114 lines
3.9 KiB
C
114 lines
3.9 KiB
C
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef ULTIMA8_WORLD_LOOPSCRIPT_H
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#define ULTIMA8_WORLD_LOOPSCRIPT_H
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// Script Tokens
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#define LS_TOKEN_AND '&'
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#define LS_TOKEN_OR '+'
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#define LS_TOKEN_NOT '!'
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#define LS_TOKEN_EQUAL '='
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#define LS_TOKEN_GREATER '>'
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#define LS_TOKEN_LESS '<'
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#define LS_TOKEN_GEQUAL ']'
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#define LS_TOKEN_LEQUAL '['
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#define LS_TOKEN_INT '%'
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#define LS_TOKEN_TRUE 1
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#define LS_TOKEN_FALSE 0
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#define LS_TOKEN_NPCNUM '#'
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#define LS_TOKEN_STATUS '?'
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#define LS_TOKEN_Q '*'
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#define LS_TOKEN_FAMILY ':'
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#define LS_TOKEN_SHAPE '@'
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#define LS_TOKEN_FRAME '`'
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#define LS_TOKEN_END '$'
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//
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// Generating Loopscripts aka Abusing the C Preprocessor
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//
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//
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// Highlevel Function Like Scripts
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//
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// Usage:
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//
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// LOOPSCRIPT(script, LS_AND(LS_SHAPE_EQUAL(73), LS_Q_EQUAL(4)));
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//
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//
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// Tokenized Scripts
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//
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// Usage:
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//
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// const uint8 script[] = {
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// LS_TOKEN_SHAPE,
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// LS_TOKEN_INT,
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// LS_CONSTANT(73),
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// LS_TOKEN_EQUAL,
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// LS_TOKEN_Q,
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// LS_TOKEN_INT,
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// LS_CONSTANT(4),
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// LS_TOKEN_EQUAL,
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// LS_TOKEN_AND,
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// LS_TOKEN_END
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// };
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//
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#define LOOPSCRIPT(name,tokens) const uint8 name[] = { tokens, LS_TOKEN_END }
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#define LS_CONSTANT(val) ((uint8)(val)), ((uint8)((val)>>8))
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#define LS_INT(val) LS_TOKEN_INT, LS_CONSTANT(val)
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#define LS_OP(left, op, right) left, right, op
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#define LS_NOT(left) left, LS_TOKEN_NOT
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#define LS_AND(left,right) left, right, LS_TOKEN_AND
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#define LS_OR(left,right) left, right, LS_TOKEN_OR
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#define LS_EQUAL(left,right) left, right, LS_TOKEN_EQUAL
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#define LS_LEQUAL(left,right) left, right, LS_TOKEN_LEQUAL
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#define LS_GEQUAL(left,right) left, right, LS_TOKEN_GEQUAL
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#define LS_LESS(left,right) left, right, LS_TOKEN_LESS
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#define LS_GREATER(left,right) left, right, LS_TOKEN_GREATER
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#define LS_FAMILY_EQUAL(val) LS_EQUAL(LS_TOKEN_FAMILY,LS_INT(val))
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#define LS_NPCNUM_EQUAL(val) LS_EQUAL(LS_TOKEN_NPCNUM,LS_INT(val))
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#define LS_STATUS_EQUAL(val) LS_EQUAL(LS_TOKEN_STATUS,LS_INT(val))
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#define LS_Q_EQUAL(val) LS_EQUAL(LS_TOKEN_Q,LS_INT(val))
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#define LS_SHAPE_EQUAL(val) LS_EQUAL(LS_TOKEN_SHAPE,LS_INT(val))
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#define LS_SHAPE_EQUAL1(a) LS_TOKEN_SHAPE+1, LS_CONSTANT(a)
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#define LS_SHAPE_EQUAL2(a,b) LS_TOKEN_SHAPE+2, LS_CONSTANT(a), LS_CONSTANT(b)
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#define LS_SHAPE_EQUAL3(a,b,c) LS_TOKEN_SHAPE+3, LS_CONSTANT(a), LS_CONSTANT(b), LS_CONSTANT(c)
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#define LS_SHAPE_EQUAL4(a,b,c,d) LS_TOKEN_SHAPE+4, LS_CONSTANT(a), LS_CONSTANT(b), LS_CONSTANT(c), LS_CONSTANT(d)
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#define LS_FRAME_EQUAL(val) LS_EQUAL(LS_TOKEN_FRAME,LS_INT(val))
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#define LS_FRAME_EQUAL1(a) LS_TOKEN_FRAME+1, LS_CONSTANT(a)
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#define LS_FRAME_EQUAL2(a,b) LS_TOKEN_FRAME+2, LS_CONSTANT(a), LS_CONSTANT(b)
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#define LS_FRAME_EQUAL3(a,b,c) LS_TOKEN_FRAME+3, LS_CONSTANT(a), LS_CONSTANT(b), LS_CONSTANT(c)
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#define LS_FRAME_EQUAL4(a,b,c,d) LS_TOKEN_FRAME+4, LS_CONSTANT(a), LS_CONSTANT(b), LS_CONSTANT(c), LS_CONSTANT(d)
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#endif
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