working on building roofs

1 files changed, 22 insertions, 2 deletions

diff --git a/src/entity.c b/src/entity.c
index fa3a414..1d10e4f 100644
--- a/src/entity.c
+++ b/src/entity.c
@@ -239,7 +239,7 @@ void placeEntityOnGround(Entity* entity, const World* world)
 
   if (entityIsBuilding(entity->id))
   {
-    position.y += ENTITY_BUILDING_GROUND_OFFSET;
+    position.y += TOUCHING_OFFSET;
   }
   else
   {
@@ -335,10 +335,22 @@ EntityBuilding* createEntityBuilding(Image heightmap)
     return NULL;
   }
 
+  float widthInWorld = heightmap.width * ENTITY_BUILDING_CUBE_SIZE.x;
+  float heightInWorld = heightmap.height * ENTITY_BUILDING_CUBE_SIZE.z;
+
   *entityBuilding = (EntityBuilding){
     .model = LoadModelFromMesh(GenMeshCubicmap(heightmap,
                                                ENTITY_BUILDING_CUBE_SIZE)),
-    .pixelMap = LoadImageColors(heightmap)
+    .pixelMap = LoadImageColors(heightmap),
+    .width = heightmap.width,
+    .height = heightmap.height,
+    .roofSize = (hypotf(widthInWorld, heightInWorld) +
+                 ENTITY_BUILDING_CUBE_SIZE.x) / 2.0,
+    .roofHeight = BUILDING_DEFAULT_ROOF_HEIGHT,
+    .roofOffset = (Vector3){
+      widthInWorld / 2.0 - ENTITY_BUILDING_CUBE_SIZE.x / 2.0,
+      ENTITY_BUILDING_CUBE_SIZE.y + TOUCHING_OFFSET,
+      heightInWorld / 2.0 - ENTITY_BUILDING_CUBE_SIZE.z / 2.0}
   };
 
   return entityBuilding;
@@ -353,3 +365,11 @@ void freeEntityBuilding(EntityBuilding* entityBuilding)
     FT_FREE(entityBuilding);
   }
 }
+
+void drawBuildingRoof(const EntityBuilding* building, Vector3 position,
+                      Color color)
+{
+  DrawCylinder(Vector3Add(position, building->roofOffset), 1.0,
+               building->roofSize, building->roofHeight, BUILDING_ROOF_SLICES,
+               color);
+}