NUKLEAR

Makefile

@@ -10,7 +10,7 @@ endif
 UNAME_P != uname -m
 
 #CC specifies which compiler we're using
-CC = gcc -std=c99
+CC = clang -std=c99
 
 ifeq ($(DEBUG), 1)
 	DEFFALGS += -DDEBUG
@@ -87,7 +87,7 @@ ifeq ($(UNAME), Windows_NT)
 	CLIBS = glew32
 	EXT = .exe
 else
-	LINKER_FLAGS = -static-libgcc
+	LINKER_FLAGS =
 	ELIBS = editor engine
 	CLIBS = glfw SDL2 SDL2_mixer m
 	EXT =
@@ -96,7 +96,8 @@ endif
 ELIBS != $(call prefix, $(ELIBS), -l)
 CLIBS != $(call prefix, $(CLIBS), -l)
 
-LELIBS = -Wl,-Bstatic $(ELIBS) -Wl,-Bdynamic $(CLIBS)
+#LELIBS = -Wl,-Bstatic $(ELIBS) -Wl,-Bdynamic $(CLIBS)
+LELIBS = $(ELIBS) $(CLIBS)
 
 objects = $(bsobjects) $(eobjects) $(pinobjects)
 DEPENDS = $(objects:.o=.d)

shaders/albedofrag.glsl

@@ -0,0 +1,12 @@
+#version 330 core
+out vec4 FragColor;
+
+in vec3 FragPos;
+in vec2 TexCoords;
+
+uniform sampler2D texture_diffuse1;
+
+void main()
+{    
+    FragColor = texture(texture_diffuse1, TexCoords);
+}

shaders/animspritefrag.glsl

@@ -0,0 +1,14 @@
+#version 330 core
+in vec2 TexCoords;
+out vec4 color;
+
+uniform sampler2DArray image;
+uniform float frame;
+uniform vec3 spriteColor;
+
+void main()
+{    
+    color = vec4(spriteColor, 1.f) * texture(image, vec3(TexCoords,frame));
+    if (color.a < 0.1)
+        discard;
+}

shaders/animspritevert.glsl

@@ -0,0 +1,17 @@
+#version 330 core
+layout (location = 0) in vec2 vertex; // <vec2 position, vec2 texCoords>
+
+out vec2 TexCoords;
+
+layout (std140) uniform Projection
+{
+    mat4 projection;
+};
+
+uniform mat4 model;
+
+void main()
+{
+    TexCoords = vertex.xy;
+    gl_Position = projection * model * vec4(vertex.xy, 0.0, 1.0);
+}

shaders/billboardfrag.glsl

@@ -0,0 +1,3 @@
+void main(){
+    color = texture( myTextureSampler, UV );
+}

shaders/billboardvertex.glsl

@@ -0,0 +1,11 @@
+void main(){
+
+    // Output position of the vertex, in clip space
+    // map [0..800][0..600] to [-1..1][-1..1]
+    vec2 vertexPosition_homoneneousspace = vertexPosition_screenspace - vec2(400,300); // [0..800][0..600] -> [-400..400][-300..300]
+    vertexPosition_homoneneousspace /= vec2(400,300);
+    gl_Position =  vec4(vertexPosition_homoneneousspace,0,1);
+
+    // UV of the vertex. No special space for this one.
+    UV = vertexUV;
+}

shaders/btdebugfrag.glsl

@@ -0,0 +1,9 @@
+#version 330 core
+layout (location = 0) out vec4 color;
+
+in vec3 vcolor;
+
+void main(void)
+{
+    color = vec4(vcolor, 1.f);   
+}

shaders/btdebugvert.glsl

@@ -0,0 +1,17 @@
+#version 330 core
+layout (location = 0) in vec3 position;
+layout (location = 1) in vec3 color;
+
+layout (std140) uniform Matrices {
+    mat4 projection;
+    mat4 view;
+};
+
+out vec3 vcolor;
+
+void main()
+{
+    gl_Position = projection * view * vec4(position, 1.0f);
+
+    vcolor = color;
+}

shaders/circlefrag.glsl

@@ -0,0 +1,24 @@
+#version 330
+in vec2 coords;
+
+out vec4 color;
+
+uniform float radius;
+uniform int thickness;
+
+void main()
+{
+    // int tt = thickness + 1;
+    float R1 = 1.f;
+    float R2 = 1.f - (thickness / radius);
+    float dist = sqrt(dot(coords, coords));
+    if (dist <= R2 || dist >= R1)
+        discard;
+/*
+    float smoother = 0.01f -  (radius  * 0.00003f);
+    float sm = smoothstep(R1, R1-smoother, dist);
+    float sm2 = smoothstep(R2, R2+smoother, dist);
+    float alpha = sm*sm2;
+*/
+    color = vec4(0.4f, 0.5f, 0.6f, 1.f);
+}

shaders/circlevert.glsl

@@ -0,0 +1,15 @@
+#version 330 core
+layout (location = 0) in vec4 vertex;
+out vec2 coords;
+
+layout (std140) uniform Projection
+{
+    mat4 projection;
+};
+
+void main()
+{
+    coords = vertex.zw;
+
+    gl_Position = projection * vec4(vertex.xy, 0.0, 1.0);
+}

shaders/debugcolorfrag.glsl

@@ -0,0 +1,9 @@
+#version 330 core
+out vec4 FragColor;
+
+uniform vec3 PickingColor;
+
+void main()
+{             
+    FragColor = vec4(PickingColor, 1.0); // orthographic
+}

