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
 71	GBAConfigMap(&config, &opts);
 72
 73	renderer.viewportWidth = opts.width;
 74	renderer.viewportHeight = opts.height;
 75#if SDL_VERSION_ATLEAST(2, 0, 0)
 76	renderer.player.fullscreen = opts.fullscreen;
 77	renderer.player.windowUpdated = 0;
 78#endif
 79	renderer.ratio = graphicsOpts.multiplier;
 80	if (renderer.ratio == 0) {
 81		renderer.ratio = 1;
 82	}
 83
 84	renderer.lockAspectRatio = opts.lockAspectRatio;
 85	renderer.filter = opts.resampleVideo;
 86
 87#ifdef BUILD_GL
 88	GBASDLGLCreate(&renderer);
 89#elif defined(BUILD_GLES2)
 90	GBASDLGLES2Create(&renderer);
 91#else
 92	GBASDLSWCreate(&renderer);
 93#endif
 94
 95	if (!GBASDLInit(&renderer)) {
 96		freeArguments(&args);
 97		GBAConfigFreeOpts(&opts);
 98		GBAConfigDeinit(&config);
 99		return 1;
100	}
101
102	struct GBAThread context = {
103		.renderer = &renderer.d.d,
104		.userData = &renderer
105	};
106
107	context.debugger = createDebugger(&args, &context);
108
109	GBAMapOptionsToContext(&opts, &context);
110	GBAMapArgumentsToContext(&args, &context);
111
112	bool didFail = false;
113
114	renderer.audio.samples = context.audioBuffers;
115	renderer.audio.sampleRate = 44100;
116	if (opts.sampleRate) {
117		renderer.audio.sampleRate = opts.sampleRate;
118	}
119	if (!GBASDLInitAudio(&renderer.audio, &context)) {
120		didFail = true;
121	}
122
123	renderer.player.bindings = &inputMap;
124	GBASDLInitBindings(&inputMap);
125	GBASDLInitEvents(&renderer.events);
126	GBASDLEventsLoadConfig(&renderer.events, GBAConfigGetInput(&config));
127	GBASDLAttachPlayer(&renderer.events, &renderer.player);
128	GBASDLPlayerLoadConfig(&renderer.player, GBAConfigGetInput(&config));
129	context.overrides = GBAConfigGetOverrides(&config);
130
131	if (!didFail) {
132#if SDL_VERSION_ATLEAST(2, 0, 0)
133		GBASDLSetScreensaverSuspendable(&renderer.events, opts.suspendScreensaver);
134		GBASDLSuspendScreensaver(&renderer.events);
135#endif
136		if (GBAThreadStart(&context)) {
137			renderer.runloop(&context, &renderer);
138			GBAThreadJoin(&context);
139		} else {
140			didFail = true;
141			printf("Could not run game. Are you sure the file exists and is a Game Boy Advance game?\n");
142		}
143
144#if SDL_VERSION_ATLEAST(2, 0, 0)
145		GBASDLResumeScreensaver(&renderer.events);
146		GBASDLSetScreensaverSuspendable(&renderer.events, false);
147#endif
148
149		if (GBAThreadHasCrashed(&context)) {
150			didFail = true;
151			printf("The game crashed!\n");
152		}
153	}
154	freeArguments(&args);
155	GBAConfigFreeOpts(&opts);
156	GBAConfigDeinit(&config);
157	free(context.debugger);
158	GBASDLDetachPlayer(&renderer.events, &renderer.player);
159	GBAInputMapDeinit(&inputMap);
160
161	GBASDLDeinit(&renderer);
162
163	return didFail;
164}
165
166static bool GBASDLInit(struct SDLSoftwareRenderer* renderer) {
167	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
168		printf("Could not initialize video: %s\n", SDL_GetError());
169		return false;
170	}
171
172	return renderer->init(renderer);
173}
174
175static void GBASDLDeinit(struct SDLSoftwareRenderer* renderer) {
176	GBASDLDeinitEvents(&renderer->events);
177	GBASDLDeinitAudio(&renderer->audio);
178#if SDL_VERSION_ATLEAST(2, 0, 0)
179	SDL_DestroyWindow(renderer->window);
180#endif
181
182	renderer->deinit(renderer);
183
184	SDL_Quit();
185}