Tic tac toe basically done

src/dawn/CMakeLists.txt

@@ -26,6 +26,7 @@ target_sources(${DAWN_TARGET_NAME}
 # Subdirs
 add_subdirectory(asset)
 add_subdirectory(display)
+add_subdirectory(games)
 add_subdirectory(input)
 add_subdirectory(locale)
 add_subdirectory(physics)

src/dawn/games/CMakeLists.txt

@@ -0,0 +1,7 @@
+# Copyright (c) 2023 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Subdirs
+add_subdirectory(tictactoe)

src/dawn/games/tictactoe/CMakeLists.txt

@@ -0,0 +1,10 @@
+# Copyright (c) 2023 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DAWN_TARGET_NAME}
+  PRIVATE
+    TicTacToeLogic.cpp
+)

src/dawn/games/tictactoe/TicTacToeLogic.cpp

@@ -0,0 +1,45 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "TicTacToeLogic.hpp"
+
+using namespace Dawn;
+
+enum TicTacToeTileState Dawn::ticTacToeDetermineWinner(
+  const std::map<uint8_t, enum TicTacToeTileState> board,
+  std::vector<uint8_t> *winningCombo
+) {
+  uint8_t i;
+  assertNotNull(winningCombo);
+
+  // Check rows
+  for(i = 0; i < 9; i += 3) {
+    if(board.at(i) == board.at(i + 1) && board.at(i) == board.at(i + 2) && board.at(i) != 0) {
+      *winningCombo = { i, (uint8_t)i + 1, (uint8_t)i + 2 };
+      return board.at(i);
+    }
+  }
+
+  // Check columns
+  for(i = 0; i < 3; i++) {
+    if(board.at(i) == board.at(i + 3) && board.at(i) == board.at(i + 6) && board.at(i) != 0) {
+      *winningCombo = { i, (uint8_t)i + 3, (uint8_t)i + 6 };
+      return board.at(i);
+    }
+  }
+
+  // Check diagonals
+  if(board.at(0) == board.at(4) && board.at(0) == board.at(8) && board.at(0) != 0) {
+    *winningCombo = {0, 4, 8};
+    return board.at(0);
+  }
+
+  if(board.at(2) == board.at(4) && board.at(2) == board.at(6) && board.at(2) != 0) {
+    *winningCombo = { 2, 4, 6 };
+    return board.at(2);
+  }
+
+  return TIC_TAC_TOE_EMPTY;
+}

src/dawn/games/tictactoe/TicTacToeLogic.hpp

@@ -0,0 +1,20 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "assert/assert.hpp"
+
+namespace Dawn {
+  enum TicTacToeTileState {
+    TIC_TAC_TOE_EMPTY,
+    TIC_TAC_TOE_NOUGHT,
+    TIC_TAC_TOE_CROSS
+  };
+
+  enum TicTacToeTileState ticTacToeDetermineWinner(
+    const std::map<uint8_t, enum TicTacToeTileState> board,
+    std::vector<uint8_t> *winningCombo
+  );
+}

src/dawnglfw/host/DawnGLFWHost.cpp

@@ -66,6 +66,7 @@ int32_t DawnHost::init(DawnGame *game) {
   game->inputManager.bind(INPUT_BIND_NEGATIVE_Y, GLFW_KEY_S);
   game->inputManager.bind(INPUT_BIND_POSITIVE_Y, GLFW_KEY_W);
 
+  game->inputManager.bind(INPUT_BIND_MOUSE_CLICK, INPUT_MANAGER_AXIS_MOUSE_0);
   game->inputManager.bind(INPUT_BIND_MOUSE_X, INPUT_MANAGER_AXIS_MOUSE_X);
   game->inputManager.bind(INPUT_BIND_MOUSE_Y, INPUT_MANAGER_AXIS_MOUSE_Y);
 
@@ -85,6 +86,7 @@ int32_t DawnHost::init(DawnGame *game) {
   glfwSetFramebufferSizeCallback(this->data->window, &glfwOnResize);
   glfwSetKeyCallback(this->data->window, &glfwOnKey);
   glfwSetCursorPosCallback(this->data->window, &glfwOnCursor);
+  glfwSetMouseButtonCallback(this->data->window, &glfwOnMouseButton);
 
   return DAWN_HOST_INIT_RESULT_SUCCESS;
 }
@@ -195,4 +197,12 @@ void glfwOnCursor(GLFWwindow* window, double xpos, double ypos) {
     (float_t)(ypos / DAWN_HOST->game->renderManager.backBuffer.getHeight()),
     0, 1
   );
+}
+
+void glfwOnMouseButton(GLFWwindow* window, int button, int action, int mods) {
+  if(DAWN_HOST == nullptr) return;
+  assertTrue(window == DAWN_HOST->data->window);
+
+  float_t value = action == GLFW_PRESS ? 1 : 0;
+  DAWN_HOST->game->inputManager.rawInputValues[INPUT_MANAGER_AXIS_MOUSE_0 + button] = value;
 }

