Function R_render

engine/src/game.cpp:1728–1970

}

void R_render()
{
    // Update window size if needed
    int windowWidth, windowHeight;
    SDL_GetWindowSize(window.window, &windowWidth, &windowHeight);
    if (windowWidth != game.clientRect.w || windowHeight != game.clientRect.h)
    {
        game.clientRect.w = windowWidth;
        game.clientRect.h = windowHeight;
        game.aspectRatio = (float)windowWidth / windowHeight;
        R_resize(windowWidth, windowHeight);
    }

    glGetUniformLocation(NULL, NULL);

    if (!bdrawbglayer05)
        game.renderTargets.scene.Clear(0.75f, 0.56f, 0.46f, 1.0f);
    else
        game.renderTargets.scene.Clear(0.0f, 0.0f, 0.0f, 0.0f);

    glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
    glEnable(GL_TEXTURE_2D);
    glEnable(GL_BLEND);

    float screen_width;
    float screen_height;
    float targetAspectRatio = _16x9;
    float width;
    float height;
    ScreenRect boxRect;

    if (bsnapscale && bfixedaspect)
    {
        screen_width = window.virtualModes[window.scaleMode].width;
        screen_height = window.virtualModes[window.scaleMode].height;
    }
    else if (bfixedaspect)
    {
        screen_width = window.currentWidth();
        screen_height = window.currentHeight();
    }

    width = screen_width;
    height = (width / targetAspectRatio);

    if (bfixedaspect)
    {
        if (height > screen_height)
        {
            height = screen_height;
            width = (height * targetAspectRatio);
        }
        float boxwidth = 2 * (width / game.clientRect.w);
        float boxheight = 2 * (height / game.clientRect.h);

        boxRect = ScreenRect(-1 + (1 - boxwidth * 0.5f),
                             -1 + (1 - boxheight * 0.5f), boxwidth, boxheight);
    }