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This commit is contained in:
Tim Blume 2024-06-06 22:58:42 +02:00
parent 6137a4ed7b
commit a871e785af
9 changed files with 372 additions and 49 deletions
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1
CMakeLists.txt
View file

@ -12,7 +12,6 @@ add_subdirectory(recastnavigation)
add_library(godot-recast-navigation SHARED
src/registration.cpp
src/RecastConfig.cpp
src/RecastNavMesh.cpp
)

2
godot-cpp

@ -1 +1 @@
Subproject commit a62f633cebee4b36356dc903d00670733cd28fb1
Subproject commit 21d526e5e5b1e5d8b6be4db05a704c2c2e7837a9

58
src/RecastConfig.cpp
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@ -7,24 +7,78 @@ godot::RecastConfig::~RecastConfig() {
}
void godot::RecastConfig::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_width", "width"), &RecastConfig::set_width);
ClassDB::bind_method(D_METHOD("set_height", "height"), &RecastConfig::set_height);
ClassDB::bind_method(D_METHOD("get_width"), &RecastConfig::get_width);
ClassDB::bind_method(D_METHOD("get_height"), &RecastConfig::get_height);
ClassDB::bind_method(D_METHOD("set_tile_size", "tile_size"), &RecastConfig::set_tile_size);
ClassDB::bind_method(D_METHOD("get_tile_size"), &RecastConfig::get_tile_size);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "tile_size"), "set_tile_size", "get_tile_size");
ClassDB::bind_method(D_METHOD("set_border_size", "border_size"), &RecastConfig::set_border_size);
ClassDB::bind_method(D_METHOD("get_border_size"), &RecastConfig::get_border_size);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "border_size"), "set_border_size", "get_border_size");
ClassDB::bind_method(D_METHOD("set_cs", "cs"), &RecastConfig::set_cs);
ClassDB::bind_method(D_METHOD("get_cs"), &RecastConfig::get_cs);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "cell_size"), "set_cs", "get_cs");
ClassDB::bind_method(D_METHOD("set_ch", "ch"), &RecastConfig::set_ch);
ClassDB::bind_method(D_METHOD("get_ch"), &RecastConfig::get_ch);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "cell_height"), "set_ch", "get_ch");
ClassDB::bind_method(D_METHOD("set_bmin", "bmin"), &RecastConfig::set_bmin);
ClassDB::bind_method(D_METHOD("get_bmin"), &RecastConfig::get_bmin);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "bounds_min"), "set_bmin", "get_bmin");
ClassDB::bind_method(D_METHOD("set_bmax", "bmax"), &RecastConfig::set_bmax);
ClassDB::bind_method(D_METHOD("get_bmax"), &RecastConfig::get_bmax);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "bounds_max"), "set_bmax", "get_bmax");
ClassDB::bind_method(D_METHOD("set_walkable_slope_angle", "walkable_slope_angle"), &RecastConfig::set_walkable_slope_angle);
ClassDB::bind_method(D_METHOD("get_walkable_slope_angle"), &RecastConfig::get_walkable_slope_angle);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "walkable_slope_angle"), "set_walkable_slope_angle", "get_walkable_slope_angle");
ClassDB::bind_method(D_METHOD("set_walkable_height", "walkable_height"), &RecastConfig::set_walkable_height);
ClassDB::bind_method(D_METHOD("get_walkable_height"), &RecastConfig::get_walkable_height);
ADD_PROPERTY(PropertyInfo(Variant::INT, "walkable_height"), "set_walkable_height", "get_walkable_height");
ClassDB::bind_method(D_METHOD("set_walkable_climb", "walkable_climb"), &RecastConfig::set_walkable_climb);
ClassDB::bind_method(D_METHOD("get_walkable_climb"), &RecastConfig::get_walkable_climb);
ADD_PROPERTY(PropertyInfo(Variant::INT, "walkable_climb"), "set_walkable_climb", "get_walkable_climb");
ClassDB::bind_method(D_METHOD("set_walkable_radius", "walkable_radius"), &RecastConfig::set_walkable_radius);
ClassDB::bind_method(D_METHOD("get_walkable_radius"), &RecastConfig::get_walkable_radius);
ADD_PROPERTY(PropertyInfo(Variant::INT, "walkable_radius"), "set_walkable_radius", "get_walkable_radius");
ClassDB::bind_method(D_METHOD("set_max_edge_len", "max_edge_len"), &RecastConfig::set_max_edge_len);
