Bug 2684 Astraler Blick

Old implementation was bad, using set_observer is better. Still missing a test, but improved the one for sp_viewreality, which is almost doing the same thing - adaptation should be easy.

Fixes https://bugs.eressea.de/view.php?id=2684

src/kernel/pathfinder.c

@@ -79,7 +79,7 @@ static void free_nodes(node * root)
     }
 }
 
-struct selist *regions_in_range(struct region *handle_start, int maxdist,
+struct selist *path_regions_in_range(struct region *handle_start, int maxdist,
     bool(*allowed) (const struct region *, const struct region *))
 {
     selist * rlist = NULL;

src/kernel/pathfinder.h

@@ -8,15 +8,10 @@ extern "C" {
         const struct region *target, int maxlen,
         bool(*allowed) (const struct region *, const struct region *));
     extern bool path_exists(struct region *handle_start, const struct region *target,
-        int maxlen, bool(*allowed) (const struct region *,
-        const struct region *));
-    extern bool allowed_swim(const struct region *src,
-        const struct region *target);
-    extern bool allowed_fly(const struct region *src,
-        const struct region *target);
-    extern bool allowed_walk(const struct region *src,
-        const struct region *target);
-    extern struct selist *regions_in_range(struct region *src, int maxdist,
+        int maxlen, bool(*allowed) (const struct region *, const struct region *));
+    extern bool allowed_fly(const struct region *src, const struct region *target);
+    extern bool allowed_walk(const struct region *src, const struct region *target);
+    extern struct selist *path_regions_in_range(struct region *src, int maxdist,
         bool(*allowed) (const struct region *, const struct region *));
 
     extern void pathfinder_cleanup(void);

src/monsters.c

@@ -497,7 +497,7 @@ static attrib *set_new_dragon_target(unit * u, region * r, int range)
 {
     int max_affinity = 0;
     region *max_region = NULL;
-    selist *ql, *rlist = regions_in_range(r, range, allowed_dragon);
+    selist *ql, *rlist = path_regions_in_range(r, range, allowed_dragon);
     int qi;
 
     for (qi = 0, ql = rlist; ql; selist_advance(&ql, &qi, 1)) {

src/spells.c

@@ -5423,19 +5423,22 @@ int sp_fetchastral(castorder * co)
     return cast_level;
 }
 
-#define SHOWASTRAL_IS_BORKED
+static bool cb_not_astral_blocked(const struct region *rt) {
+    return !is_cursed(rt->attribs, &ct_astralblock);
+}
+
+#undef SHOWASTRAL_IS_BORKED
 #ifndef SHOWASTRAL_IS_BORKED
+#define SHOWASTRAL_MAX_RADIUS 5
 int sp_showastral(castorder * co)
 {
-    unit *u;
     region *rt;
     int n = 0;
-    int c = 0;
-    region_list *rl, *rl2;
     region *r = co_get_region(co);
     unit *mage = co_get_caster(co);
-    int cast_level = co->level;
-    double power = co->force;
+    int force = (int) co->force;
+    int radius = (force < SHOWASTRAL_MAX_RADIUS) ? force : SHOWASTRAL_MAX_RADIUS;
+    region *targets[4 * SHOWASTRAL_MAX_RADIUS * SHOWASTRAL_MAX_RADIUS];
 
     switch (getplaneid(r)) {
     case 0:
@@ -5455,62 +5458,21 @@ int sp_showastral(castorder * co)
         return 0;
     }
 
-    rl = all_in_range(rt, power / 5);
-
-    /* Erst Einheiten zaehlen, fuer die Grammatik. */
-
-    for (rl2 = rl; rl2; rl2 = rl2->next) {
-        region *r2 = rl2->data;
-        if (!is_cursed(r2->attribs, &ct_astralblock)) {
-            for (u = r2->units; u; u = u->next) {
-                n++;
-            }
-        }
-    }
-
+    n = regions_in_range(rt, radius, cb_not_astral_blocked, targets);
     if (n == 0) {
         /* sprintf(buf, "%s kann niemanden im astralen Nebel entdecken.",
            unitname(mage)); */
         cmistake(mage, co->order, 220, MSG_MAGIC);
     }
     else {
-
-        /* Ausgeben */
-
-        sprintf(buf, "%s hat eine Vision der astralen Ebene. Im astralen "
-            "Nebel zu erkennen sind ", unitname(mage));
-
-        for (rl2 = rl; rl2; rl2 = rl2->next) {
-            if (!is_cursed(rl2->data->attribs, &ct_astralblock)) {
-                for (u = rl2->data->units; u; u = u->next) {
-                    c++;
-                    scat(unitname(u));
-                    scat(" (");
-                    if (!fval(u, UFL_ANON_FACTION)) {
-                        scat(factionname(u->faction));
-                        scat(", ");
+        int i;
+        for (i = 0; i != n; ++i) {
+            region *rt = targets[i];
+            set_observer(rt, mage->faction, (int)(co->force / 2), 2);
         }
-                    icat(u->number);
-                    scat(" ");
-                    scat(LOC(mage->faction->locale, rc_name_s(u_race(u), (u->number == 1) ? NAME_SINGULAR : NAME_PLURAL)));
-                    scat(", Entfernung ");
-                    icat(distance(rl2->data, rt));
-                    scat(")");
-                    if (c == n - 1) {
-                        scat(" und ");
-                    }
-                    else if (c < n - 1) {
-                        scat(", ");
-                    }
-                }
-            }
-        }
-        scat(".");
-        addmessage(r, mage->faction, buf, MSG_MAGIC, ML_INFO);
     }
 
