forked from github/server
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
#include <platform.h>
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#include <kernel/unit.h>
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#include <kernel/region.h>
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#include <kernel/save.h>
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#include <util/attrib.h>
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#include <attributes/stealth.h>
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#include <stdlib.h>
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attrib_type at_stealth = {
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"stealth", NULL, NULL, NULL, a_writeint, a_readint
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};
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void u_seteffstealth(unit * u, int value)
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{
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if (skill_enabled(SK_STEALTH)) {
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attrib *a = NULL;
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if (u->flags & UFL_STEALTH) {
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a = a_find(u->attribs, &at_stealth);
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}
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if (value < 0) {
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if (a != NULL) {
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u->flags &= ~UFL_STEALTH;
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a_remove(&u->attribs, a);
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}
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return;
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}
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if (a == NULL) {
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a = a_add(&u->attribs, a_new(&at_stealth));
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u->flags |= UFL_STEALTH;
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}
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a->data.i = value;
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}
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}
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int u_geteffstealth(const unit *u)
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{
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if (skill_enabled(SK_STEALTH)) {
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if (u->flags & UFL_STEALTH) {
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attrib *a = a_find(u->attribs, &at_stealth);
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if (a != NULL)
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return a->data.i;
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}
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}
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return -1;
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}
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/* r != u->region when called by cansee (see comment there) */
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int eff_stealth(const unit * u, const region * r)
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{
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int e = 0;
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/* Auf Schiffen keine Tarnung! */
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if (!u->ship && skill_enabled(SK_STEALTH)) {
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e = effskill(u, SK_STEALTH, r);
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if (u->flags & UFL_STEALTH) {
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int es = u_geteffstealth(u);
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if (es >= 0 && es < e)
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return es;
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}
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}
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return e;
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}
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