Boom exam done!

project/CMakeLists.txt

@@ -9,6 +9,7 @@ set(SOURCES
     "src/Texture.cpp"
     "src/GamePadController.cpp"
     "src/Utils.cpp"
+    "src/HitTest.cpp"
     "src/Material.cpp"
 	"src/Math/Vector2.cpp"
     "src/Math/Vector3.cpp"
@@ -50,6 +51,7 @@ file(GLOB_RECURSE RESOURCE_FILES
     "${RESOURCES_SOURCE_DIR}/*.png"
     "${RESOURCES_SOURCE_DIR}/*.obj"
     "${RESOURCES_SOURCE_DIR}/*.fx"
+    "${RESOURCES_SOURCE_DIR}/*.mtl"
 )
 set(RESOURCES_OUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/resources/")
 file(MAKE_DIRECTORY ${RESOURCES_OUT_DIR})

project/resources/PosCol3D.fx

@@ -1,4 +1,5 @@
 SamplerState gSampleState : SampleState;
+RasterizerState gRasterizerState : RasState;
 
 float4x4 gWorldViewProj : WorldViewProjection;
 float4x4 gWorldMatrix : WorldMatrix;
@@ -39,12 +40,12 @@ struct VS_OUTPUT {
 
 //----------------------
 //  Rasterizer state
-//----------------------
+// //----------------------
-RasterizerState gRasterizerState
+// RasterizerState gRasterizerState
-{
+// {
-    CullMode = none;
+//     CullMode = none;
-    FrontCounterClockwise = false; //default
+//     FrontCounterClockwise = false; //default
-};
+// };
 
 
 //Vertex shader

project/resources/SimpleDiffuse.fx

@@ -0,0 +1,141 @@
+SamplerState gSampleState : SampleState;
+RasterizerState gRasterizerState : RastState;
+
+float4x4 gWorldViewProj : WorldViewProjection;
+float4x4 gWorldMatrix : WorldMatrix;
+
+texture2D gDiffuseMap : DiffuseMap;
+texture2D gNormalMap : Normal;
+texture2D gSpecularMap : Specular;
+texture2D gGlossMap : Gloss;
+
+float3 gLightDirection : LightDirection;
+float3 gLightColor : LightColor;
+float3 gCameraPosition : CameraPosition;
+bool gUseNormal : UseNormal;
+
+
+static const float3 gAmbient = float3(.03f, .03f, .03f);
+static const float gLightIntensity = 7.f;
+static const float PI = 3.14159f;
+static const float gSpecularReflectance = 1.f;
+static const float gShininess = 25.f;
+
+//Input output
+struct VS_INPUT {
+    float3 Position : POSITION;
+    float2 TexCoord : TEXCOORD;
+    float3 Normal : NORMAL;
+    float3 Tangent : TANGENT;
+};
+
+struct VS_OUTPUT {
+    float4 Position : SV_POSITION;
+    float4 WorldPosition : WORLDPOSITION;
+    float2 TexCoord : TEXCOORD;
+    float3 Normal : NORMAL;
+    float3 Tangent : TANGENT;
+};
+
+
+//----------------------
+//  Rasterizer state
+//----------------------
+// RasterizerState gRasterizerState
+// {
+//     CullMode = none;
+//     FrontCounterClockwise = false; //default
+// };
+
+
+//Vertex shader
+VS_OUTPUT VS(VS_INPUT input){
+    VS_OUTPUT output = (VS_OUTPUT)0;
+
+    output.Position = mul(float4(input.Position, 1.f), gWorldViewProj);
+    output.WorldPosition = mul(float4(input.Position, 1.f), gWorldMatrix);
+    output.TexCoord = input.TexCoord;
+    output.Normal = mul(input.Normal, (float3x3) gWorldMatrix);
+    output.Tangent = mul(input.Tangent, (float3x3) gWorldMatrix);
+
+    return output;
+}
+
+float3 Phong(float ks, float exp, float3 l, float3 v, float3 n)
+{
+    float3 reflected = reflect(l, n);
+    float cosAngle = dot(reflected, v);
+    return ks * pow(max(0.f, cosAngle), exp) * gLightColor;
+}
+float3 Lambert(float kd, float3 cd)
+{
+    return (kd * cd) / PI;
+}
+
+
+float3 Shade(VS_OUTPUT input)
+{
+    // Sample diffuse, specular, and gloss maps
+    float3 diffuseSample = gDiffuseMap.Sample(gSampleState, input.TexCoord).rgb;
+    float3 specularSample = gSpecularMap.Sample(gSampleState, input.TexCoord).rgb;
+    float glossSample = gGlossMap.Sample(gSampleState, input.TexCoord).x;
+    float3 normalSample = gNormalMap.Sample(gSampleState, input.TexCoord).rgb;
+
+    // Compute inversed view and light directions
+    float3 invViewDirection = normalize(gCameraPosition - input.WorldPosition.xyz);
+    float3 invLightDirection = -gLightDirection;
+
+    // Compute tangent space axes if normal mapping is used
+    float3 normal = input.Normal;
+    if (gUseNormal) {
+        float3 binormal = cross(input.Normal, input.Tangent);
+        float3x3 tangentSpaceAxis = float3x3(input.Tangent, binormal, input.Normal);
+
+        // Sample and transform normal map
+        normal = float3(2.f * normalSample.x - 1.f, 
+                        2.f * normalSample.y - 1.f, 
+                        2.f * normalSample.z - 1.f);
+        normal = mul(normal, tangentSpaceAxis);
+    }
+
+    // Compute Lambert diffuse lighting
+    float3 diffuse = Lambert(gLightIntensity, diffuseSample);
+
+    // Compute Phong specular lighting
+    float ks = (specularSample.x + specularSample.y + specularSample.z) / 3.f;
+    float3 specular = Phong(ks, glossSample * gShininess, invLightDirection, invViewDirection, normal);
+
+    // Compute observed area based on the cosine of the light angle
+    float cosAngle = dot(invLightDirection, normal);
+    float3 observedArea = float3(cosAngle, cosAngle, cosAngle);
+
+    // Combine lighting components
+    float3 color = saturate(diffuse * observedArea + specular + gAmbient * cosAngle);
+
+    return color;
+}
+
+float4 PS(VS_OUTPUT input) : SV_TARGET{
+    return gDiffuseMap.Sample(gSampleState, input.TexCoord);
+}
+
+DepthStencilState gDepthStencilState
+{
+    //enable
+    DepthEnable = true;
+    DepthWriteMask = ALL;
+    DepthFunc = LESS;
+    //stencil
+    StencilEnable = true;
+};
+
+
+technique11 DefaultTechnique{
+    pass P0 {
+        SetDepthStencilState(gDepthStencilState, 0);
+        SetRasterizerState(gRasterizerState);
+        SetVertexShader( CompileShader( vs_5_0, VS() ) );
+        SetGeometryShader( NULL );
+        SetPixelShader( CompileShader( ps_5_0, PS() ) );
+    }
+}

project/resources/converter.py

@@ -0,0 +1,39 @@
+from PIL import Image
+import os
+import pprint
+
+# Set the folder containing images
+folder_path = 'converted'  # Replace with your folder path
+output_folder = os.path.join(folder_path, 'dingus')
+
+# Create the 'dingus' folder if it doesn't exist
+if not os.path.exists(output_folder):
+    os.makedirs(output_folder)
+
+# Initialize a pretty printer
+pp = pprint.PrettyPrinter(indent=4)
+
+# Iterate through all files in the folder
+for filename in os.listdir(folder_path):
+    if filename.endswith(('.png', '.jpg', '.jpeg', '.bmp', '.tiff')):  # Add more formats if needed
+        file_path = os.path.join(folder_path, filename)
+        
+        # Open the image
+        try:
+            with Image.open(file_path) as img:
+                # Ensure the image is in 'RGBA' mode (32-bit with 4 channels: R, G, B, A)
+                img = img.convert('RGBA')
+                
+                # Create the save path as a PNG in the 'dingus' folder
+                save_path = os.path.join(output_folder, f'{os.path.splitext(filename)[0]}.png')
+                
+                # Save the image as PNG
+                img.save(save_path, 'PNG')
+                
+                # Pretty-print the successful conversion
+                pp.pprint(f"Successfully converted and saved: {save_path}")
+        
+        except Exception as e:
+            pp.pprint(f"Error processing {filename}: {e}")
+
+print("Conversion complete!")

