* graphics manipulation crap
*/
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
+#include "main_em.h"
-#include "global.h"
-#include "display.h"
-#include "level.h"
+#define MIN_SCREEN_XPOS 1
+#define MIN_SCREEN_YPOS 1
+#define MAX_SCREEN_XPOS MAX(1, lev.width - (SCR_FIELDX - 1))
+#define MAX_SCREEN_YPOS MAX(1, lev.height - (SCR_FIELDY - 1))
-#include <stdio.h>
+#define MIN_SCREEN_X (MIN_SCREEN_XPOS * TILEX)
+#define MIN_SCREEN_Y (MIN_SCREEN_YPOS * TILEY)
+#define MAX_SCREEN_X (MAX_SCREEN_XPOS * TILEX)
+#define MAX_SCREEN_Y (MAX_SCREEN_YPOS * TILEY)
+#define VALID_SCREEN_X(x) ((x) < MIN_SCREEN_X ? MIN_SCREEN_X : \
+ (x) > MAX_SCREEN_X ? MAX_SCREEN_X : (x))
+#define VALID_SCREEN_Y(y) ((y) < MIN_SCREEN_Y ? MIN_SCREEN_Y : \
+ (y) > MAX_SCREEN_Y ? MAX_SCREEN_Y : (y))
-#if defined(TARGET_X11)
+#define PLAYER_SCREEN_X(p) ((( frame) * ply[p].oldx + \
+ (8 - frame) * ply[p].x) * TILEX / 8 \
+ - ((SCR_FIELDX - 1) * TILEX) / 2)
+#define PLAYER_SCREEN_Y(p) ((( frame) * ply[p].oldy + \
+ (8 - frame) * ply[p].y) * TILEY / 8 \
+ - ((SCR_FIELDY - 1) * TILEY) / 2)
-unsigned int frame; /* current frame */
-unsigned int screen_x; /* current scroll position */
-unsigned int screen_y;
+#define USE_EXTENDED_GRAPHICS_ENGINE 0
-static unsigned short screentiles[14][22]; /* tiles currently on screen */
+int frame; /* current screen frame */
+int screen_x; /* current scroll position */
+int screen_y;
-static unsigned int colours[8];
-static unsigned int colour_anim;
+/* tiles currently on screen */
+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];
-static void xdebug(char *msg)
-{
#if 0
- XSync(display, False);
- printf("EM DEBUG: %s\n", msg);
+#if 1
+int centered_player_nr;
+#else
+static int centered_player_nr;
+#endif
#endif
-}
-
-static void colour_shuffle(void)
-{
- unsigned int i, j, k;
-
- for (i = 0; i < 8; i++)
- colours[i] = i;
- for (i = 0; i < 8; i++)
- {
- Random = Random * 129 + 1;
- j = (Random >> 10) & 7;
- k = colours[i];
- colours[i] = colours[j];
- colours[j] = k;
- }
-}
+/* copy the entire screen to the window at the scroll position */
-/* copy the entire screen to the window at the scroll position
- *
- * perhaps use mit-shm to speed this up
- */
-void blitscreen(void)
+void BlitScreenToBitmap_EM(Bitmap *target_bitmap)
{
- unsigned int x = screen_x % (22 * TILEX);
- unsigned int y = screen_y % (14 * TILEY);
-
- xdebug("blitscreen");
+ int x = screen_x % (MAX_BUF_XSIZE * TILEX);
+ int y = screen_y % (MAX_BUF_YSIZE * TILEY);
if (x < 2 * TILEX && y < 2 * TILEY)
{
- BlitBitmap(screenBitmap, window, x, y,
- 20 * TILEX, 12 * TILEY, SX, SY);
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
+ SCR_FIELDX * TILEX, SCR_FIELDY * TILEY, SX, SY);
}
else if (x < 2 * TILEX && y >= 2 * TILEY)
{
- BlitBitmap(screenBitmap, window, x, y,
- 20 * TILEX, 14 * TILEY - y, SX, SY);
- BlitBitmap(screenBitmap, window, x, 0,
- 20 * TILEX, y - 2 * TILEY, SX, SY + 14 * TILEY - y);
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
+ SCR_FIELDX * TILEX, MAX_BUF_YSIZE * TILEY - y,
+ SX, SY);
+ BlitBitmap(screenBitmap, target_bitmap, x, 0,
+ SCR_FIELDX * TILEX, y - 2 * TILEY,
+ SX, SY + MAX_BUF_YSIZE * TILEY - y);
}
else if (x >= 2 * TILEX && y < 2 * TILEY)
{
- BlitBitmap(screenBitmap, window, x, y,
- 22 * TILEX - x, 12 * TILEY, SX, SY);
- BlitBitmap(screenBitmap, window, 0, y,
- x - 2 * TILEX, 12 * TILEY, SX + 22 * TILEX - x, SY);
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
+ MAX_BUF_XSIZE * TILEX - x, SCR_FIELDY * TILEY,
+ SX, SY);
+ BlitBitmap(screenBitmap, target_bitmap, 0, y,
+ x - 2 * TILEX, SCR_FIELDY * TILEY,
+ SX + MAX_BUF_XSIZE * TILEX - x, SY);
}
else
{
- BlitBitmap(screenBitmap, window, x, y,
- 22 * TILEX - x, 14 * TILEY - y, SX, SY);
- BlitBitmap(screenBitmap, window, 0, y,
- x - 2 * TILEX, 14 * TILEY - y, SX + 22 * TILEX - x, SY);
- BlitBitmap(screenBitmap, window, x, 0,
- 22 * TILEX - x, y - 2 * TILEY, SX, SY + 14 * TILEY - y);
- BlitBitmap(screenBitmap, window, 0, 0,
+ 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 + 22 * TILEX - x, SY + 14 * TILEY - y);
+ SX + MAX_BUF_XSIZE * TILEX - x, SY + MAX_BUF_YSIZE * TILEY - y);
}
-
- BlitBitmap(scoreBitmap, window, 0, 0,
- 20 * TILEX, SCOREY, SX, SY + 12 * TILEY);
- XFlush(display);
-
- xdebug("blitscreen - done");
}
-/* draw differences between game tiles and screen tiles
- *
- * implicitly handles scrolling and restoring background under the sprites
- *
- * perhaps use mit-shm to speed this up
- */
-static void animscreen(void)
+void BackToFront_EM(void)
{
- unsigned int x, y, dx, dy;
- unsigned short obj;
- unsigned int left = screen_x / TILEX;
- unsigned int top = screen_y / TILEY;
+ static boolean scrolling_last = FALSE;
+ int left = screen_x / TILEX;
+ int top = screen_y / TILEY;
+ boolean scrolling = (screen_x % TILEX != 0 || screen_y % TILEY != 0);
+ int x, y;
- xdebug("animscreen");
+ SyncDisplay();
