[ADD] Added a basic Array List, still under development.

GRRLIB/GRRLIB/GRRLIB.c

@@ -22,7 +22,9 @@ u32 fb = 0;
 static void *xfb[2] = {NULL, NULL};
 GXRModeObj *rmode;
 void *gp_fifo = NULL;
+
 static GRRLIB_drawSettings GRRLIB_Settings;
+static GRRLIB_linkedList *GRRLIB_ListImages;
 
 static void RawTo4x4RGBA(const unsigned char *src, void *dst, const unsigned int width, const unsigned int height);
 
@@ -288,8 +290,9 @@ GRRLIB_texImg GRRLIB_LoadTexturePNG(const unsigned char my_png[]) {
     PNGU_ReleaseImageContext(ctx);
     my_texture.w = imgProp.imgWidth;
     my_texture.h = imgProp.imgHeight;
+    GRRLIB_FlushTex( my_texture );
+    GRRLIB_ListAddTexture( &my_texture );
     GRRLIB_SetHandle( &my_texture, 0, 0 );
-    GRRLIB_FlushTex(my_texture);
     return my_texture;
 }
 
@@ -346,9 +349,9 @@ GRRLIB_texImg GRRLIB_LoadTextureJPG(const unsigned char my_jpg[]) {
 
     my_texture.w = cinfo.output_width;
     my_texture.h = cinfo.output_height;
-    GRRLIB_SetHandle( &my_texture, 0, 0 );
     GRRLIB_FlushTex(my_texture);
-
+    GRRLIB_ListAddTexture( &my_texture );
+    GRRLIB_SetHandle( &my_texture, 0, 0 );
     return my_texture;
 }
 
@@ -516,6 +519,7 @@ GRRLIB_texImg GRRLIB_CreateEmptyTexture(unsigned int w, unsigned int h) {
  * @param color Color in RGBA format.
  */
 inline void GRRLIB_DrawImg(f32 xpos, f32 ypos, GRRLIB_texImg tex, float degrees, float scaleX, f32 scaleY, u32 color) {
+    if (!tex.data) { return; }
     GXTexObj texObj;
     u16 width, height;
     Mtx m, m1, m2, mv;
@@ -566,9 +570,9 @@ inline void GRRLIB_DrawImg(f32 xpos, f32 ypos, GRRLIB_texImg tex, float degrees,
 
 /**
  * Draw a textured quad.
- * @param pos vector array of the 4 points
- * @param tex texture to draw.
- * @param color
+ * @param pos Vector array of the 4 points.
+ * @param tex The texture to draw.
+ * @param color Color in RGBA format.
  */
 inline void GRRLIB_DrawImgQuad(Vector pos[4], GRRLIB_texImg tex, u32 color) {
     GXTexObj texObj;
@@ -1153,6 +1157,7 @@ void GRRLIB_Init() {
 
     // Default settings
     GRRLIB_Settings.antialias = true;
+    GRRLIB_ListImages = NULL;
 }
 
 /**
@@ -1212,3 +1217,68 @@ bool GRRLIB_ScrShot(const char* File)
     }
     return !ErrorCode;
 }
+
+
+/**
+ * Add a GRRLIB texture into the list.
+ * @param img The texture to add.
+ */
+void GRRLIB_ListAddTexture( GRRLIB_texImg *img ) {
+    GRRLIB_linkedList *temp = malloc(sizeof(GRRLIB_linkedList));
+    if (newList == NULL) { return; }
+    
+    temp->next = *&GRRLIB_ListImages;
+    temp->texture = img;
+    *&GRRLIB_ListImages = temp;
+}
+
+/**
+ * Delete an list entry containing the pointer of a texture.
+ * @param img The texture to delete.
+ */
+bool GRRLIB_ListDelTexture( GRRLIB_texImg *img ) {
+    GRRLIB_linkedList *temp = GRRLIB_ListImages;
+    
+    if (!temp) { return false; } // List is empty.
+    while ( temp->next ) {
+        if (temp->texture == img) {      // <- Doesn't really work, need to find another way. :x
+            return true;
+            //free(img->data);
+            //free(img);
+            //GRRLIB_ListRemove( &temp );
+            //return true;
+        }
+        temp = temp->next;
+    }
+    
+    return false;
+}
+
+/**
+ * Removes an entry of an Array List.
+ * @param list The pointer to a list.
+ */
+void GRRLIB_ListRemove( GRRLIB_linkedList **list ) {
+    if (list) {
+        GRRLIB_linkedList *temp = *list;
+        *list = (*list)->next;
+        free(temp);
+    }
+}
+
+/**
+ * Just for testing purposes.
+ * Loops through all members of an Array List.
+ */
+unsigned int GRRLIB_ListGetTextureEntries() {
+    unsigned int cnt = 0;
+    GRRLIB_linkedList *temp = GRRLIB_ListImages;
+    
+    if (!temp) { return 0; } // List is empty.
+    while ( temp->next ) {
+        cnt = cnt + 1;
+        temp = temp->next;
+    }
+    
+    return cnt;
+}

GRRLIB/GRRLIB/GRRLIB.h

@@ -83,6 +83,14 @@ typedef struct GRRLIB_bytemapFont {
     GRRLIB_bytemapChar *charDef;    /**< List of bitmap character definitions. */
 } GRRLIB_bytemapFont;
 
+/**
+ * Linked List to inherit all members of an GRRLIB struct.
+ */
+typedef struct GRRLIB_linkedList {
+    GRRLIB_texImg *texture;             /**< GRRLIB Texture */
+    struct GRRLIB_linkedList *next;     /**< Pointer to next LinkedList */
+} GRRLIB_linkedList;
+
 
 extern Mtx GXmodelView2D;
 
@@ -156,6 +164,12 @@ void GRRLIB_Exit();
 
 bool GRRLIB_ScrShot(const char*);
 
+void GRRLIB_ListAddTexture( GRRLIB_texImg *img );
+bool GRRLIB_ListDelTexture( GRRLIB_texImg *img );
+void GRRLIB_ListRemove( GRRLIB_linkedList **list );
+unsigned int GRRLIB_ListGetTextureEntries();
+
+
 #ifdef __cplusplus
    }
 #endif /* __cplusplus */