Includes now use the key #include. Fixed a bug where it would crash if the file is not found. Fixed a bug where null terminators where included from the included file, causing it to stop reading after the first included file.

Teleporting to origin on spawn fixed.

include/Engine/Collision/CollisionSystem.h

@@ -24,6 +24,7 @@ public:
 private:
     Octree<EntityAABB>* m_Octree;
     std::vector<EntityAABB> m_OctreeResult;
+    std::unordered_map<EntityWrapper, glm::vec3> m_PrevPositions;
 };
 
 #endif

include/Engine/Rendering/ShaderProgram.h

@@ -21,6 +21,8 @@ public:
 	std::string GetFileName() const;
 	GLuint GetHandle() const;
 	bool IsCompiled() const;
+    static std::string ReadFile(std::string fileName);
+private:
 protected:
 	GLenum m_ShaderType;
 	std::string m_FileName;

resources/Schema/Components/Physics.xml

@@ -2,7 +2,6 @@
 <Physics xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Physics.xsd">
 	<Velocity X="0" Y="0" Z="0"/>
 	<Gravity>true</Gravity>
-	<PrevOrigin X="-9876.5" Y="-9876.5" Z="-9876.5"/>
 	<IsOnGround>false</IsOnGround>
 	<VerticalStepHeight>0.33</VerticalStepHeight>
 </Physics>

resources/Schema/Components/Physics.xsd

@@ -13,7 +13,6 @@
 					<xs:annotation><xs:documentation>m/s^2</xs:documentation></xs:annotation>
 				</xs:element>
 				<xs:element name="Gravity" type="t:bool" minOccurs="0"/>
-				<xs:element name="PrevOrigin" type="t:Vector" minOccurs="0"/>
 				<xs:element name="IsOnGround" type="t:bool" minOccurs="0"/>
 				<xs:element name="VerticalStepHeight" type="t:double" minOccurs="0">
 					<xs:annotation><xs:documentation>The largest height of a "stair-step" that can be walked over</xs:documentation></xs:annotation>

resources/Schema/Entities/Player.xml

@@ -13,7 +13,6 @@
     <c:DashAbility/>
     <c:Health/>
     <c:Physics>
-      <PrevOrigin X="0" Y="0.772000015" Z="0"/>
       <Velocity X="2.30999646e-23" Y="0" Z="1.05272533e-23"/>
     </c:Physics>
     <c:Player>

resources/Schema/Entities/PlayerRed.xml

@@ -13,7 +13,6 @@
     <c:DashAbility/>
     <c:Health/>
     <c:Physics>
-      <PrevOrigin X="0" Y="0.772000015" Z="0"/>
       <Velocity X="2.30999646e-23" Y="0" Z="1.05272533e-23"/>
     </c:Physics>
     <c:Player>

resources/Shaders/ForwardPlus.frag.glsl

@@ -116,12 +116,7 @@ LightResult CalcDirectionalLightSource(vec4 direction, vec4 color, float intensi
 	return result;
 }
 
-vec4 CalcNormalMappedValue(vec3 normal, vec3 tangent, vec3 bitangent, vec2 textureCoordinate, sampler2D normalMap)
-{
-	mat3 TBN = mat3(tangent, bitangent, normal);
-	vec3 NormalMap = texture(normalMap, textureCoordinate).xyz * 2.0 - vec3(1.0);
-	return vec4(TBN * normalize(NormalMap), 0.0);
-}
+#include "Shaders/Util/CommonUniforms.glsl"
 
 void main()
 {
@@ -180,6 +175,7 @@ void main()
 		color_result += FillColor;
 	}
 	sceneColor = vec4(color_result.xyz, clamp(color_result.a, 0, 1));
+	//sceneColor = CommonUniforms.testColour;
 	//sceneColor = vec4(reflectionColor.xyz, 1);
 	color_result += glowTexel*GlowIntensity;
 

resources/Shaders/Util/CommonUniforms.glsl

@@ -0,0 +1,6 @@
+vec4 CalcNormalMappedValue(vec3 normal, vec3 tangent, vec3 bitangent, vec2 textureCoordinate, sampler2D normalMap)
+{
+	mat3 TBN = mat3(tangent, bitangent, normal);
+	vec3 NormalMap = texture(normalMap, textureCoordinate).xyz * 2.0 - vec3(1.0);
+	return vec4(TBN * normalize(NormalMap), 0.0);
+}

src/Engine/Collision/CollisionSystem.cpp

@@ -16,51 +16,51 @@ void CollisionSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& c
     EntityAABB& boxA = *boundingBox;
     bool everHitTheGround = false;
 