project/resources/scene.mtl

@@ -0,0 +1,352 @@
+# Blender 4.3.2 MTL File: '1GD16E_Verhulst_Bram_Diorama.blend'
+# www.blender.org
+
+newmtl M_Baksteen
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_SingleBrick_C.png
+
+newmtl M_Brick
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_Brick_C.png
+
+newmtl M_Car
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_Car_C.png
+
+newmtl M_Chicken
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+illum 1
+map_Kd T_Chicken_C.png
+map_d T_Chicken_O.png
+
+newmtl M_ChickenRoof
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_ChickenCoopRoof_C.png
+
+newmtl M_ChickenWireFence
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+illum 1
+map_Kd T_ChickenWire_C.png
+map_d T_ChickenWire_O.png
+
+newmtl M_Cliff
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_BrickWall_C.png
+
+newmtl M_ClothesLine
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_ClothesLine_C.png
+
+newmtl M_Dirt
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_Dirt_C.png
+
+newmtl M_DirtTrimm
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_DirtTrim_C.png
+
+newmtl M_Fountain
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_Fountain_C.png
+
+newmtl M_GardenFlowers
+Ns 200.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+illum 1
+map_Kd T_GardenFlowers_Grass_C.png
+map_d T_GardenFlowers_Grass_O.png
+
+newmtl M_GlassPane
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 0.376859
+illum 1
+map_Kd T_GlassPane_C.png
+
+newmtl M_Grass
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_GroundGrass_C.png
+
+newmtl M_GrassFlowers
+Ns 1000.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+illum 1
+map_Kd T_Flowers_C.png
+map_d T_Flowers_wheel_O.png
+
+newmtl M_Hay
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_Hay_C.png
+
+newmtl M_HouseTrim
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_HouseTrim_C.png
+
+newmtl M_HouseUnique
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_HouseUnique_C.png
+
+newmtl M_IndoorChickenWire
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_ChickenWireInside_C.png
+
+newmtl M_LawnMower_Ladder_pots
+Ns 200.000000
+Ka 1.000000 1.000000 1.000000
+Kd 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+
+newmtl M_Path
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_Path_C.png
+
+newmtl M_PlantPot
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 1
+map_Kd T_Vase_C.png
+
+newmtl M_Plants
+Ns 0.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+illum 1
+map_Kd T_Flowers_C.png
+map_d T_Flowers_wheel_O.png
+
+newmtl M_Rocks_Wall
+Ns 200.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_Rocks_Wall_C.png
+
+newmtl M_RoofTiles
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_Roof_C.png
+
+newmtl M_Sand
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_Sand_C.png
+
+newmtl M_SwingChair
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+illum 1
+map_Kd T_ChainBench_C.png
+map_d T_ChainBench_O.png
+
+newmtl M_TableCloth
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_TableCloth_C.png
+
+newmtl M_TableUnique
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_TableUnique_c.png
+
+newmtl M_TreeBark
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_LocustBark_C.png
+
+newmtl M_TreeLeaf
+Ns 0.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+illum 1
+map_Kd T_Leaf_C.png
+map_d T_Leaf_O.png
+
+newmtl M_Vines
+Ns 0.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+illum 1
+map_Kd T_Vines_C.png
+map_d T_Vines_O.png
+
+newmtl M_Water
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 0.269091
+illum 1
+map_Kd T_Water_C.png
+
+newmtl M_WoodPlanks
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_WoodSeamless_C.png
+
+newmtl M_WorldTrimm
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 1
+map_Kd T_WorldTrimm_C.png

project/src/Camera.cpp

@@ -163,7 +163,7 @@ void dae::Camera::Update(const dae::Timer *pTimer) {
         mousePosChange = true;
     } else if (mouseState == SDL_BUTTON_X2)        //lmb + rmb
     {
-        origin.y += static_cast<float>(mouseY) / 2;
+        origin.y -= static_cast<float>(mouseY) / 2;
 
         mousePosChange = true;
     }

project/src/ColorRGB.h

@@ -1,5 +1,7 @@
 #pragma once
 #include "Math/MathHelpers.h"
+#include <algorithm>
+#include <cmath>
 
 namespace dae
 {
@@ -11,7 +13,7 @@ namespace dae
 
 		void MaxToOne()
 		{
-			const float maxValue = std::max(r, std::max(g, b));
+            const float maxValue = (r > g) ? ((r > b) ? r : b) : ((g > b) ? g : b);
             if (maxValue > 1.f)
 				*this /= maxValue;
 		}

project/src/Effects/BaseEffect.cpp

@@ -53,7 +53,6 @@ ID3DX11Effect *BaseEffect::LoadEffect(ID3D11Device *devicePtr, const std::wstrin
             std::wstringstream ss;
             for (UINT i{}; i < errorBlobPtr->GetBufferSize(); i++)
                 ss << errorsPtr[i];
-
             OutputDebugStringW(ss.str().c_str());
 
             errorBlobPtr->Release();
@@ -66,7 +65,6 @@ ID3DX11Effect *BaseEffect::LoadEffect(ID3D11Device *devicePtr, const std::wstrin
             return nullptr;
         }
     }
-    std::cout << "Effect loaded" << std::endl;
     return effectPtr;
 }
 
@@ -93,3 +91,7 @@ void BaseEffect::SetWorldMatrix(const dae::Matrix& matrix) const {
 void BaseEffect::ToggleNormals() {
 
 }
+
+void BaseEffect::NextCullMode() {
+
+}

project/src/Effects/BaseEffect.h

@@ -25,6 +25,8 @@ public:
 
     virtual void NextSamplingState();
 
+    virtual void NextCullMode();
+
     virtual void SetCameraPos(const dae::Vector3 &vector3) const;
 
     virtual void SetMaterial(Material *material);

project/src/Effects/Effect.cpp

@@ -10,9 +10,9 @@ Effect::Effect(ID3D11Device *devicePtr, const std::wstring &filePath)
     if(!m_LightPosVariablePtr->IsValid())
         std::wcout << L"gLightDirection Vector is not valid" << std::endl;
 
-    m_SamplerVariablePtr = m_EffectPtr->GetVariableByName("gSampler")->AsSampler();
+    m_SamplerVariablePtr = m_EffectPtr->GetVariableByName("gSampleState")->AsSampler();
     if(!m_SamplerVariablePtr->IsValid())
-        std::wcout << L"gSampler Sampler is not valid" << std::endl;
+        std::wcout << L"gSampleState Sampler is not valid" << std::endl;
 
     m_MatWorldVariablePtr = m_EffectPtr->GetVariableByName("gWorldMatrix")->AsMatrix();
     if(!m_MatWorldVariablePtr->IsValid())
@@ -46,9 +46,15 @@ Effect::Effect(ID3D11Device *devicePtr, const std::wstring &filePath)
     if(!m_UseNormalMapVariablePtr->IsValid())
         std::wcout << L"gUseNormalMap Scalar is not valid" << std::endl;
 
