(8 - frame) * ply[p].y) * TILEY / 8 \
- ((SCR_FIELDY - 1) * TILEY) / 2)
+#define USE_EXTENDED_GRAPHICS_ENGINE 1
-int frame; /* current screen frame */
-int screen_x; /* current scroll position */
-int screen_y;
+
+#if 0
+int TILEX = ORIG_TILEX * ZOOM_FACTOR;
+int TILEY = ORIG_TILEY * ZOOM_FACTOR;
+#endif
+
+int frame; /* current screen frame */
+int screen_x, screen_y; /* current scroll position */
/* tiles currently on screen */
+#if 1
+static int screentiles[MAX_PLAYFIELD_HEIGHT + 2][MAX_PLAYFIELD_WIDTH + 2];
+static int crumbled_state[MAX_PLAYFIELD_HEIGHT + 2][MAX_PLAYFIELD_WIDTH + 2];
+
+static boolean redraw[MAX_PLAYFIELD_WIDTH + 2][MAX_PLAYFIELD_HEIGHT + 2];
+#else
static int screentiles[MAX_BUF_YSIZE][MAX_BUF_XSIZE];
static int crumbled_state[MAX_BUF_YSIZE][MAX_BUF_XSIZE];
static boolean redraw[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
+#endif
#if 0
#if 1
{
int x = screen_x % (MAX_BUF_XSIZE * TILEX);
int y = screen_y % (MAX_BUF_YSIZE * TILEY);
+ int sx, sy, sxsize, sysize;
+ int xsize = SXSIZE;
+ int ysize = SYSIZE;
+ int full_xsize = lev.width * TILEX;
+ int full_ysize = lev.height * TILEY;
+
+ 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 0
+ printf("::: %d, %d\n", screenBitmap->width, screenBitmap->height);
+ BlitBitmap(screenBitmap, target_bitmap, 0, 0, 544, 544, SX, SY);
+ return;
+#endif
+#if 1
+ if (x < 2 * TILEX && y < 2 * TILEY)
+ {
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
+ sxsize, sysize, sx, sy);
+ }
+ else if (x < 2 * TILEX && y >= 2 * TILEY)
+ {
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
+ sxsize, MAX_BUF_YSIZE * TILEY - y,
+ sx, sy);
+ BlitBitmap(screenBitmap, target_bitmap, x, 0,
+ sxsize, y - 2 * TILEY,
+ sx, sy + MAX_BUF_YSIZE * TILEY - y);
+ }
+ else if (x >= 2 * TILEX && y < 2 * TILEY)
+ {
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
+ MAX_BUF_XSIZE * TILEX - x, sysize,
+ sx, sy);
+ BlitBitmap(screenBitmap, target_bitmap, 0, y,
+ x - 2 * TILEX, sysize,
+ sx + MAX_BUF_XSIZE * TILEX - x, sy);
+ }
+ else
+ {
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
+ MAX_BUF_XSIZE * TILEX - x, MAX_BUF_YSIZE * TILEY - y,
+ sx, sy);
+ BlitBitmap(screenBitmap, target_bitmap, 0, y,
+ x - 2 * TILEX, MAX_BUF_YSIZE * TILEY - y,
+ sx + MAX_BUF_XSIZE * TILEX - x, sy);
+ BlitBitmap(screenBitmap, target_bitmap, x, 0,
+ MAX_BUF_XSIZE * TILEX - x, y - 2 * TILEY,
+ sx, sy + MAX_BUF_YSIZE * TILEY - y);
+ BlitBitmap(screenBitmap, target_bitmap, 0, 0,
+ x - 2 * TILEX, y - 2 * TILEY,
+ sx + MAX_BUF_XSIZE * TILEX - x, sy + MAX_BUF_YSIZE * TILEY - y);
+ }
+#else
if (x < 2 * TILEX && y < 2 * TILEY)
{
BlitBitmap(screenBitmap, target_bitmap, x, y,
x - 2 * TILEX, y - 2 * TILEY,
SX + MAX_BUF_XSIZE * TILEX - x, SY + MAX_BUF_YSIZE * TILEY - y);
}
+#endif
}
-void blitscreen(void)
+void BackToFront_EM(void)
{
+ static int screen_x_last = -1, screen_y_last = -1;
static boolean scrolling_last = FALSE;
int left = screen_x / TILEX;
int top = screen_y / TILEY;
+#if 1
+ boolean scrolling = (screen_x != screen_x_last || screen_y != screen_y_last);
+#else
boolean scrolling = (screen_x % TILEX != 0 || screen_y % TILEY != 0);
+#endif
int x, y;
+#if 0
+ printf("::: %d, %d\n", screen_x, screen_y);
+#endif
+
+ SyncDisplay();
+
if (redraw_tiles > REDRAWTILES_THRESHOLD || scrolling || scrolling_last)
{
