Port of Duke Nukem 3D

This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL for Rockbox. Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9
2025-11-12 06:32:34 -05:00 · 2017-01-21 15:18:31 -05:00 · 2017-01-21 15:18:31 -05:00 · a855d62025
commit a855d62025
parent 01c6dcf6c7
994 changed files with 336924 additions and 15 deletions
--- a/apps/plugins/sdl/SDL_mixer/playmus.c
+++ b/apps/plugins/sdl/SDL_mixer/playmus.c
@ -0,0 +1,234 @@
+/*
+  PLAYMUS:  A test application for the SDL mixer library.
+  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/* $Id$ */
+
+#ifdef unix
+#include <unistd.h>
+#endif
+
+#include "SDL.h"
+#include "SDL_mixer.h"
+
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+
+
+static int audio_open = 0;
+static Mix_Music *music = NULL;
+static int next_track = 0;
+
+void CleanUp(int exitcode)
+{
+	if( Mix_PlayingMusic() ) {
+		Mix_FadeOutMusic(1500);
+		SDL_Delay(1500);
+	}
+	if ( music ) {
+		Mix_FreeMusic(music);
+		music = NULL;
+	}
+	if ( audio_open ) {
+		Mix_CloseAudio();
+		audio_open = 0;
+	}
+	SDL_Quit();
+	exit(exitcode);
+}
+
+void Usage(char *argv0)
+{
+	fprintf(stderr, "Usage: %s [-i] [-l] [-8] [-r rate] [-c channels] [-b buffers] [-v N] [-rwops] <musicfile>\n", argv0);
+}
+
+void Menu(void)
+{
+	char buf[10];
+
+	printf("Available commands: (p)ause (r)esume (h)alt volume(v#) > ");
+	if (scanf("%s",buf) == 1) {
+		switch(buf[0]){
+		case 'p': case 'P':
+			Mix_PauseMusic();
+			break;
+		case 'r': case 'R':
+			Mix_ResumeMusic();
+			break;
+		case 'h': case 'H':
+			Mix_HaltMusic();
+			break;
+		case 'v': case 'V':
+			Mix_VolumeMusic(atoi(buf+1));
+			break;
+		}
+	}
+	printf("Music playing: %s Paused: %s\n", Mix_PlayingMusic() ? "yes" : "no", 
+		   Mix_PausedMusic() ? "yes" : "no");
+}
+
+#ifdef HAVE_SIGNAL_H
+
+void IntHandler(int sig)
+{
+	switch (sig) {
+	        case SIGINT:
+			next_track++;
+			break;
+	}
+}
+
+#endif
+
+int main(int argc, char *argv[])
+{
+	SDL_RWops *rwfp = NULL;
+	int audio_rate;
+	Uint16 audio_format;
+	int audio_channels;
+	int audio_buffers;
+	int audio_volume = MIX_MAX_VOLUME;
+	int looping = 0;
+	int interactive = 0;
+	int rwops = 0;
+	int i;
+
+	/* Initialize variables */
+	audio_rate = 22050;
+	audio_format = AUDIO_S16;
+	audio_channels = 2;
+	audio_buffers = 4096;
+
+	/* Check command line usage */
+	for ( i=1; argv[i] && (*argv[i] == '-'); ++i ) {
+		if ( (strcmp(argv[i], "-r") == 0) && argv[i+1] ) {
+			++i;
+			audio_rate = atoi(argv[i]);
+		} else
+		if ( strcmp(argv[i], "-m") == 0 ) {
+			audio_channels = 1;
+		} else
+		if ( (strcmp(argv[i], "-c") == 0) && argv[i+1] ) {
+			++i;
+			audio_channels = atoi(argv[i]);
+		} else
+		if ( (strcmp(argv[i], "-b") == 0) && argv[i+1] ) {
+			++i;
+			audio_buffers = atoi(argv[i]);
+		} else
+		if ( (strcmp(argv[i], "-v") == 0) && argv[i+1] ) {
+			++i;
+			audio_volume = atoi(argv[i]);
+		} else
+		if ( strcmp(argv[i], "-l") == 0 ) {
+			looping = -1;
+		} else
+		if ( strcmp(argv[i], "-i") == 0 ) {
+			interactive = 1;
+		} else
+		if ( strcmp(argv[i], "-8") == 0 ) {
+			audio_format = AUDIO_U8;
+		} else
+		if ( strcmp(argv[i], "-rwops") == 0 ) {
+			rwops = 1;
+		} else {
+			Usage(argv[0]);
+			return(1);
+		}
+	}
+	if ( ! argv[i] ) {
+		Usage(argv[0]);
+		return(1);
+	}
+
+	/* Initialize the SDL library */
+	if ( SDL_Init(SDL_INIT_AUDIO) < 0 ) {
+		fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
+		return(255);
+	}
+
+#ifdef HAVE_SIGNAL_H
+	signal(SIGINT, IntHandler);
+	signal(SIGTERM, CleanUp);
+#endif
+
+	/* Open the audio device */
+	if (Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_buffers) < 0) {
+		fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
+		return(2);
+	} else {
+		Mix_QuerySpec(&audio_rate, &audio_format, &audio_channels);
+		printf("Opened audio at %d Hz %d bit %s (%s), %d bytes audio buffer\n", audio_rate,
+			(audio_format&0xFF),
+			(audio_channels > 2) ? "surround" : (audio_channels > 1) ? "stereo" : "mono", 
+			(audio_format&0x1000) ? "BE" : "LE",
+			audio_buffers );
+	}
+	audio_open = 1;
+
+	/* Set the music volume */
+	Mix_VolumeMusic(audio_volume);
+
+	/* Set the external music player, if any */
+	Mix_SetMusicCMD(SDL_getenv("MUSIC_CMD"));
+
+	while (argv[i]) {
+		next_track = 0;
+		
+		/* Load the requested music file */
+		if ( rwops ) {
+			rwfp = SDL_RWFromFile(argv[i], "rb");
+			music = Mix_LoadMUS_RW(rwfp);
+		} else {
+			music = Mix_LoadMUS(argv[i]);
+		}
+		if ( music == NULL ) {
+			fprintf(stderr, "Couldn't load %s: %s\n",
+				argv[i], SDL_GetError());
+			CleanUp(2);
+		}
+		
+		/* Play and then exit */
+		printf("Playing %s\n", argv[i]);
+		Mix_FadeInMusic(music,looping,2000);
+		while ( !next_track && (Mix_PlayingMusic() || Mix_PausedMusic()) ) {
+			if(interactive)
+				Menu();
+			else
+				SDL_Delay(100);
+		}
+		Mix_FreeMusic(music);
+		if ( rwops ) {
+			SDL_RWclose(rwfp);
+		}
+		music = NULL;
+
+		/* If the user presses Ctrl-C more than once, exit. */
+		SDL_Delay(500);
+		if ( next_track > 1 ) break;
+		
+		i++;
+	}
+	CleanUp(0);
+
+	/* Not reached, but fixes compiler warnings */
+	return 0;
+}