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saved another 270 bytes

This commit is contained in:
Christian Kroll 2011-01-25 22:59:55 +00:00
parent ccc549db61
commit 4920272878
5 changed files with 52 additions and 47 deletions
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6
animations/27c3.c
View File

@ -6,9 +6,9 @@
#include "27c3.h" #include "27c3.h"
static uint8_t logo_27c3_getChunk(unsigned int const nBitPlane, static uint8_t logo_27c3_getChunk(unsigned char const nBitPlane,
unsigned int const nChunkX, unsigned char const nChunkX,
unsigned int const nChunkY, unsigned char const nChunkY,
unsigned int const nFrame) unsigned int const nFrame)
{ {
assert(nBitPlane < 2); assert(nBitPlane < 2);

9
animations/amphibian.c
View File

@ -6,9 +6,9 @@
#include "amphibian.h" #include "amphibian.h"
static uint8_t amphibian_getChunk(unsigned int const nBitPlane, static uint8_t amphibian_getChunk(unsigned char const nBitPlane,
unsigned int const nChunkX, unsigned char const nChunkX,
unsigned int const nChunkY, unsigned char const nChunkY,
unsigned int const nFrame) unsigned int const nFrame)
{ {
assert(nChunkX < 6); assert(nChunkX < 6);
@ -129,7 +129,7 @@ static uint8_t amphibian_getChunk(unsigned int const nBitPlane,
{0x07, 0xF0, 0xFE}}}; {0x07, 0xF0, 0xFE}}};
if ((nChunkX >= 0) && (nChunkX <= 2) && (nChunkY >= 2) && (nChunkY <= 5) if ((nChunkX <= 2) && (nChunkY >= 2) && (nChunkY <= 5)
&& (((nFrame >> 1) % 8) != 0)) && (((nFrame >> 1) % 8) != 0))
{ {
uint8_t nOffset; uint8_t nOffset;
@ -148,6 +148,7 @@ static uint8_t amphibian_getChunk(unsigned int const nBitPlane,
nOffset = 8; nOffset = 8;
break; break;
case 4: case 4:
default:
nOffset = 12; nOffset = 12;
break; break;
} }