+    m_RasterizerVariablePtr = m_EffectPtr->GetVariableByName("gRasterizerState")->AsRasterizer();
+    if(!m_RasterizerVariablePtr->IsValid())
+        std::wcout << L"gRasterizerState Rasterizer is not valid" << std::endl;
+
     m_UseNormalMapVariablePtr->SetBool(m_UseNormalMap);
 
 
+
+
     constexpr int vectorSize{ 4 };
     constexpr float lightDirection[vectorSize]{ .577f, -.577f, .577f, 0.f };
     m_LightPosVariablePtr->SetFloatVector(lightDirection);
@@ -57,6 +63,10 @@ Effect::Effect(ID3D11Device *devicePtr, const std::wstring &filePath)
     m_LightColorVariablePtr->SetFloatVector(lightColor);
 
     this->InitSamplers(devicePtr);
+    this->InitRasterizer(devicePtr);
+
+    m_SamplerVariablePtr->SetSampler(0,m_SamplerStates[static_cast<int>(m_TechniqueType)]);
+    m_RasterizerVariablePtr->SetRasterizerState(0,m_RasterizerStates[static_cast<int>(m_CullMode)]);
 }
 
 Effect::~Effect() {
@@ -90,6 +100,9 @@ Effect::~Effect() {
     m_SamplerVariablePtr->Release();
     m_SamplerVariablePtr = nullptr;
 
+    m_RasterizerVariablePtr->Release();
+    m_RasterizerVariablePtr = nullptr;
+
     for(auto sampler : m_SamplerStates){
         sampler->Release();
     }
@@ -156,3 +169,32 @@ void Effect::InitSamplers(ID3D11Device *devicePtr) {
 
     m_SamplerVariablePtr->SetSampler(0,m_SamplerStates[static_cast<int>(m_TechniqueType)]);
 }
+
+void Effect::NextCullMode() {
+    m_CullMode = static_cast<CullMode>((static_cast<int>(m_CullMode) + 1) % 3);
+    m_RasterizerVariablePtr->SetRasterizerState(0,m_RasterizerStates[static_cast<int>(m_CullMode)]);
+}
+
+void Effect::InitRasterizer(ID3D11Device *devicePtr) {
+    D3D11_RASTERIZER_DESC rasterDesc = {};
+    rasterDesc.FillMode = D3D11_FILL_SOLID;  // Solid fill
+    rasterDesc.FrontCounterClockwise = FALSE;
+    rasterDesc.DepthBias = D3D11_DEFAULT_DEPTH_BIAS;
+    rasterDesc.SlopeScaledDepthBias = D3D11_DEFAULT_SLOPE_SCALED_DEPTH_BIAS;
+    rasterDesc.DepthClipEnable = TRUE;
+    rasterDesc.ScissorEnable = FALSE;
+    rasterDesc.MultisampleEnable = FALSE;
+    rasterDesc.AntialiasedLineEnable = FALSE;
+
+    rasterDesc.CullMode = D3D11_CULL_BACK;   // Cull back faces
+
+    devicePtr->CreateRasterizerState(&rasterDesc, &m_RasterizerStates[static_cast<int>(CullMode::Back)]);
+
+    rasterDesc.CullMode = D3D11_CULL_FRONT;
+
+    devicePtr->CreateRasterizerState(&rasterDesc, &m_RasterizerStates[static_cast<int>(CullMode::Front)]);
+
+    rasterDesc.CullMode = D3D11_CULL_NONE;
+
+    devicePtr->CreateRasterizerState(&rasterDesc, &m_RasterizerStates[static_cast<int>(CullMode::None)]);
+}

project/src/Effects/Effect.h

@@ -9,6 +9,12 @@ enum class TechniqueType {
     Anisotropic = 2
 };
 
+enum class CullMode {
+    None = 0,
+    Front = 1,
+    Back = 2
+};
+
 
 class Effect: public BaseEffect {
 public:
@@ -20,15 +26,18 @@ public:
 
     void SetCameraPos(const dae::Vector3 &pos) const override;
 
-    void SetMaterial(Material *material);
+    void SetMaterial(Material *material) override;
 
     void ToggleNormals() override;
 
     void NextSamplingState() override;
 
+    void NextCullMode() override;
+
 private:
 
     void InitSamplers(ID3D11Device* devicePtr);
+    void InitRasterizer(ID3D11Device* devicePtr);
 
     ID3DX11EffectMatrixVariable *m_MatWorldVariablePtr{};
 
@@ -45,9 +54,14 @@ private:
 
     ID3DX11EffectSamplerVariable *m_SamplerVariablePtr{};
 
+    ID3DX11EffectRasterizerVariable* m_RasterizerVariablePtr{};
+
     TechniqueType m_TechniqueType{TechniqueType::Linear};
 
     std::array<ID3D11SamplerState*, 3> m_SamplerStates{};
+    std::array<ID3D11RasterizerState*, 3> m_RasterizerStates{};
+
+    CullMode m_CullMode{ CullMode::Back };
 
     bool m_UseNormalMap{true};
 };

project/src/HitTest.cpp

@@ -0,0 +1,72 @@
+#include "HitTest.h"
+
+
+
+float CrossZ(const Vector3& p0, const Vector3& p1, const Vector3& point)
+{
+    return (p1.x - p0.x) * (point.y - p0.y)
+           - (p1.y - p0.y) * (point.x - p0.x);
+}
+
+std::optional<Sample> TriangleHitTest(const Vector3& fragPos, const VertexOut& v0, const VertexOut& v1, const VertexOut& v2)
+{
+    Vector3 weights;
+
+    weights.x = CrossZ(v2.position, v1.position, fragPos);
+    if ( weights.x > 0 )
+        return std::nullopt;
+
+    weights.y = CrossZ(v0.position, v2.position, fragPos);
+    if ( weights.y > 0 )
+        return std::nullopt;
+
+    weights.z = CrossZ(v1.position, v0.position, fragPos);
+    if ( weights.z > 0 )
+        return std::nullopt;
+
+    const float totalWeight{ weights.x + weights.y + weights.z };
+
+    const float invTotalWeight{ 1.0f / totalWeight };
+    const Vector3 normWeights{
+            weights.x * invTotalWeight,
+            weights.y * invTotalWeight,
+            weights.z * invTotalWeight
+    };
+
+    const float depth =
+            1 / (normWeights.x / v0.position.w +
+                 normWeights.y / v1.position.w +
+                 normWeights.z / v2.position.w);
+
+    const Vector2 uv =
+            v0.uv * depth * normWeights.x / v0.position.w +
+            v1.uv * depth * normWeights.y / v1.position.w +
+            v2.uv * depth * normWeights.z / v2.position.w;
+
+    const float interpolatedDepth = 1 / (normWeights.x / v0.position.w + normWeights.y / v1.position.w + normWeights.z / v2.position.w);
+
+    auto interpolate  =
+            [&]<typename Type>(const Type& val0, const Type& val1, const Type& val2) -> Type
+            {
+                return (val0 / v0.position.w * normWeights.x +
+                        val1 / v1.position.w * normWeights.y +
+                        val2 / v2.position.w * normWeights.z) * interpolatedDepth;
+
+            };
+
+    //Invert the normal
+    const Vector3 normal = interpolate(v0.normal, v1.normal, v2.normal).Normalized();
+    const Vector3 tangent = interpolate(v0.tangent, v1.tangent, v2.tangent).Normalized();
+    const Vector3 viewDir = interpolate(v0.viewDir, v1.viewDir, v2.viewDir).Normalized();
+
+    return Sample{
+            .uv = uv,
+            .normal = normal,
+            .tangent = tangent,
+            .viewDirection = viewDir,
+            .depth = depth,
+            .weight = normWeights,
+            .mesh = v0.mesh
+    };
+}
+

