#include <math.h>
-long mScrollX, mScrollY;
-long mScrollX_last, mScrollY_last;
+int mScrollX, mScrollY;
+int mScrollX_last, mScrollY_last;
-#if 1
-long ScreenBuffer[2 + MAX_PLAYFIELD_WIDTH + 2][2 + MAX_PLAYFIELD_HEIGHT + 2];
+int ScreenBuffer[2 + MAX_PLAYFIELD_WIDTH + 2][2 + MAX_PLAYFIELD_HEIGHT + 2];
boolean redraw[2 + MAX_PLAYFIELD_WIDTH + 2][2 + MAX_PLAYFIELD_HEIGHT + 2];
-#else
-long ScreenBuffer[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
-boolean redraw[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
-#endif
void RestorePlayfield()
int x, y;
BlitBitmap(bitmap_db_field_sp, bitmap_db_field_sp,
- TILEX * (dx == -1),
- TILEY * (dy == -1),
- (MAX_BUF_XSIZE * TILEX) - TILEX * (dx != 0),
- (MAX_BUF_YSIZE * TILEY) - TILEY * (dy != 0),
- TILEX * (dx == 1),
- TILEY * (dy == 1));
+ TILEX_VAR * (dx == -1),
+ TILEY_VAR * (dy == -1),
+ (MAX_BUF_XSIZE * TILEX_VAR) - TILEX_VAR * (dx != 0),
+ (MAX_BUF_YSIZE * TILEY_VAR) - TILEY_VAR * (dy != 0),
+ TILEX_VAR * (dx == 1),
+ TILEY_VAR * (dy == 1));
/* when scrolling the whole playfield, do not redraw single tiles */
- for (x = 0; x < MAX_BUF_XSIZE; x++)
- for (y = 0; y < MAX_BUF_YSIZE; y++)
+ for (x = 0; x < 2 + MAX_PLAYFIELD_WIDTH + 2; x++)
+ for (y = 0; y < 2 + MAX_PLAYFIELD_HEIGHT + 2; y++)
redraw[x][y] = FALSE;
redraw_tiles = 0;
int sx = x - x1;
int sy = y - y1;
int tsi = GetSI(x, y);
- long id = ((PlayField16[tsi]) |
- (PlayField8[tsi] << 16) |
- (DisPlayField[tsi] << 24));
+ int id = ((PlayField16[tsi]) |
+ (PlayField8[tsi] << 16) |
+ (DisPlayField[tsi] << 24));
if ((dx == -1 && x == x2) ||
(dx == +1 && x == x1) ||
if (mScrollX_last == -1 || mScrollY_last == -1)
{
- mScrollX_last = mScrollX;
- mScrollY_last = mScrollY;
+ mScrollX_last = (mScrollX / TILESIZE) * TILESIZE;
+ mScrollY_last = (mScrollY / TILESIZE) * TILESIZE;
return;
}
ScrollPlayfieldIfNeededExt(TRUE);
}
+#define DEBUG_REDRAW 0
+
void UpdatePlayfield(boolean force_redraw)
{
int x, y;
-#if 1
+
+#if DEBUG_REDRAW
int num_redrawn = 0;
#endif
int sync_frame = GfxFrame[x][y];
boolean redraw = force_redraw;
-#if 0
- redraw = TRUE; // !!! TEST ONLY -- ALWAYS REDRAW !!!
-#endif
-
if (graphic < 0)
{
GfxGraphicLast[x][y] = GfxGraphic[x][y];
int sx = x * StretchWidth;
int sy = y * StretchWidth;
-#if 0
- printf("::: REDRAW (%d, %d): %d, %d\n", x, y, graphic, sync_frame);
-#endif
-
DDSpriteBuffer_BltImg(sx, sy, graphic, sync_frame);
-#if 1
+#if DEBUG_REDRAW
num_redrawn++;
#endif
}
}
}
-#if 0
+#if DEBUG_REDRAW
printf("::: FRAME %d: %d redrawn\n", FrameCounter, num_redrawn);
#endif
}
int px = 2 * TILEX + (mScrollX - mScrollX_last) % TILEX;
int py = 2 * TILEY + (mScrollY - mScrollY_last) % TILEY;
int sx, sy, sxsize, sysize;
-
-#if 1
- printf("::: %d, %d - %d, %d - %ld, %ld\n",
- MurphyScreenXPos, MurphyScreenYPos,
- ScreenScrollXPos, ScreenScrollYPos,
- mScrollX, mScrollY);
-#endif
-
int xsize = SXSIZE;
int ysize = SYSIZE;
- int full_xsize = (FieldWidth - (menBorder ? 0 : 1)) * TILEX;
- int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY;
+ int full_xsize = (FieldWidth - (menBorder ? 0 : 1)) * TILEX_VAR;
+ int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY_VAR;
sxsize = (full_xsize < xsize ? full_xsize : xsize);
sysize = (full_ysize < ysize ? full_ysize : ysize);
sx = SX + (full_xsize < xsize ? (xsize - full_xsize) / 2 : 0);
sy = SY + (full_ysize < ysize ? (ysize - full_ysize) / 2 : 0);
-#if 1
- if (0 && !menBorder)
- {
- if (mScrollX < ScrollMinX + TILEX / 2)
- px += ScrollMinX + TILEX / 2 - mScrollX;
- else if (mScrollX > ScrollMaxX - TILEX / 2)
- px -= mScrollX - (ScrollMaxX - TILEX / 2);
- if (mScrollY < ScrollMinY + TILEY / 2)
- py += ScrollMinY + TILEY / 2 - mScrollY;
