Refactor & Readme

README.md

@@ -0,0 +1,15 @@
+## Collage
+#### [![License: Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/)
+
+Another model loader for Linux & Windows.
+
+### Supported Formats
+- Wavefront OBJ
+- Animated Wavefront OBJ
+- Collada (maybe)
+- FBX
+
+### Building The Demo
+```bash
+git clone https://git.redacted.cc/Redacted/Collage.git && cd Collage && mkdir build && cd build && cmake .. && make -j8
+```

include/Collage/collage.h

@@ -0,0 +1,2 @@
+#pragma once
+#include <Collage/types/model.h>

include/Collage/types/animation.h

@@ -0,0 +1,10 @@
+#pragma once
+#include <vector>
+#include <Collage/types/bone.h>
+
+struct KeyFrame {
+    uint index;
+    Bone bone;
+};
+
+typedef std::vector<KeyFrame> Animation;

include/Collage/types/bone.h

@@ -14,6 +14,7 @@ public:
     const Matrix4x4& getMatrix();
     void setMatrix(const Matrix4x4& m);
     void appendChild(const Bone& bone);
+    uint getDepth(); //The "depth" refers to how far in the bone is on the bonemap. For ex, the fingers would be deeper than the elbow.
     Bone* getParent();
     Bone* getChildByName(const std::string& bName);
     Bone* getChildByNameRecursive(const std::string& bName);

include/Collage/types/keyFrame.h

@@ -0,0 +1,2 @@
+#pragma once
+#include <Collage/types/bone.h>

include/Collage/types/model.h

@@ -5,7 +5,7 @@
 #include <J3ML/LinearAlgebra.h>
 #include <J3ML/LinearAlgebra/Vector3.h>
 #include<J3ML/Geometry.h>
-#include <types/textureInfo.h>
+#include <Collage/types/textureInfo.h>
 
 typedef Vector3 Vertex;
 
@@ -16,6 +16,11 @@ enum struct ModelType : uint8_t {
     COLLADA = 3, //*Very* complicated.
 };
 
+struct FaceIndices {
+    unsigned int vertexIndex[3];
+    unsigned int texCoordIndex[3];
+};
+
 class SkeletalVertex : public Vertex {
     int8_t joints[3]; //The index of 4 bones that can effect the vertex. 0 represents an empty slot. -1 represents the root bone.
     Vector4 weights; //The 4 weights must total to 1.0
@@ -23,23 +28,23 @@ class SkeletalVertex : public Vertex {
 
 class Model {
 protected:
+    void load(const std::string& file);
+    void loadOBJ(const std::string& filename);
     std::vector<Vertex> vertices;
     std::vector<uint> indices;
     std::vector<TextureInformation> textureInfo;
-    void load(const std::string& file);
-    void load(const std::string& file, const ModelType& type);
 public:
     ModelType type;
     const std::vector<Vertex>& getVertices();
     const std::vector<uint>& getIndices();
     const std::vector<TextureInformation>& getTextureInformation();
     Model() = default;
-    Model(const std::string& file);
+    explicit Model(const std::string& file);
 };
 
 class SkeletalModel : public Model {
 protected:
     std::vector<SkeletalVertex> vertices;
 public:
-    std::vector<SkeletalVertex>& getSkeletalertices();
+    std::vector<SkeletalVertex>& getSkeletalVertices();
 };

include/Collage/types/textureInfo.h

@@ -3,6 +3,6 @@
 #include <J3ML/LinearAlgebra.h>
 
 struct TextureInformation {
-    std::string name;
+    std::string path;
     std::vector<Vector2> textureCoordinates;
 };

include/collage.h

@@ -1,2 +0,0 @@
-#pragma once
-#include <types/model.h>

include/types/animation.h

@@ -1,5 +0,0 @@
-#pragma once
-#include <vector>
-#include <types/keyFrame.h>
-
-typedef std::vector<KeyFrame> Animation;

include/types/keyFrame.h

@@ -1,7 +0,0 @@
-#pragma once
-#include <types/bone.h>
-
-struct KeyFrame {
-    uint index;
-    Bone bone;
-};

