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|
/* 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.
*
*/
#include "common/system.h"
#include "macventure/macventure.h"
#include "macventure/script.h"
#include "macventure/world.h"
#include "macventure/container.h"
namespace MacVenture {
ScriptEngine::ScriptEngine(MacVentureEngine *engine, World *world) {
_engine = engine;
_world = world;
_scripts = new Container(_engine->getFilePath(kFilterPathID));
}
ScriptEngine::~ScriptEngine() {
if (_scripts)
delete _scripts;
}
bool ScriptEngine::runControl(ControlAction action, ObjID source, ObjID destination, Common::Point delta) {
EngineFrame frame;
frame.action = action;
frame.src = source;
frame.dest = destination;
frame.x = delta.x;
frame.y = delta.y;
frame.haltedInSaves = false;
frame.haltedInFirst = false;
frame.haltedInFamily = false;
_frames.push_back(frame);
debugC(3, kMVDebugScript, "Stored frame %d, action: %d src: %d dest: %d point: (%d, %d)",
_frames.size() - 1, frame.action, frame.src, frame.dest, frame.x, frame.y);
return resume(true);
}
bool ScriptEngine::resume(bool execAll) {
debugC(3, kMVDebugScript, "Resume Script");
while (_frames.size()) {
bool fail = execFrame(execAll);
if (fail) {
return true;
}
}
return false;
}
void ScriptEngine::reset() {
_frames.clear();
}
bool ScriptEngine::execFrame(bool execAll) {
bool doFirst = execAll;
bool doFamily = false;
bool fail;
EngineFrame *frame = &_frames.front();
// Do first dispatch script (script 0)
if (frame->haltedInFirst || doFirst) { // We were stuck or it's the first time
frame->haltedInFirst = false;
if (doFirst) {
fail = loadScript(frame, 0);
} else {
fail = resumeFunc(frame);
}
if (fail) {
frame->haltedInFirst = true;
_engine->preparedToRun();
return true;
}
doFamily = true;
frame->familyIdx = 0;
}
// Do scripts in the family of player (ObjID 1)
if (frame->haltedInFamily || doFamily) { // We have to do the family or we were stuck here
frame->haltedInFamily = false;
Common::Array<ObjID> family = _world->getFamily(_world->getObjAttr(1, kAttrParentObject), false);
for (uint32 i = frame->familyIdx; i < family.size(); i++) {
if (doFamily) {
fail = loadScript(frame, family[i]);
} else {
fail = resumeFunc(frame);
}
if (fail) { // We are stuck, so we don't shift the frame
frame->haltedInFamily = true;
frame->familyIdx = i;
_engine->preparedToRun();
return true;
}
doFamily = true;
}
}
// Halted in saves
if (frame->haltedInSaves) {
frame->haltedInSaves = false;
if (resumeFunc(frame)) {
frame->haltedInSaves = true;
_engine->preparedToRun();
return true;
}
}
int highest = 0;
uint localHigh = 0;
do { // Saved function calls
highest = 0;
for (uint i = 0; i < frame->saves.size(); i++) {
if (highest < frame->saves[i].rank) {
highest = frame->saves[i].rank;
localHigh = i;
}
}
if (highest) {
frame->saves[localHigh].rank = 0;
if (loadScript(frame, frame->saves[localHigh].func)) {
frame->haltedInSaves = true;
_engine->preparedToRun();
return true;
}
}
} while (highest);
_frames.pop_front();
return false;
}
bool ScriptEngine::loadScript(EngineFrame *frame, uint32 scriptID) {
if (_scripts->getItemByteSize(scriptID) > 0) {
