X-Git-Url: https://deadsoftware.ru/gitweb?a=blobdiff_plain;f=core%2Fsrc%2Fru%2Fdeadsoftware%2Fcavecraft%2Fgame%2FWorldGen.java;h=4b4f0e8d3772e656b2a5e0d265548ff8badc8df1;hb=755ddc2f16f28a493969c22cd3513acddc6e67cd;hp=96aedf3be559de55122d66030c3c0d6a0c4ee84d;hpb=f988ac987aae5e7dd99721ca4cf044d061153e89;p=cavedroid.git

diff --git a/core/src/ru/deadsoftware/cavecraft/game/WorldGen.java b/core/src/ru/deadsoftware/cavecraft/game/WorldGen.java
index 96aedf3..4b4f0e8 100644
--- a/core/src/ru/deadsoftware/cavecraft/game/WorldGen.java
+++ b/core/src/ru/deadsoftware/cavecraft/game/WorldGen.java
@@ -1,23 +1,143 @@
 package ru.deadsoftware.cavecraft.game;
 
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.math.RandomXS128;
+import com.badlogic.gdx.utils.TimeUtils;
+
 public class WorldGen {
 
+    private static RandomXS128 rand;
+    private static long seed;
+
     private static int[][] foreMap, backMap;
+    private static int[] hMap;
+    private static int[] bMap; //biomes, 0-plains, 1-desert
+
+    public static long getSeed() {
+        return seed;
+    }
+
+    static int[] genLandscape(int width, int mid, int min, int max) {
+        int[] res = new int[width];
+        bMap = new int[width];
+        int t;
+        res[0] = mid;
+        for (int i=1; i<width; i++) {
+            t = rand.nextInt(7)-3;
+            if (t>-3 && t<3) t=0; else t/=Math.abs(t);
+            if (i>width-(max-min)) {
+                if (res[i-1]+t<res[0]) t=Math.abs(t);
+                    else if (res[i-1]+t>res[0]) t=-Math.abs(t);
+            }
+            res[i] = res[i-1] + t;
+            if (res[i]<min) res[i] = min;
+            if (res[i]>max) res[i] = max;
+            if (i>=width/2) {
+                bMap [i] = 1;
+                if (res[i] < 60) res[i] = 60;
+            } else {
+                bMap[i] = 0;
+            }
+        }
+        if (res[0]<res[width-1]) res[width-1] = res[0];
+        return res;
+    }
+
+    private static void genCactus(int x, int y) {
+        foreMap[x][y] = 59;
+        foreMap[x][y-1] = 59;
+        foreMap[x][y-2] = 59;
+    }
+
+    private static void genOak(int x, int y) {
+        backMap[x][y] = 15;
+        backMap[x][y-1] = 15;
+        backMap[x][y-2] = 15;
+        backMap[x][y-3] = 15;
+        backMap[x][y-4] = 16;
+        backMap[x][y-5] = 16;
+        backMap[x-1][y-3] = 16;
+        backMap[x-1][y-4] = 16;
+        backMap[x+1][y-3] = 16;
+        backMap[x+1][y-4] = 16;
+        foreMap[x][y-3] = 16;
+        foreMap[x][y-4] = 16;
+        foreMap[x][y-5] = 16;
+        foreMap[x-1][y-3] = 16;
+        foreMap[x-1][y-4] = 16;
+        foreMap[x+1][y-3] = 16;
+        foreMap[x+1][y-4] = 16;
+    }
 
     static void genWorld(int width, int height) {
+        genWorld(width, height, TimeUtils.millis());
+    }
+
+    static void genWorld(int width, int height, long worldseed) {
+        int dirtH;
+        seed = worldseed;
+        rand = new RandomXS128(seed);
         foreMap = new int[width][height];
         backMap = new int[width][height];
+        hMap = genLandscape(width, height/4, height/8, height/2);
         for (int x=0; x<width; x++) {
-            for (int y=height-8; y<height; y++) {
-                if (y==height-8) {
-                    foreMap[x][y] = 3;
-                    backMap[x][y] = 3;
-                } else if (y<height-4) {
-                    foreMap[x][y] = 2;
-                    backMap[x][y] = 2;
-                } else {
+            dirtH = 4+rand.nextInt(2);
+            for (int y = height- hMap[x]; y<height; y++) {
+                if (y==height- hMap[x]) {
+                    switch (bMap[x]) {
+                        case 0:
+                            foreMap[x][y] = 2;
+                            backMap[x][y] = 2;
+                            break;
+                        case 1:
+                            foreMap[x][y] = 10;
+                            backMap[x][y] = 10;
+                            break;
+                    }
+                } else if (y<height-hMap[x]+dirtH) {
+                    switch (bMap[x]) {
+                        case 0:
+                            foreMap[x][y] = 3;
+                            backMap[x][y] = 3;
+                            break;
+                        case 1:
+                            foreMap[x][y] = 10;
+                            backMap[x][y] = 10;
+                            break;
+                    }
+                } else if (bMap[x]==1 && y<height-hMap[x]+dirtH+3) {
+                    foreMap[x][y] = 21;
+                    backMap[x][y] = 21;
+                } else if (y<height-1){
                     foreMap[x][y] = 1;
                     backMap[x][y] = 1;
+                } else {
+                    foreMap[x][y] = 7;
+                    backMap[x][y] = 7;
+                }
+            }
+            for (int y = height-60; y<height-1; y++) {
+                if (foreMap[x][y]==0 && bMap[x]!=1){
+                    foreMap[x][y] = 8;
+                    if (bMap[x] == 0) {
+                        if (y==height-60) {
+                            backMap[x][y] = 2;
+                        } else {
+                            backMap[x][y] = 3;
+                        }
+                    }
+                    if (y==height-hMap[x]-1) {
+                        foreMap[x][y+1] = 3;
+                        backMap[x][y+1] = 3;
+                    }
+                }
+            }
+            if (x>2 && x<width-2 && rand.nextInt(100)<5){
+                if (foreMap[x][height-hMap[x]-1]==0 && foreMap[x][height-hMap[x]]==2) {
+                    genOak(x,height-hMap[x]-1);
+                }
+                if (foreMap[x][height-hMap[x]-1]==0 && foreMap[x][height-hMap[x]]==10) {
+                    genCactus(x,height-hMap[x]-1);
                 }
             }
         }
@@ -34,5 +154,7 @@ public class WorldGen {
     static void clear() {
         foreMap = null;
         backMap = null;
+        hMap = null;
+        bMap = null;
     }
 }