Shader overwriting

assets/Shaders/skysphere/skysphere.fs

@@ -0,0 +1,76 @@
+
+
+#version 330 core
+out vec4 FragColor;
+
+struct Material {
+    sampler2D diffuse;
+    sampler2D specular;
+    float shininess;
+}; 
+
+struct DirLight {
+    vec3 direction;
+	
+    vec3 ambient;
+    vec3 diffuse;
+    vec3 specular;
+};
+
+struct PointLight {
+    vec3 position;
+    
+    float constant;
+    float linear;
+    float quadratic;
+    
+    vec3 ambient;
+    vec3 diffuse;
+    vec3 specular;
+};
+
+struct SpotLight {
+    vec3 position;
+    vec3 direction;
+    float cutOff;
+    float outerCutOff;
+  
+    float constant;
+    float linear;
+    float quadratic;
+  
+    vec3 ambient;
+    vec3 diffuse;
+    vec3 specular;       
+};
+
+#define NR_POINT_LIGHTS 10
+
+in vec3 FragPos;
+in vec3 Normal;
+in vec2 TexCoord;
+in vec4 FragPosLightSpace;
+
+uniform vec3 viewPos;
+uniform DirLight dirLight;
+uniform PointLight pointLights[NR_POINT_LIGHTS];
+uniform SpotLight spotLight;
+uniform Material material;
+
+//texture stuff
+// uniform sampler2D ourTexture;
+uniform int hasTransparency;
+// uniform sampler2D specularTexture;
+
+//light depth map
+uniform sampler2D shadowMap;
+
+
+void main(){
+    if(hasTransparency == 1){
+        if(texture(material.diffuse, TexCoord).a < 0.1){
+            discard;
+        }
+    }
+    FragColor = texture(material.diffuse, TexCoord);
+}

assets/Shaders/skysphere/skysphere.vs

@@ -0,0 +1,48 @@
+//Vertex Shader
+#version 330 core
+
+
+
+//input buffers
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aNormal;
+layout (location = 4) in vec2 aTex;
+
+
+//coordinate space transformation matrices
+uniform mat4 transform;
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+uniform mat4 lightSpaceMatrix;
+
+
+
+//output buffers
+out vec3 Normal;
+out vec3 FragPos;
+out vec2 TexCoord;
+out vec4 FragPosLightSpace;
+
+
+
+
+void main() {
+    //normalize posiiton and normal
+    vec4 FinalVertex = vec4(aPos, 1.0);
+    vec4 FinalNormal = vec4(aNormal, 1.0);
+
+
+    //push frag, normal, and texture positions to fragment shader
+    FragPos = vec3(model * FinalVertex);
+    Normal = mat3(transpose(inverse(model))) * aNormal;
+    TexCoord = aTex;
+
+
+    //shadow map stuff
+    FragPosLightSpace = lightSpaceMatrix * vec4(FragPos, 1.0);
+
+    
+    //set final position with opengl space
+    gl_Position = projection * view * model * FinalVertex;
+}

src/main/java/electrosphere/engine/LoadingThread.java

@@ -527,12 +527,14 @@ public class LoadingThread extends Thread {
         Entity skybox = EntityUtils.spawnDrawableEntity("Models/skyboxSphere.fbx");
         EntityUtils.getRotation(skybox).rotateX((float)(-Math.PI/2.0f));
         EntityUtils.getScale(skybox).mul(2000.0f);
+        Globals.assetManager.queueOverrideMeshShader("Models/skyboxSphere.fbx", "Sphere", "Shaders/skysphere/skysphere.vs", "Shaders/skysphere/skysphere.fs");
 
         //cloud ring pseudo skybox
         Entity cloudRing = EntityUtils.spawnDrawableEntity("Models/cloudRing.fbx");
         EntityUtils.getRotation(cloudRing).rotateX((float)(-Math.PI/2.0f));
         EntityUtils.getScale(cloudRing).mul(1000.0f);
         Globals.entityManager.registerBehaviorTree(new ApplyRotationTree(cloudRing,new Quaternionf().rotationZ(0.0001f)));
+        Globals.assetManager.queueOverrideMeshShader("Models/cloudRing.fbx", "Sphere", "Shaders/skysphere/skysphere.vs", "Shaders/skysphere/skysphere.fs");
 
