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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.fourisland.frigidearth;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;
import java.util.Random;
/**
*
* @author hatkirby
*/
public class MapViewGameState implements GameState
{
private final int TILE_WIDTH = 16;
private final int TILE_HEIGHT = 16;
private final int GAME_WIDTH = 100;
private final int GAME_HEIGHT = 100;
private final int VIEWPORT_WIDTH = Main.GAME_WIDTH / TILE_WIDTH;
private final int VIEWPORT_HEIGHT = Main.GAME_HEIGHT / TILE_HEIGHT;
private final int ROOM_MAX_SIZE = 10;
private final int ROOM_MIN_SIZE = 6;
private final int MAX_ROOMS = 30;
private boolean[][] grid;
private int playerx = 4;
private int playery = 4;
private int viewportx = 0;
private int viewporty = 0;
public MapViewGameState()
{
grid = new boolean[GAME_WIDTH][GAME_HEIGHT];
for (int x=0; x<GAME_WIDTH; x++)
{
for (int y=0; y<GAME_HEIGHT; y++)
{
grid[x][y] = true;
}
}
Rectangle[] rooms = new Rectangle[MAX_ROOMS];
int numRooms = 0;
Random r = new Random();
for (int i=0; i<MAX_ROOMS; i++)
{
int w = r.nextInt(ROOM_MAX_SIZE - ROOM_MIN_SIZE + 1) + ROOM_MIN_SIZE;
int h = r.nextInt(ROOM_MAX_SIZE - ROOM_MIN_SIZE + 1) + ROOM_MIN_SIZE;
int x = r.nextInt(GAME_WIDTH - w - 1);
int y = r.nextInt(GAME_HEIGHT - h - 1);
Rectangle newRoom = new Rectangle(x, y, w, h);
boolean failed = false;
for (Rectangle room : rooms)
{
if ((room != null) && (newRoom.intersects(room)))
{
failed = true;
break;
}
}
if (!failed)
{
createRoom(newRoom);
int newX = (int) newRoom.getCenterX();
int newY = (int) newRoom.getCenterY();
if (numRooms == 0)
{
playerx = newX;
playery = newY;
adjustViewport();
} else {
int prevX = (int) rooms[numRooms-1].getCenterX();
int prevY = (int) rooms[numRooms-1].getCenterY();
if (r.nextBoolean())
{
createHTunnel(prevX, newX, prevY);
createVTunnel(prevY, newY, newX);
} else {
createVTunnel(prevY, newY, prevX);
createHTunnel(prevX, newX, newY);
}
}
rooms[numRooms++] = newRoom;
}
}
}
private void createRoom(Rectangle room)
{
for (int x=room.x+1; x<room.x+room.width; x++)
{
for (int y=room.y+1; y<room.y+room.height; y++)
{
grid[x][y] = false;
}
}
}
private void createHTunnel(int x1, int x2, int y)
{
if (x2 < x1)
{
int temp = x1;
x1 = x2;
x2 = temp;
}
for (int x=x1; x<x2+1; x++)
{
grid[x][y] = false;
}
}
private void createVTunnel(int y1, int y2, int x)
{
if (y2 < y1)
{
int temp = y1;
y1 = y2;
y2 = temp;
}
for (int y=y1; y<y2+1; y++)
{
grid[x][y] = false;
}
}
public void render(Graphics2D g)
{
// Render tiles
for (int x=viewportx; x<viewportx+VIEWPORT_WIDTH; x++)
{
for (int y=viewporty; y<viewporty+VIEWPORT_HEIGHT; y++)
{
if (grid[x][y])
{
g.setColor(Color.GRAY);
} else {
g.setColor(Color.BLACK);
}
g.fillRect((x-viewportx)*TILE_WIDTH, (y-viewporty)*TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT);
}
}
// Render player
g.drawImage(SystemFont.getCharacter('@'), (playerx-viewportx)*TILE_WIDTH, (playery-viewporty)*TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT, null);
}
public void processInput(KeyEvent e)
{
if (e.getKeyCode() == KeyEvent.VK_LEFT)
{
if ((playerx > 0) && (!grid[playerx-1][playery]))
{
playerx--;
}
} else if (e.getKeyCode() == KeyEvent.VK_RIGHT)
{
if ((playerx < GAME_WIDTH - 1) && (!grid[playerx+1][playery]))
{
playerx++;
}
} else if (e.getKeyCode() == KeyEvent.VK_UP)
{
if ((playery > 0) && (!grid[playerx][playery-1]))
{
playery--;
}
} else if (e.getKeyCode() == KeyEvent.VK_DOWN)
{
if ((playery < GAME_HEIGHT - 1) && (!grid[playerx][playery+1]))
{
playery++;
}
} else {
return;
}
adjustViewport();
}
private void adjustViewport()
{
if (playerx > (VIEWPORT_WIDTH/2))
{
if (playerx < (GAME_WIDTH - (VIEWPORT_WIDTH/2-1)))
{
viewportx = playerx - (VIEWPORT_WIDTH/2);
} else {
viewportx = GAME_WIDTH - VIEWPORT_WIDTH;
}
} else {
viewportx = 0;
}
if (playery > (VIEWPORT_HEIGHT/2))
{
if (playery < (GAME_HEIGHT - (VIEWPORT_HEIGHT/2-1)))
{
viewporty = playery - (VIEWPORT_HEIGHT/2);
} else {
viewporty = GAME_HEIGHT - VIEWPORT_HEIGHT;
}
} else {
viewporty = 0;
}
}
}
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