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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.
*
*/
#ifndef DIRECTOR_LINGO_LINGO_H
#define DIRECTOR_LINGO_LINGO_H
#include "common/debug.h"
#include "common/hashmap.h"
#include "common/hash-str.h"
#include "audio/audiostream.h"
#include "common/str.h"
#include "engines/director/director.h"
#include "engines/director/score.h"
namespace Director {
enum LEvent {
kEventPrepareMovie,
kEventStartMovie,
kEventStopMovie,
kEventNew,
kEventBeginSprite,
kEventEndSprite,
kEventNone,
kEventEnterFrame,
kEventPrepareFrame,
kEventIdle,
kEventStepFrame,
kEventExitFrame,
kEventActivateWindow,
kEventDeactivateWindow,
kEventMoveWindow,
kEventResizeWindow,
kEventOpenWindow,
kEventCloseWindow,
kEventKeyUp,
kEventKeyDown,
kEventMouseUp,
kEventMouseDown,
kEventRightMouseUp,
kEventRightMouseDown,
kEventMouseEnter,
kEventMouseLeave,
kEventMouseUpOutSide,
kEventMouseWithin,
kEventStart
};
typedef void (*inst)(void);
#define STOP (inst)0
typedef struct Symbol { /* symbol table entry */
char *name;
long type;
union {
int val; /* VAR */
float fval; /* FLOAT */
inst *defn; /* FUNCTION, PROCEDURE */
char *str; /* STRING */
} u;
Symbol();
} Symbol;
typedef union Datum { /* interpreter stack type */
int val;
Symbol *sym;
Datum() { val = 0; sym = NULL; }
} Datum;
typedef Common::Array<inst> ScriptData;
typedef Common::HashMap<int32, ScriptData *> ScriptHash;
typedef Common::Array<Datum> StackData;
class Lingo {
public:
Lingo(DirectorEngine *vm);
~Lingo();
void addCode(Common::String code, ScriptType type, uint16 id);
void executeScript(ScriptType type, uint16 id);
void processEvent(LEvent event, int entityId);
int code1(inst code) { _currentScript->push_back(code); return _currentScript->size() - 1; }
int code2(inst code_1, inst code_2) { code1(code_1); return code1(code_2); }
int code3(inst code_1, inst code_2, inst code_3) { code1(code_1); code1(code_2); return code1(code_3); }
int codeString(const char *s);
int calcStringAlignment(const char *s) {
int instLen = sizeof(inst);
int l = strlen(s); return (l + 1 + instLen - 1) / instLen;
}
public:
void execute(int pc);
static void func_xpop();
static void func_printtop();
static void func_add();
static void func_sub();
static void func_mul();
static void func_div();
static void func_negate();
static void func_constpush();
static void func_varpush();
static void func_assign();
bool verify(Symbol *s);
static void func_eval();
static void func_ifcode();
static void func_eq();
static void func_neq();
static void func_gt();
static void func_lt();
static void func_ge();
static void func_le();
static void func_mci();
static void func_mciwait();
static void func_goto();
static void func_gotoloop();
static void func_gotonext();
static void func_gotoprevious();
void exec_mci(Common::String &s);
void exec_mciwait(Common::String &s);
void exec_goto(Common::String &frame, Common::String &movie);
public:
ScriptData *_currentScript;
private:
int parse(const char *code);
void push(Datum d);
Datum pop(void);
Common::HashMap<uint32, const char *> _eventHandlerTypes;
Common::HashMap<Common::String, Audio::AudioStream *> _audioAliases;
ScriptHash _scripts[kMaxScriptType + 1];
Common::HashMap<Common::String, Symbol *, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> _vars;
int _pc;
StackData _stack;
DirectorEngine *_vm;
};
extern Lingo *g_lingo;
} // End of namespace Director
#endif
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