ClassDB::bind_method(D_METHOD("get_max_edge_len"), &RecastConfig::get_max_edge_len);
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_edge_length"), "set_max_edge_len", "get_max_edge_len");
ClassDB::bind_method(D_METHOD("set_max_simplification_error", "max_simplification_error"), &RecastConfig::set_max_simplification_error);
ClassDB::bind_method(D_METHOD("get_max_simplification_error"), &RecastConfig::get_max_simplification_error);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "max_simplification_error"), "set_max_simplification_error", "get_max_simplification_error");
ClassDB::bind_method(D_METHOD("set_min_region_area", "min_region_area"), &RecastConfig::set_min_region_area);
ClassDB::bind_method(D_METHOD("get_min_region_area"), &RecastConfig::get_min_region_area);
ADD_PROPERTY(PropertyInfo(Variant::INT, "min_region_area"), "set_min_region_area", "get_min_region_area");
ClassDB::bind_method(D_METHOD("set_merge_region_area", "merge_region_area"), &RecastConfig::set_merge_region_area);
ClassDB::bind_method(D_METHOD("get_merge_region_area"), &RecastConfig::get_merge_region_area);
ADD_PROPERTY(PropertyInfo(Variant::INT, "merge_region_area"), "set_merge_region_area", "get_merge_region_area");
ClassDB::bind_method(D_METHOD("set_max_verts_per_poly", "max_verts_per_poly"), &RecastConfig::set_max_verts_per_poly);
ClassDB::bind_method(D_METHOD("get_max_verts_per_poly"), &RecastConfig::get_max_verts_per_poly);
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_verts_per_poly"), "set_max_verts_per_poly", "get_max_verts_per_poly");
ClassDB::bind_method(D_METHOD("set_detail_sample_dist", "detail_sample_dist"), &RecastConfig::set_detail_sample_dist);
ClassDB::bind_method(D_METHOD("get_detail_sample_dist"), &RecastConfig::get_detail_sample_dist);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "detail_sample_dist"), "set_detail_sample_dist", "get_detail_sample_dist");
ClassDB::bind_method(D_METHOD("set_detail_sample_max_error", "detail_sample_max_error"), &RecastConfig::set_detail_sample_max_error);
ClassDB::bind_method(D_METHOD("get_detail_sample_max_error"), &RecastConfig::get_detail_sample_max_error);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "detail_sample_max_error"), "set_detail_sample_max_error", "get_detail_sample_max_error");
ClassDB::bind_method(D_METHOD("set_partition_type", "partition_type"), &RecastConfig::set_partition_type);
ClassDB::bind_method(D_METHOD("get_partition_type"), &RecastConfig::get_partition_type);
ADD_PROPERTY(PropertyInfo(Variant::INT, "partition_type", PROPERTY_HINT_ENUM, "Watershed,Monotone,Layers"), "set_partition_type", "get_partition_type");
}

57
src/RecastConfig.hpp
View file

@ -4,12 +4,7 @@
#include "godot_cpp/classes/object.hpp"
#include "godot_cpp/classes/node3d.hpp"
enum RecastPartitionTypes {
WATERSHED,
MONOTONE,
LAYERS
};
#include "godot_cpp/variant/string.hpp"
namespace godot {
struct RecastConfig : public Object {
@ -19,64 +14,93 @@ protected:
static void _bind_methods();
public:
rcConfig config;
RecastPartitionTypes partition_type = WATERSHED;
RecastPartitionType partition_type = WATERSHED;
RecastConfig();
~RecastConfig();
/// The width of the field along the x-axis. [Limit: >= 0] [Units: vx]
void set_width(int width) { config.width = width; }
int get_width() { return config.width; }
/// The height of the field along the z-axis. [Limit: >= 0] [Units: vx]
void set_height(int height) { config.height = height; }
int get_height() { return config.height; }
/// The width/height size of tile's on the xz-plane. [Limit: >= 0] [Units: vx]
void set_tile_size(float tile_size) { config.tileSize = tile_size; }
float get_tile_size() { return config.tileSize; }
/// The size of the non-navigable border around the heightfield. [Limit: >=0] [Units: vx]
void set_border_size(int border_size) { config.borderSize = border_size; }
int get_border_size() { return config.borderSize; }