/* blit all (up to four) parts of the scroll buffer to the backbuffer */
}
else
{
+#if 1
+#if 1
+ boolean half_shifted_x = (screen_x % TILEX != 0);
+ boolean half_shifted_y = (screen_y % TILEY != 0);
+#else
+ boolean half_shifted_x = (EVEN(SCR_FIELDX) && screen_x % TILEX != 0);
+ boolean half_shifted_y = (EVEN(SCR_FIELDY) && screen_y % TILEY != 0);
+#endif
+
+ int sx, sy, sxsize, sysize;
+ int xsize = SXSIZE;
+ int ysize = SYSIZE;
+ int full_xsize = lev.width * TILEX;
+ int full_ysize = lev.height * TILEY;
+
+ 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 0
+#if 1
+ printf("::: %d, %d\n", EVEN(SCR_FIELDX), screen_x);
+#else
+ half_shifted_x = TRUE;
+ half_shifted_y = FALSE;
+#endif
+#endif
+
+ int x1 = 0, x2 = SCR_FIELDX - (half_shifted_x ? 0 : 1);
+ int y1 = 0, y2 = SCR_FIELDY - (half_shifted_y ? 0 : 1);
+ int scroll_xoffset = (half_shifted_x ? TILEX / 2 : 0);
+ int scroll_yoffset = (half_shifted_y ? TILEY / 2 : 0);
+
+ InitGfxClipRegion(TRUE, SX, SY, SXSIZE, SYSIZE);
+
+ for (x = x1; x <= x2; x++)
+ {
+ for (y = y1; y <= y2; y++)
+ {
+ int xx = (left + x) % MAX_BUF_XSIZE;
+ int yy = (top + y) % MAX_BUF_YSIZE;
+
+ if (redraw[xx][yy])
+ BlitBitmap(screenBitmap, window,
+ xx * TILEX, yy * TILEY, TILEX, TILEY,
+ sx + x * TILEX - scroll_xoffset,
+ sy + y * TILEY - scroll_yoffset);
+ }
+ }
+
+ InitGfxClipRegion(FALSE, -1, -1, -1, -1);
+
+#else
+
for (x = 0; x < SCR_FIELDX; x++)
{
for (y = 0; y < SCR_FIELDY; y++)
SX + x * TILEX, SY + y * TILEY);
}
}
+#endif
}
+ FlushDisplay();
+
for (x = 0; x < MAX_BUF_XSIZE; x++)
for (y = 0; y < MAX_BUF_YSIZE; y++)
redraw[x][y] = FALSE;
redraw_tiles = 0;
+ screen_x_last = screen_x;
+ screen_y_last = screen_y;
scrolling_last = scrolling;
}
-static void DrawLevelField_EM(int x, int y, int sx, int sy,
- boolean draw_masked)
+void blitscreen(void)
+{
+ BackToFront_EM();
+}
+
+static struct GraphicInfo_EM *getObjectGraphic(int x, int y)
{
int tile = Draw[y][x];
struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame];
+
+ if (!game.use_native_emc_graphics_engine)
+ getGraphicSourceObjectExt_EM(g, tile, 7 - frame, x - 2, y - 2);
+
+ return g;
+}
+
+static struct GraphicInfo_EM *getPlayerGraphic(int player_nr, int anim)
+{
+ struct GraphicInfo_EM *g = &graphic_info_em_player[player_nr][anim][frame];
+
+ if (!game.use_native_emc_graphics_engine)
+ getGraphicSourcePlayerExt_EM(g, player_nr, anim, 7 - frame);
+
+ return g;
+}
+
+static void DrawLevelField_EM(int x, int y, int sx, int sy,
+ boolean draw_masked)
+{
+ struct GraphicInfo_EM *g = getObjectGraphic(x, y);
+#if NEW_TILESIZE
+ int src_x = g->src_x + g->src_offset_x * TILESIZE_VAR / TILESIZE;
+ int src_y = g->src_y + g->src_offset_y * TILESIZE_VAR / TILESIZE;
+ int dst_x = sx * TILEX + g->dst_offset_x * TILESIZE_VAR / TILESIZE;
+ int dst_y = sy * TILEY + g->dst_offset_y * TILESIZE_VAR / TILESIZE;
+ int width = g->width * TILESIZE_VAR / TILESIZE;
+ int height = g->height * TILESIZE_VAR / TILESIZE;
+#else
int src_x = g->src_x + g->src_offset_x;
int src_y = g->src_y + g->src_offset_y;
int dst_x = sx * TILEX + g->dst_offset_x;
int dst_y = sy * TILEY + g->dst_offset_y;
int width = g->width;
int height = g->height;
+#endif
int left = screen_x / TILEX;
int top = screen_y / TILEY;
static void DrawLevelFieldCrumbled_EM(int x, int y, int sx, int sy,
int crm, boolean draw_masked)
