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 "feature/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		.volume = 0x100,
 58	};
 59
 60	struct mArguments args;
 61	struct mGraphicsOpts graphicsOpts;
 62
 63	struct mSubParser subparser;
 64
 65	initParserForGraphics(&subparser, &graphicsOpts);
 66	bool parsed = parseArguments(&args, argc, argv, &subparser);
 67	if (!parsed || args.showHelp) {
 68		usage(argv[0], subparser.usage);
 69		freeArguments(&args);
 70		return !parsed;
 71	}
 72	if (args.showVersion) {
 73		version(argv[0]);
 74		freeArguments(&args);
 75		return 0;
 76	}
 77
 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	renderer.ratio = graphicsOpts.multiplier;
 94	if (renderer.ratio == 0) {
 95		renderer.ratio = 1;
 96	}
 97	opts.width = renderer.width * renderer.ratio;
 98	opts.height = renderer.height * renderer.ratio;
 99
100	if (!renderer.core->init(renderer.core)) {
101		freeArguments(&args);
102		return 1;
103	}
104
105	mInputMapInit(&renderer.core->inputMap, &GBAInputInfo);
106	mCoreInitConfig(renderer.core, PORT);
107	applyArguments(&args, &subparser, &renderer.core->config);
108
109	mCoreConfigLoadDefaults(&renderer.core->config, &opts);
110	mCoreLoadConfig(renderer.core);
111
112	renderer.viewportWidth = renderer.core->opts.width;
113	renderer.viewportHeight = renderer.core->opts.height;
114#if SDL_VERSION_ATLEAST(2, 0, 0)
115	renderer.player.fullscreen = renderer.core->opts.fullscreen;
116	renderer.player.windowUpdated = 0;
117#else
118	renderer.fullscreen = renderer.core->opts.fullscreen;
119#endif
120
121	renderer.lockAspectRatio = renderer.core->opts.lockAspectRatio;
122	renderer.filter = renderer.core->opts.resampleVideo;
123
124	if (!mSDLInit(&renderer)) {
125		freeArguments(&args);
126		renderer.core->deinit(renderer.core);
127		return 1;
128	}
129
130	renderer.player.bindings = &renderer.core->inputMap;
131	mSDLInitBindingsGBA(&renderer.core->inputMap);
132	mSDLInitEvents(&renderer.events);
133	mSDLEventsLoadConfig(&renderer.events, mCoreConfigGetInput(&renderer.core->config));
134	mSDLAttachPlayer(&renderer.events, &renderer.player);
135	mSDLPlayerLoadConfig(&renderer.player, mCoreConfigGetInput(&renderer.core->config));
136
137	int ret;
138
139	// TODO: Use opts and config
140	ret = mSDLRun(&renderer, &args);
141	mSDLDetachPlayer(&renderer.events, &renderer.player);
142	mInputMapDeinit(&renderer.core->inputMap);
143
144	mSDLDeinit(&renderer);
145
146	freeArguments(&args);
147	mCoreConfigFreeOpts(&opts);
148	mCoreConfigDeinit(&renderer.core->config);
149	renderer.core->deinit(renderer.core);
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	struct mDebugger* debugger = mDebuggerCreate(args->debuggerType, renderer->core);
163	if (debugger) {
164		mDebuggerAttach(debugger, renderer->core);
165		mDebuggerEnter(debugger, DEBUGGER_ENTER_MANUAL, NULL);
166	}
167
168	if (args->patch) {
169		struct VFile* patch = VFileOpen(args->patch, O_RDONLY);
170		if (patch) {
171			renderer->core->loadPatch(renderer->core, patch);
172		}
173	} else {
174		mCoreAutoloadPatch(renderer->core);
175	}
176
177	renderer->audio.samples = renderer->core->opts.audioBuffers;
178	renderer->audio.sampleRate = 44100;
179
180	bool didFail = !mSDLInitAudio(&renderer->audio, &thread);
181	if (!didFail) {
182#if SDL_VERSION_ATLEAST(2, 0, 0)
183		mSDLSetScreensaverSuspendable(&renderer->events, renderer->core->opts.suspendScreensaver);
184		mSDLSuspendScreensaver(&renderer->events);
185#endif
186		if (mCoreThreadStart(&thread)) {
187			renderer->runloop(renderer, &thread);
188			mCoreThreadJoin(&thread);
189		} else {
190			didFail = true;
191			printf("Could not run game. Are you sure the file exists and is a compatible game?\n");
192		}
193
194#if SDL_VERSION_ATLEAST(2, 0, 0)
195		mSDLResumeScreensaver(&renderer->events);
196		mSDLSetScreensaverSuspendable(&renderer->events, false);
197#endif
198
199		if (mCoreThreadHasCrashed(&thread)) {
200			didFail = true;
201			printf("The game crashed!\n");
202		}
203	}
204	renderer->core->unloadROM(renderer->core);
205	return didFail;
206}
207
208static bool mSDLInit(struct mSDLRenderer* renderer) {
209	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
210		printf("Could not initialize video: %s\n", SDL_GetError());
211		return false;
212	}
213
214	return renderer->init(renderer);
215}
216
217static void mSDLDeinit(struct mSDLRenderer* renderer) {
218	mSDLDeinitEvents(&renderer->events);
219	mSDLDeinitAudio(&renderer->audio);
220#if SDL_VERSION_ATLEAST(2, 0, 0)
221	SDL_DestroyWindow(renderer->window);
222#endif
223
224	renderer->deinit(renderer);
225
226	SDL_Quit();
227}