debugC(2, kMVDebugScript, "Loading function %d", scriptID);
// Insert the new script at the front
frame->scripts.push_front(ScriptAsset(scriptID, _scripts));
return runFunc(frame);
}
return false;
}
bool ScriptEngine::resumeFunc(EngineFrame *frame) {
bool fail = runFunc(frame);
if (fail) {
return fail;
}
frame->scripts.pop_front();
if (frame->scripts.size())
return resumeFunc(frame);
return false;
}
bool ScriptEngine::runFunc(EngineFrame *frame) {
ScriptAsset &script = frame->scripts.front();
EngineState *state = &frame->state;
byte op;
while (script.hasNext()) {
op = script.fetch();
debugC(4, kMVDebugScript, "Running operation %d", op);
if (!(op & 0x80)) {
state->push(op);
} else {
switch (op) {
case 0x80: //get attribute
op80GATT(state, frame);
break;
case 0x81: //set attribute
op81SATT(state, frame);
break;
case 0x82: //sum children attribute
op82SUCH(state, frame);
break;
case 0x83: //push selected control
op83PUCT(state, frame);
break;
case 0x84: //push selected object
op84PUOB(state, frame);
break;
case 0x85: //push target
op85PUTA(state, frame);
break;
case 0x86: //push deltax
op86PUDX(state, frame);
break;
case 0x87: //push deltay
op87PUDY(state, frame);
break;
case 0x88: //push immediate.b
op88PUIB(state, frame, &script);
break;
case 0x89: //push immediate
op89PUI(state, frame, &script);
break;
case 0x8a: //get global
op8aGGLO(state, frame);
break;
case 0x8b: //set global
op8bSGLO(state, frame);
break;
case 0x8c: //random
op8cRAND(state, frame);
break;
case 0x8d: //copy
op8dCOPY(state, frame);
break;
case 0x8e: //copyn
op8eCOPYN(state, frame);
break;
case 0x8f: //swap
op8fSWAP(state, frame);
break;
case 0x90: //swapn
op90SWAPN(state, frame);
break;
case 0x91: //pop
op91POP(state, frame);
break;
case 0x92: //copy+1
op92COPYP(state, frame);
break;
case 0x93: //copy+n
op93COPYPN(state, frame);
break;
case 0x94: //shuffle
op94SHUFF(state, frame);
break;
case 0x95: //sort
op95SORT(state, frame);
break;
case 0x96: //clear stack
op96CLEAR(state, frame);
break;
case 0x97: //get stack size
op97SIZE(state, frame);
break;
case 0x98: //add
op98ADD(state, frame);
break;
case 0x99: //subtract
op99SUB(state, frame);
break;
case 0x9a: //multiply
op9aMUL(state, frame);
break;
case 0x9b: //divide
op9bDIV(state, frame);
break;
case 0x9c: //mod
op9cMOD(state, frame);
break;
case 0x9d: //divmod
op9dDMOD(state, frame);
break;
case 0x9e: //abs
op9eABS(state, frame);
break;
case 0x9f: //neg
op9fNEG(state, frame);
break;
case 0xa0: //and
opa0AND(state, frame);
break;
case 0xa1: //or
opa1OR(state, frame);
break;
case 0xa2: //xor
opa2XOR(state, frame);
break;
case 0xa3: //not
opa3NOT(state, frame);
break;
case 0xa4: //logical and
opa4LAND(state, frame);
break;
case 0xa5: //logical or
opa5LOR(state, frame);
break;
case 0xa6: //logical xor
opa6LXOR(state, frame);
break;
case 0xa7: //logical not
opa7LNOT(state, frame);
break;
case 0xa8: //gt? unsigned
opa8GTU(state, frame);
break;
case 0xa9: //lt? unsigned
opa9LTU(state, frame);
break;
case 0xaa: //gt? signed
opaaGTS(state, frame);
break;
case 0xab: //lt? signed
opabLTS(state, frame);
break;
case 0xac: //eq?
opacEQ(state, frame);
break;
case 0xad: //eq string?