- for (y = top; y < top + 14; y++)
+ if (redraw_tiles > REDRAWTILES_THRESHOLD || scrolling || scrolling_last)
{
- dy = y % 14;
- for (x = left; x < left + 22; x++)
- {
- dx = x % 22;
- obj = map_obj[frame][Draw[y][x]];
+ /* blit all (up to four) parts of the scroll buffer to the backbuffer */
+ BlitScreenToBitmap_EM(backbuffer);
- if (screentiles[dy][dx] != obj)
+ /* blit the completely updated backbuffer to the window (in one blit) */
+ BlitBitmap(backbuffer, window, SX, SY, SXSIZE, SYSIZE, SX, SY);
+ }
+ else
+ {
+ for (x = 0; x < SCR_FIELDX; x++)
+ {
+ for (y = 0; y < SCR_FIELDY; y++)
{
- screentiles[dy][dx] = obj;
- BlitBitmap(objBitmap, screenBitmap,
- (obj / 512) * TILEX, (obj % 512) * TILEY / 16,
- TILEX, TILEY, dx * TILEX, dy * TILEY);
+ 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, SY + y * TILEY);
}
}
}
+
+ FlushDisplay();
+
+ for (x = 0; x < MAX_BUF_XSIZE; x++)
+ for (y = 0; y < MAX_BUF_YSIZE; y++)
+ redraw[x][y] = FALSE;
+ redraw_tiles = 0;
+
+ scrolling_last = scrolling;
}
-/* blit players to the screen
- *
- * handles transparency and movement
- */
-static void blitplayer(struct PLAYER *ply)
+void blitscreen(void)
{
- unsigned int x, y, dx, dy;
- unsigned short obj, spr;
+ BackToFront_EM();
+}
- xdebug("blitplayer");
+static void DrawLevelField_EM(int x, int y, int sx, int sy,
+ boolean draw_masked)
+{
+ int tile = Draw[y][x];
+ struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame];
- if (ply->alive)
+#if USE_EXTENDED_GRAPHICS_ENGINE
+ getGraphicSourceObjectExt_EM(tile, frame, &g->bitmap, &g->src_x, &g->src_y,
+ x - 2, y - 2);
+#endif
+
+ 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;
+ int left = screen_x / TILEX;
+ int top = screen_y / TILEY;
+
+ /* do not draw fields that are outside the visible screen area */
+ if (x < left || x >= left + MAX_BUF_XSIZE ||
+ y < top || y >= top + MAX_BUF_YSIZE)
+ return;
+
+ if (draw_masked)
{
- x = (frame * ply->oldx + (8 - frame) * ply->x) * TILEX / 8;
- y = (frame * ply->oldy + (8 - frame) * ply->y) * TILEY / 8;
- dx = x + TILEX - 1;
- dy = y + TILEY - 1;
+ if (width > 0 && height > 0)
+ {
+ SetClipOrigin(g->bitmap, g->bitmap->stored_clip_gc,
+ dst_x - src_x, dst_y - src_y);
+ BlitBitmapMasked(g->bitmap, screenBitmap,
+ src_x, src_y, width, height, dst_x, dst_y);
+ }
+ }
+ else
+ {
+ if ((width != TILEX || height != TILEY) && !g->preserve_background)
+ ClearRectangle(screenBitmap, sx * TILEX, sy * TILEY, TILEX, TILEY);
+
+ if (width > 0 && height > 0)
+ BlitBitmap(g->bitmap, screenBitmap,
+ src_x, src_y, width, height, dst_x, dst_y);
+ }
+}
+
+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];
+ int left = screen_x / TILEX;
+ int top = screen_y / TILEY;
+ int i;
+
+ /* do not draw fields that are outside the visible screen area */
+ if (x < left || x >= left + MAX_BUF_XSIZE ||
+ y < top || y >= top + MAX_BUF_YSIZE)
+ return;
- if ((unsigned int)(dx - screen_x) < (21 * TILEX - 1) &&
- (unsigned int)(dy - screen_y) < (13 * TILEY - 1))
+ if (crm == 0) /* no crumbled edges for this tile */
+ return;
+
+ for (i = 0; i < 4; i++)
+ {
+ if (crm & (1 << i))
{
- spr = map_spr[ply->num][frame][ply->anim];
- x %= 22 * TILEX;
- y %= 14 * TILEY;
- dx %= 22 * TILEX;
- dy %= 14 * TILEY;
+ int width, height, cx, cy;
- if (objmaskBitmap)
+ if (i == 1 || i == 2)
{
- obj = screentiles[y / TILEY][x / TILEX];
- XCopyArea(display, objmaskBitmap, spriteBitmap, spriteGC,
- (obj / 512) * TILEX, (obj % 512) * TILEY / 16, TILEX, TILEY,
- -(x % TILEX), -(y % TILEY));
-
- obj = screentiles[dy / TILEY][dx / TILEX];
- XCopyArea(display, objmaskBitmap, spriteBitmap, spriteGC,
- (obj / 512) * TILEX, (obj % 512) * TILEY / 16, TILEX, TILEY,
- (22 * TILEX - x) % TILEX, (14 * TILEY - y) % TILEY);
+ width = g->crumbled_border_size;
+ height = TILEY;
+ cx = (i == 2 ? TILEX - g->crumbled_border_size : 0);
+ cy = 0;
}
- else if (sprmaskBitmap)
+ else
{
- XCopyArea(display, sprmaskBitmap, spriteBitmap, spriteGC,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY, 0, 0);
+ width = TILEX;
+ height = g->crumbled_border_size;
+ cx = 0;
+ cy = (i == 3 ? TILEY - g->crumbled_border_size : 0);
}
- else
+
+ if (width > 0 && height > 0)
{
- XFillRectangle(display, spriteBitmap, spriteGC, 0, 0, TILEX, TILEY);
+ int src_x = g->crumbled_src_x + cx;
+ int src_y = g->crumbled_src_y + cy;
+ int dst_x = sx * TILEX + cx;
+ int dst_y = sy * TILEY + cy;
+
+ if (draw_masked)
+ {
+ SetClipOrigin(g->crumbled_bitmap, g->crumbled_bitmap->stored_clip_gc,
+ dst_x - src_x, dst_y - src_y);
+ BlitBitmapMasked(g->crumbled_bitmap, screenBitmap,
+ src_x, src_y, width, height, dst_x, dst_y);
+ }
+ else
+ BlitBitmap(g->crumbled_bitmap, screenBitmap,
+ src_x, src_y, width, height, dst_x, dst_y);
}
+ }
+ }
+}
- screentiles[y / TILEY][x / TILEX] = -1; /* mark screen as dirty */
- screentiles[dy / TILEY][dx / TILEX] = -1;
+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];
-#if 1