project/src/HitTest.h

@@ -0,0 +1,28 @@
+#ifndef GP1_DIRECTX_HITTEST_H
+#define GP1_DIRECTX_HITTEST_H
+
+#include <algorithm>
+#include <optional>
+#include "ColorRGB.h"
+#include "Math/Vector3.h"
+#include "Math/Vector2.h"
+#include "Mesh.h"
+
+using namespace dae;
+
+
+struct Sample
+{
+    Vector2 uv{};
+    Vector3 normal{};
+    Vector3 tangent{};
+    Vector3 viewDirection{};
+    float depth{};
+    Vector3 weight{};
+    Mesh* mesh{};
+};
+
+
+std::optional<Sample> TriangleHitTest(const Vector3& fragPos, const VertexOut& v0, const VertexOut& v1, const VertexOut& v2);
+
+#endif //GP1_DIRECTX_HITTEST_H

project/src/Math/Vector3.cpp

@@ -164,5 +164,10 @@ namespace dae {
 		if (index == 1) return y;
 		return z;
 	}
+
+    bool Vector3::operator==(const Vector3 &v) const {
+        return (x - v.x) < FLT_EPSILON && (y - v.y) < FLT_EPSILON && (z - v.z) < FLT_EPSILON;
+    }
+
 #pragma endregion
 }

project/src/Math/Vector3.h

@@ -44,6 +44,8 @@ namespace dae
 		Vector3& operator*=(float scale);
 		float& operator[](int index);
 		float operator[](int index) const;
+        bool operator==(const Vector3& v) const;
+
 
 		static const Vector3 UnitX;
 		static const Vector3 UnitY;

project/src/Math/Vector4.cpp

@@ -98,5 +98,14 @@ namespace dae
 		if (index == 2)return z;
 		return w;
 	}
+
+    bool Vector4::operator==(const Vector4 &v) const {
+        return
+                std::abs(x - v.x) <= FLT_EPSILON &&
+                std::abs(y - v.y) <= FLT_EPSILON &&
+                std::abs(z - v.z) <= FLT_EPSILON &&
+                std::abs(w - v.w) <= FLT_EPSILON;
+    }
+
 #pragma endregion
 }

project/src/Math/Vector4.h

@@ -32,5 +32,6 @@ namespace dae
 		Vector4& operator+=(const Vector4& v);
 		float& operator[](int index);
 		float operator[](int index) const;
+        bool operator==(const Vector4& v) const;
 	};
 }

project/src/Mesh.cpp

@@ -136,3 +136,12 @@ void Mesh::SetWorldMatrix(const Matrix &matrix) {
 void Mesh::ToggleNormals() {
     m_EffectPtr->ToggleNormals();
 }
+
+void Mesh::SetMaterial(Material *pMaterial) {
+    m_Material.reset(pMaterial);
+    m_EffectPtr->SetMaterial(pMaterial);
+}
+
+void Mesh::CycleCullMode() {
+    m_EffectPtr->NextCullMode();
+}

project/src/Mesh.h

@@ -13,6 +13,11 @@ using namespace dae;
 struct VertexIn;
 struct VertexOut;
 
+enum class PrimitiveTopology {
+    TriangleList,
+    TriangleStrip
+};
+
 
 
 
@@ -33,8 +38,21 @@ public:
 
     void NextSamplingState();
 
+    Material* GetMaterial() const { return m_Material.get(); }
+
     void SetWorldMatrix(const Matrix &matrix);
 
+    std::vector<VertexIn>& GetVertices() { return m_VerticesIn; }
+    std::vector<Uint32>& GetIndices() { return m_Indices; }
+    PrimitiveTopology GetPrimitiveTopology() const { return m_PrimitiveTopology; }
+
+    void SetMaterial(Material *pMaterial);
+
+    void CycleCullMode();
+
+    void SetShouldRender(bool shouldRender) { m_ShouldRender = shouldRender; }
+    bool GetShouldRender() const { return m_ShouldRender; }
+
 private:
     BaseEffect *m_EffectPtr;
 
@@ -49,6 +67,10 @@ private:
     UINT m_IndicesCount;
 
     std::shared_ptr<Material> m_Material{};
+
+    PrimitiveTopology m_PrimitiveTopology{PrimitiveTopology::TriangleList};
+
+    bool m_ShouldRender{ true };
 };
 
 struct VertexIn {
@@ -65,5 +87,7 @@ struct VertexOut {
     Vector3 normal{};
     Vector3 tangent{};
     Vector3 viewDir{};
+    Mesh* mesh{};
+    bool valid{ true };
 };
 

project/src/Renderer.cpp

@@ -5,6 +5,7 @@
 #include "Texture.h"
 #include "Effects/Effect.h"
 #include "Effects/FireEffect.h"
+#include "HitTest.h"
 
 namespace dae {
 
@@ -63,6 +64,23 @@ namespace dae {
         FireEffect* fireEffect = new FireEffect(m_DevicePtr, L"resources/Fire.fx");
         m_meshes.push_back(new Mesh(m_DevicePtr, vertices, indices, FireMaterial, fireEffect));
 
+        m_pFireMesh = m_meshes.back();
+
+//
+//        std::vector<std::unique_ptr<Utils::MaterialMesh>> materialMeshes;
+//        Utils::LoadObjWithMaterials("resources/scene.obj", materialMeshes, true, m_DevicePtr);
+//        for (const auto &mesh: materialMeshes) {
+//            if(mesh->vertices.size() > 0) {
+//                Effect *effect = new Effect(m_DevicePtr, L"resources/SimpleDiffuse.fx");
+//                std::shared_ptr<Material> material = std::make_shared<Material>();
+//                material->diffuseTexturePtr = Texture::LoadFromFile("./resources/" + mesh->diffuse_texture, m_DevicePtr);
+//                m_meshes.push_back(new Mesh(m_DevicePtr, mesh->vertices, mesh->indices, material, effect));
+//                Matrix worldMatrix = m_meshes.back()->GetWorldMatrix();
+//                worldMatrix *= Matrix::CreateScale(2.f, 2.f, 2.f);
+//                m_meshes.back()->SetWorldMatrix(worldMatrix);
+//            }
+//        }
+
 
         float aspectRatio = static_cast<float>(m_Width) / static_cast<float>(m_Height);
         m_Camera = Camera({.0f, 5.0f, -64.f}, 45.f);
@@ -90,6 +108,12 @@ namespace dae {
             delete mesh;
         }
 
+        //SDL
+
+        SDL_FreeSurface(m_pBackBuffer);
+        SDL_FreeSurface(m_pFrontBuffer);
+
+        delete[] m_pDepthBufferPixels;
 
     }
 
@@ -108,42 +132,191 @@ namespace dae {
         }
     }
 
-    void Renderer::Render() const {
+    void Renderer::Render() {
         if (!m_IsInitialized)
             return;
         if (m_backendType == Backendtype::DirectX) {
+            this->RenderDirectX();
+        } else {
+            this->RenderSDL();
+        }
 