shaders/debugdepthfrag.glsl

@@ -0,0 +1,22 @@
+#version 330 core
+out vec4 FragColor;
+
+in vec2 TexCoords;
+
+uniform sampler2D depthMap;
+uniform float near_plane;
+uniform float far_plane;
+
+// required when using a perspective projection matrix
+float LinearizeDepth(float depth)
+{
+    float z = depth * 2.0 - 1.0; // Back to NDC 
+    return (2.0 * near_plane * far_plane) / (far_plane + near_plane - z * (far_plane - near_plane));	
+}
+
+void main()
+{             
+    float depthValue = texture(depthMap, TexCoords).r;
+    //FragColor = vec4(vec3(LinearizeDepth(depthValue) / far_plane), 1.0); // perspective
+    FragColor = texture(depthMap, TexCoords); // orthographic
+}

shaders/fragment.glsl

@@ -0,0 +1,99 @@
+#version 330 core
+
+out vec4 FragColor;
+
+struct Light {
+    vec3 direction;
+    vec3 color;
+};
+
+struct PLight {
+    vec3 position;
+    vec3 color;
+    float constant;
+    float linear;
+    float quadratic;
+};
+
+struct SLight {
+    vec3 position;
+    vec3 direction;
+    float cutOff;
+    float outerCutOff;
+};
+
+uniform vec3 objectColor;
+uniform vec3 lightColor;
+uniform vec3 lightPos;
+uniform vec3 viewPos;
+
+uniform sampler2D diffuseTex;
+uniform sampler2D specTex;
+uniform float shininess;
+uniform Light light;
+uniform PLight plight;
+uniform SLight slight;
+
+in vec3 Normal;
+in vec3 FragPos;
+
+in vec2 TexCoords;
+
+float near = 0.1; 
+float far  = 100.0; 
+  
+float LinearizeDepth(float depth) 
+{
+    float z = depth * 2.0 - 1.0; // back to NDC 
+    return (2.0 * near * far) / (far + near - z * (far - near));	
+}
+
+// void main()
+// {             
+//     float depth = LinearizeDepth(gl_FragCoord.z) / far; // divide by far for demonstration
+//     FragColor = vec4(vec3(depth), 1.0);
+// }
+void main()
+{
+    //vec3 dirDir = normalize(-Directional.direction);
+
+    float ambientStrength = 1.f;
+    vec3 ambient = ambientStrength * vec3(texture(diffuseTex, TexCoords));
+    
+    // vec3 norm = normalize(Normal);
+
+    // vec3 diffuse;
+
+    // Directional
+    //vec3 lightDir = normalize(-light.direction);
+
+   
+
+    // Point
+    // float distance = length(plight.position - FragPos);
+    // float attenuation = 1.f / (plight.constant + plight.linear * distance + plight.quadratic * (distance * distance));
+    // vec3 lightDir = normalize(lightPos - FragPos);
+
+    // float diff = max(dot(norm, lightDir), 0.f);
+    //diffuse = diff * lightColor * vec3(texture(diffuseTex, TexCoords)) * attenuation;
+
+    // Spot
+    // lightDir = normalize(slight.position - FragPos);
+    // float theta = dot(lightDir, normalize(-slight.direction));
+    // float epsilon = slight.cutOff - slight.outerCutOff;
+    // float intensity = clamp((theta - slight.outerCutOff) / epsilon, 0.f, 1.f);
+    // diffuse = lightColor * diff * vec3(texture(diffuseTex, TexCoords)) * intensity;
+
+    // float specularStrength = 0.5f;
+    // vec3 viewDir = normalize(viewPos - FragPos);
+    // vec3 reflectDir = reflect(-lightDir, norm);
+    // float spec = pow(max(dot(viewDir, reflectDir), 0.f), 32);
+    // vec3 specular = specularStrength * spec * lightColor * texture(specTex, TexCoords).rgb;
+
+    // if(texture(specTex, TexCoords).r < 0.1f)
+    //     discard;
+
+    //vec3 result = (ambient + diffuse + specular) * objectColor;
+    
+    FragColor = vec4(ambient, 1.f);
+} 

shaders/gizmofrag.glsl

@@ -0,0 +1,11 @@
+#version 330 core
+
+layout (location = 0) out vec4 color;
+
+in vec3 vcolor;
+in vec3 FragPos;
+
+void main(void)
+{
+    color = vec4(vcolor, 1.f);
+}

shaders/gizmovert.glsl

@@ -0,0 +1,21 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+
+layout (std140) uniform Matrices {
+    mat4 projection;
+    mat4 view;
+};
+
+out vec3 vcolor;
+uniform mat4 model;
+
+void main()
+{
+    vec3 m = aPos;
+
+    vcolor.r = m.r / 1.f;
+    vcolor.g = m.g / 1.f;
+    vcolor.b = m.b / 1.f;
+
+    gl_Position = projection * view * model * (vec4(m, 1.f));
+}  

shaders/gridfrag.glsl

@@ -0,0 +1,19 @@
+#version 330
+out vec4 color;
+
+in vec2 apos;
+vec2 bpos;
+uniform int thickness;
+uniform int span;
+
+void main(void)
+{
+    float t = thickness / 2.f;
+    bpos.x = mod(apos.x, span);
+    bpos.y = mod(apos.y, span);
+
+    if (!(bpos.x <= t || bpos.x >= (span - t) || bpos.y <= t || bpos.y >= (span - t)))
+        discard;
+
+    color = vec4(0.4f, 0.7f, 0.2f, 0.3f);
+}