+#if USE_EXTENDED_GRAPHICS_ENGINE
+ getGraphicSourcePlayerExt_EM(player_nr, anim, frame,
+ &g->bitmap, &g->src_x, &g->src_y);
+#endif
+ int src_x = g->src_x, src_y = g->src_y;
+ int dst_x, dst_y;
-#if 1
+ /* do not draw fields that are outside the visible screen area */
+ if (x1 < screen_x - TILEX || x1 >= screen_x + MAX_BUF_XSIZE * TILEX ||
+ y1 < screen_y - TILEY || y1 >= screen_y + MAX_BUF_YSIZE * TILEY)
+ return;
- SetClipMask(sprBitmap, sprBitmap->stored_clip_gc, spriteBitmap);
+ x1 %= MAX_BUF_XSIZE * TILEX;
+ y1 %= MAX_BUF_YSIZE * TILEY;
- SetClipOrigin(sprBitmap, sprBitmap->stored_clip_gc, x, y);
- BlitBitmapMasked(sprBitmap, screenBitmap,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y);
+ if (draw_masked)
+ {
+ /* draw the player to current location */
+ dst_x = x1;
+ dst_y = y1;
+ SetClipOrigin(g->bitmap, g->bitmap->stored_clip_gc,
+ dst_x - src_x, dst_y - src_y);
+ BlitBitmapMasked(g->bitmap, screenBitmap,
+ src_x, src_y, TILEX, TILEY, dst_x, dst_y);
+
+ /* draw the player to opposite wrap-around column */
+ dst_x = x1 - MAX_BUF_XSIZE * TILEX;
+ dst_y = y1;
+ SetClipOrigin(g->bitmap, g->bitmap->stored_clip_gc,
+ dst_x - src_x, dst_y - src_y);
+ BlitBitmapMasked(g->bitmap, screenBitmap,
+ g->src_x, g->src_y, TILEX, TILEY, dst_x, dst_y);
+
+ /* draw the player to opposite wrap-around row */
+ dst_x = x1;
+ dst_y = y1 - MAX_BUF_YSIZE * TILEY;
+ SetClipOrigin(g->bitmap, g->bitmap->stored_clip_gc,
+ dst_x - src_x, dst_y - src_y);
+ BlitBitmapMasked(g->bitmap, screenBitmap,
+ g->src_x, g->src_y, TILEX, TILEY, dst_x, dst_y);
+ }
+ else
+ {
+ /* draw the player to current location */
+ dst_x = x1;
+ dst_y = y1;
+ BlitBitmap(g->bitmap, screenBitmap,
+ g->src_x, g->src_y, TILEX, TILEY, dst_x, dst_y);
+
+ /* draw the player to opposite wrap-around column */
+ dst_x = x1 - MAX_BUF_XSIZE * TILEX;
+ dst_y = y1;
+ BlitBitmap(g->bitmap, screenBitmap,
+ g->src_x, g->src_y, TILEX, TILEY, dst_x, dst_y);
+
+ /* draw the player to opposite wrap-around row */
+ dst_x = x1;
+ dst_y = y1 - MAX_BUF_YSIZE * TILEY;
+ BlitBitmap(g->bitmap, screenBitmap,
+ g->src_x, g->src_y, TILEX, TILEY, dst_x, dst_y);
+ }
+}
- SetClipOrigin(sprBitmap, sprBitmap->stored_clip_gc, x - 22 * TILEX, y);
- BlitBitmapMasked(sprBitmap, screenBitmap,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x - 22 * TILEX, y);
+/* draw differences between game tiles and screen tiles
+ *
+ * implicitly handles scrolling and restoring background under the sprites
+ */
- SetClipOrigin(sprBitmap, sprBitmap->stored_clip_gc, x, y - 14 * TILEY);
- BlitBitmapMasked(sprBitmap, screenBitmap,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y - 14 * TILEY);
+static void animscreen(void)
+{
+ int x, y, i;
+ int left = screen_x / TILEX;
+ int top = screen_y / TILEY;
+ static int xy[4][2] =
+ {
+ { 0, -1 },
+ { -1, 0 },
+ { +1, 0 },
+ { 0, +1 }
+ };
+
+ for (y = top; y < top + MAX_BUF_YSIZE; y++)
+ {
+ for (x = left; x < left + MAX_BUF_XSIZE; x++)
+ {
+ int sx = x % MAX_BUF_XSIZE;
+ int sy = y % MAX_BUF_YSIZE;
+ int tile = Draw[y][x];
+ struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame];
+ int obj = g->unique_identifier;
+ int crm = 0;
+
+ /* re-calculate crumbled state of this tile */
+ if (g->has_crumbled_graphics)
+ {
+ for (i = 0; i < 4; i++)
+ {
+ int xx = x + xy[i][0];
+ int yy = y + xy[i][1];
+ int tile_next;
+
+ if (xx < 0 || xx >= EM_MAX_CAVE_WIDTH ||
+ yy < 0 || yy >= EM_MAX_CAVE_HEIGHT)
+ continue;
- SetClipMask(sprBitmap, sprBitmap->stored_clip_gc, None);
+ tile_next = Draw[yy][xx];
+
+ if (!graphic_info_em_object[tile_next][frame].has_crumbled_graphics)
+ crm |= (1 << i);
+ }
+ }
+ /* only redraw screen tiles if they (or their crumbled state) changed */
+#if USE_EXTENDED_GRAPHICS_ENGINE
+ // if (screentiles[sy][sx] != obj || crumbled_state[sy][sx] != crm)
#else
+ if (screentiles[sy][sx] != obj || crumbled_state[sy][sx] != crm)
+#endif
+ {
+ DrawLevelField_EM(x, y, sx, sy, FALSE);
+ DrawLevelFieldCrumbled_EM(x, y, sx, sy, crm, FALSE);
+
+ screentiles[sy][sx] = obj;
+ crumbled_state[sy][sx] = crm;
+
+ redraw[sx][sy] = TRUE;
+ redraw_tiles++;
+ }
+ }
+ }
+}
+
+
+/* blit players to the screen
+ *
+ * handles transparency and movement
+ */
- XSetClipMask(display, sprBitmap->stored_clip_gc, spriteBitmap);
+static void blitplayer(struct PLAYER *ply)
+{
+ int x1, y1, x2, y2;
- XSetClipOrigin(display, sprBitmap->stored_clip_gc, x, y);
- XCopyArea(display, sprBitmap->drawable, screenBitmap->drawable,
- sprBitmap->stored_clip_gc,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y);
+ if (!ply->alive)
+ return;
- XSetClipOrigin(display, sprBitmap->stored_clip_gc, x - 22 * TILEX, y);
- XCopyArea(display, sprBitmap->drawable, screenBitmap->drawable,
- sprBitmap->stored_clip_gc,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x - 22 * TILEX, y);
+ /* x1/y1 are left/top and x2/y2 are right/down part of the player movement */
