instruction offset
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public:
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byte *baseAddress(byte addrMode) {
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switch(addrMode) {
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case kAddressCommon:
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return _commonBase;
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case kAddressStatic:
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return _staticBase;
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case kAddressModule:
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return _moduleBase;
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/* case kAddressStack:
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return _stackBuf + framePtr;*/
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case kAddressThread:
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return (byte*)_threadVars;
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default:
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return _commonBase;
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}
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}
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int16 stackTop() {
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return (int16)_stackBuf[_stackTopIndex];
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}
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uint pushedSize() {
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return _stackSize - _stackTopIndex - 1;
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}
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void push(int16 value) {
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if (_stackTopIndex <= 0) {
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error("ScriptThread::push() stack overflow");
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}
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_stackBuf[--_stackTopIndex] = (uint16)value;
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}
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int16 pop() {
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if (_stackTopIndex >= _stackSize) {
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error("ScriptThread::push() stack underflow");
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}
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return (int16)_stackBuf[_stackTopIndex++];
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}
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// wait stuff
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void wait(int waitType) {
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_waitType = waitType;
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_flags |= kTFlagWaiting;
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}
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void waitWalk(void *threadObj) {
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wait(kWaitTypeWalk);
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_threadObj = threadObj;
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}
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void waitDelay(int sleepTime) {
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wait(kWaitTypeDelay);
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_sleepTime = sleepTime;
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}
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ScriptThread() {
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memset(this, 0xFE, sizeof(*this));
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_stackBuf = NULL;
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}
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~ScriptThread() {
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free(_stackBuf);
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}
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};
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typedef SortedList<ScriptThread> ScriptThreadList;
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#define SCRIPTFUNC_PARAMS ScriptThread *thread, int nArgs
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class Script {
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public:
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StringsTable _mainStrings;
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Script();
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~Script();
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void CF_script_togglestep();
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void loadModule(int scriptModuleNumber);
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void freeModules();
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bool isInitialized() const { return _initialized; }
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bool isVoiceLUTPresent() const { return _voiceLUTPresent; }
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/* ScriptData *currentScript() { return _currentScript; }
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int getWord(int bufNumber, int wordNumber, ScriptDataWord *data);
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int putWord(int bufNumber, int wordNumber, ScriptDataWord data);
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int setBit(int bufNumber, ScriptDataWord bitNumber, int bitState);
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int getBit(int bufNumber, ScriptDataWord bitNumber, int *bitState); */
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// const char * getScriptString(int index) const { return _currentScript->strings.getString(index); }
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void doVerb();
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void showVerb(int statuscolor = -1);
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void setVerb(int verb);
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int getCurrentVerb() const { return _currentVerb; }
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void setPointerVerb();
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void whichObject(const Point& mousePoint);
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void hitObject(bool leftButton);
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void playfieldClick(const Point& mousePoint, bool leftButton);
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void setLeftButtonVerb(int verb);
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int getLeftButtonVerb() const { return _leftButtonVerb; }
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void setRightButtonVerb(int verb);
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int getRightButtonVerb() const { return _rightButtonVerb; }
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void setNonPlayfieldVerb() {
