// ***********************************************************************************
// Program written by B. Swan - BURROWINGGERBIL@HOTMAIL.COM
// ***********************************************************************************

// **** include files ****************************************************************

#include <libps.h>                   				   			  // Include standard Yaroze lib
#include <stdlib.h>																	  // Include standard C lib
#include "data\addrs.h"																// Include memtool created addresses
#include "pad.h"                                      // Include pad reading lib

// **** definitions ******************************************************************

#define DATA_ADDRESS_1 (0x8009f660)										// Address of level blocks
#define DATA_ADDRESS_2 (0x800a1d70)

#define SCREEN_WIDTH  (320)
#define SCREEN_HEIGHT (240)

#define OTABLE_LENGTH (4)                             // Define length of OTable
#define MAX_PACKETS   (128000)                        // Guess at length for scratchpad

#define MAX(a, b) \
	((a > b) ? a : b)

#define MIN(a, b) \
	((a > b) ? b : a)

#define GEM (1)
#define GEMVALUE a

#define WALKER (2)
#define WALKERHEALTH a
#define WALKERVELOCITY b

// **** prototypes *****************************************************************

void Initialise(void);                                // Triggers all initialisation routines
void InitialiseScreen(void);                          // Setups screen resolution etc.
void UpdateWorld(void);                               // Move, colour etc all sprites

void RenderStart(void);																// Initialise frame variables and screen
void RenderWorld(void);                               // Draw the screen scene

void DrawForeground(void);														// Draw foreground

void DrawMiddleground(void);													// Draw middle distance

void DrawBackground(void);													  // Controls drawing of the background
void DrawMountains(void);														  // Draws mountains
void DrawClouds(void);															  // Draws clouds
void DrawTreeTops(void);														  // Draws treetops
void DrawPlayer(void);															  // Draws player
void DrawObjects(void);															  // Draws objects

void LoadTIMData(u_long tMemAddress);                 // cCopies TIM from main memory to vram
void SetBlocksInfo(GsSPRITE *tSprite, long tX, long tY, long tU, long tV, long tW, long tH, long tPX, long tPY, u_char tCol);
						   	 																      // Chop blocks up correctly into
						      																	  // Sprites from more specific data

long GetBlockStatus(long X, long Y);									// Get status of block at specific pixel
long Collided(long t1X, long t1Y, long t1W, long t1H, long t2X, long t2Y, long t2W, long t2H);
																											// Are two specified blocks colliding?

void UpdateObjects(void);															// Update the enemies