mirror of
https://github.com/ddnet/ddnet.git
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327 lines
9.2 KiB
Python
327 lines
9.2 KiB
Python
import sys
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from .datatypes import EmitDefinition, EmitTypeDeclaration
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from . import content # pylint: disable=no-name-in-module
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from . import network # pylint: disable=no-name-in-module
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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 += [f"\t{names[0]}=0,"]
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for name in names[1:]:
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lines += [f"\t{name},"]
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lines += [f"\t{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 += [f"\t{name} = 1<<{int(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(f"\t{names[0]}=0,")
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for name in names[1:]:
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print(f"\t{name},")
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print(f"\t{num}")
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print("};")
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def EmitFlags(names):
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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(f"\t{name} = 1<<{int(i)},")
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i += 1
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print("};")
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def main():
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gen_network_header = "network_header" in sys.argv
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gen_network_source = "network_source" in sys.argv
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gen_client_content_header = "client_content_header" in sys.argv
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gen_client_content_source = "client_content_source" in sys.argv
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gen_server_content_header = "server_content_header" in sys.argv
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gen_server_content_source = "server_content_source" in sys.argv
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if gen_client_content_header:
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print("#ifndef CLIENT_CONTENT7_HEADER")
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print("#define CLIENT_CONTENT7_HEADER")
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if gen_server_content_header:
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print("#ifndef SERVER_CONTENT7_HEADER")
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print("#define SERVER_CONTENT7_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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print("namespace client_data7 {")
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# emit the type declarations
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with open("datasrc/content.py", "rb") as f:
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contentlines = f.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([f"IMAGE_{i.name.value.upper()}" for i in content.container.images.items], "NUM_IMAGES")
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EmitEnum([f"ANIM_{i.name.value.upper()}" for i in content.container.animations.items], "NUM_ANIMS")
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EmitEnum([f"SPRITE_{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_data7.h"')
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if gen_server_content_source:
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print('#include "server_data.h"')
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print("namespace client_data7 {")
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EmitDefinition(content.container, "datacontainer")
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print('CDataContainer *g_pData = &datacontainer;')
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print("}")
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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("class CUnpacker;")
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print("#include <engine/message.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([f"{e.name}_{v}" for v in e.values], f'NUM_{e.name}S'):
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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([f"{e.name}_{v}" for v in e.values]):
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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"):
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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"):
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print(l)
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print("")
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print("""
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template<typename... Ts> struct make_void { typedef void type;};
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template<typename... Ts> using void_t = typename make_void<Ts...>::type;
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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([f"SOUND_{i.name.value.upper()}" for i in content.container.sounds.items], "NUM_SOUNDS")
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EmitEnum([f"WEAPON_{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 "protocol7.h"']
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lines += ['#include <engine/shared/packer.h>']
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lines += ['#include <engine/shared/protocol.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 += [f'\t"{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 += [f'\tsizeof({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 += [f'\t"{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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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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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("}")
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print("#endif")
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if __name__ == '__main__':
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main()
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