/*  Starshatter OpenSource Distribution
    Copyright (c) 1997-2004, Destroyer Studios LLC.
    All Rights Reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name "Destroyer Studios" nor the names of its contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.

    SUBSYSTEM:    Stars.exe
    FILE:         VidDlg.cpp
    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Main Menu Dialog Active Window class
*/

#include "MemDebug.h"
#include "VidDlg.h"
#include "BaseScreen.h"
#include "Starshatter.h"
#include "Ship.h"
#include "Terrain.h"
#include "CameraDirector.h"

#include "DataLoader.h"
#include "Button.h"
#include "ListBox.h"
#include "Slider.h"
#include "Video.h"
#include "VideoSettings.h"
#include "Keyboard.h"
#include "MachineInfo.h"

// +--------------------------------------------------------------------+
// DECLARE MAPPING FUNCTIONS:

DEF_MAP_CLIENT(VidDlg, OnTexSize);
DEF_MAP_CLIENT(VidDlg, OnMode);
DEF_MAP_CLIENT(VidDlg, OnDetail);
DEF_MAP_CLIENT(VidDlg, OnTexture);
DEF_MAP_CLIENT(VidDlg, OnGamma);
DEF_MAP_CLIENT(VidDlg, OnApply);
DEF_MAP_CLIENT(VidDlg, OnCancel);
DEF_MAP_CLIENT(VidDlg, OnAudio);
DEF_MAP_CLIENT(VidDlg, OnVideo);
DEF_MAP_CLIENT(VidDlg, OnOptions);
DEF_MAP_CLIENT(VidDlg, OnControls);
DEF_MAP_CLIENT(VidDlg, OnMod);

// +--------------------------------------------------------------------+

VidDlg::VidDlg(Screen* s, FormDef& def, BaseScreen* mgr)
: FormWindow(s,  0,  0, s->Width(), s->Height()), manager(mgr),
selected_mode(0), selected_detail(0), orig_gamma(128),
selected_card(0), selected_tex_size(0), selected_render(0), selected_texture(0),
mode(0), tex_size(0), detail(0), texture(0), gamma(0), shadows(0), spec_maps(0),
bump_maps(0), lens_flare(0), corona(0), nebula(0), dust(0),
apply(0), cancel(0), vid_btn(0), aud_btn(0), ctl_btn(0), opt_btn(0), mod_btn(0),
closed(true)
{
    stars = Starshatter::GetInstance();

    Init(def);
    orig_gamma = Game::GammaLevel();
}

VidDlg::~VidDlg()
{
}

// +--------------------------------------------------------------------+

void
VidDlg::RegisterControls()
{
    if (apply)
    return;

    mode    = (ComboBox*) FindControl(203);
    REGISTER_CLIENT(EID_SELECT, mode, VidDlg, OnMode);

    tex_size = (ComboBox*) FindControl(204);
    REGISTER_CLIENT(EID_SELECT, tex_size, VidDlg, OnTexSize);

    detail  = (ComboBox*) FindControl(205);
    REGISTER_CLIENT(EID_SELECT, detail, VidDlg, OnDetail);

    texture = (ComboBox*) FindControl(206);
    REGISTER_CLIENT(EID_SELECT, texture, VidDlg, OnTexture);

    gamma   = (Slider*) FindControl(215);

    if (gamma) {
        gamma->SetRangeMin(32);
        gamma->SetRangeMax(224);
        gamma->SetStepSize(16);

        REGISTER_CLIENT(EID_CLICK, gamma, VidDlg, OnGamma);
    }

    lens_flare  = (ComboBox*) FindControl(211);
    corona      = (ComboBox*) FindControl(212);
    nebula      = (ComboBox*) FindControl(213);
    dust        = (ComboBox*) FindControl(214);
    shadows     = (ComboBox*) FindControl(222);
    spec_maps   = (ComboBox*) FindControl(223);
    bump_maps   = (ComboBox*) FindControl(224);

    apply   = (Button*) FindControl(1);
    REGISTER_CLIENT(EID_CLICK, apply, VidDlg, OnApply);

    cancel  = (Button*) FindControl(2);
    REGISTER_CLIENT(EID_CLICK, cancel, VidDlg, OnCancel);

    vid_btn = (Button*) FindControl(901);
    REGISTER_CLIENT(EID_CLICK, vid_btn, VidDlg, OnVideo);

    aud_btn = (Button*) FindControl(902);
    REGISTER_CLIENT(EID_CLICK, aud_btn, VidDlg, OnAudio);

    ctl_btn = (Button*) FindControl(903);
    REGISTER_CLIENT(EID_CLICK, ctl_btn, VidDlg, OnControls);

    opt_btn = (Button*) FindControl(904);
    REGISTER_CLIENT(EID_CLICK, opt_btn, VidDlg, OnOptions);

    mod_btn = (Button*) FindControl(905);
    if (mod_btn)
    REGISTER_CLIENT(EID_CLICK, mod_btn, VidDlg, OnMod);
}

