Added NWN Dark Sun module contents

Added NWN Dark Sun module contents.

nwnds_module/ps_biofeedbk.nss

@@ -0,0 +1,31 @@
+/************************************
+*   Biofeedback                     *
+*                                   *
+*   Cost: 10                        *
+*   Power Score: Con -2             *
+*                                   *
+************************************/
+
+#include "lib_psionic"
+
+void main()
+{
+    object oPC=OBJECT_SELF;
+    int nCost=10;
+    int nPowerScore=GetAbilityScore(oPC, ABILITY_CONSTITUTION)-2;
+    effect eVis=EffectVisualEffect(VFX_IMP_DEATH_WARD);
+    effect eLink=EffectACIncrease(1, AC_NATURAL_BONUS);
+    eLink=EffectLinkEffects(eLink, EffectDamageReduction(5, DAMAGE_POWER_PLUS_TWENTY));
+    eLink=ExtraordinaryEffect(eLink);
+    int nLevel=GetEffectivePsionicLevel(oPC, FEAT_PSIONIC_BIOFEEDBACK);
+
+    if (!PowerCheck(oPC, nCost, nPowerScore, FEAT_PSIONIC_BIOFEEDBACK)) return;
+
+    int nDuration=GetEnhancedDuration(nLevel);
+
+    RemoveEffectsFrom(oPC, SPELL_PSIONIC_BIOFEEDBACK);
+
+    ApplyEffectToObject(DURATION_TYPE_INSTANT, eVis, oPC);
+    ApplyEffectToObject(DURATION_TYPE_TEMPORARY, eLink, oPC, TurnsToSeconds(nDuration));
+
+}