/// The xz-plane cell size to use for fields. [Limit: > 0] [Units: wu]
void set_cs(float cs) { config.cs = cs; }
void set_cs(float cs) {
config.cs = cs;
// update width & height of the grid
rcCalcGridSize(config.bmin, config.bmax, config.cs, &config.width, &config.height);
}
float get_cs() { return config.cs; }
/// The y-axis cell size to use for fields. [Limit: > 0] [Units: wu]
void set_ch(float ch) { config.ch = ch; }
float get_ch() { return config.ch; }
/// The minimum bounds of the field's AABB. [(x, y, z)] [Units: wu]
void set_bmin(const Vector3& bmin) {
// Vector3 can be float or double precision, but Recast expects float
config.bmin[0] = bmin.x;
config.bmin[1] = bmin.y;
config.bmin[2] = bmin.z;
// update width & height of the grid
rcCalcGridSize(config.bmin, config.bmax, config.cs, &config.width, &config.height);
}
Vector3 get_bmin() {
return Vector3(config.bmin[0], config.bmin[1], config.bmin[2]);
}
/// The maximum bounds of the field's AABB. [(x, y, z)] [Units: wu]
void set_bmax(const Vector3& bmax) {
config.bmax[0] = bmax.x;
config.bmax[1] = bmax.y;
config.bmax[2] = bmax.z;
// update width & height of the grid
rcCalcGridSize(config.bmin, config.bmax, config.cs, &config.width, &config.height);
}
Vector3 get_bmax() {
return Vector3(config.bmax[0], config.bmax[1], config.bmax[2]);
}
/// The maximum slope that is considered walkable. [Limits: 0 <= value < 90] [Units: Degrees]
void set_walkable_slope_angle(float walkable_slope_angle) { config.walkableSlopeAngle = walkable_slope_angle; }
float get_walkable_slope_angle() { return config.walkableSlopeAngle; }
/// Minimum floor to 'ceiling' height that will still allow the floor area to
/// be considered walkable. [Limit: >= 3] [Units: vx]
void set_walkable_height(float walkable_height) { config.walkableHeight = walkable_height; }
float get_walkable_height() { return config.walkableHeight; }
/// Maximum ledge height that is considered to still be traversable. [Limit: >=0] [Units: vx]
void set_walkable_climb(float walkable_climb) { config.walkableClimb = walkable_climb; }
float get_walkable_climb() { return config.walkableClimb; }
/// The distance to erode/shrink the walkable area of the heightfield away from
/// obstructions. [Limit: >=0] [Units: vx]
void set_walkable_radius(float walkable_radius) { config.walkableRadius = walkable_radius; }
float get_walkable_radius() { return config.walkableRadius; }
/// The maximum allowed length for contour edges along the border of the mesh. [Limit: >=0] [Units: vx]
void set_max_edge_len(int max_edge_len) { config.maxEdgeLen = max_edge_len; }
int get_max_edge_len() { return config.maxEdgeLen; }
/// The maximum distance a simplified contour's border edges should deviate
/// the original raw contour. [Limit: >=0] [Units: vx]
void set_max_simplification_error(float max_simplification_error) { config.maxSimplificationError = max_simplification_error; }
float get_max_simplification_error() { return config.maxSimplificationError; }
/// The minimum number of cells allowed to form isolated island areas. [Limit: >=0] [Units: vx]
void set_min_region_area(int min_region_area) { config.minRegionArea = min_region_area; }
int get_min_region_area() { return config.minRegionArea; }
/// Any regions with a span count smaller than this value will, if possible,
/// be merged with larger regions. [Limit: >=0] [Units: vx]
void set_merge_region_area(int merge_region_area) { config.mergeRegionArea = merge_region_area; }
int get_merge_region_area() { return config.mergeRegionArea; }
/// The maximum number of vertices allowed for polygons generated during the
/// contour to polygon conversion process. [Limit: >= 3]
void set_max_verts_per_poly(int max_verts_per_poly) { config.maxVertsPerPoly = max_verts_per_poly; }
int get_max_verts_per_poly() { return config.maxVertsPerPoly; }
/// Sets the sampling distance to use when generating the detail mesh.