opadEQS(state, frame);
break;
case 0xae: //contains
opaeCONT(state, frame);
break;
case 0xaf: //contains word
opafCONTW(state, frame);
break;
case 0xb0: //bra
opb0BRA(state, frame, &script);
break;
case 0xb1: //bra.b
opb1BRAB(state, frame, &script);
break;
case 0xb2: //beq
opb2BEQ(state, frame, &script);
break;
case 0xb3: //beq.b
opb3BEQB(state, frame, &script);
break;
case 0xb4: //bne
opb4BNE(state, frame, &script);
break;
case 0xb5: //bne.b
opb5BNEB(state, frame, &script);
break;
case 0xb6: //call later
opb6CLAT(state, frame);
break;
case 0xb7: //cancel call
opb7CCA(state, frame);
break;
case 0xb8: //cancel low priority
opb8CLOW(state, frame);
break;
case 0xb9: //cancel high priority
opb9CHI(state, frame);
break;
case 0xba: //cancel priority range
opbaCRAN(state, frame);
break;
case 0xbb: //fork
if (opbbFORK(state, frame))
return true;
break;
case 0xbc: //call
if (opbcCALL(state, frame, script))
return true;
break;
case 0xbd: //focus object
opbdFOOB(state, frame);
break;
case 0xbe: //swap objects
opbeSWOB(state, frame);
break;
case 0xbf: //snap object
opbfSNOB(state, frame);
break;
case 0xc0: //toggle exits
opc0TEXI(state, frame);
break;
case 0xc1: //print text
opc1PTXT(state, frame);
break;
case 0xc2: //print newline
opc2PNEW(state, frame);
break;
case 0xc3: //print text+nl
opc3PTNE(state, frame);
break;
case 0xc4: //print nl+text+nl
opc4PNTN(state, frame);
break;
case 0xc5: //print number
opc5PNUM(state, frame);
break;
case 0xc6: //push 2
opc6P2(state, frame);
break;
case 0xc7: //play sound in background
opc7PLBG(state, frame);
break;
case 0xc8: //play sound and wait
opc8PLAW(state, frame);
break;
case 0xc9: //wait for sound to finish?
opc9WAIT(state, frame);
break;
case 0xca: //get current time
opcaTIME(state, frame);
break;
case 0xcb: //get current day
opcbDAY(state, frame);
break;
case 0xcc: //get children
opccCHLD(state, frame);
break;
case 0xcd: //get num children
opcdNCHLD(state, frame);
break;
case 0xce: //get engine version
opceVERS(state, frame);
break;
case 0xcf: //push scenario number
opcfPSCE(state, frame);
break;
case 0xd0: //push 1
opd0P1(state, frame);
break;
case 0xd1: //get object dimensions
opd1GOBD(state, frame);
break;
case 0xd2: //get overlap percent
opd2GOVP(state, frame);
break;
case 0xd3: //capture children
opd3CAPC(state, frame);
break;
case 0xd4: //release children
opd4RELC(state, frame);
break;
case 0xd5: //show speech dialog
opd5DLOG(state, frame);
return true;
case 0xd6: //activate command
opd6ACMD(state, frame);
break;
case 0xd7: //lose game
opd7LOSE(state, frame);
break;
case 0xd8: //win game
opd8WIN(state, frame);
break;
case 0xd9: //sleep
opd9SLEEP(state, frame);
return true;
case 0xda: //click to continue
opdaCLICK(state, frame);
return true;
case 0xdb: //run queue
opdbROBQ(state, frame);
break;
case 0xdc: //run sound queue
opdcRSQ(state, frame);
break;
case 0xdd: //run text queue
opddRTQ(state, frame);
break;
case 0xde: //update screen
opdeUPSC(state, frame);
break;
case 0xdf: //flash main window
opdfFMAI(state, frame);
return true;
case 0xe0: //cache graphic and object
ope0CHGR(state, frame);
break;
case 0xe1: //cache sound
ope1CHSO(state, frame);
break;
case 0xe2: //muldiv
ope2MDIV(state, frame);
break;
case 0xe3: //update object
ope3UPOB(state, frame);
break;
case 0xe4: //currently playing event?
ope4PLEV(state, frame);
break;
case 0xe5: //wait for event to finish
ope5WEV(state, frame);
break;
case 0xe6: //get fibonacci (joke)
ope6GFIB(state, frame);
break;
case 0xe7: //calc fibonacci
ope7CFIB(state, frame);
break;
default:
op00NOOP(op);
}
}
}
return false;
}
int16 ScriptEngine::neg16(int16 val) {
if (val & 0x8000)
val = -((val ^ 0xFFFF) + 1);
return val;
}
int16 ScriptEngine::neg8(int16 val) {
if (val & 0x80)
val = -((val ^ 0xff) + 1);
return val;
}
int16 ScriptEngine::sumChildrenAttr(int16 obj, int16 attr, bool recursive) {
int16 sum = 0;
Common::Array<ObjID> children = _world->getChildren(obj, recursive);
for (Common::Array<ObjID>::const_iterator it = children.begin(); it != children.end(); it++) {
sum += _world->getObjAttr(*it, attr);
}
return sum;
}
void ScriptEngine::ensureNonzeroDivisor(int16 divisor, byte opcode) {
// TODO Untested, since that occassion rarely comes up.
