1 files changed, 339 insertions, 0 deletions
diff --git a/src/setup/mode.c b/src/setup/mode.c
new file mode 100644
index 00000000..702db67d
--- /dev/null
+++ b/src/setup/mode.c
@@ -0,0 +1,339 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 2006 Simon Howard
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "doomtype.h"
+
+#include "config.h"
+#include "textscreen.h"
+
+#include "doomtype.h"
+#include "d_mode.h"
+#include "d_iwad.h"
+#include "i_system.h"
+#include "m_argv.h"
+#include "m_config.h"
+#include "m_controls.h"
+
+#include "compatibility.h"
+#include "display.h"
+#include "joystick.h"
+#include "keyboard.h"
+#include "mouse.h"
+#include "multiplayer.h"
+#include "sound.h"
+
+#include "mode.h"
+
+GameMission_t gamemission;
+static iwad_t **iwads;
+
+typedef struct
+{
+    char *label;
+    GameMission_t mission;
+    int mask;
+    char *name;
+    char *config_file;
+    char *extra_config_file;
+    char *executable;
+} mission_config_t;
+
+// Default mission to fall back on, if no IWADs are found at all:
+
+#define DEFAULT_MISSION (&mission_configs[0])
+
+static mission_config_t mission_configs[] =
+{
+    {
+        "Doom",
+        doom,
+        IWAD_MASK_DOOM,
+        "doom",
+        "default.cfg",
+        PROGRAM_PREFIX "doom.cfg",
+        PROGRAM_PREFIX "doom"
+    },
+    {
+        "Heretic",
+        heretic,
+        IWAD_MASK_HERETIC,
+        "heretic",
+        "heretic.cfg",
+        PROGRAM_PREFIX "heretic.cfg",
+        PROGRAM_PREFIX "heretic"
+    },
+    {
+        "Hexen",
+        hexen,
+        IWAD_MASK_HEXEN,
+        "hexen",
+        "hexen.cfg",
+        PROGRAM_PREFIX "hexen.cfg",
+        PROGRAM_PREFIX "hexen"
+    }
+};
+
+static GameSelectCallback game_selected_callback;
+
+// Miscellaneous variables that aren't used in setup.
+
+static int showMessages = 1;
+static int screenblocks = 9;
+static int detailLevel = 0;
+static char *savedir = NULL;
+static char *executable = NULL;
+
+static void BindMiscVariables(void)
+{
+    M_BindVariable("screenblocks",      &screenblocks);
+
+    if (gamemission == doom)
+    {
+        M_BindVariable("detaillevel",       &detailLevel);
+        M_BindVariable("show_messages",     &showMessages);
+    }
+
+    if (gamemission == hexen)
+    {
+        M_BindVariable("savedir",           &savedir);
+        M_BindVariable("messageson",        &showMessages);
+    }
+}
+
+//
+// Initialise all configuration file bindings.
+//
+
+void InitBindings(void)
+{
+    M_ApplyPlatformDefaults();
+
+    // Keyboard, mouse, joystick controls
+
+    M_BindBaseControls();
+    M_BindWeaponControls();
+    M_BindMapControls();
+    M_BindMenuControls();
+
+    if (gamemission == heretic || gamemission == hexen)
+    {
+        M_BindHereticControls();
+    }
+
+    if (gamemission == hexen)
+    {
+        M_BindHexenControls();
+    }
+
+    // All other variables
+
+    BindCompatibilityVariables();
+    BindDisplayVariables();
+    BindJoystickVariables();
+    BindKeyboardVariables();
+    BindMouseVariables();
+    BindSoundVariables();
+    BindMiscVariables();
+    BindMultiplayerVariables();
+}
+
+// Set the name of the executable program to run the game:
+
+static void SetExecutable(mission_config_t *config)
+{
+    char *extension;
+
+    free(executable);
+
+#ifdef _WIN32
+    extension = ".exe";
+#else
+    extension = "";
+#endif
+
+    executable = malloc(strlen(config->executable) + 5);
+    sprintf(executable, "%s%s", config->executable, extension);
+}
+
+static void SetMission(mission_config_t *config)
+{
+    iwads = D_FindAllIWADs(config->mask);
+    gamemission = config->mission;
+    SetExecutable(config);
+    M_SetConfigFilenames(config->config_file, config->extra_config_file);
+}
+
+static mission_config_t *GetMissionForName(char *name)
+{
+    int i;
+
+    for (i=0; i<arrlen(mission_configs); ++i)
+    {
+        if (!strcmp(mission_configs[i].name, name))
+        {
+            return &mission_configs[i];
+        }
+    }
+
+    return NULL;
+}
+
+// Check the name of the executable.  If it contains one of the game
+// names (eg. chocolate-hexen-setup.exe) then use that game.
