public static void beginWeather() {
glEnable(GL_BLEND);
useProgram(Shaders.ProgramWeather);
if (isShadowPass) {
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); // will be set to sbf in endHand()
}
}
public static void glEnableWrapper(int cap) {
glEnable(cap);
if (cap == GL_TEXTURE_2D) {
if (activeProgram == ProgramBasic) {
useProgram(lightmapEnabled ? ProgramTexturedLit : ProgramTextured);
}
} else if (cap == GL_FOG) {
fogEnabled = true;
setProgramUniform1i("fogMode", glGetInteger(GL_FOG_MODE));
}
}
/**
* Method called by the World Class to render the Tile.
*
* @param x : location to where the Tile is going to be rendered.
* @param y : location to where the Tile is going to be rendered.
* @param w : instance of the World Class
* @param ent : List of entities that emit light.
*/
public void render(int x, int y, World w, ArrayList<Entity> ent) {
// Binding the Uniforms to make the light effects.
bindUniforms(w, ent);
// Setting up OpenGL for render
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ZERO);
// Updating the Tile coordinates.
this.x = x;
this.y = y;
glTranslatef(x, y, 0);
// Activating and Binding the Tile Texture.
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, this.tex);
// Sending the texture to the shader.
glUniform1i(glGetUniformLocation(shade.getShader(), "texture"), 0);
// Drawing the QUAD.
glBegin(GL_QUADS);
{
glTexCoord2f(0, 0);
glVertex2f(0, 0);
glTexCoord2f(0, 1);
glVertex2f(0, this.height);
glTexCoord2f(1, 1);
glVertex2f(this.width, this.height);
glTexCoord2f(1, 0);
glVertex2f(this.width, 0);
}
glEnd();
// Releasing the Texture.
glBindTexture(GL_TEXTURE_2D, 0);
// Getting the location back to the inicial coordinates.
glTranslatef(-x, -y, 0);
// Disabling BLEND and releasing shader for next render.
glDisable(GL_BLEND);
shade.release();
glClear(GL_STENCIL_BUFFER_BIT);
}
public void render() {
glPushMatrix();
glEnable(GL_BLEND);
shader.bind();
glBindVertexArray(vao);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
{
glTranslatef(x, y, 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, texture);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vio);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindTexture(GL_TEXTURE_2D, 0);
}
glDisableVertexAttribArray(1);
glDisableVertexAttribArray(0);
glBindVertexArray(0);
shader.release();
glDisable(GL_BLEND);
glPopMatrix();
}
public static void beginHand() {
glEnable(GL_BLEND);
useProgram(Shaders.ProgramHand);
}
public static void endRender() {
if (isShadowPass) {
return;
}
glPushMatrix();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glDisable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
// composite
glDisable(GL_BLEND);
useProgram(ProgramComposite);
glDrawBuffers(dfbDrawBuffers);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(0));
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(1));
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(2));
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(3));
if (colorAttachments >= 5) {
glActiveTexture(GL_TEXTURE4);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(4));
if (colorAttachments >= 6) {
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(5));
if (colorAttachments >= 7) {
glActiveTexture(GL_TEXTURE6);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(6));
}
}
}
if (shadowPassInterval > 0) {
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, sfbDepthTexture);
}
glActiveTexture(GL_TEXTURE0);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(1.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glEnd();
// final
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
useProgram(ProgramFinal);
glClearColor(clearColor[0], clearColor[1], clearColor[2], 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(0));
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(1));
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(2));
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(3));
if (colorAttachments >= 5) {
glActiveTexture(GL_TEXTURE4);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(4));
if (colorAttachments >= 6) {
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(5));
if (colorAttachments >= 7) {
glActiveTexture(GL_TEXTURE6);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(6));
}
}
}
if (shadowPassInterval > 0) {
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, sfbDepthTexture);
}
glActiveTexture(GL_TEXTURE0);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(1.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glEnd();
glEnable(GL_BLEND);
glPopMatrix();
useProgram(ProgramNone);
}