-    glm::vec3 size = boxA.Size();
-    float diameter = std::min(size.x, size.z);
-    glm::vec3 prevOrigin = (glm::vec3)cPhysics["PrevOrigin"];
-    glm::vec3 toCurrentPos = boxA.Origin() - prevOrigin;
-    float rayLength = glm::length(toCurrentPos) + 0.5f*diameter;
-    //If the entity has moved farther than the size of its box, we need to handle it specially.
-    bool traceCollision = rayLength > diameter;
-    //hack solution: If prevOrigin is less than -9000 in all dimensions, 
-    //then it means it is not set, i.e. this is the first collision check for the entity.
-    if (traceCollision && glm::any(glm::greaterThan((glm::vec3)cPhysics["PrevOrigin"], glm::vec3(-9000.f)))) {
-        Ray ray(prevOrigin, toCurrentPos);
-        m_OctreeResult.clear();
-        m_Octree->ObjectsPossiblyHitByRay(ray, m_OctreeResult);
-        for (auto& boxB : m_OctreeResult) {
-            if (boxA.Entity == boxB.Entity) {
-                continue;
-            }
-            bool hit;
-            float dist;
-            if (boxB.Entity.HasComponent("Model")) {
-                RawModel* model;
-                std::string res = (std::string)boxB.Entity["Model"]["Resource"];
-                try {
-                    model = ResourceManager::Load<RawModel, true>(res);
-                } catch (const std::exception&) {
+    auto prevPosIt = m_PrevPositions.find(entity);
+    if (prevPosIt != m_PrevPositions.end()) {
+        glm::vec3 size = boxA.Size();
+        float diameter = std::min(size.x, size.z);
+        glm::vec3 prevOrigin = prevPosIt->second;
+        glm::vec3 toCurrentPos = boxA.Origin() - prevOrigin;
+        float rayLength = glm::length(toCurrentPos) + 0.5f*diameter;
+        //If the entity has moved farther than the size of its box, we need to handle it specially.
+        if (rayLength > diameter) {
+            Ray ray(prevOrigin, toCurrentPos);
+            m_OctreeResult.clear();
+            m_Octree->ObjectsPossiblyHitByRay(ray, m_OctreeResult);
+            for (auto& boxB : m_OctreeResult) {
+                if (boxA.Entity == boxB.Entity) {
                     continue;
                 }
-                float u, v;
-                hit = Collision::RayVsModel(ray, model->Vertices(), model->m_Indices, Transform::ModelMatrix(boxB.Entity), dist, u, v);
-            } else {
-                hit = Collision::RayVsAABB(ray, boxB, dist);
-            }
-            if (hit && dist < rayLength) {
-                //Set the entity to where it was colliding, minus the maximum box size. 
-                //TODO: Perhaps this should be done slightly more properly.
-                glm::vec3 newOriginPos = ray.Origin() + (dist - 0.707107f*diameter) * ray.Direction();
-                glm::vec3 resolve = newOriginPos - boxA.Origin();
-                (glm::vec3&)cTransform["Position"] += resolve;
-                boxA = *Collision::EntityAbsoluteAABB(entity);
-                if (resolve.y > 0) {
-                    everHitTheGround = true;
-                    (bool)cPhysics["IsOnGround"] = true;
-                    ((glm::vec3&)cPhysics["Velocity"]).y = 0.f;
+                bool hit;
+                float dist;
+                if (boxB.Entity.HasComponent("Model")) {
+                    RawModel* model;
+                    std::string res = (std::string)boxB.Entity["Model"]["Resource"];
+                    try {
+                        model = ResourceManager::Load<RawModel, true>(res);
+                    } catch (const std::exception&) {
+                        continue;
+                    }
+                    float u, v;
+                    hit = Collision::RayVsModel(ray, model->Vertices(), model->m_Indices, Transform::ModelMatrix(boxB.Entity), dist, u, v);
+                } else {
+                    hit = Collision::RayVsAABB(ray, boxB, dist);
+                }
+                if (hit && dist < rayLength) {
+                    //Set the entity to where it was colliding, minus the maximum box size. 
+                    //TODO: Perhaps this should be done slightly more properly.
+                    glm::vec3 newOriginPos = ray.Origin() + (dist - 0.707107f*diameter) * ray.Direction();
+                    glm::vec3 resolve = newOriginPos - boxA.Origin();
+                    (glm::vec3&)cTransform["Position"] += resolve;
+                    boxA = *Collision::EntityAbsoluteAABB(entity);
+                    if (resolve.y > 0) {
+                        everHitTheGround = true;
+                        (bool)cPhysics["IsOnGround"] = true;
+                        ((glm::vec3&)cPhysics["Velocity"]).y = 0.f;
+                    }
+                    break;
                 }
-                break;
             }
         }
     }
@@ -90,6 +90,7 @@ void CollisionSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& c
             float verticalStepHeight = (float)(double)cPhysics["VerticalStepHeight"];
             if (Collision::AABBvsTriangles(boxA, model->Vertices(), model->m_Indices, modelMatrix, inOutVelocity, verticalStepHeight, isOnGround, resolutionVector)) {
                 (glm::vec3&)cTransform["Position"] += resolutionVector;
+                boxA = *Collision::EntityAbsoluteAABB(entity);
                 cPhysics["Velocity"] = inOutVelocity;
                 if (isOnGround) {
                     everHitTheGround = true;
@@ -99,6 +100,7 @@ void CollisionSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& c
         } else if (Collision::AABBVsAABB(boxA, boxB, resolutionVector)) {
             //Enter here if boxB has no Model.
             (glm::vec3&)cTransform["Position"] += resolutionVector;
+            boxA = *Collision::EntityAbsoluteAABB(entity);
             if (resolutionVector.y > 0) {
                 everHitTheGround = true;
                 (bool)cPhysics["IsOnGround"] = true;
@@ -112,5 +114,5 @@ void CollisionSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& c
         (bool)cPhysics["IsOnGround"] = false;
     }
 
