public static void useProgram(int program) {
if (activeProgram == program) {
return;
} else if (isShadowPass) {
activeProgram = ProgramNone;
glUseProgramObjectARB(programs[ProgramNone]);
return;
}
activeProgram = program;
glUseProgramObjectARB(programs[program]);
if (programs[program] == 0) {
activeProgram = ProgramNone;
return;
} else if (program == ProgramTextured) {
setProgramUniform1i("texture", 0);
} else if (program == ProgramTexturedLit
|| program == ProgramHand
|| program == ProgramWeather) {
setProgramUniform1i("texture", 0);
setProgramUniform1i("lightmap", 1);
} else if (program == ProgramTerrain || program == ProgramWater) {
setProgramUniform1i("texture", 0);
setProgramUniform1i("lightmap", 1);
setProgramUniform1i("normals", 2);
setProgramUniform1i("specular", 3);
} else if (program == ProgramComposite || program == ProgramFinal) {
setProgramUniform1i("gcolor", 0);
setProgramUniform1i("gdepth", 1);
setProgramUniform1i("gnormal", 2);
setProgramUniform1i("composite", 3);
setProgramUniform1i("gaux1", 4);
setProgramUniform1i("gaux2", 5);
setProgramUniform1i("gaux3", 6);
setProgramUniform1i("shadow", 7);
setProgramUniformMatrix4ARB("gbufferPreviousProjection", false, previousProjection);
setProgramUniformMatrix4ARB("gbufferProjection", false, projection);
setProgramUniformMatrix4ARB("gbufferProjectionInverse", false, projectionInverse);
setProgramUniformMatrix4ARB("gbufferPreviousModelView", false, previousModelView);
if (shadowPassInterval > 0) {
setProgramUniformMatrix4ARB("shadowProjection", false, shadowProjection);
setProgramUniformMatrix4ARB("shadowProjectionInverse", false, shadowProjectionInverse);
setProgramUniformMatrix4ARB("shadowModelView", false, shadowModelView);
setProgramUniformMatrix4ARB("shadowModelViewInverse", false, shadowModelViewInverse);
}
}
ItemStack stack = mc.thePlayer.inventory.getCurrentItem();
setProgramUniform1i("heldItemId", (stack == null ? -1 : stack.itemID));
setProgramUniform1i(
"heldBlockLightValue",
(stack == null || stack.itemID >= 256 ? 0 : Block.lightValue[stack.itemID]));
setProgramUniform1i("fogMode", (fogEnabled ? glGetInteger(GL_FOG_MODE) : 0));
setProgramUniform1i("worldTime", (int) (mc.theWorld.getWorldTime() % 24000L));
setProgramUniform1f("aspectRatio", (float) renderWidth / (float) renderHeight);
setProgramUniform1f("viewWidth", (float) renderWidth);
setProgramUniform1f("viewHeight", (float) renderHeight);
setProgramUniform1f("near", 0.05F);
setProgramUniform1f("far", 256 >> mc.gameSettings.renderDistance);
setProgramUniform3f("sunPosition", sunPosition[0], sunPosition[1], sunPosition[2]);
setProgramUniform3f("moonPosition", moonPosition[0], moonPosition[1], moonPosition[2]);
setProgramUniform3f(
"previousCameraPosition",
(float) previousCameraPosition[0],
(float) previousCameraPosition[1],
(float) previousCameraPosition[2]);
setProgramUniform3f(
"cameraPosition",
(float) cameraPosition[0],
(float) cameraPosition[1],
(float) cameraPosition[2]);
setProgramUniformMatrix4ARB("gbufferModelView", false, modelView);
setProgramUniformMatrix4ARB("gbufferModelViewInverse", false, modelViewInverse);
}
