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/*
This file controls those nasty chopping devices that hew up the landscape
Copyright, 2003 Caleb Moore
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "slicer.h"
#include "graphics.h"
static unsigned int hpic;
static unsigned int vpic;
static unsigned int vtend;
static unsigned int vbend;
static unsigned int hlend;
static unsigned int hrend;
static unsigned int lhpic;
static unsigned int lvpic;
static unsigned int lvtend;
static unsigned int lvbend;
static unsigned int lhlend;
static unsigned int lhrend;
static bool inited;
slicer::slicer()
{
done = 0;
size1 = 0;
size2 = 0;
width = 10;
cuttime = 0;
}
slicer::slicer(point c, float s, char d, int lazerish)
{
done = 0;
size1 = 0;
width = 10;
size2 = 0;
speed = s;
direction = d;
center = c;
lazerset = lazerish;
slicer();
}
void slicer::update(float amount)
{
size1 += speed * amount;
size2 += speed * amount;
if (direction == 'h' && lazerset == 0)
{
if (center.x - size1 < boundary->leftx)
size1 = center.x - boundary->leftx;
if (center.x + size2 > boundary->rightx)
size2 = boundary->rightx - center.x;
if (center.x - size1 == boundary->leftx &&
center.x + size2 == boundary->rightx)
done = 1;
}
if (direction == 'v' && lazerset == 0)
{
if (center.y - size1 < boundary->topy)
size1 = center.y - boundary->topy;
if (center.y + size2 > boundary->bottomy)
size2 = boundary->bottomy - center.y;
if (center.y - size1 == boundary->topy &&
center.y + size2 == boundary->bottomy)
done = 1;
}
if (direction == 'h' && lazerset == 1)
{
cuttime += amount;
size1 = center.x - boundary->leftx;
size2 = boundary->rightx - center.x;
if (cuttime > 20)
done = 1;
}
if (direction == 'v' && lazerset == 1)
{
cuttime += amount;
size1 = center.y - boundary->topy;
size2 = boundary->bottomy - center.y;
if (cuttime > 20)
done = 1;
}
}
void slicer::display()
{
if (done)
return;
//if the bitmaps for the chopper have not been loaded, load them
if (!inited)
{
inited = 1;
hpic = load_bmp("knifeh.bmp");
vpic = load_bmp("knifev.bmp");
vtend = load_bmp("knifevtt.bmp");
vbend = load_bmp("knifevbt.bmp");
hlend = load_bmp("knifehlt.bmp");
hrend = load_bmp("knifehrt.bmp");
lhpic = load_bmp("lazerh.bmp");
lvpic = load_bmp("lazerv.bmp");
lvtend = load_bmp("lazervtt.bmp");
lvbend = load_bmp("lazervbt.bmp");
lhlend = load_bmp("lazerhlt.bmp");
lhrend = load_bmp("lazerhrt.bmp");
}
int isize = int(size1);
int sections = isize / 10 - 1;
for (int i = 0; i < sections; i++)
{
if (direction == 'h' && lazerset == 0)
display_bmp(hpic, center.x - i * 10, center.y - width / 2);
if (direction == 'v' && lazerset == 0)
display_bmp(vpic, center.x - width / 2, center.y - i * 10);
if (direction == 'h' && lazerset == 1)
display_bmp(lhpic, center.x - i * 10, center.y - width / 2);
if (direction == 'v' && lazerset == 1)
display_bmp(lvpic, center.x - width / 2, center.y - i * 10);
}
isize = int(size2);
sections = isize / 10 - 1;
for (int i = 0; i < sections; i++)
{
if (direction == 'h' && lazerset == 0)
display_bmp(hpic, center.x + i * 10, center.y - width / 2);
if (direction == 'v' && lazerset == 0)
display_bmp(vpic, center.x - width / 2, center.y + i * 10);
if (direction == 'h' && lazerset == 1)
display_bmp(lhpic, center.x + i * 10, center.y - width / 2);
if (direction == 'v' && lazerset == 1)
display_bmp(lvpic, center.x - width / 2, center.y + i * 10);
}
//draws the blade ends
if (size2 + size1 > 40)
{
if (direction == 'h' && lazerset == 0)
{
display_bmp(hlend, center.x - int(size1), center.y - width / 2);
display_bmp(hrend, center.x + int(size2) - 30, center.y - width / 2);
}
if (direction == 'v' && lazerset == 0)
{
display_bmp(vtend, center.x - width / 2, center.y - int(size1));
display_bmp(vbend, center.x - width / 2, center.y + int(size2) - 30);
}
if (direction == 'h' && lazerset == 1)
{
display_bmp(lhlend, center.x - int(size1), center.y - width / 2);
display_bmp(lhrend, center.x + int(size2) - 30, center.y - width / 2);
}
if (direction == 'v' && lazerset == 1)
{
display_bmp(lvtend, center.x - width / 2, center.y - int(size1));
display_bmp(lvbend, center.x - width / 2, center.y + int(size2) - 30);
}
}
}
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