/// (For height detail only.) [Limits: 0 or >= 0.9] [Units: wu]
void set_detail_sample_dist(float detail_sample_dist) { config.detailSampleDist = detail_sample_dist; }
float get_detail_sample_dist() { return config.detailSampleDist; }
/// The maximum distance the detail mesh surface should deviate from heightfield
/// data. (For height detail only.) [Limit: >=0] [Units: wu]
void set_detail_sample_max_error(float detail_sample_max_error) { config.detailSampleMaxError = detail_sample_max_error; }
float get_detail_sample_max_error() { return config.detailSampleMaxError; }
/// The partition type to use for the heightfield.
///
/// Allowed values are:
@ -85,14 +109,13 @@ public:
/// - LAYERS
///
/// Any other value will lead to no change in the partition type.
void set_partition_type(const std::string& partition_type) {
if (partition_type == "WATERSHED") {
this->partition_type = WATERSHED;
} else if (partition_type == "MONOTONE") {
this->partition_type = MONOTONE;
} else if (partition_type == "LAYERS") {
this->partition_type = LAYERS;
void set_partition_type(int partition_type) {
if((partition_type >= 0) && (partition_type < PARTITION_TYPE_COUNT)) {
this->partition_type = (RecastPartitionType)partition_type;
}
}
int get_partition_type() {
return (int)partition_type;
}
};
}

17
src/RecastContext.cpp Normal file
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@ -0,0 +1,17 @@
#include "RecastContext.hpp"
godot::RecastContext::RecastContext() {
}
godot::RecastContext::~RecastContext() {
}
void godot::RecastContext::_bind_methods() {
ADD_SIGNAL(MethodInfo("do_log"), PropertyInfo(Variant::INT, "category"), PropertyInfo(Variant::STRING, "msg"));
}
void godot::RecastContext::doLog(const rcLogCategory category, const char* msg, const int len) {
}

19
src/RecastContext.hpp Normal file
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@ -0,0 +1,19 @@
#pragma once
#include "godot_cpp/classes/node3d.hpp"
#include "Recast.h"
namespace godot {
class RecastContext : public Object, public rcContext {
GDCLASS(RecastContext, Object)
private:
protected:
static void _bind_methods();
virtual void doLog(const rcLogCategory category, const char* msg, const int len);
public:
RecastContext();
~RecastContext();
};
}

107
src/RecastNavMesh.cpp
View file

@ -1,7 +1,6 @@
#include "RecastNavMesh.hpp"
godot::RecastNavMesh::RecastNavMesh() {
}
godot::RecastNavMesh::~RecastNavMesh() {
@ -9,13 +8,109 @@ godot::RecastNavMesh::~RecastNavMesh() {
}
void godot::RecastNavMesh::_bind_methods() {
// Config
ClassDB::bind_method(D_METHOD("get_width"), &RecastNavMesh::get_width);
ClassDB::bind_method(D_METHOD("get_height"), &RecastNavMesh::get_height);
ClassDB::bind_method(D_METHOD("set_tile_size", "tile_size"), &RecastNavMesh::set_tile_size);
ClassDB::bind_method(D_METHOD("get_tile_size"), &RecastNavMesh::get_tile_size);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "tile_size"), "set_tile_size", "get_tile_size");
ClassDB::bind_method(D_METHOD("set_border_size", "border_size"), &RecastNavMesh::set_border_size);
ClassDB::bind_method(D_METHOD("get_border_size"), &RecastNavMesh::get_border_size);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "border_size"), "set_border_size", "get_border_size");
