From 59a9b2192eb1287c4ec2fc99397903199b19df9a Mon Sep 17 00:00:00 2001 From: kobewi Date: Fri, 17 Dec 2021 01:47:17 +0100 Subject: [PATCH] Add physics material to GridMap --- modules/gridmap/doc_classes/GridMap.xml | 3 +++ modules/gridmap/grid_map.cpp | 18 ++++++++++++++++++ modules/gridmap/grid_map.h | 6 ++++++ 3 files changed, 27 insertions(+) diff --git a/modules/gridmap/doc_classes/GridMap.xml b/modules/gridmap/doc_classes/GridMap.xml index 73315350ffc..885817caf11 100644 --- a/modules/gridmap/doc_classes/GridMap.xml +++ b/modules/gridmap/doc_classes/GridMap.xml @@ -181,6 +181,9 @@ The navigation layers the GridMap generates its navigable regions in. + + Overrides the default friction and bounce physics properties for the whole [GridMap]. + diff --git a/modules/gridmap/grid_map.cpp b/modules/gridmap/grid_map.cpp index c9d8f2b42b8..a6cc72464c9 100644 --- a/modules/gridmap/grid_map.cpp +++ b/modules/gridmap/grid_map.cpp @@ -34,6 +34,7 @@ #include "core/object/message_queue.h" #include "scene/3d/light_3d.h" #include "scene/resources/mesh_library.h" +#include "scene/resources/physics_material.h" #include "scene/resources/surface_tool.h" #include "scene/scene_string_names.h" #include "servers/navigation_server_3d.h" @@ -181,6 +182,15 @@ void GridMap::set_collision_mask_value(int p_layer_number, bool p_value) { set_collision_mask(mask); } +void GridMap::set_physics_material(Ref p_material) { + physics_material = p_material; + _recreate_octant_data(); +} + +Ref GridMap::get_physics_material() const { + return physics_material; +} + bool GridMap::get_collision_mask_value(int p_layer_number) const { ERR_FAIL_COND_V_MSG(p_layer_number < 1, false, "Collision layer number must be between 1 and 32 inclusive."); ERR_FAIL_COND_V_MSG(p_layer_number > 32, false, "Collision layer number must be between 1 and 32 inclusive."); @@ -316,6 +326,10 @@ void GridMap::set_cell_item(const Vector3i &p_position, int p_item, int p_rot) { PhysicsServer3D::get_singleton()->body_attach_object_instance_id(g->static_body, get_instance_id()); PhysicsServer3D::get_singleton()->body_set_collision_layer(g->static_body, collision_layer); PhysicsServer3D::get_singleton()->body_set_collision_mask(g->static_body, collision_mask); + if (physics_material.is_valid()) { + PhysicsServer3D::get_singleton()->body_set_param(g->static_body, PhysicsServer3D::BODY_PARAM_FRICTION, physics_material->get_friction()); + PhysicsServer3D::get_singleton()->body_set_param(g->static_body, PhysicsServer3D::BODY_PARAM_BOUNCE, physics_material->get_bounce()); + } SceneTree *st = SceneTree::get_singleton(); if (st && st->is_debugging_collisions_hint()) { @@ -801,6 +815,9 @@ void GridMap::_bind_methods() { ClassDB::bind_method(D_METHOD("set_collision_layer_value", "layer_number", "value"), &GridMap::set_collision_layer_value); ClassDB::bind_method(D_METHOD("get_collision_layer_value", "layer_number"), &GridMap::get_collision_layer_value); + ClassDB::bind_method(D_METHOD("set_physics_material", "material"), &GridMap::set_physics_material); + ClassDB::bind_method(D_METHOD("get_physics_material"), &GridMap::get_physics_material); + ClassDB::bind_method(D_METHOD("set_bake_navigation", "bake_navigation"), &GridMap::set_bake_navigation); ClassDB::bind_method(D_METHOD("is_baking_navigation"), &GridMap::is_baking_navigation); @@ -850,6 +867,7 @@ void GridMap::_bind_methods() { ClassDB::bind_method(D_METHOD("make_baked_meshes", "gen_lightmap_uv", "lightmap_uv_texel_size"), &GridMap::make_baked_meshes, DEFVAL(false), DEFVAL(0.1)); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "mesh_library", PROPERTY_HINT_RESOURCE_TYPE, "MeshLibrary"), "set_mesh_library", "get_mesh_library"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "physics_material", PROPERTY_HINT_RESOURCE_TYPE, "PhysicsMaterial"), "set_physics_material", "get_physics_material"); ADD_GROUP("Cell", "cell_"); ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "cell_size"), "set_cell_size", "get_cell_size"); ADD_PROPERTY(PropertyInfo(Variant::INT, "cell_octant_size", PROPERTY_HINT_RANGE, "1,1024,1"), "set_octant_size", "get_octant_size"); diff --git a/modules/gridmap/grid_map.h b/modules/gridmap/grid_map.h index 879489fc707..e1239f3e4fa 100644 --- a/modules/gridmap/grid_map.h +++ b/modules/gridmap/grid_map.h @@ -38,6 +38,8 @@ //heh heh, godotsphir!! this shares no code and the design is completely different with previous projects i've done.. //should scale better with hardware that supports instancing +class PhysicsMaterial; + class GridMap : public Node3D { GDCLASS(GridMap, Node3D); @@ -134,6 +136,7 @@ class GridMap : public Node3D { uint32_t collision_layer = 1; uint32_t collision_mask = 1; + Ref physics_material; bool bake_navigation = false; uint32_t navigation_layers = 1; @@ -223,6 +226,9 @@ public: void set_collision_mask_value(int p_layer_number, bool p_value); bool get_collision_mask_value(int p_layer_number) const; + void set_physics_material(Ref p_material); + Ref get_physics_material() const; + void set_bake_navigation(bool p_bake_navigation); bool is_baking_navigation();