1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/* 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.
*
* $URL$
* $Id$
*
*/
#ifndef DRACI_SCRIPT_H
#define DRACI_SCRIPT_H
#include "common/array.h"
#include "common/stream.h"
namespace Common {
class MemoryReadStream;
}
namespace Draci {
enum {
/** The maximum number of parameters for a GPL command */
kMaxParams = 3,
kNumCommands = 55
};
class DraciEngine;
class Script;
typedef void (Script::*GPLHandler)(const Common::Array<int> &);
typedef int (Script::*GPLOperatorHandler)(int, int) const;
typedef int (Script::*GPLFunctionHandler)(int) const;
/**
* Represents a single command in the GPL scripting language bytecode.
* Each command is represented in the bytecode by a command number and a
* subnumber.
*/
enum GPL2ParameterType {
kGPL2Num = 1,
kGPL2Str = 2,
kGPL2Ident = 3,
kGPL2Math = 4
};
struct GPL2Command {
byte _number;
byte _subNumber;
const char *_name;
uint16 _numParams;
GPL2ParameterType _paramTypes[kMaxParams];
GPLHandler _handler;
};
struct GPL2Operator {
GPLOperatorHandler _handler;
const char *_name;
};
struct GPL2Function {
GPLFunctionHandler _handler;
const char *_name;
};
/**
* A convenience data type that holds both the actual bytecode and the
* length of the bytecode. Passed to Script::run().
*/
struct GPL2Program {
GPL2Program() : _bytecode(NULL), _length(0) {}
byte *_bytecode;
uint16 _length;
};
class Animation;
class GameObject;
class Script {
public:
Script(DraciEngine *vm) : _vm(vm), _jump(0), _endProgram(false) { setupCommandList(); };
void run(const GPL2Program &program, uint16 offset);
void runWrapper(const GPL2Program &program, uint16 offset, bool disableCursor, bool releaseAnims);
bool testExpression(const GPL2Program &program, uint16 offset) const;
void endCurrentProgram(bool value) { _endProgram = value; }
bool shouldEndProgram() const { return _endProgram; }
private:
int _jump;
bool _endProgram;
/** List of all GPL commands. Initialised in the constructor. */
const GPL2Command *_commandList;
const GPL2Operator *_operatorList;
const GPL2Function *_functionList;
void c_If(const Common::Array<int> ¶ms);
void c_Goto(const Common::Array<int> ¶ms);
void c_Let(const Common::Array<int> ¶ms);
void load(const Common::Array<int> ¶ms);
void start(const Common::Array<int> ¶ms);
void loadMusic(const Common::Array<int> ¶ms);
void startMusic(const Common::Array<int> ¶ms);
void stopMusic(const Common::Array<int> ¶ms);
void mark(const Common::Array<int> ¶ms);
void release(const Common::Array<int> ¶ms);
void icoStat(const Common::Array<int> ¶ms);
void objStat(const Common::Array<int> ¶ms);
void objStatOn(const Common::Array<int> ¶ms);
void execInit(const Common::Array<int> ¶ms);
void execLook(const Common::Array<int> ¶ms);
void execUse(const Common::Array<int> ¶ms);
void stayOn(const Common::Array<int> ¶ms);
void walkOn(const Common::Array<int> ¶ms);
void walkOnPlay(const Common::Array<int> ¶ms);
void play(const Common::Array<int> ¶ms);
void startPlay(const Common::Array<int> ¶ms);
void justTalk(const Common::Array<int> ¶ms);
void justStay(const Common::Array<int> ¶ms);
void newRoom(const Common::Array<int> ¶ms);
void talk(const Common::Array<int> ¶ms);
void loadMap(const Common::Array<int> ¶ms);
void roomMap(const Common::Array<int> ¶ms);
void disableQuickHero(const Common::Array<int> ¶ms);
void enableQuickHero(const Common::Array<int> ¶ms);
void disableSpeedText(const Common::Array<int> ¶ms);
void enableSpeedText(const Common::Array<int> ¶ms);
void dialogue(const Common::Array<int> ¶ms);
void exitDialogue(const Common::Array<int> ¶ms);
void resetDialogue(const Common::Array<int> ¶ms);
void resetDialogueFrom(const Common::Array<int> ¶ms);
void resetBlock(const Common::Array<int> ¶ms);
void setPalette(const Common::Array<int> ¶ms);
void blackPalette(const Common::Array<int> ¶ms);
void fadePalette(const Common::Array<int> ¶ms);
void fadePalettePlay(const Common::Array<int> ¶ms);
void loadPalette(const Common::Array<int> ¶ms);
void quitGame(const Common::Array<int> ¶ms);
void pushNewRoom(const Common::Array<int> ¶ms);
void popNewRoom(const Common::Array<int> ¶ms);
int operAnd(int op1, int op2) const;
int operOr(int op1, int op2) const;
int operXor(int op1, int op2) const;
int operSub(int op1, int op2) const;
int operAdd(int op1, int op2) const;
int operDiv(int op1, int op2) const;
int operMul(int op1, int op2) const;
int operEqual(int op1, int op2) const;
int operNotEqual(int op1, int op2) const;
int operGreater(int op1, int op2) const;
int operLess(int op1, int op2) const;
int operGreaterOrEqual(int op1, int op2) const;
int operLessOrEqual(int op1, int op2) const;
int operMod(int op1, int op2) const;
int funcRandom(int n) const;
int funcNot(int n) const;
int funcIsIcoOn(int iconID) const;
int funcIcoStat(int iconID) const;
int funcActIco(int iconID) const;
int funcIsIcoAct(int iconID) const;
int funcIsObjOn(int objID) const;
int funcIsObjOff(int objID) const;
int funcIsObjAway(int objID) const;
int funcActPhase(int objID) const;
int funcObjStat(int objID) const;
int funcLastBlock(int blockID) const;
int funcAtBegin(int yesno) const;
int funcBlockVar(int blockID) const;
int funcHasBeen(int blockID) const;
int funcMaxLine(int lines) const;
void setupCommandList();
const GPL2Command *findCommand(byte num, byte subnum) const;
int handleMathExpression(Common::MemoryReadStream *reader) const;
DraciEngine *_vm;
};
} // End of namespace Draci
#endif // DRACI_SCRIPT_H
|
