1 #include "../stdafx.h"

     2 #include "../zoom.hpp"

     3 #include "../gfx.h"

     4 #include "../functions.h"

     5 #include "8bpp_debug.hpp"

     6 

     7 static FBlitter_8bppDebug iFBlitter_8bppDebug;

     8 

     9 extern void* AllocSprite(size_t);

    10 

    11 void Blitter_8bppDebug::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)

    12 {

    13 	const byte *src, *src_line;

    14 	Pixel8 *dst, *dst_line;

    15 

    16 	/* Find where to start reading in the source sprite */

    17 	src_line = (const byte *)bp->sprite + (bp->skip_top * bp->sprite_width + bp->skip_left) * ScaleByZoom(1, zoom);

    18 	dst_line = (Pixel8 *)bp->dst + bp->top * bp->pitch + bp->left;

    19 

    20 	for (int y = 0; y < bp->height; y++) {

    21 		dst = dst_line;

    22 		dst_line += bp->pitch;

    23 

    24 		src = src_line;

    25 		src_line += bp->sprite_width * ScaleByZoom(1, zoom);

    26 

    27 		for (int x = 0; x < bp->width; x++) {

    28 			if (*src != 0) *dst = *src;

    29 			dst++;

    30 			src += ScaleByZoom(1, zoom);

    31 		}

    32 		assert(src <= src_line);

    33 	}

    34 }

    35 

    36 Sprite *Blitter_8bppDebug::Encode(SpriteLoader::Sprite *sprite)

    37 {

    38 	Sprite *dest_sprite;

    39 	dest_sprite = (Sprite *)AllocSprite(sizeof(*dest_sprite) + sprite->height * sprite->width);

    40 

    41 	dest_sprite->height = sprite->height;

    42 	dest_sprite->width  = sprite->width;

    43 	dest_sprite->x_offs = sprite->x_offs;

    44 	dest_sprite->y_offs = sprite->y_offs;

    45 

    46 	/* Write a random color as sprite; this makes debugging really easy */

    47 	uint color = InteractiveRandom() % 150 + 2;

    48 	for (int i = 0; i < sprite->height * sprite->width; i++) {

    49 		dest_sprite->data[i] = (sprite->data[i].m == 0) ? 0 : color;

    50 	}

    51 

    52 	return dest_sprite;

    53 }