-    free_regionlist(rl);
-    return cast_level;
+    return co->level;
 }
 #endif
 
@@ -5519,7 +5481,7 @@ int sp_viewreality(castorder * co)
 {
     region *r = co_get_region(co);
     unit *mage = co_get_caster(co);
-    int cast_level = co->level;
+    int force = (int)co->force;
     message *m;
     region *rl[MAX_SCHEMES];
     int num;
@@ -5537,7 +5499,7 @@ int sp_viewreality(castorder * co)
         for (i = 0; i != num; ++i) {
             region *rt = rl[i];
             if (!is_cursed(rt->attribs, &ct_astralblock)) {
-                set_observer(rt, mage->faction, co->level / 2, 2);
+                set_observer(rt, mage->faction, force / 2, 2);
             }
         }
     }
@@ -5546,7 +5508,7 @@ int sp_viewreality(castorder * co)
     r_addmessage(r, mage->faction, m);
     msg_release(m);
 
-    return cast_level;
+    return co->level;
 }
 
 static void cb_disrupt_astral(region *r2, void *cbdata) {

src/spells.test.c

@@ -116,7 +116,7 @@ static void test_bad_dreams(CuTest *tc) {
 }
 
 static void test_view_reality(CuTest *tc) {
-    region *r, *ra;
+    region *r, *ra, *rx;
     faction *f;
     unit *u;
     castorder co;
@@ -127,12 +127,13 @@ static void test_view_reality(CuTest *tc) {
     mt_create_va(mt_new("viewreality_effect", NULL),
         "unit:unit", MT_NEW_END);
     r = test_create_region(0, 0, NULL);
+    rx = test_create_region(0, TP_RADIUS+1, NULL);
     ra = test_create_region(real2tp(r->x), real2tp(r->y), NULL);
     ra->_plane = get_astralplane();
     f = test_create_faction(NULL);
     u = test_create_unit(f, r);
 
-    test_create_castorder(&co, u, 10, 10., 0, NULL);
+    test_create_castorder(&co, u, 10, 10.0, 0, NULL);
     CuAssertIntEquals(tc, -1, get_observer(r, f));
     CuAssertIntEquals(tc, 0, sp_viewreality(&co));
     CuAssertPtrNotNull(tc, test_find_messagetype(f->msgs, "spell_astral_only"));
@@ -141,11 +142,12 @@ static void test_view_reality(CuTest *tc) {
     test_clear_messagelist(&f->msgs);
     move_unit(u, ra, NULL);
 
-    test_create_castorder(&co, u, 9, 10., 0, NULL);
+    test_create_castorder(&co, u, 9, 10.0, 0, NULL);
     CuAssertIntEquals(tc, -1, get_observer(r, f));
     CuAssertIntEquals(tc, 9, sp_viewreality(&co));
     CuAssertPtrEquals(tc, NULL, test_find_messagetype(f->msgs, "spell_astral_only"));
-    CuAssertIntEquals(tc, 4, get_observer(r, f));
+    CuAssertIntEquals(tc, 5, get_observer(r, f));
+    CuAssertIntEquals(tc, -1, get_observer(rx, f));
     CuAssertPtrEquals(tc, f, (void *)ra->individual_messages->viewer);
     CuAssertPtrNotNull(tc, test_find_messagetype(ra->individual_messages->msgs, "viewreality_effect"));
     free_castorder(&co);

src/teleport.c

@@ -43,21 +43,18 @@ static region *tpregion(const region * r)
     return rt;
 }
 
-
-int get_astralregions(const region * r, bool(*valid) (const region *), region *result[])
+int regions_in_range(const region * r, int radius, bool(*valid) (const region *), region *result[])
 {
-    assert(is_astral(r));
-    r = r_astral_to_standard(r);
-    if (r) {
     int x, y, num = 0;
-        for (x = -TP_RADIUS; x <= +TP_RADIUS; ++x) {
-            for (y = -TP_RADIUS; y <= +TP_RADIUS; ++y) {
-                region *rn;
+    const struct plane *pl = rplane(r);
+    for (x = -radius; x <= +radius; ++x) {
+        for (y = -radius; y <= radius; ++y) {
             int dist = koor_distance(0, 0, x, y);
 
-                if (dist <= TP_RADIUS) {
+            if (dist <= radius) {
+                region *rn;
                 int nx = r->x + x, ny = r->y + y;
-                    pnormalize(&nx, &ny, rplane(r));
+                pnormalize(&nx, &ny, pl);
                 rn = findregion(nx, ny);
                 if (rn != NULL && (valid == NULL || valid(rn))) {
                     if (result) {
@@ -70,6 +67,14 @@ int get_astralregions(const region * r, bool(*valid) (const region *), region *r
     }
     return num;
 }
+
+int get_astralregions(const region * r, bool(*valid) (const region *), region *result[])
+{
+    assert(is_astral(r));
+    r = r_astral_to_standard(r);
+    if (r) {
+        return regions_in_range(r, TP_RADIUS, valid, result);
+    }
     return 0;
 }
 

src/teleport.h

@@ -20,6 +20,7 @@ extern "C" {
     bool is_astral(const struct region *r);
     struct plane *get_astralplane(void);
     int get_astralregions(const struct region * r, bool(*valid) (const struct region *), struct region *result[]);
+    int regions_in_range(const struct region * r, int radius, bool(*valid) (const struct region *), struct region *result[]);
 
     void create_teleport_plane(void);
     void spawn_braineaters(float chance);