RenderHelper.java 文件源码

public static void drawTexturedModalRect(int x, int y, int textureX, int textureY, int width, int height, int totw, int toth) {
    float f = 1.0f/totw;
    float f1 = 1.0f/toth;
    double zLevel = 50;
    Tessellator tessellator = Tessellator.getInstance();
    VertexBuffer vertexbuffer = tessellator.getBuffer();
    vertexbuffer.begin(7, DefaultVertexFormats.POSITION_TEX);
    vertexbuffer.pos((x + 0), (y + height), zLevel).tex(((textureX + 0) *  f), ((textureY + height) * f1)).endVertex();
    vertexbuffer.pos((x + width), (y + height), zLevel).tex(((textureX + width) * f), ((textureY + height) * f1)).endVertex();
    vertexbuffer.pos((x + width), (y + 0), zLevel).tex(((textureX + width) * f), ((textureY + 0) * f1)).endVertex();
    vertexbuffer.pos((x + 0), (y + 0), zLevel).tex(((textureX + 0) * f), ((textureY + 0) * f1)).endVertex();
    tessellator.draw();
}