Changeset 510

Timestamp:

07/27/16 19:06:49 (9 years ago)

Author:

epyon

Message:

• choice a enum instead of boolean - pattern support

Location:

trunk

Files:

• nv/engine/model_manager.hh (modified) (6 diffs)
• src/engine/default_resource_manager.cc (modified) (1 diff)
• src/engine/model_manager.cc (modified) (1 diff)

trunk/nv/engine/model_manager.hh

@@ -27 +27 @@
 namespace nv
 {
+        enum class model_node_choice
+        {
+                ALL,
+                WEIGHTED,
+                PATTERN_CHECKER
+        };
 
         struct model_node
@@ -40 +46 @@
                 float                        chance    = 1.0f;
                 bool                         force     = false;
-                bool                         choice    = false;
+                model_node_choice            choice    = model_node_choice::ALL;
 
                 void clone_values_to( model_node* target ) const
@@ -118 +124 @@
                 virtual string_view get_storage_name() const { return "models"; }
                 virtual string_view get_resource_name() const { return "model"; }
-                static flat_model flatten( const model* m, random_base& rng, vector< const model_node* >* map = nullptr, uint32 gen_flags = 0, const model_node* select = nullptr )
+                static flat_model flatten( 
+                        const model* m, 
+                        random_base& rng, 
+                        ivec2 control,
+                        vector< const model_node* >* map = nullptr, 
+                        uint32 gen_flags = 0, 
+                        const model_node* select = nullptr )
                 {
                         flat_model result;
@@ -125 +137 @@
                         result.local = m->root;
                         result.count = 0;
-                        flatten( result, m, rng, transform(), -1, map, gen_flags, 0, select );
+                        flatten( result, m, rng, control, transform(), -1, map, gen_flags, 0, select );
                         return result;
                 }
@@ -133 +145 @@
                         const model_node* m, 
                         random_base& rng, 
+                        ivec2 control,
                         const transform& ptr, 
                         sint16 parent_id, 
@@ -198 +211 @@
                         }
 
-                        if ( m->choice )
+                        if ( m->choice != model_node_choice::ALL )
                         {
-                                uint16 total_weight = 0;
-                                for ( auto c : m->children ) 
-                                        total_weight += c->weight;
-                                if ( total_weight > 0 )
-                                {
+                                model_node* pick = nullptr;
+                                if ( m->choice == model_node_choice::WEIGHTED )
+                                {
+                                        uint16 total_weight = 0;
+                                        for ( auto c : m->children )
+                                                total_weight += c->weight;
+                                        if ( total_weight == 0 ) return;
                                         sint32 roll = rng.srand( total_weight );
-                                        model_node* pick = nullptr;
                                         for ( auto c : m->children )
                                         {
                                                 roll -= c->weight;
-                                                if ( roll < 0 )
-                                                {
-                                                        pick = c;
-                                                        break;
-                                                }
+                                                if ( roll < 0 ) { pick = c; break; }
                                         }
-                                        if ( gen_flags & FF_GENERATE_CHOICE )
-                                                for ( auto c : m->children )
-                                                {
-                                                        uint32 flags = parent_flags;
-                                                        if ( c != pick ) flags |= FMF_FAIL_CHOICE;
-                                                        flatten( result, c, rng, tr, parent_id, map, gen_flags, flags, selected );
-                                                }
-                                        else
-                                                flatten( result, pick, rng, tr, parent_id, map, gen_flags, parent_flags, selected );
-                                }
+                                }
+                                else if ( m->choice == model_node_choice::PATTERN_CHECKER )
+                                {
+                                        pick = m->children[( control.x + control.y ) % m->children.size()];
+                                }
+
+                                if ( pick == nullptr ) return;
+                                if ( gen_flags & FF_GENERATE_CHOICE )
+                                        for ( auto c : m->children )
+                                        {
+                                                uint32 flags = parent_flags;
+                                                if ( c != pick ) flags |= FMF_FAIL_CHOICE;
+                                                flatten( result, c, rng, control, tr, parent_id, map, gen_flags, flags, selected );
+                                        }
+                                else
+                                        flatten( result, pick, rng, control, tr, parent_id, map, gen_flags, parent_flags, selected );
                         }
                         else
                                 for ( auto c : m->children )
                                 {
-                                        flatten( result, c, rng, tr, parent_id, map, gen_flags, parent_flags, selected );
+                                        flatten( result, c, rng, control, tr, parent_id, map, gen_flags, parent_flags, selected );
                                 }
                 }

trunk/src/engine/default_resource_manager.cc

@@ -61 +61 @@
         m_lua->register_enum( "EASING_SINE",    static_cast<int>( easing_type::SINE ) );
 
+        m_lua->register_enum( "CHOICE_ALL", static_cast<int>( model_node_choice::ALL ) );
+        m_lua->register_enum( "CHOICE_WEIGHTED", static_cast<int>( model_node_choice::WEIGHTED ) );
+        m_lua->register_enum( "CHOICE_PATTERN_CHECKER", static_cast<int>( model_node_choice::PATTERN_CHECKER ) );
+
         m_materials->initialize( lua );
         m_programs->initialize( lua );

trunk/src/engine/model_manager.cc

@@ -104 +104 @@
 
         node->force     = table.get_boolean( "force", false );
-        node->choice    = table.get_boolean( "choice", false );
+        node->choice    = model_node_choice( table.get_unsigned( "choice", false ) );
         node->chance    = table.get_float( "chance", 1.0f );
         node->weight    = table.get_unsigned( "weight", 1 );