From de68b810081f962dfe8fdb166f353cb87e6fcabf Mon Sep 17 00:00:00 2001
From: kbinani <kbinani.bt@gmail.com>
Date: Tue, 5 May 2020 18:32:35 +0900
Subject: [PATCH] feat: Enable largeBiomes configuration

---
 generator.c | 12 ++++++++++--
 generator.h |  6 +++++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/generator.c b/generator.c
index 35a7a88..b45fe11 100644
--- a/generator.c
+++ b/generator.c
@@ -28,7 +28,7 @@ void setupMultiLayer(int scale, Layer *l, Layer *p1, Layer *p2, int s, void (*ge
 
 
 
-LayerStack setupGenerator(const int mcversion)
+LayerStack setupGenerator(const int mcversion, const int large_biome)
 {
     if (biomes[plains].id == 0)
     {
@@ -90,7 +90,15 @@ LayerStack setupGenerator(const int mcversion)
     setupLayer(16,   &l[L_SHORE_16],            &l[L_ZOOM_16],              1000, mapShore);
     setupLayer(8,    &l[L_ZOOM_8],              &l[L_SHORE_16],             1002, mapZoom);
     setupLayer(4,    &l[L_ZOOM_4],              &l[L_ZOOM_8],               1003, mapZoom);
-    setupLayer(4,    &l[L_SMOOTH_4],            &l[L_ZOOM_4],               1000, mapSmooth);
+
+    if (large_biome != 0) {
+        //TODO: scale?
+        setupLayer(4, &l[L_ZOOM_LARGE_BIOME_A], &l[L_ZOOM_4],               1004, mapZoom);
+        setupLayer(4, &l[L_ZOOM_LARGE_BIOME_B], &l[L_ZOOM_LARGE_BIOME_A],   1005, mapZoom);
+        setupLayer(4, &l[L_SMOOTH_4],           &l[L_ZOOM_LARGE_BIOME_B],   1000, mapSmooth);
+    } else {
+        setupLayer(4, &l[L_SMOOTH_4],           &l[L_ZOOM_4],               1000, mapSmooth);
+    }
 
     // river layer chain
     setupLayer(128,  &l[L_ZOOM_128_RIVER],      &l[L_RIVER_INIT_256],       1000, mapZoom);
diff --git a/generator.h b/generator.h
index 63ce85b..c37466d 100644
--- a/generator.h
+++ b/generator.h
@@ -72,6 +72,10 @@ enum
     // 1.14 layers
     L14_BAMBOO_256,
 
+    // largeBiomes layers
+    L_ZOOM_LARGE_BIOME_A,
+    L_ZOOM_LARGE_BIOME_B,
+
     L_NUM
 };
 
@@ -195,7 +199,7 @@ extern "C"
 #endif
 
 /* Initialise an instance of a generator. */
-LayerStack setupGenerator(const int mcversion);
+LayerStack setupGenerator(const int mcversion, const int largeBiomes);
 
 /* Cleans up and frees the generator layers */
 void freeGenerator(LayerStack g);