X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_em%2Fgraphics.c;h=06f974a2e935777387583b68373e7897e55b2ff6;hb=1e4a6b46371858fdb85052eec3e7143732ff91b5;hp=f7f099a54917d15a6db5c4c24fcc19082f3db481;hpb=2b65ec99f743dde3ee41083cf89623d4d9b8740e;p=rocksndiamonds.git diff --git a/src/game_em/graphics.c b/src/game_em/graphics.c index f7f099a5..06f974a2 100644 --- a/src/game_em/graphics.c +++ b/src/game_em/graphics.c @@ -3,399 +3,433 @@ * graphics manipulation crap */ -#include -#include - #include "global.h" #include "display.h" #include "level.h" -#include - - -#if defined(TARGET_X11) -unsigned int frame; /* current frame */ -unsigned int screen_x; /* current scroll position */ +unsigned int frame; /* current screen frame */ +unsigned int screen_x; /* current scroll position */ unsigned int screen_y; -static unsigned short screentiles[14][22]; /* tiles currently on screen */ - -static unsigned int colours[8]; -static unsigned int colour_anim; - -static void xdebug(char *msg) -{ -#if 0 - XSync(display, False); - printf("EM DEBUG: %s\n", msg); -#endif -} +/* tiles currently on screen */ +static unsigned int screentiles[MAX_BUF_YSIZE][MAX_BUF_XSIZE]; +static unsigned int crumbled_state[MAX_BUF_YSIZE][MAX_BUF_XSIZE]; -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 * * perhaps use mit-shm to speed this up */ -void blitscreen(void) -{ - unsigned int x = screen_x % (22 * TILEX); - unsigned int y = screen_y % (14 * TILEY); - - xdebug("blitscreen"); - -#if 0 - printf("::: %d, %d [%d, %d]\n", x, y, TILEX, TILEY); -#endif - if (x < 2 * TILEX && y < 2 * TILEY) { - -#if 0 - printf("!!! %ld, %ld, %ld, %ld\n", - display, screenPixmap, xwindow, screenGC); -#endif - - XCopyArea(display, screenPixmap, xwindow, screenGC, x, y, 20 * TILEX, 12 * TILEY, SX, SY); - } else if (x < 2 * TILEX && y >= 2 * TILEY) { - XCopyArea(display, screenPixmap, xwindow, screenGC, x, y, 20 * TILEX, 14 * TILEY - y, SX, SY); - XCopyArea(display, screenPixmap, xwindow, screenGC, x, 0, 20 * TILEX, y - 2 * TILEY, SX, SY + 14 * TILEY - y); - } else if (x >= 2 * TILEX && y < 2 * TILEY) { - XCopyArea(display, screenPixmap, xwindow, screenGC, x, y, 22 * TILEX - x, 12 * TILEY, SX, SY); - XCopyArea(display, screenPixmap, xwindow, screenGC, 0, y, x - 2 * TILEX, 12 * TILEY, SX + 22 * TILEX - x, SY); - } else { - XCopyArea(display, screenPixmap, xwindow, screenGC, x, y, 22 * TILEX - x, 14 * TILEY - y, SX, SY); - XCopyArea(display, screenPixmap, xwindow, screenGC, 0, y, x - 2 * TILEX, 14 * TILEY - y, SX + 22 * TILEX - x, SY); - XCopyArea(display, screenPixmap, xwindow, screenGC, x, 0, 22 * TILEX - x, y - 2 * TILEY, SX, SY + 14 * TILEY - y); - XCopyArea(display, screenPixmap, xwindow, screenGC, 0, 0, x - 2 * TILEX, y - 2 * TILEY, SX + 22 * TILEX - x, SY + 14 * TILEY - y); - } +void BlitScreenToBitmap_EM(Bitmap *target_bitmap) +{ + unsigned int x = screen_x % (MAX_BUF_XSIZE * TILEX); + unsigned int y = screen_y % (MAX_BUF_YSIZE * TILEY); - XCopyArea(display, scorePixmap, xwindow, scoreGC, 0, 0, 20 * TILEX, SCOREY, SX, SY + 12 * TILEY); - XFlush(display); + if (x < 2 * TILEX && y < 2 * TILEY) + { + BlitBitmap(screenBitmap, target_bitmap, x, y, + SCR_FIELDX * TILEX, SCR_FIELDY * TILEY, SX, SY); + } + else if (x < 2 * TILEX && y >= 2 * TILEY) + { + 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, 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, 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); + } +} - xdebug("blitscreen - done"); +void blitscreen(void) +{ + BlitScreenToBitmap_EM(window); } -/* 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) +static void DrawLevelField_EM(int x, int y, int sx, int sy, + boolean draw_masked) { - unsigned int x, y, dx, dy; - unsigned short obj; - unsigned int left = screen_x / TILEX; - unsigned int top = screen_y / TILEY; - - xdebug("animscreen"); - - for (y = top; y < top + 14; y++) { - dy = y % 14; - for (x = left; x < left + 22; x++) { - dx = x % 22; - obj = map_obj[frame][Draw[y][x]]; - if (screentiles[dy][dx] != obj) { - screentiles[dy][dx] = obj; - XCopyArea(display, objPixmap, screenPixmap, screenGC, (obj / 512) * TILEX, (obj % 512) * TILEY / 16, TILEX, TILEY, dx * TILEX, dy * TILEY); - } - } - } + int tile = Draw[y][x]; + struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame]; + 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; + + if (draw_masked) + { + 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); + } } -/* blit players to the screen - * - * handles transparency and movement - */ -static void blitplayer(struct PLAYER *ply) +static void DrawLevelFieldCrumbled_EM(int x, int y, int sx, int sy, + int crm, boolean draw_masked) { - unsigned int x, y, dx, dy; - unsigned short obj, spr; + int tile = Draw[y][x]; + struct GraphicInfo_EM *g = &graphic_info_em_object[tile][frame]; + unsigned int i; - xdebug("blitplayer"); + if (crm == 0) /* no crumbled edges for this tile */ + return; - if (ply->alive) + for (i = 0; i < 4; i++) { - 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 ((unsigned int)(dx - screen_x) < (21 * TILEX - 1) && - (unsigned int)(dy - screen_y) < (13 * TILEY - 1)) + 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); - } - else if (sprmaskBitmap) - { - XCopyArea(display, sprmaskBitmap, spriteBitmap, spriteGC, - (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY, 0, 0); + width = g->crumbled_border_size; + height = TILEY; + cx = (i == 2 ? TILEX - g->crumbled_border_size : 0); + cy = 0; } else { - XFillRectangle(display, spriteBitmap, spriteGC, 0, 0, TILEX, TILEY); + width = TILEX; + height = g->crumbled_border_size; + cx = 0; + cy = (i == 3 ? TILEY - g->crumbled_border_size : 0); } - screentiles[y / TILEY][x / TILEX] = -1; /* mark screen as dirty */ - screentiles[dy / TILEY][dx / TILEX] = -1; - - 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); + if (width > 0 && height > 0) + { + 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); + } } } } -void game_initscreen(void) +static void DrawLevelPlayer_EM(int x1, int y1, int player_nr, int anim, + boolean draw_masked) { - unsigned int x,y; - - xdebug("game_initscreen"); + struct GraphicInfo_EM *g = &graphic_info_em_player[player_nr][anim][frame]; - frame = 6; - screen_x = 0; - screen_y = 0; + int src_x = g->src_x, src_y = g->src_y; + int dst_x, dst_y; - for (y = 0; y < 14; y++) { - for (x = 0; x < 22; x++) { - screentiles[y][x] = -1; - } - } - - colour_shuffle(); - colours[0] += 16; - colours[1] += 16; - colours[2] += 16; - colour_anim = 0; - - XFillRectangle(display, scorePixmap, scoreGC, 0, 0, 20 * TILEX, SCOREY); - XCopyArea(display, botPixmap, scorePixmap, scoreGC, 11 * SCOREX, colours[0] * SCOREY, 3 * SCOREX, SCOREY, 1 * SCOREX, 0); /* 0-63 time */ - XCopyArea(display, botPixmap, scorePixmap, scoreGC, 18 * SCOREX, colours[0] * SCOREY, 6 * SCOREX, SCOREY, 15 * SCOREX, 0); /* 112-207 diamonds */ - XCopyArea(display, botPixmap, scorePixmap, scoreGC, 14 * SCOREX, colours[0] * SCOREY, 4 * SCOREX, SCOREY, 32 * SCOREX, 0); /* 256-319 score */ + 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); + } } -void game_blitscore(void) -{ - unsigned int i; - - xdebug("game_blitscore"); - - i = (lev.time + 4) / 5; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 7 * SCOREX, 0); i /= 10; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 6 * SCOREX, 0); i /= 10; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 5 * SCOREX, 0); i /= 10; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 4 * SCOREX, 0); - i = lev.score; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 39 * SCOREX, 0); i /= 10; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 38 * SCOREX, 0); i /= 10; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 37 * SCOREX, 0); i /= 10; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 36 * SCOREX, 0); - if (lev.home == 0) { - XCopyArea(display, botPixmap, scorePixmap, scoreGC, 12 * SCOREX, 24 * SCOREY, 12 * SCOREX, SCOREY, 14 * SCOREX, 0); /* relax */ - goto done; - } - if (ply1.alive + ply2.alive >= lev.home && lev.required == 0) { - XCopyArea(display, botPixmap, scorePixmap, scoreGC, 24 * SCOREX, colours[2] * SCOREY, 12 * SCOREX, SCOREY, 14 * SCOREX, 0); /* find the exit */ - goto done; - } - if (ply1.alive + ply2.alive < lev.home) { - if (++colour_anim > 11) colour_anim = 0; - if (colour_anim < 6) { - XCopyArea(display, botPixmap, scorePixmap, scoreGC, 0, 24 * SCOREY, 12 * SCOREX, SCOREY, 14 * SCOREX, 0); /* forget it */ - goto done; - } - XCopyArea(display, botPixmap, scorePixmap, scoreGC, 18 * SCOREX, colours[0] * SCOREY, 6 * SCOREX, SCOREY, 15 * SCOREX, 0); /* diamonds */ - } - i = lev.required; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 24 * SCOREX, 0); i /= 10; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 23 * SCOREX, 0); i /= 10; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 22 * SCOREX, 0); i /= 10; - XCopyArea(display, botPixmap, scorePixmap, scoreGC, (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY, 21 * SCOREX, 0); -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 + */ -void game_animscreen(void) +static void animscreen(void) { - unsigned int x,y; - - xdebug("game_animscreen"); - - 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; - 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; - screen_x = x - 19 * TILEX; - screen_y = y - 11 * TILEY; - - animscreen(); - blitplayer(&ply1); - blitplayer(&ply2); - blitscreen(); - XFlush(display); - - Random = Random * 129 + 1; -} + unsigned int x, y, i; + unsigned int left = screen_x / TILEX; + unsigned int top = screen_y / TILEY; + static int xy[4][2] = + { + { 0, -1 }, + { -1, 0 }, + { +1, 0 }, + { 0, +1 } + }; -void title_initscreen(void) -{ - xdebug("title_initscreen"); + 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]; + unsigned int obj = g->unique_identifier; + unsigned 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; - screen_x = 0; - screen_y = 0; + if (xx < 0 || xx >= EM_MAX_CAVE_WIDTH || + yy < 0 || yy >= EM_MAX_CAVE_HEIGHT) + continue; - colour_shuffle(); - colours[1] += 8; - colour_anim = 0; + tile_next = Draw[yy][xx]; - XCopyArea(display, ttlPixmap, screenPixmap, screenGC, 0, 0, 20 * TILEX, 12 * TILEY, 0, 0); - 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); - } - XCopyArea(display, botPixmap, scorePixmap, scoreGC, 0, colours[0] * SCOREY, 20 * TILEX, SCOREY, 0, 0); - if (botmaskBitmap) { - XSetClipMask(display, scoreGC, None); + 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 (screentiles[sy][sx] != obj || crumbled_state[sy][sx] != crm) + { + DrawLevelField_EM(x, y, sx, sy, FALSE); + DrawLevelFieldCrumbled_EM(x, y, sx, sy, crm, FALSE); + + screentiles[sy][sx] = obj; + crumbled_state[sy][sx] = crm; + } + } + } } -void title_blitscore(void) + +/* blit players to the screen + * + * handles transparency and movement + */ + +static void blitplayer(struct PLAYER *ply) { - unsigned int x, y, i; + unsigned int x1, y1, x2, y2; - xdebug("title_blitscore"); + if (!ply->alive) + return; - if (++colour_anim > 30) colour_anim = 0; - i = colour_anim >= 16 ? 