move RageTextureID into its own file

stepmania/src/RageTexture.cpp

@@ -14,78 +14,6 @@
 #include "RageTextureManager.h"
 #include <string.h>
 
-void RageTextureID::Init()
-{
-	/* Maximum size of the texture, per dimension. */
-	iMaxSize = 2048;
-
-	/* Number of mipmaps. (unimplemented) */
-	iMipMaps = 4;
-
-	/* Maximum number of bits for alpha.  In 16-bit modes, lowering
-	 * this gives more bits for color values. (0, 1 or 4) */
-	iAlphaBits = 4;
-
-	/* If this is greater than -1, then the image will be loaded as a luma/alpha
-	 * map, eg. I4A4.  At most 8 bits per pixel will be used  This only actually happens
-	 * when paletted textures are supported.
-	 *
-	 * If the sum of alpha and grayscale bits is <= 4, and the system supports 4-bit
-	 * palettes, then the image will be loaded with 4bpp.
-	 *
-	 * This may be set to 0, resulting in an alpha map with all pixels white. */
-	iGrayscaleBits = -1;
-
-	/* If true and color precision is being lost, dither. (slow) */
-	bDither = false;
-	/* If true, resize the image to fill the internal texture. (slow) */
-	bStretch = false;
-
-	/* Preferred color depth of the image.  (This is overridden for
-	 * paletted images and transparencies.) */
-   	iColorDepth = -1; /* default */
-
-	/* If true, enable HOT PINK color keying. (deprecated but needed for
-	 * banners) */
-	bHotPinkColorKey = false;
-
-	/* These hints will be used in addition to any in the filename. */
-	AdditionalTextureHints = "";
-}
-
-bool RageTextureID::operator<(const RageTextureID &rhs) const
-{
-#define COMP(a) if(a<rhs.a) return true; if(a>rhs.a) return false;
-	COMP(filename);
-	COMP(iMaxSize);
-	COMP(iMipMaps);
-	COMP(iAlphaBits);
-	COMP(iGrayscaleBits);
-	COMP(iColorDepth);
-	COMP(bDither);
-	COMP(bStretch);
-	COMP(bHotPinkColorKey);
-	COMP(AdditionalTextureHints);
-#undef COMP
-	return false;
-}
-
-bool RageTextureID::operator==(const RageTextureID &rhs) const
-{
-#define EQUAL(a) (a==rhs.a)
-	return 
-		EQUAL(filename) &&
-		EQUAL(iMaxSize) &&
-		EQUAL(iMipMaps) &&
-		EQUAL(iAlphaBits) &&
-		EQUAL(iGrayscaleBits) &&
-		EQUAL(iColorDepth) &&
-		EQUAL(bDither) &&
-		EQUAL(bStretch) &&
-		EQUAL(bHotPinkColorKey) &&
-		EQUAL(AdditionalTextureHints);
-}
-
 
 RageTexture::RageTexture( RageTextureID name ):
 	m_ID(name)