shaders/gridvert.glsl

@@ -0,0 +1,16 @@
+#version 330
+layout (location = 0) in vec2 pos;
+out vec2 apos;
+
+layout (std140) uniform Projection {
+    mat4 projection;
+};
+
+void main()
+{
+    mat4 iproj = inverse(projection);
+    vec4 ipos = iproj * vec4(pos, 0.f, 1.f);
+    apos = ipos.xy;
+
+    gl_Position = vec4(pos, 0.f, 1.f);
+}

shaders/lightfrag.glsl

@@ -0,0 +1,7 @@
+#version 330 core
+out vec4 FragColor;
+
+void main()
+{
+    FragColor = vec4(1.0f); // set alle 4 vector values to 1.0
+}

shaders/lightvert.glsl

@@ -0,0 +1,11 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+
+void main()
+{
+	gl_Position = projection * view * model * vec4(aPos, 1.0);
+}

shaders/linefrag.glsl

@@ -0,0 +1,7 @@
+#version 330
+out vec4 color;
+
+void main()
+{
+    color = vec4(0.2f, 0.1f, 0.8f, 1.f);
+}

shaders/linevert.glsl

@@ -0,0 +1,11 @@
+#version 330
+layout (location = 0) in vec2 pos;
+
+layout (std140) uniform Projection {
+    mat4 projection;
+};
+
+void main()
+{
+    gl_Position = projection * vec4(pos, 0.f, 1.f);
+}

shaders/modelfrag.glsl

@@ -0,0 +1,185 @@
+#version 330 core
+out vec4 FragColor;
+
+struct Light {
+    vec3 direction;
+    vec3 color;
+    float strength;
+};
+
+struct PLight {
+    vec3 position;
+    float constant;
+    float linear;
+    float quadratic;
+    vec3 color;
+    float strength;
+};
+
+struct SpotLight {
+    vec3 position;
+    vec3 direction;
+    vec3 color;
+    float strength;
+    float cutoff;
+    float outerCutoff;
+    float distance;
+    float constant;
+    float linear;
+    float quadratic;
+};
+
+in vec3 FragPos;
+in vec2 TexCoords;
+in vec4 FragPosLightSpace;
+in mat3 TBN;
+
+//in vec3 TangentLightPos;
+in vec3 TangentViewPos;
+in vec3 TangentFragPos;
+
+uniform sampler2D texture_diffuse1;
+uniform sampler2D texture_normal1;
+uniform sampler2D shadowMap;
+
+uniform Light dirLight;
+uniform vec3 viewPos;
+
+vec3 norm;
+vec3 viewDir;
+
+#define NR_POINT_LIGHTS 1
+uniform PLight pointLights[NR_POINT_LIGHTS];
+
+uniform SpotLight spotLight;
+
+float ShadowCalculation(vec4 fragPosLightSpace, vec3 normal, vec3 lightDir) {
+    // perform perspective divide
+    vec3 projCoords = fragPosLightSpace.xyz / fragPosLightSpace.w;
+    // transform to [0,1] range
+    projCoords = projCoords * 0.5 + 0.5;
+    // get closest depth value from light's perspective (using [0,1] range fragPosLight as coords)
+    float closestDepth = texture(shadowMap, projCoords.xy).r; 
+    // get depth of current fragment from light's perspective
+    float currentDepth = projCoords.z;
+    // calculate bias (based on depth map resolution and slope)
+    float bias = max(0.05 * (1.0 - dot(normal, lightDir)), 0.005);
+    // check whether current frag pos is in shadow
+    // float shadow = currentDepth - bias > closest Depth  ? 1.0 : 0.0;
+    // PCF
+    float shadow = 0.0;
+    vec2 texelSize = 1.0 / textureSize(shadowMap, 0);
+    for(int x = -1; x <= 1; ++x)
+    {
+        for(int y = -1; y <= 1; ++y)
+        {
+            float pcfDepth = texture(shadowMap, projCoords.xy + vec2(x, y) * texelSize).r; 
+            shadow += currentDepth - bias > pcfDepth  ? 1.0 : 0.0;        
+        }    
+    }
+    shadow /= 9.0;
+    
+    // keep the shadow at 0.0 when outside the far_plane region of the light's frustum.
+    if(projCoords.z > 1.0)
+        shadow = 0.0;
+        
+    return shadow;
+}
+
+vec3 CalcDirLight(Light light) {
+    vec3 lightDir = TBN * normalize(-light.direction);
+    float lightStrength = 3.f;
+    vec3 lightColor = vec3(1.f);
+
+    // diffuse shading
+    float diff = max(dot(norm, lightDir), 0.f);
+
+    // specular shading
+    float specularStrength = 0.5f;
+    vec3 reflectDir = reflect(-lightDir, norm);
+    vec3 halfwayDir = normalize(lightDir + viewDir); // Use this instead of reflectDir?
+    float spec = pow(max(dot(viewDir, halfwayDir), 0.0), 32.f) * specularStrength; // 32.f is "shininess"
+
+    float shadow = ShadowCalculation(FragPosLightSpace, norm, lightDir);
+
+    // combine results
+    return light.strength * (diff + spec) * (1.f-shadow) * light.color;
+}
+
+vec3 CalcPointLight(PLight light) {
+    vec3 tbnPos = TBN * light.position;
+    vec3 lightDir = normalize(tbnPos - TangentFragPos);
+
+    // Diffuse
+    float diff = max(dot(norm, lightDir), 0.f);
+
+    // specular
+    vec3 reflectDir = reflect(-lightDir, norm);
+    vec3 halfwayDir = normalize(lightDir + viewDir);
+    float spec = pow(max(dot(viewDir, halfwayDir), 0.f), 32.f);
+
+    // Attenuation
+    float distance = length(light.position - TangentFragPos);
+    float attenuation = 1.f / (light.constant + light.linear * distance + light.quadratic * (distance * distance));
+
+    return light.color * attenuation * light.strength * (diff + spec);
+}
+
+vec3 CalcSpotLight(SpotLight light) {
+    vec3 tbnPos = TBN * light.position;
+    vec3 tbnDir = TBN * light.direction;
+    vec3 lightDir = normalize(tbnPos - TangentFragPos);
+    
+    float diff = max(dot(norm, lightDir), 0.f);
+
+    vec3 reflectDir = reflect(-lightDir, norm);
+    vec3 halfwayDir = normalize(lightDir + viewDir);
+    float spec = pow(max(dot(viewDir, halfwayDir), 0.f), 32.f);
+
+    float theta = dot(lightDir, normalize(-tbnDir));
+    float epsilon = light.cutoff - light.outerCutoff;
+    float intensity = clamp((theta - light.outerCutoff) / epsilon, 0.f, 1.f);
+
+    float distance = length(light.position - FragPos);
+    float attenuation = 1.f / (light.constant + light.linear * distance + light.quadratic * (distance * distance));
+
+    return light.color * light.strength * (diff + spec) * intensity * attenuation;
+
+}
+
+void main()
+{   
+    vec4 model = texture(texture_diffuse1, TexCoords);
+
+    if (model.a <= 0.1f)
+        discard;
+
+    vec3 albedo = model.rgb;
+    
+    norm = texture(texture_normal1, TexCoords).rgb;
+    norm = normalize(norm * 2.f - 1.f);
+    //vec3 norm = normalize(TangentViewPos);
+
+    viewDir = normalize(TangentViewPos - TangentFragPos);
+
+    // Ambient doesn't change
+    float ambientStrength = 0.3f;
+    vec3 ambientColor = vec3(1.f);
+    vec3 ambient = ambientStrength * ambientColor;
+
+    // Per light calculation
+    
+    // Directional
+    vec3 result =  CalcDirLight(dirLight);
+    result += ambient;
+
+    // Point
+    for (int i = 0; i < NR_POINT_LIGHTS; i++)
+        result += CalcPointLight(pointLights[i]);
+
+    result += CalcSpotLight(spotLight);
+
+
+    FragColor = vec4(result * model.rgb, 1.f);
+}
+