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setRightButtonVerb(kVerbNone);
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_pointerObject = ID_NOTHING;
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_currentObject[_firstObjectSet ? 1 : 0] = ID_NOTHING;
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}
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void setNoPendingVerb() {
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_pendingVerb = kVerbNone;
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_currentObject[0] = _currentObject[0] = ID_NOTHING;
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setPointerVerb();
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}
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void scriptInfo();
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void scriptExec(int argc, const char **argv);
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private:
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bool _initialized;
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bool _voiceLUTPresent;
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RSCFILE_CONTEXT *_scriptContext;
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uint16 _modulesLUTEntryLen;
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ModuleData *_modules;
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int _modulesCount;
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byte* _commonBuffer;
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uint _commonBufferSize;
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uint _staticSize;
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ScriptThreadList _threadList;
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ScriptThread *_conversingThread;
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//verb
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bool _firstObjectSet;
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bool _secondObjectNeeded;
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uint16 _currentObject[2];
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int16 _currentObjectFlags[2];
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int _currentVerb;
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int _stickyVerb;
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int _leftButtonVerb;
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int _rightButtonVerb;
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public:
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uint16 _pendingObject[2];
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int _pendingVerb;
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uint16 _pointerObject;
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bool _skipSpeeches;
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bool _abortEnabled;
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int _dbg_singlestep;
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int _dbg_dostep;
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ScriptThread *_dbg_thread;
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TEXTLIST_ENTRY *_dbg_txtentry;
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public:
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ScriptThread *createThread(uint16 scriptModuleNumber, uint16 scriptEntryPointNumber);
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int executeThread(ScriptThread *thread, int entrypointNumber);
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int executeThreads(uint msec);
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int SThreadDebugStep();
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void completeThread(void);
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void wakeUpActorThread(int waitType, void *threadObj);
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void wakeUpThreads(int waitType);
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void wakeUpThreadsDelayed(int waitType, int sleepTime);
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private:
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void loadModuleBase(ModuleData &module, const byte *resourcePointer, size_t resourceLength);
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void loadModuleVoiceLUT(ModuleData &module, const byte *resourcePointer, size_t resourceLength);
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void runThread(ScriptThread *thread, uint instructionLimit);
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void setThreadEntrypoint(ScriptThread *thread, int entrypointNumber);
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public:
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void finishDialog(int replyID, int flags, int bitOffset);
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private:
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typedef int (Script::*ScriptFunctionType)(SCRIPTFUNC_PARAMS);
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struct ScriptFunctionDescription {
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ScriptFunctionType scriptFunction;
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const char *scriptFunctionName;
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};
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const ScriptFunctionDescription *_scriptFunctionsList;
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void setupScriptFuncList(void);
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void scriptError(ScriptThread *thread, const char *format, ...);
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int SDebugPrintInstr(ScriptThread *thread);
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int SF_putString(SCRIPTFUNC_PARAMS);
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int sfWait(SCRIPTFUNC_PARAMS);
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int SF_takeObject(SCRIPTFUNC_PARAMS);
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int SF_objectIsCarried(SCRIPTFUNC_PARAMS);
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int sfStatusBar(SCRIPTFUNC_PARAMS);
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int SF_mainMode(SCRIPTFUNC_PARAMS);
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int sfScriptWalkTo(SCRIPTFUNC_PARAMS);
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int SF_doAction(SCRIPTFUNC_PARAMS);
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int sfSetActorFacing(SCRIPTFUNC_PARAMS);
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int sfStartBgdAnim(SCRIPTFUNC_PARAMS);
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int sfStopBgdAnim(SCRIPTFUNC_PARAMS);
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int sfLockUser(SCRIPTFUNC_PARAMS);
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int SF_preDialog(SCRIPTFUNC_PARAMS);
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int SF_killActorThreads(SCRIPTFUNC_PARAMS);
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int sfFaceTowards(SCRIPTFUNC_PARAMS);
