//------------------------------------------------------------------------------
// File: screens.c
// Author: George Bain,
// Date: May 13, 1997
// Description: Initialize opening graphic images
// Copyright (C) 1997 George Bain, All Rights Reserved
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// I N C L U D E S
//------------------------------------------------------------------------------

#include <libps.h>	   // standard Sony library
#include "screens.h"
#include "gfx.h"
#include "t_left.img"   // title screen images
#include "t_right.img"
#include "s_left.img"   // story screen images
#include "s_right.img"
#include "c_left.img"   // city scrolling image
#include "c_right.img"


//------------------------------------------------------------------------------
// G L O B A L S
//------------------------------------------------------------------------------

object_handler t_left;	// left half of title screen
object_handler t_right; // right half of title screen
object_handler s_left;  // left half of story screen
object_handler s_right; // right half of story screen
object_handler c_left;  // left half of city screen
object_handler c_right; // right half of city screen


//------------------------------------------------------------------------------
// Function: InitTitleScreen()
// Description: Initialize member for the title screen
// Parameters: none
// Returns: void
// Notes: Using tga2img by Mario Perdue
//------------------------------------------------------------------------------

void InitTitleScreen( void )
 {

	u_short	tpage;	// texture page
	RECT   rect;    // frame buffer rectangular area

	//--------------- Initialize the left half of title  ------------------------

	// load image into the frame buffer
	rect.x = IMG_T_LEFT_X;
	rect.y = IMG_T_LEFT_Y;
	rect.w = IMG_T_LEFT_WW;
	rect.h = IMG_T_LEFT_H;
	LoadImage(&rect, imgT_left);

	// load the palette into the frame buffer
	rect.x = PAL_T_LEFT_X;
	rect.y = PAL_T_LEFT_Y;
	rect.w = PAL_T_LEFT_WW;
	rect.h = 1;
	LoadImage(&rect, palT_left);

	// get the texture page for the image
	tpage = GetTPage(2, 0, IMG_T_LEFT_X, IMG_T_LEFT_Y);

	InitSprite( (object_ptr)&t_left.sprite,IMG_T_LEFT_ATTR,0,0,160,240,tpage,0,0,PAL_T_LEFT_X,
					PAL_T_LEFT_Y,0x80,0x80,0x80,0,0,ONE,ONE,0 );
	
	//--------------- Initialize the right half of title  -----------------------

	// load image into the frame buffer
	rect.x = IMG_T_RIGHT_X;
	rect.y = IMG_T_RIGHT_Y;
	rect.w = IMG_T_RIGHT_WW;
	rect.h = IMG_T_RIGHT_H;
	LoadImage(&rect, imgT_right);

	// load palette into the frame buffer
	rect.x = PAL_T_RIGHT_X;
	rect.y = PAL_T_RIGHT_Y;
	rect.w = PAL_T_RIGHT_WW;
	rect.h = 1;
	LoadImage(&rect, palT_right);

	// get the texture page for the image
	tpage = GetTPage(2, 0, IMG_T_RIGHT_X, IMG_T_RIGHT_Y);

	InitSprite( (object_ptr)&t_right.sprite,IMG_T_RIGHT_ATTR,160,0,160,240,tpage,0,0,PAL_T_RIGHT_X,
					PAL_T_RIGHT_Y,0x80,0x80,0x80,0,0,ONE,ONE,0 );

	printf("Init title screen complete \n");

 }// end InitTitleScreen



//------------------------------------------------------------------------------
// Function: InitStoryScreen()
// Description: Initialize members for the story screen
// Parameters: none
// Returns: void
// Notes: Using tga2img by Mario Perdue
//------------------------------------------------------------------------------

void InitStoryScreen( void )
 {

	u_short	tpage;	// texture page
	RECT   rect;    // frame buffer rectangular area

	//--------------- Initialize the left half of screen ------------------------

	// load image into the frame buffer
	rect.x = IMG_S_LEFT_X;
	rect.y = IMG_S_LEFT_Y;
	rect.w = IMG_S_LEFT_WW;
	rect.h = IMG_S_LEFT_H;
	LoadImage(&rect, imgS_left);

	// load the palette into the frame buffer
	rect.x = PAL_S_LEFT_X;
	rect.y = PAL_S_LEFT_Y;
	rect.w = PAL_S_LEFT_WW;
	rect.h = 1;
	LoadImage(&rect, palS_left);

	// get the texture page for the mage
	tpage = GetTPage(2, 0, IMG_S_LEFT_X, IMG_S_LEFT_Y);

	InitSprite( (object_ptr)&s_left.sprite,IMG_S_LEFT_ATTR,0,0,160,240,tpage,0,0,PAL_S_LEFT_X,
					PAL_S_LEFT_Y,0x80,0x80,0x80,0,0,ONE,ONE,0 );
	
	//--------------- Initialize the right half of screen -----------------------

	// load image into the frame buffer
	rect.x = IMG_S_RIGHT_X;
	rect.y = IMG_S_RIGHT_Y;
	rect.w = IMG_S_RIGHT_WW;
	rect.h = IMG_S_RIGHT_H;
	LoadImage(&rect, imgS_right);

	// load the palette into the frame buffer
	rect.x = PAL_S_RIGHT_X;
	rect.y = PAL_S_RIGHT_Y;
	rect.w = PAL_S_RIGHT_WW;
	rect.h = 1;
	LoadImage(&rect, palS_right);