-    (glm::vec3&)cPhysics["PrevOrigin"] = boxA.Origin();
+    m_PrevPositions[entity] = boxA.Origin();
 }

src/Engine/Rendering/ShaderProgram.cpp

@@ -4,22 +4,32 @@ GLuint Shader::CompileShader(GLenum shaderType, std::string fileName)
 {
 	LOG_INFO("Compiling shader \"%s\"", fileName.c_str());
 
-	std::string shaderFile;
-	std::ifstream in(fileName, std::ios::in);
-	if (!in) {
-		LOG_ERROR("Error: Failed to open shader file \"%s\"", fileName.c_str());
-		return 0;
-	}
-	in.seekg(0, std::ios::end);
-	shaderFile.resize((int)in.tellg());
-	in.seekg(0, std::ios::beg);
-	in.read(&shaderFile[0], shaderFile.size());
-	in.close();
+    std::string shaderFile = ReadFile(fileName);
 
 	GLuint shader = glCreateShader(shaderType);
 	if (GLERROR("glCreateShader"))
 		return 0;
 
+    std::size_t startPos = 0;
+    std::size_t SEofNewFile[2];
+    std::string key = "#include";
+    while((startPos = shaderFile.find(key, startPos)) != std::string::npos)
+    {
+        SEofNewFile[0] = shaderFile.find('"', startPos+key.length())+1;
+        SEofNewFile[1] = shaderFile.find('"', SEofNewFile[0]);
+        if (SEofNewFile[0] == std::string::npos || SEofNewFile[1] == std::string::npos)
+            return 0;
+
+        std::string replacementFileName = shaderFile.substr(SEofNewFile[0], SEofNewFile[1] - SEofNewFile[0]);
+        std::string replacementString = ReadFile(replacementFileName);
+        size_t firstof = replacementString.find_first_of((char)0);
+        replacementString.erase(firstof, replacementString.size() - firstof);
+        if (replacementString.length() <= 0)
+            return 0;
+        shaderFile.replace(startPos, SEofNewFile[1]+2 - startPos, replacementString + "\n");
+        startPos += replacementString.length(); //This might not be wanted.
+    }
+
 	const GLchar* shaderFiles = shaderFile.c_str();
 	const GLint length = static_cast<GLint>(shaderFile.length());
 	glShaderSource(shader, 1, &shaderFiles, &length);
@@ -46,6 +56,24 @@ GLuint Shader::CompileShader(GLenum shaderType, std::string fileName)
 	return shader;
 }
 
+std::string Shader::ReadFile(std::string fileName)
+{
+    std::string shaderFile;
+    std::ifstream in(fileName, std::ios::in);
+    if (!in) {
+        LOG_ERROR("Error: Failed to open shader file \"%s\"", fileName.c_str());
+        return "";
+    }
+
+    in.seekg(0, std::ios::end);
+    shaderFile.resize((int)in.tellg());
+    in.seekg(0, std::ios::beg);
+    in.read(&shaderFile[0], shaderFile.size());
+    in.close();
+    return shaderFile;
+}
+
+
 Shader::Shader(GLenum shaderType, std::string fileName) : m_ShaderType(shaderType), m_FileName(fileName)
 {
 	m_ShaderHandle = 0;