--- /dev/null
+/* 2000-08-13T14:36:17Z
+ *
+ * graphics manipulation crap
+ */
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+#include "global.h"
+#include "display.h"
+#include "level.h"
+
+#include <stdio.h>
+
+unsigned int frame; /* current frame */
+unsigned int screen_x; /* current scroll position */
+unsigned int screen_y;
+
+static unsigned short screen[14][22]; /* tiles currently on screen */
+
+static unsigned int colours[8];
+static unsigned int colour_anim;
+
+void xdebug(char *msg)
+{
+#if 0
+ XSync(display, False);
+ printf("EM DEBUG: %s\n", msg);
+#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
+ *
+ * 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, 0, 0);
+ } else if(x < 2 * TILEX && y >= 2 * TILEY) {
+ XCopyArea(display, screenPixmap, xwindow, screenGC, x, y, 20 * TILEX, 14 * TILEY - y, 0, 0);
+ XCopyArea(display, screenPixmap, xwindow, screenGC, x, 0, 20 * TILEX, y - 2 * TILEY, 0, 14 * TILEY - y);
+ } else if(x >= 2 * TILEX && y < 2 * TILEY) {
+ XCopyArea(display, screenPixmap, xwindow, screenGC, x, y, 22 * TILEX - x, 12 * TILEY, 0, 0);
+ XCopyArea(display, screenPixmap, xwindow, screenGC, 0, y, x - 2 * TILEX, 12 * TILEY, 22 * TILEX - x, 0);
+ } else {
+ XCopyArea(display, screenPixmap, xwindow, screenGC, x, y, 22 * TILEX - x, 14 * TILEY - y, 0, 0);
+ XCopyArea(display, screenPixmap, xwindow, screenGC, 0, y, x - 2 * TILEX, 14 * TILEY - y, 22 * TILEX - x, 0);
+ XCopyArea(display, screenPixmap, xwindow, screenGC, x, 0, 22 * TILEX - x, y - 2 * TILEY, 0, 14 * TILEY - y);
+ XCopyArea(display, screenPixmap, xwindow, screenGC, 0, 0, x - 2 * TILEX, y - 2 * TILEY, 22 * TILEX - x, 14 * TILEY - y);
+ }
+
+ XCopyArea(display, scorePixmap, xwindow, scoreGC, 0, 0, 20 * TILEX, SCOREY, 0, 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)
+{
+ 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(screen[dy][dx] != obj) {
+ screen[dy][dx] = obj;
+ XCopyArea(display, objPixmap, screenPixmap, screenGC, (obj / 512) * TILEX, (obj % 512) * TILEY / 16, TILEX, TILEY, dx * TILEX, dy * TILEY);
+ }
+ }
+ }
+}
+
+/* blit players to the screen
+ *
+ * handles transparency and movement
+ */
+static void blitplayer(struct PLAYER *ply) {
+ unsigned int x, y, dx, dy;
+ unsigned short obj, spr;
+
+ xdebug("blitplayer");
+
+ if(ply->alive) {
+ x = (frame * ply->oldx + (8 - frame) * ply->x) * TILEX / 8; dx = x + TILEX - 1;
+ y = (frame * ply->oldy + (8 - frame) * ply->y) * TILEY / 8; dy = y + TILEY - 1;
+ if((unsigned int)(dx - screen_x) < (21 * TILEX - 1) && (unsigned int)(dy - screen_y) < (13 * TILEY - 1)) {
+ spr = map_spr[ply->num][frame][ply->anim];
+ x %= 22 * TILEX; dx %= 22 * TILEX;
+ y %= 14 * TILEY; dy %= 14 * TILEY;
+ if(objmaskBitmap) {
+ obj = screen[y / TILEY][x / TILEX];
+ XCopyArea(display, objmaskBitmap, spriteBitmap, spriteGC, (obj / 512) * TILEX, (obj % 512) * TILEY / 16, TILEX, TILEY, -(x % TILEX), -(y % TILEY));
+ obj = screen[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);
+ } else {
+ XFillRectangle(display, spriteBitmap, spriteGC, 0, 0, TILEX, TILEY);
