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path: root/src/openvic-simulation/interface/GFXObject.cpp
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#include "GFXObject.hpp"

using namespace OpenVic;
using namespace OpenVic::GFX;
using namespace OpenVic::NodeTools;

node_callback_t Object::expect_objects(length_callback_t length_callback, callback_t<std::unique_ptr<Object>&&> callback) {
   return expect_dictionary_keys_and_length(
      length_callback,

      "EMFXActorType", ZERO_OR_MORE, _expect_instance<Object, Actor>(callback),

      /* arrows.gfx */
      "arrowType", ZERO_OR_MORE, expect_dictionary_keys(
         "name", ONE_EXACTLY, success_callback,
         "size", ONE_EXACTLY, success_callback,
         "textureFile", ONE_EXACTLY, success_callback,
         "bodytexture", ONE_EXACTLY, success_callback,
         "color", ONE_EXACTLY, success_callback,
         "colortwo", ONE_EXACTLY, success_callback,
         "endAt", ONE_EXACTLY, success_callback,
         "height", ONE_EXACTLY, success_callback,
         "type", ONE_EXACTLY, success_callback,
         "heading", ONE_EXACTLY, success_callback,
         "effect", ONE_EXACTLY, success_callback
      ),

      /* battlearrow.gfx */
      "battlearrow", ZERO_OR_MORE, expect_dictionary_keys(
         "name", ONE_EXACTLY, success_callback,
         "textureFile", ONE_EXACTLY, success_callback,
         "textureFile1", ONE_EXACTLY, success_callback,
         "start", ONE_EXACTLY, success_callback,
         "stop", ONE_EXACTLY, success_callback,
         "x", ONE_EXACTLY, success_callback,
         "y", ONE_EXACTLY, success_callback,
         "font", ONE_EXACTLY, success_callback,
         "scale", ONE_EXACTLY, success_callback,
         "nofade", ZERO_OR_ONE, success_callback,
         "textureloop", ZERO_OR_ONE, success_callback
      ),
      "mapinfo", ZERO_OR_MORE, expect_dictionary_keys(
         "name", ONE_EXACTLY, success_callback,
         "textureFile", ZERO_OR_ONE, success_callback,
         "scale", ZERO_OR_ONE, success_callback
      ),

      /* mapitems.gfx */
      "projectionType", ZERO_OR_MORE, success_callback,
      "progressbar3dType", ZERO_OR_MORE, expect_dictionary_keys(
         "name", ONE_EXACTLY, success_callback,
         "color", ONE_EXACTLY, success_callback,
         "colortwo", ONE_EXACTLY, success_callback,
         "size", ONE_EXACTLY, success_callback,
         "effectFile", ONE_EXACTLY, success_callback
      ),
      "billboardType", ZERO_OR_MORE, expect_dictionary_keys<StringMapCaseInsensitive>(
         "name", ONE_EXACTLY, success_callback,
         "texturefile", ONE_EXACTLY, success_callback,
         "noOfFrames", ZERO_OR_ONE, success_callback,
         "scale", ONE_EXACTLY, success_callback,
         "font_size", ZERO_OR_ONE, success_callback,
         "offset2", ZERO_OR_ONE, success_callback,
         "font", ZERO_OR_ONE, success_callback
      ),

      "unitstatsBillboardType", ZERO_OR_MORE, expect_dictionary_keys(
         "name", ONE_EXACTLY, success_callback,
         "textureFile", ONE_EXACTLY, success_callback,
         "mask", ONE_EXACTLY, success_callback,
         "effectFile", ONE_EXACTLY, success_callback,
         "scale", ONE_EXACTLY, success_callback,
         "noOfFrames", ONE_EXACTLY, success_callback,
         "font_size", ONE_EXACTLY, success_callback,
         "font", ONE_EXACTLY, success_callback
      ),