if (divisor == 0) {
error("SCRIPT: Attempt to divide by 0 in operation %x", opcode);
}
}
void MacVenture::ScriptEngine::op80GATT(EngineState *state, EngineFrame *frame) {
int16 obj = state->pop();
int16 attr = state->pop();
state->push(_world->getObjAttr(obj, attr));
}
void ScriptEngine::op81SATT(EngineState *state, EngineFrame *frame) {
int16 obj = state->pop();
int16 attr = state->pop();
int16 val = neg16(state->pop());
_world->setObjAttr(obj, attr, val);
}
void ScriptEngine::op82SUCH(EngineState *state, EngineFrame *frame) {
int16 obj = state->pop();
int16 attr = state->pop();
int16 recursive = neg16(state->pop());
state->push(sumChildrenAttr(obj, attr, recursive));
}
void ScriptEngine::op83PUCT(EngineState *state, EngineFrame *frame) {
state->push(frame->action);
}
void ScriptEngine::op84PUOB(EngineState *state, EngineFrame *frame) {
state->push(frame->src);
}
void ScriptEngine::op85PUTA(EngineState *state, EngineFrame *frame) {
state->push(frame->dest);
}
void ScriptEngine::op86PUDX(EngineState *state, EngineFrame *frame) {
state->push(frame->x);
}
void ScriptEngine::op87PUDY(EngineState *state, EngineFrame *frame) {
state->push(frame->y);
}
void ScriptEngine::op88PUIB(EngineState *state, EngineFrame *frame, ScriptAsset *script) {
state->push(script->fetch());
}
void ScriptEngine::op89PUI(EngineState *state, EngineFrame *frame, ScriptAsset *script) {
int16 val = script->fetch();
val <<= 8;
val = val | script->fetch();
state->push(val);
}
void ScriptEngine::op8aGGLO(EngineState *state, EngineFrame *frame) {
int16 idx = state->pop();
state->push(_world->getGlobal(idx));
}
void ScriptEngine::op8bSGLO(EngineState *state, EngineFrame *frame) {
int16 idx = state->pop();
int16 val = neg16(state->pop());
_world->setGlobal(idx, val);
_engine->gameChanged();
}
void ScriptEngine::op8cRAND(EngineState *state, EngineFrame *frame) {
int16 max = state->pop();
state->push(_engine->randBetween(0, max));
}
void ScriptEngine::op8dCOPY(EngineState *state, EngineFrame *frame) {
int16 val = state->pop();
state->push(val);
state->push(val);
}
void ScriptEngine::op8eCOPYN(EngineState *state, EngineFrame *frame) {
int16 n = state->pop();
int16 offs = n - 1;
int16 val;
while (n) {
val = state->peek(offs);
state->push(val);
n--;
}
}
void ScriptEngine::op8fSWAP(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push(b);
state->push(a);
}
void ScriptEngine::op90SWAPN(EngineState *state, EngineFrame *frame) {
int16 idx = state->pop();
int16 a = state->peek(idx);
int16 b = state->peek(0);
state->poke(idx, b);
state->poke(0, a);
}
void ScriptEngine::op91POP(EngineState *state, EngineFrame *frame) {
state->pop();
}
void ScriptEngine::op92COPYP(EngineState *state, EngineFrame *frame) {
int16 val = state->peek(1);
state->push(val);
}
void ScriptEngine::op93COPYPN(EngineState *state, EngineFrame *frame) {
int16 idx = state->pop();
int16 val = state->peek(idx);
state->push(val);
}
void ScriptEngine::op94SHUFF(EngineState *state, EngineFrame *frame) {
int16 a = state->pop();
int16 b = state->pop();
int16 c = state->pop();
state->push(a);
state->push(c);
state->push(b);
}
void ScriptEngine::op95SORT(EngineState *state, EngineFrame *frame) {
int16 step = neg16(state->pop());
int16 num = neg16(state->pop());
step %= num;
if (step < 0) {
step += num;
}
int16 end = 0;
int16 start = 0;
for (int16 i = 1; i < num; i++) {
start += step;
if (start >= num) {
start -= num;
}
if (start == end) {
end++;
start = end;
} else {
int16 a = state->peek(end);
int16 b = state->peek(start);
state->poke(end, b);
state->poke(start, a);
}