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int sfSetFollower(SCRIPTFUNC_PARAMS);
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int SF_gotoScene(SCRIPTFUNC_PARAMS);
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int SF_setObjImage(SCRIPTFUNC_PARAMS);
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int SF_setObjName(SCRIPTFUNC_PARAMS);
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int SF_getObjImage(SCRIPTFUNC_PARAMS);
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int SF_getNumber(SCRIPTFUNC_PARAMS);
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int sfScriptOpenDoor(SCRIPTFUNC_PARAMS);
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int sfScriptCloseDoor(SCRIPTFUNC_PARAMS);
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int sfSetBgdAnimSpeed(SCRIPTFUNC_PARAMS);
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int SF_cycleColors(SCRIPTFUNC_PARAMS);
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int sfDoCenterActor(SCRIPTFUNC_PARAMS);
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int sfStartBgdAnimSpeed(SCRIPTFUNC_PARAMS);
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int sfScriptWalkToAsync(SCRIPTFUNC_PARAMS);
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int SF_enableZone(SCRIPTFUNC_PARAMS);
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int sfSetActorState(SCRIPTFUNC_PARAMS);
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int scriptMoveTo(SCRIPTFUNC_PARAMS);
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int SF_sceneEq(SCRIPTFUNC_PARAMS);
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int SF_dropObject(SCRIPTFUNC_PARAMS);
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int sfFinishBgdAnim(SCRIPTFUNC_PARAMS);
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int sfSwapActors(SCRIPTFUNC_PARAMS);
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int sfSimulSpeech(SCRIPTFUNC_PARAMS);
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int sfScriptWalk(SCRIPTFUNC_PARAMS);
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int sfCycleFrames(SCRIPTFUNC_PARAMS);
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int sfSetFrame(SCRIPTFUNC_PARAMS);
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int sfSetPortrait(SCRIPTFUNC_PARAMS);
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int sfSetProtagPortrait(SCRIPTFUNC_PARAMS);
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int sfChainBgdAnim(SCRIPTFUNC_PARAMS);
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int SF_scriptSpecialWalk(SCRIPTFUNC_PARAMS);
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int sfPlaceActor(SCRIPTFUNC_PARAMS);
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int SF_checkUserInterrupt(SCRIPTFUNC_PARAMS);
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int SF_walkRelative(SCRIPTFUNC_PARAMS);
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int SF_moveRelative(SCRIPTFUNC_PARAMS);
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int SF_simulSpeech2(SCRIPTFUNC_PARAMS);
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int sfPlacard(SCRIPTFUNC_PARAMS);
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int sfPlacardOff(SCRIPTFUNC_PARAMS);
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int SF_setProtagState(SCRIPTFUNC_PARAMS);
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int sfResumeBgdAnim(SCRIPTFUNC_PARAMS);
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int SF_throwActor(SCRIPTFUNC_PARAMS);
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int SF_waitWalk(SCRIPTFUNC_PARAMS);
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int SF_sceneID(SCRIPTFUNC_PARAMS);
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int SF_changeActorScene(SCRIPTFUNC_PARAMS);
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int SF_climb(SCRIPTFUNC_PARAMS);
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int sfSetDoorState(SCRIPTFUNC_PARAMS);
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int SF_setActorZ(SCRIPTFUNC_PARAMS);
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int SF_text(SCRIPTFUNC_PARAMS);
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int SF_getActorX(SCRIPTFUNC_PARAMS);
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int SF_getActorY(SCRIPTFUNC_PARAMS);
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int SF_eraseDelta(SCRIPTFUNC_PARAMS);
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int sfPlayMusic(SCRIPTFUNC_PARAMS);
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int SF_pickClimbOutPos(SCRIPTFUNC_PARAMS);
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int SF_tossRif(SCRIPTFUNC_PARAMS);
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int SF_showControls(SCRIPTFUNC_PARAMS);
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int SF_showMap(SCRIPTFUNC_PARAMS);
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int SF_puzzleWon(SCRIPTFUNC_PARAMS);
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int sfEnableEscape(SCRIPTFUNC_PARAMS);
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int sfPlaySound(SCRIPTFUNC_PARAMS);
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int SF_playLoopedSound(SCRIPTFUNC_PARAMS);
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int SF_getDeltaFrame(SCRIPTFUNC_PARAMS);
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int SF_showProtect(SCRIPTFUNC_PARAMS);
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int SF_protectResult(SCRIPTFUNC_PARAMS);
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int sfRand(SCRIPTFUNC_PARAMS);
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int SF_fadeMusic(SCRIPTFUNC_PARAMS);
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int SF_playVoice(SCRIPTFUNC_PARAMS);
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};
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/*inline int getSWord(ScriptDataWord word) {
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uint16 uInt = word;
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int sInt;
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if (uInt & 0x8000U) {
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sInt = (int)(uInt - 0x8000U) - 0x7FFF - 1;
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} else {
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sInt = uInt;
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}
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return sInt;
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}
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inline uint getUWord(ScriptDataWord word) {
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return (uint16) word;
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}
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*/
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} // End of namespace Saga
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#endif
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