90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
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internal void
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InitializeInputCommandRegistry (input_command_registry* CommandRegistry,
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s32 Size,
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memory_arena* Storage)
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{
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CommandRegistry->Commands = PushArray(Storage, input_command, Size);
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CommandRegistry->Size = Size;
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CommandRegistry->Used = 0;
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}
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internal input_command*
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FindExistingCommand (input_command_registry* CommandRegistry, key_code Key, key_code Mdfr)
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{
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input_command* Result = 0;
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for (s32 Cmd = 0; Cmd < CommandRegistry->Used; Cmd++)
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{
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input_command* Command = CommandRegistry->Commands + Cmd;
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if (Command->Key == Key && Command->Mdfr == Mdfr)
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{
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Result = Command;
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break;
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}
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}
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return Result;
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}
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internal void
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RegisterKeyPressCommand (input_command_registry* CommandRegistry,
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key_code Key,
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b32 Held,
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key_code Mdfr,
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input_command_proc* Proc)
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{
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input_command* Command = FindExistingCommand(CommandRegistry, Key, Mdfr);
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if (!Command)
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{
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Assert(CommandRegistry->Size > CommandRegistry->Used);
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Assert(Mdfr == KeyCode_Invalid || Mdfr == KeyCode_LeftShift || Mdfr == KeyCode_RightShift ||
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Mdfr == KeyCode_LeftCtrl || Mdfr == KeyCode_RightCtrl || Mdfr == KeyCode_Alt);
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Command = CommandRegistry->Commands + CommandRegistry->Used++;
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}
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Command->Key = Key;
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Command->Held = Held;
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Command->Mdfr = Mdfr;
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Command->Proc = Proc;
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}
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internal void
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RegisterMouseWheelCommand (input_command_registry* CommandRegistry,
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input_command_proc* Proc)
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{
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CommandRegistry->MouseWheelCommand = Proc;
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}
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internal void
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ExecuteAllRegisteredCommands (input_command_registry* CommandRegistry,
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input Input,
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app_state* State)
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{
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if (Input.New->MouseScroll != 0)
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{
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CommandRegistry->MouseWheelCommand(State, Input);
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}
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for (s32 i = 0; i < CommandRegistry->Used; i++)
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{
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input_command Command = CommandRegistry->Commands[i];
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if (Command.Held)
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{
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if (KeyDown(Input, Command.Key) &&
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(Command.Mdfr == KeyCode_Invalid || KeyDown(Input, Command.Mdfr)))
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{
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Command.Proc(State, Input);
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}
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}
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else
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{
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if (KeyTransitionedDown(Input, Command.Key) &&
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(Command.Mdfr == KeyCode_Invalid || KeyDown(Input, Command.Mdfr)))
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{
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Command.Proc(State, Input);
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}
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}
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}
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}
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