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import os, imp, sys
from datatypes import *
import content
import network
def create_enum_table(names, num):
lines = []
lines += ["enum", "{"]
lines += ["\t%s=0,"%names[0]]
for name in names[1:]:
lines += ["\t%s,"%name]
lines += ["\t%s" % num, "};"]
return lines
def EmitEnum(names, num):
print "enum"
print "{"
print "\t%s=0,"%names[0]
for name in names[1:]:
print "\t%s,"%name
print "\t%s" % num
print "};"
gen_network_header = False
gen_network_source = False
gen_client_content_header = False
gen_client_content_source = False
gen_server_content_header = False
gen_server_content_source = False
if "network_header" in sys.argv: gen_network_header = True
if "network_source" in sys.argv: gen_network_source = True
if "client_content_header" in sys.argv: gen_client_content_header = True
if "client_content_source" in sys.argv: gen_client_content_source = True
if "server_content_header" in sys.argv: gen_server_content_header = True
if "server_content_source" in sys.argv: gen_server_content_source = True
if gen_client_content_header or gen_server_content_header:
# emit the type declarations
contentlines = file("datasrc/content.py").readlines()
order = []
for line in contentlines:
line = line.strip()
if line[:6] == "class " and '(Struct)' in line:
order += [line.split()[1].split("(")[0]]
for name in order:
EmitTypeDeclaration(content.__dict__[name])
# the container pointer
print 'extern DATACONTAINER *data;';
# enums
EmitEnum(["IMAGE_%s"%i.name.value.upper() for i in content.container.images.items], "NUM_IMAGES")
EmitEnum(["ANIM_%s"%i.name.value.upper() for i in content.container.animations.items], "NUM_ANIMS")
EmitEnum(["SPRITE_%s"%i.name.value.upper() for i in content.container.sprites.items], "NUM_SPRITES")
if gen_client_content_source or gen_server_content_source:
if gen_client_content_source:
print '#include "gc_data.h"'
if gen_server_content_source:
print '#include "gs_data.h"'
EmitDefinition(content.container, "datacontainer")
print 'DATACONTAINER *data = &datacontainer;';
# NETWORK
if gen_network_header:
print network.RawHeader
for e in network.Enums:
for l in create_enum_table(["%s_%s"%(e.name, v) for v in e.values], "NUM_%sS"%e.name): print l
print ""
for l in create_enum_table(["NETOBJ_INVALID"]+[o.enum_name for o in network.Objects], "NUM_NETOBJTYPES"): print l
print ""
for l in create_enum_table(["NETMSG_INVALID"]+[o.enum_name for o in network.Messages], "NUM_NETMSGTYPES"): print l
print ""
for item in network.Objects + network.Messages:
for line in item.emit_declaration():
print line
print ""
EmitEnum(["SOUND_%s"%i.name.value.upper() for i in content.container.sounds.items], "NUM_SOUNDS")
EmitEnum(["WEAPON_%s"%i.name.value.upper() for i in content.container.weapons.id.items], "NUM_WEAPONS")
print "int netobj_validate(int type, void *data, int size);"
print "const char *netobj_get_name(int type);"
print "void *netmsg_secure_unpack(int type);"
print "const char *netmsg_get_name(int type);"
print "const char *netmsg_failed_on();"
print "int netobj_num_corrections();"
print "const char *netobj_corrected_on();"
if gen_network_source:
# create names
lines = []
lines += ['#include <engine/e_common_interface.h>']
lines += ['#include "g_protocol.h"']
lines += ['const char *msg_failed_on = "";']
lines += ['const char *obj_corrected_on = "";']
lines += ['static int num_corrections = 0;']
lines += ['int netobj_num_corrections() { return num_corrections; }']
lines += ['const char *netobj_corrected_on() { return obj_corrected_on; }']
lines += ['const char *netmsg_failed_on() { return msg_failed_on; }']
lines += ['const int max_int = 0x7fffffff;']
lines += ['static int netobj_clamp_int(const char *error_msg, int v, int min, int max)']
lines += ['{']
lines += ['\tif(v<min) { obj_corrected_on = error_msg; num_corrections++; return min; }']
lines += ['\tif(v>max) { obj_corrected_on = error_msg; num_corrections++; return max; }']
lines += ['\treturn v;']
lines += ['}']
lines += ["static const char *netobj_names[] = {"]
lines += ['\t"%s",' % o.name for o in network.Objects]
lines += ['\t""', "};", ""]
for l in lines:
print l
for item in network.Objects:
for line in item.emit_validate():
print line
print ""
# create validate tables
lines = []
lines += ['static int validate_invalid(void *data, int size) { return -1; }']
lines += ["typedef int(*VALIDATEFUNC)(void *data, int size);"]
lines += ["static VALIDATEFUNC validate_funcs[] = {"]
lines += ['\tvalidate_invalid,']
lines += ['\tvalidate_%s,' % o.name for o in network.Objects]
lines += ["\t0x0", "};", ""]
lines += ["int netobj_validate(int type, void *data, int size)"]
lines += ["{"]
lines += ["\tif(type < 0 || type >= NUM_NETOBJTYPES) return -1;"]
lines += ["\treturn validate_funcs[type](data, size);"]
lines += ["};", ""]
lines += ['const char *netobj_get_name(int type)']
lines += ['{']
lines += ['\tif(type < 0 || type >= NUM_NETOBJTYPES) return "(out of range)";']
lines += ['\treturn netobj_names[type];']
lines += ['};']
lines += ['']
for item in network.Messages:
for line in item.emit_unpack():
print line
print ""
lines += ['static void *secure_unpack_invalid() { return 0; }']
lines += ['typedef void *(*SECUREUNPACKFUNC)();']
lines += ['static SECUREUNPACKFUNC secure_unpack_funcs[] = {']
lines += ['\tsecure_unpack_invalid,']
for msg in network.Messages:
lines += ['\tsecure_unpack_%s,' % msg.name]
lines += ['\t0x0']
lines += ['};']
#
lines += ['void *netmsg_secure_unpack(int type)']
lines += ['{']
lines += ['\tvoid *msg;']
lines += ['\tmsg_failed_on = "";']
lines += ['\tif(type < 0 || type >= NUM_NETMSGTYPES) return 0;']
lines += ['\tmsg = secure_unpack_funcs[type]();']
lines += ['\tif(msg_unpack_error()) return 0;']
lines += ['\treturn msg;']
lines += ['};']
lines += ['']
lines += ['static const char *message_names[] = {']
lines += ['\t"invalid",']
for msg in network.Messages:
lines += ['\t"%s",' % msg.name]
lines += ['\t""']
lines += ['};']
lines += ['']
lines += ['const char *netmsg_get_name(int type)']
lines += ['{']
lines += ['\tif(type < 0 || type >= NUM_NETMSGTYPES) return "(out of range)";']
lines += ['\treturn message_names[type];']
lines += ['};']
lines += ['']
for l in lines:
print l
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