void CCobEngine::Tick(int deltaTime)
{
SCOPED_TIMER("Scripts");
GCurrentTime += deltaTime;
#if COB_DEBUG > 0
logOutput.Print("----");
#endif
// Advance all running threads
for (std::list<CCobThread *>::iterator i = running.begin(); i != running.end(); ++i) {
//logOutput.Print("Now 1running %d: %s", GCurrentTime, (*i)->GetName().c_str());
#ifdef _CONSOLE
printf("----\n");
#endif
TickThread(deltaTime, *i);
}
// A thread can never go from running->running, so clear the list
// note: if preemption was to be added, this would no longer hold
// however, ta scripts can not run preemptively anyway since there
// isn't any synchronization methods available
running.clear();
// The threads that just ran may have added new threads that should run next tick
for (std::list<CCobThread *>::iterator i = wantToRun.begin(); i != wantToRun.end(); ++i) {
running.push_front(*i);
}
wantToRun.clear();
//Check on the sleeping threads
if (!sleeping.empty()) {
CCobThread *cur = sleeping.top();
while ((cur != NULL) && (cur->GetWakeTime() < GCurrentTime)) {
// Start with removing the executing thread from the queue
sleeping.pop();
//Run forward again. This can quite possibly readd the thread to the sleeping array again
//But it will not interfere since it is guaranteed to sleep > 0 ms
//logOutput.Print("Now 2running %d: %s", GCurrentTime, cur->GetName().c_str());
#ifdef _CONSOLE
printf("+++\n");
#endif
if (cur->state == CCobThread::Sleep) {
cur->state = CCobThread::Run;
TickThread(deltaTime, cur);
} else if (cur->state == CCobThread::Dead) {
delete cur;
} else {
logOutput.Print("CobError: Sleeping thread strange state %d", cur->state);
}
if (!sleeping.empty())
cur = sleeping.top();
else
cur = NULL;
}
}
}
//Returns 0 if the call terminated. If the caller provides a callback and the thread does not terminate,
//it will continue to run. Otherwise it will be killed. Returns 1 in this case.
int CCobInstance::RealCall(int functionId, vector<int> &args, CBCobThreadFinish cb, void *p1, void *p2)
{
CCobThread *t = new CCobThread(script, this);
t->Start(functionId, args, false);
#if COB_DEBUG > 0
if (COB_DEBUG_FILTER)
logOutput.Print("Calling %s:%s", script.name.c_str(), script.scriptNames[functionId].c_str());
#endif
int res = t->Tick(30);
t->CommitAnims(30);
//Make sure this is run even if the call terminates instantly
if (cb)
t->SetCallback(cb, p1, p2);
if (res == -1) {
//Retrieve parameter values from stack
for (unsigned int i = 0; i < args.size(); ++i) {
args[i] = t->GetStackVal(i);
}
delete t;
return 0;
}
else {
//It has already added itself to the correct scheduler (global for sleep, or local for anim)
return 1;
}
}
/**
* @brief Calls a cob script function
* @param functionId int cob script function id
* @param args vector<int> function arguments
* @param cb CBCobThreadFinish Callback function
* @param p1 void* callback argument #1
* @param p2 void* callback argument #2
* @return 0 if the call terminated. If the caller provides a callback and the thread does not terminate,
* it will continue to run. Otherwise it will be killed. Returns 1 in this case.
