made some progress, but SHP image position is not always correct .

3rdParty/xcc/misc/cc_file.cpp

@@ -257,7 +257,7 @@ int Ccc_file::read()
 	return 0;
 }
 
-int Ccc_file::read(void* data, int size)
+int Ccc_file::read(void* data, int64_t size)
 {
 	if (get_p() < 0 || get_p() + size > get_size())
 		return 1;

3rdParty/xcc/misc/cc_file.h

@@ -114,7 +114,7 @@ public:
 	void load(const Ccc_file& f);
 	t_file_type get_file_type(bool fast = true);
 	int read();
-	int read(void* data, int size);
+	int read(void* data, int64_t size);
 	int extract(const string& name);
 	virtual void close();
 	Ccc_file(bool read_on_open);
@@ -154,7 +154,7 @@ public:
 		return m_data;
 	}
 
-	int get_p() const
+	int64_t get_p() const
 	{
 		return m_p;
 	}
@@ -174,7 +174,7 @@ public:
 		m_p = p;
 	}
 
-	void skip(int p)
+	void skip(int64_t p)
 	{
 		m_p += p;
 	}
@@ -189,7 +189,7 @@ private:
 	Cvirtual_binary m_data;
 	Cfile32 m_f;
 	bool m_is_open = false;
-	int m_p;
+	int64_t m_p;
 	const bool m_read_on_open;
 	size_t m_size;
 };

3rdParty/xcc/misc/cc_structures.h

@@ -194,7 +194,7 @@ struct t_mix_index_entry
 {
 	t_mix_index_entry() = default;
 
-	t_mix_index_entry(unsigned int id_, int offset_, int size_)
+	t_mix_index_entry(unsigned int id_, int offset_, unsigned __int32 size_)
 	{
 		id = id_;
 		offset = offset_;
@@ -203,7 +203,7 @@ struct t_mix_index_entry
 
 	unsigned __int32 id;
 	__int32 offset;
-	__int32 size;
+	unsigned __int32 size;
 };
 
 struct t_mix_rg_header

3rdParty/xcc/misc/mix_file.cpp

@@ -318,7 +318,7 @@ string Cmix_file::get_name(int id)
 #endif
 }
 
-int Cmix_file::get_id(t_game game, string name)
+unsigned int Cmix_file::get_id(t_game game, string name)
 {
 	boost::to_upper(name);
 	std::replace(name.begin(), name.end(), '/', '\\');

3rdParty/xcc/misc/mix_file.h

@@ -26,7 +26,7 @@ class Cmix_file : public Ccc_file
 public:
 	int post_open();
 	string get_name(int id);
-	static int get_id(t_game game, string name);
+	static unsigned int get_id(t_game game, string name);
 	int get_index(unsigned int id) const;
 	using Ccc_file::get_size;
 	using Ccc_file::vdata;
@@ -80,10 +80,14 @@ public:
 		return m_index[get_index(id)].offset;
 	}
 
-	int get_size(unsigned int id) const
+	size_t get_size(unsigned int id) const
 	{
-		assert(get_index(id) != -1);
-		return m_index[get_index(id)].size;
+		auto const idx = get_index(id);
+		//assert(idx != -1);
+		if (idx >= 0) {
+			return m_index[idx].size;
+		}
+		return 0;
 	}
 
 	bool has_checksum() const
@@ -101,7 +105,7 @@ public:
 		return &m_index[0];
 	}
 private:
-	using t_id_index = map<int, int>;
+	using t_id_index = map<unsigned int, int>;
 
 	static bool m_ft_support;
 

3rdParty/xcc/misc/tmp_file.h

@@ -27,7 +27,7 @@ public:
 	bool is_valid() const
 	{
 		const t_tmp_header& h = header();
-		int size = get_size();
+		auto const size = get_size();
 		return !(sizeof(t_tmp_header) > size ||
 			h.cx != 24 ||
 			h.cy != 24 ||