From 46dfa4a8c38efc817a0c519a104fcc3a58bbda94 Mon Sep 17 00:00:00 2001
From: Allanis <allanis@saracraft.net>
Date: Wed, 15 May 2013 21:53:03 +0100
Subject: [PATCH] [Add] You can now save and partially load games (mission is
 data is lost).

---
 src/lfile.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
 src/lfile.h |  5 +++--
 src/save.c  | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 96 insertions(+), 2 deletions(-)

diff --git a/src/lfile.c b/src/lfile.c
index f688d03..3003fd0 100644
--- a/src/lfile.c
+++ b/src/lfile.c
@@ -4,6 +4,8 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <dirent.h>
+#include <stdio.h>
 #include <errno.h>
 #endif
 
@@ -49,3 +51,46 @@ int lfile_dirMakeExist(char* path) {
   return 0;
 }
 
+// List all the files in a dir (besides . and ..).
+char** lfile_readDir(int* lfiles, char* path) {
+  char file[PATH_MAX];
+  char** files;
+
+  snprintf(file, PATH_MAX, "%s%s", lfile_basePath(), path);
+
+#ifdef LINUX
+  DIR* d;
+  struct dirent *dir;
+  char* name;
+  int mfiles;
+
+  (*lfiles) = 0;
+  mfiles = 100;
+  files = malloc(sizeof(char*)*mfiles);
+
+  d = opendir(file);
+  if(d == NULL) {
+    return NULL;
+  }
+
+  while((dir = readdir(d)) != NULL) {
+    name = dir->d_name;
+
+    if((strcmp(name, ".")==0) || (strcmp(name, "..")==0))
+      continue;
+
+    if((*lfiles)+1 > mfiles) {
+      mfiles += 100;
+      files = realloc(files, sizeof(char*) * mfiles);
+    }
+
+    files[(*lfiles)] = strdup(name);
+    (*lfiles)++;
+  }
+
+  closedir(d);
+#endif
+
+  return files;
+}
+
diff --git a/src/lfile.h b/src/lfile.h
index ab49ba9..f2d1444 100644
--- a/src/lfile.h
+++ b/src/lfile.h
@@ -1,5 +1,6 @@
 #pragma once
 
-char* lfile_basePath(void);
-int   lfile_dirMakeExist(char* path);
+char*   lfile_basePath(void);
+int     lfile_dirMakeExist(char* path);
+char**  lfile_readDir(int* lfiles, char* path);
 
diff --git a/src/save.c b/src/save.c
index 87292ae..b21501e 100644
--- a/src/save.c
+++ b/src/save.c
@@ -22,6 +22,7 @@ extern void menu_main_close(void);
 // Static.
 static int  save_data(xmlTextWriterPtr writer);
 static void load_menu_close(char* str);
+static void load_menu_load(char* str);
 static int  load_game(char* file);
 
 // Save all the game data.
@@ -49,6 +50,7 @@ int save_all(void) {
   xmlw_start(writer);
   xmlw_startElem(writer, "lephisto_save");
 
+  // Save the version or something..
   xmlw_startElem(writer, "version");
   xmlw_elem(writer, "lephisto", "%d.%d.%d", VMAJOR, VMINOR, VREV);
   xmlw_elem(writer, "data", dataname);
@@ -82,10 +84,41 @@ int save_all(void) {
 // Open the load game menu.
 void load_game_menu(void) {
   unsigned int wid;
+  char** files;
+  int lfiles, i, len;
 
+  // Window.
   wid = window_create("Load Game", -1, -1, LOAD_WIDTH, LOAD_HEIGHT);
+
+  // Load the saves.
+  files = lfile_readDir(&lfiles, "saves");
+  for(i = 0; i < lfiles; i++) {
+    len = strlen(files[i]);
+
+    // No save extension.
+    if((len < 6) || strcmp(&files[i][len-3], ".ls")) {
+      free(files[i]);
+      memmove(&files[i], &files[i+1], sizeof(char*) * (lfiles-i-1));
+      lfiles--;
+      i--;
+    }
+    else // Remove the extension.
+      files[i][len-3] = '\0';
+  }
+
+  window_addList(wid, 20, -50,
+      LOAD_WIDTH-BUTTON_WIDTH-50, LOAD_HEIGHT-90,
+      "lstSaves", files, lfiles, 0, NULL);
+
+  // Buttons.
   window_addButton(wid, -20, 20, BUTTON_WIDTH, BUTTON_HEIGHT,
       "btnBack", "Back", load_menu_close);
+
+  window_addButton(wid, -20, 30 + BUTTON_HEIGHT, BUTTON_WIDTH, BUTTON_HEIGHT,
+      "btnLoad", "Load", load_menu_load);
+
+  // Default action.
+  window_setFptr(wid, load_menu_load);
 }
 
 static void load_menu_close(char* str) {
@@ -94,6 +127,21 @@ static void load_menu_close(char* str) {
   window_destroy(window_get("Load Game"));
 }
 
+static void load_menu_load(char* str) {
+  (void)str;
+  char* save, path[PATH_MAX];
+  int wid;
+
+  wid = window_get("Load Game");
+
+  save = toolkit_getList(wid, "lstSaves");
+
+  snprintf(path, PATH_MAX, "%ssaves/%s.ls", lfile_basePath(), save);
+  load_game(path);
+  load_menu_close(NULL);
+  menu_main_close();
+}
+
 // Load a new game.
 static int load_game(char* file) {
   xmlNodePtr node;