* graphics manipulation crap
*/
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
#include "global.h"
#include "display.h"
#include "level.h"
-#include <stdio.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))
-#if defined(TARGET_X11)
+#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)
-unsigned int frame; /* current frame */
-unsigned int screen_x; /* current scroll position */
-unsigned int screen_y;
+#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))
-/* tiles currently on screen */
-static unsigned short screentiles[MAX_BUF_YSIZE][MAX_BUF_XSIZE];
+#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)
-static unsigned int colours[8];
-static unsigned int colour_anim;
-static void xdebug(char *msg)
-{
+int frame; /* current screen frame */
#if 0
- XSync(display, False);
- printf("EM DEBUG: %s\n", msg);
+int screen_x; /* current scroll position */
+int screen_y;
+#else
+int screen_x; /* current scroll position */
+int screen_y;
#endif
-}
-
-static void colour_shuffle(void)
-{
- unsigned int i, j, k;
- for (i = 0; i < 8; i++)
- colours[i] = i;
+/* tiles currently on screen */
+static int screentiles[MAX_BUF_YSIZE][MAX_BUF_XSIZE];
+static int crumbled_state[MAX_BUF_YSIZE][MAX_BUF_XSIZE];
- for (i = 0; i < 8; i++)
- {
- Random = Random * 129 + 1;
- j = (Random >> 10) & 7;
- k = colours[i];
- colours[i] = colours[j];
- colours[j] = k;
- }
-}
+static boolean redraw[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
/* 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 % (MAX_BUF_XSIZE * TILEX);
- unsigned int y = screen_y % (MAX_BUF_YSIZE * TILEY);
-
- xdebug("blitscreen");
-
- if (em_game_status == EM_GAME_STATUS_MENU)
- {
- ClearRectangle(screenBitmap, 0, SCR_MENUY * TILEY,
- SCR_FIELDX * TILEX, (17 - SCR_MENUY) * TILEY);
- BlitBitmap(scoreBitmap, screenBitmap, 0, 0, SCR_MENUX * TILEX, SCOREY,
- 0, SCR_MENUY * TILEY);
- }
+ 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,
+ 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,
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
SCR_FIELDX * TILEX, MAX_BUF_YSIZE * TILEY - y,
SX, SY);
- BlitBitmap(screenBitmap, window, x, 0,
+ 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,
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
MAX_BUF_XSIZE * TILEX - x, SCR_FIELDY * TILEY,
SX, SY);
- BlitBitmap(screenBitmap, window, 0, y,
+ 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,
+ BlitBitmap(screenBitmap, target_bitmap, x, y,
MAX_BUF_XSIZE * TILEX - x, MAX_BUF_YSIZE * TILEY - y,
SX, SY);
- BlitBitmap(screenBitmap, window, 0, y,
+ BlitBitmap(screenBitmap, target_bitmap, 0, y,
x - 2 * TILEX, MAX_BUF_YSIZE * TILEY - y,
SX + MAX_BUF_XSIZE * TILEX - x, SY);
- BlitBitmap(screenBitmap, window, x, 0,
+ BlitBitmap(screenBitmap, target_bitmap, x, 0,
MAX_BUF_XSIZE * TILEX - x, y - 2 * TILEY,
SX, SY + MAX_BUF_YSIZE * TILEY - y);
- BlitBitmap(screenBitmap, window, 0, 0,
+ BlitBitmap(screenBitmap, target_bitmap, 0, 0,
x - 2 * TILEX, y - 2 * TILEY,
SX + MAX_BUF_XSIZE * TILEX - x, SY + MAX_BUF_YSIZE * TILEY - y);
}
-
- if (em_game_status == EM_GAME_STATUS_PLAY && SCR_FIELDY < 17)
- {
- BlitBitmap(scoreBitmap, window, 0, 0, SCR_FIELDX * TILEX, SCOREY,
- SX, SY + SCR_FIELDY * TILEY);
- ClearRectangle(window, SX, SY + SCR_FIELDY * TILEY + SCOREY,
- SCR_FIELDX * TILEX, (17 - SCR_FIELDY) * TILEY - SCOREY);
- }
-
- XFlush(display);
-
- xdebug("blitscreen - done");
}
+void blitscreen(void)
+{
+#if 1
-/* 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 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;
-static void animscreen(void)
-{
- unsigned int x, y, dx, dy;