{
- int tile = Draw[y][x];
- struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame];
+#if 1
+ struct GraphicInfo_EM *g;
+#else
+ struct GraphicInfo_EM *g = getObjectGraphic(x, y);
+#endif
+ int crumbled_border_size;
int left = screen_x / TILEX;
int top = screen_y / TILEY;
int i;
if (crm == 0) /* no crumbled edges for this tile */
return;
+#if 1
+ g = getObjectGraphic(x, y);
+#endif
+
+ crumbled_border_size = g->crumbled_border_size;
+
+#if NEW_TILESIZE
+ crumbled_border_size = crumbled_border_size * TILESIZE_VAR / TILESIZE;
+#endif
+
+#if 0
+ if (x == 3 && y == 3 && frame == 0)
+ printf("::: %d, %d\n",
+ graphic_info_em_object[207][0].crumbled_src_x,
+ graphic_info_em_object[207][0].crumbled_src_y);
+#endif
+
for (i = 0; i < 4; i++)
{
if (crm & (1 << i))
if (i == 1 || i == 2)
{
- width = g->crumbled_border_size;
+ width = crumbled_border_size;
height = TILEY;
- cx = (i == 2 ? TILEX - g->crumbled_border_size : 0);
+ cx = (i == 2 ? TILEX - crumbled_border_size : 0);
cy = 0;
}
else
{
width = TILEX;
- height = g->crumbled_border_size;
+ height = crumbled_border_size;
cx = 0;
- cy = (i == 3 ? TILEY - g->crumbled_border_size : 0);
+ cy = (i == 3 ? TILEY - crumbled_border_size : 0);
}
if (width > 0 && height > 0)
static void DrawLevelPlayer_EM(int x1, int y1, int player_nr, int anim,
boolean draw_masked)
{
- struct GraphicInfo_EM *g = &graphic_info_em_player[player_nr][anim][frame];
-
+ struct GraphicInfo_EM *g = getPlayerGraphic(player_nr, anim);
int src_x = g->src_x, src_y = g->src_y;
int dst_x, dst_y;
{ 0, +1 }
};
+ if (!game.use_native_emc_graphics_engine)
+ for (y = 2; y < EM_MAX_CAVE_HEIGHT - 2; y++)
+ for (x = 2; x < EM_MAX_CAVE_WIDTH - 2; x++)
+ SetGfxAnimation_EM(&graphic_info_em_object[Draw[y][x]][frame],
+ Draw[y][x], 7 - frame, x - 2, y - 2);
+
for (y = top; y < top + MAX_BUF_YSIZE; y++)
{
for (x = left; x < left + MAX_BUF_XSIZE; x++)
struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame];
int obj = g->unique_identifier;
int crm = 0;
+ boolean redraw_screen_tile = FALSE;
/* re-calculate crumbled state of this tile */
if (g->has_crumbled_graphics)
}
}
+ redraw_screen_tile = (screentiles[sy][sx] != obj ||
+ crumbled_state[sy][sx] != crm);
+
+#if 0
+ /* !!! TEST ONLY -- CHANGE THIS !!! */
+ if (!game.use_native_emc_graphics_engine)
+ redraw_screen_tile = TRUE;
+#endif
+
/* only redraw screen tiles if they (or their crumbled state) changed */
- if (screentiles[sy][sx] != obj || crumbled_state[sy][sx] != crm)
+ if (redraw_screen_tile)
{
DrawLevelField_EM(x, y, sx, sy, FALSE);
DrawLevelFieldCrumbled_EM(x, y, sx, sy, crm, FALSE);
x2 = x1 + TILEX - 1;
y2 = y1 + TILEY - 1;
+#if 0
+ printf("::: %d, %d\n", x1, y1);
+#endif
+
if ((int)(x2 - screen_x) < ((MAX_BUF_XSIZE - 1) * TILEX - 1) &&
(int)(y2 - screen_y) < ((MAX_BUF_YSIZE - 1) * TILEY - 1))
{
DrawLevelField_EM(new_x, new_y, new_sx, new_sy, TRUE);
}
- /* mark screen tiles as dirty */
+ /* redraw screen tiles in the next frame (player may have left the tiles) */
screentiles[old_sy][old_sx] = -1;
screentiles[new_sy][new_sx] = -1;
+
+ /* mark screen tiles as dirty (force screen refresh with changed content) */
+ redraw[old_sx][old_sy] = TRUE;
+ redraw[new_sx][new_sy] = TRUE;
+ redraw_tiles += 2;
}
}
if (quick_relocation)
{
- int offset = (setup.scroll_delay ? 3 : 0);
