1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "main.h"
  7
  8#ifdef USE_CLI_DEBUGGER
  9#include "debugger/cli-debugger.h"
 10#endif
 11
 12#ifdef USE_GDB_STUB
 13#include "debugger/gdb-stub.h"
 14#endif
 15
 16#include "core/core.h"
 17#include "core/config.h"
 18#include "core/input.h"
 19#include "core/thread.h"
 20#include "gba/input.h"
 21#ifdef M_CORE_GBA
 22#include "gba/core.h"
 23#include "gba/gba.h"
 24#include "gba/video.h"
 25#endif
 26#ifdef M_CORE_GB
 27#include "gb/core.h"
 28#include "gb/gb.h"
 29#include "gb/video.h"
 30#endif
 31#include "platform/commandline.h"
 32#include "util/configuration.h"
 33#include "util/vfs.h"
 34
 35#include <SDL.h>
 36
 37#include <errno.h>
 38#include <signal.h>
 39#include <sys/time.h>
 40
 41#define PORT "sdl"
 42
 43static bool mSDLInit(struct mSDLRenderer* renderer);
 44static void mSDLDeinit(struct mSDLRenderer* renderer);
 45
 46static int mSDLRun(struct mSDLRenderer* renderer, struct mArguments* args);
 47
 48int main(int argc, char** argv) {
 49	struct mSDLRenderer renderer = {};
 50
 51	struct mCoreOptions opts = {
 52		.useBios = true,
 53		.rewindEnable = true,
 54		.audioBuffers = 512,
 55		.videoSync = false,
 56		.audioSync = true,
 57	};
 58
 59	struct mArguments args;
 60	struct mGraphicsOpts graphicsOpts;
 61
 62	struct mSubParser subparser;
 63
 64	initParserForGraphics(&subparser, &graphicsOpts);
 65	bool parsed = parseArguments(&args, argc, argv, &subparser);
 66	if (!parsed || args.showHelp) {
 67		usage(argv[0], subparser.usage);
 68		freeArguments(&args);
 69		return !parsed;
 70	}
 71	if (args.showVersion) {
 72		version(argv[0]);
 73		freeArguments(&args);
 74		return 0;
 75	}
 76
 77	if (args.fname) {
 78		renderer.core = mCoreFind(args.fname);
 79		if (!renderer.core) {
 80			printf("Could not run game. Are you sure the file exists and is a compatible game?\n");
 81			freeArguments(&args);
 82			return 1;
 83		}
 84		renderer.core->desiredVideoDimensions(renderer.core, &renderer.width, &renderer.height);
 85#ifdef BUILD_GL
 86		mSDLGLCreate(&renderer);
 87#elif defined(BUILD_GLES2) || defined(USE_EPOXY)
 88		mSDLGLES2Create(&renderer);
 89#else
 90		mSDLSWCreate(&renderer);
 91#endif
 92	}
 93
 94	renderer.ratio = graphicsOpts.multiplier;
 95	if (renderer.ratio == 0) {
 96		renderer.ratio = 1;
 97	}
 98	opts.width = renderer.width * renderer.ratio;
 99	opts.height = renderer.height * renderer.ratio;
100
101	if (!renderer.core->init(renderer.core)) {
102		freeArguments(&args);
103		return 1;
104	}
105
106	mInputMapInit(&renderer.core->inputMap, &GBAInputInfo);
107	mCoreInitConfig(renderer.core, PORT);
108	applyArguments(&args, &subparser, &renderer.core->config);
109
110	mCoreConfigLoadDefaults(&renderer.core->config, &opts);
111	mCoreLoadConfig(renderer.core);
112
113	renderer.viewportWidth = renderer.core->opts.width;
114	renderer.viewportHeight = renderer.core->opts.height;
115#if SDL_VERSION_ATLEAST(2, 0, 0)
116	renderer.player.fullscreen = renderer.core->opts.fullscreen;
117	renderer.player.windowUpdated = 0;
118#else
119	renderer.fullscreen = renderer.core->opts.fullscreen;