}
}
void ScriptEngine::op96CLEAR(EngineState *state, EngineFrame *frame) {
state->clear();
}
void ScriptEngine::op97SIZE(EngineState *state, EngineFrame *frame) {
state->push(state->size());
}
void ScriptEngine::op98ADD(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push(a + b);
}
void ScriptEngine::op99SUB(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push(a - b);
}
void ScriptEngine::op9aMUL(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push(a * b);
}
void ScriptEngine::op9bDIV(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
ensureNonzeroDivisor(b, 0x9b);
state->push(a / b);
}
void ScriptEngine::op9cMOD(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push(a % b);
}
void ScriptEngine::op9dDMOD(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
ensureNonzeroDivisor(b, 0x9d);
state->push(a % b);
state->push(a / b);
}
void ScriptEngine::op9eABS(EngineState *state, EngineFrame *frame) {
int16 val = neg16(state->pop());
if (val < 0) {
val = -val;
}
state->push(val);
}
void ScriptEngine::op9fNEG(EngineState *state, EngineFrame *frame) {
int16 val = -neg16(state->pop());
state->push(val);
}
void ScriptEngine::opa0AND(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push(a & b);
}
void ScriptEngine::opa1OR(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push(a | b);
}
void ScriptEngine::opa2XOR(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push(a ^ b);
}
void ScriptEngine::opa3NOT(EngineState *state, EngineFrame *frame) {
int16 a = state->pop();
state->push(a ^ 0xFFFF);
}
void ScriptEngine::opa4LAND(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push((a && b) ? 0xFFFF : 0);
}
void ScriptEngine::opa5LOR(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push((a || b) ? 0xFFFF : 0);
}
void ScriptEngine::opa6LXOR(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push((!a != !b) ? 0xFFFF : 0);
}
void ScriptEngine::opa7LNOT(EngineState *state, EngineFrame *frame) {
int16 a = state->pop();
state->push((a == 0) ? 0xFFFF : 0);
}
void ScriptEngine::opa8GTU(EngineState *state, EngineFrame *frame) {
uint16 b = state->pop();
uint16 a = state->pop();
state->push((a > b) ? 0xFFFF : 0);
}
void ScriptEngine::opa9LTU(EngineState *state, EngineFrame *frame) {
uint16 b = state->pop();
uint16 a = state->pop();
state->push((a < b) ? 0xFFFF : 0);
}
void ScriptEngine::opaaGTS(EngineState *state, EngineFrame *frame) {
// HACK !!! May not need the neg16, since it's already a signed int!!
int16 b = neg16(state->pop());
int16 a = neg16(state->pop());
state->push((a > b) ? 0xFFFF : 0);
}
void ScriptEngine::opabLTS(EngineState *state, EngineFrame *frame) {
// HACK !!! May not need the neg16, since it's already a signed int!!
int16 b = neg16(state->pop());
int16 a = neg16(state->pop());
state->push((a < b) ? 0xFFFF : 0);
}
void ScriptEngine::opacEQ(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push((a == b) ? 0xFFFF : 0);
}
void ScriptEngine::opadEQS(EngineState *state, EngineFrame *frame) {
Common::String b = _world->getText(state->pop(), 0, 0); // HACK, these destinations might be wrong
Common::String a = _world->getText(state->pop(), 0, 0);
state->push((a == b) ? 1 : 0);
}
void ScriptEngine::opaeCONT(EngineState *state, EngineFrame *frame) {
Common::String needle = _world->getText(state->pop(), 0, 0);
Common::String haystack = _world->getText(state->pop(), 0, 0);
haystack.toLowercase();
state->push(haystack.contains(needle) ? 1 : 0);
}
void ScriptEngine::opafCONTW(EngineState *state, EngineFrame *frame) {
Common::String needle = _world->getText(state->pop(), 0, 0);
