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/* xsoldier, a shoot 'em up game with "not shooting" bonus
* Copyright (C) 1997 Yuusuke HASHIMOTO <s945750@educ.info.kanagawa-u.ac.jp>
* Copyright (C) 2002 Oohara Yuuma <oohara@libra.interq.or.jp>
*
* This is a copyleft program. See the file LICENSE for details.
*/
/* $Id: common.c,v 1.4 2002/04/29 03:38:41 oohara Exp $ */
/*
#include <X11/Xlib.h>
#include <X11/xpm.h>
*/
/* abs */
#include <stdlib.h>
#include "image.h"
#include "xsoldier.h"
#include "common.h"
#include "callback.h"
#include "extern.h"
#include "sin.h"
void NewBomb(int x, int y)
{
int i;
if (manage->EnemyNum >= manage->EnemyMax)
return;
for (i=1; i<manage->EnemyMax; i++)
{
if (manage->enemy[i]->Data.used == False)
{
manage->Bomb.Data.X = x;
manage->Bomb.Data.Y = y;
manage->enemy[i]->Data = manage->Bomb.Data;
manage->enemy[i]->Grp = manage->Bomb.Grp;
manage->enemy[i]->Action = BombAct;
manage->enemy[i]->Realize = DrawImage;
manage->enemy[i]->Hit = NullHit;
manage->EnemyNum++;
return;
}
}
}
void NewLargeBomb(int x, int y)
{
int i;
if (manage->EnemyNum >= manage->EnemyMax)
return;
for (i=1; i<manage->EnemyMax; i++)
{
if (manage->enemy[i]->Data.used == False)
{
manage->LargeBomb.Data.X = x;
manage->LargeBomb.Data.Y = y;
manage->enemy[i]->Data = manage->LargeBomb.Data;
manage->enemy[i]->Grp = manage->LargeBomb.Grp;
manage->enemy[i]->Action = BombAct;
manage->enemy[i]->Realize = DrawImage;
manage->enemy[i]->Hit = NullHit;
manage->EnemyNum++;
return;
}
}
}
DelAtt BombAct(ObjData *my)
{
my->image = my->Cnt[0];
my->Cnt[0]++;
if (my->Cnt[0] > 5)
return NullDel;
return NoneDel;
}
int GetDirection(int mx, int my, int sx, int sy)
{
static double hi;
static int uw;
static int uh;
static int h;
static int w;
uw = abs(sx-mx);
uh = abs(sy-my);
h = sy-my;
w = sx-mx;
if (!uw) return (uh>0)?4:0;
if (!uh) return (uw>0)?2:6;
hi = (double)uh/uw;
if (hi < 0.42)
return (w > 0) ? 2: 6;
else if (hi > 2.42)
return (h > 0) ? 4: 0;
else
{
return (w>0)?((h>0)?3:1):((h>0)?5:7);
/***
if (w > 0 && h > 0) return 3;
if (w > 0 && h < 0) return 1;
if (w < 0 && h > 0) return 5;
if (w < 0 && h < 0) return 7;
***/
}
}
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