Single-Texture mapping is working !

BaseGLProject/BaseGLProject.vcxproj

@@ -208,6 +208,10 @@
   <ItemGroup>
     <None Include="simple.frag" />
   </ItemGroup>
+  <ItemGroup>
+    <Image Include="brick1.jpg" />
+    <Image Include="earth.jpg" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

BaseGLProject/BaseGLProject.vcxproj.filters

@@ -164,4 +164,12 @@
       <Filter>Shaders</Filter>
     </None>
   </ItemGroup>
+  <ItemGroup>
+    <Image Include="brick1.jpg">
+      <Filter>Resource Files</Filter>
+    </Image>
+    <Image Include="earth.jpg">
+      <Filter>Resource Files</Filter>
+    </Image>
+  </ItemGroup>
 </Project>

BaseGLProject/Dataset.h

@@ -15,10 +15,13 @@ public:
 	{
 		vertices.clear(); 
 		normals.clear();
+		colors.clear();
+		tex_mapping.clear();
 	}
 
 	void simpleCube()
 	{
+		clear();
 		vertices = { { -1.0, -1.0, 1.0}, { 1.0, -1.0, 1.0}, { 1.0, 1.0, 1.0},
 					{ 1.0, 1.0, 1.0}, { -1.0, 1.0, 1.0}, { -1.0, -1.0, 1.0},
 					{ 1.0, -1.0, 1.0}, { 1.0, -1.0, -1.0}, { 1.0, 1.0, -1.0},
@@ -67,18 +70,19 @@ public:
 
 	void simpleFloor()
 	{		
+		clear();
 		vertices = {{-10.0, 0.0, -10.0}, {-10.0, 0.0, 10.0}, {10.0, 0.0, -10.0}, 
 					 {10.0, 0.0, 10.0}, {10.0, 0.0, -10.0}, {-10.0, 0.0, 10.0}};
 		
 		colors = { {0.7, 0.7, 0.7}, {0.7, 0.7, 0.7}, {0.7, 0.7, 0.7},
 				   {0.7, 0.7, 0.7}, {0.7, 0.7, 0.7}, {0.7, 0.7, 0.7} };
-		genEmptyTexture();
 		genNormals();
 	}
 
 	void checkeredFloor(float size, int squares,
 						glm::vec3 light_color, glm::vec3 dark_color)
 	{
+		clear();
 		float maxX = size / 2.f, maxY = size / 2.f;
 		float minX = -size / 2.f, minY = -size / 2.f;
 		float side_size = size / (float)squares;
@@ -94,7 +98,6 @@ public:
 				vertices.emplace_back(x, 0, y); //upleft
 				vertices.emplace_back(x, 0, y + side_size); //downleft
 				vertices.emplace_back(x + side_size, 0, y + side_size); //downright
-		
 				vertices.emplace_back(x + side_size, 0, y + side_size); //downright			
 				vertices.emplace_back(x + side_size, 0, y); //upright
 				vertices.emplace_back(x, 0, y); //upleft
@@ -104,18 +107,10 @@ public:
 			}
 			color *= -1;
 		}
-			genEmptyTexture();
 		genNormals();
 	}
 
 private:
-	void genEmptyTexture()
-	{
-		tex_mapping.clear();
-		for (auto vert : vertices)
-			for (int i = 0; i < 6; i++)
-				tex_mapping.push_back(glm::vec2(0, 0));
-	}
 
 	void genNormals()
 	{

BaseGLProject/Models/Mesh.cpp

@@ -22,6 +22,7 @@ Mesh::MeshEntry::MeshEntry(Dataset &set, Mesh *m)
 {
 	renderType = NO_INDEX;
 	parent = m;
+	shininessStrength = 0;
 
 	vbo[VERTEX_BUFFER] = NULL;
 	vbo[NORMAL_BUFFER] = NULL;
@@ -51,27 +52,30 @@ Mesh::MeshEntry::MeshEntry(Dataset &set, Mesh *m)
 	glEnableVertexAttribArray(NORMAL_BUFFER);
 
 	//Copy texture mapping to VBO
-
+	if (set.tex_mapping.size() > 0)
+	{
 		glGenBuffers(1, &vbo[TEXCOORD_BUFFER]);
 		glBindBuffer(GL_ARRAY_BUFFER, vbo[TEXCOORD_BUFFER]);
 		glBufferData(GL_ARRAY_BUFFER, 2 * set.tex_mapping.size() * sizeof(GLfloat), set.tex_mapping.data(), GL_STATIC_DRAW);
 
 		glVertexAttribPointer(TEXCOORD_BUFFER, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 2, NULL);
 		glEnableVertexAttribArray(TEXCOORD_BUFFER);
+	}
 