shaders/modelvert.glsl

@@ -0,0 +1,68 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aNormal;
+layout (location = 2) in vec2 aTexCoords;
+layout (location = 3) in vec3 aTangent;
+layout (location = 4) in vec3 aBitangent;
+layout (location = 5) in ivec4 boneIds;
+layout (location = 6) in vec4 weights;
+
+layout (std140) uniform Matrices {
+    mat4 projection;
+    mat4 view;
+};
+
+//out vec3 Normal;
+out vec3 FragPos;
+out vec2 TexCoords;
+
+//out vec3 TangentLightPos;
+out vec3 TangentViewPos;
+out vec3 TangentFragPos;
+
+out vec4 FragPosLightSpace;
+out mat3 TBN;
+
+uniform mat4 model;
+uniform mat4 lightSpaceMatrix;
+uniform vec3 viewPos;
+
+const int MAX_BONES = 100;
+const int MAX_BONE_INFLUENCE = 4;
+uniform mat4 finalBonesMatrices[MAX_BONES];
+
+void main()
+{
+    vec4 totalPosition = vec4(0.f);
+    for (int i = 0; i < MAX_BONE_INFLUENCE; i++) {
+        if (boneIds[i] == -1)
+            continue;
+
+        if (boneIds[i] >= 4) {
+            totalPosition = vec4(aPos, 1.f);
+            break;
+        }
+
+        vec4 localPosition = finalBonesMatrices[boneIds[i]] * vec4(aPos, 1.f);
+        totalPosition += localPosition * weights[i];
+        vec3 localNormal = mat3(finalBonesMatrices[boneIds[i]]) * aNormal;
+    }
+
+
+    FragPos = vec3(model * vec4(aPos, 1.f));
+    TexCoords = aTexCoords;
+
+    mat3 normalMatrix = transpose(inverse(mat3(model)));
+    vec3 T = normalize(normalMatrix * aTangent);
+    vec3 N = normalize(normalMatrix * aNormal);
+    T = normalize(T - dot(T, N) * N);
+    vec3 B = cross(N, T);
+
+    TBN = transpose(mat3(T, B, N));
+    // TangentLightPos = TBN * lightPos;
+    TangentViewPos = TBN * viewPos;
+    TangentFragPos = TBN * FragPos;
+    
+    FragPosLightSpace = lightSpaceMatrix * vec4(FragPos, 1.f);
+    gl_Position = projection * view * model * totalPosition;
+}

