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