From 48cce04f85c7b49ab817c0001c636d9d4ffd299f Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sat, 16 Nov 2013 01:02:17 -0500
Subject: Add code to load and initialize games.

---
diff --git a/src/game.c b/src/game.c
new file mode 100644
index 0000000..ab58eb4
--- /dev/null
+++ b/src/game.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2013  Patrick "P. J." McDermott
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#include "script.h"
+#include "logging.h"
+#include "game.h"
+
+struct game *
+game_load(const char *dirname)
+{
+	struct game *g;
+	char *path;
+
+	g = malloc(sizeof(*g));
+	if (g == NULL) {
+		err(1, "Failed to allocate game");
+	}
+	g->dirname = dirname;
+
+	path = malloc(strlen(dirname) + strlen("init.lua") + 2);
+	if (path == NULL) {
+		err(1, "Failed to allocate game");
+	}
+	sprintf(path, "%s/%s", dirname, "init.lua");
+	g->init_script = script_load(path);
+	free(path);
+
+	return g;
+}
+
+void
+game_run(struct game *g)
+{
+	script_call(g->init_script, "on_init");
+}
diff --git a/src/game.h b/src/game.h
new file mode 100644
index 0000000..e2ec169
--- /dev/null
+++ b/src/game.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2013  Patrick "P. J." McDermott
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GAME_H
+#define GAME_H
+
+#include "script.h"
+#include "viewport.h"
+/*#include "clock.h"*/
+
+struct game {
+	const char *dirname;
+	struct script *init_script;
+	struct viewport *vp;
+	/*struct clock *ck;*/
+};
+
+struct game *game_load(const char *dirname);
+void game_run(struct game *g);
+
+#endif
diff --git a/src/local.mk b/src/local.mk
index 1950fee..ceb4557 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -9,6 +9,8 @@ sdlex_SOURCES += \
 	src/compression.h \
 	src/demo.c \
 	src/demo.h \
+	src/game.c \
+	src/game.h \
 	src/init.c \
 	src/init.h \
 	src/logging.c \
diff --git a/src/main.c b/src/main.c
index 93ac007..9be003b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -21,6 +21,7 @@
 #include "init.h"
 #include "logging.h"
 #include "demo.h"
+#include "game.h"
 
 static void usage(const char *program_name, FILE *stream);
 
@@ -28,6 +29,7 @@ int
 main(int argc, char **argv)
 {
 	const char *game;
+	struct game *g;
 
 	if (argc != 2) {
 		usage(argv[0], stderr);
@@ -39,6 +41,9 @@ main(int argc, char **argv)
 
 	if (strcmp(game, "demo") == 0) {
 		demo();
+	} else {
+		g = game_load(argv[1]);
+		game_run(g);
 	}
 
 	quit(0);
--
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