add duel::buffer_size() (#653)

* add duel::buffer_size()

* fix warning C4267 about size

duel.cpp

@@ -98,9 +98,10 @@ void duel::delete_effect(effect* peffect) {
 	delete peffect;
 }
 int32 duel::read_buffer(byte* buf) {
-	if(message_buffer.size())
-		std::memcpy(buf, message_buffer.data(), message_buffer.size());
-	return (int32)message_buffer.size();
+	auto size = buffer_size();
+	if (size)
+		std::memcpy(buf, message_buffer.data(), size);
+	return (int32)size;
 }
 void duel::release_script_group() {
 	for(auto& pgroup : sgroups) {

duel.h

@@ -13,6 +13,7 @@
 #include "mtrandom.h"
 #include <set>
 #include <unordered_set>
+#include <vector>
 
 class card;
 class group;
@@ -40,6 +41,9 @@ public:
 	~duel();
 	void clear();
 	
+	uint32 buffer_size() const {
+		return (uint32)message_buffer.size() & PROCESSOR_BUFFER_LEN;
+	}
 	card* new_card(uint32 code);
 	group* new_group();
 	group* new_group(card* pcard);

field.h

@@ -627,7 +627,7 @@ public:
 	int32 toss_dice(uint16 step, effect* reason_effect, uint8 reason_player, uint8 playerid, uint8 count1, uint8 count2);
 	int32 rock_paper_scissors(uint16 step, uint8 repeat);
 
-	bool check_response(int32 vector_size, int32 min_len, int32 max_len) const;
+	bool check_response(size_t vector_size, int32 min_len, int32 max_len) const;
 	int32 select_battle_command(uint16 step, uint8 playerid);
 	int32 select_idle_command(uint16 step, uint8 playerid);
 	int32 select_effect_yes_no(uint16 step, uint8 playerid, uint32 description, card* pcard);

operations.cpp

@@ -4367,7 +4367,7 @@ int32 field::send_to(uint16 step, group * targets, effect * reason_effect, uint3
 				raise_single_event(pcard, 0, EVENT_DESTROYED, pcard->current.reason_effect, pcard->current.reason, pcard->current.reason_player, 0, 0);
 			}
 			if(pcard->xyz_materials.size()) {
-				pcard->xyz_materials_previous_count_onfield = pcard->xyz_materials.size();
+				pcard->xyz_materials_previous_count_onfield = (int32)pcard->xyz_materials.size();
 				for(auto& mcard : pcard->xyz_materials)
 					overlays.insert(mcard);
 			} else {
@@ -4711,7 +4711,7 @@ int32 field::move_to_field(uint16 step, card* target, uint32 enable, uint32 ret,
 				}
 			}
 			if(target->xyz_materials.size()) {
-				target->xyz_materials_previous_count_onfield = target->xyz_materials.size();
+				target->xyz_materials_previous_count_onfield = (int32)target->xyz_materials.size();
 				card_set overlays;
 				overlays.insert(target->xyz_materials.begin(), target->xyz_materials.end());
 				send_to(&overlays, 0, REASON_LOST_OVERLAY + REASON_RULE, PLAYER_NONE, PLAYER_NONE, LOCATION_GRAVE, 0, POS_FACEUP);

playerop.cpp

@@ -14,14 +14,14 @@
 #include <algorithm>
 #include <stack>
 
-bool field::check_response(int32 vector_size, int32 min_len, int32 max_len) const {
+bool field::check_response(size_t vector_size, int32 min_len, int32 max_len) const {
 	const int32 len = returns.bvalue[0];
 	if (len < min_len || len > max_len)
 		return false;
 	std::set<uint8> index_set;
 	for (int32 i = 0; i < len; ++i) {
 		uint8 index = returns.bvalue[1 + i];
-		if (index >=vector_size  || index_set.count(index)) {
+		if (index >= (int32)vector_size  || index_set.count(index)) {
 			return false;
 		}
 		index_set.insert(index);