From bc2fe8759a1969b2e1f17c54c9192ca73460dc7c Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwe@kingsome.cn>
Date: Mon, 22 Apr 2019 19:51:16 +0800
Subject: [PATCH] add GetGridList

---
 server/gameserver/grid.cc | 102 +++++++++++++++++++++++++-------------
 server/gameserver/grid.h  |  19 ++++---
 2 files changed, 80 insertions(+), 41 deletions(-)

diff --git a/server/gameserver/grid.cc b/server/gameserver/grid.cc
index 5bad192..ba45982 100644
--- a/server/gameserver/grid.cc
+++ b/server/gameserver/grid.cc
@@ -22,6 +22,18 @@ void Grid::Init(int width, int height, int cell_width)
     cell_count_per_col_ = (map_width_ / cell_width + 1) + 2;
     max_grid_id_ = cell_count_per_row_ * cell_count_per_col_;
     cells_ = new GridCell[max_grid_id_ + 1];
+
+    grid_offset_arr_[0] = -(cell_count_per_row_ - 1);
+    grid_offset_arr_[1] = -cell_count_per_row_;
+    grid_offset_arr_[2] = -(cell_count_per_row_ + 1);
+
+    grid_offset_arr_[3] = -1;
+    grid_offset_arr_[4] = 0;
+    grid_offset_arr_[5] = 1;
+
+    grid_offset_arr_[6] = cell_count_per_row_ - 1;
+    grid_offset_arr_[7] = cell_count_per_row_;
+    grid_offset_arr_[8] = cell_count_per_row_ + 1;
 }
 
 void Grid::UnInit()
@@ -32,44 +44,66 @@ void Grid::UnInit()
     }
 }
 
-void Grid::Get123456789(int grid_id, std::vector<GridCell>& grid_list)
+void Grid::Get123456789(int grid_id, std::vector<GridCell*>& grid_list)
 {
+    for (size_t i = 1; i <= 9; ++i) {
+        GetGridList(grid_id, i, grid_list);
+    }
+}
+
+void Grid::Get123(int grid_id, std::vector<GridCell*>& grid_list)
+{
+    GetGridList(grid_id, 1, grid_list);
+    GetGridList(grid_id, 2, grid_list);
+    GetGridList(grid_id, 3, grid_list);
+}
+
+void Grid::Get456(int grid_id, std::vector<GridCell*>& grid_list)
+{
+    GetGridList(grid_id, 4, grid_list);
+    GetGridList(grid_id, 5, grid_list);
+    GetGridList(grid_id, 6, grid_list);
+}
+
+void Grid::Get789(int grid_id, std::vector<GridCell*>& grid_list)
+{
+    GetGridList(grid_id, 7, grid_list);
+    GetGridList(grid_id, 8, grid_list);
+    GetGridList(grid_id, 9, grid_list);
+}
+
+void Grid::Get147(int grid_id, std::vector<GridCell*>& grid_list)
+{
+    GetGridList(grid_id, 1, grid_list);
+    GetGridList(grid_id, 4, grid_list);
+    GetGridList(grid_id, 7, grid_list);
+}
+
+void Grid::Get258(int grid_id, std::vector<GridCell*>& grid_list)
+{
+    GetGridList(grid_id, 2, grid_list);
+    GetGridList(grid_id, 5, grid_list);
+    GetGridList(grid_id, 8, grid_list);
+}
+
+void Grid::Get369(int grid_id, std::vector<GridCell*>& grid_list)
+{
+    GetGridList(grid_id, 3, grid_list);
+    GetGridList(grid_id, 6, grid_list);
+    GetGridList(grid_id, 9, grid_list);
+}
+
+void Grid::GetGridList(int grid_id, int offset,
+                       std::vector<GridCell*>& grid_list)
+{
+    if (offset <1 || offset > 9) {
+        abort();
+    }
     if (grid_id <= 0 || grid_id >= max_grid_id_) {
         return;
     }
-    int tmp_grid_id = 0;
-    tmp_grid_id = grid_id - (cell_count_per_row_ + 1);
+    int tmp_grid_id = grid_id + grid_offset_arr_[offset - 1];
     if (tmp_grid_id > 0) {
-
+        grid_list.push_back(&cells_[tmp_grid_id]);
     }
 }
-
-void Grid::Get123(int grid_id, std::vector<GridCell>& grid_list)
-{
-
-}
-
-void Grid::Get456(int grid_id, std::vector<GridCell>& grid_list)
-{
-
-}
-
-void Grid::Get789(int grid_id, std::vector<GridCell>& grid_list)
-{
-
-}
-
-void Grid::Get147(int grid_id, std::vector<GridCell>& grid_list)
-{
-
-}
-
-void Grid::Get258(int grid_id, std::vector<GridCell>& grid_list)
-{
-
-}
-
-void Grid::Get369(int grid_id, std::vector<GridCell>& grid_list)
-{
-
-}
diff --git a/server/gameserver/grid.h b/server/gameserver/grid.h
index 85f31d8..159909d 100644
--- a/server/gameserver/grid.h
+++ b/server/gameserver/grid.h
@@ -21,13 +21,17 @@ class Grid
 
     void Init(int width, int height, int cell_width);
     void UnInit();
-    void Get123456789(int grid_id, std::vector<GridCell>& grid_list);
-    void Get123(int grid_id, std::vector<GridCell>& grid_list);
-    void Get456(int grid_id, std::vector<GridCell>& grid_list);
-    void Get789(int grid_id, std::vector<GridCell>& grid_list);
-    void Get147(int grid_id, std::vector<GridCell>& grid_list);
-    void Get258(int grid_id, std::vector<GridCell>& grid_list);
-    void Get369(int grid_id, std::vector<GridCell>& grid_list);
+    void Get123456789(int grid_id, std::vector<GridCell*>& grid_list);
+    void Get123(int grid_id, std::vector<GridCell*>& grid_list);
+    void Get456(int grid_id, std::vector<GridCell*>& grid_list);
+    void Get789(int grid_id, std::vector<GridCell*>& grid_list);
+    void Get147(int grid_id, std::vector<GridCell*>& grid_list);
+    void Get258(int grid_id, std::vector<GridCell*>& grid_list);
+    void Get369(int grid_id, std::vector<GridCell*>& grid_list);
+
+ private:
+    inline void GetGridList(int grid_id, int offset,
+                            std::vector<GridCell*>& grid_list);
 
  private:
     Room* room_ = nullptr;
@@ -40,4 +44,5 @@ class Grid
     int cell_count_per_col_ = 0;
     Vector2D min_;
     Vector2D max_;
+    int grid_offset_arr_[9] = {0};
 };