Common::String haystack = _world->getText(state->pop(), 0, 0);
haystack.toLowercase();
state->push(haystack.contains(needle) ? 1 : 0);
}
void ScriptEngine::opb0BRA(EngineState *state, EngineFrame *frame, ScriptAsset *script) {
int16 val = script->fetch();
val <<= 8;
val = val | script->fetch();
val = neg16(val);
script->branch(val);
}
void ScriptEngine::opb1BRAB(EngineState *state, EngineFrame *frame, ScriptAsset *script) {
int16 val = script->fetch();
val = neg8(val);
script->branch(val);
}
void ScriptEngine::opb2BEQ(EngineState *state, EngineFrame *frame, ScriptAsset *script) {
int16 val = script->fetch();
val <<= 8;
val = val | script->fetch();
val = neg16(val);
int16 b = state->pop();
if (b != 0) {
script->branch(val);
}
}
void ScriptEngine::opb3BEQB(EngineState *state, EngineFrame *frame, ScriptAsset *script) {
int16 val = script->fetch();
val = neg8(val);
int16 b = state->pop();
if (b != 0) {
script->branch(val);
}
}
void ScriptEngine::opb4BNE(EngineState *state, EngineFrame *frame, ScriptAsset *script) {
int16 val = script->fetch();
val <<= 8;
val = val | script->fetch();
val = neg16(val);
int16 b = state->pop();
if (b == 0) {
script->branch(val);
}
}
void ScriptEngine::opb5BNEB(EngineState *state, EngineFrame *frame, ScriptAsset *script) {
int16 val = script->fetch();
val = neg8(val);
int16 b = state->pop();
if (b == 0) {
script->branch(val);
}
}
void ScriptEngine::opb6CLAT(EngineState *state, EngineFrame *frame) {
int16 rank = state->pop();
int16 func = state->pop();
frame->saves.push_back(FunCall(func, rank));
}
void ScriptEngine::opb7CCA(EngineState *state, EngineFrame *frame) {
int16 func = state->pop();
for (uint i = 0; i < frame->saves.size(); i++) {
if (frame->saves[i].func == func)
frame->saves[i].rank = 0;
}
}
void ScriptEngine::opb8CLOW(EngineState *state, EngineFrame *frame) {
int16 hi = state->pop();
for (uint i = 0; i < frame->saves.size(); i++)
if (frame->saves[i].rank <= hi)
frame->saves[i].rank = 0;
}
void ScriptEngine::opb9CHI(EngineState *state, EngineFrame *frame) {
int16 lo = state->pop();
for (uint i = 0; i < frame->saves.size(); i++) {
if (frame->saves[i].rank >= lo) {
frame->saves[i].rank = 0;
}
}
}
void ScriptEngine::opbaCRAN(EngineState *state, EngineFrame *frame) {
int16 hi = state->pop();
int16 lo = state->pop();
for (uint i = 0; i < frame->saves.size(); i++) {
if (frame->saves[i].rank >= lo &&
frame->saves[i].rank <= hi) {
frame->saves[i].rank = 0;
}
}
}
bool ScriptEngine::opbbFORK(EngineState *state, EngineFrame *frame) {
EngineFrame newframe;
newframe.action = (ControlAction)state->pop();
newframe.src = state->pop();
newframe.dest = state->pop();
newframe.x = state->pop();
newframe.y = state->pop();
newframe.haltedInFamily = false;
newframe.haltedInFirst = false;
newframe.haltedInSaves = false;
_frames.push_front(newframe);
if (execFrame(true)) {
return true;
}
return false;
}
bool ScriptEngine::opbcCALL(EngineState *state, EngineFrame *frame, ScriptAsset &script) {
int16 id = state->pop();
ScriptAsset newfun = ScriptAsset(id, _scripts);
ScriptAsset current = script;
debugC(2, kMVDebugScript, "Call function: %d", id);
if (loadScript(frame, id))
return true;
frame->scripts.pop_front();
script = frame->scripts.front();
debugC(2, kMVDebugScript, "Return from fuction %d", id);
return false;
}
void ScriptEngine::opbdFOOB(EngineState *state, EngineFrame *frame) {
int16 obj = state->pop();
_engine->enqueueObject(kFocusWindow, obj);
}
void ScriptEngine::opbeSWOB(EngineState *state, EngineFrame *frame) {
ObjID from = state->pop();