src/dawnglfw/host/DawnGLFWHost.hpp

@@ -31,4 +31,5 @@ void glfwOnKey(
   GLFWwindow *window,
   int32_t key, int32_t scancode, int32_t action, int32_t mods
 );
-void glfwOnCursor(GLFWwindow* window, double xpos, double ypos);
+void glfwOnCursor(GLFWwindow* window, double xpos, double ypos);
+void glfwOnMouseButton(GLFWwindow* window, int button, int action, int mods);

src/dawnglfw/input/InputManager.hpp

@@ -8,6 +8,7 @@
 
 #define INPUT_MANAGER_AXIS_MOUSE_X -580000
 #define INPUT_MANAGER_AXIS_MOUSE_Y -580001
+#define INPUT_MANAGER_AXIS_MOUSE_0 -590000
 
 namespace Dawn {
   class InputManager : public IInputManager<int32_t> {

src/dawntictactoe/CMakeLists.txt

@@ -24,4 +24,4 @@ add_subdirectory(save)
 set(DIR_GAME_ASSETS games/tictactoe)
 
 tool_language(locale_en ${DIR_GAME_ASSETS}/locale/en.xml)
-tool_tileset(tileset_xo texture_xo ${DIR_GAME_ASSETS}/xo.png 1 3)
+tool_tileset(tileset_xo texture_xo ${DIR_GAME_ASSETS}/xo.png 1 4)

src/dawntictactoe/components/TicTacToeGame.cpp

@@ -13,11 +13,22 @@ using namespace Dawn;
 TicTacToeGame::TicTacToeGame(SceneItem *item) : SceneItemComponent(item) {}
 
 void TicTacToeGame::onStart() {
-  this->tiles = getScene()->findComponents<TicTacToeTile>();
+  // Map tiles by tile number = tile
+  auto tiles = getScene()->findComponents<TicTacToeTile>();
+  auto itTiles = tiles.begin();
+  while(itTiles != tiles.end()) {
+    this->tiles[(*itTiles)->tile] = *itTiles;
+    ++itTiles;
+  }
 
+  // Listen
   getScene()->eventSceneUpdate.addListener(this, &TicTacToeGame::onSceneUpdate);
 }
 
+void TicTacToeGame::onDispose() {
+  getScene()->eventSceneUpdate.removeListener(this, &TicTacToeGame::onSceneUpdate);
+}
+
 void TicTacToeGame::onSceneUpdate() {
   // Get mouse in screen space.
   auto mouse = getGame()->inputManager.getAxis2D(INPUT_BIND_MOUSE_X, INPUT_BIND_MOUSE_Y);
@@ -30,17 +41,46 @@ void TicTacToeGame::onSceneUpdate() {
   struct Ray3D ray;
   ray.origin = camera->transform->getWorldPosition();
   ray.direction = camera->getRayDirectionFromScreenSpace(mouse);
-  std::cout << "World " << ray.origin.x << ", " << ray.origin.y << ", "  << ray.origin.z << std::endl;
+  
 
+  // Find the hovered tile (if any)
+  TicTacToeTile *hovered = nullptr;
   auto results = getPhysics()->raycast3DAll(ray);
   auto itResult = results.begin();
   while(itResult != results.end()) {
     auto result = *itResult;
-    getScene()->debugRay((struct SceneDebugRay){
-      .start = result.point,
-      .direction = result.normal,
-      .color = COLOR_BLUE
-    });
-    ++itResult;
+    auto tile = result.collider->item->getComponent<TicTacToeTile>();
+    if(tile == nullptr) {
+      ++itResult;
+      continue;
+    }
+    
+    hovered = tile;
+    break;
   }
+
+  // Now update the state of each tile, also get the state while we are at it
+  std::map<uint8_t, enum TicTacToeTileState> tileMap;
+
+  auto itTiles = tiles.begin();
+  while(itTiles != tiles.end()) {
+    auto t = itTiles->second;
+
+    if(t == hovered) {
+      if(t->state == TIC_TAC_TOE_EMPTY && getGame()->inputManager.isPressed(INPUT_BIND_MOUSE_CLICK)) {
+        t->setState(nextMove);
+        nextMove = nextMove == TIC_TAC_TOE_NOUGHT ? TIC_TAC_TOE_CROSS : TIC_TAC_TOE_NOUGHT;
+      } else if(t->state == TIC_TAC_TOE_EMPTY) {
+        t->hovered = true;
+      }
+    } else {
+      t->hovered = false;
+    }
+    tileMap[itTiles->second->tile] = itTiles->second->getState();
+    ++itTiles;
+  }
+
+  // Determine winner
+  std::vector<uint8_t> winningCombo;
+  auto winner = ticTacToeDetermineWinner(tileMap, &winningCombo);
 }

src/dawntictactoe/components/TicTacToeGame.hpp

@@ -11,11 +11,13 @@
 namespace Dawn {
   class TicTacToeGame : public SceneItemComponent {
     public:
-      std::vector<TicTacToeTile*> tiles;
+      std::map<int32_t, TicTacToeTile*> tiles;
+      enum TicTacToeTileState nextMove = TIC_TAC_TOE_NOUGHT;
 
