nuclear@18: #include <stdio.h>
nuclear@18: #include <stdlib.h>
nuclear@18: #include <string.h>
nuclear@18: #include "cfg.h"
nuclear@18: 
nuclear@18: Config cfg;
nuclear@18: 
nuclear@18: Config::Config()
nuclear@18: {
nuclear@60: 	width = 1280;
nuclear@60: 	height = 800;
nuclear@18: 	stereo = false;
nuclear@47: 	sound = true;
nuclear@18: 	level_file = "0.level";
nuclear@18: 	tileset_file = "default.tileset";
nuclear@60: 
nuclear@60: 	rend = Renderer::any;
nuclear@18: }
nuclear@18: 
nuclear@18: bool Config::parse_args(int argc, char **argv)
nuclear@18: {
nuclear@18: 	for(int i=1; i<argc; i++) {
nuclear@25: 		if(argv[i][0] == '-') {
nuclear@25: 			if(strcmp(argv[i], "-s") == 0) {
nuclear@25: 				if(sscanf(argv[++i], "%dx%d", &width, &height) != 2) {
nuclear@25: 					fprintf(stderr, "-s must be followed by <width>x<height>\n");
nuclear@25: 					return false;
nuclear@25: 				}
nuclear@25: 			} else if(strcmp(argv[i], "-stereo") == 0) {
nuclear@25: 				stereo = true;
nuclear@47: 			} else if(strcmp(argv[i], "-nosound") == 0) {
nuclear@47: 				sound = false;
nuclear@25: 			} else if(strcmp(argv[i], "-level") == 0) {
nuclear@25: 				level_file = argv[++i];
nuclear@25: 			} else if(strcmp(argv[i], "-tileset") == 0) {
nuclear@25: 				tileset_file = argv[++i];
nuclear@60: 			} else if(strcmp(argv[i], "-renderer") == 0) {
nuclear@60: 				if(strcmp(argv[++i], "mrt") == 0) {
nuclear@60: 					rend = Renderer::mrt;
nuclear@60: 				} else if(strcmp(argv[i], "mp") == 0) {
nuclear@60: 					rend = Renderer::multipass;
nuclear@60: 				} else if(strcmp(argv[i], "fwd") == 0) {
nuclear@60: 					rend = Renderer::fwd;
nuclear@60: 				} else {
nuclear@60: 					fprintf(stderr, "invalid renderer specified: %s\n", argv[i]);
nuclear@60: 					return false;
nuclear@60: 				}
nuclear@25: 			} else if(strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-help") == 0) {
nuclear@25: 				printf("Usage: %s [options]\n", argv[0]);
nuclear@60: 				printf("  -s WxH           window size (resolution)\n");
nuclear@60: 				printf("  -level <file>    specify which level file to load\n");
nuclear@60: 				printf("  -tileset <file>  specify which tileset to use\n");
nuclear@60: 				printf("  -renderer <rend> specify which renderer to use\n");
nuclear@60: 				printf("  -stereo          enable stereoscopic rendering\n");
nuclear@60: 				printf("  -nosound         disable sound output\n");
nuclear@60: 				printf("  -h/-help         print usage information and exit\n");
nuclear@60: 				printf("\n");
nuclear@60: 				printf("Renderers:\n");
nuclear@60: 				printf("  mrt  - deferred renderer using multiple draw buffers\n");
nuclear@60: 				printf("  mp   - multipass deferred renderer for each g-buffer\n");
nuclear@60: 				printf("  fwd  - fallback forward renderer with simplistic lighting\n");
nuclear@25: 				exit(0);
nuclear@25: 
nuclear@25: 			} else {
nuclear@25: 				fprintf(stderr, "unrecognized option: %s\n", argv[i]);
nuclear@18: 				return false;
nuclear@18: 			}
nuclear@18: 		} else {
nuclear@25: 			level_file = argv[i];
nuclear@18: 		}
nuclear@18: 	}
nuclear@18: 	return true;
nuclear@18: }