ClassDB::bind_method(D_METHOD("set_cs", "cs"), &RecastNavMesh::set_cs);
ClassDB::bind_method(D_METHOD("get_cs"), &RecastNavMesh::get_cs);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "cell_size"), "set_cs", "get_cs");
ClassDB::bind_method(D_METHOD("set_ch", "ch"), &RecastNavMesh::set_ch);
ClassDB::bind_method(D_METHOD("get_ch"), &RecastNavMesh::get_ch);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "cell_height"), "set_ch", "get_ch");
ClassDB::bind_method(D_METHOD("set_bmin", "bmin"), &RecastNavMesh::set_bmin);
ClassDB::bind_method(D_METHOD("get_bmin"), &RecastNavMesh::get_bmin);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "bounds_min"), "set_bmin", "get_bmin");
ClassDB::bind_method(D_METHOD("set_bmax", "bmax"), &RecastNavMesh::set_bmax);
ClassDB::bind_method(D_METHOD("get_bmax"), &RecastNavMesh::get_bmax);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "bounds_max"), "set_bmax", "get_bmax");
ClassDB::bind_method(D_METHOD("set_walkable_slope_angle", "walkable_slope_angle"), &RecastNavMesh::set_walkable_slope_angle);
ClassDB::bind_method(D_METHOD("get_walkable_slope_angle"), &RecastNavMesh::get_walkable_slope_angle);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "walkable_slope_angle"), "set_walkable_slope_angle", "get_walkable_slope_angle");
ClassDB::bind_method(D_METHOD("set_walkable_height", "walkable_height"), &RecastNavMesh::set_walkable_height);
ClassDB::bind_method(D_METHOD("get_walkable_height"), &RecastNavMesh::get_walkable_height);
ADD_PROPERTY(PropertyInfo(Variant::INT, "walkable_height"), "set_walkable_height", "get_walkable_height");
ClassDB::bind_method(D_METHOD("set_walkable_climb", "walkable_climb"), &RecastNavMesh::set_walkable_climb);
ClassDB::bind_method(D_METHOD("get_walkable_climb"), &RecastNavMesh::get_walkable_climb);
ADD_PROPERTY(PropertyInfo(Variant::INT, "walkable_climb"), "set_walkable_climb", "get_walkable_climb");
ClassDB::bind_method(D_METHOD("set_walkable_radius", "walkable_radius"), &RecastNavMesh::set_walkable_radius);
ClassDB::bind_method(D_METHOD("get_walkable_radius"), &RecastNavMesh::get_walkable_radius);
ADD_PROPERTY(PropertyInfo(Variant::INT, "walkable_radius"), "set_walkable_radius", "get_walkable_radius");
ClassDB::bind_method(D_METHOD("set_max_edge_len", "max_edge_len"), &RecastNavMesh::set_max_edge_len);
ClassDB::bind_method(D_METHOD("get_max_edge_len"), &RecastNavMesh::get_max_edge_len);
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_edge_length"), "set_max_edge_len", "get_max_edge_len");
ClassDB::bind_method(D_METHOD("set_max_simplification_error", "max_simplification_error"), &RecastNavMesh::set_max_simplification_error);
ClassDB::bind_method(D_METHOD("get_max_simplification_error"), &RecastNavMesh::get_max_simplification_error);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "max_simplification_error"), "set_max_simplification_error", "get_max_simplification_error");
ClassDB::bind_method(D_METHOD("set_min_region_area", "min_region_area"), &RecastNavMesh::set_min_region_area);
ClassDB::bind_method(D_METHOD("get_min_region_area"), &RecastNavMesh::get_min_region_area);
ADD_PROPERTY(PropertyInfo(Variant::INT, "min_region_area"), "set_min_region_area", "get_min_region_area");
ClassDB::bind_method(D_METHOD("set_merge_region_area", "merge_region_area"), &RecastNavMesh::set_merge_region_area);