+ x1 = (frame * ply->oldx + (8 - frame) * ply->x) * TILEX / 8;
+ y1 = (frame * ply->oldy + (8 - frame) * ply->y) * TILEY / 8;
+ x2 = x1 + TILEX - 1;
+ y2 = y1 + TILEY - 1;
- XSetClipOrigin(display, sprBitmap->stored_clip_gc, x, y - 14 * TILEY);
- XCopyArea(display, sprBitmap->drawable, screenBitmap->drawable,
- sprBitmap->stored_clip_gc,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y - 14 * TILEY);
+ if ((int)(x2 - screen_x) < ((MAX_BUF_XSIZE - 1) * TILEX - 1) &&
+ (int)(y2 - screen_y) < ((MAX_BUF_YSIZE - 1) * TILEY - 1))
+ {
+ /* some casts to "int" are needed because of negative calculation values */
+ int dx = (int)ply->x - (int)ply->oldx;
+ int dy = (int)ply->y - (int)ply->oldy;
+ int old_x = (int)ply->oldx + (7 - (int)frame) * dx / 8;
+ int old_y = (int)ply->oldy + (7 - (int)frame) * dy / 8;
+ int new_x = old_x + SIGN(dx);
+ int new_y = old_y + SIGN(dy);
+ int old_sx = old_x % MAX_BUF_XSIZE;
+ int old_sy = old_y % MAX_BUF_XSIZE;
+ int new_sx = new_x % MAX_BUF_XSIZE;
+ int new_sy = new_y % MAX_BUF_XSIZE;
+#if 0
+ int old_crm = crumbled_state[old_sy][old_sx];
+#endif
+ int new_crm = crumbled_state[new_sy][new_sx];
- XSetClipMask(display, sprBitmap->stored_clip_gc, None);
+ /* only diggable elements can be crumbled in the classic EM engine */
+ boolean player_is_digging = (new_crm != 0);
+#if 0
+ x1 %= MAX_BUF_XSIZE * TILEX;
+ y1 %= MAX_BUF_YSIZE * TILEY;
+ x2 %= MAX_BUF_XSIZE * TILEX;
+ y2 %= MAX_BUF_YSIZE * TILEY;
#endif
-#else
+ if (player_is_digging)
+ {
+#if 0
+ /* draw the field the player is moving from (under the player) */
+ DrawLevelField_EM(old_x, old_y, old_sx, old_sy, FALSE);
+ DrawLevelFieldCrumbled_EM(old_x, old_y, old_sx, old_sy, old_crm, FALSE);
+#endif
+
+ /* draw the field the player is moving to (under the player) */
+ DrawLevelField_EM(new_x, new_y, new_sx, new_sy, FALSE);
+ DrawLevelFieldCrumbled_EM(new_x, new_y, new_sx, new_sy, new_crm, FALSE);
- XSetClipMask(display, screenGC, spriteBitmap);
- XSetClipOrigin(display, screenGC, x, y);
- XCopyArea(display, sprPixmap, screenPixmap, screenGC,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y);
- XSetClipOrigin(display, screenGC, x - 22 * TILEX, y);
- XCopyArea(display, sprPixmap, screenPixmap, screenGC,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x - 22 * TILEX, y);
- XSetClipOrigin(display, screenGC, x, y - 14 * TILEY);
- XCopyArea(display, sprPixmap, screenPixmap, screenGC,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y - 14 * TILEY);
- XSetClipMask(display, screenGC, None);
+ /* draw the player (masked) over the element he is just digging away */
+ DrawLevelPlayer_EM(x1, y1, ply->num, ply->anim, TRUE);
+#if 1
+ /* draw the field the player is moving from (masked over the player) */
+ DrawLevelField_EM(old_x, old_y, old_sx, old_sy, TRUE);
#endif
}
+ else
+ {
+ /* draw the player under the element which is on the same field */
+ DrawLevelPlayer_EM(x1, y1, ply->num, ply->anim, FALSE);
+
+ /* draw the field the player is moving from (masked over the player) */
+ DrawLevelField_EM(old_x, old_y, old_sx, old_sy, TRUE);
+
+ /* draw the field the player is moving to (masked over the player) */
+ DrawLevelField_EM(new_x, new_y, new_sx, new_sy, TRUE);
+ }
+
+ /* 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;
}
}
void game_initscreen(void)
{
- unsigned int x,y;
-
- xdebug("game_initscreen");
+ int x,y;
+ int dynamite_state = ply[0].dynamite; /* !!! ONLY PLAYER 1 !!! */
+ int all_keys_state = ply[0].keys | ply[1].keys | ply[2].keys | ply[3].keys;
+ int player_nr;
frame = 6;
- screen_x = 0;
- screen_y = 0;
- for (y = 0; y < 14; y++)
- for (x = 0; x < 22; x++)
+#if 0
+ game.centered_player_nr = getCenteredPlayerNr_EM();
+#endif
+
+ player_nr = (game.centered_player_nr != -1 ? game.centered_player_nr : 0);
+
+ screen_x = VALID_SCREEN_X(PLAYER_SCREEN_X(player_nr));
+ screen_y = VALID_SCREEN_Y(PLAYER_SCREEN_Y(player_nr));
+
+ for (y = 0; y < MAX_BUF_YSIZE; y++)
+ {
+ for (x = 0; x < MAX_BUF_XSIZE; x++)
+ {
screentiles[y][x] = -1;
+ crumbled_state[y][x] = 0;
+ }
+ }
- colour_shuffle();
- colours[0] += 16;
- colours[1] += 16;
- colours[2] += 16;
- colour_anim = 0;
-
- ClearRectangle(scoreBitmap, 0, 0, 20 * TILEX, SCOREY);
- BlitBitmap(botBitmap, scoreBitmap,
- 11 * SCOREX, colours[0] * SCOREY, 3 * SCOREX, SCOREY,
- 1 * SCOREX, 0); /* 0-63 time */
- BlitBitmap(botBitmap, scoreBitmap,
- 18 * SCOREX, colours[0] * SCOREY, 6 * SCOREX, SCOREY,
- 15 * SCOREX, 0); /* 112-207 diamonds */
- BlitBitmap(botBitmap, scoreBitmap,
- 14 * SCOREX, colours[0] * SCOREY, 4 * SCOREX, SCOREY,
- 32 * SCOREX, 0); /* 256-319 score */
+ DrawAllGameValues(lev.required, dynamite_state, lev.score,
+ lev.time, all_keys_state);
}
-void game_blitscore(void)
+#if 0
+void DrawRelocatePlayer(struct PlayerInfo *player, boolean quick_relocation)
{
- unsigned int i;
+ boolean ffwd_delay = (tape.playing && tape.fast_forward);
