RelativePath=".\..\src\blitter\32bpp_optimized.hpp">

			</File>

			<File

				RelativePath=".\..\src\blitter\32bpp_optimized.cpp">

			</File>

			<File

				RelativePath=".\..\src\blitter\32bpp_optimized.hpp"

				>

			</File>

			<File

				RelativePath=".\..\src\blitter\32bpp_optimized.cpp"

				>

			</File>

			<File

blitter/32bpp_optimized.hpp

blitter/32bpp_optimized.cpp

			if (src->a == 0) {

				/* src->r is 'misused' here to indicate how much more pixels are following with an alpha of 0 */

				int skip = UnScaleByZoom(src->r, zoom);

				dst  += skip;

				/* Make sure the anim-buffer is cleared */

				memset(anim, 0, skip);

				anim += skip;

				x    += skip - 1;

				src  += ScaleByZoom(1, zoom) * skip;

				continue;

			}

						*dst = ComposeColourRGBA(src->r, src->g, src->b, src->a, *dst);

					*dst = MakeTransparent(*dst, 192);

					*anim = bp->remap[*anim];

					/* Above 217 is palette animation */

					if (src->m >= 217) *dst = ComposeColourPA(this->LookupColourInPalette(src->m), src->a, *dst);

					else               *dst = ComposeColourRGBA(src->r, src->g, src->b, src->a, *dst);

					*anim = src->m;

#include "32bpp_optimized.hpp"

class Blitter_32bppAnim : public Blitter_32bppOptimized {

#include "../stdafx.h"

#include "../zoom.hpp"

#include "../gfx.h"

#include "../debug.h"

#include "../table/sprites.h"

#include "32bpp_optimized.hpp"

static FBlitter_32bppOptimized iFBlitter_32bppOptimized;

void Blitter_32bppOptimized::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)

{

	const SpriteLoader::CommonPixel *src, *src_line;

	uint32 *dst, *dst_line;

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

	src_line = (const SpriteLoader::CommonPixel *)bp->sprite + (bp->skip_top * bp->sprite_width + bp->skip_left) * ScaleByZoom(1, zoom);

	dst_line = (uint32 *)bp->dst + bp->top * bp->pitch + bp->left;

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

		dst = dst_line;

		dst_line += bp->pitch;

		src = src_line;

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

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

			if (src->a == 0) {

				/* src->r is 'misused' here to indicate how much more pixels are following with an alpha of 0 */

				int skip = UnScaleByZoom(src->r, zoom);

				dst += skip;

				x   += skip - 1;

				src += ScaleByZoom(1, zoom) * skip;

				continue;

			}

			switch (mode) {

				case BM_COLOUR_REMAP:

					/* In case the m-channel is zero, do not remap this pixel in any way */

					if (src->m == 0) {

						*dst = ComposeColourRGBA(src->r, src->g, src->b, src->a, *dst);

					} else {

						if (bp->remap[src->m] != 0) *dst = ComposeColourPA(this->LookupColourInPalette(bp->remap[src->m]), src->a, *dst);

					}

					break;

				case BM_TRANSPARENT:

					/* TODO -- We make an assumption here that the remap in fact is transparency, not some color.

					 *  This is never a problem with the code we produce, but newgrfs can make it fail... or at least:

					 *  we produce a result the newgrf maker didn't expect ;) */

					/* Make the current color a bit more black, so it looks like this image is transparent */

					*dst = MakeTransparent(*dst, 192);

					break;

				default:

					*dst = ComposeColourRGBA(src->r, src->g, src->b, src->a, *dst);

					break;

			}

			dst++;

			src += ScaleByZoom(1, zoom);

		}

	}

}

Sprite *Blitter_32bppOptimized::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)

{

	Sprite *dest_sprite;

	SpriteLoader::CommonPixel *dst;

	dest_sprite = (Sprite *)allocator(sizeof(*dest_sprite) + sprite->height * sprite->width * sizeof(SpriteLoader::CommonPixel));

	dest_sprite->height = sprite->height;

	dest_sprite->width  = sprite->width;

	dest_sprite->x_offs = sprite->x_offs;

	dest_sprite->y_offs = sprite->y_offs;

	dst = (SpriteLoader::CommonPixel *)dest_sprite->data;

	memcpy(dst, sprite->data, sprite->height * sprite->width * sizeof(SpriteLoader::CommonPixel));

	/* Skip to the end of the array, and work backwards to find transparent blocks */

	dst = dst + sprite->height * sprite->width - 1;

	for (uint y = sprite->height; y > 0; y--) {

		int trans = 0;

		/* Process sprite line backwards, to compute lengths of transparent blocks */

		for (uint x = sprite->width; x > 0; x--) {

			if (dst->a == 0) {

				/* Save transparent block length in red channel; max value is 255 the red channel can contain */

				if (trans < 255) trans++;

				dst->r = trans;

				dst->g = 0;

				dst->b = 0;

				dst->m = 0;

			} else {

				trans = 0;

				if (dst->m != 0) {

					/* Pre-convert the mapping channel to a RGB value */

					uint color = this->LookupColourInPalette(dst->m);

					dst->r = GB(color, 16, 8);

					dst->g = GB(color, 8,  8);

					dst->b = GB(color, 0,  8);

				}

			}

			dst--;

		}

	}

	return dest_sprite;

}

/* $Id$ */

/** @file 32bpp_optimized.hpp */

#ifndef BLITTER_32BPP_OPTIMIZED_HPP

#define BLITTER_32BPP_OPTIMIZED_HPP

#include "32bpp_simple.hpp"

#include "factory.hpp"

class Blitter_32bppOptimized : public Blitter_32bppSimple {

public:

	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);

	/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);

	/* virtual */ const char *GetName() { return "32bpp-optimized"; }

};

class FBlitter_32bppOptimized: public BlitterFactory<FBlitter_32bppOptimized> {

public:

	/* virtual */ const char *GetName() { return "32bpp-optimized"; }

	/* virtual */ const char *GetDescription() { return "32bpp Optimized Blitter (no palette animation)"; }

	/* virtual */ Blitter *CreateInstance() { return new Blitter_32bppOptimized(); }

};

#endif /* BLITTER_32BPP_OPTIMIZED_HPP */