+    }
+
+    void Renderer::RenderDirectX() const {
         //Clear back buffer
+        if(m_UniformClearColor){
+            const float clearColor[] = {static_cast<float>(r) / 255.f, static_cast<float>(g) / 255.f, static_cast<float>(b) / 255.f, 1.f};
+            m_DeviceContextPtr->ClearRenderTargetView(m_RenderTargetViewPtr, clearColor);
+        } else {
             const float clearColor[] = {1.f / 255.f, 0.f / 255.f, 76.f / 255.f, 1.f};
             m_DeviceContextPtr->ClearRenderTargetView(m_RenderTargetViewPtr, clearColor);
+        }
+
         m_DeviceContextPtr->ClearDepthStencilView(m_DepthStencilViewPtr, D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 1.0f, 0);
 
         Matrix viewProjMatrix = m_Camera.GetViewProjectionMatrix();
         for (auto mesh: m_meshes) {
+            if(mesh->GetShouldRender()){
                 Matrix modelMatrix = mesh->GetWorldMatrix();
                 Matrix worldViewProjMatrix = modelMatrix * viewProjMatrix;
 
                 mesh->Render(m_DeviceContextPtr, worldViewProjMatrix);
             }
+        }
 
         //Present
         m_SwapChainPtr->Present(0, 0);
+    }
+
+    void Renderer::RenderSDL() {
+        SDL_FillRect(m_pBackBuffer, nullptr, m_ClearColor);
+        SDL_LockSurface(m_pBackBuffer);
+        std::fill_n(m_pDepthBufferPixels, m_Width * m_Height, std::numeric_limits<float>::max());
+
+        SDL_FillRect(m_pBackBuffer, nullptr, m_ClearColor);
+
+        ColorRGB finalColor{};
+        constexpr int numVerticies = 3;
+
+        m_VerticiesScreenSpace.clear();
+
+
+        for (auto* currentMesh: m_meshes) {
+
+            if(!currentMesh->GetShouldRender()){
+                continue;
+            }
+
+            const Matrix worldViewProjectionMatrix{ currentMesh->GetWorldMatrix() * m_Camera.GetViewProjectionMatrix() };
+            VertexTransformationFunction(worldViewProjectionMatrix, currentMesh, currentMesh->GetVertices(), m_VerticiesScreenSpace);
+
+            int numTriangles{};
+
+            switch (currentMesh->GetPrimitiveTopology()) {
+                case PrimitiveTopology::TriangleList:
+                    numTriangles = static_cast<int>(currentMesh->GetIndices().size()) / numVerticies;
+                    break;
+                case PrimitiveTopology::TriangleStrip:
+                    numTriangles = static_cast<int>(currentMesh->GetIndices().size()) - 2;
+                    break;
+            }
+
+
+            for (int triangleIndex{}; triangleIndex < numTriangles; ++triangleIndex) {
+
+                VertexOut vertex0, vertex1, vertex2;
+
+                switch (currentMesh->GetPrimitiveTopology()) {
+                    case PrimitiveTopology::TriangleList:
+                        vertex0 = m_VerticiesScreenSpace[currentMesh->GetIndices()[triangleIndex * numVerticies + 0]];
+                        vertex1 = m_VerticiesScreenSpace[currentMesh->GetIndices()[triangleIndex * numVerticies + 1]];
+                        vertex2 = m_VerticiesScreenSpace[currentMesh->GetIndices()[triangleIndex * numVerticies + 2]];
+                        break;
+                    case PrimitiveTopology::TriangleStrip:
+                        vertex0 = m_VerticiesScreenSpace[currentMesh->GetIndices()[triangleIndex + 0]];
+                        vertex1 = m_VerticiesScreenSpace[currentMesh->GetIndices()[triangleIndex + 1]];
+                        vertex2 = m_VerticiesScreenSpace[currentMesh->GetIndices()[triangleIndex + 2]];
+
+                        if (triangleIndex % 2 == 1) {
+                            std::swap(vertex1, vertex2);
+                        }
+
+                        if (vertex0.position == vertex1.position ||
+                            vertex0.position == vertex2.position ||
+                            vertex1.position == vertex2.position) {
+                            continue;
+                        }
+                        break;
+                }
+                if (!vertex0.valid and !vertex1.valid and !vertex2.valid) {
+                    continue;
+                }
+
+
+                const float minX{std::min(vertex0.position.x, std::min(vertex1.position.x, vertex2.position.x))};
+                const float minY{std::min(vertex0.position.y, std::min(vertex1.position.y, vertex2.position.y))};
+
+                const float maxX{std::max(vertex0.position.x, std::max(vertex1.position.x, vertex2.position.x))};
+                const float maxY{std::max(vertex0.position.y, std::max(vertex1.position.y, vertex2.position.y))};
+
+
+                const Vector3 side1{vertex1.position - vertex0.position};
+                const Vector3 side2{vertex2.position - vertex0.position};
+
+                const float totalArea{Vector3::Cross(side1, side2).z};
+
+                const int startX = std::max(0, static_cast<int>(minX)) - 1;
+                const int endX = std::min(m_Width - 1, static_cast<int>(maxX)) + 1;
+
+                const int startY = std::max(0, static_cast<int>(minY)) - 1;
+                const int endY = std::min(m_Height - 1, static_cast<int>(maxY)) + 1;
+
+                for (int px{startX}; px < endX; ++px) {
+                    for (int py{startY}; py < endY; ++py) {
+
+                        if(m_isHitbox){
+                            //Hitboxes
+                            m_pBackBufferPixels[px + (py * m_Width)] = SDL_MapRGB(m_pBackBuffer->format,
+                                                                                  static_cast<uint8_t>(255),
+                                                                                  static_cast<uint8_t>(255),
+                                                                                  static_cast<uint8_t>(255));
+                            continue;
+                        }
+
+                        if (px < 0 || px >= m_Width || py < 0 || py >= m_Height) {
+                            //TEMP fix for out of bounds
+                            //This is to remove triangles having an incorrect edge on their bounding box
+                            continue;
+                        }
+
+                        Vector3 P{static_cast<float>(px) + 0.5f, static_cast<float>(py) + 0.5f, 1.f};
+
+                        auto sample{ TriangleHitTest(P, vertex0, vertex1, vertex2) };
+
+                        if (!sample.has_value()) {
+                            continue;
+                        }
+
+                        const Vector3 fragPos{ static_cast<float>(px) + 0.5f, static_cast<float>(py) + 0.5f, 1.f };
+
+                        int depthBufferIndex{ px + (py * m_Width) };
+
+                        float min{.985f};
+                        float max{1.f};
+                        float depthBuffer{(sample.value().depth - min) * (max - min)};
+                        float currentDepth = sample.value().depth;
+
+                        if (m_pDepthBufferPixels[depthBufferIndex] > currentDepth) {
+                            m_pDepthBufferPixels[depthBufferIndex] = currentDepth;
+
+                            if (m_isDepthBuffer) {
+                                finalColor = ColorRGB{depthBuffer, depthBuffer, depthBuffer};
                             } else {
-            SDL_FillRect(m_pBackBuffer, nullptr, Uint32(255 << 24) + Uint32(100 << 16) + Uint32(100 << 8) + Uint32(100));
+                                finalColor = ShadePixel(sample.value());
+                            }
 
-            //Lock BackBuffer
+                            finalColor.MaxToOne();
-            for (int x = 0; x < 100; ++x) {
+
-                for (int y = 0; y < 100; ++y) {
+                            m_pBackBufferPixels[px + (py * m_Width)] = SDL_MapRGB(m_pBackBuffer->format,
-                    m_pBackBufferPixels[(x + 100) + (y + 150) * m_Width] = SDL_MapRGB(m_pBackBuffer->format, 255, 0, 0);
+                                                                                  static_cast<uint8_t>(finalColor.r * 255),
+                                                                                  static_cast<uint8_t>(finalColor.g * 255),
+                                                                                  static_cast<uint8_t>(finalColor.b * 255));
+
+                        }
+
+
+
+                    }
+                }
             }
         }
 
