+ First commit. It works painfully slow, but gets the job done. Still lots of room for improvement.

1 files changed, 204 insertions, 0 deletions

diff --git a/Source/LoadMenu.c b/Source/LoadMenu.c
new file mode 100644
index 0000000..ba8efaf
--- /dev/null
+++ b/Source/LoadMenu.c
@@ -0,0 +1,204 @@
+/* **************************************
+ * 	Includes							*	
+ * *************************************/
+
+#include "LoadMenu.h"
+
+/* **************************************
+ * 	Defines								*	
+ * *************************************/
+
+/* **************************************
+ * 	Structs and enums					*
+ * *************************************/
+
+enum
+{
+	SMALL_FONT_SIZE = 8,
+	SMALL_FONT_SIZE_BITSHIFT = 3,
+    SMALL_FONT_SPACING = 6
+};
+
+enum
+{
+	BG_BLUE_TARGET_VALUE = 0xC0,
+	BG_WHITE_TARGET_VALUE = /*0x40*/ 0,
+	BG_INCREASE_STEP = 0x10
+};
+
+enum
+{
+	LOADING_BAR_X = 64,
+	LOADING_BAR_Y = 200,
+	LOADING_BAR_N_LINES = 4,
+	
+	LOADING_BAR_WIDTH = 256,
+	LOADING_BAR_HEIGHT = 16,
+	
+	LOADING_BAR_LUMINANCE_TARGET = NORMAL_LUMINANCE,
+	LOADING_BAR_LUMINANCE_STEP = 10
+};
+
+enum
+{
+	LOADING_TITLE_CLUT_X = 384,
+	LOADING_TITLE_CLUT_Y = 496,
+	LOADING_TITLE_X = 128,
+	LOADING_TITLE_Y = 32,
+	
+	LOADING_TITLE_U = 0,
+	LOADING_TITLE_V = 0,
+	
+	LOADING_TITLE_LUMINANCE_STEP = 10,
+	LOADING_TITLE_LUMINANCE_TARGET = NORMAL_LUMINANCE
+};
+
+enum
+{	
+	PLANE_START_X = 56,
+	PLANE_START_Y = 200,
+	
+	PLANE_U = 0,
+	PLANE_V = 32,
+	PLANE_SIZE = 16,
+	
+	PLANE_LUMINANCE_STEP = 0x10,
+	PLANE_LUMINANCE_TARGET_VALUE = NORMAL_LUMINANCE
+};
+
+/* *************************************
+ * 	Local Prototypes
+ * *************************************/
+ 
+static void LoadMenuLoadFileList(	char* fileList[], 	void * dest[], 
+									uint8_t szFileList, uint8_t szDestList);
+
+/* *************************************
+ * 	Local Variables
+ * *************************************/
+
+static char* LoadMenuFiles[] = { "cdrom:\\DATA\\FONTS\\FONT_2.FNT;1"	};
+
+static void * LoadMenuDest[] = { (TYPE_FONT*)&SmallFont		};
+
+static char* strCurrentFile;
+
+// Flags to communicate with ISR state
+// 	*	startup_flag: background fades in from black to blue.
+// 	*	end_flag: tells the background to fade out to black.
+//	*	isr_ended: background has totally faded out to black.
+//	*	isr_started: tells the ISR has finished starting up.
+static volatile bool startup_flag;
+static volatile bool isr_started;
+static volatile bool end_flag;
+static volatile bool isr_ended;
+// Set to true when LoadMenuInit() has been called, and set to false
+// once LoadMenuEnd() is called.
+// It's used when multiple modules call LoadMenu() at the same time,
+// so load menu does not have to be initialised each time;
+static bool load_menu_running;
+
+void LoadMenuInit(void)
+{
+	static bool first_load = false;
+	
+	if(first_load == false)
+	{
+		first_load = true;
+		LoadMenuLoadFileList(	LoadMenuFiles,
+								LoadMenuDest,
+								sizeof(LoadMenuFiles) / sizeof(char*),
+								sizeof(LoadMenuDest)	/ sizeof(void*));
+	}
+	
+	FontSetSize(&SmallFont, SMALL_FONT_SIZE, SMALL_FONT_SIZE_BITSHIFT);
+    FontSetSpacing(&SmallFont, SMALL_FONT_SPACING);
+
+	SmallFont.spr.r = 0;
+	SmallFont.spr.g = 0;
+	SmallFont.spr.b = 0;
+	
+	GfxSetGlobalLuminance(NORMAL_LUMINANCE);
+}
+
+void LoadMenu(	char*	fileList[], 
+				void * dest[],
+				uint8_t szFileList	, uint8_t szDestList)
+{
+	
+	if(load_menu_running == false)
+	{
+		LoadMenuInit();
+	}
+	
+	LoadMenuLoadFileList(fileList,dest,szFileList,szDestList);
+}
+
+void LoadMenuLoadFileList(	char* fileList[], 	void * dest[], 
+							uint8_t szFileList, uint8_t szDestList)
+{
+	char aux_file_name[100];
+	char* extension;
+	uint8_t fileLoadedCount;
+	
+	if(szFileList != szDestList)
+	{
+		dprintf("File list size different from dest list size! %d vs %d\n",
+				szFileList, szDestList);
+		return;
+	}
+	
+	for(fileLoadedCount = 0; fileLoadedCount < szFileList ; fileLoadedCount++)
+	{
+		if(fileList[fileLoadedCount] == NULL)
+		{
+			continue;
+		}
+		
+		strCurrentFile = fileList[fileLoadedCount];
+						
+		//dprintf("Files %d / %d loaded. New plane X = %d.\n",fileLoadedCount,szFileList,LoadMenuPlaneSpr.x);
+		
+		// Backup original file path
+		strncpy(aux_file_name,fileList[fileLoadedCount],100);
+		
+		//We want to get file extension, so split into tokens
+		strtok(fileList[fileLoadedCount],".;");
+		extension = strtok(NULL,".;");
+		
+		dprintf("File extension: .%s\n",extension);
+		//Restore original file path in order to load file
+		strncpy(fileList[fileLoadedCount],aux_file_name,100);
+		
+		if(strncmp(extension,"TIM",3) == 0)
+		{
+			if(GfxSpriteFromFile(fileList[fileLoadedCount], dest[fileLoadedCount]) == false)
+			{
+				dprintf("Could not load image file \"%s\"!\n",fileList[fileLoadedCount]);
+			}
+		}
+		else if(strncmp(extension,"CLT",3) == 0)
+		{
+			if(dest[fileLoadedCount] != NULL)
+			{
+				dprintf("WARNING: File %s linked to non-NULL destination pointer!\n", dest[fileLoadedCount]);
+			}
+			
+			if(GfxCLUTFromFile(fileList[fileLoadedCount]) == false)
+			{
+				dprintf("Could not load CLUT file \"%s\"!\n",fileList[fileLoadedCount]);
+			}
+		}
+		else if(strncmp(extension,"FNT",3) == 0)
+		{
+			if(FontLoadImage(fileList[fileLoadedCount], dest[fileLoadedCount]) == false)
+			{
+				dprintf("Could not load font file \"%s\"!\n",fileList[fileLoadedCount]);
+			}
+		}
+		else
+		{
+			dprintf("LoadMenu does not recognize following extension: %s\n",extension);
+		}
+	}
+}