Initial flame_lua_runtime package

example/assets/games/flight/scripts/rules.lua

@@ -0,0 +1,153 @@
+local state = runtime.import("state")
+local board = runtime.import("board")
+
+local rules = {}
+
+local function piece_index(piece_id)
+  return piece_id:sub(-1) == "2" and 2 or 1
+end
+
+function rules.next_player()
+  for index, player in ipairs(state.players) do
+    if player == state.current_player then
+      local next_index = index + 1
+      if next_index > #state.players then
+        next_index = 1
+      end
+      return state.players[next_index]
+    end
+  end
+  return state.players[1]
+end
+
+function rules.next_dice()
+  state.dice_index = state.dice_index + 1
+  if state.dice_index > #state.dice_values then
+    state.dice_index = 1
+  end
+  return state.dice_values[state.dice_index]
+end
+
+function rules.can_move(piece, dice)
+  if piece == nil or piece.status == "finished" then
+    return false
+  end
+  if piece.status == "home" then
+    return dice == 6
+  end
+  return true
+end
+
+function rules.movable_pieces()
+  local result = {}
+  for id, piece in pairs(state.pieces) do
+    if piece.owner == state.current_player and rules.can_move(piece, state.dice) then
+      table.insert(result, id)
+    end
+  end
+  return result
+end
+
+function rules.all_piece_ids()
+  local result = {}
+  for id, _ in pairs(state.pieces) do
+    table.insert(result, id)
+  end
+  return result
+end
+
+function rules.piece_position(piece)
+  return board.position(piece)
+end
+
+function rules.plan_move(piece, dice)
+  local path = {}
+  local final_status = "route"
+  local final_progress = piece.progress
+
+  if piece.status == "home" then
+    final_progress = 1
+    table.insert(path, board.route_position(piece.owner, final_progress))
+  else
+    for step = 1, dice do
+      local progress = piece.progress + step
+      if progress >= board.finish_progress then
+        final_status = "finished"
+        final_progress = board.finish_progress
+        table.insert(path, board.finish_position(piece))
+        break
+      end
+      table.insert(path, board.route_position(piece.owner, progress))
+      final_progress = progress
+    end
+  end
+
+  local captures = {}
+  if final_status == "route" then
+    local landing_index = board.route_index(piece.owner, final_progress)
+    for id, other in pairs(state.pieces) do
+      if id ~= piece.id and other.owner ~= piece.owner and other.status == "route" then
+        if board.route_index(other.owner, other.progress) == landing_index then
+          table.insert(captures, id)
+        end
+      end
+    end
+  end
+
+  return {
+    piece_id = piece.id,
+    final_status = final_status,
+    final_progress = final_progress,
+    path = path,
+    captures = captures
+  }
+end
+
+function rules.commit_move(plan)
+  local piece = state.pieces[plan.piece_id]
+  piece.status = plan.final_status
+  piece.progress = plan.final_progress
+
+  for _, captured_id in ipairs(plan.captures) do
+    local captured = state.pieces[captured_id]
+    captured.status = "home"
+    captured.progress = 0
+  end
+end
+
+function rules.player_finished(owner)
+  for _, piece in pairs(state.pieces) do
+    if piece.owner == owner and piece.status ~= "finished" then
+      return false
+    end
+  end
+  return true
+end
+
+function rules.status_text()
+  if state.winner ~= nil then
+    return "胜利者: " .. state.winner
+  end
+  if state.phase == "waiting_roll" then
+    return "请 " .. state.current_player .. " 掷骰子"
+  end
+  if state.phase == "waiting_piece" then
+    return "请选择 " .. state.current_player .. " 的飞机"
+  end
+  if state.phase == "animating" then
+    return "飞机移动中..."
+  end
+  return "准备中"
+end
+
+function rules.piece_label(piece)
+  if piece.status == "home" then
+    return "待飞"
+  end
+  if piece.status == "finished" then
+    return "到达"
+  end
+  return tostring(piece.progress)
+end
+
+return rules