-            SDL_BlitSurface(m_pBackBuffer, nullptr, m_pFrontBuffer, nullptr);
+        SDL_UnlockSurface(m_pBackBuffer);
+        SDL_BlitSurface(m_pBackBuffer,nullptr, m_pFrontBuffer, nullptr);
         SDL_UpdateWindowSurface(m_pWindow);
     }
 
-    }
-
     HRESULT Renderer::InitializeDirectX() {
         //1. Create device & deviceContext
         //=====
@@ -259,10 +432,163 @@ namespace dae {
         m_pBackBuffer = SDL_CreateRGBSurface(0, m_Width, m_Height, 32, 0, 0, 0, 0);
         m_pBackBufferPixels = (uint32_t *) m_pBackBuffer->pixels;
 
-//        m_pDepthBufferPixels = new float[m_Width * m_Height];
+        m_pDepthBufferPixels = new float[m_Width * m_Height];
+    }
+
+
+    void Renderer::VertexTransformationFunction(const Matrix &WorldViewProjectionMatrix, Mesh* mesh,
+                                                std::vector<VertexIn> &vertices_in, std::vector<VertexOut> &vertices_out) const {
+        for (const VertexIn& vert : vertices_in)
+        {
+            VertexOut vertex_out{};
+
+            Vector4 vertPos{ WorldViewProjectionMatrix.TransformPoint({vert.position, 1}) };
+
+            const Vector3 normal{ mesh->GetWorldMatrix().TransformVector(vert.normal) };
+            const Vector3 tangent{ mesh->GetWorldMatrix().TransformVector(vert.tangent) };
+
+
+
+            vertPos.x /= vertPos.w;
+            vertPos.y /= vertPos.w;
+            vertPos.z /= vertPos.w;
+
+            bool isValid{ true };
+
+            //Check if the vertex is inside the screen
+            if (vertPos.x < -1.f || vertPos.x > 1.f ||
+                vertPos.y < -1.f || vertPos.y > 1.f ||
+                vertPos.z <  0.f || vertPos.z > 1.f)
+                isValid = false;
+
+            vertPos.x = ((vertPos.x + 1.f) / 2.f) * static_cast<float>(m_Width);
+            vertPos.y = ((1.f - vertPos.y) / 2.f) * static_cast<float>(m_Height);
+
+            vertex_out.position = vertPos;
+            vertex_out.uv = vert.uv;
+            vertex_out.normal = normal;
+            vertex_out.tangent = tangent;
+            vertex_out.mesh = mesh;
+//            vertex_out.viewDir = WorldViewProjectionMatrix.TransformVector(vert.viewDir);
+            vertex_out.valid = isValid;
+
+            vertices_out.push_back(vertex_out);
+        }
 
     }
 
+    void Renderer::ToggleDepthBuffer() {
+        m_isDepthBuffer = !m_isDepthBuffer;
+    }
+
+    ColorRGB Renderer::ShadePixel(const Sample &sample) {
+
+        Material* currentMaterial = sample.mesh->GetMaterial();
+
+        if(currentMaterial->normalTexturePtr == nullptr && currentMaterial->specularTexturePtr == nullptr && currentMaterial->glossTexturePtr == nullptr){
+            return currentMaterial->diffuseTexturePtr->Sample(sample.uv);
+        }
+
+        Vector3 lightDirection = { .577f, -.577f, .577f};
+        Vector3 normal = sample.normal.Normalized();
+        constexpr float lightIntensity{ 7.f };
+
+        ColorRGB color{ 1, 1, 1 };
+        constexpr ColorRGB ambient{ .03f, .03f, .03f};
+
+        if(m_useNormals){
+            const ColorRGB normalSample{ sample.mesh->GetMaterial()->normalTexturePtr->Sample(sample.uv) };
+            const Vector4 normalMapSample{
+                    2.f * normalSample.r - 1.f,
+                    2.f * normalSample.g - 1.f,
+                    2.f * normalSample.b - 1.f,
+                    0.f
+            };
+
+            const Vector3 biNormal{ Vector3::Cross(normal, sample.tangent) };
+            const Matrix tangentToWorld{
+                    Vector4{ sample.tangent, 0.f },
+                    Vector4{ biNormal, 0.f },
+                    Vector4{ normal, 0.f },
+                    Vector4{ 0.f, 0.f, 0.f, 1.f }
+            };
+            normal = tangentToWorld.TransformVector(normalMapSample).Normalized();
+        }
+
+
+        const ColorRGB diffuseSample{ currentMaterial->diffuseTexturePtr->Sample(sample.uv) };
+        double invPi = 1.0 / PI;
+        const ColorRGB lambert{ diffuseSample * lightIntensity * invPi };
+
+        //TODO: ask why deviding by PI causses Segmentation fault
+//    const ColorRGB lambert{ diffuseSample * lightIntensity / PI };
+
+
+        float specularReflectance{ 1.f };
+        float shininess{ 25.f };
+
+        specularReflectance *= currentMaterial->glossTexturePtr->Sample(sample.uv).r;
+        shininess *= currentMaterial->specularTexturePtr->Sample(sample.uv).r;
+
+        const float cosAngle = Vector3::Dot(normal, -lightDirection);
+
+        const ColorRGB specular = specularReflectance * powf(cosAngle, shininess) * colors::White;
+
+        if (cosAngle < 0) {
+            return ambient;
+        }
+
+        switch(m_ShadeMode){
+            case ShadeMode::ObservedArea:
+                break;
+            case ShadeMode::Diffuse:
+                color = lambert;
+                break;
+            case ShadeMode::Specular:
+                color = specular;
+                break;
+            case ShadeMode::Combined:
+                color = lambert + specular + ambient;
+                break;
+        }
+
+        color *= ColorRGB{ cosAngle, cosAngle, cosAngle };
+
+        return color;
+    }
+
+    void Renderer::CycleCullMode() {
+        for(auto mesh: m_meshes){
+            mesh->CycleCullMode();
+        }
+    }
+
+    void Renderer::ToggleBoundingBox() {
+        m_isHitbox = !m_isHitbox;
+    }
+
+    void Renderer::CycleRenderingMode() {
+        switch (m_ShadeMode) {
+            case ShadeMode::ObservedArea:
+                m_ShadeMode = ShadeMode::Diffuse;
+                std::cout << "Diffuse" << std::endl;
+                break;
+            case ShadeMode::Diffuse:
+                m_ShadeMode = ShadeMode::Specular;
+                std::cout << "Specular" << std::endl;
+                break;
+            case ShadeMode::Specular:
+                m_ShadeMode = ShadeMode::Combined;
+                std::cout << "Combined" << std::endl;
+                break;
+            case ShadeMode::Combined:
+                m_ShadeMode = ShadeMode::ObservedArea;
+                std::cout << "Observed Area" << std::endl;
+                break;
+        }
+    }
+
+
     void Renderer::SwitchBackend() {
         if (m_backendType == Backendtype::DirectX) {
             m_backendType = Backendtype::SDL;
@@ -278,6 +604,7 @@ namespace dae {
     }
 
     void Renderer::ToggleNormals() {
+        m_useNormals = !m_useNormals;
         for(auto mesh: m_meshes){
             mesh->ToggleNormals();
         }
@@ -290,4 +617,10 @@ namespace dae {
     void Renderer::ToggleUniformClearColor() {
         m_UniformClearColor = !m_UniformClearColor;
     }
+
+    void Renderer::ToggleFireFX() {
+        m_pFireMesh->SetShouldRender(!m_pFireMesh->GetShouldRender());
+    }
+
+
 }

project/src/Renderer.h

@@ -2,6 +2,7 @@
 
 #include "Mesh.h"
 #include "Camera.h"
+#include "HitTest.h"
 
 struct SDL_Window;
 struct SDL_Surface;
@@ -11,12 +12,19 @@ enum class Backendtype {
     SDL
 };
 
