btile.c
1.59 KB
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/*---------------------------------------------------------------------*
Copyright (C) 1998 Nintendo.
$RCSfile: btile.c,v $
$Revision: 1.1.1.1 $
$Date: 2002/05/02 03:27:33 $
*---------------------------------------------------------------------*/
/*
btile.c
長方形タイルの描画。sb.h を参照
*/
#include "hglobals.h"
#include "hsb.h"
#include "hdd.h"
#include "hvideo.h"
#include "hvideo_str.h"
s32
btile_create(TBackTile *bt ,s32 xpos ,s32 ypos ,s32 width ,s32 height ,u32 color)
{
try_assert("btile create : invalid width" ,width>0 );
try_assert("btile create : invalid height" , height>0 );
bt->x = xpos;
bt->y = ypos;
bt->w = width;
bt->h = height;
bt->color = color;
bt->visible = true;
bt->clipping = false;
bt->base.x=0;
bt->base.y=0;
return -1;
}
s32
btile_setBase(TBackTile * bt ,s32 x ,s32 y)
{
bt->base.x = x;
bt->base.y = y;
return -1;
}
s32
btile_moveCenter(TBackTile * bt ,s32 left ,s32 right )
{
try_assert("btile movecenter : right < left " , ((right - left) > 0 ) );
bt->x = left + ( (right - left - bt->w) / 2 );
return -1;
}
s32
btile_setClip(TBackTile * bt,s32 left ,s32 top ,s32 right ,s32 bottom )
{
bt->clip.left = left;
bt->clip.top = top;
bt->clip.right = right;
bt->clip.bottom = bottom;
bt->clipping = true;
return -1;
}
s32
btile_show(TBackTile * bt)
{
s32 x,y;
if ( !bt->visible ) return 0;
x = bt->x + bt->base.x;
y = bt->y + bt->base.y;
if( !bt->clipping || EXIST_IN(x,y,bt->clip) )
{
video_drawRect(bt->x,bt->y,bt->w,bt->h ,bt->color);
}
return -1;
}