1 files changed, 65 insertions, 0 deletions
diff --git a/source/blender/simulation/intern/simulation_collect_influences.hh b/source/blender/simulation/intern/simulation_collect_influences.hh
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+++ b/source/blender/simulation/intern/simulation_collect_influences.hh
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+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#pragma once
+
+#include "NOD_derived_node_tree.hh"
+
+#include "BLI_resource_collector.hh"
+
+#include "simulation_solver_influences.hh"
+
+namespace blender::sim {
+
+class RequiredStates {
+ private:
+  Map<std::string, const char *> state_type_by_state_name_;
+
+ public:
+  void add(std::string state_name, const char *state_type)
+  {
+    BLI_assert(state_type != nullptr);
+    const char *type_name = state_type_by_state_name_.lookup_default(state_name, nullptr);
+    if (type_name != nullptr) {
+      if (!STREQ(state_type, type_name)) {
+        std::cout << "Warning: Tried to have two different states with the same name.\n";
+        std::cout << "    Name: " << state_name << "\n";
+        std::cout << "    Type 1: " << state_type << "\n";
+        std::cout << "    Type 2: " << type_name << "\n";
+      }
+      return;
+    }
+
+    state_type_by_state_name_.add(std::move(state_name), state_type);
+  }
+
+  const Map<std::string, const char *> &states() const
+  {
+    return state_type_by_state_name_;
+  }
+
+  bool is_required(StringRef state_name, StringRef state_type) const
+  {
+    return state_type_by_state_name_.lookup_default_as(state_name, "") == state_type;
+  }
+};
+
+void collect_simulation_influences(Simulation &simulation,
+                                   ResourceCollector &resources,
+                                   SimulationInfluences &r_influences,
+                                   RequiredStates &r_required_states);
+
+}  // namespace blender::sim