+enum class ShadeMode{
+    ObservedArea,
+    Diffuse,
+    Specular,
+    Combined
+};
+
 namespace dae
 {
 	class Renderer final
 	{
 	public:
-		Renderer(SDL_Window* pWindow);
+		explicit Renderer(SDL_Window* pWindow);
 		~Renderer();
 
 		Renderer(const Renderer&) = delete;
@@ -25,7 +33,7 @@ namespace dae
 		Renderer& operator=(Renderer&&) noexcept = delete;
 
 		void Update(const Timer* pTimer);
-		void Render() const;
+		void Render();
 
         //Switching Functions
         void NextSamplingState();
@@ -37,31 +45,23 @@ namespace dae
 
         void ToggleUniformClearColor();
 
+        void ToggleDepthBuffer();
+
+        void CycleCullMode();
+
+        void ToggleBoundingBox();
+
+        void CycleRenderingMode();
+
+        void ToggleFireFX();
+
     private:
+        // Common vars
 		SDL_Window* m_pWindow{};
 
 		int m_Width{};
 		int m_Height{};
 
-		bool m_IsInitialized{ false };
-
-		//DIRECTX
-		HRESULT InitializeDirectX();
-        void    InitializeSDLRasterizer();
-
-        ID3D11Device* m_DevicePtr{};
-        ID3D11DeviceContext* m_DeviceContextPtr{};
-        IDXGISwapChain* m_SwapChainPtr{};
-        ID3D11Texture2D* m_DepthStencilBufferPtr{};
-        ID3D11DepthStencilView* m_DepthStencilViewPtr{};
-        ID3D11Resource* m_RenderTargetBufferPtr{};
-        ID3D11RenderTargetView* m_RenderTargetViewPtr{};
-
-        SDL_Surface* m_pFrontBuffer{ nullptr };
-        SDL_Surface* m_pBackBuffer{ nullptr };
-        uint32_t* m_pBackBufferPixels{};
-
-
         std::vector<Mesh*> m_meshes{};
         std::vector<std::shared_ptr<Material>> m_materials{};
 
@@ -73,5 +73,51 @@ namespace dae
         float m_currentRotation{};
         bool m_UniformClearColor{ false };
 
+
+        //DirectX vars
+
+		bool m_IsInitialized{ false };
+
+		HRESULT InitializeDirectX();
+        void RenderDirectX() const;
+
+        //Storing the mesh so i can deactivate it;
+        Mesh* m_pFireMesh{};
+
+        ID3D11Device* m_DevicePtr{};
+        ID3D11DeviceContext* m_DeviceContextPtr{};
+        IDXGISwapChain* m_SwapChainPtr{};
+        ID3D11Texture2D* m_DepthStencilBufferPtr{};
+        ID3D11DepthStencilView* m_DepthStencilViewPtr{};
+        ID3D11Resource* m_RenderTargetBufferPtr{};
+        ID3D11RenderTargetView* m_RenderTargetViewPtr{};
+
+        //SDL vars
+
+        void InitializeSDLRasterizer();
+        void RenderSDL();
+        void VertexTransformationFunction(const Matrix& WorldViewProjectionMatrix, Mesh* mesh, std::vector<VertexIn> &vertices_in, std::vector<VertexOut> &vertices_out) const;
+        ColorRGB ShadePixel(const Sample& sample);
+
+
+        SDL_Surface* m_pFrontBuffer{ nullptr };
+        SDL_Surface* m_pBackBuffer{ nullptr };
+        uint32_t* m_pBackBufferPixels{};
+
+        bool m_useNormals{ true };
+        bool m_isHitbox{ false };
+        ShadeMode m_ShadeMode{ ShadeMode::Combined };
+        bool m_isDepthBuffer{ false };
+
+
+        Uint8 r{100};
+        Uint8 g{100};
+        Uint8 b{100};
+        Uint32 m_ClearColor{ Uint32(255 << 24) + Uint32(r << 16) + Uint32(g << 8) + Uint32(b) };
+        float* m_pDepthBufferPixels{};
+
+        std::vector<VertexOut> m_VerticiesScreenSpace{};
+
+
     };
 }

project/src/Texture.cpp

@@ -1,3 +1,4 @@
+#include <algorithm>
 #include "Texture.h"
 
 Texture::~Texture() {
@@ -11,6 +12,11 @@ Texture *Texture::LoadFromFile(const std::string &path, ID3D11Device *devicePtr)
         std::cerr << "Failed to load texture: " << path << std::endl;
         return nullptr;
     }
+    if (surface->format->BytesPerPixel != 4)
+    {
+        std::cerr << "Texture::LoadFromFile > Texture is not in the right format: " << path << std::endl;
+//        throw std::runtime_error("Texture is not in the right format");
+    }
 
     auto *texture = new Texture(surface, devicePtr);
 
@@ -46,6 +52,22 @@ Texture::Texture(SDL_Surface *surfacePtr, ID3D11Device *devicePtr) {
 
     hr = devicePtr->CreateShaderResourceView(m_TexturePtr, &SRVDesc, &m_TextureResourceViewPtr);
 
-    SDL_FreeSurface(surfacePtr);
+    m_SurfacePtr = surfacePtr;
-
+    m_pSurfacePixels = static_cast<Uint32 *>(surfacePtr->pixels);
+}
+
+ColorRGB Texture::Sample(const Vector2 &uv) const {
+    Uint8 red, green, blue;
+
+    Vector2 wrapped = {fmod(uv.x, 1.0f), fmod(uv.y, 1.0f)};
+
+    if (wrapped.x < 0.0f) wrapped.x += 1.0f;
+    if (wrapped.y < 0.0f) wrapped.y += 1.0f;
+
+    SDL_GetRGB(m_pSurfacePixels[
+                       static_cast<int>(wrapped.x * static_cast<float>(m_SurfacePtr->w - 1)) +
+                       static_cast<int>(wrapped.y * static_cast<float>(m_SurfacePtr->h - 1)) * (m_SurfacePtr->w)
+               ], m_SurfacePtr->format, &red, &green, &blue);
+
+    return ColorRGB{static_cast<float>(red) / 255.0f, static_cast<float>(green) / 255.0f, static_cast<float>(blue) / 255.0f};
 }

project/src/Texture.h

@@ -7,7 +7,10 @@
 #include "Texture.h"
 #include "SDL_surface.h"
 #include "SDL_image.h"
+#include "ColorRGB.h"
+#include "Math/Vector2.h"
 
+using namespace dae;
 
 class Texture {
 public:
@@ -17,11 +20,16 @@ public:
 
     inline ID3D11ShaderResourceView* GetSrv() const { return m_TextureResourceViewPtr; }
 
+    ColorRGB Sample(const Vector2& uv) const;
+
 private:
     Texture(SDL_Surface* surfacePtr, ID3D11Device* devicePtr);
 
