laneya2

commit

2badc47c5b27b61a1978885d84508f33a9ad06df

parent

64cd54b239ed7a90aa04a398eadb015ce10b7fbb

Author

Tobias Bengfort <tobias.bengfort@posteo.de>

Date

2024-09-20 20:41

generate random map

Diffstat

1 files changed, 58 insertions, 5 deletions

diff --git a/laneya.go b/laneya.go

@@ -6,6 +6,7 @@ import (
    6     6 	"flag"
    7     7 	"fmt"
    8     8 	"log"
   -1     9 	"math/rand"
    9    10 	"net"
   10    11 	"net/http"
   11    12 	"os"
@@ -70,6 +71,51 @@ type Game struct {
   70    71 var mux = &sync.RWMutex{}
   71    72 var games = make(map[string]*Game)
   72    73 
   -1    74 func makeRect(x1 int, y1 int, x2 int, y2 int) Rect {
   -1    75 	if x1 > x2 {
   -1    76 		x1, x2 = x2, x1
   -1    77 	}
   -1    78 	if y1 > y2 {
   -1    79 		y1, y2 = y2, y1
   -1    80 	}
   -1    81 	return Rect{x1, y1, x2, y2}
   -1    82 }
   -1    83 
   -1    84 func randomRect(n int) Rect {
   -1    85 	x1 := rand.Intn(2*n) - n
   -1    86 	x2 := rand.Intn(2*n) - n
   -1    87 	y1 := rand.Intn(2*n) - n
   -1    88 	y2 := rand.Intn(2*n) - n
   -1    89 	return makeRect(x1, y1, x2, y2)
   -1    90 }
   -1    91 
   -1    92 func (game *Game) generateMap() {
   -1    93 	prev := Rect{-5, -5, 5, 5}
   -1    94 
   -1    95 	game.Rects = []Rect{prev}
   -1    96 	lines := []Rect{}
   -1    97 
   -1    98 	for i := 1; i <= 12; i++ {
   -1    99 		rect := randomRect(50)
   -1   100 		if rect.Area() < 250 {
   -1   101 			game.Rects = append(game.Rects, rect)
   -1   102 
   -1   103 			p1 := prev.Center()
   -1   104 			p2 := rect.Center()
   -1   105 
   -1   106 			lines = append(lines, makeRect(p1.X, p1.Y, p2.X, p1.Y))
   -1   107 			lines = append(lines, makeRect(p2.X, p1.Y, p2.X, p2.Y))
   -1   108 
   -1   109 			prev = rect
   -1   110 		}
   -1   111 	}
   -1   112 
   -1   113 
   -1   114 	for _, line := range lines {
   -1   115 		game.Rects = append(game.Rects, line)
   -1   116 	}
   -1   117 }
   -1   118 
   73   119 func getGame(id string) *Game {
   74   120 	mux.RLock()
   75   121 	game, ok := games[id]
@@ -83,12 +129,8 @@ func getGame(id string) *Game {
   83   129 			register:   make(chan *Player),
   84   130 			unregister: make(chan *Player),
   85   131 			lastId:     0,
   86    -1 			Rects: []Rect{
   87    -1 				Rect{-10, -10, 10, 10},
   88    -1 				Rect{-19, 0, -9, 0},
   89    -1 				Rect{-19, 0, -19, 10},
   90    -1 			},
   91   132 		}
   -1   133 		game.generateMap()
   92   134 		mux.Lock()
   93   135 		games[id] = game
   94   136 		mux.Unlock()
@@ -103,6 +145,17 @@ func (rect *Rect) Contains(x int, y int) bool {
  103   145 	return x >= rect.X1 && x <= rect.X2 && y >= rect.Y1 && y <= rect.Y2
  104   146 }
  105   147 
   -1   148 func (rect *Rect) Area() int {
   -1   149 	return (rect.X2 - rect.X1) * (rect.Y2 - rect.Y1)
   -1   150 }
   -1   151 
   -1   152 func (rect *Rect) Center() Point {
   -1   153 	return Point{
   -1   154 		(rect.X2 + rect.X1) / 2,
   -1   155 		(rect.Y2 + rect.Y1) / 2,
   -1   156 	}
   -1   157 }
   -1   158 
  106   159 func (game *Game) broadcast(msgs []Message) {
  107   160 	for player, _ := range game.Players {
  108   161 		player.Send <- msgs