public void createShader(Shader shader) {
this.shader = shader;
glActiveTexture(GL_TEXTURE1);
shader.bind();
int uniform = glGetUniformLocation(shader.getID(), "texture");
glUniform1i(uniform, 1);
glActiveTexture(GL_TEXTURE2);
uniform = glGetUniformLocation(shader.getID(), "extraTexture");
glUniform1i(uniform, 2);
shader.release();
}
public void bindUniforms(List<Light> lights) {
if (lights.size() > 10) {
System.err.println("Too many lights.");
return;
}
float[] positions = new float[10 * 2];
float[] colors = new float[10 * 3];
float[] intensities = new float[10];
for (int i = 0; i < lights.size() * 2; i += 2) {
positions[i] = lights.get(i >> 1).getX() - lights.get(i >> 1).getXOffset();
positions[i + 1] =
GameSettings.height - lights.get(i >> 1).getY() + lights.get(i >> 1).getYOffset();
}
for (int i = 0; i < lights.size(); i++) {
intensities[i] = lights.get(i).intensity;
}
for (int i = 0; i < lights.size() * 3; i += 3) {
colors[i] = lights.get(i / 3).vc.x;
colors[i + 1] = lights.get(i / 3).vc.y;
colors[i + 2] = lights.get(i / 3).vc.z;
}
shader.bind();
int uniform = glGetUniformLocation(shader.getID(), "lightPosition");
glUniform2(uniform, Buffer.createFloatBuffer(positions));
uniform = glGetUniformLocation(shader.getID(), "lightColor");
glUniform3(uniform, Buffer.createFloatBuffer(colors));
uniform = glGetUniformLocation(shader.getID(), "lightIntensity");
glUniform1(uniform, Buffer.createFloatBuffer(intensities));
shader.release();
}
public void bindUniforms(Light light) {
shader.bind();
light.bindUniforms(shader.getID(), 999);
shader.setUniform1f("extraLevel", this.extraLevel);
shader.release();
}