120#endif
121
122	renderer.lockAspectRatio = renderer.core->opts.lockAspectRatio;
123	renderer.filter = renderer.core->opts.resampleVideo;
124
125	if (!mSDLInit(&renderer)) {
126		freeArguments(&args);
127		renderer.core->deinit(renderer.core);
128		return 1;
129	}
130
131	renderer.player.bindings = &renderer.core->inputMap;
132	mSDLInitBindingsGBA(&renderer.core->inputMap);
133	mSDLInitEvents(&renderer.events);
134	mSDLEventsLoadConfig(&renderer.events, mCoreConfigGetInput(&renderer.core->config));
135	mSDLAttachPlayer(&renderer.events, &renderer.player);
136	mSDLPlayerLoadConfig(&renderer.player, mCoreConfigGetInput(&renderer.core->config));
137
138	int ret;
139
140	// TODO: Use opts and config
141	ret = mSDLRun(&renderer, &args);
142	mSDLDetachPlayer(&renderer.events, &renderer.player);
143	mInputMapDeinit(&renderer.core->inputMap);
144
145	mSDLDeinit(&renderer);
146
147	freeArguments(&args);
148	mCoreConfigFreeOpts(&opts);
149	mCoreConfigDeinit(&renderer.core->config);
150
151	return ret;
152}
153
154int mSDLRun(struct mSDLRenderer* renderer, struct mArguments* args) {
155	struct mCoreThread thread = {
156		.core = renderer->core
157	};
158	if (!mCoreLoadFile(renderer->core, args->fname)) {
159		return 1;
160	}
161	mCoreAutoloadSave(renderer->core);
162	// TODO: Put back debugger
163
164	if (args->patch) {
165		struct VFile* patch = VFileOpen(args->patch, O_RDONLY);
166		if (patch) {
167			renderer->core->loadPatch(renderer->core, patch);
168		}
169	} else {
170		mCoreAutoloadPatch(renderer->core);
171	}
172
173	renderer->audio.samples = renderer->core->opts.audioBuffers;
174	renderer->audio.sampleRate = 44100;
175
176	bool didFail = !mSDLInitAudio(&renderer->audio, &thread);
177	if (!didFail) {
178#if SDL_VERSION_ATLEAST(2, 0, 0)
179		mSDLSetScreensaverSuspendable(&renderer->events, renderer->core->opts.suspendScreensaver);
180		mSDLSuspendScreensaver(&renderer->events);
181#endif
182		if (mCoreThreadStart(&thread)) {
183			renderer->runloop(renderer, &thread);
184			mCoreThreadJoin(&thread);
185		} else {
186			didFail = true;
187			printf("Could not run game. Are you sure the file exists and is a compatible game?\n");
188		}
189
190#if SDL_VERSION_ATLEAST(2, 0, 0)
191		mSDLResumeScreensaver(&renderer->events);
192		mSDLSetScreensaverSuspendable(&renderer->events, false);
193#endif
194
195		if (mCoreThreadHasCrashed(&thread)) {
196			didFail = true;
197			printf("The game crashed!\n");
198		}
199	}
200	renderer->core->unloadROM(renderer->core);
201	return didFail;
202}
203
204static bool mSDLInit(struct mSDLRenderer* renderer) {
205	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
206		printf("Could not initialize video: %s\n", SDL_GetError());
207		return false;
208	}
209
210	return renderer->init(renderer);
211}
212
213static void mSDLDeinit(struct mSDLRenderer* renderer) {
214	mSDLDeinitEvents(&renderer->events);
215	mSDLDeinitAudio(&renderer->audio);
216#if SDL_VERSION_ATLEAST(2, 0, 0)
217	SDL_DestroyWindow(renderer->window);
218#endif
219
220	renderer->deinit(renderer);
221
222	SDL_Quit();
223}