31 - colour_anim : colour_anim; - x = (i / 8 + 18) * 2 * SCOREX; - y = (i % 8 + 16) * SCOREY; + /* 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; - if (botmaskBitmap) { - 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); - } - XCopyArea(display, botPixmap, scorePixmap, scoreGC, x, y, 2 * SCOREX, SCOREY, 32 * SCOREX, 0); - if (botmaskBitmap) { - XSetClipMask(display, scoreGC, None); - } -} + if ((unsigned int)(x2 - screen_x) < ((MAX_BUF_XSIZE - 1) * TILEX - 1) && + (unsigned 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]; -void title_blitants(unsigned int y) -{ - static const char ants_dashes[2] = { 8, 7 }; + /* only diggable elements can be crumbled in the classic EM engine */ + boolean player_is_digging = (new_crm != 0); - xdebug("title_blitants"); + x1 %= MAX_BUF_XSIZE * TILEX; + y1 %= MAX_BUF_YSIZE * TILEY; + x2 %= MAX_BUF_XSIZE * TILEX; + y2 %= MAX_BUF_YSIZE * TILEY; - XSetDashes(display, antsGC, colour_anim, ants_dashes, 2); - XDrawRectangle(display, screenPixmap, antsGC, 0, y * TILEY, 20 * TILEX - 1, TILEY - 1); -} + 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 -void title_animscreen(void) -{ - blitscreen(); - XFlush(display); + /* 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); - Random = Random * 129 + 1; -} + /* draw the player (masked) over the element he is just digging away */ + DrawLevelPlayer_EM(x1, y1, ply->num, ply->anim, TRUE); -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; +#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); - xdebug("title_string"); + /* draw the field the player is moving from (masked over the player) */ + DrawLevelField_EM(old_x, old_y, old_sx, old_sy, TRUE); - y *= TILEY; - left *= SCOREX; - right *= SCOREX; + /* draw the field the player is moving to (masked over the player) */ + DrawLevelField_EM(new_x, new_y, new_sx, new_sy, TRUE); + } - x = (left + right - strlen(string) * MENUFONTX) / 2; - if (x < left || x >= right) x = left; + /* mark screen tiles as dirty */ + screentiles[old_sy][old_sx] = -1; + screentiles[new_sy][new_sx] = -1; + } +} - /* restore background graphic where text will be drawn */ - XCopyArea(display, ttlPixmap, screenPixmap, screenGC, - left, y, right - left, MENUFONTY, left, y); +void game_initscreen(void) +{ + unsigned int x,y; - if (ttlmaskBitmap) - XSetClipMask(display, screenGC, ttlmaskBitmap); + frame = 6; + screen_x = 0; + screen_y = 0; - for (i = 0; string[i] && x < right; i++) + for (y = 0; y < MAX_BUF_YSIZE; y++) { - int ch_pos, ch_x, ch_y; + for (x = 0; x < MAX_BUF_XSIZE; x++) + { + screentiles[y][x] = -1; + crumbled_state[y][x] = 0; + } + } - ch_pos = ttl_map[string[i] & 127]; +#if 1 + DrawAllGameValues(lev.required, ply1.dynamite, lev.score, + lev.time, ply1.keys | ply2.keys); +#else + DrawAllGameValues(lev.required, ply1.dynamite, lev.score, + DISPLAY_TIME(lev.time + 4), ply1.keys | ply2.keys); +#endif +} - if (ch_pos == -1 || ch_pos > 22 * 2) - continue; /* no graphic for this character */ +void RedrawPlayfield_EM() +{ + unsigned int x,y; - ch_x = (ch_pos % 22) * GFXMENUFONTX; - ch_y = (ch_pos / 22 + 12) * TILEY; + x = (frame * ply1.oldx + (8 - frame) * ply1.x) * TILEX / 8 + + ((SCR_FIELDX - 1) * TILEX) / 2; + y = (frame * ply1.oldy + (8 - frame) * ply1.y) * TILEY / 8 + + ((SCR_FIELDY - 1) * TILEY) / 2; - if (ttlmaskBitmap) - XSetClipOrigin(display, screenGC, x - ch_x, y - ch_y); + if (x > lev.width * TILEX) + x = lev.width * TILEX; + if (y > lev.height * TILEY) + y = lev.height * TILEY; - XCopyArea(display, ttlPixmap, screenPixmap, screenGC, - ch_x, ch_y, MENUFONTX, MENUFONTY, x, y); + if (x < SCR_FIELDX * TILEX) + x = SCR_FIELDX * TILEY; + if (y < SCR_FIELDY * TILEY) + y = SCR_FIELDY * TILEY; - x += MENUFONTX; - } + screen_x = x - (SCR_FIELDX - 1) * TILEX; + screen_y = y - (SCR_FIELDY - 1) * TILEY; + + animscreen(); + blitplayer(&ply1); + blitplayer(&ply2); + blitscreen(); + + FlushDisplay(); +} - XSetClipMask(display, screenGC, None); +void game_animscreen(void) +{ + RedrawPlayfield_EM(); } +void DrawGameDoorValues_EM() +{ +#if 1 + DrawAllGameValues(lev.required, ply1.dynamite, lev.score, + lev.time, ply1.keys | ply2.keys); +#else + DrawAllGameValues(lev.required, ply1.dynamite, lev.score, + DISPLAY_TIME(lev.time), ply1.keys | ply2.keys); #endif +}