+
+static boolean CheckExecutableName(GameSelectCallback callback)
+{
+    mission_config_t *config;
+    char *exe_name;
+    int i;
+
+    exe_name = M_GetExecutableName();
+
+    for (i=0; i<arrlen(mission_configs); ++i)
+    {
+        config = &mission_configs[i];
+
+        if (strstr(exe_name, config->name) != NULL)
+        {
+            SetMission(config);
+            callback();
+            return true;
+        }
+    }
+
+    return false;
+}
+
+static void GameSelected(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(config))
+{
+    TXT_CAST_ARG(mission_config_t, config);
+
+    SetMission(config);
+    game_selected_callback();
+}
+
+static void OpenGameSelectDialog(GameSelectCallback callback)
+{
+    mission_config_t *mission = NULL;
+    txt_window_t *window;
+    iwad_t **iwads;
+    int num_games;
+    int i;
+
+    window = TXT_NewWindow("Select game");
+
+    TXT_AddWidget(window, TXT_NewLabel("Select a game to configure:\n"));
+    num_games = 0;
+
+    // Add a button for each game.
+
+    for (i=0; i<arrlen(mission_configs); ++i)
+    {
+        // Do we have any IWADs for this game installed?
+        // If so, add a button.
+
+        iwads = D_FindAllIWADs(mission_configs[i].mask);
+
+        if (iwads[0] != NULL)
+        {
+            mission = &mission_configs[i];
+            TXT_AddWidget(window, TXT_NewButton2(mission_configs[i].label,
+                                                 GameSelected,
+                                                 &mission_configs[i]));
+            ++num_games;
+        }
+
+        free(iwads);
+    }
+
+    TXT_AddWidget(window, TXT_NewStrut(0, 1));
+
+    // No IWADs found at all?  Fall back to doom, then.
+
+    if (num_games == 0)
+    {
+        TXT_CloseWindow(window);
+        SetMission(DEFAULT_MISSION);
+        callback();
+        return;
+    }
+
+    // Only one game? Use that game, and don't bother with a dialog.
+
+    if (num_games == 1)
+    {
+        TXT_CloseWindow(window);
+        SetMission(mission);
+        callback();
+        return;
+    }
+
+    game_selected_callback = callback;
+}
+
+void SetupMission(GameSelectCallback callback)
+{
+    mission_config_t *config;
+    char *mission_name;
+    int p;
+
+    //!
+    // @arg <game>
+    //
+    // Specify the game to configure the settings for.  Valid
+    // values are 'doom', 'heretic' and 'hexen'.
+    //
+
+    p = M_CheckParm("-game");
+
+    if (p > 0)
+    {
+        mission_name = myargv[p + 1];
+
+        config = GetMissionForName(mission_name);
+
+        if (config == NULL)
+        {
+            I_Error("Invalid parameter - '%s'", mission_name);
+        }
+
+        SetMission(config);
+        callback();
+    }
+    else if (!CheckExecutableName(callback))
+    {
+        OpenGameSelectDialog(callback);
+    }
+}
+
+char *GetExecutableName(void)
+{
+    return executable;
+}
+
+iwad_t **GetIwads(void)
+{
+    return iwads;
+}
+