	// get the texture page for the image
	tpage = GetTPage(2, 0, IMG_S_RIGHT_X, IMG_S_RIGHT_Y);

	InitSprite( (object_ptr)&s_right.sprite,IMG_S_RIGHT_ATTR,160,0,160,240,tpage,0,0,PAL_S_RIGHT_X,
					PAL_S_RIGHT_Y,0x80,0x80,0x80,0,0,ONE,ONE,0 );
	
	printf("Init story screen complete \n");

 }// end InitStoryScreen


//------------------------------------------------------------------------------
// Function: InitCityScreen()
// Description: Initialize members for city image
// Parameters: none
// Returns: void
// Notes: Using tga2img by Mario Perdue
//------------------------------------------------------------------------------

void InitCityScreen( void )
 {

	u_short	tpage;	// texture page
	RECT   rect;    // frame buffer rectangular area

	//--------------- Initialize the left half of screen ------------------------
	
	// load image into the frame buffer
	rect.x = IMG_C_LEFT_X;
	rect.y = IMG_C_LEFT_Y;
	rect.w = IMG_C_LEFT_WW;
	rect.h = IMG_C_LEFT_H;
	LoadImage(&rect, imgC_left);

	// load the palette into the frame buffer
	rect.x = PAL_C_LEFT_X;
	rect.y = PAL_C_LEFT_Y;
	rect.w = PAL_C_LEFT_WW;
	rect.h = 1;
	LoadImage(&rect, palC_left);

	// get the texture page for the mage
	tpage = GetTPage(2, 0, IMG_C_LEFT_X, IMG_C_LEFT_Y);

	InitSprite( (object_ptr)&c_left.sprite,IMG_C_LEFT_ATTR,0,0,160,240,tpage,0,0,PAL_C_LEFT_X,
					PAL_C_LEFT_Y,0x80,0x80,0x80,0,0,ONE,ONE,0 );

	printf("Loaded city screen left\n");

	//--------------- Initialize the right half of screen -----------------------

	// load image into the frame buffer
	rect.x = IMG_C_RIGHT_X;
	rect.y = IMG_C_RIGHT_Y;
	rect.w = IMG_C_RIGHT_WW;
	rect.h = IMG_C_RIGHT_H;
	
	LoadImage(&rect, imgC_right);

	// load the palette into the frame buffer
	rect.x = PAL_C_RIGHT_X;
	rect.y = PAL_C_RIGHT_Y;
	rect.w = PAL_C_RIGHT_WW;
	rect.h = 1;
    
	LoadImage(&rect, palC_right);

	// get the texture page for the image
	tpage = GetTPage(2, 0, IMG_C_RIGHT_X, IMG_C_RIGHT_Y);

	InitSprite( (object_ptr)&c_right.sprite,IMG_C_RIGHT_ATTR,160,0,160,240,tpage,0,0,PAL_C_RIGHT_X,
					PAL_C_RIGHT_Y,0x80,0x80,0x80,0,0,ONE,ONE,0 );

	printf("Loaded city screen right\n");
	printf("Init city screen complete \n");

 }// end InitCityScreen



//------------------------------------------------------------------------------
// Function: DrawStoryScreen()
// Description: Register story screen image in OT
// Parameters: none
// Returns: void
// Notes: N/A
//------------------------------------------------------------------------------

void DrawStoryScreen( void )
 {
	GsSortFastSprite( &s_left.sprite, &world_ordering_table[output_buffer_index], 0 );
	GsSortFastSprite( &s_right.sprite, &world_ordering_table[output_buffer_index], 0 );
 }


//------------------------------------------------------------------------------
// Function: DrawTitleScreen()
// Description: Register title screen image in OT
// Parameters: none
// Returns: void
// Notes: N/A
//------------------------------------------------------------------------------

void DrawTitleScreen( void )
 {
	GsSortFastSprite( &t_left.sprite, &world_ordering_table[output_buffer_index], 0 );
	GsSortFastSprite( &t_right.sprite, &world_ordering_table[output_buffer_index], 0 );
 }


//------------------------------------------------------------------------------
// Function: DrawCityScreen()
// Description: Register city screen image in OT
// Parameters: none
// Returns: void
// Notes: Special thanks to Colin of (SCEE) for clearing this up 
//------------------------------------------------------------------------------

void DrawCityScreen( void )
 {
	
	c_left.sprite.x = game_info.scroll_counter;
	GsSortFastSprite( &c_left.sprite, &world_ordering_table[output_buffer_index], 0 );
	
	c_right.sprite.x = game_info.scroll_counter + (SCREEN_WIDTH/2);
	GsSortFastSprite( &c_right.sprite, &world_ordering_table[output_buffer_index], 0 );
	
	c_left.sprite.x = game_info.scroll_counter + SCREEN_WIDTH;
	GsSortFastSprite( &c_left.sprite, &world_ordering_table[output_buffer_index], 0 );
	
	c_right.sprite.x = game_info.scroll_counter + SCREEN_WIDTH + (SCREEN_WIDTH/2);
	GsSortFastSprite( &c_right.sprite, &world_ordering_table[output_buffer_index], 0 );
 
 }// end DrawCityScreen


//-----------------------------------EOF----------------------------------------