+ int offset = game.scroll_delay_value;
if (!IN_VIS_FIELD(SCREENX(jx), SCREENY(jy)))
{
int game.centered_player_nr_next = getCenteredPlayerNr_EM();
#endif
#if 1
- int player_nr = getMaxCenterDistancePlayerNr(screen_x, screen_y);
+ int max_center_distance_player_nr =
+ getMaxCenterDistancePlayerNr(screen_x, screen_y);
#else
int player_nr = game_em.last_moving_player;
#endif
int stepsize = TILEX / 8;
- int offset = (setup.scroll_delay ? 3 : 0) * TILEX;
+ int offset = game.scroll_delay_value * TILEX;
int offset_x = offset;
int offset_y = offset;
int screen_x_old = screen_x;
else
{
#if 1
- sx = PLAYER_SCREEN_X(player_nr);
- sy = PLAYER_SCREEN_Y(player_nr);
+ sx = PLAYER_SCREEN_X(max_center_distance_player_nr);
+ sy = PLAYER_SCREEN_Y(max_center_distance_player_nr);
#else
sx = PLAYER_SCREEN_X(game_em.last_moving_player);
sy = PLAYER_SCREEN_Y(game_em.last_moving_player);
if (draw_new_player_location && !quick_relocation)
{
#if 1
- unsigned long game_frame_delay_value = getGameFrameDelay_EM(20);
+ unsigned int game_frame_delay_value = getGameFrameDelay_EM(20);
#else
- unsigned long game_frame_delay_value = getGameFrameDelay_EM(25);
+ unsigned int game_frame_delay_value = getGameFrameDelay_EM(25);
#endif
int wait_delay_value = game_frame_delay_value;
int screen_xx = VALID_SCREEN_X(sx);
blitplayer(&ply[i]);
blitscreen();
- FlushDisplay();
+
Delay(wait_delay_value);
/* scroll second step to align at full tile size */
screen_x -= dxx;
screen_y -= dyy;
+#if 0
SyncDisplay();
+#endif
animscreen();
blitplayer(&ply[i]);
blitscreen();
- FlushDisplay();
+
Delay(wait_delay_value);
}
sy - offset_y > screen_y ? sy - offset_y :
screen_y);
+#if 0
+ printf("::: (%d, %d) => (%d, %d) [(%d, %d), (%d, %d)] [%d, %d] [%d / %d]\n",
+ screen_x_old, screen_y_old,
+ screen_x, screen_y,
+ ply[max_center_distance_player_nr].oldx,
+ ply[max_center_distance_player_nr].x,
+ ply[max_center_distance_player_nr].oldy,
+ ply[max_center_distance_player_nr].y,
+ sx, sy,
+ ABS(screen_x - screen_x_old),
+ ABS(screen_y - screen_y_old));
+#endif
+
+#if 1
+
#if 1
+ /* prevent scrolling further than double player step size when scrolling */
+ if (ABS(screen_x - screen_x_old) > 2 * stepsize)
+ {
+ int dx = SIGN(screen_x - screen_x_old);
+
+ screen_x = screen_x_old + dx * 2 * stepsize;
+ }
+ if (ABS(screen_y - screen_y_old) > 2 * stepsize)
+ {
+ int dy = SIGN(screen_y - screen_y_old);
+
+ screen_y = screen_y_old + dy * 2 * stepsize;
+ }
+#else
/* prevent scrolling further than double player step size when scrolling */
if (ABS(screen_x - screen_x_old) > 2 * stepsize ||
ABS(screen_y - screen_y_old) > 2 * stepsize)
screen_x = screen_x_old + dx * 2 * stepsize;
screen_y = screen_y_old + dy * 2 * stepsize;
}
+#endif
+
#else
/* prevent scrolling further than player step size when scrolling */
if (ABS(screen_x - screen_x_old) > stepsize ||
#if 0
int player_nr = game_em.last_moving_player;
#endif
+ int player_nr = (game.centered_player_nr == -1 ?
+ max_center_distance_player_nr : game.centered_player_nr);
int player_move_dir = game_em.last_player_direction[player_nr];
int dx = SIGN(screen_x - screen_x_old);
int dy = SIGN(screen_y - screen_y_old);
for (i = 0; i < MAX_PLAYERS; i++)
blitplayer(&ply[i]);
+#if 0
+#if 0
SyncDisplay();
+#endif
blitscreen();
-
- FlushDisplay();
+#endif
}
void game_animscreen(void)