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-rw-r--r--scene/resources/surface_tool.cpp209
1 files changed, 155 insertions, 54 deletions
diff --git a/scene/resources/surface_tool.cpp b/scene/resources/surface_tool.cpp
index 5d4c7861e3..b294991248 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 required, 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);
@@ -263,7 +307,7 @@ Array SurfaceTool::commit_to_arrays() {
}
}
- w = PoolVector<Vector3>::Write();
+ w.release();
a[i] = array;
} break;
@@ -291,7 +335,7 @@ Array SurfaceTool::commit_to_arrays() {
}
}
- w = PoolVector<Vector2>::Write();
+ w.release();
a[i] = array;
} break;
case Mesh::ARRAY_TANGENT: {
@@ -314,7 +358,7 @@ Array SurfaceTool::commit_to_arrays() {
w[idx + 3] = d < 0 ? -1 : 1;
}
- w = PoolVector<float>::Write();
+ w.release();
a[i] = array;
} break;
@@ -331,7 +375,7 @@ Array SurfaceTool::commit_to_arrays() {
w[idx] = v.color;
}
- w = PoolVector<Color>::Write();
+ w.release();
a[i] = array;
} break;
case Mesh::ARRAY_BONES: {
@@ -352,7 +396,7 @@ Array SurfaceTool::commit_to_arrays() {
}
}
- w = PoolVector<int>::Write();
+ w.release();
a[i] = array;
} break;
@@ -374,7 +418,7 @@ Array SurfaceTool::commit_to_arrays() {
}
}
- w = PoolVector<float>::Write();
+ w.release();
a[i] = array;
} break;
@@ -392,12 +436,13 @@ Array SurfaceTool::commit_to_arrays() {
w[idx] = E->get();
}
- w = PoolVector<int>::Write();
+ w.release();
a[i] = array;
} break;
- default: {}
+ default: {
+ }
}
}
@@ -724,6 +769,26 @@ void SurfaceTool::create_from(const Ref<Mesh> &p_existing, int p_surface) {
material = p_existing->surface_get_material(p_surface);
}
+void SurfaceTool::create_from_blend_shape(const Ref<Mesh> &p_existing, int p_surface, const String &p_blend_shape_name) {
+ clear();
+ primitive = p_existing->surface_get_primitive_type(p_surface);
+ Array arr = p_existing->surface_get_blend_shape_arrays(p_surface);
+ Array blend_shape_names;
+ int32_t shape_idx = -1;
+ for (int32_t i = 0; i < p_existing->get_blend_shape_count(); i++) {
+ String name = p_existing->get_blend_shape_name(i);
+ if (name == p_blend_shape_name) {
+ shape_idx = i;
+ break;
+ }
+ }
+ ERR_FAIL_COND(shape_idx == -1);
+ ERR_FAIL_COND(shape_idx >= arr.size());
+ Array mesh = arr[shape_idx];
+ ERR_FAIL_COND(mesh.size() != VS::ARRAY_MAX);
+ _create_list_from_arrays(arr[shape_idx], &vertex_array, &index_array, format);
+}
+
void SurfaceTool::append_from(const Ref<Mesh> &p_existing, int p_surface, const Transform &p_xform) {
if (vertex_array.size() == 0) {
@@ -764,10 +829,22 @@ void SurfaceTool::append_from(const Ref<Mesh> &p_existing, int p_surface, const
}
//mikktspace callbacks
+namespace {
+struct TangentGenerationContextUserData {
+ Vector<List<SurfaceTool::Vertex>::Element *> vertices;
+ Vector<List<int>::Element *> indices;
+};
+} // namespace
+
int SurfaceTool::mikktGetNumFaces(const SMikkTSpaceContext *pContext) {
- Vector<List<Vertex>::Element *> &varr = *((Vector<List<Vertex>::Element *> *)pContext->m_pUserData);
- return varr.size() / 3;
+ TangentGenerationContextUserData &triangle_data = *reinterpret_cast<TangentGenerationContextUserData *>(pContext->m_pUserData);
+
+ if (triangle_data.indices.size() > 0) {
