From bad1338d12dce1c8d9a3a2cf6b16476cd910e6f7 Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Wed, 4 Aug 2021 19:56:44 +0000
Subject: add a default sky map from fourmilab.ch.

---
 musw.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/musw.c b/musw.c
index 6b42bf7..e0f031b 100644
--- a/musw.c
+++ b/musw.c
@@ -40,6 +40,7 @@ RFrame screenrf;
 Ball bouncer;
 Universe *universe;
 VModel *needlemdl;
+Image *skymap;
 Channel *kchan;
 char winspec[32];
 int debug;
@@ -254,12 +255,30 @@ threadresize(void *arg)
 			resize();
 }
 
+void
+initskymap(void)
+{
+	int fd;
+
+	fd = open("assets/bg/defskymap.pic", OREAD);
+	if(fd < 0)
+		goto darkness;
+
+	skymap = readimage(display, fd, 1);
+	if(skymap == nil){
+darkness:
+		fprint(2, "couldn't read a sky map. falling back to darkness...\n");
+		skymap = display->black;
+	}
+	close(fd);
+}
+
 void
 redraw(void)
 {
 	lockdisplay(display);
 
-	draw(screen, screen->r, display->black, nil, ZP);
+	draw(screen, screen->r, skymap, nil, ZP);
 	fillellipse(screen, toscreen(bouncer.p), 2, 2, display->white, ZP);
 
 	drawship(&universe->ships[0], screen);
@@ -355,6 +374,8 @@ threadmain(int argc, char *argv[])
 	universe->ships[1].mdl = needlemdl;
 	universe->star.spr = readsprite("assets/spr/earth.pic", ZP, Rect(0,0,32,32), 5, 20e3);
 
+	initskymap();
+
 	threadcreate(threadnetrecv, &fd, 4096);
 	threadcreate(threadnetsend, &fd, 4096);
 	threadcreate(threadresize, mc, 4096);
-- 
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