shop.cpp

After decades of war one company, who had gained powerful supplying both sides with weaponary, steps

/*
Copyright (C) 2003 Parallel Realities

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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include "shop.h"

void drawSecondaryWeaponSurface()
{
	char description[50];
	strcpy(description, "");

	graphics.drawString("Secondary Weapon", 10, 3, FONT_WHITE, graphics.shopSurface[2]);

	switch (player.weaponType[1])
	{
		case W_NONE:
			strcpy(description, "Type : None");
			break;
		case W_ROCKETS:
			strcpy(description, "Type : Rockets");
			break;
		case W_DOUBLE_ROCKETS:
			strcpy(description, "Type : Dbl Rockets");
			break;
		case W_MICRO_ROCKETS:
			strcpy(description, "Type : Micro Rockets");
			break;
		case W_LASER:
			strcpy(description, "Type : Laser");
			break;
		case W_CHARGER:
			strcpy(description, "Type : Charger");
			break;
		case W_HOMING_MISSILE:
			strcpy(description, "Type : Homing Missile");
			break;
		case W_DOUBLE_HOMING_MISSILES:
			strcpy(description, "Type : Dbl Homing Missiles");
			break;
		case W_MICRO_HOMING_MISSILES:
			strcpy(description, "Type : Mcr Homing Missiles");
			break;
	}
	graphics.drawString(description, 10, 22, FONT_WHITE, graphics.shopSurface[2]);

	if ((player.weaponType[1] != W_LASER) && (player.weaponType[1] != W_CHARGER) && (player.weaponType[1] != W_NONE))
	{
		sprintf(description, "Capacity : %d", currentGame.maxRocketAmmo);
		graphics.drawString(description, 10, 37, FONT_WHITE, graphics.shopSurface[2]);
	}
}

void adjustShopPrices()
{
	shopItems[0].price = (500 * currentGame.maxPlasmaOutput);
	shopItems[1].price = (500 * currentGame.maxPlasmaDamage);
	shopItems[2].price = (500 * (16 - currentGame.maxPlasmaRate));

	shopItems[5].price = (2000 * weapon[0].ammo[0]);
	shopItems[6].price = (2000 * weapon[0].damage);
	shopItems[7].price = (2000 * (16 - weapon[0].reload[0]));

	shopItems[8].price = (5 * currentGame.maxPlasmaAmmo);
	shopItems[9].price = (25 * currentGame.maxRocketAmmo);
	
	if (currentGame.maxPlasmaOutput == 5)
		shopItems[0].price = 0;

	if (currentGame.maxPlasmaDamage == 5)
		shopItems[1].price = 0;

	if (currentGame.maxPlasmaRate == 7)
		shopItems[2].price = 0;
		
	if (weapon[0].ammo[0] == 3)
		shopItems[5].price = 0;

	if (weapon[0].damage == 3)
		shopItems[6].price = 0;

	if (weapon[0].reload[0] == 11)
		shopItems[7].price = 0;
}

void drawShop()
{
	adjustShopPrices();

	for (int i = 0 ; i < MAX_SHOPSHAPES ; i++)
	{
		if (graphics.shopSurface[i] != NULL)
		{
			SDL_FreeSurface(graphics.shopSurface[i]);
		}
	}

	for (int i = 0 ; i < 3 ; i++)
		graphics.shopSurface[i] = graphics.createSurface(246, 91);

	for (int i = 0 ; i < 3 ; i++)
	{
		graphics.blevelRect(graphics.shopSurface[i], 0, 0, 245, 90, 0x00, 0x00, 0x55);
		graphics.blevelRect(graphics.shopSurface[i], 0, 0, 245, 20, 0x00, 0x00, 0x99);
	}

	graphics.shopSurface[4] = graphics.alphaRect(601, 101, 0x00, 0x00, 0x00);
	graphics.blevelRect(graphics.shopSurface[4], 0, 0, 600, 100, 0x00, 0x00, 0x33);

	switch (shopSelectedItem)
	{
		case -1:
		case -2:
		case -3:
		case -4:
		case -5:
		case -6:
			break;
		case 0:
		case 1:
		case 2:
		case 8:
			graphics.blevelRect(graphics.shopSurface[1], 0, 0, 245, 90, 0x55, 0x00, 0x00);
			graphics.blevelRect(graphics.shopSurface[1], 0, 0, 245, 20, 0x99, 0x00, 0x00);
			break;
		case 3:
		case 4:
			graphics.blevelRect(graphics.shopSurface[4], 0, 0, 600, 100, 0x33, 0x00, 0x00);
			break;
		case 5:
		case 6:
		case 7:
			graphics.blevelRect(graphics.shopSurface[0], 0, 0, 245, 90, 0x55, 0x00, 0x00);
			graphics.blevelRect(graphics.shopSurface[0], 0, 0, 245, 20, 0x99, 0x00, 0x00);
			break;
		default:
			graphics.blevelRect(graphics.shopSurface[2], 0, 0, 245, 90, 0x55, 0x00, 0x00);
			graphics.blevelRect(graphics.shopSurface[2], 0, 0, 245, 20, 0x99, 0x00, 0x00);
			break;
	}

