57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
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/*
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** The contents of this file are subject to the Mozilla Public License
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** Version 1.1 (the "License"); you may not use this file except in compliance
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** with the License. You may obtain a copy of the License at
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** http://www.mozilla.org/MPL/
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**
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** Software distributed under the License is distributed on an "AS IS" basis,
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** WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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** the specific language governing rights and limitations under the License.
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*/
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#ifndef __WALL_H__
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#define __WALL_H__
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#include "polygon.h"
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#include "object.h"
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#include "matrix.h"
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#include "defs.h"
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typedef struct
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{
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// Persistent Variables. Moving these variables will break the file format!
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WORD sid , _sid;
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WORD next, _next;
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WORD port, _port;
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LONG x, y;
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SURFACE surface;
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int reserved;
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// Calculated variables. These variables are not saved out to a file.
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VERTEX top;
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VERTEX bot;
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VERTEX mid;
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VERTEX poly[4];
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LONG dx, dy;
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LONG visible;
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LONG frame;
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LONG length;
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LONG distance;
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} WALL;
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int wall_create(int sid);
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void wall_extrude(int wid, POLYGON polygon);
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void wall_transform(int wid, MATRIX matrix);
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int walls_linked(int w1, int w2);
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int walls_touch(int w1, int w2);
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void wall_normal(int wid, int* x, int* y);
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int wall_segment(VECTOR poly[], int w1, int w2);
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void wall_line(int wid, int* x1, int* y1, int* x2, int* y2);
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int wall_is_visible(int wid, int x, int y);
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POINT wall_closest_point(int wid, int x, int y);
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#endif
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