ObjID to = state->pop();
_engine->enqueueObject(kUpdateWindow, from, to);
_world->setObjAttr(to, kAttrContainerOpen, _world->getObjAttr(from, 6));
_world->setObjAttr(from, kAttrContainerOpen, 0);
Common::Array<ObjID> children = _world->getChildren(from, true);
for (uint i = 0; i < children.size(); i++) {
_world->setObjAttr(children[i], 0, to);
}
}
void ScriptEngine::opbfSNOB(EngineState *state, EngineFrame *frame) {
_engine->enqueueObject(kAnimateBack, frame->src);
}
void ScriptEngine::opc0TEXI(EngineState *state, EngineFrame *frame) {
_engine->enqueueObject(kHightlightExits, 0);
}
void ScriptEngine::opc1PTXT(EngineState *state, EngineFrame *frame) {
int16 tid = state->pop();
_engine->enqueueText(kTextPlain, frame->dest, frame->src, tid);
}
void ScriptEngine::opc2PNEW(EngineState *state, EngineFrame *frame) {
_engine->enqueueText(kTextNewLine, frame->dest, frame->src, 0);
}
void ScriptEngine::opc3PTNE(EngineState *state, EngineFrame *frame) {
int16 tid = state->pop();
_engine->enqueueText(kTextPlain, frame->dest, frame->src, tid);
_engine->enqueueText(kTextNewLine, frame->dest, frame->src, 0);
}
void ScriptEngine::opc4PNTN(EngineState *state, EngineFrame *frame) {
int16 tid = state->pop();
_engine->enqueueText(kTextNewLine, frame->dest, frame->src, 0);
_engine->enqueueText(kTextPlain, frame->dest, frame->src, tid);
_engine->enqueueText(kTextNewLine, frame->dest, frame->src, 0);
}
void ScriptEngine::opc5PNUM(EngineState *state, EngineFrame *frame) {
int16 tid = state->pop();
_engine->enqueueText(kTextNumber, frame->dest, frame->src, tid);
}
void ScriptEngine::opc6P2(EngineState *state, EngineFrame *frame) {
state->push(2);
}
void ScriptEngine::opc7PLBG(EngineState *state, EngineFrame *frame) {
int16 target = state->pop();
_engine->enqueueSound(kSoundPlay, target);
}
void ScriptEngine::opc8PLAW(EngineState *state, EngineFrame *frame) {
int16 target = state->pop();
_engine->enqueueSound(kSoundPlayAndWait, target);
}
void ScriptEngine::opc9WAIT(EngineState *state, EngineFrame *frame) {
_engine->enqueueSound(kSoundWait, 0);
}
void ScriptEngine::opcaTIME(EngineState *state, EngineFrame *frame) {
for (uint i = 0; i < 3; i++) {// We skip year, month and date
state->push(0x00);
}
uint32 totalPlayTime = _engine->getTotalPlayTime() / 1000; // In seconds
int16 hours = totalPlayTime / 3600;
totalPlayTime %= 3600;
state->push(hours);
int16 minutes = totalPlayTime / 60;
totalPlayTime %= 60;
state->push(minutes);
state->push(totalPlayTime);
debugC(2, kMVDebugScript, "Saved time: h[%d] m[%d] s[%d]", hours, minutes, totalPlayTime);
}
void ScriptEngine::opcbDAY(EngineState *state, EngineFrame *frame) {
// Probaby irrelevant, so we push Day [9]
state->push(9);
}
void ScriptEngine::opccCHLD(EngineState *state, EngineFrame *frame) {
bool recursive = state->pop() != 0;
int16 obj = state->pop();
Common::Array<ObjID> children = _world->getChildren(obj, recursive);
for (Common::Array<ObjID>::const_iterator it = children.begin(); it != children.end(); it++) {
state->push(*it);
}
state->push(children.size());
}
void ScriptEngine::opcdNCHLD(EngineState *state, EngineFrame *frame) {
bool recursive = state->pop() != 0;
int16 obj = state->pop();
Common::Array<ObjID> children = _world->getChildren(obj, recursive);
state->push(children.size());
}
void ScriptEngine::opceVERS(EngineState *state, EngineFrame *frame) {
state->push(86); // Engine version is irrelevant. Like this in the original.
}
void ScriptEngine::opcfPSCE(EngineState *state, EngineFrame *frame) {
state->push(0); // Any value greater than 0 indicates "Release".
