Java tutorial
/* * * LIMITED USE SOFTWARE LICENSE AGREEMENT * This Limited Use Software License Agreement (the "Agreement") is a legal agreement between you, the end-user, and the FlatstoneTech Team ("FlatstoneTech"). By downloading or purchasing the software material, which includes source code (the "Source Code"), artwork data, music and software tools (collectively, the "Software"), you are agreeing to be bound by the terms of this Agreement. If you do not agree to the terms of this Agreement, promptly destroy the Software you may have downloaded or copied. * FlatstoneTech SOFTWARE LICENSE * 1. Grant of License. FlatstoneTech grants to you the right to use the Software. You have no ownership or proprietary rights in or to the Software, or the Trademark. For purposes of this section, "use" means loading the Software into RAM, as well as installation on a hard disk or other storage device. The Software, together with any archive copy thereof, shall be destroyed when no longer used in accordance with this Agreement, or when the right to use the Software is terminated. You agree that the Software will not be shipped, transferred or exported into any country in violation of the U.S. Export Administration Act (or any other law governing such matters) and that you will not utilize, in any other manner, the Software in violation of any applicable law. * 2. Permitted Uses. For educational purposes only, you, the end-user, may use portions of the Source Code, such as particular routines, to develop your own software, but may not duplicate the Source Code, except as noted in paragraph 4. The limited right referenced in the preceding sentence is hereinafter referred to as "Educational Use." By so exercising the Educational Use right you shall not obtain any ownership, copyright, proprietary or other interest in or to the Source Code, or any portion of the Source Code. You may dispose of your own software in your sole discretion. With the exception of the Educational Use right, you may not otherwise use the Software, or an portion of the Software, which includes the Source Code, for commercial gain. * 3. Prohibited Uses: Under no circumstances shall you, the end-user, be permitted, allowed or authorized to commercially exploit the Software. Neither you nor anyone at your direction shall do any of the following acts with regard to the Software, or any portion thereof: * Rent; * Sell; * Lease; * Offer on a pay-per-play basis; * Distribute for money or any other consideration; or * In any other manner and through any medium whatsoever commercially exploit or use for any commercial purpose. * Notwithstanding the foregoing prohibitions, you may commercially exploit the software you develop by exercising the Educational Use right, referenced in paragraph 2. hereinabove. * 4. Copyright. 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You agree that you have no remedy against FlatstoneTech, its affiliates, contractors, suppliers, and agents for loss or damage caused by any defect or failure in the Software regardless of the form of action, whether in contract, tort, includinegligence, strict liability or otherwise, with regard to the Software. Copyright and other proprietary matters will be governed by United States laws and international treaties. IN ANY CASE, FlatstoneTech SHALL NOT BE LIABLE FOR LOSS OF DATA, LOSS OF PROFITS, LOST SAVINGS, SPECIAL, INCIDENTAL, CONSEQUENTIAL, INDIRECT OR OTHER SIMILAR DAMAGES ARISING FROM BREACH OF WARRANTY, BREACH OF CONTRACT, NEGLIGENCE, OR OTHER LEGAL THEORY EVEN IF FLATSTONETECH OR ITS AGENT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. */ package tech.flatstone.appliedlogistics.common.util; import org.lwjgl.opengl.GL11; public class OpenGLHelper { public static int[][] saveGLState(int[] bitsToSave) { if (bitsToSave == null) { return null; } int[][] savedGLState = new int[bitsToSave.length][2]; int count = 0; for (int glBit : bitsToSave) { savedGLState[count][0] = glBit; savedGLState[count++][1] = GL11.glIsEnabled(glBit) ? 1 : 0; } return savedGLState; } public static int[][] modifyGLState(int[] bitsToDisable, int[] bitsToEnable) { return modifyGLState(bitsToDisable, bitsToEnable, null); } public static int[][] modifyGLState(int[] bitsToDisable, int[] bitsToEnable, int[] bitsToSave) { if (bitsToDisable == null && bitsToEnable == null && bitsToSave == null) { return null; } int[][] savedGLState = new int[(bitsToDisable != null ? bitsToDisable.length : 0) + (bitsToEnable != null ? bitsToEnable.length : 0) + (bitsToSave != null ? bitsToSave.length : 0)][2]; int count = 0; if (bitsToDisable != null) { for (int glBit : bitsToDisable) { savedGLState[count][0] = glBit; savedGLState[count++][1] = GL11.glIsEnabled(glBit) ? 1 : 0; GL11.glDisable(glBit); } } if (bitsToEnable != null) { for (int glBit : bitsToEnable) { savedGLState[count][0] = glBit; savedGLState[count++][1] = GL11.glIsEnabled(glBit) ? 1 : 0; GL11.glEnable(glBit); } } if (bitsToSave != null) { for (int glBit : bitsToSave) { savedGLState[count][0] = glBit; savedGLState[count++][1] = GL11.glIsEnabled(glBit) ? 1 : 0; } } return savedGLState; } public static void restoreGLState(int[][] savedGLState) { if (savedGLState == null) { return; } for (int[] glBit : savedGLState) { if (glBit[1] == 1) GL11.glEnable(glBit[0]); else GL11.glDisable(glBit[0]); } } }