+ boolean no_delay = (tape.warp_forward);
+ int frame_delay_value = (ffwd_delay ? FfwdFrameDelay : GameFrameDelay);
+ int wait_delay_value = (no_delay ? 0 : frame_delay_value);
+ int jx = player->jx;
+ int jy = player->jy;
+
+ if (quick_relocation)
+ {
+ int offset = game.scroll_delay_value;
- xdebug("game_blitscore");
+ if (!IN_VIS_FIELD(SCREENX(jx), SCREENY(jy)))
+ {
+ scroll_x = (player->jx < SBX_Left + MIDPOSX ? SBX_Left :
+ player->jx > SBX_Right + MIDPOSX ? SBX_Right :
+ player->jx - MIDPOSX);
+
+ scroll_y = (player->jy < SBY_Upper + MIDPOSY ? SBY_Upper :
+ player->jy > SBY_Lower + MIDPOSY ? SBY_Lower :
+ player->jy - MIDPOSY);
+ }
+ else
+ {
+ if ((player->MovDir == MV_LEFT && scroll_x > jx - MIDPOSX + offset) ||
+ (player->MovDir == MV_RIGHT && scroll_x < jx - MIDPOSX - offset))
+ scroll_x = jx - MIDPOSX + (scroll_x < jx-MIDPOSX ? -offset : +offset);
+
+ if ((player->MovDir == MV_UP && scroll_y > jy - MIDPOSY + offset) ||
+ (player->MovDir == MV_DOWN && scroll_y < jy - MIDPOSY - offset))
+ scroll_y = jy - MIDPOSY + (scroll_y < jy-MIDPOSY ? -offset : +offset);
- i = (lev.time + 4) / 5;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 7 * SCOREX, 0); i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 6 * SCOREX, 0); i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 5 * SCOREX, 0); i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 4 * SCOREX, 0);
+ /* don't scroll over playfield boundaries */
+ if (scroll_x < SBX_Left || scroll_x > SBX_Right)
+ scroll_x = (scroll_x < SBX_Left ? SBX_Left : SBX_Right);
- i = lev.score;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 39 * SCOREX, 0); i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 38 * SCOREX, 0); i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 37 * SCOREX, 0); i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 36 * SCOREX, 0);
+ /* don't scroll over playfield boundaries */
+ if (scroll_y < SBY_Upper || scroll_y > SBY_Lower)
+ scroll_y = (scroll_y < SBY_Upper ? SBY_Upper : SBY_Lower);
+ }
- if (lev.home == 0)
+ RedrawPlayfield(TRUE, 0,0,0,0);
+ }
+ else
{
- BlitBitmap(botBitmap, scoreBitmap,
- 12 * SCOREX, 24 * SCOREY, 12 * SCOREX, SCOREY,
- 14 * SCOREX, 0); /* relax */
+ int scroll_xx = -999, scroll_yy = -999;
+
+ ScrollScreen(NULL, SCROLL_GO_ON); /* scroll last frame to full tile */
+
+ while (scroll_xx != scroll_x || scroll_yy != scroll_y)
+ {
+ int dx = 0, dy = 0;
+ int fx = FX, fy = FY;
- goto done;
+ scroll_xx = (player->jx < SBX_Left + MIDPOSX ? SBX_Left :
+ player->jx > SBX_Right + MIDPOSX ? SBX_Right :
+ player->jx - MIDPOSX);
+
+ scroll_yy = (player->jy < SBY_Upper + MIDPOSY ? SBY_Upper :
+ player->jy > SBY_Lower + MIDPOSY ? SBY_Lower :
+ player->jy - MIDPOSY);
+
+ dx = (scroll_xx < scroll_x ? +1 : scroll_xx > scroll_x ? -1 : 0);
+ dy = (scroll_yy < scroll_y ? +1 : scroll_yy > scroll_y ? -1 : 0);
+
+ if (dx == 0 && dy == 0) /* no scrolling needed at all */
+ break;
+
+ scroll_x -= dx;
+ scroll_y -= dy;
+
+ fx += dx * TILEX / 2;
+ fy += dy * TILEY / 2;
+
+ ScrollLevel(dx, dy);
+ DrawAllPlayers();
+
+ /* scroll in two steps of half tile size to make things smoother */
+ BlitBitmap(drawto_field, window, fx, fy, SXSIZE, SYSIZE, SX, SY);
+ FlushDisplay();
+ Delay(wait_delay_value);
+
+ /* scroll second step to align at full tile size */
+ BackToFront();
+ Delay(wait_delay_value);
+ }
+
+ DrawPlayer(player);
+ BackToFront();
+ Delay(wait_delay_value);
}
+}
+#endif
+
+static int getMaxCenterDistancePlayerNr(int center_x, int center_y)
+{
+ int max_dx = 0, max_dy = 0;
+ int player_nr = game_em.last_moving_player;
+ int i;
- if (ply1.alive + ply2.alive >= lev.home && lev.required == 0)
+ for (i = 0; i < MAX_PLAYERS; i++)
{
- BlitBitmap(botBitmap, scoreBitmap,
- 24 * SCOREX, colours[2] * SCOREY, 12 * SCOREX, SCOREY,
- 14 * SCOREX, 0); /* find the exit */
+ if (ply[i].alive)
+ {
+ int sx = PLAYER_SCREEN_X(i);
+ int sy = PLAYER_SCREEN_Y(i);
- goto done;
+ if (game_em.last_player_direction[i] != MV_NONE &&
+ (ABS(sx - center_x) > max_dx ||
+ ABS(sy - center_y) > max_dy))
+ {
+ max_dx = MAX(max_dx, ABS(sx - center_x));
+ max_dy = MAX(max_dy, ABS(sy - center_y));
+
+ player_nr = i;
+ }
+ }
}
- if (ply1.alive + ply2.alive < lev.home)
- {
- if (++colour_anim > 11)
- colour_anim = 0;
+ return player_nr;
+}
- if (colour_anim < 6)
+static void setMinimalPlayerBoundaries(int *sx1, int *sy1, int *sx2, int *sy2)
+{
+ boolean num_checked_players = 0;
+ int i;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ if (ply[i].alive)
{
- BlitBitmap(botBitmap, scoreBitmap,
- 0, 24 * SCOREY, 12 * SCOREX, SCOREY,
- 14 * SCOREX, 0); /* forget it */
+ int sx = PLAYER_SCREEN_X(i);
+ int sy = PLAYER_SCREEN_Y(i);
+
+ if (num_checked_players == 0)
+ {
+ *sx1 = *sx2 = sx;
+ *sy1 = *sy2 = sy;
+ }
+ else
+ {
+ *sx1 = MIN(*sx1, sx);
+ *sy1 = MIN(*sy1, sy);
+ *sx2 = MAX(*sx2, sx);
+ *sy2 = MAX(*sy2, sy);
+ }
- goto done;
