More read/write test cases for monsters, especially monster abilities

Fixes:
- For radiate abilities, the pattern was not saved and defaulted to single instead of square on load
- For summon abilities, what to summon was not saved and chance was incorrectly saved

src/classes/estreams.cpp

@@ -14,6 +14,7 @@
 #include <boost/lexical_cast.hpp>
 #include <boost/ptr_container/ptr_set.hpp>
 #include "simpletypes.hpp"
+#include "spell.hpp"
 
 std::string oboeVersionString() {
 	unsigned short M, m, f;
@@ -646,3 +647,20 @@ std::istream& operator>> (std::istream& in, eContentRating& rating) {
 		in.setstate(std::ios::failbit);
 	return in;
 }
+
+// MARK: eSpellPat
+
+cEnumLookup spell_pat_strs = {
+	"single", "square", "small-square", "open-square", "radius-2", "radius-3", "plus", "wall",
+};
+
+std::ostream& operator<< (std::ostream& out, eSpellPat pat) {
+	writeEnum(out, pat, spell_pat_strs, "single");
+	return out;
+}
+
+std::istream& operator>> (std::istream& in, eSpellPat& pat) {
+	if(!readEnum(in, pat, spell_pat_strs, PAT_SINGLE))
+		in.setstate(std::ios::failbit);
+	return in;
+}

src/classes/monster.hpp

@@ -170,4 +170,7 @@ std::istream& operator >> (std::istream& in, eMonstTime& e);
 std::ostream& operator<< (std::ostream& out, eAttitude node);
 std::istream& operator>> (std::istream& in, eAttitude& node);
 std::ostream& operator<<(std::ostream& out, const cMonster::cAttack& att);
+std::ostream& operator<< (std::ostream& out, eSpellPat pat);
+std::istream& operator>> (std::istream& in, eSpellPat& pat);
+
 #endif