@Override
public void setShaders(String vertexShader, String fragmentShader) {
StringBuffer fc = new StringBuffer();
StringBuffer vc = new StringBuffer();
fc.append("float normPower = 0.0;\n");
for (int i = 0; i < mLights.size(); ++i) {
ALight light = mLights.get(i);
if (light.getLightType() == ALight.POINT_LIGHT) {
fc.append("L = normalize(uLightPosition").append(i).append(" + vEyeVec);\n");
vc.append("dist = distance(-vEyeVec, uLightPosition").append(i).append(");\n");
vc.append("vAttenuation")
.append(i)
.append(" = 1.0 / (uLightAttenuation")
.append(i)
.append("[1] + uLightAttenuation")
.append(i)
.append("[2] * dist + uLightAttenuation")
.append(i)
.append("[3] * dist * dist);\n");
} else if (light.getLightType() == ALight.DIRECTIONAL_LIGHT) {
fc.append("L = normalize(-uLightDirection").append(i).append(");\n");
vc.append("vAttenuation").append(i).append(" = 1.0;\n");
}
fc.append("NdotL = max(dot(bumpnormal, L), 0.1);\n");
fc.append("normPower = NdotL * vAttenuation")
.append(i)
.append(" * uLightPower")
.append(i)
.append(";\n");
fc.append("intensity += normPower;\n");
fc.append("Kd.rgb += uLightColor").append(i).append(" * normPower;\n");
fc.append("Ks += pow(NdotL, uShininess) * vAttenuation")
.append(i)
.append(" * uLightPower")
.append(i)
.append(";\n");
}
super.setShaders(
vertexShader.replace("%LIGHT_CODE%", vc.toString()),
fragmentShader.replace("%LIGHT_CODE%", fc.toString()));
}
public void setShaders(String vertexShader, String fragmentShader) {
StringBuffer sb = new StringBuffer();
StringBuffer vc = new StringBuffer();
for (int i = 0; i < mLights.size(); ++i) {
ALight light = mLights.get(i);
if (light.getLightType() == ALight.POINT_LIGHT) {
sb.append("L = normalize(uLightPosition").append(i).append(" - V.xyz);\n");
vc.append("dist = distance(V.xyz, uLightPosition").append(i).append(");\n");
vc.append("vAttenuation")
.append(i)
.append(" = 1.0 / (uLightAttenuation")
.append(i)
.append("[1] + uLightAttenuation")
.append(i)
.append("[2] * dist + uLightAttenuation")
.append(i)
.append("[3] * dist * dist);\n");
} else if (light.getLightType() == ALight.DIRECTIONAL_LIGHT) {
vc.append("vAttenuation").append(i).append(" = 1.0;\n");
sb.append("L = -normalize(uLightDirection").append(i).append(");\n");
}
sb.append("intensity += uLightPower")
.append(i)
.append(" * max(dot(N, L), 0.1) * vAttenuation")
.append(i)
.append(";\n");
sb.append("Kd += uLightColor")
.append(i)
.append(" * uLightPower")
.append(i)
.append(" * max(dot(N, L), 0.1) * vAttenuation")
.append(i)
.append(";\n");
}
super.setShaders(
vertexShader.replace("%LIGHT_CODE%", vc.toString()),
fragmentShader.replace("%LIGHT_CODE%", sb.toString()));
}
@Override
protected void parse(InputStream is) throws ParsingException {
BufferedReader buffer = new BufferedReader(new InputStreamReader(is));
String line;
try {
while ((line = buffer.readLine()) != null) {
String repl = line.replaceAll(REGEX_CLEAN, REPLACE_EMPTY);
if (repl.length() == 0 || repl.charAt(0) == COMMENT) continue;
readLine(buffer, line);
}
buffer.close();
} catch (Exception e) {
throw new ParsingException(e);
}
// -- get lights
Stack<Model> lights = mFbx.objects.getModelsByType(FBXValues.MODELTYPE_LIGHT);
int numLights = lights.size();
RajawaliRenderer.setMaxLights(numLights == 0 ? 1 : numLights);
Stack<ALight> sceneLights = new Stack<ALight>();
for (int i = 0; i < numLights; ++i) {
Model l = lights.get(i);
// -- really need to add more light types
sceneLights.add(buildLight(l));
}
if (numLights == 0) {
ALight light = new DirectionalLight();
light.setPosition(2, 0, -5);
light.setPower(1);
sceneLights.add(light);
}
// -- check fog
// TODO: add fog support
/*
* if(mFbx.version5.fogOptions.fogEnable != null && mFbx.version5.fogOptions.fogEnable == 1) { FogOptions