+ num_checked_players++;
}
+ }
+}
+
+boolean checkIfAllPlayersFitToScreen()
+{
+ int sx1 = 0, sy1 = 0, sx2 = 0, sy2 = 0;
+
+ setMinimalPlayerBoundaries(&sx1, &sy1, &sx2, &sy2);
- BlitBitmap(botBitmap, scoreBitmap,
- 18 * SCOREX, colours[0] * SCOREY, 6 * SCOREX, SCOREY,
- 15 * SCOREX, 0); /* diamonds */
- }
-
- i = lev.required;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 24 * SCOREX, 0); i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 23 * SCOREX, 0); i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 22 * SCOREX, 0); i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 21 * SCOREX, 0);
-
- done:
+ return (sx2 - sx1 <= SCR_FIELDX * TILEX &&
+ sy2 - sy1 <= SCR_FIELDY * TILEY);
}
-void game_animscreen(void)
+static void setScreenCenteredToAllPlayers(int *sx, int *sy)
{
- unsigned int x,y;
+ int sx1 = screen_x, sy1 = screen_y, sx2 = screen_x, sy2 = screen_y;
- xdebug("game_animscreen");
+ setMinimalPlayerBoundaries(&sx1, &sy1, &sx2, &sy2);
- x = (frame * ply1.oldx + (8 - frame) * ply1.x) * TILEX / 8
- + (19 * TILEX) / 2;
- y = (frame * ply1.oldy + (8 - frame) * ply1.y) * TILEY / 8
- + (11 * TILEY) / 2;
+ *sx = (sx1 + sx2) / 2;
+ *sy = (sy1 + sy2) / 2;
+}
- if (x > lev.width * TILEX)
- x = lev.width * TILEX;
- if (y > lev.height * TILEY)
- y = lev.height * TILEY;
- if (x < 20 * TILEX)
- x = 20 * TILEY;
- if (y < 12 * TILEY)
- y = 12 * TILEY;
+static void setMaxCenterDistanceForAllPlayers(int *max_dx, int *max_dy,
+ int center_x, int center_y)
+{
+ int sx1 = center_x, sy1 = center_y, sx2 = center_x, sy2 = center_y;
- screen_x = x - 19 * TILEX;
- screen_y = y - 11 * TILEY;
+ setMinimalPlayerBoundaries(&sx1, &sy1, &sx2, &sy2);
- animscreen();
- blitplayer(&ply1);
- blitplayer(&ply2);
- blitscreen();
+ *max_dx = MAX(ABS(sx1 - center_x), ABS(sx2 - center_x));
+ *max_dy = MAX(ABS(sy1 - center_y), ABS(sy2 - center_y));
+}
- XFlush(display);
+static boolean checkIfAllPlayersAreVisible(int center_x, int center_y)
+{
+ int max_dx, max_dy;
+
+ setMaxCenterDistanceForAllPlayers(&max_dx, &max_dy, center_x, center_y);
- Random = Random * 129 + 1;
+ return (max_dx <= SCR_FIELDX * TILEX / 2 &&
+ max_dy <= SCR_FIELDY * TILEY / 2);
}
-void title_initscreen(void)
+void RedrawPlayfield_EM(boolean force_redraw)
{
- xdebug("title_initscreen");
+#if 0
+ boolean all_players_visible = checkIfAllPlayersAreVisible();
+#endif
+ boolean draw_new_player_location = FALSE;
+ boolean quick_relocation = setup.quick_switch;
+#if 0
+ boolean scrolling = (screen_x % TILEX != 0 || screen_y % TILEY != 0);
+#endif
+#if 0
+ boolean game.set_centered_player = getSetCenteredPlayer_EM();
+ int game.centered_player_nr_next = getCenteredPlayerNr_EM();
+#endif
+#if 1
+ 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 = game.scroll_delay_value * TILEX;
+ int offset_x = offset;
+ int offset_y = offset;
+ int screen_x_old = screen_x;
+ int screen_y_old = screen_y;
+ int x, y, sx, sy;
+ int i;
- screen_x = 0;
- screen_y = 0;
+ if (game.set_centered_player)
+ {
+ boolean all_players_fit_to_screen = checkIfAllPlayersFitToScreen();
- colour_shuffle();
- colours[1] += 8;
- colour_anim = 0;
+ /* switching to "all players" only possible if all players fit to screen */
+ if (game.centered_player_nr_next == -1 && !all_players_fit_to_screen)
+ {
+ game.centered_player_nr_next = game.centered_player_nr;
+ game.set_centered_player = FALSE;
+ }
+ /* do not switch focus to non-existing (or non-active) player */
+ if (game.centered_player_nr_next >= 0 &&
+ !ply[game.centered_player_nr_next].alive)
+ {
+ game.centered_player_nr_next = game.centered_player_nr;
+ game.set_centered_player = FALSE;
+ }
+ }
+
+#if 1
+ /* also allow focus switching when screen is scrolled to half tile */
+#else
+ if (!scrolling) /* screen currently aligned at tile position */
+#endif
+ {
#if 1
+ if (game.set_centered_player)
+#else
+ if (game.centered_player_nr != game.centered_player_nr_next)
+#endif
+ {
+ game.centered_player_nr = game.centered_player_nr_next;
- BlitBitmap(ttlBitmap, screenBitmap,
- 0, 0, 20 * TILEX, 12 * TILEY, 0, 0);
+ draw_new_player_location = TRUE;
+ force_redraw = TRUE;
- if (botmaskBitmap)
+ game.set_centered_player = FALSE;
+ }
+ }
+
+ if (game.centered_player_nr == -1)
{
- BlitBitmap(botBitmap, scoreBitmap,
- 0, colours[1] * SCOREY, 20 * TILEX, SCOREY, 0, 0);
+#if 1
+ if (draw_new_player_location || offset == 0)
+#else
+ if (draw_new_player_location)
+#endif
+ {
+ setScreenCenteredToAllPlayers(&sx, &sy);
+ }
+ else
+ {
+#if 1
+ 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);
+#endif
+ }
+ }
+ else
+ {
+ sx = PLAYER_SCREEN_X(game.centered_player_nr);
+ sy = PLAYER_SCREEN_Y(game.centered_player_nr);
+ }
+
+ if (draw_new_player_location && quick_relocation)
+ {
+ screen_x = VALID_SCREEN_X(sx);
+ screen_y = VALID_SCREEN_Y(sy);
+ screen_x_old = screen_x;
+ screen_y_old = screen_y;
- SetClipOrigin(botBitmap, botBitmap->stored_clip_gc,