ClassDB::bind_method(D_METHOD("get_merge_region_area"), &RecastNavMesh::get_merge_region_area);
ADD_PROPERTY(PropertyInfo(Variant::INT, "merge_region_area"), "set_merge_region_area", "get_merge_region_area");
ClassDB::bind_method(D_METHOD("set_max_verts_per_poly", "max_verts_per_poly"), &RecastNavMesh::set_max_verts_per_poly);
ClassDB::bind_method(D_METHOD("get_max_verts_per_poly"), &RecastNavMesh::get_max_verts_per_poly);
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_verts_per_poly"), "set_max_verts_per_poly", "get_max_verts_per_poly");
ClassDB::bind_method(D_METHOD("set_detail_sample_dist", "detail_sample_dist"), &RecastNavMesh::set_detail_sample_dist);
ClassDB::bind_method(D_METHOD("get_detail_sample_dist"), &RecastNavMesh::get_detail_sample_dist);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "detail_sample_dist"), "set_detail_sample_dist", "get_detail_sample_dist");
ClassDB::bind_method(D_METHOD("set_detail_sample_max_error", "detail_sample_max_error"), &RecastNavMesh::set_detail_sample_max_error);
ClassDB::bind_method(D_METHOD("get_detail_sample_max_error"), &RecastNavMesh::get_detail_sample_max_error);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "detail_sample_max_error"), "set_detail_sample_max_error", "get_detail_sample_max_error");
ClassDB::bind_method(D_METHOD("set_partition_type", "partition_type"), &RecastNavMesh::set_partition_type);
ClassDB::bind_method(D_METHOD("get_partition_type"), &RecastNavMesh::get_partition_type);
ADD_PROPERTY(PropertyInfo(Variant::INT, "partition_type", PROPERTY_HINT_ENUM, "Watershed,Monotone,Layers"), "set_partition_type", "get_partition_type");
// Recast calls
ClassDB::bind_method(D_METHOD("clear_vertices"), &RecastNavMesh::clear_vertices);
ClassDB::bind_method(D_METHOD("add_vertices", "vertices", "area_id"), &RecastNavMesh::add_vertices);
ClassDB::bind_method(D_METHOD("recalculate_navmesh"), &RecastNavMesh::recalculate_navmesh);
ClassDB::bind_method(D_METHOD("is_calculated"), &RecastNavMesh::is_calculated);
}
bool godot::RecastNavMesh::init() {
cleanup();
rcCalcGridSize(config.bmin, config.bmax, config.cs, &config.width, &config.height);
m_heightfield = rcAllocHeightfield();
if(!m_heightfield) {
return false;
}
//if(!rcCreateHeightfield(m_ctx)) {
//}
//
return false;
}
void godot::RecastNavMesh::cleanup() {
if(m_heightfield) {
rcFreeHeightField(m_heightfield);
m_heightfield = NULL;
}
/*
delete [] m_triareas;
m_triareas = 0;
@ -34,12 +129,14 @@ void godot::RecastNavMesh::cleanup() {
*/
}
bool godot::RecastNavMesh::add_vertices(const PackedByteArray& vertices, unsigned char area_id) {
return false;
void godot::RecastNavMesh::add_vertices(PackedByteArray vertices, unsigned char area_id) {
}
bool godot::RecastNavMesh::recalculate_navmesh() {
return false;
}
void godot::RecastNavMesh::clear_vertices() {}
void godot::RecastNavMesh::clear_vertices() {
}

124
src/RecastNavMesh.hpp
View file

@ -1,24 +1,140 @@
#pragma once
#include "godot_cpp/classes/node3d.hpp"
#include "godot_cpp/templates/vector.hpp"
#include "Recast.h"
namespace godot {
enum RecastPartitionType {
WATERSHED = 0,
MONOTONE,
LAYERS,
PARTITION_TYPE_COUNT
};
class RecastNavMesh : public Node3D {
GDCLASS(RecastNavMesh, Node3D)
private:
bool calculated = false;
bool m_calculated = false;
rcConfig config;
RecastPartitionType partition_type = WATERSHED;
rcHeightfield* m_heightfield;
protected:
static void _bind_methods();
public:
RecastNavMesh();
~RecastNavMesh();
// config
/// The width of the field along the x-axis. [Limit: >= 0] [Units: vx]
int get_width() { return config.width; }
/// The height of the field along the z-axis. [Limit: >= 0] [Units: vx]
int get_height() { return config.height; }
/// The width/height size of tile's on the xz-plane. [Limit: >= 0] [Units: vx]
void set_tile_size(float tile_size) { config.tileSize = tile_size; }
float get_tile_size() { return config.tileSize; }
/// The size of the non-navigable border around the heightfield. [Limit: >=0] [Units: vx]
void set_border_size(int border_size) { config.borderSize = border_size; }
int get_border_size() { return config.borderSize; }
/// The xz-plane cell size to use for fields. [Limit: > 0] [Units: wu]
void set_cs(float cs) {
config.cs = cs;
// update width & height of the grid
rcCalcGridSize(config.bmin, config.bmax, config.cs, &config.width, &config.height);
}
float get_cs() { return config.cs; }
/// The y-axis cell size to use for fields. [Limit: > 0] [Units: wu]
void set_ch(float ch) { config.ch = ch; }
float get_ch() { return config.ch; }
/// The minimum bounds of the field's AABB. [(x, y, z)] [Units: wu]
void set_bmin(const Vector3& bmin) {
// Vector3 can be float or double precision, but Recast expects float
config.bmin[0] = bmin.x;
config.bmin[1] = bmin.y;
config.bmin[2] = bmin.z;
// update width & height of the grid
rcCalcGridSize(config.bmin, config.bmax, config.cs, &config.width, &config.height);
}
Vector3 get_bmin() {
return Vector3(config.bmin[0], config.bmin[1], config.bmin[2]);
}
/// The maximum bounds of the field's AABB. [(x, y, z)] [Units: wu]
void set_bmax(const Vector3& bmax) {
config.bmax[0] = bmax.x;
config.bmax[1] = bmax.y;
config.bmax[2] = bmax.z;
// update width & height of the grid
rcCalcGridSize(config.bmin, config.bmax, config.cs, &config.width, &config.height);
}
Vector3 get_bmax() {
return Vector3(config.bmax[0], config.bmax[1], config.bmax[2]);
}
/// The maximum slope that is considered walkable. [Limits: 0 <= value < 90] [Units: Degrees]
void set_walkable_slope_angle(float walkable_slope_angle) { config.walkableSlopeAngle = walkable_slope_angle; }
float get_walkable_slope_angle() { return config.walkableSlopeAngle; }
/// Minimum floor to 'ceiling' height that will still allow the floor area to
/// be considered walkable. [Limit: >= 3] [Units: vx]
void set_walkable_height(float walkable_height) { config.walkableHeight = walkable_height; }
float get_walkable_height() { return config.walkableHeight; }
/// Maximum ledge height that is considered to still be traversable. [Limit: >=0] [Units: vx]
void set_walkable_climb(float walkable_climb) { config.walkableClimb = walkable_climb; }
float get_walkable_climb() { return config.walkableClimb; }
/// The distance to erode/shrink the walkable area of the heightfield away from
/// obstructions. [Limit: >=0] [Units: vx]
void set_walkable_radius(float walkable_radius) { config.walkableRadius = walkable_radius; }
float get_walkable_radius() { return config.walkableRadius; }