- unsigned short obj;
- unsigned int left = screen_x / TILEX;
- unsigned int top = screen_y / TILEY;
+ SyncDisplay();
- xdebug("animscreen");
+ if (redraw_tiles > REDRAWTILES_THRESHOLD || scrolling || scrolling_last)
+ {
+ /* blit all (up to four) parts of the scroll buffer to the backbuffer */
+ BlitScreenToBitmap_EM(backbuffer);
- for (y = top; y < top + MAX_BUF_YSIZE; y++)
+ /* blit the completely updated backbuffer to the window (in one blit) */
+ BlitBitmap(backbuffer, window, SX, SY, SXSIZE, SYSIZE, SX, SY);
+ }
+ else
{
- dy = y % MAX_BUF_YSIZE;
- for (x = left; x < left + MAX_BUF_XSIZE; x++)
+ for (x = 0; x < SCR_FIELDX; x++)
{
- dx = x % MAX_BUF_XSIZE;
- obj = map_obj[frame][Draw[y][x]];
-
- if (screentiles[dy][dx] != obj)
+ 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);
}
}
}
+
+ 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;
+
+#else
+
+ /* blit all (up to four) parts of the scroll buffer to the window */
+ BlitScreenToBitmap_EM(window);
+
+#endif
}
+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];
+ 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);
-/* blit players to the screen
- *
- * handles transparency and movement
- */
+ if (width > 0 && height > 0)
+ BlitBitmap(g->bitmap, screenBitmap,
+ src_x, src_y, width, height, dst_x, dst_y);
+ }
+}
-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];
+ 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) < ((MAX_BUF_XSIZE - 1) * TILEX - 1) &&
- (unsigned int)(dy - screen_y) < ((MAX_BUF_YSIZE - 1) * TILEY - 1))
+ if (crm & (1 << i))
{
- spr = map_spr[ply->num][frame][ply->anim];
- x %= MAX_BUF_XSIZE * TILEX;
- y %= MAX_BUF_YSIZE * TILEY;
- dx %= MAX_BUF_XSIZE * TILEX;
- dy %= MAX_BUF_YSIZE * TILEY;
+ int width, height, cx, cy;
- if (objmaskBitmap)
- {
- 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,
- (MAX_BUF_XSIZE * TILEX - x) % TILEX,
- (MAX_BUF_YSIZE * TILEY - y) % TILEY);
- }
- else if (sprmaskBitmap)
+ if (i == 1 || i == 2)
{
- 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;
-
-#if 1
-
-
-#if 1
-
- SetClipMask(sprBitmap, sprBitmap->stored_clip_gc, spriteBitmap);
-
- SetClipOrigin(sprBitmap, sprBitmap->stored_clip_gc, x, y);
- BlitBitmapMasked(sprBitmap, screenBitmap,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y);
-
- SetClipOrigin(sprBitmap, sprBitmap->stored_clip_gc,
- x - MAX_BUF_XSIZE * TILEX, y);
- BlitBitmapMasked(sprBitmap, screenBitmap,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x - MAX_BUF_XSIZE * TILEX, y);
-
- SetClipOrigin(sprBitmap, sprBitmap->stored_clip_gc,
- x, y - MAX_BUF_YSIZE * TILEY);
- BlitBitmapMasked(sprBitmap, screenBitmap,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y - MAX_BUF_YSIZE * TILEY);
-
- SetClipMask(sprBitmap, sprBitmap->stored_clip_gc, None);
-
-#else
-
- XSetClipMask(display, sprBitmap->stored_clip_gc, spriteBitmap);
-
- 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);
-
- XSetClipOrigin(display, sprBitmap->stored_clip_gc,
- x - MAX_BUF_XSIZE * TILEX, y);
- XCopyArea(display, sprBitmap->drawable, screenBitmap->drawable,
- sprBitmap->stored_clip_gc,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x - MAX_BUF_XSIZE * TILEX, y);
-
- XSetClipOrigin(display, sprBitmap->stored_clip_gc,
- x, y - MAX_BUF_YSIZE * TILEY);
- XCopyArea(display, sprBitmap->drawable, screenBitmap->drawable,
- sprBitmap->stored_clip_gc,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y - MAX_BUF_YSIZE * TILEY);
-
- XSetClipMask(display, sprBitmap->stored_clip_gc, None);
-
-#endif
-
-#else
-
- 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 - MAX_BUF_XSIZE * TILEX, y);
