From 1939e2dff53ccf9584e69da9ac13f1692ad1f06a Mon Sep 17 00:00:00 2001
From: onezplpl <zigyonk+noreply@proton.me>
Date: Fri, 19 Jul 2024 11:31:37 -0400
Subject: [PATCH] save position to file

---
 main.c | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

diff --git a/main.c b/main.c
index ea8174a..71c58ca 100644
--- a/main.c
+++ b/main.c
@@ -161,13 +161,15 @@ int main(void) {
   glGenBuffers(2, vertex_buffer);
 
   glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer[1]);
-  glBufferData(GL_ARRAY_BUFFER, CTRI_ALL + UI_ALL* 18 * sizeof(struct v3f), textO, GL_STATIC_DRAW);
+  glBufferData(GL_ARRAY_BUFFER, CTRI_ALL + UI_ALL * 18 * sizeof(struct v3f),
+               textO, GL_STATIC_DRAW);
   glEnableVertexAttribArray(1);
   glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(struct v3f),
                         (void *)0);
 
   glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer[0]);
-  glBufferData(GL_ARRAY_BUFFER, CTRI_ALL + UI_ALL * 18 * sizeof(struct v3f), cubeO, GL_STATIC_DRAW);
+  glBufferData(GL_ARRAY_BUFFER, CTRI_ALL + UI_ALL * 18 * sizeof(struct v3f),
+               cubeO, GL_STATIC_DRAW);
   glEnableVertexAttribArray(0);
   glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(struct v3f),
                         (void *)0);
@@ -207,6 +209,9 @@ int main(void) {
   pos[1] = 48;
   pos[2] = 10240;
 
+  FILE *fp = fopen("./db/position.dat", "rb");
+  int code = (fp) ? fread(&pos, sizeof(struct v3f), 1, fp) : 0;
+
   int cube_count =
       cubes_vert(cube, text, cubeO, textO, pos[0] / CHUNK_LENGTH,
                  pos[1] / CHUNK_LENGTH, pos[2] / CHUNK_LENGTH, 1, i2);
@@ -330,8 +335,8 @@ int main(void) {
 
     glBindTexture(GL_TEXTURE_2D, GL_TEXTURE0);
 
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tx, ty, 0, GL_RGBA, GL_UNSIGNED_BYTE,
-                 pixels);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tx, ty, 0, GL_RGBA,
+                 GL_UNSIGNED_BYTE, pixels);
 
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@@ -349,28 +354,36 @@ int main(void) {
     glUniform1i(use_shading, 0);
 
     int iz = CBLOCK_ALL * 18;
-    cubes_rect(cubeO, &iz, -0.5,0.5, -0.5, 0.5, 0, 0, 6);
+    cubes_rect(cubeO, &iz, -0.5, 0.5, -0.5, 0.5, 0, 0, 6);
     cubes_rect(textO, &iz, -0.5, 0.5, -0.5, 0.5, 1, 0, 6);
 
     mat4x4_identity(v);
-    mat4x4_ortho(p, -ratio*15, ratio*15, -1.f*15, 1.f*15, 1.0f, -1.0f);
+    mat4x4_ortho(p, -ratio * 15, ratio * 15, -1.f * 15, 1.f * 15, 1.0f, -1.0f);
     mat4x4_mul(mvp, p, v);
     mat4x4_mul(mvp, mvp, m);
 
     glUniformMatrix4fv(mvp_location, 1, GL_FALSE, (const GLfloat *)&mvp);
 
     glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer[1]);
-    glBufferSubData(GL_ARRAY_BUFFER, CTRI_ALL,
-                    (long)6 * sizeof(struct v3f), &textO[iz]);
+    glBufferSubData(GL_ARRAY_BUFFER, CTRI_ALL, (long)6 * sizeof(struct v3f),
+                    &textO[iz]);
     glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer[0]);
-    glBufferSubData(GL_ARRAY_BUFFER, CTRI_ALL,
-                    (long)6 * sizeof(struct v3f), &cubeO[iz]);
+    glBufferSubData(GL_ARRAY_BUFFER, CTRI_ALL, (long)6 * sizeof(struct v3f),
+                    &cubeO[iz]);
 
     glBindVertexArray(vertex_array);
 
     glDrawArrays(GL_TRIANGLES, CBLOCK_ALL * 18, 6);
   }
 
+  if (fp) {
+    fclose(fp);
+  }
+  fp = fopen("./db/position.dat", "wb");
+  if (fp) {
+    fwrite(&pos, sizeof(struct v3f), 1, fp);
+    fclose(fp);
+  }
   free(cube);
   free(text);
   free(cubeO);