X-Git-Url: https://deadsoftware.ru/gitweb?p=cavedroid.git;a=blobdiff_plain;f=core%2Fsrc%2Fru%2Fdeadsoftware%2Fcavecraft%2Fgame%2FWorldGen.java;h=974cef4d39fd073bbabd9be170f2e3e89a76e50b;hp=96aedf3be559de55122d66030c3c0d6a0c4ee84d;hb=bea2a3c5b967bcd90ccd83e08e833d58449e963a;hpb=f988ac987aae5e7dd99721ca4cf044d061153e89

diff --git a/core/src/ru/deadsoftware/cavecraft/game/WorldGen.java b/core/src/ru/deadsoftware/cavecraft/game/WorldGen.java
index 96aedf3..974cef4 100644
--- a/core/src/ru/deadsoftware/cavecraft/game/WorldGen.java
+++ b/core/src/ru/deadsoftware/cavecraft/game/WorldGen.java
@@ -1,23 +1,169 @@
 package ru.deadsoftware.cavecraft.game;
 
+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];
-        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 {
+        hMap = genLandscape(width, height / 4, height / 8, height / 2);
+        for (int x = 0; x < width; x++) {
+            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) {
+                if (foreMap[x][height - hMap[x] - 1] == 0 && foreMap[x][height - hMap[x]] == 2) {
+                    switch (rand.nextInt(50)) {
+                        case 0:
+                            genOak(x, height - hMap[x] - 1);
+                            break;
+                        case 1:
+                            foreMap[x][height - hMap[x] - 1] = 26;
+                            break;
+                        case 2:
+                            foreMap[x][height - hMap[x] - 1] = 29;
+                            break;
+                        case 3:
+                            foreMap[x][height - hMap[x] - 1] = 30;
+                            break;
+                        case 4:
+                            foreMap[x][height - hMap[x] - 1] = 31;
+                            break;
+                        case 5:
+                            foreMap[x][height - hMap[x] - 1] = 32;
+                            break;
+                    }
+                }
+                if (foreMap[x][height - hMap[x] - 1] == 0 && foreMap[x][height - hMap[x]] == 10) {
+                    switch (rand.nextInt(20)) {
+                        case 0:
+                            genCactus(x, height - hMap[x] - 1);
+                            break;
+                        case 1:
+                            foreMap[x][height - hMap[x] - 1] = 27;
+                            break;
+                    }
                 }
             }
         }
@@ -34,5 +180,7 @@ public class WorldGen {
     static void clear() {
         foreMap = null;
         backMap = null;
+        hMap = null;
+        bMap = null;
     }
 }