	char description[100];
	strcpy(description, "");

	graphics.drawString("Primary Weapon", 10, 3, FONT_WHITE, graphics.shopSurface[0]);
	sprintf(description, "Plasma Cannons : %d", weapon[0].ammo[0]);
	graphics.drawString(description, 10, 22, FONT_WHITE, graphics.shopSurface[0]);
	sprintf(description, "Plasma Power   : Stage %d", weapon[0].damage);
	graphics.drawString(description, 10, 37, FONT_WHITE, graphics.shopSurface[0]);
	sprintf(description, "Cooler         : Stage %d", ((15 - weapon[0].reload[0]) / 2) + 1);
	graphics.drawString(description, 10, 52, FONT_WHITE, graphics.shopSurface[0]);

	graphics.drawString("Powerup Weapon", 10, 3, FONT_WHITE, graphics.shopSurface[1]);
	sprintf(description, "Plasma Output    : Stage %d", currentGame.maxPlasmaOutput);
	graphics.drawString(description, 10, 22, FONT_WHITE, graphics.shopSurface[1]);
	sprintf(description, "Plasma Condensor : Stage %d", currentGame.maxPlasmaDamage);
	graphics.drawString(description, 10, 37, FONT_WHITE, graphics.shopSurface[1]);
	sprintf(description, "Liquid Nitrogen  : Stage %d", ((15 - currentGame.maxPlasmaRate) / 2) + 1);
	graphics.drawString(description, 10, 52, FONT_WHITE, graphics.shopSurface[1]);
	sprintf(description, "Plasma Capacity  : %d", currentGame.maxPlasmaAmmo);
	graphics.drawString(description, 10, 67, FONT_WHITE, graphics.shopSurface[1]);

	drawSecondaryWeaponSurface();

	graphics.shopSurface[3] = graphics.createSurface(601, 121);

	graphics.blevelRect(graphics.shopSurface[3], 0, 0, 600, 120, 0x00, 0x00, 0x22);

	graphics.drawString("Temporary Weapons", 10, 2, FONT_WHITE, graphics.shopSurface[3]);
	graphics.drawString("Ammo and Storage", 260, 2, FONT_WHITE, graphics.shopSurface[3]);

	graphics.drawString("Primary Weapons", 10, 62, FONT_WHITE, graphics.shopSurface[3]);

	graphics.drawString("Secondary Weapons", 260, 62, FONT_WHITE, graphics.shopSurface[3]);

	signed char icons = MAX_SHOPITEMS;

	if (currentGame.system == 0)
		icons = 11;
	else if (currentGame.system == 1)
		icons = 13;
	else if (currentGame.system == 2)
		icons = 15;

	for (int i = 0 ; i < icons ; i++)
		graphics.blit(graphics.shape[shopItems[i].image], shopItems[i].x - 90, shopItems[i].y - 178, graphics.shopSurface[3]);

	sprintf(description, "Shield Units : %d", currentGame.shieldUnits * 25);
	graphics.drawString(description, 10, 4, FONT_WHITE, graphics.shopSurface[4]);
	sprintf(description, "Cash : $%d", currentGame.cash);
	graphics.drawString(description, 10, 80, FONT_WHITE, graphics.shopSurface[4]);
	sprintf(description, "Plasma Cells : %.3d", player.ammo[0]);
	graphics.drawString(description, 430, 4, FONT_WHITE, graphics.shopSurface[4]);
	sprintf(description, "Rockets : %.3d", player.ammo[1]);
	graphics.drawString(description, 475, 80, FONT_WHITE, graphics.shopSurface[4]);

	graphics.shopSurface[5] = graphics.createSurface(601, 56);
	graphics.blevelRect(graphics.shopSurface[5], 0, 0, 600, 35, 0x00, 0x99, 0x00);
	graphics.blevelRect(graphics.shopSurface[5], 0, 20, 600, 35, 0x00, 0x33, 0x00);
	graphics.drawString("Information", 5, 4, FONT_WHITE, graphics.shopSurface[5]);