/// The maximum allowed length for contour edges along the border of the mesh. [Limit: >=0] [Units: vx]
void set_max_edge_len(int max_edge_len) { config.maxEdgeLen = max_edge_len; }
int get_max_edge_len() { return config.maxEdgeLen; }
/// The maximum distance a simplified contour's border edges should deviate
/// the original raw contour. [Limit: >=0] [Units: vx]
void set_max_simplification_error(float max_simplification_error) { config.maxSimplificationError = max_simplification_error; }
float get_max_simplification_error() { return config.maxSimplificationError; }
/// The minimum number of cells allowed to form isolated island areas. [Limit: >=0] [Units: vx]
void set_min_region_area(int min_region_area) { config.minRegionArea = min_region_area; }
int get_min_region_area() { return config.minRegionArea; }
/// Any regions with a span count smaller than this value will, if possible,
/// be merged with larger regions. [Limit: >=0] [Units: vx]
void set_merge_region_area(int merge_region_area) { config.mergeRegionArea = merge_region_area; }
int get_merge_region_area() { return config.mergeRegionArea; }
/// The maximum number of vertices allowed for polygons generated during the
/// contour to polygon conversion process. [Limit: >= 3]
void set_max_verts_per_poly(int max_verts_per_poly) { config.maxVertsPerPoly = max_verts_per_poly; }
int get_max_verts_per_poly() { return config.maxVertsPerPoly; }
/// Sets the sampling distance to use when generating the detail mesh.
/// (For height detail only.) [Limits: 0 or >= 0.9] [Units: wu]
void set_detail_sample_dist(float detail_sample_dist) { config.detailSampleDist = detail_sample_dist; }
float get_detail_sample_dist() { return config.detailSampleDist; }
/// The maximum distance the detail mesh surface should deviate from heightfield
/// data. (For height detail only.) [Limit: >=0] [Units: wu]
void set_detail_sample_max_error(float detail_sample_max_error) { config.detailSampleMaxError = detail_sample_max_error; }
float get_detail_sample_max_error() { return config.detailSampleMaxError; }
/// The partition type to use for the heightfield.
///
/// Allowed values are:
/// - WATERSHED
/// - MONOTONE
/// - LAYERS
///
/// Any other value will lead to no change in the partition type.
void set_partition_type(int partition_type) {
if((partition_type >= 0) && (partition_type < PARTITION_TYPE_COUNT)) {
this->partition_type = (RecastPartitionType)partition_type;
}
}
int get_partition_type() {
return (int)partition_type;
}
// Recast
bool init();
void cleanup();
void clear_vertices();
bool add_vertices(const PackedByteArray& vertices, unsigned char area_id);
void add_vertices(PackedByteArray vertices, unsigned char area_id);
bool recalculate_navmesh();
bool is_calculated() { return calculated; }
bool is_calculated() { return m_calculated; }
};
}

2
src/registration.cpp
View file

@ -1,7 +1,6 @@
#include <godot_cpp/godot.hpp>
#include <godot_cpp/core/class_db.hpp>
#include "RecastConfig.hpp"
#include "RecastNavMesh.hpp"
void register_gameplay_types(godot::ModuleInitializationLevel p_level) {
@ -9,7 +8,6 @@ void register_gameplay_types(godot::ModuleInitializationLevel p_level) {
return;
}
godot::ClassDB::register_class<godot::RecastConfig>();
godot::ClassDB::register_class<godot::RecastNavMesh>();
}