*/
int CCobInstance::RealCall(int functionId, vector<int> &args, CBCobThreadFinish cb, void *p1, void *p2)
{
if (functionId < 0 || size_t(functionId) >= script.scriptNames.size()) {
if (cb) {
// in case the function doesnt exist the callback should still be called
(*cb)(0, p1, p2);
}
return -1;
}
CCobThread *t = new CCobThread(script, this);
t->Start(functionId, args, false);
#if COB_DEBUG > 0
if (COB_DEBUG_FILTER)
logOutput.Print("Calling %s:%s", script.name.c_str(), script.scriptNames[functionId].c_str());
#endif
int res = t->Tick(30);
t->CommitAnims(30);
// Make sure this is run even if the call terminates instantly
if (cb)
t->SetCallback(cb, p1, p2);
if (res == -1) {
unsigned int i = 0, argc = t->CheckStack(args.size());
// Retrieve parameter values from stack
for (; i < argc; ++i)
args[i] = t->GetStackVal(i);
// Set erroneous parameters to 0
for (; i < args.size(); ++i)
args[i] = 0;
delete t;
return 0;
}
else {
// It has already added itself to the correct scheduler (global for sleep, or local for anim)
return 1;
}
}
void CCobEngine::Tick(int deltaTime)
{
START_TIME_PROFILE
GCurrentTime += deltaTime;
#if COB_DEBUG > 0
logOutput.Print("----");
#endif
//Advance all running threads
for (list<CCobThread *>::iterator i = running.begin(); i != running.end(); ++i) {
//logOutput.Print("Now 1running %d: %s", GCurrentTime, (*i)->GetName().c_str());
#ifdef _CONSOLE
printf("----\n");
#endif
int res = (*i)->Tick(deltaTime);
(*i)->CommitAnims(deltaTime);
if (res == -1) {
delete *i;
}
}
//A thread can never go from running->running, so clear the list
//note: if preemption was to be added, this would no longer hold
//however, ta scripts can not run preemptively anyway since there isn't any synchronization methods available
running.clear();
//The threads that just ran may have added new threads that should run next tick
for (list<CCobThread *>::iterator i = wantToRun.begin(); i != wantToRun.end(); ++i) {
running.push_front(*i);
}
wantToRun.clear();
//Check on the sleeping threads
if (sleeping.size() > 0) {
CCobThread *cur = sleeping.top();
while ((cur != NULL) && (cur->GetWakeTime() < GCurrentTime)) {
// Start with removing the executing thread from the queue
sleeping.pop();
//Run forward again. This can quite possibly readd the thread to the sleeping array again
//But it will not interfere since it is guaranteed to sleep > 0 ms
//logOutput.Print("Now 2running %d: %s", GCurrentTime, cur->GetName().c_str());
#ifdef _CONSOLE
printf("+++\n");
#endif
if (cur->state == CCobThread::Sleep) {
cur->state = CCobThread::Run;
int res = cur->Tick(deltaTime);
cur->CommitAnims(deltaTime);
if (res == -1)
delete cur;
} else if (cur->state == CCobThread::Dead) {
delete cur;
} else {
logOutput.Print("CobError: Sleeping thread strange state %d", cur->state);
}
if (sleeping.size() > 0)
cur = sleeping.top();
else
cur = NULL;
}
}
//Tick all instances that have registered themselves as animating
list<CCobInstance *>::iterator it = animating.begin();
list<CCobInstance *>::iterator curit;
while (it != animating.end()) {
curit = it++;
if ((*curit)->Tick(deltaTime) == -1)
animating.erase(curit);
}
END_TIME_PROFILE("Scripts");
}
//Returns -1 if this thread is dead and needs to be killed
int CCobThread::Tick(int deltaTime)
{
if (state == Sleep) {
logOutput.Print("CobError: sleeping thread ticked!");
}
if (state == Dead || !owner) {
return -1;
}
state = Run;
GCobEngine.SetCurThread(this);
int r1, r2, r3, r4, r5, r6;
vector<int> args;
CCobThread *thread;
execTrace.clear();
delayedAnims.clear();
//list<int>::iterator ei;
vector<int>::iterator ei;
#if COB_DEBUG > 0
if (COB_DEBUG_FILTER)
logOutput.Print("Executing in %s (from %s)", script.scriptNames[callStack.back().functionId].c_str(), GetName().c_str());
#endif
while (state == Run) {
//int opcode = *(int *)&script.code[PC];
