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-rw-r--r--scene/resources/surface_tool.cpp71
1 files changed, 57 insertions, 14 deletions
diff --git a/scene/resources/surface_tool.cpp b/scene/resources/surface_tool.cpp
index 9907636e91..3ba43006a3 100644
--- a/scene/resources/surface_tool.cpp
+++ b/scene/resources/surface_tool.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -108,8 +108,55 @@ void SurfaceTool::add_vertex(const Vector3 &p_vertex) {
vtx.bones = last_bones;
vtx.tangent = last_tangent.normal;
vtx.binormal = last_normal.cross(last_tangent.normal).normalized() * last_tangent.d;
+
+ const int expected_vertices = 4;
+
+ if ((format & Mesh::ARRAY_FORMAT_WEIGHTS || format & Mesh::ARRAY_FORMAT_BONES) && (vtx.weights.size() != expected_vertices || vtx.bones.size() != expected_vertices)) {
+ //ensure vertices are the expected amount
+ ERR_FAIL_COND(vtx.weights.size() != vtx.bones.size());
+ if (vtx.weights.size() < expected_vertices) {
+ //less than requred, fill
+ for (int i = vtx.weights.size(); i < expected_vertices; i++) {
+ vtx.weights.push_back(0);
+ vtx.bones.push_back(0);
+ }
+ } else if (vtx.weights.size() > expected_vertices) {
+ //more than required, sort, cap and normalize.
+ Vector<WeightSort> weights;
+ for (int i = 0; i < vtx.weights.size(); i++) {
+ WeightSort ws;
+ ws.index = vtx.bones[i];
+ ws.weight = vtx.weights[i];
+ weights.push_back(ws);
+ }
+
+ //sort
+ weights.sort();
+ //cap
+ weights.resize(expected_vertices);
+ //renormalize
+ float total = 0;
+ for (int i = 0; i < expected_vertices; i++) {
+ total += weights[i].weight;
+ }
+
+ vtx.weights.resize(expected_vertices);
+ vtx.bones.resize(expected_vertices);
+
+ for (int i = 0; i < expected_vertices; i++) {
+ if (total > 0) {
+ vtx.weights.write[i] = weights[i].weight / total;
+ } else {
+ vtx.weights.write[i] = 0;
+ }
+ vtx.bones.write[i] = weights[i].index;
+ }
+ }
+ }
+
vertex_array.push_back(vtx);
first = false;
+
format |= Mesh::ARRAY_FORMAT_VERTEX;
}
void SurfaceTool::add_color(Color p_color) {
@@ -161,7 +208,6 @@ void SurfaceTool::add_uv2(const Vector2 &p_uv2) {
void SurfaceTool::add_bones(const Vector<int> &p_bones) {
ERR_FAIL_COND(!begun);
- ERR_FAIL_COND(p_bones.size() != 4);
ERR_FAIL_COND(!first && !(format & Mesh::ARRAY_FORMAT_BONES));
format |= Mesh::ARRAY_FORMAT_BONES;
@@ -171,8 +217,6 @@ void SurfaceTool::add_bones(const Vector<int> &p_bones) {
void SurfaceTool::add_weights(const Vector<float> &p_weights) {
ERR_FAIL_COND(!begun);
-
- ERR_FAIL_COND(p_weights.size() != 4);
ERR_FAIL_COND(!first && !(format & Mesh::ARRAY_FORMAT_WEIGHTS));
format |= Mesh::ARRAY_FORMAT_WEIGHTS;
@@ -190,10 +234,10 @@ void SurfaceTool::add_smooth_group(bool p_smooth) {
}
}
-void SurfaceTool::add_triangle_fan(const Vector<Vector3> &p_vertexes, const Vector<Vector2> &p_uvs, const Vector<Color> &p_colors, const Vector<Vector2> &p_uv2s, const Vector<Vector3> &p_normals, const Vector<Plane> &p_tangents) {
+void SurfaceTool::add_triangle_fan(const Vector<Vector3> &p_vertices, const Vector<Vector2> &p_uvs, const Vector<Color> &p_colors, const Vector<Vector2> &p_uv2s, const Vector<Vector3> &p_normals, const Vector<Plane> &p_tangents) {
ERR_FAIL_COND(!begun);
ERR_FAIL_COND(primitive != Mesh::PRIMITIVE_TRIANGLES);
- ERR_FAIL_COND(p_vertexes.size() < 3);
+ ERR_FAIL_COND(p_vertices.size() < 3);
#define ADD_POINT(n) \
{ \
@@ -207,10 +251,10 @@ void SurfaceTool::add_triangle_fan(const Vector<Vector3> &p_vertexes, const Vect
add_normal(p_normals[n]); \
if (p_tangents.size() > n) \
add_tangent(p_tangents[n]); \
- add_vertex(p_vertexes[n]); \
+ add_vertex(p_vertices[n]); \
}
- for (int i = 0; i < p_vertexes.size() - 2; i++) {
+ for (int i = 0; i < p_vertices.size() - 2; i++) {
ADD_POINT(0);
ADD_POINT(i + 1);
ADD_POINT(i + 2);
@@ -397,7 +441,8 @@ Array SurfaceTool::commit_to_arrays() {
a[i] = array;
} break;
- default: {}
+ default: {
+ }
}
}
@@ -853,7 +898,7 @@ void SurfaceTool::mikktSetTSpaceDefault(const SMikkTSpaceContext *pContext, cons
if (vtx != NULL) {
vtx->tangent = Vector3(fvTangent[0], fvTangent[1], fvTangent[2]);
- vtx->binormal = Vector3(fvBiTangent[0], fvBiTangent[1], fvBiTangent[2]);
+ vtx->binormal = Vector3(-fvBiTangent[0], -fvBiTangent[1], -fvBiTangent[2]); // for some reason these are reversed, something with the coordinate system in Godot
}
}
@@ -1012,7 +1057,7 @@ void SurfaceTool::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_weights", "weights"), &SurfaceTool::add_weights);
ClassDB::bind_method(D_METHOD("add_smooth_group", "smooth"), &SurfaceTool::add_smooth_group);
- ClassDB::bind_method(D_METHOD("add_triangle_fan", "vertexes", "uvs", "colors", "uv2s", "normals", "tangents"), &SurfaceTool::add_triangle_fan, DEFVAL(Vector<Vector2>()), DEFVAL(Vector<Color>()), DEFVAL(Vector<Vector2>()), DEFVAL(Vector<Vector3>()), DEFVAL(Vector<Plane>()));
+ ClassDB::bind_method(D_METHOD("add_triangle_fan", "vertices", "uvs", "colors", "uv2s", "normals", "tangents"), &SurfaceTool::add_triangle_fan, DEFVAL(Vector<Vector2>()), DEFVAL(Vector<Color>()), DEFVAL(Vector<Vector2>()), DEFVAL(Vector<Vector3>()), DEFVAL(Vector<Plane>()));
ClassDB::bind_method(D_METHOD("add_index", "index"), &SurfaceTool::add_index);
@@ -1021,8 +1066,6 @@ void SurfaceTool::_bind_methods() {
ClassDB::bind_method(D_METHOD("generate_normals", "flip"), &SurfaceTool::generate_normals, DEFVAL(false));
ClassDB::bind_method(D_METHOD("generate_tangents"), &SurfaceTool::generate_tangents);
- ClassDB::bind_method(D_METHOD("add_to_format", "flags"), &SurfaceTool::add_to_format);
-
ClassDB::bind_method(D_METHOD("set_material", "material"), &SurfaceTool::set_material);
ClassDB::bind_method(D_METHOD("clear"), &SurfaceTool::clear);