shaders/outline.glsl

@@ -0,0 +1,7 @@
+#version 330 core
+out vec4 FragColor;
+
+void main()
+{
+    FragColor = vec4(0.92f, 0.86f, 0.68f, 1.0f);
+}

shaders/outlinevert.glsl

@@ -0,0 +1,15 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aNormal;
+
+layout (std140) uniform Matrices {
+    mat4 projection;
+    mat4 view;
+};
+
+uniform mat4 model;
+
+void main()
+{
+    gl_Position = projection * view * model * vec4(aPos + (aNormal * 2.f), 1.f);
+}

shaders/postfrag.glsl

@@ -0,0 +1,58 @@
+#version 330 core
+out vec4 FragColor;
+  
+in vec2 TexCoords;
+
+uniform sampler2D screenTexture;
+
+const float offset = 1.0 / 300.0; 
+
+void main()
+{ 
+    FragColor = texture(screenTexture, TexCoords);
+    //Invert color
+    //FragColor = vec4(vec3(1.0 - texture(screenTexture, TexCoords)), 1.0);
+
+    //Grayscale
+    //FragColor = texture(screenTexture, TexCoords);
+    //float average = 0.2126 * FragColor.r + 0.7152 * FragColor.g + 0.0722 * FragColor.b;
+    //FragColor = vec4(average, average, average, 1.0);
+
+    //Blur
+    // vec2 offsets[9] = vec2[](
+    //     vec2(-offset,  offset), // top-left
+    //     vec2( 0.0f,    offset), // top-center
+    //     vec2( offset,  offset), // top-right
+    //     vec2(-offset,  0.0f),   // center-left
+    //     vec2( 0.0f,    0.0f),   // center-center
+    //     vec2( offset,  0.0f),   // center-right
+    //     vec2(-offset, -offset), // bottom-left
+    //     vec2( 0.0f,   -offset), // bottom-center
+    //     vec2( offset, -offset)  // bottom-right    
+    // );
+
+    // Sharpen kernel
+    // float kernel[9] = float[](
+    //     -1, -1, -1,
+    //     -1,  9, -1,
+    //     -1, -1, -1
+    // );
+
+    // Blur kernel
+    // float kernel[9] = float[](
+    //     1.0 / 16, 2.0 / 16, 1.0 / 16,
+    //     2.0 / 16, 4.0 / 16, 2.0 / 16,
+    //     1.0 / 16, 2.0 / 16, 1.0 / 16  
+    // );
+    
+    // vec3 sampleTex[9];
+    // for(int i = 0; i < 9; i++)
+    // {
+    //     sampleTex[i] = vec3(texture(screenTexture, TexCoords.st + offsets[i]));
+    // }
+    // vec3 col = vec3(0.0);
+    // for(int i = 0; i < 9; i++)
+    //     col += sampleTex[i] * kernel[i];
+    
+    // FragColor = vec4(col, 1.0);
+}

shaders/postvert.glsl

@@ -0,0 +1,11 @@
+#version 330 core
+layout (location = 0) in vec2 aPos;
+layout (location = 1) in vec2 aTexCoords;
+
+out vec2 TexCoords;
+
+void main()
+{
+    gl_Position = vec4(aPos.x, aPos.y, 0.0, 1.0); 
+    TexCoords = aTexCoords;
+}  

shaders/shadowfrag.glsl

@@ -0,0 +1,6 @@
+#version 330 core
+
+void main()
+{             
+    // gl_FragDepth = gl_FragCoord.z;
+}  

shaders/shadowvert.glsl

@@ -0,0 +1,10 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+
+uniform mat4 lightSpaceMatrix;
+uniform mat4 model;
+
+void main()
+{
+    gl_Position = lightSpaceMatrix * model * vec4(aPos, 1.0);
+}  

shaders/simplevert.glsl

@@ -0,0 +1,19 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+layout (location = 2) in vec2 aTexCoords;
+
+layout (std140) uniform Matrices {
+    mat4 projection;
+    mat4 view;
+};
+
+out vec2 TexCoords;
+
+uniform mat4 model;
+
+void main()
+{
+    TexCoords = aTexCoords;
+
+    gl_Position = projection * view * model * vec4(aPos, 1.f);
+}

shaders/skyfrag.glsl

@@ -0,0 +1,11 @@
+#version 330 core
+out vec4 FragColor;
+
+in vec3 TexCoords;
+
+uniform samplerCube skybox;
+
+void main()
+{    
+    FragColor = texture(skybox, TexCoords);
+}

shaders/skyvert.glsl

@@ -0,0 +1,18 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+
+out vec3 TexCoords;
+
+layout (std140) uniform Matrices {
+    mat4 projection;
+    mat4 view;
+};
+
+uniform mat4 skyview;
+
+void main()
+{
+    TexCoords = aPos;
+    vec4 pos = projection * skyview * vec4(aPos, 1.0);
+    gl_Position = pos.xyww;
+}  

shaders/spritefrag.glsl

@@ -0,0 +1,14 @@
+#version 330 core
+in vec2 texcoords;
+out vec4 color;
+
+uniform sampler2D image;
+uniform vec3 spriteColor;
+
+void main()
+{
+    color = vec4(spriteColor, 1.f) * texture(image, texcoords);
+
+    if (color.a <= 0.1f)
+        discard;
+}