//Disabling exec trace gives about a 50% speedup on vm-intensive code
//execTrace.push_back(PC);
int opcode = GET_LONG_PC();
#if COB_DEBUG > 1
if (COB_DEBUG_FILTER)
logOutput.Print("PC: %x opcode: %x (%s)", PC - 1, opcode, GetOpcodeName(opcode).c_str());
#endif
switch(opcode) {
case PUSH_CONSTANT:
r1 = GET_LONG_PC();
stack.push_back(r1);
break;
case SLEEP:
r1 = POP();
wakeTime = GCurrentTime + r1;
state = Sleep;
GCobEngine.AddThread(this);
GCobEngine.SetCurThread(NULL);
#if COB_DEBUG > 0
if (COB_DEBUG_FILTER)
logOutput.Print("%s sleeping for %d ms", script.scriptNames[callStack.back().functionId].c_str(), r1);
#endif
return 0;
case SPIN:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r3 = POP(); //speed
r4 = POP(); //accel
owner->Spin(r1, r2, r3, r4);
break;
case STOP_SPIN:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r3 = POP(); //decel
//logOutput.Print("Stop spin of %s around %d", script.pieceNames[r1].c_str(), r2);
owner->StopSpin(r1, r2, r3);
break;
case RETURN:
retCode = POP();
if (callStack.back().returnAddr == -1) {
#if COB_DEBUG > 0
if (COB_DEBUG_FILTER)
logOutput.Print("%s returned %d", script.scriptNames[callStack.back().functionId].c_str(), retCode);
#endif
state = Dead;
GCobEngine.SetCurThread(NULL);
//callStack.pop_back();
//Leave values intact on stack in case caller wants to check them
return -1;
}
PC = callStack.back().returnAddr;
while (stack.size() > callStack.back().stackTop) {
stack.pop_back();
}
callStack.pop_back();
#if COB_DEBUG > 0
if (COB_DEBUG_FILTER)
logOutput.Print("Returning to %s", script.scriptNames[callStack.back().functionId].c_str());
#endif
break;
case SHADE:
r1 = GET_LONG_PC();
break;
case DONT_SHADE:
r1 = GET_LONG_PC();
break;
case CACHE:
r1 = GET_LONG_PC();
break;
case DONT_CACHE:
r1 = GET_LONG_PC();
break;
case CALL: {
r1 = GET_LONG_PC();
PC--;
const string& name = script.scriptNames[r1];
if (name.find("lua_") == 0) {
script.code[PC - 1] = LUA_CALL;
LuaCall();
break;
}
script.code[PC - 1] = REAL_CALL;
// fall through //
}
case REAL_CALL:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
if (script.scriptLengths[r1] == 0) {
//logOutput.Print("Preventing call to zero-len script %s", script.scriptNames[r1].c_str());
break;
}
struct callInfo ci;
ci.functionId = r1;
ci.returnAddr = PC;
ci.stackTop = stack.size() - r2;
callStack.push_back(ci);
paramCount = r2;
PC = script.scriptOffsets[r1];
#if COB_DEBUG > 0
if (COB_DEBUG_FILTER)
logOutput.Print("Calling %s", script.scriptNames[r1].c_str());
#endif
break;
case LUA_CALL:
LuaCall();
break;
case POP_STATIC:
r1 = GET_LONG_PC();
r2 = POP();
owner->staticVars[r1] = r2;
//logOutput.Print("Pop static var %d val %d", r1, r2);
break;
case POP_STACK:
POP();
break;
case START:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
if (script.scriptLengths[r1] == 0) {
//logOutput.Print("Preventing start of zero-len script %s", script.scriptNames[r1].c_str());
break;
}
args.clear();
for (r3 = 0; r3 < r2; ++r3) {
r4 = POP();
args.push_back(r4);
}
thread = SAFE_NEW CCobThread(script, owner);
thread->Start(r1, args, true);
//Seems that threads should inherit signal mask from creator
thread->signalMask = signalMask;
#if COB_DEBUG > 0
if (COB_DEBUG_FILTER)
logOutput.Print("Starting %s %d", script.scriptNames[r1].c_str(), signalMask);
#endif
break;
case CREATE_LOCAL_VAR:
if (paramCount == 0) {
stack.push_back(0);
}
else {
paramCount--;
}
break;
case GET_UNIT_VALUE:
r1 = POP();
if ((r1 >= LUA0) && (r1 <= LUA9)) {
stack.push_back(luaArgs[r1 - LUA0]);
break;
}
ForceCommitAllAnims(); // getunitval could possibly read piece locations
r1 = owner->GetUnitVal(r1, 0, 0, 0, 0);
stack.push_back(r1);
break;
case JUMP_NOT_EQUAL:
r1 = GET_LONG_PC();
r2 = POP();
if (r2 == 0) {
PC = r1;
}
break;
case JUMP:
r1 = GET_LONG_PC();
//this seem to be an error in the docs..