	switch (shopSelectedItem)
	{
		case -1:
			break;
		case -2:
			graphics.drawString("You don't have enough money", 20, 30, FONT_WHITE, graphics.shopSurface[5]);
			break;
		case -3:
			graphics.drawString("Cannot upgrade ship", 5, 22, FONT_WHITE, graphics.shopSurface[5]);
			graphics.drawString("Hardware capacity has been reached", 20, 38, FONT_CYAN, graphics.shopSurface[5]);
			break;
		case -4:
			graphics.drawString("Ammunition limit reached", 20, 30, FONT_WHITE, graphics.shopSurface[5]);
			break;
		case -5:
			graphics.drawString("You cannot sell that item", 20, 30, FONT_WHITE, graphics.shopSurface[5]);
			break;
		case -6:
			graphics.drawString("Nothing to sell", 20, 30, FONT_WHITE, graphics.shopSurface[5]);
			break;
		case -7:
			graphics.drawString("Rockets cannot be bought for Laser or Charger Cannon", 5, 30, FONT_WHITE, graphics.shopSurface[5]);
			break;
		case -8:
			graphics.drawString("You already have that weapon", 20, 30, FONT_WHITE, graphics.shopSurface[5]);
			break;
		case -9:
			graphics.drawString("This weapon's ammo limit has been reached", 20, 30, FONT_WHITE, graphics.shopSurface[5]);
			break;
		default:
			if (shopItems[shopSelectedItem].price != 0)
			{
				sprintf(description, "%s ($%d)", shopItems[shopSelectedItem].description, shopItems[shopSelectedItem].price);
			}
			else
			{
				sprintf(description, "%s (N/A)", shopItems[shopSelectedItem].description);
			}
			graphics.drawString(shopItems[shopSelectedItem].name, 5, 22, FONT_WHITE, graphics.shopSurface[5]);
			graphics.drawString(description, 20, 38, FONT_CYAN, graphics.shopSurface[5]);
			break;
	}
}

#if USEPACK

void loadShop()
{
	char name[255], description[255];
	int price, image, x, y;

	FILE *fp;

	#if USEPACK
	int dataLocation = locateDataInPak("data/shop.dat", 1);
	fp = fopen(PACKLOCATION, "rb");
	fseek(fp, dataLocation, SEEK_SET);
	#else
	fp = fopen("data/shop.dat", "rb");
	#endif

	for (int i = 0 ; i < MAX_SHOPITEMS ; i++)
	{
		fscanf(fp, "%[^\n]%*c", name);
		fscanf(fp, "%[^\n]%*c", description);
		fscanf(fp, "%d", &price);
		fscanf(fp, "%d", &image);
		fscanf(fp, "%d", &x);
		fscanf(fp, "%d%*c", &y);

		strcpy(shopItems[i].name, name);
		strcpy(shopItems[i].description, description);
		shopItems[i].price = price;
		shopItems[i].image = image;
		shopItems[i].x = x;
		shopItems[i].y = y;
	}

	fclose(fp);

	shopSelectedItem = -1;

	player.image[0] = graphics.shape[0];
	player.x = 380;
	player.y = 95;

	drawShop();
}

void initShop(){loadShop();}

#else

void saveShop()
{
	FILE *fp;

	fp = fopen("data/shop.dat", "wb");
	if (fp == NULL)
	{
		printf("Unable to write Shop Data File\n");
		exit(1);
	}

	for (int i = 0 ; i < MAX_SHOPITEMS ; i++)
	{
		fprintf(fp, "%s\n", shopItems[i].name);
		fprintf(fp, "%s\n", shopItems[i].description);
		fprintf(fp, "%d ", shopItems[i].price);
		fprintf(fp, "%d ", shopItems[i].image);
		fprintf(fp, "%d ", shopItems[i].x);
		fprintf(fp, "%d\n", shopItems[i].y);
	}

	// Put an extra line for the PAK file "just in case"
	fprintf(fp, "\n");

	fclose(fp);
}

/*
Throw into a data file in final build
*/
void initShop()
{
	/* ----------- Temporary Items ----------- */

	shopItems[0].price = 1000;
	strcpy(shopItems[0].name, "Plasma channel splitter");
	strcpy(shopItems[0].description, "Improves poweredup plasma output");
	shopItems[0].image = 9;

	shopItems[1].price = 1000;
	strcpy(shopItems[1].name, "Plasma capacity condensor");
	strcpy(shopItems[1].description, "Increases poweredup plasma damage");
	shopItems[1].image = 10;

	shopItems[2].price = 1000;
	strcpy(shopItems[2].name, "Liquid nitrogen capsules");
	strcpy(shopItems[2].description, "Increases plasma firing rate");
	shopItems[2].image = 11;

	shopItems[3].price = 50;
	strcpy(shopItems[3].name, "10 Plasma cells");
	strcpy(shopItems[3].description, "Plasma ammunition");
	shopItems[3].image = 12;

	shopItems[4].price = 50;
	strcpy(shopItems[4].name, "Rocket Ammo");
	strcpy(shopItems[4].description, "High velocity dumb fire rocket");
	shopItems[4].image = 13;

	/* ----------- Permanent Items ----------- */

	shopItems[5].price = 2000;
	strcpy(shopItems[5].name, "Additional Plasma Cannon");
	strcpy(shopItems[5].description, "Adds an extra plasma cannon to the Firefly");
	shopItems[5].image = 14;

	shopItems[6].price = 2000;
	strcpy(shopItems[6].name, "Plasma Power Booster");
	strcpy(shopItems[6].description, "Increases power of plasma shots");
	shopItems[6].image = 15;

	shopItems[7].price = 2000;
	strcpy(shopItems[7].name, "Plasma Cooling Booster");
	strcpy(shopItems[7].description, "Permanently increases firing rate");
	shopItems[7].image = 16;

	/* ----------- Ammo Items -------------- */