+ return triangle_data.indices.size() / 3;
+ } else {
+ return triangle_data.vertices.size() / 3;
+ }
}
int SurfaceTool::mikktGetNumVerticesOfFace(const SMikkTSpaceContext *pContext, const int iFace) {
@@ -775,8 +852,17 @@ int SurfaceTool::mikktGetNumVerticesOfFace(const SMikkTSpaceContext *pContext, c
}
void SurfaceTool::mikktGetPosition(const SMikkTSpaceContext *pContext, float fvPosOut[], const int iFace, const int iVert) {
- Vector<List<Vertex>::Element *> &varr = *((Vector<List<Vertex>::Element *> *)pContext->m_pUserData);
- Vector3 v = varr[iFace * 3 + iVert]->get().vertex;
+ TangentGenerationContextUserData &triangle_data = *reinterpret_cast<TangentGenerationContextUserData *>(pContext->m_pUserData);
+ Vector3 v;
+ if (triangle_data.indices.size() > 0) {
+ int index = triangle_data.indices[iFace * 3 + iVert]->get();
+ if (index < triangle_data.vertices.size()) {
+ v = triangle_data.vertices[index]->get().vertex;
+ }
+ } else {
+ v = triangle_data.vertices[iFace * 3 + iVert]->get().vertex;
+ }
+
fvPosOut[0] = v.x;
fvPosOut[1] = v.y;
fvPosOut[2] = v.z;
@@ -784,38 +870,56 @@ void SurfaceTool::mikktGetPosition(const SMikkTSpaceContext *pContext, float fvP
void SurfaceTool::mikktGetNormal(const SMikkTSpaceContext *pContext, float fvNormOut[], const int iFace, const int iVert) {
- Vector<List<Vertex>::Element *> &varr = *((Vector<List<Vertex>::Element *> *)pContext->m_pUserData);
- Vector3 v = varr[iFace * 3 + iVert]->get().normal;
+ TangentGenerationContextUserData &triangle_data = *reinterpret_cast<TangentGenerationContextUserData *>(pContext->m_pUserData);
+ Vector3 v;
+ if (triangle_data.indices.size() > 0) {
+ int index = triangle_data.indices[iFace * 3 + iVert]->get();
+ if (index < triangle_data.vertices.size()) {
+ v = triangle_data.vertices[index]->get().normal;
+ }
+ } else {
+ v = triangle_data.vertices[iFace * 3 + iVert]->get().normal;
+ }
+
fvNormOut[0] = v.x;
fvNormOut[1] = v.y;
fvNormOut[2] = v.z;
}
void SurfaceTool::mikktGetTexCoord(const SMikkTSpaceContext *pContext, float fvTexcOut[], const int iFace, const int iVert) {
- Vector<List<Vertex>::Element *> &varr = *((Vector<List<Vertex>::Element *> *)pContext->m_pUserData);
- Vector2 v = varr[iFace * 3 + iVert]->get().uv;
+ TangentGenerationContextUserData &triangle_data = *reinterpret_cast<TangentGenerationContextUserData *>(pContext->m_pUserData);
+ Vector2 v;
+ if (triangle_data.indices.size() > 0) {
+ int index = triangle_data.indices[iFace * 3 + iVert]->get();
+ if (index < triangle_data.vertices.size()) {
+ v = triangle_data.vertices[index]->get().uv;
+ }
+ } else {
+ v = triangle_data.vertices[iFace * 3 + iVert]->get().uv;
+ }
+
fvTexcOut[0] = v.x;
fvTexcOut[1] = v.y;
- //fvTexcOut[1]=1.0-v.y;
}
void SurfaceTool::mikktSetTSpaceDefault(const SMikkTSpaceContext *pContext, const float fvTangent[], const float fvBiTangent[], const float fMagS, const float fMagT,
const tbool bIsOrientationPreserving, const int iFace, const int iVert) {
- Vector<List<Vertex>::Element *> &varr = *((Vector<List<Vertex>::Element *> *)pContext->m_pUserData);
- Vertex *vtx = &varr[iFace * 3 + iVert]->get();
-
- vtx->tangent = Vector3(fvTangent[0], fvTangent[1], fvTangent[2]);
- vtx->binormal = Vector3(fvBiTangent[0], fvBiTangent[1], fvBiTangent[2]);
