99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
#include "steam_defs.h"
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#include "steamworks_sdk_144/steam_api.h"
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#include "steamworks_sdk_144/steamnetworkingtypes.h"
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#include "steamclient_private.h"
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extern "C" {
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#define SDKVER_144
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#include "struct_converters.h"
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#include "windows.h"
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#include "queue.h"
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/***** manual struct converter for SteamNetworkingMessage_t *****/
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struct msg_wrapper {
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struct winSteamNetworkingMessage_t_144 win_msg;
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struct SteamNetworkingMessage_t *lin_msg;
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void (*orig_FreeData)(SteamNetworkingMessage_t *);
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SLIST_ENTRY(msg_wrapper) entry;
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};
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SLIST_HEAD(free_msgs_head, msg_wrapper) free_msgs = SLIST_HEAD_INITIALIZER(free_msgs);
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CRITICAL_SECTION free_msgs_lock = { NULL, -1, 0, 0, 0, 0 };
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void CDECL win_FreeData(struct winSteamNetworkingMessage_t_144 *win_msg)
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{
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struct msg_wrapper *msg = CONTAINING_RECORD(win_msg, struct msg_wrapper, win_msg);
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if(msg->orig_FreeData)
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msg->orig_FreeData(msg->lin_msg);
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}
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void CDECL win_Release(struct winSteamNetworkingMessage_t_144 *win_msg)
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{
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struct msg_wrapper *msg = CONTAINING_RECORD(win_msg, struct msg_wrapper, win_msg);
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msg->lin_msg->m_pfnRelease(msg->lin_msg);
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msg->lin_msg = NULL;
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EnterCriticalSection(&free_msgs_lock);
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SLIST_INSERT_HEAD(&free_msgs, msg, entry);
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LeaveCriticalSection(&free_msgs_lock);
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}
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void lin_FreeData(struct SteamNetworkingMessage_t *lin_msg)
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{
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struct msg_wrapper *msg = CONTAINING_RECORD(lin_msg, struct msg_wrapper, lin_msg);
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if(msg->win_msg.m_pfnFreeData)
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((void (*)(struct winSteamNetworkingMessage_t_144 *))msg->win_msg.m_pfnFreeData)(&msg->win_msg);
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}
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void win_to_lin_struct_SteamNetworkingMessage_t_144(struct winSteamNetworkingMessage_t_144 **w, struct SteamNetworkingMessage_t **l)
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{
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/* it's an output param, do nothing. */
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}
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void lin_to_win_struct_SteamNetworkingMessage_t_144(int n_messages, struct SteamNetworkingMessage_t **l, struct winSteamNetworkingMessage_t_144 **w)
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{
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int i;
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for(i = 0; i < n_messages; ++i)
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{
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struct msg_wrapper *msg;
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EnterCriticalSection(&free_msgs_lock);
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msg = SLIST_FIRST(&free_msgs);
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if(!msg){
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/* allocs can be pricey, so alloc in blocks */
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#define MSGS_PER_BLOCK 16
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struct msg_wrapper *msgs = (struct msg_wrapper *)HeapAlloc(GetProcessHeap(), 0, sizeof(struct msg_wrapper) * MSGS_PER_BLOCK);
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for(i = 1; i < MSGS_PER_BLOCK; ++i)
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SLIST_INSERT_HEAD(&free_msgs, &msg[i], entry);
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msg = &msgs[0];
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}else
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SLIST_REMOVE_HEAD(&free_msgs, entry);
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LeaveCriticalSection(&free_msgs_lock);
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msg->lin_msg = l[i];
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msg->orig_FreeData = msg->lin_msg->m_pfnFreeData;
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msg->lin_msg->m_pfnFreeData = lin_FreeData;
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msg->win_msg.m_pData = msg->lin_msg->m_pData;
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msg->win_msg.m_cbSize = msg->lin_msg->m_cbSize;
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msg->win_msg.m_conn = msg->lin_msg->m_conn;
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msg->win_msg.m_sender = msg->lin_msg->m_sender;
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msg->win_msg.m_nConnUserData = msg->lin_msg->m_nConnUserData;
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msg->win_msg.m_usecTimeReceived= msg->lin_msg->m_usecTimeReceived;
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msg->win_msg.m_nMessageNumber = msg->lin_msg->m_nMessageNumber;
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msg->win_msg.m_pfnFreeData = (void*)win_FreeData;
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msg->win_msg.m_pfnRelease = (void*)win_Release;
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msg->win_msg.m_nChannel = msg->lin_msg->m_nChannel;
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msg->win_msg.m___nPadDummy = msg->lin_msg->m___nPadDummy;
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w[i] = &msg->win_msg;
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}
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}
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}
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