       TicTacToeGame(SceneItem *item);
 
       void onStart() override;
+      void onDispose() override;
 
       void onSceneUpdate();
   };

src/dawntictactoe/components/TicTacToeTile.cpp

@@ -11,6 +11,14 @@ using namespace Dawn;
 TicTacToeTile::TicTacToeTile(SceneItem *item) : SceneItemComponent(item) {
 }
 
+void TicTacToeTile::onStart() {
+  this->setState(TIC_TAC_TOE_EMPTY);
+}
+
+enum TicTacToeTileState TicTacToeTile::getState() {
+  return this->state;
+}
+
 void TicTacToeTile::setState(enum TicTacToeTileState state) {
   auto ts = this->item->getComponent<TiledSprite>();
   

src/dawntictactoe/components/TicTacToeTile.hpp

@@ -6,20 +6,21 @@
 #pragma once
 #include "scene/SceneItemComponent.hpp"
 #include "scene/components/display/TiledSprite.hpp"
+#include "games/tictactoe/TicTacToeLogic.hpp"
 
 namespace Dawn {
-  enum TicTacToeTileState {
-    TIC_TAC_TOE_BLANK,
-    TIC_TAC_TOE_NOUGHT,
-    TIC_TAC_TOE_CROSS
-  };
-
   class TicTacToeTile : public SceneItemComponent {
     public:
-      enum TicTacToeTileState state = TIC_TAC_TOE_BLANK;
+      enum TicTacToeTileState state = TIC_TAC_TOE_EMPTY;
+      bool_t hovered = false;
+      uint8_t tile;
 
       TicTacToeTile(SceneItem *item);
 
+      void onStart() override;
+
+      enum TicTacToeTileState getState();
+
       void setState(enum TicTacToeTileState state);
   };
 }

src/dawntictactoe/input/InputBinds.hpp

@@ -7,10 +7,12 @@
 #include "input/InputManager.hpp"
 
 #define INPUT_BIND(n) ((inputbind_t)n)
+
 #define INPUT_BIND_ACCEPT INPUT_BIND(1)
 #define INPUT_BIND_NEGATIVE_X INPUT_BIND(2)
 #define INPUT_BIND_POSITIVE_X INPUT_BIND(3)
 #define INPUT_BIND_NEGATIVE_Y INPUT_BIND(4)
 #define INPUT_BIND_POSITIVE_Y INPUT_BIND(5)
 #define INPUT_BIND_MOUSE_X INPUT_BIND(6)
-#define INPUT_BIND_MOUSE_Y INPUT_BIND(7)
+#define INPUT_BIND_MOUSE_Y INPUT_BIND(7)
+#define INPUT_BIND_MOUSE_CLICK INPUT_BIND(8)

src/dawntictactoe/scenes/TicTacToeScene.hpp

@@ -17,10 +17,7 @@ namespace Dawn {
 
       void stage() override {
         camera = Camera::create(this);
-        // camera->transform->lookAt(glm::vec3(0, 0, 5), glm::vec3(0, 0, 0));
-        // camera->type = CAMERA_TYPE_ORTHONOGRAPHIC;
-        // camera->transform->lookAt(glm::vec3(1, 2, 3), glm::vec3(0, 0, 0));
-        camera->transform->lookAt(glm::vec3(0, 0, 3), glm::vec3(0, 0, 0));
+        camera->transform->lookAt(glm::vec3(0, 0, 8), glm::vec3(0, 0, 0));
 
         float_t s = 2.0f;
         camera->orthoTop = s;
@@ -33,12 +30,12 @@ namespace Dawn {
         auto gameItem = this->createSceneItem();
         auto game = gameItem->addComponent<TicTacToeGame>();
 
-        int32_t i = 0;
+        uint8_t i = 0;
         for(int32_t x = -1; x <= 1; x++) {
           for(int32_t y = -1; y <= 1; y++) {
             auto tile = TicTacToeTilePrefab::create(this);
-            tile->transform.setLocalPosition(glm::vec3(x * 1.25f, y * 1.25f, 0));
-            // tile->ticTacToe->setState(i % 2 == 0 ? TIC_TAC_TOE_CROSS : TIC_TAC_TOE_NOUGHT);
+            tile->transform.setLocalPosition(glm::vec3(x * 1, y * 1, 0));
+            tile->ticTacToe->tile = i++;
           }
         }
       }