dsgmLib/examples/Collision/source/project.c

#include "DSGM.h"

#include "DSGM_projectHelper.h"

// User variables / declarations
u8 direction = 0;

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

DSGM_Background DSGM_Backgrounds[DSGM_BACKGROUND_COUNT] = {
};

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

DSGM_Sprite DSGM_Sprites[DSGM_SPRITE_COUNT] = {
	DSGM_FORM_NITRO_SPRITE(taptapman, DSGMPal0, SpriteSize_32x32, 9),
	DSGM_FORM_NITRO_SPRITE(ball, DSGMPal0, SpriteSize_32x32, 1),
};

DSGM_Object DSGM_Objects[DSGM_OBJECT_COUNT] = {
	// player
	{
		&DSGM_Sprites[taptapman],
		DSGM_NO_EVENT,
		player_loop,
		DSGM_NO_EVENT,
		DSGM_NO_EVENT,
		
		NULL, 0
	},
	// ball
	{
		&DSGM_Sprites[ballSprite],
		DSGM_NO_EVENT,
		DSGM_NO_EVENT,
		DSGM_NO_EVENT,
		DSGM_NO_EVENT,
		
		NULL, 0
	},
};

DSGM_Room DSGM_Rooms[DSGM_ROOM_COUNT] = {
	// Room_1
	{
		// Backgrounds
		{
			// Bottom screen
			{
				// Layer 0
				{
					DSGM_TEXT_BACKGROUND,		// Background
					DSGM_BOTTOM,				// Screen
					0,							// Layer
					false,						// Attached to view system
					0, 0, 0
				},
				
				// Layer 1
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_BOTTOM,				// Screen
					1,							// Layer
					true,						// Attached to view system
					0, 0, 0
				},
				
				// Layer 2
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_BOTTOM,				// Screen
					2,							// Layer
					true,						// Attached to view system
					0, 0, 0
				},
				
				// Layer 3
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_BOTTOM,				// Screen
					3,							// Layer
					true,						// Attached to view system
					0, 0, 0
				},
			},
			
			// Top screen
			{
				// Layer 0
				{
					DSGM_TEXT_BACKGROUND,		// Background
					DSGM_TOP,					// Screen
					0,							// Layer
					false,						// Attached to view system
					0, 0, 0
				},
				
				// Layer 1
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_TOP,					// Screen
					1,							// Layer
					true,						// Attached to view system
					0, 0, 0
				},
				
				// Layer 2
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_TOP,					// Screen
					2,							// Layer
					true,						// Attached to view system
					0, 0, 0
				},
				
				// Layer 3
				{
					DSGM_NO_BACKGROUND,			// Background
					DSGM_TOP,					// Screen
					3,							// Layer
					true,						// Attached to view system
					0, 0, 0
				},
			}
		},
		
		// Initial views
		{
			// Bottom screen
			{
				0, 0
			},
			
			// Top screen
			{
				0, 0
			}
		},
		
		// Views
		{
			// Bottom screen
			{
				0, 0
			},
			
			// Top screen
			{
				0, 0
			}
		},
		
		// 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, 2);
	
	DSGM_SetupObjectInstances(&DSGM_Rooms[Room_1].objectGroups[DSGM_BOTTOM][0], &DSGM_Objects[player], DSGM_BOTTOM, 1,
		64, 64
	);
	
	DSGM_SetupObjectInstances(&DSGM_Rooms[Room_1].objectGroups[DSGM_BOTTOM][1], &DSGM_Objects[ball], DSGM_BOTTOM, 2,
		120, 80,
		20, 50
	);
	
	DSGM_AddCollisionEvent(&DSGM_Objects[player], &DSGM_Objects[ball], player_collide_ball);
	
	if(room != DSGM_ALL_ROOMS) return;
}

void player_loop(DSGM_ObjectInstance *me) {
	DSGM_ClearText(DSGM_BOTTOM);
	
	if(direction == 0) {
		me->x++;
	}
	else {
		me->x--;
	}
	
	if(me->x == 223 || me->x == 0) direction = !direction;
}

void player_collide_ball(DSGM_ObjectInstance *me, DSGM_ObjectInstance *collider) {
	DSGM_DrawText(DSGM_BOTTOM, 1, 1, "Collision!");
	collider->y += 1;
}