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-rw-r--r--assetFactory/asset.cpp10
-rw-r--r--assetFactory/asset.h6
-rw-r--r--assetFactory/assetFactory.cpp62
-rw-r--r--assetFactory/assetFactory.h10
-rw-r--r--assetFactory/factoryMesh.cpp6
-rw-r--r--assetFactory/modelFactoryMesh.h4
-rw-r--r--assetFactory/style.cpp17
7 files changed, 107 insertions, 8 deletions
diff --git a/assetFactory/asset.cpp b/assetFactory/asset.cpp
index 3ab2f1c..e3f5feb 100644
--- a/assetFactory/asset.cpp
+++ b/assetFactory/asset.cpp
@@ -1,4 +1,5 @@
#include "asset.h"
+#include "assetFactory.h"
bool
Asset::persist(Persistence::PersistenceStore & store)
@@ -6,6 +7,15 @@ Asset::persist(Persistence::PersistenceStore & store)
return STORE_MEMBER(id) && STORE_MEMBER(name);
}
+Asset::TexturePtr
+Asset::getTexture() const
+{
+ if (auto mf = Persistence::ParseBase::getShared<const AssetFactory>("assetFactory")) {
+ return mf->getTexture();
+ }
+ return nullptr;
+}
+
Asset::MeshConstruct::MeshConstruct(Mesh::Ptr & m) :
Persistence::SelectionPtrBase<FactoryMesh::Ptr> {fmesh}, out {m} { }
diff --git a/assetFactory/asset.h b/assetFactory/asset.h
index e3318e4..30f40cd 100644
--- a/assetFactory/asset.h
+++ b/assetFactory/asset.h
@@ -4,12 +4,18 @@
#include "persistence.h"
#include <stdTypeDefs.hpp>
+class Texture;
+
class Asset : public Persistence::Persistable, public StdTypeDefs<Asset> {
public:
+ using TexturePtr = std::shared_ptr<Texture>;
+
std::string id;
std::string name;
protected:
+ TexturePtr getTexture() const;
+
struct MeshConstruct : public Persistence::SelectionPtrBase<FactoryMesh::Ptr> {
using Persistence::SelectionPtrBase<FactoryMesh::Ptr>::setValue;
diff --git a/assetFactory/assetFactory.cpp b/assetFactory/assetFactory.cpp
index de13579..276c258 100644
--- a/assetFactory/assetFactory.cpp
+++ b/assetFactory/assetFactory.cpp
@@ -2,11 +2,16 @@
#include "collections.hpp"
#include "cuboid.h"
#include "cylinder.h"
+#include "filesystem.h"
+#include "gfx/image.h"
+#include "gfx/models/texture.h"
#include "modelFactoryMesh_fwd.h"
#include "object.h"
#include "plane.h"
+#include "resource.h"
#include "saxParse-persistence.h"
-#include <filesystem.h>
+#include "texturePacker.h"
+#include <stb/stb_image.h>
AssetFactory::AssetFactory() :
shapes {
@@ -76,6 +81,61 @@ AssetFactory::parseColour(std::string_view in) const
throw std::runtime_error("No such asset factory colour");
}
+AssetFactory::TextureFragmentCoords
+AssetFactory::getTextureCoords(std::string_view id) const
+{
+ createTexutre();
+ const auto & fragmentUV = textureFragmentPositions.at(id);
+ return {
+ fragmentUV.xy(),
+ fragmentUV.zy(),
+ fragmentUV.zw(),
+ fragmentUV.xw(),
+ };
+}
+
+Asset::TexturePtr
+AssetFactory::getTexture() const
+{
+ createTexutre();
+ return texture;
+}
+
+void
+AssetFactory::createTexutre() const
+{
+ if (!textureFragments.empty() && (!texture || textureFragmentPositions.empty())) {
+ // * load images
+ std::vector<std::unique_ptr<Image>> images;
+ std::transform(
+ textureFragments.begin(), textureFragments.end(), std::back_inserter(images), [](const auto & tf) {
+ return std::make_unique<Image>(Resource::mapPath(tf.second->path), STBI_rgb_alpha);
+ });
+ // * layout images
+ std::vector<TexturePacker::Image> imageSizes;
+ std::transform(images.begin(), images.end(), std::back_inserter(imageSizes), [](const auto & image) {
+ return TexturePacker::Image {image->width, image->height};
+ });
+ const auto [layout, outSize] = TexturePacker {imageSizes}.pack();
+ // * create texture
+ std::vector<glm::u8vec4> textureData(TexturePacker::area(outSize), {127, 127, 127, 255});
+ std::transform(textureFragments.begin(), textureFragments.end(),
+ std::inserter(textureFragmentPositions, textureFragmentPositions.end()),
+ [position = layout.begin(), size = imageSizes.begin(), outSize = outSize](const auto & tf) mutable {
+ const glm::vec4 positionFraction {
+ static_cast<float>(position->x) / static_cast<float>(outSize.x),
+ static_cast<float>(position->y) / static_cast<float>(outSize.y),
+ static_cast<float>(position->x + size->x) / static_cast<float>(outSize.x),
+ static_cast<float>(position->y + size->y) / static_cast<float>(outSize.y),
+ };
+ position++;
+ size++;
+ return decltype(textureFragmentPositions)::value_type {tf.first, positionFraction};
+ });