// +--------------------------------------------------------------------+

void
VidDlg::Show()
{
    FormWindow::Show();

    if (closed) {
        bool fullscreen = true;

        if (stars) {
            selected_render   = 9;
            selected_card     = 0;

            int n = stars->MaxTexSize();

            for (int i = 0; i < 7; i++) {
                if (n <= pow(2.0f, i+6)) {
                    selected_tex_size = i;
                    break;
                }
            }

            Video* video = Game::GetVideo();

            if (video) {
                if (shadows)
                shadows->SetSelection(video->IsShadowEnabled());

                if (spec_maps)
                spec_maps->SetSelection(video->IsSpecMapEnabled());

                if (bump_maps)
                bump_maps->SetSelection(video->IsBumpMapEnabled());

                fullscreen = video->IsFullScreen();
            }

            if (lens_flare)
            lens_flare->SetSelection(stars->LensFlare());

            if (corona)
            corona->SetSelection(stars->Corona());

            if (nebula)
            nebula->SetSelection(stars->Nebula());

            if (dust)
            dust->SetSelection(stars->Dust());
        }

        selected_detail  = Terrain::DetailLevel() - 2;
        selected_texture = true;

        if (mode) {
            BuildModeList();
            mode->SetSelection(selected_mode);
            mode->SetEnabled(fullscreen);
        }

        if (tex_size)
        tex_size->SetSelection(selected_tex_size);

        if (detail)
        detail->SetSelection(selected_detail);

        if (texture)
        texture->SetSelection(selected_texture);


        if (gamma) {
            orig_gamma = Game::GammaLevel();
            gamma->SetValue(orig_gamma);
        }
    }

    if (vid_btn)   vid_btn->SetButtonState(1);
    if (aud_btn)   aud_btn->SetButtonState(0);
    if (ctl_btn)   ctl_btn->SetButtonState(0);
    if (opt_btn)   opt_btn->SetButtonState(0);
    if (mod_btn)   mod_btn->SetButtonState(0);

    closed = false;
}

// +--------------------------------------------------------------------+

void
VidDlg::ExecFrame()
{
    if (Keyboard::KeyDown(VK_RETURN)) {
        OnApply(0);
    }
}

// +--------------------------------------------------------------------+

void
VidDlg::OnMode(AWEvent* event)
{
    selected_mode = mode->GetSelectedIndex();
}

void
VidDlg::OnTexSize(AWEvent* event)
{
    selected_tex_size = tex_size->GetSelectedIndex();
}

void
VidDlg::OnDetail(AWEvent* event)
{
    selected_detail = detail->GetSelectedIndex();
}

void
VidDlg::OnTexture(AWEvent* event)
{
    selected_texture = texture->GetSelectedIndex();
}

void
VidDlg::OnGamma(AWEvent* event)
{
    int g = gamma->GetValue();

    if (g >= 0 && g <= 255) {
        Game::SetGammaLevel(g);
    }
}

// +--------------------------------------------------------------------+

void VidDlg::OnAudio(AWEvent* event)      { manager->ShowAudDlg();  }
void VidDlg::OnVideo(AWEvent* event)      { manager->ShowVidDlg();  }
void VidDlg::OnOptions(AWEvent* event)    { manager->ShowOptDlg();  }
void VidDlg::OnControls(AWEvent* event)   { manager->ShowCtlDlg();  }
void VidDlg::OnMod(AWEvent* event)        { manager->ShowModDlg();  }

// +--------------------------------------------------------------------+

void
VidDlg::OnApply(AWEvent* event)
{
    manager->ApplyOptions();
}

void
VidDlg::OnCancel(AWEvent* event)
{
    manager->CancelOptions();
}

// +--------------------------------------------------------------------+

void
VidDlg::Apply()
{
    if (closed) return;

    int  w =   800;
    int  h =   600;
    int  d =    32;
    int  a =     1;
    int  g =   128;
    int  t =  2048;
    float bias = 0;

    const char* mode_desc = mode->GetSelectedItem();