src/obj.cpp

@@ -0,0 +1,45 @@
+#include <iostream>
+#include <Collage/types/model.h>
+
+void Model::loadOBJ(const std::string& filename) {
+    std::ifstream file(filename);
+    std::vector<Vector3> positions;
+    std::vector<Vector2> uvs;
+    TextureInformation tInfo = {};
+    std::string line;
+    while (std::getline(file, line)) {
+        std::istringstream stream(line);
+        std::string prefix;
+        stream >> prefix;
+
+        if (prefix == "v") {
+            float x, y, z;
+            stream >> x >> y >> z;
+            positions.emplace_back(x, y, z);
+        } else if (prefix == "vt") {
+            float u, v;
+            stream >> u >> v;
+            uvs.emplace_back(u, v);
+        } else if (prefix == "f") {
+            unsigned int vertexIndex[3], texCoordIndex[3];
+            char slash;
+            for (int i = 0; i < 3; ++i) {
+                stream >> vertexIndex[i] >> slash >> texCoordIndex[i];
+                vertexIndex[i]--;
+                texCoordIndex[i]--;
+            }
+
+            for (int i = 0; i < 3; ++i) {
+                Vertex vertex;
+                Vector2 textureCoordinate;
+                vertex = positions[vertexIndex[i]];
+                textureCoordinate = uvs[texCoordIndex[i]];
+                vertices.push_back(vertex);
+                tInfo.textureCoordinates.push_back(textureCoordinate);
+                indices.push_back(static_cast<unsigned int>(indices.size()));
+            }
+        }
+    }
+    textureInfo.push_back(tInfo);
+    file.close();
+};

src/types/animation.cpp

@@ -1,2 +1,2 @@
-#include <types/animation.h>
-#include <types/keyFrame.h>
+#include <Collage/types/animation.h>
+#include <Collage/types/keyFrame.h>

src/types/bone.cpp

@@ -1,4 +1,4 @@
-#include <types/bone.h>
+#include <Collage/types/bone.h>
 
 const Matrix4x4& Bone::getMatrix() {
     return matrix;
@@ -53,3 +53,17 @@ Bone* Bone::getParent() {
         return this;
     return parent;
 }
+
+uint Bone::getDepth() {
+    if (isRootBone())
+        return 0;
+
+    Bone* b = parent;
+    uint depth = 1;
+    while (b != nullptr && !b->isRootBone()) {
+        b = b->getParent();
+        depth++;
+    }
+    return depth;
+}
+

src/types/boneMap.cpp

@@ -1,4 +1,4 @@
-#include <types/bone.h>
+#include <Collage/types/bone.h>
 struct BoneMap {
     std::vector<Bone> bones;
 };

src/types/model.cpp

@@ -1,64 +1,8 @@
-#include <types/model.h>
-
-struct FaceIndices {
-    unsigned int vertexIndex[3];
-    unsigned int texCoordIndex[3];
-};
-
-Vector3 ParseVertexCoordinatesFromOBJ(std::istringstream& stream) {
-    float x, y, z;
-    stream >> x >> y >> z;
-    return {x,y,z};
-}
-
-Vector2 ParseVertexTextureCoordinatesFromOBJ(std::istringstream& stream) {
-    float u, v;
-    stream >> u >> v;
-    return {u,v};
-}
-
-FaceIndices ParseFaceIndicesFromOBJ(std::istringstream& stream) {
-    FaceIndices face{};
-    char slash;
-    for (int i = 0; i < 3; ++i) {
-        unsigned int vI;
-        unsigned int tCI;
-
-        stream >> vI >> slash >> tCI;
-
-        face.vertexIndex[i] = vI;
-        face.texCoordIndex[i] = tCI;
-
-        // Shift vertexindex by 1
-        face.vertexIndex[i]--;
-        // shift texcoordindex by 1
-        face.texCoordIndex[i]--;
-    }
-    return face;
-}
-
-/*
-// map face of model to positions and texture coords
-void Model::mapfaces(const FaceIndices& facedata, const std::vector<Vector3>& positions, const std::vector<Vector2>& uvs) {
-    for (int i = 0; i < 3; ++i) {
-        Vector3 vertex;
-        Vector2 textureCoordinate;
-        vertex = positions[facedata.vertexIndex[i]];
-        textureCoordinate = uvs[facedata.texCoordIndex[i]];
-
-        vertices.push_back(vertex);
-        textureCoor.push_back(textureCoordinate);
-        indices.push_back(static_cast<unsigned int>(indices.size()));
-    }
-}
-*/
-
-void Model::load(const std::string& file, const ModelType& modelType) {
-    //TODO: Call correct func.
-}
+#include <Collage/types/model.h>
 
 void Model::load(const std::string& file) {
-//TODO: Determine model type and call correct func.
+    if (file.ends_with(".obj"))
+        loadOBJ(file);
 }
 
 const std::vector<Vector3>& Model::getVertices() {
@@ -77,6 +21,6 @@ Model::Model(const std::string &file) {
     load(file);
 }
 
-std::vector<SkeletalVertex> &SkeletalModel::getSkeletalertices() {
+std::vector<SkeletalVertex>& SkeletalModel::getSkeletalVertices() {
     return vertices;
 }