mirror of
https://github.com/ddnet/ddnet.git
synced 2024-09-20 09:34:19 +00:00
358 lines
10 KiB
Python
358 lines
10 KiB
Python
import sys
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from .datatypes import *
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from . import content
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from . import network
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def create_enum_table(names, num):
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lines = []
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lines += ["enum", "{"]
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lines += ["\t%s=0,"%names[0]]
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for name in names[1:]:
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lines += ["\t%s,"%name]
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lines += ["\t%s" % num, "};"]
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return lines
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def create_flags_table(names):
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lines = []
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lines += ["enum", "{"]
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i = 0
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for name in names:
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lines += ["\t%s = 1<<%d," % (name,i)]
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i += 1
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lines += ["};"]
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return lines
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def EmitEnum(names, num):
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print("enum")
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print("{")
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print("\t%s=0," % names[0])
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for name in names[1:]:
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print("\t%s," % name)
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print("\t%s" % num)
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print("};")
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def EmitFlags(names, num):
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print("enum")
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print("{")
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i = 0
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for name in names:
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print("\t%s = 1<<%d," % (name,i))
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i += 1
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print("};")
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gen_network_header = False
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gen_network_source = False
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gen_client_content_header = False
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gen_client_content_source = False
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gen_server_content_header = False
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gen_server_content_source = False
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if "network_header" in sys.argv: gen_network_header = True
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if "network_source" in sys.argv: gen_network_source = True
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if "client_content_header" in sys.argv: gen_client_content_header = True
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if "client_content_source" in sys.argv: gen_client_content_source = True
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if "server_content_header" in sys.argv: gen_server_content_header = True
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if "server_content_source" in sys.argv: gen_server_content_source = True
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if gen_client_content_header:
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print("#ifndef CLIENT_CONTENT_HEADER")
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print("#define CLIENT_CONTENT_HEADER")
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if gen_server_content_header:
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print("#ifndef SERVER_CONTENT_HEADER")
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print("#define SERVER_CONTENT_HEADER")
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if gen_client_content_header or gen_server_content_header:
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# print some includes
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print('#include <engine/graphics.h>')
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print('#include <engine/sound.h>')
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# emit the type declarations
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contentlines = open("datasrc/content.py", "rb").readlines()
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order = []
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for line in contentlines:
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line = line.strip()
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if line[:6] == "class ".encode() and "(Struct)".encode() in line:
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order += [line.split()[1].split("(".encode())[0].decode("ascii")]
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for name in order:
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EmitTypeDeclaration(content.__dict__[name])
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# the container pointer
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print('extern CDataContainer *g_pData;')
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# enums
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EmitEnum(["IMAGE_%s"%i.name.value.upper() for i in content.container.images.items], "NUM_IMAGES")
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EmitEnum(["ANIM_%s"%i.name.value.upper() for i in content.container.animations.items], "NUM_ANIMS")
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EmitEnum(["SPRITE_%s"%i.name.value.upper() for i in content.container.sprites.items], "NUM_SPRITES")
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if gen_client_content_source or gen_server_content_source:
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if gen_client_content_source:
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print('#include "client_data.h"')
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if gen_server_content_source:
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print('#include "server_data.h"')
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EmitDefinition(content.container, "datacontainer")
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print('CDataContainer *g_pData = &datacontainer;')
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# NETWORK
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if gen_network_header:
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print("#ifndef GAME_GENERATED_PROTOCOL7_H")
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print("#define GAME_GENERATED_PROTOCOL7_H")
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print("namespace protocol7 {")
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print(network.RawHeader)
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for e in network.Enums:
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for l in create_enum_table(["%s_%s"%(e.name, v) for v in e.values], 'NUM_%sS'%e.name): print(l)
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print("")
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for e in network.Flags:
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for l in create_flags_table(["%s_%s" % (e.name, v) for v in e.values]): print(l)
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print("")
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for l in create_enum_table(["NETOBJ_INVALID"]+[o.enum_name for o in network.Objects], "NUM_NETOBJTYPES"): print(l)
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print("")
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for l in create_enum_table(["NETMSG_INVALID"]+[o.enum_name for o in network.Messages], "NUM_NETMSGTYPES"): print(l)
