gistfile1.txt

VIEW
1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
0.0 0.0 0.0 1.0

PROJECTION
2.4142134 0.0 0.0 0.0
0.0 2.4142134 0.0 0.0
0.0 0.0 -1.0 -0.0
0.0 0.0 -1.0 0.0

PROJECTION TRANSPOSE
2.4142134 0.0 0.0 0.0
0.0 2.4142134 0.0 0.0
0.0 0.0 -1.0 -1.0
0.0 0.0 -0.0 0.0


MODEL
5.0 0.0 0.0 0.0
0.0 5.0 0.0 0.0
0.0 0.0 5.0 0.0
0.0 0.0 0.0 1.0


RENDER FUNCTION
Matrix4f viewMatrix = world.getCamera().getViewMatrix();
Matrix4f projectionMatrix = world.getCamera().getProjectionMatrix();

Mesh mesh = ((MeshComponent) entity.getComponentByClass(MeshComponent.class)).getMesh();
Shader shader = ((ShaderComponent) entity.getComponentByClass(ShaderComponent.class)).getShader();

if (mesh == null || shader == null) return;

Matrix4f modelMatrix = ((ModelMatrixComponent) entity.getComponentByClass(ModelMatrixComponent.class)).getModelMatrix();

GL11.glEnable(GL11.GL_DEPTH_TEST);
GL11.glEnable(GL11.GL_TEXTURE_2D);
shader.bind();
mesh.bind();

OpenGLUtil.checkError();

FloatBuffer matrixBuffer = BufferUtils.createFloatBuffer(16);

modelMatrix.store(matrixBuffer);
matrixBuffer.flip();
shader.setUniform("modelMatrix", modelMatrix);
OpenGLUtil.checkError();

viewMatrix.store(matrixBuffer);
matrixBuffer.flip();
shader.setUniform("viewMatrix", viewMatrix);
OpenGLUtil.checkError();

projectionMatrix.store(matrixBuffer);
matrixBuffer.flip();
shader.setUniform("projectionMatrix", projectionMatrix, true);
OpenGLUtil.checkError();

int positionAttribute = GL20.glGetAttribLocation(shader.getProgramId(), "position");
OpenGLUtil.checkError();

GL20.glEnableVertexAttribArray(positionAttribute);
GL20.glVertexAttribPointer(positionAttribute, 4, GL11.GL_FLOAT, false, 0, 0);
OpenGLUtil.checkError();

GL11.glDrawElements(GL11.GL_TRIANGLES, mesh.getIndexCount(), GL11.GL_UNSIGNED_INT, 0);
OpenGLUtil.checkError();

mesh.unbind();
shader.unbind();
OpenGLUtil.checkError();

GL20.glDisableVertexAttribArray(positionAttribute);
OpenGLUtil.checkError();

GL11.glDisable(GL11.GL_DEPTH_TEST);
GL11.glDisable(GL11.GL_TEXTURE_2D);
OpenGLUtil.checkError();