- 0, 0 - colours[0] * SCOREY);
+#if 0
+ offset_x = 0;
+ offset_y = 0;
+#endif
}
- BlitBitmapMasked(botBitmap, scoreBitmap,
- 0, colours[0] * SCOREY, 20 * TILEX, SCOREY, 0, 0);
+ if (draw_new_player_location && !quick_relocation)
+ {
+#if 1
+ unsigned long game_frame_delay_value = getGameFrameDelay_EM(20);
+#else
+ unsigned long game_frame_delay_value = getGameFrameDelay_EM(25);
+#endif
+ int wait_delay_value = game_frame_delay_value;
+ int screen_xx = VALID_SCREEN_X(sx);
+ int screen_yy = VALID_SCREEN_Y(sy);
+
+ while (screen_x != screen_xx || screen_y != screen_yy)
+ {
+ int dx = (screen_xx < screen_x ? +1 : screen_xx > screen_x ? -1 : 0);
+ int dy = (screen_yy < screen_y ? +1 : screen_yy > screen_y ? -1 : 0);
+ int dxx = 0, dyy = 0;
+
+ if (dx == 0 && dy == 0) /* no scrolling needed at all */
+ break;
+
+#if 1
+
+ if (ABS(screen_xx - screen_x) >= TILEX)
+ {
+ screen_x -= dx * TILEX;
+ dxx = dx * TILEX / 2;
+ }
+ else
+ {
+ screen_x = screen_xx;
+ dxx = 0;
+ }
+
+ if (ABS(screen_yy - screen_y) >= TILEY)
+ {
+ screen_y -= dy * TILEY;
+ dyy = dy * TILEY / 2;
+ }
+ else
+ {
+ screen_y = screen_yy;
+ dyy = 0;
+ }
#else
- XCopyArea(display, ttlPixmap, screenPixmap, screenGC,
- 0, 0, 20 * TILEX, 12 * TILEY, 0, 0);
+#if 1
+ if (ABS(screen_xx - screen_x) >= TILEX ||
+ ABS(screen_yy - screen_y) >= TILEY)
+ {
+ screen_x -= dx * TILEX;
+ screen_y -= dy * TILEY;
- if (botmaskBitmap)
- {
- XCopyArea(display, botPixmap, scorePixmap, scoreGC,
- 0, colours[1] * SCOREY, 20 * TILEX, SCOREY, 0, 0);
- XSetClipMask(display, scoreGC, botmaskBitmap);
- XSetClipOrigin(display, scoreGC, 0, 0 - colours[0] * SCOREY);
- }
+ dxx = dx * TILEX / 2;
+ dyy = dy * TILEY / 2;
+ }
+ else
+ {
+ screen_x = screen_xx;
+ screen_y = screen_yy;
+
+ dxx = 0;
+ dyy = 0;
+ }
+#else
+ screen_x -= dx * TILEX;
+ screen_y -= dy * TILEY;
+
+ dxx += dx * TILEX / 2;
+ dyy += dy * TILEY / 2;
+#endif
+
+#endif
- XCopyArea(display, botPixmap, scorePixmap, scoreGC,
- 0, colours[0] * SCOREY, 20 * TILEX, SCOREY, 0, 0);
+ /* scroll in two steps of half tile size to make things smoother */
+ screen_x += dxx;
+ screen_y += dyy;
- if (botmaskBitmap)
- XSetClipMask(display, scoreGC, None);
+ animscreen();
+ for (i = 0; i < MAX_PLAYERS; i++)
+ blitplayer(&ply[i]);
+
+ blitscreen();
+
+ Delay(wait_delay_value);
+
+ /* scroll second step to align at full tile size */
+ screen_x -= dxx;
+ screen_y -= dyy;
+
+#if 0
+ SyncDisplay();
#endif
-}
-void title_blitscore(void)
-{
- unsigned int x, y, i;
+ animscreen();
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ blitplayer(&ply[i]);
+
+ blitscreen();
+
+ Delay(wait_delay_value);
+ }
+
+ screen_x_old = screen_x;
+ screen_y_old = screen_y;
+ }
+
+ if (force_redraw)
+ {
+ for (y = 0; y < MAX_BUF_YSIZE; y++)
+ {
+ for (x = 0; x < MAX_BUF_XSIZE; x++)
+ {
+ screentiles[y][x] = -1;
+ crumbled_state[y][x] = 0;
+ }
+ }
+ }
- xdebug("title_blitscore");
+ /* calculate new screen scrolling position, with regard to scroll delay */
+ screen_x = VALID_SCREEN_X(sx + offset_x < screen_x ? sx + offset_x :
+ sx - offset_x > screen_x ? sx - offset_x :
+ screen_x);
+ screen_y = VALID_SCREEN_Y(sy + offset_y < screen_y ? sy + offset_y :
+ sy - offset_y > screen_y ? sy - offset_y :
+ screen_y);
- if (++colour_anim > 30)
- colour_anim = 0;
+#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
- i = colour_anim >= 16 ? 31 - colour_anim : colour_anim;
- x = (i / 8 + 18) * 2 * SCOREX;
- y = (i % 8 + 16) * SCOREY;
+#if 1
#if 1
- if (botmaskBitmap)
+ /* prevent scrolling further than double player step size when scrolling */
+ if (ABS(screen_x - screen_x_old) > 2 * stepsize)
{
- BlitBitmap(botBitmap, scoreBitmap,
- 32 * SCOREX, colours[1] * SCOREY, 2 * SCOREX, SCOREY,
- 32 * SCOREX, 0);
+ int dx = SIGN(screen_x - screen_x_old);
- SetClipOrigin(botBitmap, botBitmap->stored_clip_gc,
- 32 * SCOREX - x, 0 - y);
+ 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);
- BlitBitmapMasked(botBitmap, scoreBitmap,
- x, y, 2 * SCOREX, SCOREY, 32 * SCOREX, 0);
-
+ screen_y = screen_y_old + dy * 2 * stepsize;
+ }
#else
-
- if (botmaskBitmap)
+ /* 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)
{
- XCopyArea(display, botPixmap, scorePixmap, scoreGC,
- 32 * SCOREX, colours[1] * SCOREY, 2 * SCOREX, SCOREY,
- 32 * SCOREX, 0);
- XSetClipMask(display, scoreGC, botmaskBitmap);
- XSetClipOrigin(display, scoreGC, 32 * SCOREX - x, 0 - y);
+ int dx = SIGN(screen_x - screen_x_old);
+ int dy = SIGN(screen_y - screen_y_old);
+
+ screen_x = screen_x_old + dx * 2 * stepsize;
+ screen_y = screen_y_old + dy * 2 * stepsize;
}
+#endif
- XCopyArea(display, botPixmap, scorePixmap, scoreGC,
- x, y, 2 * SCOREX, SCOREY, 32 * SCOREX, 0);
+#else
+ /* prevent scrolling further than player step size when scrolling */
+ if (ABS(screen_x - screen_x_old) > stepsize ||
+ ABS(screen_y - screen_y_old) > stepsize)
+ {
+ int dx = SIGN(screen_x - screen_x_old);
