/*
 * Seven Kingdoms: Ancient Adversaries
 *
 * Copyright 1997,1998 Enlight Software Ltd.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

//Filename    : OF_RESE.CPP
//Description : Firm Magic Tower

#include <OINFO.h>
#include <OVGA.h>
#include <ODATE.h>
#include <OSTR.h>
#include <ONEWS.h>
#include <OFONT.h>
#include <OCONFIG.h>
#include <OBUTT3D.h>
#include <OMOUSE.h>
#include <OSYS.h>
#include <OPOWER.h>
#include <OUNIT.h>
#include <OGAME.h>
#include <ONATION.h>
#include <OTECHRES.h>
#include <OF_RESE.h>
#include <OREMOTE.h>
#include <OSE.h>
#include <OSERES.h>
#include <OBUTTCUS.h>

//------------- Define constant ------------//

#define MAX_RESEARCH_OPTION		6
#define RESEARCH_OPTION_HEIGHT 	48

//---------- Define constant ------------//

enum { RESEARCH_MENU_MAIN,
		 RESEARCH_MENU_RESEARCH,
	  };

//----------- Define static vars -------------//

static Button3D button_select_research;
static char     research_menu_mode;
static char     disable_refresh=0;
static ButtonCustom	button_research_array[MAX_RESEARCH_OPTION];
// ######## begin Gilbert 16/8 ######//
static ButtonCustom	button_cancel;
// ######## end Gilbert 16/8 ######//
static int added_count;			// no. of buttons in button_research_array

//---------- Declare static functions ---------//

static void i_disp_research_button(ButtonCustom *, int);

//--------- Begin of function FirmResearch::FirmResearch ---------//
//
FirmResearch::FirmResearch()
{
	firm_skill_id = SKILL_RESEARCH;
}
//----------- End of function FirmResearch::FirmResearch -----------//


//--------- Begin of function FirmResearch::~FirmResearch ---------//
//
FirmResearch::~FirmResearch()
{
	terminate_research();
}
//----------- End of function FirmResearch::~FirmResearch -----------//


//--------- Begin of function FirmResearch::init_derived ---------//
//
void FirmResearch::init_derived()
{
	tech_id = 0;				   // the id. of the tech this firm is currently researching
	complete_percent = (float) 0;		// percent completed on researching the current technology
}
//----------- End of function FirmResearch::init_derived -----------//


//--------- Begin of function FirmResearch::put_info ---------//
//
void FirmResearch::put_info(int refreshFlag)
{
	if( refreshFlag==INFO_REPAINT && !disable_refresh )
		research_menu_mode = RESEARCH_MENU_MAIN;

	switch( research_menu_mode )
	{
		case RESEARCH_MENU_MAIN:
			disp_main_menu(refreshFlag);
			break;

		case RESEARCH_MENU_RESEARCH:
			disp_research_menu(refreshFlag);
			break;
	}
}
//----------- End of function FirmResearch::put_info -----------//


//--------- Begin of function FirmResearch::detect_info ---------//
//
void FirmResearch::detect_info()
{
	switch( research_menu_mode )
	{
		case RESEARCH_MENU_MAIN:
			detect_main_menu();
			break;

		case RESEARCH_MENU_RESEARCH:
			detect_research_menu();
			break;
	}
}
//----------- End of function FirmResearch::detect_info -----------//


//--------- Begin of function FirmResearch::disp_main_menu ---------//
//
void FirmResearch::disp_main_menu(int refreshFlag)
{
	disp_basic_info(INFO_Y1, refreshFlag);

	if( !should_show_info() )
		return;

	disp_research_info(INFO_Y1+54, refreshFlag);

	disp_worker_list(INFO_Y1+107, refreshFlag);

	disp_worker_info(INFO_Y1+171, refreshFlag);

	if( own_firm() )
	{
		if( refreshFlag==INFO_REPAINT )
			button_select_research.paint( INFO_X1, INFO_Y1+235, 'A', "RESEARCH" );
	}

	disp_spy_button( INFO_X1+BUTTON_ACTION_WIDTH, INFO_Y1+235, refreshFlag );
}
//----------- End of function FirmResearch::disp_main_menu -----------//


//--------- Begin of function FirmResearch::detect_main_menu ---------//
//
void FirmResearch::detect_main_menu()
{
	//-------- detect basic info -----------//

	if( detect_basic_info() )
		return;

	//----------- detect worker -----------//

	if( detect_worker_list() )
	{
		disp_research_info(INFO_Y1+54, INFO_UPDATE);
		disp_worker_info(INFO_Y1+171, INFO_UPDATE);
	}

	//-------- detect spy button ----------//

	detect_spy_button();

	if( !own_firm() )
		return;

	//------ detect the select research button -------//

	if( button_select_research.detect() )
	{
		research_menu_mode = RESEARCH_MENU_RESEARCH;
		disable_refresh = 1;    // static var for disp_info() only
		info.disp();
		disable_refresh = 0;
	}
}
//----------- End of function FirmResearch::detect_main_menu -----------//