52
animations/bitmapscroller.c
View File

@ -6,6 +6,7 @@
#include "../util.h" #include "../util.h"
#include "../autoconf.h" #include "../autoconf.h"
#include "../pixel.h" #include "../pixel.h"
#include "../joystick/joystick.h"
#include "bitmapscroller.h" #include "bitmapscroller.h"
@ -15,17 +16,17 @@
*/ */
typedef struct bitmap_t typedef struct bitmap_t
{ {
unsigned int nWidth; /**< Width of the bitmap. */ unsigned char nWidth; /**< Width of the bitmap. */
unsigned int nHeight; /**< Height of the bitmap. */ unsigned char nHeight; /**< Height of the bitmap. */
unsigned char nBitPlanes; /**< Number of bit planes. */ unsigned char nBitPlanes; /**< Number of bit planes. */
bitmap_getChunk_t fpGetChunk; /**< Bitmap chunk retrieving function. */ bitmap_getChunk_t fpGetChunk; /**< Bitmap chunk retrieving function. */
unsigned int nFrame; /**< Current frame number. */ unsigned int nFrame; /**< Current frame number. */
unsigned int nViewportWidth; /**< Width of the displayed content. */ unsigned char nViewportWidth; /**< Width of the displayed content. */
unsigned int nViewportHeight; /**< Height of the displayed content. */ unsigned char nViewportHeight; /**< Height of the displayed content. */
unsigned int nXDomain; /**< Last valid x-coordinate for viewport. */ unsigned char nXDomain; /**< Last valid x-coordinate for viewport. */
unsigned int nYDomain; /**< Last valid y-coordinate for viewport. */ unsigned char nYDomain; /**< Last valid y-coordinate for viewport. */
unsigned int nChunkDomain; /**< Last valid chunk for viewport. */ unsigned char nChunkDomain; /**< Last valid chunk for viewport. */
unsigned int nChunkCount; /**< Amount of horiz. chunks of the bitmap. */ unsigned char nChunkCount; /**< Amount of horiz. chunks of the bitmap. */
} }
bitmap_t; bitmap_t;
@ -57,7 +58,7 @@ static unsigned char bitmap_getAlignedChunk(bitmap_t const *const pBitmap,
unsigned char nAlignment = x % 8; unsigned char nAlignment = x % 8;
// we have to go through every bit plane // we have to go through every bit plane
for (int i = 0; i < pBitmap->nBitPlanes; ++i) for (unsigned char i = 0; i < pBitmap->nBitPlanes; ++i)
{ {
// generate chunk // generate chunk
unsigned char nPlaneChunk; unsigned char nPlaneChunk;
@ -104,24 +105,28 @@ static void bitmap_drawViewport(bitmap_t const *const pBitmap,
unsigned char nPlanes = nBitmapHwPlanes > NUMPLANE ? unsigned char nPlanes = nBitmapHwPlanes > NUMPLANE ?
NUMPLANE : nBitmapHwPlanes; NUMPLANE : nBitmapHwPlanes;
for (int8_t y = 0; y < pBitmap->nViewportHeight; ++y) for (unsigned char y = 0; y < pBitmap->nViewportHeight; ++y)
{ {
for (int8_t x = pBitmap->nViewportWidth; x > 0; x -= 8) for (unsigned char x = 0; x < pBitmap->nViewportWidth; x += 8)
{ {
for (int8_t p = NUMPLANE - nPlanes; p < NUMPLANE; ++p) for (unsigned char p = NUMPLANE - nPlanes; p < NUMPLANE; ++p)
{ {
uint8_t nChunk; unsigned char nChunk;
if ((nX + x - 8) >= 0) #if ((NUM_COLS % 8) != 0)
if ((x + nX) > (8 - NUM_COLS % 8))
{ {
nChunk = bitmap_getAlignedChunk(pBitmap, p, nX+x-8, nY + y); nChunk = bitmap_getAlignedChunk(pBitmap, p,
pixmap[p][y][pBitmap->nChunkCount - 1 - ((x-1)/8)] = nChunk; nX + x - (8 - NUM_COLS % 8), nY + y);
} }
else else
{ {
nChunk = bitmap_getAlignedChunk(pBitmap, p, nX, nY + y) nChunk = bitmap_getAlignedChunk(pBitmap, p,
>> (8-x); nX, nY + y) >> (8 - NUM_COLS % 8);
pixmap[p][y][pBitmap->nChunkCount - 1] = nChunk;
} }
#else
nChunk = bitmap_getAlignedChunk(pBitmap, p, nX + x, nY + y);
#endif
pixmap[p][y][pBitmap->nChunkCount - 1 - (x / 8)] = nChunk;
} }
} }
} }
@ -138,8 +143,8 @@ static void bitmap_drawViewport(bitmap_t const *const pBitmap,
* @param pdy Pointer to a variable which shall hold the vertical offset. * @param pdy Pointer to a variable which shall hold the vertical offset.
*/ */
static void bitmap_recalculateVector(bitmap_t const *const pBitmap, static void bitmap_recalculateVector(bitmap_t const *const pBitmap,
unsigned int const x, unsigned char const x,
unsigned int const y, unsigned char const y,
char *const pdx, char *const pdx,
char *const pdy) char *const pdy)
{ {
@ -168,8 +173,8 @@ static void bitmap_recalculateVector(bitmap_t const *const pBitmap,
* @param nFrameTick Duration of a displayed frame in milliseconds. * @param nFrameTick Duration of a displayed frame in milliseconds.
* @param fpGetChunk Function that returns an eight-by-one chunk of a bitmap. * @param fpGetChunk Function that returns an eight-by-one chunk of a bitmap.
*/ */
void bitmap_scroll(unsigned int const nWidth, void bitmap_scroll(unsigned char const nWidth,
unsigned int const nHeight, unsigned char const nHeight,
unsigned char const nBitPlanes, unsigned char const nBitPlanes,
unsigned int const nFrameCount, unsigned int const nFrameCount,
unsigned int const nFrameTick, unsigned int const nFrameTick,
@ -205,7 +210,6 @@ void bitmap_scroll(unsigned int const nWidth,
for (bitmap.nFrame = 0; bitmap.nFrame < nFrameCount; ++bitmap.nFrame) for (bitmap.nFrame = 0; bitmap.nFrame < nFrameCount; ++bitmap.nFrame)
{ {
bitmap_drawViewport(&bitmap, x, y); bitmap_drawViewport(&bitmap, x, y);
bitmap_recalculateVector(&bitmap, x, y, &dx, &dy); bitmap_recalculateVector(&bitmap, x, y, &dx, &dy);
x += bitmap.nWidth > bitmap.nViewportWidth ? dx : 0; x += bitmap.nWidth > bitmap.nViewportWidth ? dx : 0;
y += bitmap.nHeight > bitmap.nViewportHeight ? dy : 0; y += bitmap.nHeight > bitmap.nViewportHeight ? dy : 0;

10
animations/bitmapscroller.h
View File

@ -17,14 +17,14 @@
* @param nFrame The current frame number (in case you want to animate sth.). * @param nFrame The current frame number (in case you want to animate sth.).
* @return an eight-by-one chunk of the bitmap packed into an uint8_t typed * @return an eight-by-one chunk of the bitmap packed into an uint8_t typed
*/ */
typedef uint8_t (*bitmap_getChunk_t)(unsigned int const nBitPlane, typedef uint8_t (*bitmap_getChunk_t)(unsigned char const nBitPlane,
unsigned int const nChunkX, unsigned char const nChunkX,
unsigned int const nChunkY, unsigned char const nChunkY,
unsigned int const nFrame); unsigned int const nFrame);
void bitmap_scroll(unsigned int const nWidth, void bitmap_scroll(unsigned char const nWidth,
unsigned int const nHeight, unsigned char const nHeight,
unsigned char const nBitPlanes, unsigned char const nBitPlanes,
unsigned int const nFrameCount, unsigned int const nFrameCount,
unsigned int const nFrameTick, unsigned int const nFrameTick,

6
animations/laborlogo.c
View File

@ -6,9 +6,9 @@
#include "laborlogo.h" #include "laborlogo.h"
static uint8_t laborlogo_getChunk(unsigned int const nBitPlane, static uint8_t laborlogo_getChunk(unsigned char const nBitPlane,
unsigned int const nChunkX, unsigned char const nChunkX,
unsigned int const nChunkY, unsigned char const nChunkY,
unsigned int const nFrame) unsigned int const nFrame)
{ {
assert(nChunkX < 6); assert(nChunkX < 6);