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#include <PA9.h>// PAGfxConverter Include#include "gfx\all_gfx.c"#include "gfx\all_gfx.h"typedef struct{	s32 x, y;	s32 flip;} linktype; linktype link;void Movelink(void);void CheckCollisions(void);u8 GetTile(s16 x, s16 y);u8 LeftCollision(void);u8 RightCollision(void);u8 DownCollision(void);u8 TouchingGround(void);int main(void){	PA_Init(); //PAlib inits	PA_InitVBL();	PA_InitText(1,0); // init text screen 1		// Load a large scrolling background converted with PAGfx... 	PA_LoadPAGfxLargeBg(1, //screen						2, //background number (0-3)						Main); // Name	PA_LoadPAGfxLargeBg(1, 1, Mainhard);			// Next we'll scroll, here are the variables...	s32 scrollx = 0; 	s32 scrolly = 0;					PA_LoadSpritePal(1, 0, (void*)link_Pal);	// Palette....		s32 x = 120; s32 y = 64;	s32 xx = 0; s32 yy = 0;	PA_CreateSprite(1, 0,(void*)link_Sprite, OBJ_SIZE_32X32,1, 0, x, y); // Sprite		link.x = 1<<8; link.y = (128-32)<<8; // bottom of the screen... fixed point	link.flip = 0;	PA_CreateSprite(1, 0,(void*)link_Sprite, OBJ_SIZE_32X32,1, 0, link.x>>8, link.y>>8); // Sprite		while(1) // Infinite loops	{	// We need to change the scroll according to the held keys...		scrollx += (Pad.Held.Right - Pad.Held.Left)*4; // scroll 4 pixels at a time		scrolly += (Pad.Held.Down - Pad.Held.Up)*4; // Same thing				PA_LargeScrollXY(1, // screen						2, // background number						scrollx, // X scroll						scrolly); // and Y scroll		    PA_LargeScrollXY(1, 1, scrollx, scrolly);				// Animation code...		if(Pad.Newpress.Up) PA_StartSpriteAnim(0, 0, 0, 8, 9);		if(Pad.Newpress.Down) PA_StartSpriteAnim(0, 0, 18, 26, 9);						if(Pad.Newpress.Right) {			PA_StartSpriteAnim(0, 0, 9, 17, 9);				PA_SetSpriteHflip(0, 0, 0);		}		if(Pad.Newpress.Left) {			PA_StartSpriteAnim(0, 0, 9, 17, 9);				PA_SetSpriteHflip(0, 0, 1);		}				if(!((Pad.Held.Left)||(Pad.Held.Up)||(Pad.Held.Down)||(Pad.Held.Right))) PA_SpriteAnimPause(0, 0, 1);		yy += Pad.Newpress.X - Pad.Newpress.B;		xx += Pad.Newpress.A - Pad.Newpress.Y;				// Moving Code		y += (Pad.Held.Down - Pad.Held.Up) * yy;		x += (Pad.Held.Right - Pad.Held.Left) * xx;				PA_SetSpriteXY(0, 0, x, y);				CheckCollisions();				PA_WaitForVBL();			}	return 0;}u8 GetTile(s16 x, s16 y){	if (x < 0 || x > 256) return 1; //Say it was a collision if the sprite tries                                         //to move out of the map horizontal boundaries	return Mainhard_Map[((y>>3)*32) + (x>>3)];}u8 LeftCollision(void){	return GetTile((link.x>>8)+2, (link.y>>8)+8+(link.flip*13));} u8 RightCollision(void){	return (GetTile((link.x>>8)+29, (link.y>>8)+8 + ((!link.flip)*13)));}u8 DownCollision(void){	return (GetTile((link.x>>8)+10 + (link.flip*11), (link.y>>8)+31));}u8 TouchingGround(void){	return GetTile((link.x>>8)+10 + (link.flip*11), (link.y>>8)+32);}void CheckCollisions(void){ 	while(LeftCollision()){ // Collision on the left of the sprite...		link.x+= 256; // Move by 1 pixel...	}	while(RightCollision()){ // Collision on the right of the sprite...		link.x-= 256; // Move by 1 pixel...	}		while(DownCollision()){ // Collision on the bottom of the sprite...		link.y -= 128; // Move by 1/2 pixel...	} }