From 4c58ebf0ba9f82f9bac61d74e8998406c59454d1 Mon Sep 17 00:00:00 2001
From: Yi Jianlong <Jianlong.yi@outlook.com>
Date: Thu, 18 Jan 2024 10:44:05 +0800
Subject: [PATCH] add a raylib template: lifegame (#176)

---
 .../templates/raylib-lifegame/info.template   |  20 +++
 .../raylib-lifegame/raylib-lifegame.ico       | Bin 0 -> 12862 bytes
 .../raylib-lifegame/raylib_lifegame_cpp.txt   | 128 ++++++++++++++++++
 3 files changed, 148 insertions(+)
 create mode 100644 platform/windows/templates/raylib-lifegame/info.template
 create mode 100644 platform/windows/templates/raylib-lifegame/raylib-lifegame.ico
 create mode 100644 platform/windows/templates/raylib-lifegame/raylib_lifegame_cpp.txt

diff --git a/platform/windows/templates/raylib-lifegame/info.template b/platform/windows/templates/raylib-lifegame/info.template
new file mode 100644
index 00000000..7e3ce68a
--- /dev/null
+++ b/platform/windows/templates/raylib-lifegame/info.template
@@ -0,0 +1,20 @@
+[Template]
+ver=2
+Name=snake
+Name[zh_CN]=生命游戏
+Icon=raylib-lifegame.ico
+Description=snake game using raylib ( https://raylib.com )
+Description[zh_CN]=基于raylib的生命游戏( https://raylib.com )
+Category=Game
+Category[zh_CN]=游戏
+
+[Unit0]
+CName=main.cpp
+C=raylib_lifegame_cpp.txt
+
+[Project]
+UnitCount=1
+Type=1
+IsCpp=0
+linker=-lraylib -lopengl32 -lgdi32 -lwinmm
+ExecEncoding=UTF-8
diff --git a/platform/windows/templates/raylib-lifegame/raylib-lifegame.ico b/platform/windows/templates/raylib-lifegame/raylib-lifegame.ico
new file mode 100644
index 0000000000000000000000000000000000000000..c7fdfaad6e0404b1ce268eed8458194b82b3fe14
GIT binary patch
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diff --git a/platform/windows/templates/raylib-lifegame/raylib_lifegame_cpp.txt b/platform/windows/templates/raylib-lifegame/raylib_lifegame_cpp.txt
new file mode 100644
index 00000000..a2b1d345
--- /dev/null
+++ b/platform/windows/templates/raylib-lifegame/raylib_lifegame_cpp.txt
@@ -0,0 +1,128 @@
+/**
+ * Raylib实现的生命游戏：
+ * 		使用鼠标设置初始状态，回车：开始演化（S：单步演化）， R:复位
+ * 生命游戏，又称康威生命游戏，是英国数学家约翰·何顿·康威在1970年发明的细胞自动机
+ */
+#include <raylib.h>
+#include <string>
+
+class LifeGame {
+ public:
+  LifeGame(int fps = 10, std::string title = "Life Game") {
+    InitWindow(width, height, title.c_str());
+    SetTargetFPS(fps);
+  }
+  ~LifeGame() { CloseWindow(); }
+  void run() {
+    while (!WindowShouldClose()) {
+      processKeyEvt();    // 处理键盘
+      processMouseEvt();  // 处理鼠标
+
+      BeginDrawing();
+
+      drawFrame();  // 绘制当前帧
+
+      EndDrawing();
+
+      updateCellStates();  // 更新细胞状态
+    }
+  }
+
+ private:
+  //
+  //  @brief 处理键盘事件
+  //
+  void processKeyEvt() {
+    if (IsKeyPressed(KEY_ENTER)) {  // 回车-运行
+      running = true;
+    }
+    if (IsKeyPressed(KEY_R)) {  // R - 复位
+      running = false;
+      clearStates();
+    }
+    if (IsKeyPressed(KEY_S)) {  // S - 单步执行
+      updateCellStates(true);
+    }
+  }
+
+  //
+  //  @brief 处理鼠标事件：单击改变颜色
+  //
+  void processMouseEvt() {
+    if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
+      if (!running) {
+        Vector2 vec = GetMousePosition();
+        int x = vec.x / cell;
+        int y = vec.y / cell;
+        state[state_index][x + 1][y + 1] = (state[state_index][x + 1][y + 1] == 1) ? 0 : 1;
+      }
+    }
+  }
+
+  //
+  //  @brief 绘制当前帧
+  //
+  void drawFrame() {
+    for (int i = 0; i < 60; i++) {
+      for (int j = 0; j < 40; j++) {
+        Color c = state[state_index][i + 1][j + 1] ? ORANGE : DARKGRAY;
+        DrawRectangle(cell * i, cell * j, cell, cell, c);
+        DrawRectangleLines(cell * i, cell * j, cell, cell, GREEN);
+      }
+    }
+  }
+
+  //
+  //  @brief 更新细胞存活状态
+  //
+  void updateCellStates(bool force = false) {
+    if (!force) {
+      if (!running) return;  // 没有运行，直接返回
+    }
+    int last = state_index;
+    state_index = last == 1 ? 0 : 1;
+
+    for (int i = 1; i <= cell_col; i++) {
+      for (int j = 1; j <= cell_row; j++) {
+        int sum = state[last][i - 1][j - 1] + state[last][i - 1][j] + state[last][i - 1][j + 1] +
+                  state[last][i][j - 1] + state[last][i][j + 1] + state[last][i + 1][j - 1] + state[last][i + 1][j] +
+                  state[last][i + 1][j + 1];
+        if (state[last][i][j]) {
+          state[state_index][i][j] = (sum < 2 || sum > 3) ? 0 : 1;
+        } else {
+          state[state_index][i][j] = (sum == 3) ? 1 : 0;
+        }
+      }
+    }
+  }
+  //
+  //  @brief 清除状态
+  //
+  void clearStates() {
+    state_index = 0;
+    for (int i = 1; i <= cell_col; i++) {
+      for (int j = 1; j <= cell_row; j++) {
+        state[state_index][i][j] = 0;
+      }
+    }
+  }
+
+ private:
+  static constexpr float width = 1200;
+  static constexpr float height = 800;
+  static constexpr float cell = 25;
+  static constexpr int cell_col = width / cell;
+  static constexpr int cell_row = height / cell;
+
+  char state[2][cell_col + 2][cell_row + 2] = {0};
+  int state_index = 0;
+
+  bool running = false;
+};
+
+int main(void) {
+  LifeGame game;
+  game.run();
+
+  return 0;
+}
\ No newline at end of file