From 5e4f4d387f7be0a5a840106ff5244332b0ffabb0 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Wed, 12 Apr 2017 17:24:05 -0500
Subject: [PATCH] Swap MBL z_values dimensions to [X][Y]

---
 Marlin/Marlin_main.cpp         |  4 ++--
 Marlin/configuration_store.cpp | 12 ++++++------
 Marlin/mesh_bed_leveling.cpp   |  2 +-
 Marlin/mesh_bed_leveling.h     |  8 ++++----
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 28b45a0262..5c930115a0 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -3769,7 +3769,7 @@ inline void gcode_G28() {
     SERIAL_PROTOCOLPGM("Z offset: "); SERIAL_PROTOCOL_F(mbl.z_offset, 5);
     SERIAL_PROTOCOLLNPGM("\nMeasured points:");
     print_2d_array(GRID_MAX_POINTS_X, GRID_MAX_POINTS_Y, 5,
-      [](const uint8_t ix, const uint8_t iy) { return mbl.z_values[iy][ix]; }
+      [](const uint8_t ix, const uint8_t iy) { return mbl.z_values[ix][iy]; }
     );
   }
 
@@ -3900,7 +3900,7 @@ inline void gcode_G28() {
         }
 
         if (code_seen('Z')) {
-          mbl.z_values[py][px] = code_value_axis_units(Z_AXIS);
+          mbl.z_values[px][py] = code_value_axis_units(Z_AXIS);
         }
         else {
           SERIAL_CHAR('Z'); say_not_entered();
diff --git a/Marlin/configuration_store.cpp b/Marlin/configuration_store.cpp
index a5c47dc1d0..9ada6f5360 100644
--- a/Marlin/configuration_store.cpp
+++ b/Marlin/configuration_store.cpp
@@ -36,7 +36,7 @@
  *
  */
 
-#define EEPROM_VERSION "V33"
+#define EEPROM_VERSION "V34"
 
 // Change EEPROM version if these are changed:
 #define EEPROM_OFFSET 100
@@ -1267,13 +1267,13 @@ void MarlinSettings::reset() {
         SERIAL_ECHOLNPAIR(" Z", planner.z_fade_height);
       #endif
       SERIAL_EOL;
-      for (uint8_t py = 1; py <= GRID_MAX_POINTS_Y; py++) {
-        for (uint8_t px = 1; px <= GRID_MAX_POINTS_X; px++) {
+      for (uint8_t py = 0; py < GRID_MAX_POINTS_Y; py++) {
+        for (uint8_t px = 0; px < GRID_MAX_POINTS_X; px++) {
           CONFIG_ECHO_START;
-          SERIAL_ECHOPAIR("  G29 S3 X", (int)px);
-          SERIAL_ECHOPAIR(" Y", (int)py);
+          SERIAL_ECHOPAIR("  G29 S3 X", (int)px + 1);
+          SERIAL_ECHOPAIR(" Y", (int)py + 1);
           SERIAL_ECHOPGM(" Z");
-          SERIAL_PROTOCOL_F(mbl.z_values[py-1][px-1], 5);
+          SERIAL_PROTOCOL_F(mbl.z_values[px][py], 5);
           SERIAL_EOL;
         }
       }
diff --git a/Marlin/mesh_bed_leveling.cpp b/Marlin/mesh_bed_leveling.cpp
index ef7e4ff381..08fdd3f861 100644
--- a/Marlin/mesh_bed_leveling.cpp
+++ b/Marlin/mesh_bed_leveling.cpp
@@ -29,7 +29,7 @@
   uint8_t mesh_bed_leveling::status;
 
   float mesh_bed_leveling::z_offset,
-        mesh_bed_leveling::z_values[GRID_MAX_POINTS_Y][GRID_MAX_POINTS_X],
+        mesh_bed_leveling::z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y],
         mesh_bed_leveling::index_to_xpos[GRID_MAX_POINTS_X],
         mesh_bed_leveling::index_to_ypos[GRID_MAX_POINTS_Y];
 
diff --git a/Marlin/mesh_bed_leveling.h b/Marlin/mesh_bed_leveling.h
index 9d3bd9e9fa..71274eeeab 100644
--- a/Marlin/mesh_bed_leveling.h
+++ b/Marlin/mesh_bed_leveling.h
@@ -47,7 +47,7 @@
   public:
     static uint8_t status; // Has Mesh and Is Active bits
     static float z_offset,
-                 z_values[GRID_MAX_POINTS_Y][GRID_MAX_POINTS_X],
+                 z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y],
                  index_to_xpos[GRID_MAX_POINTS_X],
                  index_to_ypos[GRID_MAX_POINTS_Y];
 
@@ -55,7 +55,7 @@
 
     static void reset();
 
-    static void set_z(const int8_t px, const int8_t py, const float &z) { z_values[py][px] = z; }
+    static void set_z(const int8_t px, const int8_t py, const float &z) { z_values[px][py] = z; }
 
     static bool active()                       { return TEST(status, MBL_STATUS_ACTIVE_BIT); }
     static void set_active(const bool onOff)   { onOff ? SBI(status, MBL_STATUS_ACTIVE_BIT) : CBI(status, MBL_STATUS_ACTIVE_BIT); }
@@ -108,8 +108,8 @@
       #endif
     ) {
       const int8_t cx = cell_index_x(x0), cy = cell_index_y(y0);
-      const float z1 = calc_z0(x0, index_to_xpos[cx], z_values[cy][cx], index_to_xpos[cx + 1], z_values[cy][cx + 1]),
-                  z2 = calc_z0(x0, index_to_xpos[cx], z_values[cy + 1][cx], index_to_xpos[cx + 1], z_values[cy + 1][cx + 1]),
+      const float z1 = calc_z0(x0, index_to_xpos[cx], z_values[cx][cy], index_to_xpos[cx + 1], z_values[cx + 1][cy]),
+                  z2 = calc_z0(x0, index_to_xpos[cx], z_values[cx][cy + 1], index_to_xpos[cx + 1], z_values[cx + 1][cy + 1]),
                   z0 = calc_z0(y0, index_to_ypos[cy], z1, index_to_ypos[cy + 1], z2);
 
       return z_offset + z0
-- 
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