     }
     

src/main/java/electrosphere/engine/assetmanager/AssetManager.java

@@ -1,12 +1,15 @@
 package electrosphere.engine.assetmanager;
 
 import electrosphere.audio.AudioBuffer;
+import electrosphere.renderer.Mesh;
 import electrosphere.renderer.Model;
+import electrosphere.renderer.ShaderProgram;
 import electrosphere.renderer.texture.Texture;
 import electrosphere.util.ModelLoader;
-import java.util.HashMap;
+
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArrayList;
@@ -17,14 +20,15 @@ import java.util.concurrent.CopyOnWriteArrayList;
  */
 public class AssetManager {
     
-    ConcurrentHashMap<String,Model> modelsLoadedIntoMemory = new ConcurrentHashMap();
-    CopyOnWriteArrayList<String> modelsInQueue = new CopyOnWriteArrayList();
+    Map<String,Model> modelsLoadedIntoMemory = new ConcurrentHashMap<String,Model>();
+    List<String> modelsInQueue = new CopyOnWriteArrayList<String>();
+    List<MeshShaderOverride> shaderOverrides = new CopyOnWriteArrayList<MeshShaderOverride>();
     
-    ConcurrentHashMap<String,Texture> texturesLoadedIntoMemory = new ConcurrentHashMap();
-    CopyOnWriteArrayList<String> texturesInQueue = new CopyOnWriteArrayList();
+    Map<String,Texture> texturesLoadedIntoMemory = new ConcurrentHashMap<String,Texture>();
+    List<String> texturesInQueue = new CopyOnWriteArrayList<String>();
     
-    ConcurrentHashMap<String,AudioBuffer> audioLoadedIntoMemory = new ConcurrentHashMap();
-    CopyOnWriteArrayList<String> audioInQueue = new CopyOnWriteArrayList();
+    Map<String,AudioBuffer> audioLoadedIntoMemory = new ConcurrentHashMap<String,AudioBuffer>();
+    List<String> audioInQueue = new CopyOnWriteArrayList<String>();
     
     
     
@@ -48,6 +52,7 @@ public class AssetManager {
             audioInQueue.remove(currentPath);
             audioLoadedIntoMemory.put(currentPath, new AudioBuffer(currentPath));
         }
+        performMeshOverrides();
     }
     
     
@@ -93,6 +98,30 @@ public class AssetManager {
         modelsLoadedIntoMemory.put(s,m);
     }
     
+    public void queueOverrideMeshShader(String modelName, String meshName, String vertPath, String fragPath){
+        MeshShaderOverride override = new MeshShaderOverride(modelName,meshName,vertPath,fragPath);
+        shaderOverrides.add(override);
+    }
+
+    public void performMeshOverrides(){
+        List<MeshShaderOverride> toRemove = new LinkedList<MeshShaderOverride>();
+        for(MeshShaderOverride shaderOverride : shaderOverrides){
+            Model model = null;
+            if((model = fetchModel(shaderOverride.modelName)) != null){
+                for(Mesh mesh : model.meshes){
+                    if(mesh.nodeID.equals(shaderOverride.getMeshName())){
+                        mesh.shader = ShaderProgram.loadSpecificShader(shaderOverride.vertPath, shaderOverride.fragPath);
+                    }
+                }
+                toRemove.add(shaderOverride);
+            }
+        }
+        for(MeshShaderOverride shaderOverride : toRemove){
+            shaderOverrides.remove(shaderOverride);
+        }
+    }
+
+    
     
     
     

src/main/java/electrosphere/engine/assetmanager/MeshShaderOverride.java

@@ -0,0 +1,33 @@
+package electrosphere.engine.assetmanager;
+
+public class MeshShaderOverride {
+
+    String modelName;
+    String meshName;
+    String vertPath;
+    String fragPath;
+
+    public MeshShaderOverride(String modelName, String meshName, String vertPath, String fragPath){
+        this.modelName = modelName;
+        this.meshName = meshName;
+        this.vertPath = vertPath;
+        this.fragPath = fragPath;
+    }
+
+    public String getModelName(){
+        return modelName;
+    }
+
+    public String getMeshName(){
+        return meshName;
+    }
+
+    public String getVertPath(){
+        return vertPath;
+    }
+
+    public String getFragPath(){
+        return fragPath;
+    }
+
+}

src/main/java/electrosphere/renderer/ShaderProgram.java

@@ -167,6 +167,8 @@ public class ShaderProgram {
         
         return rVal;
     }
+
+
     public static ShaderProgram load_default_shader_program(){