WebSVN – Games.Rick Dangerous – Blame – //src/sysevt.c

Rev	Author	Line No.	Line
1	pmbaty	1	/*
		2	* src/sysevt.c
		3	*
		4	* Copyright (C) 1998-2002 BigOrno (bigorno@bigorno.net). All rights reserved.
		5	*
		6	* The use and distribution terms for this software are contained in the file
		7	* named README, which can be found in the root of this distribution. By
		8	* using this software in any fashion, you are agreeing to be bound by the
		9	* terms of this license.
		10	*
		11	* You must not remove this notice, or any other, from this software.
		12	*/
		13
		14	#include <SDL.h>
		15
		16	#include "system.h"
		17	#include "game.h"
		18
		19	#include "control.h"
		20	#include "draw.h"
		21
		22	#define SYSJOY_RANGE 3280
		23
		24	static SDL_Event event;
		25	extern U8 want_filter;
		26	extern U8 want_fullscreen;
10	pmbaty	27	extern U8 enable_endkey;
7	pmbaty	28	extern U8 recreate_screen;
1	pmbaty	29
		30
		31	/*
		32	* Process an event
		33	*/
		34	static void processEvent (void)
		35	{
		36	static U8 alt_pressed = FALSE;
		37
7	pmbaty	38	U16 key = event.key.keysym.scancode;
1	pmbaty	39
		40	switch (event.type)
		41	{
		42	case SDL_KEYDOWN:
7	pmbaty	43	if (key == SDL_SCANCODE_LALT)
1	pmbaty	44	alt_pressed = TRUE;
7	pmbaty	45	else if (alt_pressed && key == SDL_SCANCODE_RETURN)
1	pmbaty	46	{
		47	want_fullscreen ^= TRUE;
7	pmbaty	48	recreate_screen = TRUE;
1	pmbaty	49	}
7	pmbaty	50	else if (alt_pressed && key == SDL_SCANCODE_F4)
1	pmbaty	51	{
		52	control_status \|= CONTROL_EXIT;
		53	control_last = CONTROL_EXIT;
		54	}
7	pmbaty	55	else if (key == SDL_SCANCODE_O \|\| key == SDL_SCANCODE_UP)
1	pmbaty	56	{
		57	control_status \|= CONTROL_UP;
		58	control_last = CONTROL_UP;
		59	}
7	pmbaty	60	else if (key == SDL_SCANCODE_K \|\| key == SDL_SCANCODE_DOWN)
1	pmbaty	61	{
		62	control_status \|= CONTROL_DOWN;
		63	control_last = CONTROL_DOWN;
		64	}
7	pmbaty	65	else if (key == SDL_SCANCODE_Z \|\| key == SDL_SCANCODE_LEFT)
1	pmbaty	66	{
		67	control_status \|= CONTROL_LEFT;
		68	control_last = CONTROL_LEFT;
		69	}
7	pmbaty	70	else if (key == SDL_SCANCODE_X \|\| key == SDL_SCANCODE_RIGHT)
1	pmbaty	71	{
		72	control_status \|= CONTROL_RIGHT;
		73	control_last = CONTROL_RIGHT;
		74	}
10	pmbaty	75	else if ((key == SDL_SCANCODE_PAUSE) \|\| (key == SDL_SCANCODE_P))
1	pmbaty	76	{
		77	control_status \|= CONTROL_PAUSE;
		78	control_last = CONTROL_PAUSE;
		79	}
10	pmbaty	80	else if ((key == SDL_SCANCODE_END) && enable_endkey)
1	pmbaty	81	{
		82	control_status \|= CONTROL_END;
		83	control_last = CONTROL_END;
		84	}
7	pmbaty	85	else if (key == SDL_SCANCODE_ESCAPE)
1	pmbaty	86	{
		87	control_status \|= CONTROL_EXIT;
		88	control_last = CONTROL_EXIT;
		89	}
7	pmbaty	90	else if (key == SDL_SCANCODE_SPACE)
1	pmbaty	91	{
		92	control_status \|= CONTROL_FIRE;
		93	control_last = CONTROL_FIRE;
		94	}
7	pmbaty	95	else if (key == SDL_SCANCODE_F4)
1	pmbaty	96	syssnd_toggleMute();
7	pmbaty	97	else if (key == SDL_SCANCODE_F5)
1	pmbaty	98	syssnd_vol(-1);
7	pmbaty	99	else if (key == SDL_SCANCODE_F6)
1	pmbaty	100	syssnd_vol(+1);
7	pmbaty	101	else if (key == SDL_SCANCODE_F7)
1	pmbaty	102	want_filter ^= TRUE;
7	pmbaty	103	else if (key == SDL_SCANCODE_F10)
1	pmbaty	104	{
		105	control_status &= ~CONTROL_EXIT;
		106	control_last = CONTROL_EXIT;
		107	}
		108	break;
		109	case SDL_KEYUP:
7	pmbaty	110	if (key == SDL_SCANCODE_LALT)
1	pmbaty	111	alt_pressed = FALSE;
7	pmbaty	112	else if (key == SDL_SCANCODE_O \|\| key == SDL_SCANCODE_UP)
1	pmbaty	113	{
		114	control_status &= ~CONTROL_UP;
		115	control_last = CONTROL_UP;
		116	}
7	pmbaty	117	else if (key == SDL_SCANCODE_K \|\| key == SDL_SCANCODE_DOWN)
1	pmbaty	118	{
		119	control_status &= ~CONTROL_DOWN;
		120	control_last = CONTROL_DOWN;
		121	}
7	pmbaty	122	else if (key == SDL_SCANCODE_Z \|\| key == SDL_SCANCODE_LEFT)
1	pmbaty	123	{
		124	control_status &= ~CONTROL_LEFT;
		125	control_last = CONTROL_LEFT;
		126	}
7	pmbaty	127	else if (key == SDL_SCANCODE_X \|\| key == SDL_SCANCODE_RIGHT)
1	pmbaty	128	{
		129	control_status &= ~CONTROL_RIGHT;
		130	control_last = CONTROL_RIGHT;
		131	}
10	pmbaty	132	else if ((key == SDL_SCANCODE_PAUSE) \|\| (key == SDL_SCANCODE_P))
1	pmbaty	133	{
		134	control_status &= ~CONTROL_PAUSE;
		135	control_last = CONTROL_PAUSE;
		136	}
10	pmbaty	137	else if ((key == SDL_SCANCODE_END) && enable_endkey)
1	pmbaty	138	{
		139	control_status &= ~CONTROL_END;
		140	control_last = CONTROL_END;
		141	}
7	pmbaty	142	else if (key == SDL_SCANCODE_ESCAPE)
1	pmbaty	143	{
		144	control_status &= ~CONTROL_EXIT;
		145	control_last = CONTROL_EXIT;
		146	}
7	pmbaty	147	else if (key == SDL_SCANCODE_SPACE)
1	pmbaty	148	{
		149	control_status &= ~CONTROL_FIRE;
		150	control_last = CONTROL_FIRE;
		151	}
		152	break;
		153	case SDL_QUIT:
		154	/* player tries to close the window -- this is the same as pressing ESC */
		155	control_status \|= CONTROL_EXIT;
		156	control_last = CONTROL_EXIT;
		157	break;
		158	case SDL_JOYAXISMOTION:
		159	if (event.jaxis.axis == 0)
		160	{
		161	/* left-right */
		162	if (event.jaxis.value < -SYSJOY_RANGE)
		163	{ /* left */
		164	control_status \|= CONTROL_LEFT;
		165	control_status &= ~CONTROL_RIGHT;
		166	}
		167	else if (event.jaxis.value > SYSJOY_RANGE)
		168	{ /* right */
		169	control_status \|= CONTROL_RIGHT;
		170	control_status &= ~CONTROL_LEFT;
		171	}
		172	else
		173	{ /* center */
		174	control_status &= ~CONTROL_RIGHT;
		175	control_status &= ~CONTROL_LEFT;
		176	}
		177	}
		178	if (event.jaxis.axis == 1)
		179	{
		180	/* up-down */
		181	if (event.jaxis.value < -SYSJOY_RANGE)
		182	{ /* up */
		183	control_status \|= CONTROL_UP;
		184	control_status &= ~CONTROL_DOWN;
		185	}
		186	else if (event.jaxis.value > SYSJOY_RANGE)
		187	{ /* down */
		188	control_status \|= CONTROL_DOWN;
		189	control_status &= ~CONTROL_UP;
		190	}
		191	else
		192	{ /* center */
		193	control_status &= ~CONTROL_DOWN;
		194	control_status &= ~CONTROL_UP;
		195	}
		196	}
		197	break;
		198	case SDL_JOYBUTTONDOWN:
		199	control_status \|= CONTROL_FIRE;
		200	break;
		201	case SDL_JOYBUTTONUP:
		202	control_status &= ~CONTROL_FIRE;
		203	break;
		204	default:
		205	break;
		206	}
		207	}
		208
		209
		210	/*
		211	* Process events, if any, then return
		212	*/
		213	void sysevt_poll (void)
		214	{
		215	while (SDL_PollEvent (&event))
		216	processEvent ();
		217	}
		218
		219
		220	/*
		221	* Wait for an event, then process it and return
		222	*/
		223	void sysevt_wait (void)
		224	{
		225	SDL_WaitEvent (&event);
		226	processEvent ();
		227	}

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Games.Rick Dangerous//src/sysevt.c – Rev 10