//r2 = script.scriptOffsets[callStack.back().functionId] + r1;
PC = r1;
break;
case POP_LOCAL_VAR:
r1 = GET_LONG_PC();
r2 = POP();
stack[callStack.back().stackTop + r1] = r2;
break;
case PUSH_LOCAL_VAR:
r1 = GET_LONG_PC();
r2 = stack[callStack.back().stackTop + r1];
stack.push_back(r2);
break;
case SET_LESS_OR_EQUAL:
r2 = POP();
r1 = POP();
if (r1 <= r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case BITWISE_AND:
r1 = POP();
r2 = POP();
stack.push_back(r1 & r2);
break;
case BITWISE_OR: //seems to want stack contents or'd, result places on stack
r1 = POP();
r2 = POP();
stack.push_back(r1 | r2);
break;
case BITWISE_XOR:
r1 = POP();
r2 = POP();
stack.push_back(r1 ^ r2);
break;
case BITWISE_NOT:
r1 = POP();
stack.push_back(~r1);
break;
case EXPLODE:
r1 = GET_LONG_PC();
r2 = POP();
owner->Explode(r1, r2);
break;
case PLAY_SOUND:
r1 = GET_LONG_PC();
r2 = POP();
owner->PlayUnitSound(r1, r2);
break;
case PUSH_STATIC:
r1 = GET_LONG_PC();
stack.push_back(owner->staticVars[r1]);
//logOutput.Print("Push static %d val %d", r1, owner->staticVars[r1]);
break;
case SET_NOT_EQUAL:
r1 = POP();
r2 = POP();
if (r1 != r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case SET_EQUAL:
r1 = POP();
r2 = POP();
if (r1 == r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case SET_LESS:
r2 = POP();
r1 = POP();
if (r1 < r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case SET_GREATER:
r2 = POP();
r1 = POP();
if (r1 > r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case SET_GREATER_OR_EQUAL:
r2 = POP();
r1 = POP();
if (r1 >= r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case RAND:
r2 = POP();
r1 = POP();
r3 = gs->randInt() % (r2 - r1 + 1) + r1;
stack.push_back(r3);
break;
case EMIT_SFX:
r1 = POP();
r2 = GET_LONG_PC();
owner->EmitSfx(r1, r2);
break;
case MUL:
r1 = POP();
r2 = POP();
stack.push_back(r1 * r2);
break;
case SIGNAL:
r1 = POP();
owner->Signal(r1);
break;
case SET_SIGNAL_MASK:
r1 = POP();
signalMask = r1;
break;
case TURN:
r2 = POP();
r1 = POP();
r3 = GET_LONG_PC();
r4 = GET_LONG_PC();
//logOutput.Print("Turning piece %s axis %d to %d speed %d", script.pieceNames[r3].c_str(), r4, r2, r1);
ForceCommitAnim(1, r3, r4);
owner->Turn(r3, r4, r1, r2);
break;
case GET:
r5 = POP();
r4 = POP();
r3 = POP();
r2 = POP();
r1 = POP();
if ((r1 >= LUA0) && (r1 <= LUA9)) {
stack.push_back(luaArgs[r1 - LUA0]);
break;
}
ForceCommitAllAnims();
r6 = owner->GetUnitVal(r1, r2, r3, r4, r5);
stack.push_back(r6);
break;
case ADD:
r2 = POP();
r1 = POP();
stack.push_back(r1 + r2);
break;
case SUB:
r2 = POP();
r1 = POP();
r3 = r1 - r2;
stack.push_back(r3);
break;
case DIV:
r2 = POP();
r1 = POP();
if (r2 != 0)
r3 = r1 / r2;
else {
r3 = 1000; //infinity!
