X-Git-Url: https://jasonwoof.com/gitweb/?p=vor.git;a=blobdiff_plain;f=autopilot.c;fp=autopilot.c;h=789aff59f659e3862e5cb19c0cee772741d879fb;hp=0000000000000000000000000000000000000000;hb=0c92fe510799dde8568e4d787908704c35a0864c;hpb=adaa8776a400d807bc859d6669e282010fef3b10

diff --git a/autopilot.c b/autopilot.c
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+++ b/autopilot.c
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+//  Copyright (C) 2007 Jason Woofenden
+//
+//  This file is part of VoR.
+//
+//  VoR is free software; you can redistribute it and/or modify it
+//  under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2, or (at your option)
+//  any later version.
+//
+//  VoR is distributed in the hope that it will be useful, but
+//  WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+//  General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with VoR; see the file COPYING.  If not, write to the
+//  Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+//  MA 02111-1307, USA.
+
+
+// This file has code to generate SDL keypress events
+
+#include <stdlib.h>
+#include <SDL.h>
+#include "mt.h"
+
+// SETTINGS
+//
+// auto pilot waits a random amount of time between zero and this many 1/20ths of a second
+#define AUTOPILOT_MAX_DELAY 20.0
+
+#define NUM_KEYS 5
+SDLKey keysyms[NUM_KEYS] = { SDLK_SPACE, SDLK_LEFT, SDLK_RIGHT, SDLK_UP, SDLK_DOWN};
+int states[NUM_KEYS] =     { 0,          0,         0,          0,       0,       };
+
+float next_time;
+float delay;
+
+void
+autopilot_set_timer() {
+	delay = 0;
+	next_time = frnd() * AUTOPILOT_MAX_DELAY;
+}
+
+void
+autopilot_init() {
+	autopilot_set_timer();
+}
+	
+void
+autopilot_fix_keystates(Uint8* table) {
+	int i;
+	for(i = 0; i < NUM_KEYS; ++i) {
+		table[keysyms[i]] = states[i];
+	}
+}
+
+int
+autopilot_num_down() {
+	int i, num;
+	for(num = 0, i = 0; i < NUM_KEYS; ++i) {
+		if(states[i]) {
+			num++;
+		}
+	}
+
+	return num;
+}
+
+void
+autopilot_send_event() {
+	int down = autopilot_num_down();
+	int nth, i;
+	//SDL_Event event;
+
+	if(down && frnd() < 0.25 + (down / 4.0)) {
+		//event.type = SDL_KEYUP;
+		//event.key.state = 0;
+		nth = (urnd() % down) + 1;
+		for(i = 0; ; ++i) {
+			if(states[i]) {
+				--nth;
+			}
+			if(nth == 0) {
+				//event.key.keysym.sym = keysyms[i];
+				states[i] = 0;
+				break;
+			}
+		}
+	} else {
+		//event.type = SDL_KEYDOWN;
+		//event.key.state = 1;
+		nth = (urnd() % (NUM_KEYS - down)) + 1;
+		for(i = 0; ; ++i) {
+			if(!states[i]) {
+				--nth;
+			}
+			if(nth == 0) {
+				//event.key.keysym.sym = keysyms[i];
+				states[i] = 1;
+				break;
+			}
+		}
+	}
+
+	//fprintf(stderr, "push event: %i %i\n", event.key.keysym.sym, event.type);
+	//SDL_PushEvent(&event);
+}
+
+void
+autopilot(float ticks) {
+	delay += ticks;
+	if(delay > next_time) {
+		autopilot_set_timer();
+		autopilot_send_event();
+	}
+}