+ texture = std::make_shared<Texture>(outSize.x, outSize.y, textureData.data());
+ }
+}
+
bool
AssetFactory::persist(Persistence::PersistenceStore & store)
{
diff --git a/assetFactory/assetFactory.h b/assetFactory/assetFactory.h
index 3d52f7f..52692c4 100644
--- a/assetFactory/assetFactory.h
+++ b/assetFactory/assetFactory.h
@@ -6,6 +6,8 @@
#include "textureFragment.h"
#include <filesystem>
+class Texture;
+
class AssetFactory : public Persistence::Persistable {
public:
using Shapes = std::map<std::string, Shape::Ptr, std::less<>>;
@@ -14,10 +16,13 @@ public:
using Colour = glm::vec3;
using ColourAlpha = glm::vec4;
using Colours = std::map<std::string, Colour, std::less<>>;
+ using TextureFragmentCoords = std::array<glm::vec2, 4>;
AssetFactory();
[[nodiscard]] static std::shared_ptr<AssetFactory> loadXML(const std::filesystem::path &);
[[nodiscard]] ColourAlpha parseColour(std::string_view) const;
+ [[nodiscard]] TextureFragmentCoords getTextureCoords(std::string_view) const;
+ [[nodiscard]] Asset::TexturePtr getTexture() const;
Shapes shapes;
Assets assets;
@@ -30,4 +35,9 @@ public:
private:
friend Persistence::SelectionPtrBase<std::shared_ptr<AssetFactory>>;
bool persist(Persistence::PersistenceStore & store) override;
+
+ void createTexutre() const;
+
+ mutable Asset::TexturePtr texture;
+ mutable std::map<std::string_view, glm::vec4, std::less<>> textureFragmentPositions;
};
diff --git a/assetFactory/factoryMesh.cpp b/assetFactory/factoryMesh.cpp
index 1665b90..c47e80e 100644
--- a/assetFactory/factoryMesh.cpp
+++ b/assetFactory/factoryMesh.cpp
@@ -2,13 +2,10 @@
#include "collections.hpp"
#include "gfx/models/vertex.hpp"
#include "modelFactoryMesh.h"
-#include <glm/ext/matrix_transform.hpp>
Mesh::Ptr
FactoryMesh::createMesh() const
{
- constexpr glm::vec2 NullUV {};
-
ModelFactoryMesh mesh;
for (const auto & use : uses) {
use->createMesh(mesh, 1);
@@ -23,7 +20,8 @@ FactoryMesh::createMesh() const
const auto smooth = mesh.property(mesh.smoothFaceProperty, face);
const auto colour = mesh.color(face);
for (const auto & vertex : mesh.fv_range(face)) {
- vertices.emplace_back(mesh.point(vertex), NullUV,
+ const auto textureUV = mesh.texcoord2D(vertex);
+ vertices.emplace_back(mesh.point(vertex), textureUV,
smooth ? mesh.property(mesh.vertex_normals_pph(), vertex)
: mesh.property(mesh.face_normals_pph(), face),
colour);
diff --git a/assetFactory/modelFactoryMesh.h b/assetFactory/modelFactoryMesh.h
index 149ff1a..493ce1b 100644
--- a/assetFactory/modelFactoryMesh.h
+++ b/assetFactory/modelFactoryMesh.h
@@ -4,6 +4,7 @@
#include <OpenMesh/Core/Mesh/PolyMesh_ArrayKernelT.hh>
#include <OpenMesh/Core/Mesh/Traits.hh>
#include <glm/geometric.hpp>
+#include <glm/vec2.hpp>
#include <glm/vec3.hpp>
#include <glm/vec4.hpp>
@@ -34,10 +35,11 @@ namespace OpenMesh {
struct ModelFactoryTraits : public OpenMesh::DefaultTraits {
FaceAttributes(OpenMesh::Attributes::Normal | OpenMesh::Attributes::Status | OpenMesh::Attributes::Color);
EdgeAttributes(OpenMesh::Attributes::Status);
- VertexAttributes(OpenMesh::Attributes::Normal | OpenMesh::Attributes::Status);
+ VertexAttributes(OpenMesh::Attributes::Normal | OpenMesh::Attributes::Status | OpenMesh::Attributes::TexCoord2D);
using Point = glm::vec3;
using Normal = glm::vec3;
using Color = glm::vec4;
+ using TexCoord2D = glm::vec2;
};
struct ModelFactoryMesh : public OpenMesh::PolyMesh_ArrayKernelT<ModelFactoryTraits> {
diff --git a/assetFactory/style.cpp b/assetFactory/style.cpp
index b5ddcf1..8aecc71 100644
--- a/assetFactory/style.cpp
+++ b/assetFactory/style.cpp
@@ -19,8 +19,21 @@ void
Style::applyStyle(
ModelFactoryMesh & mesh, const ModelFactoryMesh::FaceHandle & face, EffectiveColour effectiveColour) const
{
- if (effectiveColour.has_value()) {
- mesh.set_color(face, effectiveColour->get());
+ if (texture.empty()) {
+ if (effectiveColour.has_value()) {
+ mesh.set_color(face, effectiveColour->get());
+ }
+ }
+ else {
+ mesh.set_color(face, {});
+ if (auto mf = Persistence::ParseBase::getShared<const AssetFactory>("assetFactory")) {
+ auto coords = mf->getTextureCoords(texture);
+ auto coord = coords.begin();
+ // Wild assumption that face is a quad and the texture should apply linearly
+ for (const auto & vh : mesh.fv_range(face)) {
+ mesh.set_texcoord2D(vh, *coord++);
+ }
+ }
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 13:26:17 +0000