+ int dy = SIGN(screen_y - screen_y_old);
- if (botmaskBitmap)
- XSetClipMask(display, scoreGC, None);
+ screen_x = screen_x_old + dx * stepsize;
+ screen_y = screen_y_old + dy * stepsize;
+ }
#endif
-}
-void title_blitants(unsigned int y)
-{
- static const char ants_dashes[2] = { 8, 7 };
+ /* prevent scrolling away from the other players when focus on all players */
+ if (game.centered_player_nr == -1)
+ {
+#if 1
+ /* check if all players are still visible with new scrolling position */
+ if (checkIfAllPlayersAreVisible(screen_x_old, screen_y_old) &&
+ !checkIfAllPlayersAreVisible(screen_x, screen_y))
+ {
+ /* reset horizontal scroll position to last value, if needed */
+ if (!checkIfAllPlayersAreVisible(screen_x, screen_y_old))
+ screen_x = screen_x_old;
- xdebug("title_blitants");
+ /* reset vertical scroll position to last value, if needed */
+ if (!checkIfAllPlayersAreVisible(screen_x_old, screen_y))
+ screen_y = screen_y_old;
+ }
+#else
+ boolean all_players_visible = checkIfAllPlayersAreVisible();
- XSetDashes(display, antsGC, colour_anim, ants_dashes, 2);
- XDrawRectangle(display, screenPixmap, antsGC,
- 0, y * TILEY, 20 * TILEX - 1, TILEY - 1);
-}
+ if (!all_players_visible)
+ {
+ printf("::: not all players visible\n");
-void title_animscreen(void)
-{
- blitscreen();
- XFlush(display);
+ screen_x = screen_x_old;
+ screen_y = screen_y_old;
+ }
+#endif
+ }
- Random = Random * 129 + 1;
-}
+ /* prevent scrolling (for screen correcting) if no player is moving */
+ if (!game_em.any_player_moving)
+ {
+ screen_x = screen_x_old;
+ screen_y = screen_y_old;
+ }
+ else
+ {
+ /* prevent scrolling against the players move direction */
+#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);
+
+ if ((dx < 0 && player_move_dir != MV_LEFT) ||
+ (dx > 0 && player_move_dir != MV_RIGHT))
+ screen_x = screen_x_old;
+
+ if ((dy < 0 && player_move_dir != MV_UP) ||
+ (dy > 0 && player_move_dir != MV_DOWN))
+ screen_y = screen_y_old;
+ }
-static int ttl_map[] =
-{
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,0,-1,-1,-1,-1,-1,1,-1,-1,-1,-1,2,3,4,-1, /* !',-. */
- 5,6,7,8,9,10,11,12,13,14,15,-1,-1,-1,-1,16, /* 0123456789:? */
- -1,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, /* ABCDEFGHIJKLMNO */
- 32,33,34,35,36,37,38,39,40,41,42,-1,-1,-1,-1,-1, /* PQRSTUVWXYZ */
- -1,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, /* abcdefghijklmno */
- 32,33,34,35,36,37,38,39,40,41,42,-1,-1,-1,-1,-1 /* pqrstuvwxyz */
-};
-
-void title_string(unsigned int y, unsigned int left, unsigned int right,
- char *string)
-{
- int i;
- unsigned int x;
+ animscreen();
- xdebug("title_string");
+ for (i = 0; i < MAX_PLAYERS; i++)
+ blitplayer(&ply[i]);
- y *= TILEY;
- left *= SCOREX;
- right *= SCOREX;
+#if 0
+#if 0
+ SyncDisplay();
+#endif
- x = (left + right - strlen(string) * MENUFONTX) / 2;
- if (x < left || x >= right) x = left;
+ blitscreen();
+#endif
+}
- /* restore background graphic where text will be drawn */
- BlitBitmap(ttlBitmap, screenBitmap,
- left, y, right - left, MENUFONTY, left, y);
+void game_animscreen(void)
+{
+ RedrawPlayfield_EM(FALSE);
+}
+void DrawGameDoorValues_EM()
+{
#if 1
+ int dynamite_state;
+ int key_state;
#else
- if (ttlmaskBitmap)
- XSetClipMask(display, screenGC, ttlmaskBitmap);
+ int dynamite_state = ply[0].dynamite; /* !!! ONLY PLAYER 1 !!! */
+ int key_state = ply[0].keys | ply[1].keys | ply[2].keys | ply[3].keys;
#endif
- for (i = 0; string[i] && x < right; i++)
+#if 1
+ if (game.centered_player_nr == -1)
{
- int ch_pos, ch_x, ch_y;
-
- ch_pos = ttl_map[string[i] & 127];
-
- if (ch_pos == -1 || ch_pos > 22 * 2)
- continue; /* no graphic for this character */
+#if 1
+ int i;
- ch_x = (ch_pos % 22) * GFXMENUFONTX;
- ch_y = (ch_pos / 22 + 12) * TILEY;
+ dynamite_state = 0;
+ key_state = 0;
-#if 1
- SetClipOrigin(ttlBitmap, ttlBitmap->stored_clip_gc,
- x - ch_x, y - ch_y);
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ dynamite_state += ply[i].dynamite;
+ key_state |= ply[i].keys;
+ }
- BlitBitmapMasked(ttlBitmap, screenBitmap,
- ch_x, ch_y, MENUFONTX, MENUFONTY, x, y);
#else
- if (ttlmaskBitmap)
- XSetClipOrigin(display, screenGC, x - ch_x, y - ch_y);
- XCopyArea(display, ttlPixmap, screenPixmap, screenGC,
- ch_x, ch_y, MENUFONTX, MENUFONTY, x, y);
+ dynamite_state = ply[0].dynamite; /* !!! ONLY PLAYER 1 !!! */
+ key_state = ply[0].keys | ply[1].keys | ply[2].keys | ply[3].keys;
#endif
+ }
+ else
+ {
+ int player_nr = game.centered_player_nr;
- x += MENUFONTX;
+ dynamite_state = ply[player_nr].dynamite;
+ key_state = ply[player_nr].keys;
}
+#endif
#if 1
+ DrawAllGameValues(lev.required, dynamite_state, lev.score,
+ lev.time, key_state);
#else
- XSetClipMask(display, screenGC, None);
+ DrawAllGameValues(lev.required, ply1.dynamite, lev.score,
+ DISPLAY_TIME(lev.time), ply1.keys | ply2.keys);
#endif
}
-
-#endif
projects / rocksndiamonds.git / blobdiff