    if (strstr(mode_desc, "800 x 600")) {
        w =  800;
        h =  600;
    }
    else if (strstr(mode_desc, "1024 x 768")) {
        w = 1024;
        h =  768;
    }
    else if (strstr(mode_desc, "1152 x 864")) {
        w = 1152;
        h =  864;
    }
    else if (strstr(mode_desc, "1280 x 800")) {
        w = 1280;
        h =  800;
    }
    else if (strstr(mode_desc, "1280 x 960")) {
        w = 1280;
        h =  960;
    }
    else if (strstr(mode_desc, "1280 x 1024")) {
        w = 1280;
        h = 1024;
    }
    else if (strstr(mode_desc, "1366 x 768")) {
        w = 1366;
        h = 768;
    }
    else if (strstr(mode_desc, "1440 x 900")) {
        w = 1440;
        h = 900;
    }
    else if (strstr(mode_desc, "1600 x 900")) {
        w = 1600;
        h = 900;
    }
    else if (strstr(mode_desc, "1600 x 1200")) {
        w = 1600;
        h = 1200;
    }
    else if (strstr(mode_desc, "1680 x 1050")) {
        w = 1680;
        h = 1050;
    }
    else if (strstr(mode_desc, "1920 x 1080")) {
        w = 1920;
        h = 1080;
    }
    else if (strstr(mode_desc, "2560 x 1080")) {
        w = 2560;
        h = 1080;
    }
    else if (strstr(mode_desc, "3440 x 1440")) {
        w = 3440;
        h = 1440;
    }

    if (strstr(mode_desc, "x 16"))
    d = 16;
    else if (strstr(mode_desc, "x 32"))
    d = 32;

    if (selected_tex_size)
    t = (int) pow(2.0f, selected_tex_size + 6);

    bool video_change = false;

    Video* video = Game::GetVideo();
    if (video) {
        const VideoSettings* vs = video->GetVideoSettings();

        if (vs)
        bias = vs->depth_bias;

        if (video->IsFullScreen()) {
            if (video->Width()  != w)
            video_change = true;

            if (video->Height() != h)
            video_change = true;

            if (video->Depth()  != d)
            video_change = true;
        }
        else if (vs) {
            w = vs->fullscreen_mode.width;
            h = vs->fullscreen_mode.height;

            if (vs->fullscreen_mode.format == VideoMode::FMT_R5G6B5 ||
                    vs->fullscreen_mode.format == VideoMode::FMT_R5G5B5)
            d = 16;
            else
            d = 32;
        }

        if (Game::MaxTexSize() != t)
        video_change = true;
    }

    FILE* f = 0;

    if (video_change)
        fopen_s(&f, "video2.cfg", "wb");
    else
        fopen_s(&f, "video.cfg", "wb");

    if (gamma) {
        g = gamma->GetValue();
    }

    if (f) {
        fprintf(f, "VIDEO\n\n");
        fprintf(f, "width:     %4d\n", w);
        fprintf(f, "height:    %4d\n", h);
        fprintf(f, "depth:     %4d\n", d);
        fprintf(f, "\n");
        fprintf(f, "max_tex:   %d\n",  (int) pow(2.0f, 6 + selected_tex_size));
        fprintf(f, "primary3D: %s\n",  (a>0)?"true":"false");
        fprintf(f, "gamma:     %4d\n", g);
        fprintf(f, "\n");
        fprintf(f, "terrain_detail_level:   %d\n", selected_detail + 2);
        fprintf(f, "terrain_texture_enable: %s\n", selected_texture ? "true" : "false");
        fprintf(f, "\n");
        fprintf(f, "shadows:   %s\n", shadows->GetSelectedIndex()    ? "true" : "false");
        fprintf(f, "spec_maps: %s\n", spec_maps->GetSelectedIndex()  ? "true" : "false");
        fprintf(f, "bump_maps: %s\n", bump_maps->GetSelectedIndex()  ? "true" : "false");
        fprintf(f, "bias:      %f\n", bias);
        fprintf(f, "\n");
        fprintf(f, "flare:     %s\n", lens_flare->GetSelectedIndex() ? "true" : "false");
        fprintf(f, "corona:    %s\n", corona->GetSelectedIndex()     ? "true" : "false");
        fprintf(f, "nebula:    %s\n", nebula->GetSelectedIndex()     ? "true" : "false");
        fprintf(f, "dust:      %d\n", dust->GetSelectedIndex());

        if (CameraDirector::GetRangeLimit() != 300e3)
        fprintf(f, "   cam_range_max: %f,\n", CameraDirector::GetRangeLimit());

        fclose(f);
    }

    Starshatter* stars = Starshatter::GetInstance();

    if (stars) {
        if (video_change)
        stars->RequestChangeVideo();
        else
        stars->LoadVideoConfig("video.cfg");
    }

    closed = true;
}

void
VidDlg::Cancel()
{
    Game::SetGammaLevel(orig_gamma);
    closed = true;
}