     ID3D11ShaderResourceView* m_TextureResourceViewPtr{};
     ID3D11Texture2D* m_TexturePtr{};
+
+    SDL_Surface* m_SurfacePtr{ nullptr };
+    uint32_t* m_pSurfacePixels{ nullptr };
 };
 
 

project/src/Utils.h

@@ -256,5 +256,118 @@ namespace dae {
 
             return true;
         }
+
+        struct MaterialMesh {
+            std::vector<VertexIn> vertices;
+            std::vector<uint32_t> indices;
+            int material_id = -1;             // Material ID associated with this mesh
+            std::string diffuse_texture;     // Path to the diffuse texture
+        };
+
+
+        static bool LoadObjWithMaterials(const std::string &fileName, std::vector<std::unique_ptr<MaterialMesh>> &meshes,
+                                         bool flipAxisAndWinding = true, ID3D11Device* device = nullptr) {
+            tinyobj::attrib_t attrib;
+            std::vector<tinyobj::shape_t> shapes;
+            std::vector<tinyobj::material_t> materials;
+            std::string warn, err;
+
+            std::string basepath = "resources/";
+
+            if (!tinyobj::LoadObj(&attrib, &shapes, &materials, &warn, &err, fileName.c_str(), basepath.c_str())) {
+                if (!warn.empty()) {
+                    std::cerr << "Warning: " << warn << std::endl;
+                }
+                if (!err.empty()) {
+                    std::cerr << "Error: " << err << std::endl;
+                }
+                return false;
+            }
+
+            // Clear and prepare the meshes array
+            meshes.clear();
+
+            // Create Mesh objects for each material
+            meshes.resize(materials.size());
+            for (size_t i = 0; i < materials.size(); ++i) {
+                meshes[i] = std::make_unique<MaterialMesh>();
+                meshes[i]->material_id = static_cast<int>(i);
+                meshes[i]->diffuse_texture = materials[i].diffuse_texname;
+            }
+
+            // Default Mesh for faces with no material
+            auto defaultMesh = std::make_unique<MaterialMesh>();
+            defaultMesh->material_id = -1;
+            defaultMesh->diffuse_texture = "";
+            meshes.push_back(std::move(defaultMesh));
+
+            for (const auto &shape : shapes) {
+                size_t index_offset = 0;
+
+                for (size_t f = 0; f < shape.mesh.num_face_vertices.size(); f++) {
+                    auto fv = size_t(shape.mesh.num_face_vertices[f]);
+
+                    if (fv != 3) {
+                        std::cerr << "Error: Only triangular faces are supported." << std::endl;
+                        return false;
+                    }
+
+                    int material_id = (f < shape.mesh.material_ids.size()) ? shape.mesh.material_ids[f] : -1;
+                    if (material_id < 0 || material_id >= static_cast<int>(materials.size())) {
+                        material_id = -1;
+                    }
+
+                    auto* targetMesh = (material_id >= 0 && material_id < static_cast<int>(materials.size()))
+                                       ? meshes[material_id].get()
+                                       : meshes.back().get(); // Use default mesh
+
+                    uint32_t tempIndices[3];
+                    VertexIn tempVertices[3];
+
+                    for (size_t v = 0; v < fv; v++) {
+                        tinyobj::index_t idx = shape.mesh.indices[index_offset + v];
+
+                        VertexIn vertex;
+
+                        if (idx.vertex_index >= 0) {
+                            vertex.position = Vector3(
+                                    attrib.vertices[3 * idx.vertex_index + 0],
+                                    attrib.vertices[3 * idx.vertex_index + 1],
+                                    attrib.vertices[3 * idx.vertex_index + 2]
+                            );
+                        }
+
+                        if (idx.texcoord_index >= 0) {
+                            vertex.uv = Vector2(
+                                    attrib.texcoords[2 * idx.texcoord_index + 0],
+                                    1.0f - attrib.texcoords[2 * idx.texcoord_index + 1] // Flip V
+                            );
+                        }
+
+                        if (idx.normal_index >= 0) {
+                            vertex.normal = Vector3(
+                                    attrib.normals[3 * idx.normal_index + 0],
+                                    attrib.normals[3 * idx.normal_index + 1],
+                                    attrib.normals[3 * idx.normal_index + 2]
+                            );
+                        }
+
+                        tempVertices[v] = vertex;
+                        tempIndices[v] = static_cast<uint32_t>(targetMesh->vertices.size());
+                        targetMesh->vertices.push_back(vertex);
+                    }
+
+                    // Push indices in the default order
+                    targetMesh->indices.push_back(tempIndices[0]);
+                    targetMesh->indices.push_back(tempIndices[1]);
+                    targetMesh->indices.push_back(tempIndices[2]);
+
+                    index_offset += fv;
+                }
+            }
+
+            return true;
+        }
+
     }
 }

project/src/main.cpp

@@ -29,6 +29,7 @@ int main(int argc, char *args[]) {
     const uint32_t width = 640;
     const uint32_t height = 480;
 
+
     SDL_Window *pWindow = SDL_CreateWindow(
             "DirectX - Bram Verhulst - 2GD11E",
             SDL_WINDOWPOS_UNDEFINED,
@@ -49,6 +50,8 @@ int main(int argc, char *args[]) {
     const auto pTimer = new Timer();
     const auto pRenderer = new Renderer(pWindow);
 
+    bool printFPS = false;
+
     //Start loop
     pTimer->Start();
     float printTimer = 0.f;
@@ -73,6 +76,7 @@ int main(int argc, char *args[]) {
                     }
                     if(scancode == SDL_SCANCODE_F9){
                         // Cycle Cull mode
+                        pRenderer->CycleCullMode();
                     }
                     if(scancode == SDL_SCANCODE_F10){
                         // Toggle Uniform Clear Color
@@ -80,11 +84,13 @@ int main(int argc, char *args[]) {
                     }
                     if(scancode == SDL_SCANCODE_F11){
                         // toggle Print fps
+                        printFPS = !printFPS;
                     }
 
                     //Hardware
                     if (scancode == SDL_SCANCODE_F3){
                         // Toggle FireFX mesh
+                        pRenderer->ToggleFireFX();
                     }
                     if (scancode == SDL_SCANCODE_F4){
                         //Toggle texture sampling states
@@ -93,25 +99,21 @@ int main(int argc, char *args[]) {
                     //Software
                     if(scancode == SDL_SCANCODE_F5){
                         //Cycle shading mode
+                        pRenderer->CycleRenderingMode();
                     }
                     if(scancode == SDL_SCANCODE_F6){
                         //Toggle normal mapping
+                        pRenderer->ToggleNormals();
                     }
                     if(scancode == SDL_SCANCODE_F7){
                         //Toggle Depth Buffer
+                        pRenderer->ToggleDepthBuffer();
                     }
                     if(scancode == SDL_SCANCODE_F8) {
                         //Toggle BoundingBox
+                        pRenderer->ToggleBoundingBox();
                     }
 
-                    if (e.key.keysym.scancode == SDL_SCANCODE_F2) {
-                    }
-                    if (e.key.keysym.scancode == SDL_SCANCODE_F3) {
-
-                    }
-                    if (e.key.keysym.scancode == SDL_SCANCODE_F4) {
-                        pRenderer->ToggleNormals();
-                    }
                     break;
                 }
                 default:
@@ -129,7 +131,7 @@ int main(int argc, char *args[]) {
         //--------- Timer ---------
         pTimer->Update();
         printTimer += pTimer->GetElapsed();
-        if (printTimer >= 1.f) {
+        if (printTimer >= 1.f && printFPS) {
             printTimer = 0.f;
             std::cout << "dFPS: " << pTimer->GetdFPS() << std::endl;
         }