logOutput.Print("CobError: division by zero");
}
stack.push_back(r3);
break;
case MOD:
r2 = POP();
r1 = POP();
if (r2 != 0)
stack.push_back(r1 % r2);
else {
stack.push_back(0);
logOutput.Print("CobError: modulo division by zero");
}
break;
case MOVE:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r4 = POP();
r3 = POP();
ForceCommitAnim(2, r1, r2);
owner->Move(r1, r2, r3, r4);
break;
case MOVE_NOW:{
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r3 = POP();
if (owner->smoothAnim) {
DelayedAnim a;
a.type = 2;
a.piece = r1;
a.axis = r2;
a.dest = r3;
delayedAnims.push_back(a);
//logOutput.Print("Delayed move %s %d %d", owner->pieces[r1].name.c_str(), r2, r3);
}
else {
owner->MoveNow(r1, r2, r3);
}
break;}
case TURN_NOW:{
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r3 = POP();
if (owner->smoothAnim) {
DelayedAnim a;
a.type = 1;
a.piece = r1;
a.axis = r2;
a.dest = r3;
delayedAnims.push_back(a);
}
else {
owner->TurnNow(r1, r2, r3);
}
break;}
case WAIT_TURN:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
//logOutput.Print("Waiting for turn on piece %s around axis %d", script.pieceNames[r1].c_str(), r2);
if (owner->AddTurnListener(r1, r2, this)) {
state = WaitTurn;
GCobEngine.SetCurThread(NULL);
return 0;
}
else
break;
case WAIT_MOVE:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
//logOutput.Print("Waiting for move on piece %s on axis %d", script.pieceNames[r1].c_str(), r2);
if (owner->AddMoveListener(r1, r2, this)) {
state = WaitMove;
GCobEngine.SetCurThread(NULL);
return 0;
}
break;
case SET:
r2 = POP();
r1 = POP();
//logOutput.Print("Setting unit value %d to %d", r1, r2);
if ((r1 >= LUA0) && (r1 <= LUA9)) {
luaArgs[r1 - LUA0] = r2;
break;
}
owner->SetUnitVal(r1, r2);
break;
case ATTACH:
r3 = POP();
r2 = POP();
r1 = POP();
owner->AttachUnit(r2, r1);
break;
case DROP:
r1 = POP();
owner->DropUnit(r1);
break;
case LOGICAL_NOT: //Like bitwise, but only on values 1 and 0.
r1 = POP();
if (r1 == 0)
stack.push_back(1);
else
stack.push_back(0);
break;
case LOGICAL_AND:
r1 = POP();
r2 = POP();
if (r1 && r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case LOGICAL_OR:
r1 = POP();
r2 = POP();
if (r1 || r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case LOGICAL_XOR:
r1 = POP();
r2 = POP();
if (!!r1 ^ !!r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case HIDE:
r1 = GET_LONG_PC();
owner->SetVisibility(r1, false);
//logOutput.Print("Hiding %d", r1);
break;
case SHOW:{
r1 = GET_LONG_PC();
int i;
for (i = 0; i < COB_MaxWeapons; ++i)
if (callStack.back().functionId == script.scriptIndex[COBFN_FirePrimary + i])
break;
// If true, we are in a Fire-script and should show a special flare effect
if (i < COB_MaxWeapons) {
owner->ShowFlare(r1);
}
else {
owner->SetVisibility(r1, true);
}
//logOutput.Print("Showing %d", r1);
break;}
default:
logOutput.Print("CobError: Unknown opcode %x (in %s:%s at %x)", opcode, script.name.c_str(), script.scriptNames[callStack.back().functionId].c_str(), PC - 1);
logOutput.Print("Exec trace:");
ei = execTrace.begin();
while (ei != execTrace.end()) {
logOutput.Print("PC: %3x opcode: %s", *ei, GetOpcodeName(script.code[*ei]).c_str());
ei++;
}
state = Dead;
GCobEngine.SetCurThread(NULL);
return -1;
break;
}
}
GCobEngine.SetCurThread(NULL);
return 0;
}
bool CCobThread::Tick()
{
if (state == Sleep) {
LOG_L(L_ERROR, "sleeping thread ticked!");
}
if (state == Dead || owner == nullptr) {
return false;
}
state = Run;
int r1, r2, r3, r4, r5, r6;
vector<int> args;
vector<int>::iterator ei;
//execTrace.clear();
//LOG_L(L_DEBUG, "Executing in %s (from %s)", script.scriptNames[callStack.back().functionId].c_str(), GetName().c_str());