}
void ScriptEngine::opd0P1(EngineState *state, EngineFrame *frame) {
state->push(1);
}
void ScriptEngine::opd1GOBD(EngineState *state, EngineFrame *frame) {
int16 obj = state->pop();
Common::Rect bounds = _engine->getObjBounds(obj);
state->push(bounds.width());
state->push(bounds.height());
}
void ScriptEngine::opd2GOVP(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
state->push(_engine->getOverlapPercent(b, a));
}
void ScriptEngine::opd3CAPC(EngineState *state, EngineFrame *frame) {
int16 obj = state->pop();
_world->captureChildren(obj);
}
void ScriptEngine::opd4RELC(EngineState *state, EngineFrame *frame) {
int16 obj = state->pop();
_world->releaseChildren(obj);
}
void ScriptEngine::opd5DLOG(EngineState *state, EngineFrame *frame) {
int16 txt = state->pop();
if (_engine->showTextEntry(txt, frame->src, frame->dest)) {
state->push(0xFF);
} else {
state->push(0x00);
}
}
void ScriptEngine::opd6ACMD(EngineState *state, EngineFrame *frame) {
_engine->selectControl((ControlAction)state->pop());
}
void ScriptEngine::opd7LOSE(EngineState *state, EngineFrame *frame) {
_engine->loseGame();
}
void ScriptEngine::opd8WIN(EngineState *state, EngineFrame *frame) {
_engine->winGame();
}
void ScriptEngine::opd9SLEEP(EngineState *state, EngineFrame *frame) {
int16 ticks = state->pop();
g_system->delayMillis((ticks / 60) * 1000);
_engine->preparedToRun();
}
void ScriptEngine::opdaCLICK(EngineState *state, EngineFrame *frame) {
_engine->updateState(false);
_engine->clickToContinue();
}
void ScriptEngine::opdbROBQ(EngineState *state, EngineFrame *frame) {
_engine->runObjQueue();
}
void ScriptEngine::opdcRSQ(EngineState *state, EngineFrame *frame) {
_engine->playSounds(true);
}
void ScriptEngine::opddRTQ(EngineState *state, EngineFrame *frame) {
_engine->printTexts();
}
void ScriptEngine::opdeUPSC(EngineState *state, EngineFrame *frame) {
_engine->updateState(true);
}
void ScriptEngine::opdfFMAI(EngineState *state, EngineFrame *frame) {
int16 ticks = state->pop();
g_system->delayMillis((ticks / 60) * 1000);
_engine->revert();
}
void ScriptEngine::ope0CHGR(EngineState *state, EngineFrame *frame) {
state->pop();
}
void ScriptEngine::ope1CHSO(EngineState *state, EngineFrame *frame) {
state->pop();
}
void ScriptEngine::ope2MDIV(EngineState *state, EngineFrame *frame) {
int16 b = state->pop();
int16 a = state->pop();
a *= b;
int16 c = state->pop();
ensureNonzeroDivisor(c, 0xe2);
a /= c;
state->push(a);
}
void ScriptEngine::ope3UPOB(EngineState *state, EngineFrame *frame) {
int16 obj = state->pop();
_world->updateObj(obj);
}
void ScriptEngine::ope4PLEV(EngineState *state, EngineFrame *frame) {
state->push(0);
}
void ScriptEngine::ope5WEV(EngineState *state, EngineFrame *frame) {
op00NOOP(0xe5);
}
void ScriptEngine::ope6GFIB(EngineState *state, EngineFrame *frame) {
state->push(0);
op00NOOP(0xe6);
}
void ScriptEngine::ope7CFIB(EngineState *state, EngineFrame *frame) {
state->pop();
op00NOOP(0xe7);
}
void ScriptEngine::op00NOOP(byte op) {
warning("SCRIPT: Opcode not implemented => %x", op);
}
ScriptAsset::ScriptAsset(ObjID id, Container *container) {
_id = id;
_container = container;
_ip = 0x0;
loadInstructions();
}
void ScriptAsset::reset() {
_ip = 0x0;
}
uint8 ScriptAsset::fetch() {
uint8 ins = _instructions[_ip];
_ip++;
return ins;
}
bool ScriptAsset::hasNext() {
return _ip < _instructions.size();
}
void ScriptAsset::branch(int16 amount) {
_ip += amount;
}
ObjID ScriptAsset::getId() {
return _id;
}
void ScriptAsset::loadInstructions() {
uint32 amount = _container->getItemByteSize(_id);
Common::SeekableReadStream *res = _container->getItem(_id);
for (uint i = 0; i < amount; i++) {
_instructions.push_back(res->readByte());
}
delete res;
debugC(2, kMVDebugScript, "Load %d instructions for script %d", amount, _id);
}
} // End of namespace MacVenture
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