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 "gba/gba.h"
 17#include "gba/supervisor/config.h"
 18#include "gba/supervisor/thread.h"
 19#include "gba/video.h"
 20#include "platform/commandline.h"
 21#include "util/configuration.h"
 22
 23#include <SDL.h>
 24
 25#include <errno.h>
 26#include <signal.h>
 27#include <sys/time.h>
 28
 29#define PORT "sdl"
 30
 31static bool GBASDLInit(struct SDLSoftwareRenderer* renderer);
 32static void GBASDLDeinit(struct SDLSoftwareRenderer* renderer);
 33
 34int main(int argc, char** argv) {
 35	struct SDLSoftwareRenderer renderer;
 36	GBAVideoSoftwareRendererCreate(&renderer.d);
 37
 38	struct GBAInputMap inputMap;
 39	GBAInputMapInit(&inputMap);
 40
 41	struct GBAConfig config;
 42	GBAConfigInit(&config, PORT);
 43	GBAConfigLoad(&config);
 44
 45	struct GBAOptions opts = {
 46		.width = VIDEO_HORIZONTAL_PIXELS,
 47		.height = VIDEO_VERTICAL_PIXELS,
 48		.useBios = true,
 49		.rewindEnable = true,
 50		.audioBuffers = 512,
 51		.videoSync = false,
 52		.audioSync = true,
 53	};
 54	GBAConfigLoadDefaults(&config, &opts);
 55
 56	struct GBAArguments args;
 57	struct GraphicsOpts graphicsOpts;
 58
 59	struct SubParser subparser;
 60
 61	initParserForGraphics(&subparser, &graphicsOpts);
 62	bool parsed = parseArguments(&args, &config, argc, argv, &subparser);
 63	if (!parsed || args.showHelp) {
 64		usage(argv[0], subparser.usage);
 65		freeArguments(&args);
 66		GBAConfigFreeOpts(&opts);
 67		GBAConfigDeinit(&config);
 68		return !parsed;
 69	}
 70	if (args.showVersion) {
 71		version(argv[0]);
 72		freeArguments(&args);
 73		GBAConfigFreeOpts(&opts);
 74		GBAConfigDeinit(&config);
 75		return 0;
 76	}
 77
 78	GBAConfigMap(&config, &opts);
 79
 80	renderer.viewportWidth = opts.width;
 81	renderer.viewportHeight = opts.height;
 82#if SDL_VERSION_ATLEAST(2, 0, 0)
 83	renderer.player.fullscreen = opts.fullscreen;
 84	renderer.player.windowUpdated = 0;
 85#endif
 86	renderer.ratio = graphicsOpts.multiplier;
 87	if (renderer.ratio == 0) {
 88		renderer.ratio = 1;
 89	}
 90
 91	renderer.lockAspectRatio = opts.lockAspectRatio;
 92	renderer.filter = opts.resampleVideo;
 93
 94#ifdef BUILD_GL
 95	GBASDLGLCreate(&renderer);
 96#elif defined(BUILD_GLES2)
 97	GBASDLGLES2Create(&renderer);
 98#else
 99	GBASDLSWCreate(&renderer);
100#endif
101
102	if (!GBASDLInit(&renderer)) {
103		freeArguments(&args);
104		GBAConfigFreeOpts(&opts);
105		GBAConfigDeinit(&config);
106		return 1;
107	}
108
109	struct GBAThread context = {
110		.renderer = &renderer.d.d,
111		.userData = &renderer
112	};
113
114	context.debugger = createDebugger(&args, &context);
115
116	GBAMapOptionsToContext(&opts, &context);
117	GBAMapArgumentsToContext(&args, &context);
118
119	bool didFail = false;
120
121	renderer.audio.samples = context.audioBuffers;
122	renderer.audio.sampleRate = 44100;
123	if (opts.sampleRate) {
124		renderer.audio.sampleRate = opts.sampleRate;
125	}
126	if (!GBASDLInitAudio(&renderer.audio, &context)) {
127		didFail = true;
128	}
129
130	renderer.player.bindings = &inputMap;
131	GBASDLInitBindings(&inputMap);
132	GBASDLInitEvents(&renderer.events);
133	GBASDLEventsLoadConfig(&renderer.events, GBAConfigGetInput(&config));
134	GBASDLAttachPlayer(&renderer.events, &renderer.player);
135	GBASDLPlayerLoadConfig(&renderer.player, GBAConfigGetInput(&config));
136	context.overrides = GBAConfigGetOverrides(&config);
137
138	if (!didFail) {
139#if SDL_VERSION_ATLEAST(2, 0, 0)
140		GBASDLSetScreensaverSuspendable(&renderer.events, opts.suspendScreensaver);
141		GBASDLSuspendScreensaver(&renderer.events);
142#endif
143		if (GBAThreadStart(&context)) {
144			renderer.runloop(&context, &renderer);
145			GBAThreadJoin(&context);
146		} else {
147			didFail = true;
148			printf("Could not run game. Are you sure the file exists and is a Game Boy Advance game?\n");
149		}
150
151#if SDL_VERSION_ATLEAST(2, 0, 0)
152		GBASDLResumeScreensaver(&renderer.events);
153		GBASDLSetScreensaverSuspendable(&renderer.events, false);
154#endif
155
156		if (GBAThreadHasCrashed(&context)) {
157			didFail = true;
158			printf("The game crashed!\n");
159		}
160	}
161	freeArguments(&args);
162	GBAConfigFreeOpts(&opts);
163	GBAConfigDeinit(&config);
164	free(context.debugger);
165	GBASDLDetachPlayer(&renderer.events, &renderer.player);
166	GBAInputMapDeinit(&inputMap);
167
168	GBASDLDeinit(&renderer);
169
170	return didFail;
171}
172
173static bool GBASDLInit(struct SDLSoftwareRenderer* renderer) {
174	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
175		printf("Could not initialize video: %s\n", SDL_GetError());
176		return false;
177	}
178
179	return renderer->init(renderer);
180}
181
182static void GBASDLDeinit(struct SDLSoftwareRenderer* renderer) {
183	GBASDLDeinitEvents(&renderer->events);
184	GBASDLDeinitAudio(&renderer->audio);
185#if SDL_VERSION_ATLEAST(2, 0, 0)
186	SDL_DestroyWindow(renderer->window);
187#endif
188
189	renderer->deinit(renderer);
190
191	SDL_Quit();
192}