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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 "director/lingo/lingo.h"
#include "director/lingo/lingo-gr.h"
namespace Director {
Lingo *g_lingo;
struct EventHandlerType {
LEvent handler;
const char *name;
} static const eventHanlerDescs[] = {
{ kEventPrepareMovie, "prepareMovie" },
{ kEventStartMovie, "startMovie" },
{ kEventStopMovie, "stopMovie" },
{ kEventNew, "newSprite" },
{ kEventBeginSprite, "beginSprite" },
{ kEventEndSprite, "endSprite" },
{ kEventEnterFrame, "enterFrame" },
{ kEventPrepareFrame, "prepareFrame" },
{ kEventIdle, "idle" },
{ kEventStepFrame, "stepFrame"},
{ kEventExitFrame, "exitFrame" },
{ kEventActivateWindow, "activateWindow" },
{ kEventDeactivateWindow, "deactivateWindow" },
{ kEventMoveWindow, "moveWindow" },
{ kEventResizeWindow, "resizeWindow" },
{ kEventOpenWindow, "openWindow" },
{ kEventCloseWindow, "closeWindow" },
{ kEventStart, "start" },
{ kEventKeyUp, "keyUp" },
{ kEventKeyDown, "keyDown" },
{ kEventMouseUp, "mouseUp" },
{ kEventMouseDown, "mouseDown" },
{ kEventRightMouseDown, "rightMouseDown" },
{ kEventRightMouseUp, "rightMouseUp" },
{ kEventMouseEnter, "mouseEnter" },
{ kEventMouseLeave, "mouseLeave" },
{ kEventMouseUpOutSide, "mouseUpOutSide" },
{ kEventMouseWithin, "mouseWithin" },
{ kEventNone, 0 },
};
Symbol::Symbol() {
name = NULL;
type = VOID;
u.s = NULL;
nargs = 0;
global = false;
}
Lingo::Lingo(DirectorEngine *vm) : _vm(vm) {
g_lingo = this;
for (const EventHandlerType *t = &eventHanlerDescs[0]; t->handler != kEventNone; ++t)
_eventHandlerTypes[t->handler] = t->name;
initBuiltIns();
_currentScript = 0;
_currentScriptType = kMovieScript;
_pc = 0;
_returning = false;
_indef = false;
_linenumber = _colnumber = 0;
warning("Lingo Inited");
}
Lingo::~Lingo() {
}
void Lingo::addCode(Common::String code, ScriptType type, uint16 id) {
code += '\n';
debug(2, "Add code \"%s\" for type %d with id %d", code.c_str(), type, id);
if (_scripts[type].contains(id)) {
delete _scripts[type][id];
}
_currentScript = new ScriptData;
_currentScriptType = type;
_scripts[type][id] = _currentScript;
_linenumber = _colnumber = 1;
// macros have conflicting grammar. Thus we ease life for the parser.
if (code.contains("\nmacro ")) {
const char *begin = strstr(code.c_str(), "\nmacro ") + 1;
const char *end;
bool first = true;
while ((end = strstr(begin, "\nmacro "))) {
if (first) {
begin = code.c_str();
first = false;
}
Common::String chunk(begin, end);
parse(chunk.c_str());
_currentScript->clear();
begin = end + 1;
}
parse(begin);
} else {
parse(code.c_str());
code1(STOP);
}
Common::hexdump((byte *)&_currentScript->front(), _currentScript->size() * sizeof(inst));
}
void Lingo::executeScript(ScriptType type, uint16 id) {
if (!_scripts[type].contains(id)) {
warning("Request to execute non-existant script type %d id %d", type, id);
return;
}
_currentScript = _scripts[type][id];
_pc = 0;
_returning = false;
_localvars = new SymbolHash;
execute(_pc);
cleanLocalVars();
}
void Lingo::processEvent(LEvent event, int entityId) {
if (!_eventHandlerTypes.contains(event))
error("processEvent: Unknown event %d for entity %d", event, entityId);
debug(2, "processEvent(%s) for %d", _eventHandlerTypes[event], entityId);
}
int Lingo::alignTypes(Datum &d1, Datum &d2) {
int opType = INT;
if (d1.type == FLOAT || d2.type == FLOAT) {
opType = FLOAT;
d1.toFloat();
d2.toFloat();
}
return opType;
}
int Datum::toInt() {
switch (type) {
case INT:
// no-op
break;
case FLOAT:
u.i = (int)u.f;
type = INT;
break;
default:
warning("Incorrect operation toInt() for type: %d", type);
}
return u.i;
}
float Datum::toFloat() {
switch (type) {
case INT:
u.f = (float)u.i;
type = FLOAT;
break;
case FLOAT:
// no-op
break;
default:
warning("Incorrect operation toFloat() for type: %d", type);
}
return u.f;
}
Common::String *Datum::toString() {
Common::String *s = new Common::String;
switch (type) {
case INT:
s->format("%d", u.i);
break;
case FLOAT:
s->format("%f", u.f);
break;
case STRING:
delete s;
s = u.s;
default:
warning("Incorrect operation toInt() for type: %d", type);
}
u.s = s;
type = STRING;
return u.s;
}
} // End of namespace Director
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