while (state == Run) {
//int opcode = *(int*)&script.code[PC];
// Disabling exec trace gives about a 50% speedup on vm-intensive code
//execTrace.push_back(PC);
int opcode = GET_LONG_PC();
//LOG_L(L_DEBUG, "PC: %x opcode: %x (%s)", PC - 1, opcode, GetOpcodeName(opcode).c_str());
switch(opcode) {
case PUSH_CONSTANT:
r1 = GET_LONG_PC();
stack.push_back(r1);
break;
case SLEEP:
r1 = POP();
wakeTime = cobEngine->GetCurrentTime() + r1;
state = Sleep;
cobEngine->AddThread(this);
//LOG_L(L_DEBUG, "%s sleeping for %d ms", script.scriptNames[callStack.back().functionId].c_str(), r1);
return true;
case SPIN:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r3 = POP(); // speed
r4 = POP(); // accel
owner->Spin(r1, r2, r3, r4);
break;
case STOP_SPIN:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r3 = POP(); // decel
//LOG_L(L_DEBUG, "Stop spin of %s around %d", script.pieceNames[r1].c_str(), r2);
owner->StopSpin(r1, r2, r3);
break;
case RETURN:
retCode = POP();
if (callStack.back().returnAddr == -1) {
//LOG_L(L_DEBUG, "%s returned %d", script.scriptNames[callStack.back().functionId].c_str(), retCode);
state = Dead;
//callStack.pop_back();
// Leave values intact on stack in case caller wants to check them
return false;
}
PC = callStack.back().returnAddr;
while (stack.size() > callStack.back().stackTop) {
stack.pop_back();
}
callStack.pop_back();
//LOG_L(L_DEBUG, "Returning to %s", owner->script->scriptNames[callStack.back().functionId].c_str());
break;
case SHADE:
r1 = GET_LONG_PC();
break;
case DONT_SHADE:
r1 = GET_LONG_PC();
break;
case CACHE:
r1 = GET_LONG_PC();
break;
case DONT_CACHE:
r1 = GET_LONG_PC();
break;
case CALL: {
r1 = GET_LONG_PC();
PC--;
const string& name = owner->script->scriptNames[r1];
if (name.find("lua_") == 0) {
owner->script->code[PC - 1] = LUA_CALL;
LuaCall();
break;
}
owner->script->code[PC - 1] = REAL_CALL;
// fall through //
}
case REAL_CALL:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
if (owner->script->scriptLengths[r1] == 0) {
//LOG_L(L_DEBUG, "Preventing call to zero-len script %s", owner->script->scriptNames[r1].c_str());
break;
}
CallInfo ci;
ci.functionId = r1;
ci.returnAddr = PC;
ci.stackTop = stack.size() - r2;
callStack.push_back(ci);
paramCount = r2;
PC = owner->script->scriptOffsets[r1];
//LOG_L(L_DEBUG, "Calling %s", owner->script->scriptNames[r1].c_str());
break;
case LUA_CALL:
LuaCall();
break;
case POP_STATIC:
r1 = GET_LONG_PC();
r2 = POP();
owner->staticVars[r1] = r2;
//LOG_L(L_DEBUG, "Pop static var %d val %d", r1, r2);
break;
case POP_STACK:
POP();
break;
case START: {
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
if (owner->script->scriptLengths[r1] == 0) {
//LOG_L(L_DEBUG, "Preventing start of zero-len script %s", owner->script->scriptNames[r1].c_str());
break;
}
args.clear();
args.reserve(r2);
for (r3 = 0; r3 < r2; ++r3) {
r4 = POP();
args.push_back(r4);
}
CCobThread* thread = new CCobThread(owner);
thread->Start(r1, args, true);
// Seems that threads should inherit signal mask from creator
thread->signalMask = signalMask;
//LOG_L(L_DEBUG, "Starting %s %d", owner->script->scriptNames[r1].c_str(), signalMask);
} break;
case CREATE_LOCAL_VAR:
if (paramCount == 0) {
stack.push_back(0);
} else {
paramCount--;
}
break;
case GET_UNIT_VALUE:
r1 = POP();
if ((r1 >= LUA0) && (r1 <= LUA9)) {
stack.push_back(luaArgs[r1 - LUA0]);
break;
}
r1 = owner->GetUnitVal(r1, 0, 0, 0, 0);
stack.push_back(r1);
break;
case JUMP_NOT_EQUAL:
r1 = GET_LONG_PC();
r2 = POP();
if (r2 == 0) {
PC = r1;
}
break;
case JUMP:
r1 = GET_LONG_PC();
// this seem to be an error in the docs..