shaders/spritevert.glsl

@@ -0,0 +1,16 @@
+#version 330 core
+layout (location = 0) in vec2 vertex;
+out vec2 texcoords;
+
+layout (std140) uniform Projection
+{
+    mat4 projection;
+};
+
+uniform mat4 model;
+
+void main()
+{
+    texcoords = vertex.xy;
+    gl_Position = projection * model * vec4(vertex.xy, 0.0, 1.0);
+}

shaders/textfrag.glsl

@@ -0,0 +1,12 @@
+#version 330 core
+in vec2 TexCoords;
+out vec4 color;
+
+uniform sampler2D text;
+uniform vec3 textColor;
+
+void main()
+{    
+    vec4 sampled = vec4(1.0, 1.0, 1.0, texture(text, TexCoords).r);
+    color = vec4(textColor, 1.0) * sampled;
+}

shaders/textvert.glsl

@@ -0,0 +1,11 @@
+#version 330 core
+layout (location = 0) in vec4 vertex; // <vec2 pos, vec2 tex>
+out vec2 TexCoords;
+
+uniform mat4 projection;
+
+void main()
+{
+    gl_Position = projection * vec4(vertex.xy, 0.0, 1.0);
+    TexCoords = vertex.zw;
+}

shaders/vertex.glsl

@@ -0,0 +1,22 @@
+#version 330 core
+
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aNormal;
+layout (location = 2) in vec2 aTexCoords;
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+
+out vec3 Normal;
+out vec3 FragPos;
+out vec2 TexCoords;
+
+void main()
+{
+    FragPos = vec3(model * vec4(aPos, 1.f));
+    Normal = mat3(transpose(inverse(model))) * aNormal;
+    TexCoords = aTexCoords;
+
+    gl_Position = projection * view * model * vec4(aPos, 1.0f); // see how we directly give a vec3 to vec4's constructor
+}

shaders/videofrag.glsl

@@ -0,0 +1,22 @@
+#version 330 core
+in vec2 TexCoords;
+out vec4 color;
+
+uniform sampler2D texture_y;
+uniform sampler2D texture_cb;
+uniform sampler2D texture_cr;
+uniform vec3 spriteColor;
+
+mat4 rec601 = mat4(
+    1.16438,  0.00000,  1.59603, -0.87079,
+    1.16438, -0.39176, -0.81297,  0.52959,
+    1.16438,  2.01723,  0.00000, -1.08139,
+    0, 0, 0, 1
+);
+    
+void main() {
+    float y = texture2D(texture_y, TexCoords).r;
+    float cb = texture2D(texture_cb, TexCoords).r;
+    float cr = texture2D(texture_cr, TexCoords).r;
+    color = vec4(y, cb, cr, 1.f) * rec601 * vec4(spriteColor, 1.f);
+}

shaders/videovert.glsl

@@ -0,0 +1,12 @@
+#version 330 core
+layout (location = 0) in vec4 vertex;
+
+out vec2 TexCoords;
+
+uniform mat4 model;
+uniform mat4 projection;
+
+void main() {
+    TexCoords = vertex.zw;
+    gl_Position = projection * model * vec4(vertex.xy, 0.0, 1.0);
+}

source/editor/Nuklear/nuklear.h

@@ -6079,7 +6079,6 @@ NK_LIB void nk_property(struct nk_context *ctx, const char *name, struct nk_prop
 #define STB_RECT_PACK_IMPLEMENTATION
 #define STB_TRUETYPE_IMPLEMENTATION
 
-
 /* Allow consumer to define own STBTT_malloc/STBTT_free, and use the font atlas' allocator otherwise */
 #ifndef STBTT_malloc
 static void*
@@ -15095,6 +15094,7 @@ STBTT_DEF unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info
 
          stbtt_Rasterize(&gbm, 0.35f, vertices, num_verts, scale_x, scale_y, shift_x, shift_y, ix0, iy0, 1, info->userdata);
       }
+   }
    STBTT_free(vertices, info->userdata);
    return gbm.pixels;
 }

source/editor/editor.c

@@ -416,7 +416,7 @@ static void edit_mouse_cb(GLFWwindow *w, int button, int action, int mods)
     }
 }
 
-struct nk_context *nkctx;
+struct nk_context *ctx;
 struct nk_glfw nkglfw = {0};
 
 void editor_init(struct mSDLWindow *window)
@@ -433,8 +433,13 @@ void editor_init(struct mSDLWindow *window)
 	fclose(feditor);
     }
 
-    nkctx = nk_glfw3_init(&nkglfw, window->window, NK_GLFW3_INSTALL_CALLBACKS);
-    //set_style(nkctx, THEME_WHITE);
+    ctx = nk_glfw3_init(&nkglfw, window->window, NK_GLFW3_INSTALL_CALLBACKS);
+
+
+   struct nk_font_atlas *atlas;
+    nk_glfw3_font_stash_begin(&nkglfw, &atlas);
+    struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "fonts/notosans.tff", 14, 0);
+    nk_glfw3_font_stash_end(&nkglfw);
 
     glfwSetKeyCallback(window->window, edit_input_cb);
     glfwSetMouseButtonCallback(window->window, edit_mouse_cb);
@@ -442,18 +447,18 @@ void editor_init(struct mSDLWindow *window)
 
 void editor_input()
 {
-    //io = &ImGui::GetIO();
 }
 
 int editor_wantkeyboard()
 {
-/*
-    if (io == NULL) return 0;
-    return io->WantCaptureKeyboard;
-    */
     return 0;
 }
 
