Examples with GuiModList net.minecraftforge.fml.client.GuiModList used on opensource projects

Example 1 with GuiModList

use of net.minecraftforge.fml.client.GuiModList in project Galacticraft by micdoodle8.

the class GuiModListScroll method draw.

public static void draw(GuiModList gui, int mouseX, int mouseY) {
    ModContainer selectedMod = ReflectionManager.getField(GuiModList.class, ModContainer.class, gui, "selectedMod");
    if (selectedMod != lastMod) {
        lastMod = selectedMod;
        scroll = 0;
        timeStart = ClientUtils.getRenderTime();
    }
    if (!scrollMods.contains(selectedMod) || selectedMod.getMetadata().autogenerated) {
        return;
    }
    int y1 = calcDescY(gui, selectedMod);
    int y1draw = y1 + 10;
    int y2 = gui.height - 38;
    int x1 = ReflectionManager.getField(GuiModList.class, Integer.class, gui, "listWidth") + 20;
    int x2 = gui.width - 20;
    if (x2 - x1 <= 20) {
        return;
    }
    glEnable(GL_STENCIL_TEST);
    glStencilFunc(GL_ALWAYS, 1, 1);
    GlStateManager.colorMask(false, false, false, false);
    glStencilOp(GL_ZERO, GL_ZERO, GL_ZERO);
    // clear stencil buffer
    GuiDraw.drawRect(0, 0, gui.width, gui.height, -1);
    screenshotStencil(1);
    glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
    // add description area (even below button)
    GuiDraw.drawRect(x1, y1, gui.width - x1, gui.height - y1, -1);
    glStencilOp(GL_ZERO, GL_ZERO, GL_ZERO);
    // subtract done button
    GuiDraw.drawRect(gui.width / 2 - 75, y2, 200, 20, -1);
    screenshotStencil(2);
    GlStateManager.colorMask(true, true, true, true);
    glStencilFunc(GL_EQUAL, 1, 1);
    glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
    // fill stencil with background
    gui.drawDefaultBackground();
    GlStateManager.colorMask(false, false, false, false);
    glStencilOp(GL_ZERO, GL_ZERO, GL_ZERO);
    GuiDraw.drawRect(0, 0, gui.width, gui.height, -1);
    glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
    GuiDraw.drawRect(x1, y1draw, x2 - x1, y2 - y1draw, -1);
    screenshotStencil(3);
    GlStateManager.colorMask(true, true, true, true);
    glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
    String description = selectedMod.getMetadata().description;
    int height = GuiDraw.fontRenderer.listFormattedStringToWidth(description, x2 - x1).size() * GuiDraw.fontRenderer.FONT_HEIGHT;
    boolean needsScroll = height > y2 - y1draw;
    if ((ClientUtils.getRenderTime() - timeStart) > 40 && needsScroll) {
        double dt = ClientUtils.getRenderTime() - lastFrameTime;
        if (new Rectangle4i(x1, y1draw, x2 - x1, y2 - y1draw).contains(mouseX, mouseY)) {
            double d = Keyboard.isKeyDown(Keyboard.KEY_UP) ? -1 : Keyboard.isKeyDown(Keyboard.KEY_DOWN) ? 1 : 0;
            scroll += d * dt * 1.5;
        } else {
            scroll += dt * 0.2;
        }
    }
    lastFrameTime = ClientUtils.getRenderTime();
    // draw description
    double dy = scroll % (height + 20);
    GlStateManager.pushMatrix();
    GlStateManager.translate(0, -dy, 0);
    GuiDraw.fontRenderer.drawSplitString(description, x1, y1draw, x2 - x1, 0xDDDDDD);
    if (needsScroll) {
        GlStateManager.translate(0, height + 20, 0);
        GuiDraw.fontRenderer.drawSplitString(description, x1, y1draw, x2 - x1, 0xDDDDDD);
    }
    GlStateManager.popMatrix();
    glDisable(GL_STENCIL_TEST);
}