Add more digging logic

Game/WorldGridManager.cpp

@@ -0,0 +1,29 @@
+#include "WorldGridManager.h"
+WorldGridManager::WorldGridManager() {
+	for (size_t x { 0 }; x < WORLD_WIDTH; ++x) {
+		for(size_t y { 0 }; y < WORLD_HEIGHT; ++y) {
+			m_worldTiles[x][y] = nullptr;		
+		}
+	}
+
+}
+WorldGridManager::~WorldGridManager() {
+	
+}
+WorldTile* WorldGridManager::GetTileAtIndex(const int x, const int y) const {
+	if (x < 0 || x >= WORLD_WIDTH || y < 0 || y >= WORLD_HEIGHT) {
+		return nullptr;
+	}
+	return m_worldTiles[x][y];
+}
+WorldTile* WorldGridManager::GetTileAtWorldPos(const Point2f& pos) const {
+	int x = int(pos.x / TILE_WIDTH + WORLD_WIDTH / 2);
+	int y = int(-pos.y / TILE_HEIGHT);
+	if (x < 0 || x >= WORLD_WIDTH || y < 0 || y >= WORLD_HEIGHT) {
+		return nullptr;
+	}
+	return m_worldTiles[x][y];
+}
+void WorldGridManager::SetTileAtIndex(const int x, const int y, WorldTile* tile) {
+	m_worldTiles[x][y] = tile;
+}