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sim.gather: simple gather loop, update resources

--- a/dat.h

+++ b/dat.h

@@ -116,6 +116,7 @@

 	OSidle = OState0,

 	OSmove = OState1,

 	OSgather = OState2,

+	OSwait = OState3,	/* FIXME: ← better solution */

 	/* resource */

 	OSrich = OState0,

--- a/drw.c

+++ b/drw.c

@@ -335,7 +335,7 @@

 	Pic *p;

 	n = mo->state;

-	if(n == OSskymaybe)

+	if(n == OSskymaybe || n == OSwait)

 		n = OSidle;

 	if(n < 0 || n > OSend){

 		dprint("frm: %M invalid animation frame %d\n", mo, n);

--- a/sim.c

+++ b/sim.c

@@ -11,6 +11,7 @@

 	[OSidle] "idle",

 	[OSmove] "moving",

 	[OSgather] "gathering",

+	[OSwait] "waiting",

 };

 static Mobjl mobjl0 = {.l = &mobjl0, .lp = &mobjl0}, *mobjl = &mobjl0;

--- a/sim.gather.c

+++ b/sim.gather.c

@@ -8,6 +8,7 @@

 /* FIXME: additional bullshit logic */

 enum{

+	Twait = 8,

 	Tgather = 75,	/* FIXME: 37 for gas, define in db? */

 	Namount = 8,

 };

@@ -18,16 +19,40 @@

 }

 static void

+returncargo(Mobj *mo)

+{

+	Resource *r;

+	Command *c;

+

+	c = mo->cmds;

+	r = c->target1->o->res;

+	assert(r != nil);

+	teams[mo->team].r[r-resources] += Namount;

+}

+

+static void

+waitstep(Mobj *mo)

+{

+	Command *c;

+

+	c = mo->cmds;

+	if(--c->tc > 0)

+		return;

+	nextstate(mo);

+}

+

+static void

 step(Mobj *mo)

 {

 	Command *c;

 	c = mo->cmds;

-	if(++c->tc >= Tgather){

-		nextstate(mo);

+	if(++c->tc < Tgather)

 		return;

-	}

-	// FIXME: butts

+	returncargo(mo);

+	mo->state = OSwait;

+	c->stepfn = waitstep;

+	c->tc = nrand(Twait+1);

 }

 static int

@@ -39,7 +64,7 @@

 	/* FIXME: check if resource still exists? (and amount >0) (needs despawning/death) */

 	c->cleanupfn = cleanup;

 	c->stepfn = step;

-	c->nextfn = nil;

+	c->nextfn = pushgather;

 	c->tc = 0;

 	mo->state = OSgather;

 	return 0;