- XCopyArea(display, sprPixmap, screenPixmap, screenGC,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x - MAX_BUF_XSIZE * TILEX, y);
- XSetClipOrigin(display, screenGC, x, y - MAX_BUF_YSIZE * TILEY);
- XCopyArea(display, sprPixmap, screenPixmap, screenGC,
- (spr / 8) * TILEX, (spr % 8) * TILEY, TILEX, TILEY,
- x, y - MAX_BUF_YSIZE * TILEY);
- XSetClipMask(display, screenGC, None);
-
-#endif
+ 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);
+ }
}
}
}
-
-/* draw static text for time, gems and score counter */
-
-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");
-
- frame = 6;
- screen_x = 0;
- screen_y = 0;
-
- for (y = 0; y < MAX_BUF_YSIZE; y++)
- for (x = 0; x < MAX_BUF_XSIZE; x++)
- screentiles[y][x] = -1;
-
- colour_shuffle();
- colours[0] += 16;
- colours[1] += 16;
- colours[2] += 16;
- colour_anim = 0;
-
- ClearRectangle(scoreBitmap, 0, 0, SCR_FIELDX * 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,
- 11 * SCOREX, 0); /* 112-207 diamonds */
- BlitBitmap(botBitmap, scoreBitmap,
- 14 * SCOREX, colours[0] * SCOREY, 4 * SCOREX, SCOREY,
- 24 * SCOREX, 0); /* 256-319 score */
-}
-
-
-/* draw current values for time, gems and score counter */
-
-void game_blitscore(void)
-{
- unsigned int i;
-
- xdebug("game_blitscore");
-
- DrawGameDoorValues_EM(lev.required, ply1.dynamite, lev.score,
- (lev.time + 4) / 5);
-
- 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);
-
- i = lev.score;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 31 * SCOREX, 0);
- i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 30 * SCOREX, 0);
- i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 29 * SCOREX, 0);
- i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 28 * SCOREX, 0);
-
- if (lev.home == 0)
- {
- BlitBitmap(botBitmap, scoreBitmap,
- 12 * SCOREX, 24 * SCOREY, 12 * SCOREX, SCOREY,
- 14 * SCOREX, 0); /* relax */
+ struct GraphicInfo_EM *g = &graphic_info_em_player[player_nr][anim][frame];
- goto done;
- }
+ int src_x = g->src_x, src_y = g->src_y;
+ int dst_x, dst_y;
- if (ply1.alive + ply2.alive >= lev.home && lev.required == 0)
+ if (draw_masked)
{
- BlitBitmap(botBitmap, scoreBitmap,
- 24 * SCOREX, colours[2] * SCOREY, 12 * SCOREX, SCOREY,
- 14 * SCOREX, 0); /* find the exit */
-
- goto done;
+ /* 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);
}
-
- if (ply1.alive + ply2.alive < lev.home)
+ else
{
- if (++colour_anim > 11)
- colour_anim = 0;
-
- if (colour_anim < 6)
- {
- BlitBitmap(botBitmap, scoreBitmap,
- 0, 24 * SCOREY, 12 * SCOREX, SCOREY,
- 14 * SCOREX, 0); /* forget it */
-
- goto done;
- }
-
- BlitBitmap(botBitmap, scoreBitmap,
- 18 * SCOREX, colours[0] * SCOREY, 6 * SCOREX, SCOREY,
- 15 * SCOREX, 0); /* diamonds */
+ /* 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);
}
-
- i = lev.required;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 20 * SCOREX, 0);
- i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 19 * SCOREX, 0);
- i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 18 * SCOREX, 0);
- i /= 10;
- BlitBitmap(botBitmap, scoreBitmap,
- (i % 10) * SCOREX, colours[1] * SCOREY, SCOREX, SCOREY,
- 17 * SCOREX, 0);
-
- done:
}
-void game_animscreen(void)
-{
- unsigned int x,y;
+/* 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
+ */
- xdebug("game_animscreen");
+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 }
+ };
- 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;
+ 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 (x > lev.width * TILEX)
- x = lev.width * TILEX;
- if (y > lev.height * TILEY)
- y = lev.height * TILEY;
+ if (xx < 0 || xx >= EM_MAX_CAVE_WIDTH ||