+ }
+ screen[y / TILEY][x / TILEX] = -1; /* mark screen as dirty */
+ screen[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);
+ }
+ }
+}
+
+void game_initscreen(void)
+{
+ unsigned int x,y;
+
+ xdebug("game_initscreen");
+
+#if 0
+ printf("--> M5.1: xwindow == %ld\n", xwindow);
+#endif
+
+ frame = 6;
+ screen_x = 0;
+ screen_y = 0;
+
+#if 0
+ printf("--> M5.2: &window == %ld\n", &window);
+ printf("--> M5.2: xwindow == %ld\n", xwindow);
+ printf("--> M5.2: &xwindow == %ld\n", &xwindow);
+ printf("--> M5.2: screen == %ld\n", screen);
+ printf("--> M5.2: &screen[0][0] == %ld\n", &screen[0][0]);
+#endif
+
+ for(y = 0; y < 14; y++) {
+ for(x = 0; x < 22; x++) {
+#if 0
+ printf("--> M5.2.A: xwindow == %ld [%d,%d]\n", xwindow, x,y);
+#endif
+ screen[y][x] = -1;
+#if 0
+ printf("--> M5.2.B: xwindow == %ld [%d,%d]\n", xwindow, x,y);
+#endif
+ }
+ }
+
+#if 0
+ printf("--> M5.3: xwindow == %ld\n", xwindow);
+#endif
+
+ colour_shuffle();
+ colours[0] += 16;
+ colours[1] += 16;
+ colours[2] += 16;
+ colour_anim = 0;
+
+#if 0
+ printf("--> M5.4: xwindow == %ld\n", xwindow);
+#endif
+
+ 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 0
+ printf("--> M5.X: xwindow == %ld\n", xwindow);
+#endif
+}
+
+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:
+}
+
+void game_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;
+}
+
+void title_initscreen(void)
+{
+ xdebug("title_initscreen");
+
+ screen_x = 0;
+ screen_y = 0;
+
+ colour_shuffle();
+ colours[1] += 8;
+ colour_anim = 0;
+
+ 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);
+ }
+}
+
+void title_blitscore(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;
+
+ 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);
+ }
+}
+
+void title_blitants(unsigned int y)
+{
+ static const char ants_dashes[2] = { 8, 7 };
+
+ xdebug("title_blitants");
+
+ XSetDashes(display, antsGC, colour_anim, ants_dashes, 2);
+ XDrawRectangle(display, screenPixmap, antsGC, 0, y * TILEY, 20 * TILEX - 1, TILEY - 1);
+}
+
+void title_animscreen(void)
+{
+ blitscreen();
+ XFlush(display);
+
+ Random = Random * 129 + 1;
+}
+
+void title_string(unsigned int y, unsigned int left, unsigned int right, char *string)
+{
+ int i;
+ unsigned int x;
+
+ xdebug("title_string");
+
+ y *= TILEY; left *= SCOREX; right *= SCOREX;
+ x = (left + right - strlen(string) * 12) / 2;
+ if(x < left || x >= right) x = left;
+
+ XCopyArea(display, ttlPixmap, screenPixmap, screenGC, left, y, right - left, TILEY, left, y);
+ if(ttlmaskBitmap) XSetClipMask(display, screenGC, ttlmaskBitmap);
+ for(i = 0; string[i] && x < right; i++) {
+ unsigned short ch_pos, ch_x, ch_y;
+ ch_pos = map_ttl[string[i] & 127];
+ if(ch_pos < 640) {
+ ch_x = (ch_pos % 320);
+ ch_y = (ch_pos / 320 + 12) * TILEY;
+ if(ttlmaskBitmap) XSetClipOrigin(display, screenGC, x - ch_x, y - ch_y);
+ XCopyArea(display, ttlPixmap, screenPixmap, screenGC, ch_x, ch_y, 12, TILEY, x, y);
+ }
+ x += 12;
+ }
+ XSetClipMask(display, screenGC, None);
+}
projects / rocksndiamonds.git / blobdiff