remove std::round

round decimals correctly in scripts
close #264

interpreter.cpp

@@ -433,7 +433,7 @@ int32 interpreter::get_operation_value(card* pcard, int32 findex, int32 extraarg
 		}
 		return OPERATION_FAIL;
 	}
-	int32 result = lua_isinteger(current_state, -1) ? lua_tointeger(current_state, -1) : std::round(lua_tonumber(current_state, -1));
+	int32 result = lua_isinteger(current_state, -1) ? lua_tointeger(current_state, -1) : lua_tonumber(current_state, -1);
 	lua_pop(current_state, 1);
 	no_action--;
 	call_depth--;
@@ -457,7 +457,7 @@ int32 interpreter::get_function_value(int32 f, uint32 param_count) {
 		else if(lua_isinteger(current_state, -1))
 			result = lua_tointeger(current_state, -1);
 		else
-			result = std::round(lua_tonumber(current_state, -1));
+			result = lua_tonumber(current_state, -1);
 		lua_pop(current_state, 1);
 		no_action--;
 		call_depth--;
@@ -493,7 +493,7 @@ int32 interpreter::get_function_value(int32 f, uint32 param_count, std::vector<i
 			else if(lua_isinteger(current_state, index))
 				return_value = lua_tointeger(current_state, index);
 			else
-				return_value = std::round(lua_tonumber(current_state, index));
+				return_value = lua_tonumber(current_state, index);
 			result->push_back(return_value);
 		}
 		lua_settop(current_state, stack_top);

interpreter.h

@@ -17,7 +17,6 @@
 #include <vector>
 #include <cstdio>
 #include <cstring>
-#include <cmath>
 
 class card;
 class effect;

libduel.cpp

@@ -33,7 +33,7 @@ int32 scriptlib::duel_get_lp(lua_State *L) {
 int32 scriptlib::duel_set_lp(lua_State *L) {
 	check_param_count(L, 2);
 	int32 p = lua_tointeger(L, 1);
-	int32 lp = std::round(lua_tonumber(L, 2));
+	int32 lp = lua_tonumber(L, 2);
 	if(lp < 0) lp = 0;
 	if(p != 0 && p != 1)
 		return 0;
@@ -1199,7 +1199,7 @@ int32 scriptlib::duel_damage(lua_State *L) {
 	uint32 playerid = lua_tointeger(L, 1);
 	if(playerid != 0 && playerid != 1)
 		return 0;
-	int32 amount = std::round(lua_tonumber(L, 2));
+	int32 amount = lua_tonumber(L, 2);
 	if(amount < 0)
 		amount = 0;
 	uint32 reason = lua_tointeger(L, 3);
@@ -1220,7 +1220,7 @@ int32 scriptlib::duel_recover(lua_State *L) {
 	uint32 playerid = lua_tointeger(L, 1);
 	if(playerid != 0 && playerid != 1)
 		return 0;
-	int32 amount = std::round(lua_tonumber(L, 2));
+	int32 amount = lua_tonumber(L, 2);
 	if(amount < 0)
 		amount = 0;
 	uint32 reason = lua_tointeger(L, 3);

libeffect.cpp

@@ -269,7 +269,7 @@ int32 scriptlib::effect_set_value(lua_State *L) {
 		else if(lua_isinteger(L, 2))
 			peffect->value = lua_tointeger(L, 2);
 		else
-			peffect->value = std::round(lua_tonumber(L, 2));
+			peffect->value = lua_tonumber(L, 2);
 	}
 	return 0;
 }