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| client_server_detection [2019/09/05 23:45] – [How it works] korshun | client_server_detection [2019/09/05 23:46] – [How it works] korshun |
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| ''IsClient()'' simply checks if [[zdoom>ConsolePlayerNumber]] is not negative. | ''IsClient()'' simply checks if [[zdoom>ConsolePlayerNumber]] is not negative. |
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| ''IsServer()'' is more complicated. It returns true if [[zdoom>ConsolePlayerNumber]] is negative. But if it's not negative, it needs to distinguish between multiplayer emulation and real multiplayer. The function needs to return true in multiplayer emulation but false in real multiplayer. | ''IsServer()'' is more complicated. It returns true if [[zdoom>ConsolePlayerNumber]] is negative. But if it's not negative, it needs to distinguish between multiplayer emulation and real multiplayer. It checks if the multiplayer is real using [[zan>IsNetworkGame]]. But calling this function in ZDoom/GZDoom crashes the engine. Therefore, before calling ''IsNetworkGame'', it checks if the engine is Zandronum using [[source_port_detection|IsZandronum]]. |
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| It checks if the multiplayer is real using [[zan>IsNetworkGame]]. But calling this function in ZDoom/GZDoom crashes the engine. Therefore, before calling ''IsNetworkGame'', it checks if the engine is Zandronum using [[source_port_detection|IsZandronum]]. | |
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| If the engine is not Zandronum, the function returns true, because in ZDoom/GZDoom all players run gameplay code. | If the engine is not Zandronum, the function returns true, because in ZDoom/GZDoom all players run gameplay code. |
