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 (!args.fname) {
 68		parsed = false;
 69	}
 70	if (!parsed || args.showHelp) {
 71		usage(argv[0], subparser.usage);
 72		freeArguments(&args);
 73		return !parsed;
 74	}
 75	if (args.showVersion) {
 76		version(argv[0]);
 77		freeArguments(&args);
 78		return 0;
 79	}
 80
 81	renderer.core = mCoreFind(args.fname);
 82	if (!renderer.core) {
 83		printf("Could not run game. Are you sure the file exists and is a compatible game?\n");
 84		freeArguments(&args);
 85		return 1;
 86	}
 87	renderer.core->desiredVideoDimensions(renderer.core, &renderer.width, &renderer.height);
 88#ifdef BUILD_GL
 89	mSDLGLCreate(&renderer);
 90#elif defined(BUILD_GLES2) || defined(USE_EPOXY)
 91	mSDLGLES2Create(&renderer);
 92#else
 93	mSDLSWCreate(&renderer);
 94#endif
 95
 96	renderer.ratio = graphicsOpts.multiplier;
 97	if (renderer.ratio == 0) {
 98		renderer.ratio = 1;
 99	}
100	opts.width = renderer.width * renderer.ratio;
101	opts.height = renderer.height * renderer.ratio;
102
103	if (!renderer.core->init(renderer.core)) {
104		freeArguments(&args);
105		return 1;
106	}
107
108	mInputMapInit(&renderer.core->inputMap, &GBAInputInfo);
109	mCoreInitConfig(renderer.core, PORT);
110	applyArguments(&args, &subparser, &renderer.core->config);
111
112	mCoreConfigLoadDefaults(&renderer.core->config, &opts);
113	mCoreLoadConfig(renderer.core);
114
115	renderer.viewportWidth = renderer.core->opts.width;
116	renderer.viewportHeight = renderer.core->opts.height;
117#if SDL_VERSION_ATLEAST(2, 0, 0)
118	renderer.player.fullscreen = renderer.core->opts.fullscreen;
119	renderer.player.windowUpdated = 0;
120#else
121	renderer.fullscreen = renderer.core->opts.fullscreen;
122#endif
123
124	renderer.lockAspectRatio = renderer.core->opts.lockAspectRatio;
125	renderer.filter = renderer.core->opts.resampleVideo;
126
127	if (!mSDLInit(&renderer)) {
128		freeArguments(&args);
129		renderer.core->deinit(renderer.core);
130		return 1;
131	}
132
133	renderer.player.bindings = &renderer.core->inputMap;
134	mSDLInitBindingsGBA(&renderer.core->inputMap);
135	mSDLInitEvents(&renderer.events);
136	mSDLEventsLoadConfig(&renderer.events, mCoreConfigGetInput(&renderer.core->config));
137	mSDLAttachPlayer(&renderer.events, &renderer.player);
138	mSDLPlayerLoadConfig(&renderer.player, mCoreConfigGetInput(&renderer.core->config));
139
140	int ret;
141
142	// TODO: Use opts and config
143	ret = mSDLRun(&renderer, &args);
144	mSDLDetachPlayer(&renderer.events, &renderer.player);
145	mInputMapDeinit(&renderer.core->inputMap);
146
147	mSDLDeinit(&renderer);
148
149	freeArguments(&args);
150	mCoreConfigFreeOpts(&opts);
151	mCoreConfigDeinit(&renderer.core->config);
152	renderer.core->deinit(renderer.core);
153
154	return ret;
155}
156
157int mSDLRun(struct mSDLRenderer* renderer, struct mArguments* args) {
158	struct mCoreThread thread = {
159		.core = renderer->core
160	};
161	if (!mCoreLoadFile(renderer->core, args->fname)) {
162		return 1;
163	}
164	mCoreAutoloadSave(renderer->core);
165	struct mDebugger* debugger = mDebuggerCreate(args->debuggerType, renderer->core);
166	if (debugger) {
167		mDebuggerAttach(debugger, renderer->core);
168		mDebuggerEnter(debugger, DEBUGGER_ENTER_MANUAL, NULL);
169	}
170
171	if (args->patch) {
172		struct VFile* patch = VFileOpen(args->patch, O_RDONLY);
173		if (patch) {
174			renderer->core->loadPatch(renderer->core, patch);
175		}
176	} else {
177		mCoreAutoloadPatch(renderer->core);
178	}
179
180	renderer->audio.samples = renderer->core->opts.audioBuffers;
181	renderer->audio.sampleRate = 44100;
182
183	bool didFail = !mSDLInitAudio(&renderer->audio, &thread);
184	if (!didFail) {
185#if SDL_VERSION_ATLEAST(2, 0, 0)
186		mSDLSetScreensaverSuspendable(&renderer->events, renderer->core->opts.suspendScreensaver);
187		mSDLSuspendScreensaver(&renderer->events);
188#endif
189		if (mCoreThreadStart(&thread)) {
190			renderer->runloop(renderer, &thread);
191			mSDLPauseAudio(&renderer->audio);
192			mCoreThreadJoin(&thread);
193		} else {
194			didFail = true;
195			printf("Could not run game. Are you sure the file exists and is a compatible game?\n");
196		}
197
198#if SDL_VERSION_ATLEAST(2, 0, 0)
199		mSDLResumeScreensaver(&renderer->events);
200		mSDLSetScreensaverSuspendable(&renderer->events, false);
201#endif
202
203		if (mCoreThreadHasCrashed(&thread)) {
204			didFail = true;
205			printf("The game crashed!\n");
206		}
207	}
208	renderer->core->unloadROM(renderer->core);
209	return didFail;
210}
211
212static bool mSDLInit(struct mSDLRenderer* renderer) {
213	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
214		printf("Could not initialize video: %s\n", SDL_GetError());
215		return false;
216	}
217
218	return renderer->init(renderer);
219}
220
221static void mSDLDeinit(struct mSDLRenderer* renderer) {
222	mSDLDeinitEvents(&renderer->events);
223	mSDLDeinitAudio(&renderer->audio);
224#if SDL_VERSION_ATLEAST(2, 0, 0)
225	SDL_DestroyWindow(renderer->window);
226#endif
227
228	renderer->deinit(renderer);
229
230	SDL_Quit();
231}