+const int nuk_std = NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
+            NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE;
+
+const struct nk_rect nk_rect_std = {250, 250, 250, 250};
+
 void editor_project_gui()
 {
 /* Grid, etc */
@@ -471,17 +476,55 @@ void editor_project_gui()
 	 */
     }
 
+    static char text[3][64];
+    static int text_len[3];
+    static const char *items[] = {"Item 0","item 1","item 2"};
+    static int selected_item = 0;
+    static int check = 1;
 
+    int i;
 
-/*
-    if (ImGui::BeginMainMenuBar()) {
-	ImGui::Text("Current level: %s",
-		    current_level[0] ==
-		    '\0' ? "Level not saved!" : current_level);
+    if (nk_begin(ctx, "Grid Demo", nk_rect(600, 350, 275, 250),
+        NK_WINDOW_TITLE|NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|
+        NK_WINDOW_NO_SCROLLBAR))
+    {
 
-	if (ImGui::BeginMenu("Windows")) {
-	    ImGui::MenuItem("Resources", "F2", &editor.showAssetMenu);
-	    ImGui::MenuItem("Hierarchy", "F4", &editor.showHierarchy);
+        nk_layout_row_dynamic(ctx, 30, 2);
+        nk_label(ctx, "Floating point:", NK_TEXT_RIGHT);
+        nk_edit_string(ctx, NK_EDIT_FIELD, text[0], &text_len[0], 64, nk_filter_float);
+        nk_label(ctx, "Hexadecimal:", NK_TEXT_RIGHT);
+        nk_edit_string(ctx, NK_EDIT_FIELD, text[1], &text_len[1], 64, nk_filter_hex);
+        nk_label(ctx, "Binary:", NK_TEXT_RIGHT);
+        nk_edit_string(ctx, NK_EDIT_FIELD, text[2], &text_len[2], 64, nk_filter_binary);
+        nk_label(ctx, "Checkbox:", NK_TEXT_RIGHT);
+        nk_checkbox_label(ctx, "Check me", &check);
+        nk_label(ctx, "Combobox:", NK_TEXT_RIGHT);
+        if (nk_combo_begin_label(ctx, items[selected_item], nk_vec2(nk_widget_width(ctx), 200))) {
+            nk_layout_row_dynamic(ctx, 25, 1);
+            for (i = 0; i < 3; ++i)
+                if (nk_combo_item_label(ctx, items[i], NK_TEXT_LEFT))
+                    selected_item = i;
+            nk_combo_end(ctx);
+        }
+    }
+nk_end(ctx);
+
+if (nk_begin(ctx, "Menu Demo", nk_rect(600, 350, 275, 250), nuk_std)) {
+     nk_menubar_begin(ctx);
+
+     nk_layout_row_dynamic(ctx, 30, 4);
+
+     char bbbuf[256];
+     snprintf(bbbuf, 256, "Current level: %s", current_level[0] == '\0' ? "Level not saved!" : current_level);
+     nk_label(ctx, bbbuf, NK_TEXT_LEFT);
+
+     if (nk_menu_begin_text(ctx, "Windows", 7, NK_TEXT_LEFT, nk_vec2(100, 30))) {
+         nk_layout_row_dynamic(ctx, 30, 1);
+
+          if (nk_button_label(ctx, "Resources")) editor.showAssetMenu = !editor.showAssetMenu;
+          if (nk_button_label(ctx, "Hierarchy")) editor.showHierarchy = !editor.showHierarchy;
+
+          /*
           	    ImGui::MenuItem("Lighting", "F5", &editor.showLighting);
 	    ImGui::MenuItem("Game Settings", "F6",
 			    &editor.showGameSettings);
@@ -490,68 +533,67 @@ void editor_project_gui()
 	    ImGui::MenuItem("Export", "F9", &editor.showExport);
 	    ImGui::MenuItem("Level", "F10", &editor.showLevel);
 	    ImGui::MenuItem("REPL", "`", &editor.showREPL);
-	    ImGui::EndMenu();
+
+          */
+
      }
 
-	if (ImGui::BeginMenu("Levels")) {
-	    if (ImGui::Button("New")) {
+     if (nk_menu_begin_text(ctx, "Levels", 100, 0, nk_vec2(100, 50))) {
+
+         if (nk_button_label(ctx, "New")) {
              new_level();
              current_level[0] = '\0';
          }
 
-
-	    if (ImGui::Button("Save")) {
+         if (nk_button_label(ctx, "Save")) {
              save_level(current_level);
              get_levels();
          }
 
-	    if (ImGui::Button("Save as")) {
+         if (nk_button_label(ctx, "Save as")) {
                   save_level(levelname);
 		strcpy(current_level, levelname);
 		levelname[0] = '\0';
 		get_levels();
 	}
 
-	    ImGui::SameLine();
-	    ImGui::InputText("", levelname, MAXNAME);
+	   // ImGui::InputText("", levelname, MAXNAME);
 
 	   vec_walk(levels, (void (*)(void *)) &editor_level_btn);
 
-	    ImGui::EndMenu();
      }
 
-	ImGui::EndMainMenuBar();
+    nk_menubar_end(ctx);
+}
+nk_end(ctx);
+
+
+    if (editor.showExport && nk_begin(ctx, "Export and Bake", nk_rect_std, nuk_std)) {
+
+	if (nk_button_label(ctx, "Bake")) {
+	}
+	if (nk_button_label(ctx, "Build")) {
 	}
 