      /* core.gfx */
      "animatedmaptext", ZERO_OR_MORE, expect_dictionary_keys(
         "name", ONE_EXACTLY, success_callback,
         "speed", ONE_EXACTLY, success_callback,
         "position", ZERO_OR_ONE, success_callback,
         "scale", ZERO_OR_ONE, success_callback,
         "textblock", ONE_EXACTLY, expect_dictionary_keys(
            "text", ONE_EXACTLY, success_callback,
            "color", ONE_EXACTLY, success_callback,
            "font", ONE_EXACTLY, success_callback,
            "position", ONE_EXACTLY, success_callback,
            "size", ONE_EXACTLY, success_callback,
            "format", ONE_EXACTLY, success_callback
         )
      ),
      "flagType", ZERO_OR_MORE, expect_dictionary_keys(
         "name", ONE_EXACTLY, success_callback,
         "size", ONE_EXACTLY, success_callback
      ),
      "provinceType", ZERO_OR_ONE, success_callback,
      "provinceWaterType", ZERO_OR_ONE, success_callback,
      "mapTextType", ZERO_OR_MORE, success_callback,
      "meshType", ZERO_OR_MORE, success_callback
   );
}

Actor::Attachment::Attachment(std::string_view new_actor_name, std::string_view new_attach_node, attach_id_t new_attach_id)
  : actor_name { new_actor_name }, attach_node { new_attach_node }, attach_id { new_attach_id } {}

Actor::Animation::Animation(std::string_view new_file, fixed_point_t new_scroll_time)
  : file { new_file }, scroll_time { new_scroll_time } {}

Actor::Actor() : model_file {}, scale { 1 }, idle_animation {}, move_animation {}, attack_animation {} {}

bool Actor::_set_animation(std::string_view name, std::string_view file, fixed_point_t scroll_time) {
   std::optional<Animation>* animation = nullptr;

   if (name == "idle") {
      animation = &idle_animation;
   } else if (name == "move") {
      animation = &move_animation;
   } else if (name == "attack") {
      animation = &attack_animation;
   } else {
      Logger::error(
         "Unknown animation type \"", name, "\" for actor ", get_name(), " (with file ", file, " and scroll time ",
         scroll_time, ")"
      );
      return false;
   }

   if (animation->has_value()) {
      Logger::error(
         "Duplicate ", name, " animation for actor ", get_name(), ": ", file, " with scroll time ",
         scroll_time, " (already set to ", (*animation)->file, " with scroll time ", (*animation)->scroll_time, ")"
      );
      return false;
   }

   /* Don't set static/non-moving animation, to avoid needing an AnimationPlayer for the generated Godot Skeleton3D. */
   static constexpr std::string_view null_animation = "static.xsm";
   if (file.ends_with(null_animation)) {
      return true;
   }

   animation->emplace(Animation { file, scroll_time });
   return true;
}

bool Actor::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map) {
   bool ret = Object::_fill_key_map(key_map);

   ret &= add_key_map_entries(key_map,
      "actorfile", ONE_EXACTLY, expect_string(assign_variable_callback_string(model_file)),
      "scale", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(scale)),

      "attach", ZERO_OR_MORE, [this](ast::NodeCPtr node) -> bool {
         std::string_view actor_name {}, attach_node {};
         Attachment::attach_id_t attach_id = 0;

         if (!expect_dictionary_keys<StringMapCaseInsensitive>(
            "name", ONE_EXACTLY, expect_string(assign_variable_callback(actor_name)),
            "node", ONE_EXACTLY, expect_string(assign_variable_callback(attach_node)),
            "attachId", ONE_EXACTLY, expect_uint(assign_variable_callback(attach_id))
         )(node)) {
            Logger::error("Failed to load attachment for actor ", get_name());
            return false;
         }

         attachments.push_back({ actor_name, attach_node, attach_id });
         return true;
      },

      "idle", ZERO_OR_ONE, expect_string(std::bind(&Actor::_set_animation, this, "idle", std::placeholders::_1, 0)),
      "move", ZERO_OR_ONE, expect_string(std::bind(&Actor::_set_animation, this, "move", std::placeholders::_1, 0)),
      "attack", ZERO_OR_ONE, expect_string(std::bind(&Actor::_set_animation, this, "attack", std::placeholders::_1, 0)),
      "animation", ZERO_OR_MORE, [this](ast::NodeCPtr node) -> bool {
         std::string_view name {}, file {};
         fixed_point_t scroll_time = 0;

         if (!expect_dictionary_keys<StringMapCaseInsensitive>(
            "name", ONE_EXACTLY, expect_string(assign_variable_callback(name)),
            "file", ONE_EXACTLY, expect_string(assign_variable_callback(file)),
            "defaultAnimationTime", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(scroll_time))
         )(node)) {
            Logger::error("Failed to load animation for actor ", get_name());
            return false;
         }

         return _set_animation(name, file, scroll_time);
      }
   );

   return ret;
}