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print("")
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print("""
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template<class...>
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using void_t = void;
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template<typename T, typename = void>
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struct is_sixup {
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constexpr static bool value = false;
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};
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template<typename T>
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struct is_sixup<T, void_t<typename T::is_sixup>> {
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constexpr static bool value = true;
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};
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""")
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for item in network.Objects + network.Messages:
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for line in item.emit_declaration():
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print(line)
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print("")
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EmitEnum(["SOUND_%s"%i.name.value.upper() for i in content.container.sounds.items], "NUM_SOUNDS")
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EmitEnum(["WEAPON_%s"%i.name.value.upper() for i in content.container.weapons.id.items], "NUM_WEAPONS")
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print("""
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class CNetObjHandler
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{
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const char *m_pMsgFailedOn;
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char m_aMsgData[1024];
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const char *m_pObjFailedOn;
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int m_NumObjFailures;
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bool CheckInt(const char *pErrorMsg, int Value, int Min, int Max);
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bool CheckFlag(const char *pErrorMsg, int Value, int Mask);
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static const char *ms_apObjNames[];
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static int ms_aObjSizes[];
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static const char *ms_apMsgNames[];
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public:
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CNetObjHandler();
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int ValidateObj(int Type, const void *pData, int Size);
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const char *GetObjName(int Type) const;
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int GetObjSize(int Type) const;
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const char *FailedObjOn() const;
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int NumObjFailures() const;
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const char *GetMsgName(int Type) const;
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void *SecureUnpackMsg(int Type, CUnpacker *pUnpacker);
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const char *FailedMsgOn() const;
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};
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""")
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print("}")
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print("#endif // GAME_GENERATED_PROTOCOL7_H")
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if gen_network_source:
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# create names
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lines = []
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lines += ['#include <engine/shared/protocol.h>']
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lines += ['#include <engine/message.h>']
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lines += ['#include "protocol7.h"']
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lines += ['namespace protocol7 {']
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lines += ['CNetObjHandler::CNetObjHandler()']
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lines += ['{']
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lines += ['\tm_pMsgFailedOn = "";']
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lines += ['\tm_pObjFailedOn = "";']
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lines += ['\tm_NumObjFailures = 0;']
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lines += ['}']
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lines += ['']
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lines += ['const char *CNetObjHandler::FailedObjOn() const { return m_pObjFailedOn; }']
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lines += ['int CNetObjHandler::NumObjFailures() const { return m_NumObjFailures; }']
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lines += ['const char *CNetObjHandler::FailedMsgOn() const { return m_pMsgFailedOn; }']
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lines += ['']
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lines += ['']
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lines += ['']
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lines += ['']
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lines += ['static const int max_int = 0x7fffffff;']
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lines += ['']
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lines += ['bool CNetObjHandler::CheckInt(const char *pErrorMsg, int Value, int Min, int Max)']
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lines += ['{']
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lines += ['\tif(Value < Min || Value > Max) { m_pObjFailedOn = pErrorMsg; m_NumObjFailures++; return false; }']
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lines += ['\treturn true;']
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lines += ['}']
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lines += ['']
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lines += ['bool CNetObjHandler::CheckFlag(const char *pErrorMsg, int Value, int Mask)']
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lines += ['{']
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lines += ['\tif((Value&Mask) != Value) { m_pObjFailedOn = pErrorMsg; m_NumObjFailures++; return false; }']
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lines += ['\treturn true;']
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lines += ['}']
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lines += ['']
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lines += ["const char *CNetObjHandler::ms_apObjNames[] = {"]
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lines += ['\t"invalid",']
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lines += ['\t"%s",' % o.name for o in network.Objects]
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lines += ['\t""', "};", ""]
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lines += ["int CNetObjHandler::ms_aObjSizes[] = {"]
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lines += ['\t0,']
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lines += ['\tsizeof(%s),' % o.struct_name for o in network.Objects]
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lines += ['\t0', "};", ""]
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lines += ['const char *CNetObjHandler::ms_apMsgNames[] = {']
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lines += ['\t"invalid",']
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for msg in network.Messages:
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lines += ['\t"%s",' % msg.name]
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lines += ['\t""']
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lines += ['};']
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lines += ['']
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lines += ['const char *CNetObjHandler::GetObjName(int Type) const']
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lines += ['{']
