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Diffstat (limited to 'engines/wage/script.h')
-rw-r--r-- | engines/wage/script.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/engines/wage/script.h b/engines/wage/script.h new file mode 100644 index 0000000000..de9476228c --- /dev/null +++ b/engines/wage/script.h @@ -0,0 +1,161 @@ +/* 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. + * + * MIT License: + * + * Copyright (c) 2009 Alexei Svitkine, Eugene Sandulenko + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef WAGE_SCRIPT_H +#define WAGE_SCRIPT_H + +namespace Wage { + +class Script { +public: + Script(Common::SeekableReadStream *data); + ~Script(); + +private: + Common::SeekableReadStream *_data; + + WageEngine *_engine; + World *_world; + int _loopCount; + Common::String *_inputText; + Designed *_inputClick; + bool _handled; + + class Operand { + public: + union { + Obj *obj; + Chr *chr; + Designed *designed; + Scene *scene; + int16 number; + Common::String *string; + Designed *inputClick; + } _value; + OperandType _type; + + Operand(Obj *value, OperandType type) { + _value.obj = value; + assert(type == OBJ); + _type = type; + } + + Operand(Chr *value, OperandType type) { + _value.chr = value; + assert(type == CHR); + _type = type; + } + + Operand(Scene *value, OperandType type) { + _value.scene = value; + assert(type == SCENE); + _type = type; + } + + Operand(int value, OperandType type) { + _value.number = value; + assert(type == NUMBER); + _type = type; + } + + Operand(Common::String *value, OperandType type) { + _value.string = value; + assert(type == STRING || type == TEXT_INPUT); + _type = type; + } + + Operand(Designed *value, OperandType type) { + _value.inputClick = value; + assert(type == CLICK_INPUT); + _type = type; + } + + ~Operand() { + if (_type == STRING) + delete _value.string; + } + + Common::String toString(); + }; + + struct ScriptText { + int offset; + Common::String line; + }; + +public: + void print(); + void printLine(int offset); + bool execute(World *world, int loopCount, Common::String *inputText, Designed *inputClick, WageEngine *engine); + +private: + Operand *readOperand(); + Operand *readStringOperand(); + const char *readOperator(); + void processIf(); + void skipBlock(); + void skipIf(); + bool compare(Operand *o1, Operand *o2, int comparator); + bool eval(Operand *lhs, const char *op, Operand *rhs); + bool evaluatePair(Operand *lhs, const char *op, Operand *rhs); + Operand *convertOperand(Operand *operand, int type); + bool evalClickCondition(Operand *lhs, const char *op, Operand *rhs); + bool evalClickEquality(Operand *lhs, Operand *rhs, bool partialMatch); + void processMove(); + void processLet(); + + void assign(byte operandType, int uservar, uint16 value); + + void convertToText(); + +public: + Common::Array<ScriptText *> _scriptText; +}; + +} // End of namespace Wage + +#endif |