feat(Tools/MMaps): Allow to specify different Recast settings for different maps (#10922)

2 files changed, 66 insertions, 34 deletions

diff --git a/src/tools/mmaps_generator/MapBuilder.cpp b/src/tools/mmaps_generator/MapBuilder.cpp
index 64bcaffc46..089e81970c 100644
--- a/src/tools/mmaps_generator/MapBuilder.cpp
+++ b/src/tools/mmaps_generator/MapBuilder.cpp
@@ -545,40 +545,10 @@ namespace MMAP
         int lTriCount = meshData.liquidTris.size() / 3;
         uint8* lTriFlags = meshData.liquidType.getCArray();
 
-        // these are WORLD UNIT based metrics
-        // this are basic unit dimentions
-        // value have to divide GRID_SIZE(533.3333f) ( aka: 0.5333, 0.2666, 0.3333, 0.1333, etc )
-        const static float BASE_UNIT_DIM = m_bigBaseUnit ? 0.5333333f : 0.2666666f;
-
-        // All are in UNIT metrics!
-        const static int VERTEX_PER_MAP = int(GRID_SIZE / BASE_UNIT_DIM + 0.5f);
-        const static int VERTEX_PER_TILE = m_bigBaseUnit ? 40 : 80; // must divide VERTEX_PER_MAP
-        const static int TILES_PER_MAP = VERTEX_PER_MAP / VERTEX_PER_TILE;
-
-        rcConfig config;
-        memset(&config, 0, sizeof(rcConfig));
-
-        rcVcopy(config.bmin, bmin);
-        rcVcopy(config.bmax, bmax);
-
-        config.maxVertsPerPoly = DT_VERTS_PER_POLYGON;
-        config.cs = BASE_UNIT_DIM;
-        config.ch = BASE_UNIT_DIM;
-        config.walkableSlopeAngle = m_maxWalkableAngle;
-        config.tileSize = VERTEX_PER_TILE;
-        config.walkableRadius = m_bigBaseUnit ? 1 : 2;
-        config.borderSize = config.walkableRadius + 3;
-        config.maxEdgeLen = VERTEX_PER_TILE + 1;        // anything bigger than tileSize
-        // a value >= 3|6 allows npcs to walk over some fences
-        // a value >= 4|8 allows npcs to walk over all fences
-        // we prefer 3 and 6 for both Height/Climb as it's closer to be like retail
-        config.walkableHeight = m_bigBaseUnit ? 3 : 6;
-        config.walkableClimb = m_bigBaseUnit ? 3 : 6;
-        config.minRegionArea = rcSqr(60);
-        config.mergeRegionArea = rcSqr(50);
-        config.maxSimplificationError = 1.8f;           // eliminates most jagged edges (tiny polygons)
-        config.detailSampleDist = config.cs * 16;
-        config.detailSampleMaxError = config.ch * 1;
+        const TileConfig tileConfig = TileConfig(m_bigBaseUnit);
+        int TILES_PER_MAP = tileConfig.TILES_PER_MAP;
+        float BASE_UNIT_DIM = tileConfig.BASE_UNIT_DIM;
+        rcConfig config = GetMapSpecificConfig(mapID, bmin, bmax, tileConfig);
 
         // this sets the dimensions of the heightfield - should maybe happen before border padding
         rcCalcGridSize(config.bmin, config.bmax, config.cs, &config.width, &config.height);
@@ -1003,6 +973,45 @@ namespace MMAP
         return true;
     }
 
+    rcConfig MapBuilder::GetMapSpecificConfig(uint32 mapID, float bmin[3], float bmax[3], const TileConfig &tileConfig)
+    {
+        rcConfig config;
+        memset(&config, 0, sizeof(rcConfig));
+
+        rcVcopy(config.bmin, bmin);
+        rcVcopy(config.bmax, bmax);
+
+        config.maxVertsPerPoly = DT_VERTS_PER_POLYGON;
+        config.cs = tileConfig.BASE_UNIT_DIM;
+        config.ch = tileConfig.BASE_UNIT_DIM;
+        config.walkableSlopeAngle = m_maxWalkableAngle;
+        config.tileSize = tileConfig.VERTEX_PER_TILE;
+        config.walkableRadius = m_bigBaseUnit ? 1 : 2;
+        config.borderSize = config.walkableRadius + 3;
+        config.maxEdgeLen = tileConfig.VERTEX_PER_TILE + 1;        // anything bigger than tileSize
+        config.walkableHeight = m_bigBaseUnit ? 3 : 6;
+        // a value >= 3|6 allows npcs to walk over some fences
+        // a value >= 4|8 allows npcs to walk over all fences
+        config.walkableClimb = m_bigBaseUnit ? 4 : 8;
+        config.minRegionArea = rcSqr(60);
+        config.mergeRegionArea = rcSqr(50);
+        config.maxSimplificationError = 1.8f;           // eliminates most jagged edges (tiny polygons)
+        config.detailSampleDist = config.cs * 16;
+        config.detailSampleMaxError = config.ch * 1;
+
+        switch (mapID)
+        {
+            // Blade's Edge Arena
+            case 562:
+                config.walkableRadius = 0;
+                break;
+            default:
+                break;
+        }
+
+        return config;
+    }
+
     /**************************************************************************/
     uint32 MapBuilder::percentageDone(uint32 totalTiles, uint32 totalTilesBuilt)
     {
diff --git a/src/tools/mmaps_generator/MapBuilder.h b/src/tools/mmaps_generator/MapBuilder.h
index 2d553dd983..d7c43a6460 100644
--- a/src/tools/mmaps_generator/MapBuilder.h
+++ b/src/tools/mmaps_generator/MapBuilder.h
@@ -72,6 +72,27 @@ namespace MMAP
         rcPolyMeshDetail* dmesh{nullptr};
     };
 
+    struct TileConfig
+    {
+        TileConfig(bool bigBaseUnit)
+        {
+            // these are WORLD UNIT based metrics
+            // this are basic unit dimentions
+            // value have to divide GRID_SIZE(533.3333f) ( aka: 0.5333, 0.2666, 0.3333, 0.1333, etc )
+            BASE_UNIT_DIM = bigBaseUnit ? 0.5333333f : 0.2666666f;
+
+            // All are in UNIT metrics!
+            VERTEX_PER_MAP = int(GRID_SIZE / BASE_UNIT_DIM + 0.5f);
+            VERTEX_PER_TILE = bigBaseUnit ? 40 : 80; // must divide VERTEX_PER_MAP
+            TILES_PER_MAP = VERTEX_PER_MAP / VERTEX_PER_TILE;
+        }
+
+        float BASE_UNIT_DIM;
+        int VERTEX_PER_MAP;
+        int VERTEX_PER_TILE;
+        int TILES_PER_MAP;
+    };
+
     class MapBuilder
     {
     public:
@@ -126,6 +147,8 @@ namespace MMAP
         bool isTransportMap(uint32 mapID);
         bool shouldSkipTile(uint32 mapID, uint32 tileX, uint32 tileY);
 
+        rcConfig GetMapSpecificConfig(uint32 mapID, float bmin[3], float bmax[3], const TileConfig &tileConfig);
+
         uint32 percentageDone(uint32 totalTiles, uint32 totalTilesDone);
 
         TerrainBuilder* m_terrainBuilder{nullptr};