- else if (mScrollY > ScrollMaxY - TILEY / 2)
- py -= mScrollY - (ScrollMaxY - TILEY / 2);
- }
-#else
- if (!menBorder)
+ /* scroll correction for even number of visible tiles (half tile shifted) */
+ px += game_sp.scroll_xoffset;
+ py += game_sp.scroll_yoffset;
+
+ if (ExplosionShakeMurphy != 0)
{
- px += TILEX / 2;
- py += TILEY / 2;
+ px += TILEX / 2 - GetSimpleRandom(TILEX + 1);
+ py += TILEY / 2 - GetSimpleRandom(TILEX + 1);
}
-#endif
+
+ px = px * TILESIZE_VAR / TILESIZE;
+ py = py * TILESIZE_VAR / TILESIZE;
BlitBitmap(bitmap_db_field_sp, target_bitmap, px, py, sxsize, sysize, sx, sy);
}
void BackToFront_SP(void)
{
+ static int scroll_x_last = -1, scroll_y_last = -1;
static boolean scrolling_last = FALSE;
- int left = mScrollX / TILEX;
- int top = mScrollY / TILEY;
- boolean scrolling = (mScrollX % TILEX != 0 || mScrollY % TILEY != 0);
+ static boolean ExplosionShakeMurphy_last = -1;
+ boolean scrolling = (mScrollX != scroll_x_last || mScrollY != scroll_y_last);
int x, y;
- SyncDisplay();
-
- if (1 ||
- redraw_tiles > REDRAWTILES_THRESHOLD || scrolling || scrolling_last)
+ if (0 ||
+ redraw_tiles > REDRAWTILES_THRESHOLD || scrolling || scrolling_last ||
+ ExplosionShakeMurphy != 0 || ExplosionShakeMurphy_last != 0)
{
BlitScreenToBitmap_SP(window);
}
else
{
- for (x = 0; x < SCR_FIELDX; x++)
+ int scroll_xoffset = mScrollX - mScrollX_last + game_sp.scroll_xoffset;
+ int scroll_yoffset = mScrollY - mScrollY_last + game_sp.scroll_yoffset;
+ int x1 = 0, x2 = SCR_FIELDX - (scroll_xoffset != 0 ? 0 : 1);
+ int y1 = 0, y2 = SCR_FIELDY - (scroll_yoffset != 0 ? 0 : 1);
+ int full_xsize = (FieldWidth - (menBorder ? 0 : 1)) * TILEX_VAR;
+ int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY_VAR;
+ int xsize = SXSIZE;
+ int ysize = SYSIZE;
+ int sxsize = (full_xsize < xsize ? full_xsize : xsize);
+ int sysize = (full_ysize < ysize ? full_ysize : ysize);
+ int sx = SX + (full_xsize < xsize ? (xsize - full_xsize) / 2 : 0);
+ int sy = SY + (full_ysize < ysize ? (ysize - full_ysize) / 2 : 0);
+
+ InitGfxClipRegion(TRUE, sx, sy, sxsize, sysize);
+
+ scroll_xoffset = scroll_xoffset * TILESIZE_VAR / TILESIZE;
+ scroll_yoffset = scroll_yoffset * TILESIZE_VAR / TILESIZE;
+
+ for (x = x1; x <= x2; x++)
{
- for (y = 0; y < SCR_FIELDY; y++)
+ for (y = y1; y <= y2; y++)
{
- int xx = (left + x) % MAX_BUF_XSIZE;
- int yy = (top + y) % MAX_BUF_YSIZE;
+ int xx = 2 + x;
+ int yy = 2 + y;
if (redraw[xx][yy])
BlitBitmap(bitmap_db_field_sp, window,
- xx * TILEX, yy * TILEY, TILEX, TILEY,
- SX + x * TILEX, SY + y * TILEY);
+ xx * TILEX_VAR, yy * TILEY_VAR, TILEX_VAR, TILEY_VAR,
+ sx + x * TILEX_VAR - scroll_xoffset,
+ sy + y * TILEY_VAR - scroll_yoffset);
}
}
- }
- FlushDisplay();
+ InitGfxClipRegion(FALSE, -1, -1, -1, -1);
+ }
- for (x = 0; x < MAX_BUF_XSIZE; x++)
- for (y = 0; y < MAX_BUF_YSIZE; y++)
+ for (x = 0; x < 2 + MAX_PLAYFIELD_WIDTH + 2; x++)
+ for (y = 0; y < 2 + MAX_PLAYFIELD_HEIGHT + 2; y++)
redraw[x][y] = FALSE;
redraw_tiles = 0;
+ scroll_x_last = mScrollX;
+ scroll_y_last = mScrollY;
scrolling_last = scrolling;
+ ExplosionShakeMurphy_last = ExplosionShakeMurphy;
}
void DDScrollBuffer_ScrollTo(int X, int Y)
ScrollPlayfieldIfNeeded();
}
-void DDScrollBuffer_SoftScrollTo(int X, int Y, long TimeMS, int FPS)
+void DDScrollBuffer_SoftScrollTo(int X, int Y, int TimeMS, int FPS)
{
double dx, dY;
- long dT, StepCount;
+ int StepCount;
double T, tStep;
- long oldX, oldY, maxD;
+ int oldX, oldY, maxD;
static boolean AlreadyRunning = False;
if (NoDisplayFlag)
if (StepCount == 0)
StepCount = 1;
- dT = 1000 / FPS;
tStep = (double)1 / StepCount;
oldX = mScrollX;
oldY = mScrollY;