//r2 = owner->script->scriptOffsets[callStack.back().functionId] + r1;
PC = r1;
break;
case POP_LOCAL_VAR:
r1 = GET_LONG_PC();
r2 = POP();
stack[callStack.back().stackTop + r1] = r2;
break;
case PUSH_LOCAL_VAR:
r1 = GET_LONG_PC();
r2 = stack[callStack.back().stackTop + r1];
stack.push_back(r2);
break;
case SET_LESS_OR_EQUAL:
r2 = POP();
r1 = POP();
if (r1 <= r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case BITWISE_AND:
r1 = POP();
r2 = POP();
stack.push_back(r1 & r2);
break;
case BITWISE_OR: // seems to want stack contents or'd, result places on stack
r1 = POP();
r2 = POP();
stack.push_back(r1 | r2);
break;
case BITWISE_XOR:
r1 = POP();
r2 = POP();
stack.push_back(r1 ^ r2);
break;
case BITWISE_NOT:
r1 = POP();
stack.push_back(~r1);
break;
case EXPLODE:
r1 = GET_LONG_PC();
r2 = POP();
owner->Explode(r1, r2);
break;
case PLAY_SOUND:
r1 = GET_LONG_PC();
r2 = POP();
owner->PlayUnitSound(r1, r2);
break;
case PUSH_STATIC:
r1 = GET_LONG_PC();
stack.push_back(owner->staticVars[r1]);
//LOG_L(L_DEBUG, "Push static %d val %d", r1, owner->staticVars[r1]);
break;
case SET_NOT_EQUAL:
r1 = POP();
r2 = POP();
if (r1 != r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case SET_EQUAL:
r1 = POP();
r2 = POP();
if (r1 == r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case SET_LESS:
r2 = POP();
r1 = POP();
if (r1 < r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case SET_GREATER:
r2 = POP();
r1 = POP();
if (r1 > r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case SET_GREATER_OR_EQUAL:
r2 = POP();
r1 = POP();
if (r1 >= r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case RAND:
r2 = POP();
r1 = POP();
r3 = gs->randInt() % (r2 - r1 + 1) + r1;
stack.push_back(r3);
break;
case EMIT_SFX:
r1 = POP();
r2 = GET_LONG_PC();
owner->EmitSfx(r1, r2);
break;
case MUL:
r1 = POP();
r2 = POP();
stack.push_back(r1 * r2);
break;
case SIGNAL:
r1 = POP();
owner->Signal(r1);
break;
case SET_SIGNAL_MASK:
r1 = POP();
signalMask = r1;
break;
case TURN:
r2 = POP();
r1 = POP();
r3 = GET_LONG_PC();
r4 = GET_LONG_PC();
//LOG_L(L_DEBUG, "Turning piece %s axis %d to %d speed %d", owner->script->pieceNames[r3].c_str(), r4, r2, r1);
owner->Turn(r3, r4, r1, r2);
break;
case GET:
r5 = POP();
r4 = POP();
r3 = POP();
r2 = POP();
r1 = POP();
if ((r1 >= LUA0) && (r1 <= LUA9)) {
stack.push_back(luaArgs[r1 - LUA0]);
break;
}
r6 = owner->GetUnitVal(r1, r2, r3, r4, r5);
stack.push_back(r6);
break;
case ADD:
r2 = POP();
r1 = POP();
stack.push_back(r1 + r2);
break;
case SUB:
r2 = POP();
r1 = POP();
r3 = r1 - r2;
stack.push_back(r3);
break;
case DIV:
r2 = POP();
r1 = POP();
if (r2 != 0)
r3 = r1 / r2;
else {
r3 = 1000; // infinity!
