From 88fa3cbb71a3b18f7028971aca88f10af82ab369 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Madar=C3=A1sz?= <zaklaus@outlook.com>
Date: Mon, 11 Jan 2021 15:48:17 +0100
Subject: [PATCH] world code

---
 code/apps/server/header/world.h |  2 +-
 code/apps/server/source/world.c | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/code/apps/server/header/world.h b/code/apps/server/header/world.h
index d4fe9b6..0032941 100644
--- a/code/apps/server/header/world.h
+++ b/code/apps/server/header/world.h
@@ -10,4 +10,4 @@
 int32_t world_gen(int32_t seed, uint8_t width, uint8_t height);
 int32_t world_destroy(void);
 
-uint32_t world_buf(uint8_t const **ptr);
+uint32_t world_buf(uint8_t const **ptr, uint32_t *width);
diff --git a/code/apps/server/source/world.c b/code/apps/server/source/world.c
index cf3c15a..09dbcf7 100644
--- a/code/apps/server/source/world.c
+++ b/code/apps/server/source/world.c
@@ -3,18 +3,32 @@
 
 static uint8_t *world = NULL;
 static uint32_t world_size = 0;
+static uint32_t world_width = 0;
 
 int32_t world_gen(int32_t seed, uint8_t width, uint8_t height) {
+    if (world) {
+        world_destroy();
+    }
+    world_size = width*height;
+    world_width = width;
+    world = zpl_malloc(sizeof(uint8_t)*world_size);
+
+    if (!world) {
+        return WORLD_ERROR_OUTOFMEM;
+    }
     return WORLD_ERROR_NONE;
 }
 
 int32_t world_destroy(void) {
+    zpl_mfree(world);
+    world = NULL;
     return WORLD_ERROR_NONE;
 }
 
-uint32_t world_buf(uint8_t const **ptr) {
+uint32_t world_buf(uint8_t const **ptr, uint32_t *width) {
     ZPL_ASSERT_NOT_NULL(world);
     ZPL_ASSERT_NOT_NULL(ptr);
     *ptr = world;
+    if (width) *width = world_width;
     return world_size;
 }