 	//Copy vertice color to VBO
-
+	if (set.colors.size() > 0)
+	{
 		glGenBuffers(1, &vbo[COLOR_BUFFER]);
 		glBindBuffer(GL_ARRAY_BUFFER, vbo[COLOR_BUFFER]);
 		glBufferData(GL_ARRAY_BUFFER, set.colors.size() * 3 * sizeof(GLfloat), set.colors.data(), GL_STATIC_DRAW);
 
 		glVertexAttribPointer(COLOR_BUFFER, 3, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 3, NULL);
 		glEnableVertexAttribArray(COLOR_BUFFER);	
+	}
 
 	dset_size = set.vertices.size();
 	glBindBuffer(GL_ARRAY_BUFFER, 0);
 	glBindVertexArray(0);
-	shininessStrength = 0;
 
 }
 
@@ -208,8 +212,9 @@ Mesh::MeshEntry::~MeshEntry() {
 /**
 *	Renders this MeshEntry
 **/
-void Mesh::MeshEntry::render() {
+void Mesh::MeshEntry::render(SceneContext ctx) {
 	
+	glBindTexture(GL_TEXTURE_2D, ctx.textures);
 	glBindVertexArray(vao);
 	if (renderType == NO_INDEX)
 	{
@@ -222,6 +227,7 @@ void Mesh::MeshEntry::render() {
 		glDrawElements(GL_TRIANGLES, size / sizeof(unsigned int), GL_UNSIGNED_INT, NULL);	
 	}
 	glBindVertexArray(0);
+	glBindTexture(GL_TEXTURE_2D, 0);
 }
 
 /**
@@ -333,7 +339,7 @@ void Mesh::draw(SceneContext ctx) {
 
 		shader->setUniforms(ctx);
 
-		meshEntries.at(i)->render();	
+		meshEntries.at(i)->render(ctx);	
 		model.glPopMatrix();
 	}
 	disableCulling();

BaseGLProject/Models/Mesh.h

@@ -58,7 +58,7 @@ public:
 		MeshEntry(Dataset &set, Mesh *m);		
 		~MeshEntry();
 		Mesh * parent;	
-		void render();	
+		void render(SceneContext ctx);	
 	};
 
 public:

BaseGLProject/MyGLWindow.cpp

@@ -1,4 +1,4 @@
-#include <algorithm>
+#include <direct.h>
 #include "MyGlWindow.h"
 //Getting the projection matrix
 glm::mat4x4 perspective(float fovy, float aspect, float near, float far)
@@ -58,8 +58,8 @@ void MyGlWindow::setBgColor(float bgColor[3])
 void MyGlWindow::setup()
 {	
 	glActiveTexture(GL_TEXTURE0);
-	glGenTextures(1, &_textures);  //tex_2d is a member variable
+	glGenTextures(1, &_scnctx.textures);  //tex_2d is a member variable
-	glBindTexture(GL_TEXTURE_2D, _textures);
+	glBindTexture(GL_TEXTURE_2D, _scnctx.textures);
 
 	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
@@ -67,7 +67,7 @@ void MyGlWindow::setup()
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
 
 	int width, height, channel;
-	unsigned char * image = stbi_load("brick.jpg", &width, &height, &channel, 0);
+	unsigned char * image = stbi_load("brick1.jpg", &width, &height, &channel, 0);	
 
 	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB,
 		GL_UNSIGNED_BYTE, image);
@@ -76,11 +76,15 @@ void MyGlWindow::setup()
 	stbi_image_free(image);
 	glBindTexture(GL_TEXTURE_2D, 0);
 
-	_scnctx.lights.emplace("Light1", Light(glm::vec3(0.0f, 0.5f, 0.5f), glm::vec4(10, 10, 0, 1)));
+	//Showcase lights
+	_scnctx.lights.emplace("Light1", Light(glm::vec3(0.8f), glm::vec4(3, 10, 5, 1)));
+
+	//Party lights
+	/*_scnctx.lights.emplace("Light1", Light(glm::vec3(0.0f, 0.5f, 0.5f), glm::vec4(10, 10, 0, 1)));
 	_scnctx.lights.emplace("Light2", Light(glm::vec3(0.0f, 0.0f, 0.5f), glm::vec4(3.09, 10, 9.51, 1)));
 	_scnctx.lights.emplace("Light3", Light(glm::vec3(0.5f, 0.0f, 0.0f), glm::vec4(-8.09, 10, 5.87, 1)));
 	_scnctx.lights.emplace("Light4", Light(glm::vec3(0.0f, 0.5f, 0.0f), glm::vec4(-8.09, 10, -5.87, 1)));
-	_scnctx.lights.emplace("Light5", Light(glm::vec3(0.5f, 0.5f, 0.5f), glm::vec4(3.09, 10, -9.51, 1)));
+	_scnctx.lights.emplace("Light5", Light(glm::vec3(0.5f, 0.5f, 0.5f), glm::vec4(3.09, 10, -9.51, 1)));*/
 