+ yy < 0 || yy >= EM_MAX_CAVE_HEIGHT)
+ continue;
- if (x < SCR_FIELDX * TILEX)
- x = SCR_FIELDX * TILEY;
- if (y < SCR_FIELDY * TILEY)
- y = SCR_FIELDY * TILEY;
+ tile_next = Draw[yy][xx];
- screen_x = x - (SCR_FIELDX - 1) * TILEX;
- screen_y = y - (SCR_FIELDY - 1) * TILEY;
+ if (!graphic_info_em_object[tile_next][frame].has_crumbled_graphics)
+ crm |= (1 << i);
+ }
+ }
- animscreen();
- blitplayer(&ply1);
- blitplayer(&ply2);
- blitscreen();
+ /* 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);
- XFlush(display);
+ screentiles[sy][sx] = obj;
+ crumbled_state[sy][sx] = crm;
- Random = Random * 129 + 1;
+ redraw[sx][sy] = TRUE;
+ redraw_tiles++;
+ }
+ }
+ }
}
-/* draw main menu background and copyright note */
+/* blit players to the screen
+ *
+ * handles transparency and movement
+ */
-void title_initscreen(void)
+static void blitplayer(struct PLAYER *ply)
{
- xdebug("title_initscreen");
+ int x1, y1, x2, y2;
- screen_x = 0;
- screen_y = 0;
+ if (!ply->alive)
+ return;
- colour_shuffle();
- colours[1] += 8;
- colour_anim = 0;
+ /* 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 1
+ 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];
- /* draw title screen on menu background */
+ /* only diggable elements can be crumbled in the classic EM engine */
+ boolean player_is_digging = (new_crm != 0);
- BlitBitmap(ttlBitmap, screenBitmap, ORIG_MENU_SX, ORIG_MENU_SY,
- SCR_MENUX * TILEX, SCR_MENUY * TILEY, 0, 0);
+ x1 %= MAX_BUF_XSIZE * TILEX;
+ y1 %= MAX_BUF_YSIZE * TILEY;
+ x2 %= MAX_BUF_XSIZE * TILEX;
+ y2 %= MAX_BUF_YSIZE * TILEY;
- /* draw copyright note at footer */
+ 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
- if (botmaskBitmap)
- {
- BlitBitmap(botBitmap, scoreBitmap, 0, colours[1] * SCOREY,
- SCR_MENUX * TILEX, SCOREY, 0, 0);
+ /* 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);
- SetClipOrigin(botBitmap, botBitmap->stored_clip_gc,
- 0, 0 - colours[0] * SCOREY);
- }
+ /* draw the player (masked) over the element he is just digging away */
+ DrawLevelPlayer_EM(x1, y1, ply->num, ply->anim, TRUE);
- BlitBitmapMasked(botBitmap, scoreBitmap, 0, colours[0] * SCOREY,
- SCR_MENUX * TILEX, SCOREY, 0, 0);
+#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);
-#else
+ /* draw the field the player is moving from (masked over the player) */
+ DrawLevelField_EM(old_x, old_y, old_sx, old_sy, TRUE);
- XCopyArea(display, ttlPixmap, screenPixmap, screenGC,
- 0, 0, SCR_MENUX * TILEX, SCR_MENUY * TILEY, 0, 0);
+ /* draw the field the player is moving to (masked over the player) */
+ DrawLevelField_EM(new_x, new_y, new_sx, new_sy, TRUE);
+ }
- if (botmaskBitmap)
- {
- XCopyArea(display, botPixmap, scorePixmap, scoreGC,
- 0, colours[1] * SCOREY, SCR_MENUX * TILEX, SCOREY, 0, 0);
- XSetClipMask(display, scoreGC, botmaskBitmap);
- XSetClipOrigin(display, scoreGC, 0, 0 - colours[0] * SCOREY);
+ /* mark screen tiles as dirty */
+ screentiles[old_sy][old_sx] = -1;
+ screentiles[new_sy][new_sx] = -1;
}
-
- XCopyArea(display, botPixmap, scorePixmap, scoreGC,
- 0, colours[0] * SCOREY, SCR_MENUX * TILEX, SCOREY, 0, 0);
-
- if (botmaskBitmap)
- XSetClipMask(display, scoreGC, None);
-
-#endif
}
-
-/* draw bouncing ball on main menu footer */
-
-void title_blitscore(void)
+void game_initscreen(void)
{
- unsigned int x, y, i;
-
- xdebug("title_blitscore");
-
- 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;
+ 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 = 0; /* !!! FIX THIS (CENTERED TO PLAYER 1) !!! */
+ frame = 6;
#if 1
- if (botmaskBitmap)
- {
- BlitBitmap(botBitmap, scoreBitmap,
- 32 * SCOREX, colours[1] * SCOREY, 2 * SCOREX, SCOREY,
