7d1e6f7d57
Add absent prototypes to some core routines. Also add some port function() to function(void) in some win32 routines. Also updates the Borland C Makefile for win32.
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
/* Copyright (C) 2001 by Alex Kompel <shurikk@pacbell.net> */
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/* NetHack may be freely redistributed. See license for details. */
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#include <assert.h>
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#include "winMS.h"
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#include "mhinput.h"
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/* nethack input queue functions */
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#define NH_INPUT_BUFFER_SIZE 64
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/* as it stands right now we need only one slot
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since events are processed almost the same time as
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they occur but I like large round numbers */
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static MSNHEvent nhi_input_buffer[NH_INPUT_BUFFER_SIZE];
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static int nhi_init_input = 0;
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static int nhi_read_pos = 0;
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static int nhi_write_pos = 0;
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/* initialize input queue */
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void mswin_nh_input_init(void)
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{
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if( !nhi_init_input ) {
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nhi_init_input = 1;
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ZeroMemory( nhi_input_buffer, sizeof(nhi_input_buffer) );
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nhi_read_pos = 0;
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nhi_write_pos = 0;
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}
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}
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/* check for input */
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int mswin_have_input()
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{
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return (nhi_read_pos!=nhi_write_pos);
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}
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/* add event to the queue */
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void mswin_input_push(PMSNHEvent event)
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{
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int new_write_pos;
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if( !nhi_init_input ) mswin_nh_input_init();
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new_write_pos = (nhi_write_pos+1) % NH_INPUT_BUFFER_SIZE;
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if(new_write_pos!=nhi_read_pos) {
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memcpy(nhi_input_buffer+nhi_write_pos, event, sizeof(*event));
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nhi_write_pos = new_write_pos;
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}
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}
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/* get event from the queue and delete it */
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PMSNHEvent mswin_input_pop()
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{
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PMSNHEvent retval;
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if( !nhi_init_input ) mswin_nh_input_init();
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if( nhi_read_pos!=nhi_write_pos ) {
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retval = &nhi_input_buffer[nhi_read_pos];
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nhi_read_pos = (nhi_read_pos+1) % NH_INPUT_BUFFER_SIZE;
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} else {
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retval = NULL;
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}
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return retval;
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}
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/* get event from the queue but leave it there */
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PMSNHEvent mswin_input_peek()
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{
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PMSNHEvent retval;
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if( !nhi_init_input ) mswin_nh_input_init();
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if( nhi_read_pos!=nhi_write_pos ) {
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retval = &nhi_input_buffer[nhi_read_pos];
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} else {
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retval = NULL;
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}
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return retval;
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} |