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lines += ['\tif(Type < 0 || Type >= NUM_NETOBJTYPES) return "(out of range)";']
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lines += ['\treturn ms_apObjNames[Type];']
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lines += ['};']
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lines += ['']
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lines += ['int CNetObjHandler::GetObjSize(int Type) const']
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lines += ['{']
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lines += ['\tif(Type < 0 || Type >= NUM_NETOBJTYPES) return 0;']
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lines += ['\treturn ms_aObjSizes[Type];']
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lines += ['};']
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lines += ['']
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lines += ['const char *CNetObjHandler::GetMsgName(int Type) const']
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lines += ['{']
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lines += ['\tif(Type < 0 || Type >= NUM_NETMSGTYPES) return "(out of range)";']
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lines += ['\treturn ms_apMsgNames[Type];']
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lines += ['};']
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lines += ['']
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for l in lines:
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print(l)
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if 0:
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for item in network.Objects:
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for line in item.emit_validate():
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print(line)
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print("")
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# create validate tables
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lines = []
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lines += ['static int validate_invalid(void *data, int size) { return -1; }']
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lines += ["typedef int(*VALIDATEFUNC)(void *data, int size);"]
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lines += ["static VALIDATEFUNC validate_funcs[] = {"]
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lines += ['\tvalidate_invalid,']
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lines += ['\tvalidate_%s,' % o.name for o in network.Objects]
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lines += ["\t0x0", "};", ""]
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lines += ["int netobj_validate(int type, void *data, int size)"]
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lines += ["{"]
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lines += ["\tif(type < 0 || type >= NUM_NETOBJTYPES) return -1;"]
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lines += ["\treturn validate_funcs[type](data, size);"]
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lines += ["};", ""]
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lines = []
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lines += ['int CNetObjHandler::ValidateObj(int Type, const void *pData, int Size)']
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lines += ['{']
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lines += ['\tswitch(Type)']
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lines += ['\t{']
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for item in network.Objects:
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for line in item.emit_validate():
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lines += ["\t" + line]
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lines += ['\t']
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lines += ['\t}']
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lines += ['\treturn -1;']
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lines += ['};']
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lines += ['']
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#int Validate(int Type, void *pData, int Size);
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if 0:
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for item in network.Messages:
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for line in item.emit_unpack():
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print(line)
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print("")
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lines += ['static void *secure_unpack_invalid(CUnpacker *pUnpacker) { return 0; }']
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lines += ['typedef void *(*SECUREUNPACKFUNC)(CUnpacker *pUnpacker);']
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lines += ['static SECUREUNPACKFUNC secure_unpack_funcs[] = {']
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lines += ['\tsecure_unpack_invalid,']
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for msg in network.Messages:
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lines += ['\tsecure_unpack_%s,' % msg.name]
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lines += ['\t0x0']
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lines += ['};']
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#
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lines += ['void *CNetObjHandler::SecureUnpackMsg(int Type, CUnpacker *pUnpacker)']
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lines += ['{']
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lines += ['\tm_pMsgFailedOn = 0;']
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lines += ['\tm_pObjFailedOn = 0;']
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lines += ['\tswitch(Type)']
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lines += ['\t{']
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for item in network.Messages:
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for line in item.emit_unpack():
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lines += ["\t" + line]
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lines += ['\t']
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lines += ['\tdefault:']
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lines += ['\t\tm_pMsgFailedOn = "(type out of range)";']
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lines += ['\t\tbreak;']
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lines += ['\t}']
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lines += ['\t']
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lines += ['\tif(pUnpacker->Error())']
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lines += ['\t\tm_pMsgFailedOn = "(unpack error)";']
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lines += ['\t']
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lines += ['\tif(m_pMsgFailedOn || m_pObjFailedOn) {']
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lines += ['\t\tif(!m_pMsgFailedOn)']
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lines += ['\t\t\tm_pMsgFailedOn = "";']
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lines += ['\t\tif(!m_pObjFailedOn)']
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lines += ['\t\t\tm_pObjFailedOn = "";']
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lines += ['\t\treturn 0;']
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lines += ['\t}']
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lines += ['\tm_pMsgFailedOn = "";']
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lines += ['\tm_pObjFailedOn = "";']
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lines += ['\treturn m_aMsgData;']
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lines += ['};']
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lines += ['}']
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lines += ['']
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for l in lines:
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print(l)
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if gen_client_content_header or gen_server_content_header:
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print("#endif")
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