- 32 * SCOREX, 0);
-
- SetClipOrigin(botBitmap, botBitmap->stored_clip_gc,
- 32 * SCOREX - x, 0 - y);
- }
-
- BlitBitmapMasked(botBitmap, scoreBitmap,
- x, y, 2 * SCOREX, SCOREY, 32 * SCOREX, 0);
-
+ screen_x = VALID_SCREEN_X(PLAYER_SCREEN_X(player_nr));
+ screen_y = VALID_SCREEN_Y(PLAYER_SCREEN_Y(player_nr));
#else
+ screen_x = 0;
+ screen_y = 0;
+#endif
- if (botmaskBitmap)
+ for (y = 0; y < MAX_BUF_YSIZE; y++)
{
- 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);
+ for (x = 0; x < MAX_BUF_XSIZE; x++)
+ {
+ screentiles[y][x] = -1;
+ crumbled_state[y][x] = 0;
+ }
}
- XCopyArea(display, botPixmap, scorePixmap, scoreGC,
- x, y, 2 * SCOREX, SCOREY, 32 * SCOREX, 0);
-
- if (botmaskBitmap)
- XSetClipMask(display, scoreGC, None);
+#if 1
+ DrawAllGameValues(lev.required, dynamite_state, lev.score,
+ lev.time, all_keys_state);
+#else
+ DrawAllGameValues(lev.required, ply1.dynamite, lev.score,
+ DISPLAY_TIME(lev.time + 4), ply1.keys | ply2.keys);
#endif
}
-void title_animscreen(void)
-{
- blitscreen();
- XFlush(display);
-
- Random = Random * 129 + 1;
-}
-
-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)
+void RedrawPlayfield_EM()
{
+ int player_nr = 0; /* !!! FIX THIS (CENTERED TO PLAYER 1) !!! */
+ int sx = PLAYER_SCREEN_X(player_nr);
+ int sy = PLAYER_SCREEN_Y(player_nr);
int i;
- unsigned int x;
-
- xdebug("title_string");
- y *= TILEY;
- left *= SCOREX;
- right *= SCOREX;
+#if 1
- x = (left + right - strlen(string) * MENUFONTX) / 2;
- if (x < left || x >= right)
- x = left;
+ int offset = (setup.scroll_delay ? 3 : 0) * TILEX;
- /* restore background graphic where text will be drawn */
- BlitBitmap(ttlBitmap, screenBitmap, ORIG_MENU_SX + left, ORIG_MENU_SY + y,
- right - left, MENUFONTY, left, y);
+ /* calculate new screen scrolling position, with regard to scroll delay */
+ screen_x = VALID_SCREEN_X(sx + offset < screen_x ? sx + offset :
+ sx - offset > screen_x ? sx - offset : screen_x);
+ screen_y = VALID_SCREEN_Y(sy + offset < screen_y ? sy + offset :
+ sy - offset > screen_y ? sy - offset : screen_y);
-#if 1
#else
- if (ttlmaskBitmap)
- XSetClipMask(display, screenGC, ttlmaskBitmap);
-#endif
- for (i = 0; string[i] && x < right; i++)
- {
- int ch_pos, ch_x, ch_y;
+ if (sx > lev.width * TILEX)
+ sx = lev.width * TILEX;
+ if (sy > lev.height * TILEY)
+ sy = lev.height * TILEY;
- ch_pos = ttl_map[string[i] & 127];
+ if (sx < SCR_FIELDX * TILEX)
+ sx = SCR_FIELDX * TILEY;
+ if (sy < SCR_FIELDY * TILEY)
+ sy = SCR_FIELDY * TILEY;
- if (ch_pos == -1 || ch_pos > 22 * 2)
- continue; /* no graphic for this character */
+ screen_x = sx - (SCR_FIELDX - 1) * TILEX;
+ screen_y = sy - (SCR_FIELDY - 1) * TILEY;
- ch_x = (ch_pos % 22) * GFXMENUFONTX;
- ch_y = (ch_pos / 22 + 12) * TILEY;
+#endif
-#if 1
- SetClipOrigin(ttlBitmap, ttlBitmap->stored_clip_gc,
- x - ORIG_MENU_SX - ch_x, y - ORIG_MENU_SY - ch_y);
+ animscreen();
- BlitBitmapMasked(ttlBitmap, screenBitmap, ch_x, ch_y, MENUFONTX, MENUFONTY,
- x - ORIG_MENU_SX, y - ORIG_MENU_SY);
-#else
- if (ttlmaskBitmap)
- XSetClipOrigin(display, screenGC, x - ch_x, y - ch_y);
+ for (i = 0; i < MAX_PLAYERS; i++)
+ blitplayer(&ply[i]);
- XCopyArea(display, ttlPixmap, screenPixmap, screenGC,
- ch_x, ch_y, MENUFONTX, MENUFONTY, x, y);
-#endif
+ blitscreen();
- x += MENUFONTX;
- }
+ FlushDisplay();
+}
+
+void game_animscreen(void)
+{
+ RedrawPlayfield_EM();
+}
+
+void DrawGameDoorValues_EM()
+{
+ 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;
#if 1
+ DrawAllGameValues(lev.required, dynamite_state, lev.score,
+ lev.time, all_keys_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