WIP: Make collision generation dynamic

Terrain3D.vcxproj

@@ -145,6 +145,7 @@
     <ClInclude Include="src\register_types.h" />
     <ClInclude Include="src\terrain_3d.h" />
     <ClInclude Include="src\terrain_3d_asset_resource.h" />
+    <ClInclude Include="src\terrain_3d_collision.h" />
     <ClInclude Include="src\terrain_3d_data.h" />
     <ClInclude Include="src\terrain_3d_editor.h" />
     <ClInclude Include="src\logger.h" />
@@ -161,6 +162,7 @@
     <ClCompile Include="src\geoclipmap.cpp" />
     <ClCompile Include="src\register_types.cpp" />
     <ClCompile Include="src\terrain_3d.cpp" />
+    <ClCompile Include="src\terrain_3d_collision.cpp" />
     <ClCompile Include="src\terrain_3d_data.cpp" />
     <ClCompile Include="src\terrain_3d_editor.cpp" />
     <ClCompile Include="src\terrain_3d_instancer.cpp" />

Terrain3D.vcxproj.filters

@@ -72,6 +72,9 @@
     <ClInclude Include="src\terrain_3d_data.h">
       <Filter>5. Headers</Filter>
     </ClInclude>
+    <ClInclude Include="src\terrain_3d_collision.h">
+      <Filter>5. Headers</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="src\geoclipmap.cpp">
@@ -113,6 +116,9 @@
     <ClCompile Include="src\terrain_3d_data.cpp">
       <Filter>6. C++</Filter>
     </ClCompile>
+    <ClCompile Include="src\terrain_3d_collision.cpp">
+      <Filter>6. C++</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include=".github\actions\build-cache\action.yml">

src/constants.h

@@ -8,6 +8,7 @@ using namespace godot;
 // Constants
 
 #define RS RenderingServer::get_singleton()
+#define PS PhysicsServer3D::get_singleton()
 #define IS_EDITOR Engine::get_singleton()->is_editor_hint()
 
 #define COLOR_NAN Color(NAN, NAN, NAN, NAN)
@@ -18,12 +19,16 @@ using namespace godot;
 #define COLOR_NORMAL Color(0.5f, 0.5f, 1.0f, 1.0f)
 #define COLOR_CONTROL Color(as_float(enc_auto(true)), 0.f, 0.f, 1.0f)
 
-#ifndef FLT_MAX
 // For consistency between MSVC, gcc, clang
+#ifndef FLT_MAX
 #define FLT_MAX __FLT_MAX__
 #endif
+#ifndef FLT_MIN
+#define FLT_MIN __FLT_MIN__
+#endif
 
 #define V2(x) Vector2(x, x)
+#define V2I(x) Vector2i(x, x)
 #define V2_ZERO Vector2(0.f, 0.f)
 #define V2I_ZERO Vector2i(0, 0)
 #define V2_MAX Vector2(FLT_MAX, FLT_MAX)
@@ -47,6 +52,12 @@ using namespace godot;
 
 // Validation macros
 
+#define ASSERT(cond, ret)                                                                            \
+	if (!(cond)) {                                                                                   \
+		UtilityFunctions::push_error("Assertion '", #cond, "' failed at ", __FILE__, ":", __LINE__); \
+		return ret;                                                                                  \
+	}
+
 #define VOID // a return value for void, to avoid compiler warnings
 
 #define IS_INIT(ret)           \

src/register_types.cpp

@@ -17,6 +17,7 @@ void initialize_terrain_3d(ModuleInitializationLevel p_level) {
 	ClassDB::register_class<Terrain3DAssets>();
 	ClassDB::register_class<Terrain3DData>();
 	ClassDB::register_class<Terrain3DEditor>();
+	ClassDB::register_class<Terrain3DCollision>();
 	ClassDB::register_class<Terrain3DInstancer>();
 	ClassDB::register_class<Terrain3DMaterial>();
 	ClassDB::register_class<Terrain3DMeshAsset>();