sprite.h

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/*---------------------------------------------------------------------------------

    Generic sprites functions.

    Copyright (C) 2018-2019
        Alekmaul

    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any
    damages arising from the use of this software.

    Permission is granted to anyone to use this software for any
    purpose, including commercial applications, and to alter it and
    redistribute it freely, subject to the following restrictions:

    1.  The origin of this software must not be misrepresented; you
        must not claim that you wrote the original software. If you use
        this software in a product, an acknowledgment in the product
        documentation would be appreciated but is not required.
    2.  Altered source versions must be plainly marked as such, and
        must not be misrepresented as being the original software.
    3.  This notice may not be removed or altered from any source
        distribution.


---------------------------------------------------------------------------------*/
#ifndef COL_SPRITE_H
#define COL_SPRITE_H

#include <coleco/coltypes.h>

#define SPHIDE      0xCF
#define SPHIDE1     0xCE

#define MAXSPRITE   32
#define MAXSPRITE4  (MAXSPRITE*4)
#define MAXSPRITE2  (MAXSPRITE*2)

typedef struct
{
    u8 y;
    u8 x;
    u8 pattern;
    u8 colour;
} sprite_t;

extern volatile sprite_t sprites[MAXSPRITE];    // sprites entries

extern volatile u8 spr_enable;

void spr_clear(void);

void spr_clear30r(void);

void spr_update(void);

void spr_updatefast(void);

u8 spr_getentry(void);

u8 spr_getentry30r(void);


void spr_mode8x8(void);

void spr_mode16x16(void);

#define spr_set(id,  xp, yp, col, pat) \
    { \
    sprites[id].x=xp; \
    sprites[id].y=yp; \
    sprites[id].colour=col; \
    sprites[id].pattern=pat; \
    }

#define spr_setxy(id, xp, yp) \
    { \
    sprites[id].x=xp; \
    sprites[id].y=yp; \
    }

#define spr_setx(id,xp) { sprites[id].x=xp; }

#define spr_sety(id,yp) { sprites[id].y=yp; }

#define spr_setpat(id,pat) { sprites[id].pattern=pat; }

#define spr_setcol(id,col) { sprites[id].colour=col; }

#define spr_getx(id) (sprites[id].x)

#define spr_gety(id) (sprites[id].y)

#endif