//--------- Begin of function FirmResearch::disp_research_menu ---------//
//
void FirmResearch::disp_research_menu(int refreshFlag)
{
	if( refreshFlag != INFO_REPAINT )
		return;

	int techId, y=INFO_Y1;
	added_count=0;

	for( techId=1 ; techId<=tech_res.tech_count ; techId++ )
	{
		if( !tech_res[techId]->can_research(nation_recno) )
			continue;

		if( added_count < MAX_RESEARCH_OPTION )
		{
			button_research_array[added_count].paint(INFO_X1, y, INFO_X2, y+RESEARCH_OPTION_HEIGHT-2,
				i_disp_research_button, ButtonCustomPara(this, techId) );
			added_count++;
			y += RESEARCH_OPTION_HEIGHT;
		}
	}

	// ###### begin Gilbert 16/8 ######//
	// button_cancel.paint(INFO_X1, y, "CANCEL1", "CANCEL1D" );
	button_cancel.paint(INFO_X1, y, INFO_X2, y+RESEARCH_OPTION_HEIGHT*3/4,
		ButtonCustom::disp_text_button_func, ButtonCustomPara((void*)"Cancel",0) );
	// ###### end Gilbert 16/8 ######//
}
//----------- End of function FirmResearch::disp_research_menu -----------//


//--------- Begin of function FirmResearch::detect_research_menu ---------//
//
void FirmResearch::detect_research_menu()
{
	int i;
	for( i = 0; i < added_count; ++i )
	{
		if(button_research_array[i].detect() )
		{
			int techId = button_research_array[i].custom_para.value;
			if( tech_res[techId]->can_research(nation_recno) )
			{
				start_research(techId, COMMAND_PLAYER);
				// ##### begin Gilbert 25/9 ######//
				se_ctrl.immediate_sound("TURN_ON");
				// ##### end Gilbert 25/9 ######//

				research_menu_mode = RESEARCH_MENU_MAIN;
				info.disp();
			}
			else
			{
				// ##### begin Gilbert 25/9 ######//
				se_ctrl.immediate_sound("TURN_OFF");
				// ##### end Gilbert 25/9 ######//
			}
			break;
		}
	}

	//------ detect the cancel button --------//

	if( i >= added_count )		// no research button has been pressed
	{
		if( button_cancel.detect() )
		{
			// ##### begin Gilbert 25/9 ######//
			se_ctrl.immediate_sound("TURN_OFF");
			// ##### end Gilbert 25/9 ######//
			research_menu_mode = RESEARCH_MENU_MAIN;
			info.disp();
		}
	}
}
//----------- End of function FirmResearch::detect_research_menu -----------//


//-------- Begin of static function i_disp_research_button --------//
//
void i_disp_research_button(ButtonCustom *button, int repaintBody)
{
	int x1 = button->x1;
	int y1 = button->y1;
	int x2 = button->x2;
	int y2 = button->y2;

	if( button->pushed_flag )
	{
		vga.d3_panel2_down(x1, y1, x2, y2);
		x1++;
		y1++;
	}
	else
	{
		vga.d3_panel2_up(x1, y1, x2, y2);
		x2--;
		y2--;
	}

	//--------------------------------------------//

	TechInfo* techInfo = tech_res[button->custom_para.value];

	// Vga::active_buf->d3_panel_down(x1+2, y1+2, x1+TECH_LARGE_ICON_WIDTH+7, y1+TECH_LARGE_ICON_HEIGHT+7, 2, 0 );
	Vga::active_buf->put_bitmap(x1+4, y1+4, techInfo->tech_large_icon() );

	//------ display research description -------//

	String str;

	str = techInfo->tech_des();

	Firm *firmPtr = (Firm *) button->custom_para.ptr;
	int researchVersion = techInfo->get_nation_tech_level(firmPtr->nation_recno)+1;		// research the next non-researched version

	if( researchVersion > 1 )
	{
		str += " ";
		str += m.roman_number(researchVersion);
	}

	font_bible.put( x1+TECH_LARGE_ICON_WIDTH+12, y1+14, str );
}
//--------- End of static function i_disp_research_button ---------//


//--------- Begin of function FirmResearch::disp_research_info ---------//
//
void FirmResearch::disp_research_info(int dispY1, int refreshFlag)
{
	static short lastTechId=0;

	if( refreshFlag==INFO_UPDATE && lastTechId != tech_id )
	{
		lastTechId = tech_id;
		info.disp();
	}

	//---------------- paint the panel --------------//

	if( refreshFlag == INFO_REPAINT )
		vga.d3_panel_up( INFO_X1, dispY1, INFO_X2, dispY1+50 );

	if( !tech_id )
		return;

	int x=INFO_X1+4, y=dispY1+4;

	//-------- display the icon of the researching item ---------//

	TechInfo* techInfo = tech_res[tech_id];

	if( refreshFlag == INFO_REPAINT )
	{
		vga.d3_panel_down( x, y, x+TECH_LARGE_ICON_WIDTH+3, y+TECH_LARGE_ICON_HEIGHT+3, 2 );
		vga_front.put_bitmap( x+2, y+2, techInfo->tech_large_icon() );