// +--------------------------------------------------------------------+

void
VidDlg::BuildModeList()
{
    char           mode_desc[32];
    Starshatter*   stars = Starshatter::GetInstance();

    mode->ClearItems();
    selected_mode = 0;

    if (Game::DisplayModeSupported( 800, 600, 16))  mode->AddItem("800 x 600 x 16");
    if (Game::DisplayModeSupported( 800, 600, 32))  mode->AddItem("800 x 600 x 32");

    if (Game::DisplayModeSupported(1024, 768, 16))  mode->AddItem("1024 x 768 x 16");
    if (Game::DisplayModeSupported(1024, 768, 32))  mode->AddItem("1024 x 768 x 32");

    if (Game::DisplayModeSupported(1152, 864, 16))  mode->AddItem("1152 x 864 x 16");
    if (Game::DisplayModeSupported(1152, 864, 32))  mode->AddItem("1152 x 864 x 32");

    if (Game::DisplayModeSupported(1280, 800, 16))  mode->AddItem("1280 x 800 x 16");
    if (Game::DisplayModeSupported(1280, 800, 32))  mode->AddItem("1280 x 800 x 32");

    if (Game::DisplayModeSupported(1280, 960, 16))  mode->AddItem("1280 x 960 x 16");
    if (Game::DisplayModeSupported(1280, 960, 32))  mode->AddItem("1280 x 960 x 32");

    if (Game::DisplayModeSupported(1280,1024, 16))  mode->AddItem("1280 x 1024 x 16");
    if (Game::DisplayModeSupported(1280,1024, 32))  mode->AddItem("1280 x 1024 x 32");

    if (Game::DisplayModeSupported(1366, 768, 16))  mode->AddItem("1366 x 768 x 16");
    if (Game::DisplayModeSupported(1366, 768, 32))  mode->AddItem("1366 x 768 x 32");

    if (Game::DisplayModeSupported(1440, 900, 16))  mode->AddItem("1440 x 900 x 16");
    if (Game::DisplayModeSupported(1440, 900, 32))  mode->AddItem("1440 x 900 x 32");

    if (Game::DisplayModeSupported(1600, 900, 16))  mode->AddItem("1600 x 900 x 16");
    if (Game::DisplayModeSupported(1600, 900, 32))  mode->AddItem("1600 x 900 x 32");

    if (Game::DisplayModeSupported(1600,1200, 16))  mode->AddItem("1600 x 1200 x 16");
    if (Game::DisplayModeSupported(1600,1200, 32))  mode->AddItem("1600 x 1200 x 32");

    if (Game::DisplayModeSupported(1680,1050, 16))  mode->AddItem("1680 x 1050 x 16");
    if (Game::DisplayModeSupported(1680,1050, 32))  mode->AddItem("1680 x 1050 x 32");

    if (Game::DisplayModeSupported(1920,1080, 16))  mode->AddItem("1920 x 1080 x 16");
    if (Game::DisplayModeSupported(1920,1080, 32))  mode->AddItem("1920 x 1080 x 32");

    Video* video = Game::GetVideo();

    if (stars && video) {
        switch (video->Width()) {
        case  800:  strcpy_s(mode_desc, "800 x 600 x ");     break;
        default:
        case 1024:  strcpy_s(mode_desc, "1024 x 768 x ");    break;
        case 1152:  strcpy_s(mode_desc, "1152 x 864 x ");    break;
        case 1280:
            if (video->Height() < 900)
            strcpy_s(mode_desc, "1280 x 800 x ");
            if (video->Height() < 1000)
            strcpy_s(mode_desc, "1280 x 960 x ");
            else
            strcpy_s(mode_desc, "1280 x 1024 x ");
            break;
        case 1366:  strcpy_s(mode_desc, "1366 x 768 x ");    break;
        case 1440:  strcpy_s(mode_desc, "1440 x 900 x ");    break;
        case 1600:
            if (video->Height() < 1000)
            strcpy_s(mode_desc, "1600 x 900 x ");
            else
            strcpy_s(mode_desc, "1600 x 1200 x ");
            break;
        case 1680:  strcpy_s(mode_desc, "1680 x 1050 x ");    break;
        case 1920:  strcpy_s(mode_desc, "1920 x 1080 x ");    break;
        case 2560:  strcpy_s(mode_desc, "2560 x 1080 x ");    break;
        case 3440:  strcpy_s(mode_desc, "3440 x 1440 x ");    break;
        }

        switch (video->Depth()) {
        default:
        case 8:     strcat_s(mode_desc, "8");                break;
        case 16:    strcat_s(mode_desc, "16");               break;
        case 32:    strcat_s(mode_desc, "32");               break;
        }

        for (int i = 0; i < mode->GetCount(); i++) {
            if (!strcmp(mode->GetItem(i), mode_desc))
            selected_mode = i;
        }
    }
}