* fogOptions = mFbx.version5.fogOptions; mRenderer.setFogEnabled(true); Camera cam = mRenderer.getCamera();
* cam.setFogEnabled(true); cam.setFogNear(fogOptions.fogStart); cam.setFogColor(fogOptions.fogColor.color);
* mRenderer.setBackgroundColor(fogOptions.fogColor.color); }
*/
// -- get meshes
Stack<Model> models = mFbx.objects.getModelsByType(FBXValues.MODELTYPE_MESH);
try {
for (int i = 0; i < models.size(); ++i) {
buildMesh(models.get(i), sceneLights);
}
} catch (TextureException tme) {
throw new ParsingException(tme);
}
// -- get cameras
Stack<Model> cameras = mFbx.objects.getModelsByType(FBXValues.MODELTYPE_CAMERA);
Model camera = null;
for (int i = 0; i < cameras.size(); ++i) {
if (cameras.get(i).hidden == null || !cameras.get(i).hidden.equals("True")) {
camera = cameras.get(i);
break;
}
}
if (camera != null) { // TODO: FIX
Camera cam = mRenderer.getCurrentCamera();
cam.setPosition(camera.position);
cam.setX(mRenderer.getCurrentCamera().getX() * -1);
cam.setRotation(camera.properties.lclRotation);
Vector3 lookAt = camera.lookAt;
// lookAt.x = -lookAt.x;
cam.setLookAt(lookAt);
cam.setNearPlane(camera.properties.nearPlane);
cam.setFarPlane(camera.properties.farPlane);
cam.setFieldOfView(camera.properties.fieldOfView);
}
}
public void setShaders(String vertexShader, String fragmentShader) {
StringBuffer fc = new StringBuffer();
StringBuffer vc = new StringBuffer();
for (int i = 0; i < mLights.size(); ++i) {
ALight light = mLights.get(i);
if (light.getLightType() == ALight.POINT_LIGHT) {
vc.append("dist = distance(V.xyz, uLightPosition").append(i).append(");\n");
vc.append("vAttenuation")
.append(i)
.append(" = 1.0 / (uLightAttenuation")
.append(i)
.append("[1] + uLightAttenuation")
.append(i)
.append("[2] * dist + uLightAttenuation")
.append(i)
.append("[3] * dist * dist);\n");
fc.append("L = normalize(uLightPosition").append(i).append(" - V.xyz);\n");
} else if (light.getLightType() == ALight.SPOT_LIGHT) {
vc.append("dist = distance(V.xyz, uLightPosition").append(i).append(");\n");
vc.append("vAttenuation")
.append(i)
.append(" = (uLightAttenuation")
.append(i)
.append("[1] + uLightAttenuation")
.append(i)
.append("[2] * dist + uLightAttenuation")
.append(i)
.append("[3] * dist * dist);\n");
fc.append("L = normalize(uLightPosition").append(i).append(" - V.xyz);\n");
fc.append("vec3 spotDir")
.append(i)
.append(" = normalize(-uLightDirection")
.append(i)
.append(");\n");
fc.append("float spot_factor = dot( L, spotDir").append(i).append(" );\n");
fc.append("if( uSpotCutoffAngle").append(i).append(" < 180.0 ) {\n");
fc.append("if( spot_factor >= cos( radians( uSpotCutoffAngle")
.append(i)
.append(") ) ) {\n");
fc.append(
"spot_factor = (1.0 - (1.0 - spot_factor) * 1.0/(1.0 - cos( radians( uSpotCutoffAngle")
.append(i)
.append("))));\n");
fc.append("spot_factor = pow(spot_factor, uSpotFalloff")
.append(i)
.append("* 1.0/spot_factor);\n");
fc.append("}\n");
fc.append("else {\n");
fc.append("spot_factor = 0.0;\n");
fc.append("}\n");
fc.append("L = vec3(L.y, L.x, L.z);\n");
fc.append("}\n");
} else if (light.getLightType() == ALight.DIRECTIONAL_LIGHT) {
vc.append("vAttenuation").append(i).append(" = 1.0;\n");
fc.append("L = normalize(-uLightDirection").append(i).append(");\n");
}
fc.append("NdotL = max(dot(N, L), 0.1);\n");
fc.append("power = uLightPower")
.append(i)
.append(" * NdotL * vAttenuation")
.append(i)
.append(";\n");
fc.append("intensity += power;\n");
if (light.getLightType() == ALight.SPOT_LIGHT)
fc.append("Kd.rgb += uLightColor").append(i).append(" * spot_factor;\n");
else fc.append("Kd.rgb += uLightColor").append(i).append(" * power;\n");
}
super.setShaders(
vertexShader.replace("%LIGHT_CODE%", vc.toString()),
fragmentShader.replace("%LIGHT_CODE%", fc.toString()));
}