 	shaders["Simple"] = new Shader("simple.vert", "simple.frag");
 	shaders["Simple"]->uniformFlags = ShaderFlags::MVP_FLAG;	

BaseGLProject/MyGLWindow.h

@@ -38,7 +38,6 @@ private:
 
 	float _bgColor[3];	
 
-	GLuint _textures;
 	GLuint _vaoHandle;
 	GLuint _iboHandle;	
 	

BaseGLProject/SceneContext.h

@@ -15,4 +15,6 @@ struct SceneContext
 	glm::mat4x4 mvpMatrix;
 	glm::mat4x4 modelViewMatrix;
 	glm::mat3x3 normalMatrix;
+
+	GLuint textures;
 };

BaseGLProject/Shader.h

@@ -44,9 +44,9 @@ public:
 	{
 		_program.use(); glUniform3fv(_program.addUniform(name), 1, glm::value_ptr(data)); ; _program.disable();
 	}
-	void addUnform(const std::string name, int data)
+	void addUniform(const std::string name, int data)
 	{
-		_program.use(); glUniform1iv(_program.addUniform(name), 1, &data);  _program.disable();
+		_program.use(); glUniform1i(_program.addUniform(name), data);  _program.disable();
 	}
 	void addUniform(const std::string name, float data)
 	{

BaseGLProject/Source.cpp

@@ -175,7 +175,7 @@ int loop(GLFWwindow *window)
 		{
 			ImGui::SetWindowPos(ImVec2(20, 20));						
 
-			static float bgColor[3] = { .3f, .3f, .3f };
+			static float bgColor[3] = { .0f, .0f, .1f };
 			ImGui::ColorEdit3("Background", bgColor, 0);
 			glWin.setBgColor(bgColor);
 			

BaseGLProject/fog.vert

@@ -2,8 +2,8 @@
 
 layout(location=0) in vec3 coord3d;
 layout(location=1) in vec3 v_normal;
-layout(location=2) in vec2 v_texmap;
+layout(location=2) in vec3 v_color;
-layout(location=3) in vec3 v_color;
+layout(location=3) in vec2 v_texmap;
 
 uniform mat4 mvp;
 uniform mat3 NormalMatrix;

BaseGLProject/light.frag

@@ -46,7 +46,6 @@ void main()
 	specular_sum += specular;
     }
 	
-
    vec4 texColor = texture(tex1, texCoord);
    FragColors = (vec4(diffuse_sum + ambient, 1) * texColor + vec4(specular_sum, 1.0)); 
 }

BaseGLProject/light.vert

@@ -2,8 +2,8 @@
 
 layout(location=0) in vec3 coord3d;
 layout(location=1) in vec3 v_normal;
-layout(location=2) in vec2 v_texmap;
+layout(location=2) in vec3 v_color;
-layout(location=3) in vec3 v_color;
+layout(location=3) in vec2 v_texmap;
 
 uniform mat4 mvp;
 uniform mat3 NormalMatrix;

BaseGLProject/silhouette.vert

@@ -2,8 +2,8 @@
 
 layout(location=0) in vec3 coord3d;
 layout(location=1) in vec3 v_normal;
-layout(location=2) in vec2 v_texmap;
+layout(location=2) in vec3 v_color;
-layout(location=3) in vec3 v_color;
+layout(location=3) in vec2 v_texmap;
 
 uniform mat4 mvp;
 uniform float sil_offset;

BaseGLProject/simple.vert

@@ -2,8 +2,9 @@
 
 layout(location=0) in vec3 coord3d;
 layout(location=1) in vec3 v_normal;
-layout(location=2) in vec2 v_texmap;
+layout(location=2) in vec3 v_color;
-layout(location=3) in vec3 v_color;
+layout(location=3) in vec2 v_texmap;
+
 
 out vec3 f_color;