ShowError("division by zero");
}
stack.push_back(r3);
break;
case MOD:
r2 = POP();
r1 = POP();
if (r2 != 0)
stack.push_back(r1 % r2);
else {
stack.push_back(0);
ShowError("modulo division by zero");
}
break;
case MOVE:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r4 = POP();
r3 = POP();
owner->Move(r1, r2, r3, r4);
break;
case MOVE_NOW:{
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r3 = POP();
owner->MoveNow(r1, r2, r3);
break;}
case TURN_NOW:{
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
r3 = POP();
owner->TurnNow(r1, r2, r3);
break;}
case WAIT_TURN:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
//LOG_L(L_DEBUG, "Waiting for turn on piece %s around axis %d", owner->script->pieceNames[r1].c_str(), r2);
if (owner->NeedsWait(CCobInstance::ATurn, r1, r2)) {
state = WaitTurn;
waitPiece = r1;
waitAxis = r2;
return true;
}
else
break;
case WAIT_MOVE:
r1 = GET_LONG_PC();
r2 = GET_LONG_PC();
//LOG_L(L_DEBUG, "Waiting for move on piece %s on axis %d", owner->script->pieceNames[r1].c_str(), r2);
if (owner->NeedsWait(CCobInstance::AMove, r1, r2)) {
state = WaitMove;
waitPiece = r1;
waitAxis = r2;
return true;
}
break;
case SET:
r2 = POP();
r1 = POP();
//LOG_L(L_DEBUG, "Setting unit value %d to %d", r1, r2);
if ((r1 >= LUA0) && (r1 <= LUA9)) {
luaArgs[r1 - LUA0] = r2;
break;
}
owner->SetUnitVal(r1, r2);
break;
case ATTACH:
r3 = POP();
r2 = POP();
r1 = POP();
owner->AttachUnit(r2, r1);
break;
case DROP:
r1 = POP();
owner->DropUnit(r1);
break;
case LOGICAL_NOT: // Like bitwise, but only on values 1 and 0.
r1 = POP();
if (r1 == 0)
stack.push_back(1);
else
stack.push_back(0);
break;
case LOGICAL_AND:
r1 = POP();
r2 = POP();
if (r1 && r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case LOGICAL_OR:
r1 = POP();
r2 = POP();
if (r1 || r2)
stack.push_back(1);
else
stack.push_back(0);
break;
case LOGICAL_XOR:
r1 = POP();
r2 = POP();
if ( (!!r1) ^ (!!r2))
stack.push_back(1);
else
stack.push_back(0);
break;
case HIDE:
r1 = GET_LONG_PC();
owner->SetVisibility(r1, false);
//LOG_L(L_DEBUG, "Hiding %d", r1);
break;
case SHOW:{
r1 = GET_LONG_PC();
int i;
for (i = 0; i < MAX_WEAPONS_PER_UNIT; ++i)
if (callStack.back().functionId == owner->script->scriptIndex[COBFN_FirePrimary + COBFN_Weapon_Funcs * i])
break;
// If true, we are in a Fire-script and should show a special flare effect
if (i < MAX_WEAPONS_PER_UNIT) {
owner->ShowFlare(r1);
}
else {
owner->SetVisibility(r1, true);
}
//LOG_L(L_DEBUG, "Showing %d", r1);
break;}
default:
LOG_L(L_ERROR, "Unknown opcode %x (in %s:%s at %x)",
opcode, owner->script->name.c_str(),
owner->script->scriptNames[callStack.back().functionId].c_str(),
PC - 1);
LOG_L(L_ERROR, "Exec trace:");
// ei = execTrace.begin();
// while (ei != execTrace.end()) {
// LOG_L(L_ERROR, "PC: %3x opcode: %s", *ei, GetOpcodeName(owner->script->code[*ei]).c_str());
// ++ei;
// }
state = Dead;
return false;
}
}
return (state != Dead); // can arrive here as dead, through CCobInstance::Signal()
}