-}
-
-void SurfaceTool::mikktSetTSpaceBasic(const SMikkTSpaceContext *pContext, const float fvTangent[], const float fSign, const int iFace, const int iVert) {
-
- Vector<List<Vertex>::Element *> &varr = *((Vector<List<Vertex>::Element *> *)pContext->m_pUserData);
- Vertex &vtx = varr[iFace * 3 + iVert]->get();
+ TangentGenerationContextUserData &triangle_data = *reinterpret_cast<TangentGenerationContextUserData *>(pContext->m_pUserData);
+ Vertex *vtx = NULL;
+ if (triangle_data.indices.size() > 0) {
+ int index = triangle_data.indices[iFace * 3 + iVert]->get();
+ if (index < triangle_data.vertices.size()) {
+ vtx = &triangle_data.vertices[index]->get();
+ }
+ } else {
+ vtx = &triangle_data.vertices[iFace * 3 + iVert]->get();
+ }
- vtx.tangent = Vector3(fvTangent[0], fvTangent[1], fvTangent[2]);
- vtx.binormal = vtx.normal.cross(vtx.tangent) * fSign;
+ if (vtx != NULL) {
+ vtx->tangent = Vector3(fvTangent[0], fvTangent[1], fvTangent[2]);
+ vtx->binormal = Vector3(-fvBiTangent[0], -fvBiTangent[1], -fvBiTangent[2]); // for some reason these are reversed, something with the coordinate system in Godot
+ }
}
void SurfaceTool::generate_tangents() {
@@ -823,10 +927,6 @@ void SurfaceTool::generate_tangents() {
ERR_FAIL_COND(!(format & Mesh::ARRAY_FORMAT_TEX_UV));
ERR_FAIL_COND(!(format & Mesh::ARRAY_FORMAT_NORMAL));
- bool indexed = index_array.size() > 0;
- if (indexed)
- deindex();
-
SMikkTSpaceInterface mkif;
mkif.m_getNormal = mikktGetNormal;
mkif.m_getNumFaces = mikktGetNumFaces;
@@ -839,24 +939,25 @@ void SurfaceTool::generate_tangents() {
SMikkTSpaceContext msc;
msc.m_pInterface = &mkif;
- Vector<List<Vertex>::Element *> vtx;
- vtx.resize(vertex_array.size());
+ TangentGenerationContextUserData triangle_data;
+ triangle_data.vertices.resize(vertex_array.size());
int idx = 0;
for (List<Vertex>::Element *E = vertex_array.front(); E; E = E->next()) {
- vtx.write[idx++] = E;
+ triangle_data.vertices.write[idx++] = E;
E->get().binormal = Vector3();
E->get().tangent = Vector3();
}
- msc.m_pUserData = &vtx;
+ triangle_data.indices.resize(index_array.size());
+ idx = 0;
+ for (List<int>::Element *E = index_array.front(); E; E = E->next()) {
+ triangle_data.indices.write[idx++] = E;
+ }
+ msc.m_pUserData = &triangle_data;
bool res = genTangSpaceDefault(&msc);
ERR_FAIL_COND(!res);
format |= Mesh::ARRAY_FORMAT_TANGENT;
-
- if (indexed) {
- index();
- }
}
void SurfaceTool::generate_normals(bool p_flip) {
@@ -976,7 +1077,7 @@ 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);
@@ -985,15 +1086,15 @@ 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);
ClassDB::bind_method(D_METHOD("create_from", "existing", "surface"), &SurfaceTool::create_from);
+ ClassDB::bind_method(D_METHOD("create_from_blend_shape", "existing", "surface", "blend_shape"), &SurfaceTool::create_from_blend_shape);
ClassDB::bind_method(D_METHOD("append_from", "existing", "surface", "transform"), &SurfaceTool::append_from);
ClassDB::bind_method(D_METHOD("commit", "existing", "flags"), &SurfaceTool::commit, DEFVAL(Variant()), DEFVAL(Mesh::ARRAY_COMPRESS_DEFAULT));
+ ClassDB::bind_method(D_METHOD("commit_to_arrays"), &SurfaceTool::commit_to_arrays);
}
SurfaceTool::SurfaceTool() {