Function DrawSpriteViewport

src/gfx.cpp:1006–1023

* Draw a sprite in a viewport. * @param img Image number to draw * @param pal Palette to use. * @param x Left coordinate of image in viewport, scaled by zoom * @param y Top coordinate of image in viewport, scaled by zoom * @param sub If available, draw only specified part of the sprite */

 * @param sub  If available, draw only specified part of the sprite
 */
void DrawSpriteViewport(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub)
{
	SpriteID real_sprite = GB(img, 0, SPRITE_WIDTH);
	if (HasBit(img, PALETTE_MODIFIER_TRANSPARENT)) {
		pal = GB(pal, 0, PALETTE_WIDTH);
		_colour_remap_ptr = GetNonSprite(pal, SpriteType::Recolour) + 1;
		GfxMainBlitterViewport(GetSprite(real_sprite, SpriteType::Normal), x, y, pal == PALETTE_TO_TRANSPARENT ? BlitterMode::Transparent : BlitterMode::TransparentRemap, sub, real_sprite);
	} else if (pal != PAL_NONE) {
		if (HasBit(pal, PALETTE_TEXT_RECOLOUR)) {
			SetColourRemap((TextColour)GB(pal, 0, PALETTE_WIDTH));
		} else {
			_colour_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH), SpriteType::Recolour) + 1;
		}
		GfxMainBlitterViewport(GetSprite(real_sprite, SpriteType::Normal), x, y, GetBlitterMode(pal), sub, real_sprite);
	} else {
		GfxMainBlitterViewport(GetSprite(real_sprite, SpriteType::Normal), x, y, BlitterMode::Normal, sub, real_sprite);
	}
}

/**
 * Draw a sprite, not in a viewport