terrain

commit 47f16aed016bab5f5ba6824102ba43a4a3aaf14b
parent aaa37db9d511804e41d0957522557ec227363d0f
Author: Christian Ermann <christianermann@gmail.com>
Date:   Sun, 29 May 2022 16:32:53 -0700

Added basic save system.

Diffstat:
A
include/save.h
 | 
10
++++++++++
M
src/main.c
 | 
10
++++++++++
A
src/save.c
 | 
23
+++++++++++++++++++++++

3 files changed, 43 insertions(+), 0 deletions(-)
diff --git a/include/save.h b/include/save.h
@@ -0,0 +1,10 @@
+#ifndef SAVE_H
+#define SAVE_H
+
+#include "input.h"
+#include "vec.h"
+
+int save(const Vec3 position);
+int load(Vec3 position);
+
+#endif
diff --git a/src/main.c b/src/main.c
@@ -3,6 +3,7 @@
 #include "chunk_manager.h"
 #include "input.h"
 #include "perlin.h"
+#include "save.h"
 #include "shader.h"
 
 #include "glad/glad.h"
@@ -138,11 +139,20 @@ int main(int argc, char** argv)
 
         ChunkManager_recenter(&chunk_manager, camera->position);
         ChunkManager_drawChunks(&chunk_manager, camera);
+
+        loop_count += 1;
+        if (loop_count % 100000 == 0)
+        {
+            save(camera->position);
+        }
         
         glfwSwapBuffers(app->window);
         glfwPollEvents();
     }
 
+    save(camera->position);
+
     ChunkManager_free(&chunk_manager);
     App_free(app);
 }
+
diff --git a/src/save.c b/src/save.c
@@ -0,0 +1,23 @@
+#include "save.h"
+
+#include <stdio.h>                                                             
+
+int save(const Vec3 position)
+{
+    FILE *fp;
+    fp = fopen("savedata", "w");
+    if (!fp) return -1;
+    fwrite(position, 3, sizeof(float), fp);
+    fclose(fp);
+    return 0;
+}
+
+int load(Vec3 position)
+{
+    FILE *fp;
+    fp = fopen("savedata", "r");
+    if (!fp) return -1;
+    fread(position, sizeof(float), 3, fp);
+    fclose(fp);
+    return 0;
+}