-    if (editor.showExport) {
-	ImGui::Begin("Export and Bake", &editor.showExport);
-
-	if (ImGui::Button("Bake")) {
-	}
-	if (ImGui::Button("Build")) {
-	}
-
-	ImGui::End();
+	nk_end(ctx);
     }
 
 
     // Shadow map vars
-    if (editor.showLighting) {
-	ImGui::Begin("Lighting options", &editor.showLighting);
-	if (ImGui::CollapsingHeader("Directional shadow map")) {
-	    ImGui::SliderFloat("Near plane", &near_plane, -200.f, 200.f,
-			       NULL, 1.f);
-	    ImGui::SliderFloat("Far plane", &far_plane, -200.f, 200.f,
-			       NULL, 1.f);
-	    ImGui::SliderFloat("Shadow Lookahead", &shadowLookahead, 0.f,
-			       100.f, NULL, 1.f);
-	    ImGui::SliderFloat("Plane size", &plane_size, 0.f, 100.f, NULL,
-			       1.f);
+    if (editor.showLighting && nk_begin(ctx, "Lighting options", nk_rect_std, nuk_std)) {
+        nk_layout_row_dynamic(ctx, 25, 1);
+	if (nk_combo_begin_text(ctx, "Directional shadow map", 50, nk_vec2(nk_widget_width(ctx), 400))) {
+	    nk_slider_float(ctx, -200.f, &near_plane, 200.f, 1.f);
+	    nk_slider_float(ctx, -200.f, &far_plane, 200.f, 1.f);
+	    nk_slider_float(ctx, 0.f, &shadowLookahead, 100.f, 1.f);
+	    nk_slider_float(ctx, 0.f, &plane_size, 100.f, 1.f);
 	}
 
-	ImGui::End();
+	nk_end(ctx);
     }
 
+    /*
+
     if (editor.showGameSettings) {
 	ImGui::Begin("Game settings", &editor.showGameSettings);
 
@@ -775,13 +817,50 @@ void editor_render()
 {
     nk_glfw3_new_frame(&nkglfw);
 
+    struct nk_colorf bg;
+    bg.r = 0.10f, bg.g = 0.18f, bg.b = 0.24f, bg.a = 1.0f;
+
     if (cur_project)
 	editor_project_gui();
     else
 	editor_proj_select_gui();
 
+	editor_project_gui();
+
+       if (nk_begin(ctx, "Demo", nk_rect(50, 50, 230, 250),
+            NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
+            NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
+        {
+            enum {EASY, HARD};
+            static int op = EASY;
+            static int property = 20;
+            nk_layout_row_static(ctx, 30, 80, 1);
+            if (nk_button_label(ctx, "button"))
+                fprintf(stdout, "button pressed\n");
+
+            nk_layout_row_dynamic(ctx, 30, 2);
+            if (nk_option_label(ctx, "easy", op == EASY)) op = EASY;
+            if (nk_option_label(ctx, "hard", op == HARD)) op = HARD;
+
+            nk_layout_row_dynamic(ctx, 25, 1);
+            nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);
+
+            nk_layout_row_dynamic(ctx, 20, 1);
+            nk_label(ctx, "background:", NK_TEXT_LEFT);
+            nk_layout_row_dynamic(ctx, 25, 1);
+            if (nk_combo_begin_color(ctx, nk_rgb_cf(bg), nk_vec2(nk_widget_width(ctx),400))) {
+                nk_layout_row_dynamic(ctx, 120, 1);
+                bg = nk_color_picker(ctx, bg, NK_RGBA);
+                nk_layout_row_dynamic(ctx, 25, 1);
+                bg.r = nk_propertyf(ctx, "#R:", 0, bg.r, 1.0f, 0.01f,0.005f);
+                bg.g = nk_propertyf(ctx, "#G:", 0, bg.g, 1.0f, 0.01f,0.005f);
+                bg.b = nk_propertyf(ctx, "#B:", 0, bg.b, 1.0f, 0.01f,0.005f);
+                bg.a = nk_propertyf(ctx, "#A:", 0, bg.a, 1.0f, 0.01f,0.005f);
+                nk_combo_end(ctx);
+            }
+        }
+nk_end(ctx);
 
-    nk_end(nkctx);
     nk_glfw3_render(&nkglfw, NK_ANTI_ALIASING_ON, MAX_VERTEX_BUFFER, MAX_ELEMENT_BUFFER);
 }
 
@@ -812,12 +891,12 @@ int is_allowed_extension(const char *ext)
 
 void editor_level_btn(char *level)
 {
-/*
-    if (ImGui::Button(level)) {
+
+    if (nk_button_label(ctx, level)) {
 	load_level(level);
 	strcpy(current_level, level);
     }
-    */
+
 }
 
 void editor_selectasset(struct fileasset *asset)

source/engine/openglrender.c

@@ -105,9 +105,9 @@ void openglInit()
 
     debugdraw_init();
 
-    stdFont = MakeFont("notosans.ttf", 300);
+    //stdFont = MakeFont("notosans.ttf", 300);
 
-    text_settype(stdFont);
+    //text_settype(stdFont);
 
     //glEnable(GL_STENCIL_TEST);
     glClearColor(editorClearColor[0], editorClearColor[1],