Instant Death Fixes

- Fix some overflows with instant death mode

src/d/actor/d_a_alink_damage.inc

@@ -157,10 +157,11 @@ f32 daAlink_c::damageMagnification(BOOL i_checkZoraMag, int param_1) {
     }
 
     #if TARGET_PC
-    base_mag *= dusk::getSettings().game.damageMultiplier;
     if (dusk::getSettings().game.instantDeath) {
-        base_mag = 9999.0f;
+        return 9999.0f; // don't need to multiply this further, 9999 is plenty
     }
+
+    base_mag *= dusk::getSettings().game.damageMultiplier;
     #endif
 
     if (checkWolf() && !checkCargoCarry() && param_1 == 0) {

src/d/d_meter2.cpp

@@ -606,7 +606,12 @@ void dMeter2_c::moveLife() {
             life_count = (dComIfGs_getMaxLife() / 5) * 4;
         }
 
+#if TARGET_PC
+        int new_life = dComIfGs_getLife() + dComIfGp_getItemLifeCount(); // prevent an overflow with really large damage values
+#else
         s16 new_life = dComIfGs_getLife() + dComIfGp_getItemLifeCount();
+#endif
+
         if (new_life > life_count) {
             new_life = life_count;
         } else if (new_life < 0) {