		//----------- display text ------------//

		x += TECH_LARGE_ICON_WIDTH+10;

		String str;

		str  = techInfo->tech_des();

		int researchVersion = techInfo->get_nation_tech_level(nation_recno)+1;		// research the next non-researched version

		if( researchVersion > 1 )
		{
			str += " ";
			str += m.roman_number(researchVersion);
		}

		font_san.put( x, y+4, str);
	}
	else
	{
		x += TECH_LARGE_ICON_WIDTH+10;
	}

	vga_front.indicator( 0, x-2, y+21, techInfo->get_progress(nation_recno), (float)100, VGA_GRAY );
}
//----------- End of function FirmResearch::disp_research_info -----------//


//--------- Begin of function FirmResearch::next_day ---------//
//
void FirmResearch::next_day()
{
	//----- call next_day() of the base class -----//

	Firm::next_day();

	//----------- update population -------------//

	recruit_worker();

	//-------- train up the skill ------------//

	update_worker();

	//--------- calculate productivity ----------//

	calc_productivity();

	//--------- process research ----------//

	process_research();
}
//----------- End of function FirmResearch::next_day -----------//


//------- Begin of function FirmResearch::change_nation ---------//
//
void FirmResearch::change_nation(int newNationRecno)
{
	terminate_research();

	//-------- change the nation of this firm now ----------//

	Firm::change_nation(newNationRecno);
}
//-------- End of function FirmResearch::change_nation ---------//


//--------- Begin of function FirmResearch::start_research --------//
//
// Start researching on the specific technology.
//
// <int> techId - id. of the technology to research.
//
void FirmResearch::start_research(int techId, char remoteAction)
{
	TechInfo* techInfo = tech_res[techId];

	err_when( !techInfo->can_research(nation_recno) );

	if( !remoteAction && remote.is_enable())
	{
		// packet structure : <firm recno> <tech Id>
		short *shortPtr = (short *)remote.new_send_queue_msg(MSG_F_RESEARCH_START, 2*sizeof(short) );
		shortPtr[0] = firm_recno;
		shortPtr[1] = (short) techId;
		return;
	}

	//---- if the firm currently is already researching something ---//

	if( tech_id )
		terminate_research();

	//-------- set self parameters ---------//

	tech_id = techId;

	//------- set TechRes parameters -------//

	techInfo->inc_nation_is_researching(nation_recno);
}
//----------- End of function FirmResearch::start_research ---------//


//--------- Begin of function FirmResearch::process_research --------//
//
// Process the current research.
//
void FirmResearch::process_research()
{
	if( !tech_id )
		return;

	//------- make a progress with the research ------//

	TechInfo* techInfo = tech_res[tech_id];
	float		 progressPoint;

	if( config.fast_build && nation_recno==nation_array.player_recno )
		progressPoint = (float) productivity / 100 + (float) 0.5;
	else
		progressPoint = (float) productivity / 300;

	int 	newLevel 	 = techInfo->get_nation_tech_level(nation_recno)+1;
	float levelDivider = ((float)(newLevel+1)/2);		// from 1.0 to 2.0

	progressPoint = progressPoint * (float) 30
						 / techInfo->complex_level
						 / levelDivider;					// more complex and higher level technology will take longer to research

	int techId = tech_id;		// techInfo->progress() will reset tech_id if the current research level is the max tech level, so we have to save it now

	if( techInfo->progress(nation_recno, progressPoint) )
	{
		if( tech_id )			// TechRes::progress() may have called terminate_research() if the tech level reaches the maximum
		{
			int techId = tech_id;

			research_complete();

			//----- research next level technology automatically -----//

			if( !firm_ai )		// for player's firm only
			{
				if( techInfo->get_nation_tech_level(nation_recno) < techInfo->max_tech_level )
				{
					start_research( techId, COMMAND_AUTO );

					if( firm_recno == firm_array.selected_recno )
						info.disp();
				}
			}
		}

		//--------- add news ---------//

		if( own_firm() )
		{
			news_array.tech_researched( techId, tech_res[techId]->get_nation_tech_level(nation_recno) );

			se_res.far_sound(center_x, center_y, 1, 'F', firm_id, "FINS", 
				'S', unit_res[tech_res[techId]->unit_id]->sprite_id);
		}
	}
}
//----------- End of function FirmResearch::process_research ---------//


//--------- Begin of function FirmResearch::research_complete --------//
//
void FirmResearch::research_complete()
{
	short techId = tech_id;         // backup tech_id

	tech_res[tech_id]->dec_nation_is_researching(nation_recno);

	tech_id = 0;         		// reset parameters
	complete_percent = (float) 0;
}
//----------- End of function FirmResearch::research_complete ---------//


//--------- Begin of function FirmResearch::terminate_research --------//
//
void FirmResearch::terminate_research()
{
	if( !tech_id )
		return;

	tech_res[tech_id]->dec_nation_is_researching(nation_recno);

	tech_id = 0;         		// reset parameters
	complete_percent = (float) 0;
}
//----------- End of function FirmResearch::terminate_research ---------//