forming the skeleton

src/dialog.h

@@ -1,26 +1,40 @@
 #pragma once
 
 #include "anm2.h"
+#include "resources.h"
 
-static const SDL_DialogFileFilter ANM2_DIALOG_FILE_FILTER[] =
+static const SDL_DialogFileFilter DIALOG_FILE_FILTER_ANM2[] =
 {
     {"Anm2", "anm2;xml"}
 };
 
+static const SDL_DialogFileFilter DIALOG_FILE_FILTER_PNG[] =
+{
+    {"png", "png"}
+};
+
 enum DialogType 
 {
+    DIALOG_NONE,
     DIALOG_ANM2_OPEN,
-    DIALOG_ANM2_SAVE
+    DIALOG_ANM2_SAVE,
+    DIALOG_PNG_OPEN,
+    DIALOG_PNG_REPLACE
 };
 
 struct Dialog
 {
     Anm2* anm2 = NULL;
-    enum DialogType type = DIALOG_ANM2_OPEN;
+    Resources* resources = NULL;
+    s32 replaceID = -1;
+    enum DialogType type = DIALOG_NONE;
     char path[PATH_MAX] = "";
     bool isSelected = false;
 };
 
+void dialog_init(Dialog* self, Anm2* anm2, Resources* resources);
 void dialog_anm2_open(Dialog* self);
+void dialog_png_open(Dialog* self);
+void dialog_png_replace(Dialog* self);
 void dialog_anm2_save(Dialog* self);
 void dialog_tick(Dialog* self);