#include "DSGM.h"

#include "DSGM_projectHelper.h"

// User variables / declarations

// Resources
DSGM_Sound DSGM_Sounds[DSGM_SOUND_COUNT] = {
};

DSGM_Background DSGM_Backgrounds[DSGM_BACKGROUND_COUNT] = {
};

DSGM_Palette DSGM_Palettes[DSGM_PALETTE_COUNT] = {
	DSGM_FORM_RAM_PALETTE(DSGMPal0),
};

DSGM_Sprite DSGM_Sprites[DSGM_SPRITE_COUNT] = {
	DSGM_FORM_RAM_SPRITE(ball, DSGMPal0, SpriteSize_32x32, 1),
};

DSGM_Object DSGM_Objects[DSGM_OBJECT_COUNT] = {
	// hello
	{
		&DSGM_Sprites[ball],
		(DSGM_Event)hello_create,
		(DSGM_Event)hello_loop,
		DSGM_NO_EVENT,
		DSGM_NO_EVENT,
		NULL, 0,
		
		sizeof(*((helloObjectInstance *)0)->variables)
	},
};

DSGM_Room DSGM_Rooms[DSGM_ROOM_COUNT] = {
	// Room_1
	{
		// Backgrounds
		{
			// Bottom screen
			{
				// Layer 0
				{
					DSGM_DEFAULT_FONT,			// Background
					DSGM_BOTTOM,				// Screen
					0,							// Layer
					false,						// Attached to view system
					7,							// Map base
					0,							// Tile base
					0, 0, 0
				},
				
				// Layer 1
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_BOTTOM,				// Screen
					1,							// Layer
					true,						// Attached to view system
					0,							// Map base
					0,							// Tile base
					0, 0, 0
				},
				
				// Layer 2
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_BOTTOM,				// Screen
					2,							// Layer
					true,						// Attached to view system
					0,							// Map base
					0,							// Tile base
					0, 0, 0
				},
				
				// Layer 3
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_BOTTOM,				// Screen
					3,							// Layer
					true,						// Attached to view system
					0,							// Map base
					0,							// Tile base
					0, 0, 0
				},
			},
			
			// Top screen
			{
				// Layer 0
				{
					DSGM_DEFAULT_FONT,			// Background
					DSGM_TOP,					// Screen
					0,							// Layer
					false,						// Attached to view system
					7,							// Map base
					0,							// Tile base
					0, 0, 0
				},
				
				// Layer 1
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_TOP,					// Screen
					1,							// Layer
					true,						// Attached to view system
					0,							// Map base
					0,							// Tile base
					0, 0, 0
				},
				
				// Layer 2
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_TOP,					// Screen
					2,							// Layer
					true,						// Attached to view system
					0,							// Map base
					0,							// Tile base
					0, 0, 0
				},
				
				// Layer 3
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_TOP,					// Screen
					3,							// Layer
					true,						// Attached to view system
					0,							// Map base
					0,							// Tile base
					0, 0, 0
				},
			}
		},
		
		// Initial views
		{
			// Bottom screen
			{
				0, 0
			},
			
			// Top screen
			{
				0, 0
			}
		},
		
		// Views
		{
			// Bottom screen
			{
				0, 0
			},
			
			// Top screen
			{
				0, 0
			}
		},
		
		NULL,
		
		// Object groups are dynamic, so must be set up at run time, see DSGM_SetupRooms.
		{
			NULL,
			NULL
		},
		{
			0,
			0
		}
	},
};

int DSGM_currentRoom = Room_1;

void DSGM_SetupRooms(int room) {
	if(room != DSGM_ALL_ROOMS) {
		switch(room) {
			case Room_1: goto Room_1; break;
		}
	}
	
	Room_1:
	DSGM_Debug("Room_1 reset\n");
	DSGM_LeaveRoom(&DSGM_Rooms[Room_1]);
	
	DSGM_SetupViews(&DSGM_Rooms[Room_1]);
	
	DSGM_SetupObjectGroups(&DSGM_Rooms[Room_1], DSGM_TOP, 0);
	
	DSGM_SetupObjectGroups(&DSGM_Rooms[Room_1], DSGM_BOTTOM, 1);
	
	DSGM_SetupObjectInstances(&DSGM_Rooms[Room_1].objectGroups[DSGM_BOTTOM][0], &DSGM_Objects[hello], DSGM_BOTTOM, 1,
		0, 0
	);
	
	if(room != DSGM_ALL_ROOMS) return;
}

void hello_create(helloObjectInstance *me) {
	DSGM_DrawText(DSGM_TOP, 0, 4, "You can now remove the card\nand load the game on another DS");
	DSGM_DrawText(DSGM_TOP, 0, 7, "Use the stylus to move the ball");
	DSGM_DrawText(DSGM_TOP, 0, 9, "Movement will be transmitted\nwirelessly");
	DSGM_InitNiFi();
}

void hello_loop(helloObjectInstance *me) {
	// Buffer must be aligned to 2 bytes, so use unsigned short
	unsigned short buffer[(2 * sizeof(int)) / sizeof(unsigned short)];
	
	if(DSGM_held.Stylus) {
		me->x = DSGM_stylus.x - 16;
		me->y = DSGM_stylus.y - 16;
		memcpy(buffer, &me->x, 2 * sizeof(int));
		DSGM_SendWirelessData(buffer, 2 * sizeof(int));
	}
	
	if(DSGM_newWirelessData) {
		if(DSGM_wirelessDataLength == 2 * sizeof(int)) memcpy(&me->x, DSGM_wirelessData, 2 * sizeof(int));
	}
}