Name:           opengothic
Version:        1.0.3549
Release:        1%{?dist}
Summary:        Open source reimplementation of Gothic 2: Night of the Raven

License:        MIT
URL:            https://github.com/Try/OpenGothic
Source0:        https://github.com/Try/OpenGothic/archive/refs/tags/opengothic-v%{version}.tar.gz

# Build dependencies
BuildRequires:  cmake >= 3.12
BuildRequires:  gcc-c++
BuildRequires:  glslang
BuildRequires:  vulkan-loader-devel
BuildRequires:  vulkan-validation-layers-devel
BuildRequires:  alsa-lib-devel
BuildRequires:  libX11-devel
BuildRequires:  libXcursor-devel
BuildRequires:  libglvnd-devel
BuildRequires:  git

# Runtime dependencies
Requires:       vulkan-loader
Requires:       alsa-lib
Requires:       libX11
Requires:       libXcursor
Requires:       libglvnd-glx

# OpenGothic uses git submodules
%global debug_package %{nil}

%description
OpenGothic is an open source reimplementation of Gothic 2: Night of the Raven.
The project aims to provide a feature-complete Gothic game client that is 
compatible with the original game data and mods.

Features:
- Full Gothic 2: Night of the Raven support
- Gothic 1 support (experimental)
- Modern graphics with Vulkan renderer
- Support for ray tracing and mesh shaders on capable hardware
- Cross-platform support (Linux, Windows, macOS)
- Mod support for content-based modifications

Note: This package requires the original Gothic 2 game data files to run.
OpenGothic does not provide any built-in game assets or scripts.

%prep
%autosetup -n OpenGothic-opengothic-v%{version}

# Initialize submodules (would normally be done with git clone --recurse-submodules)
# For source RPM building, submodules should be included in the tarball or fetched separately

%build
%cmake \
    -DCMAKE_BUILD_TYPE=RelWithDebInfo \
    -DBUILD_SHARED_LIBS=ON

%cmake_build

%install
# Create installation directories
mkdir -p %{buildroot}%{_bindir}
mkdir -p %{buildroot}%{_datadir}/applications
mkdir -p %{buildroot}%{_datadir}/icons/hicolor/256x256/apps
mkdir -p %{buildroot}%{_datadir}/%{name}
mkdir -p %{buildroot}%{_mandir}/man6

# Install the main executable
install -m 755 %{_vpath_builddir}/opengothic/Gothic2Notr %{buildroot}%{_bindir}/Gothic2Notr

# Install launcher script
cat > %{buildroot}%{_bindir}/opengothic << 'EOF'
#!/bin/bash
# OpenGothic launcher script for Fedora
exec /usr/bin/Gothic2Notr "$@"
EOF
chmod 755 %{buildroot}%{_bindir}/opengothic

# Install shader directory
if [ -d shader ]; then
    cp -r shader %{buildroot}%{_datadir}/%{name}/
fi

# Create desktop file
cat > %{buildroot}%{_datadir}/applications/%{name}.desktop << EOF
[Desktop Entry]
Name=OpenGothic
Comment=Open source reimplementation of Gothic 2: Night of the Raven
Exec=opengothic -g "%f"
Icon=opengothic
Terminal=false
Type=Application
Categories=Game;RolePlaying;
Keywords=gothic;rpg;game;
MimeType=
EOF

# Create a simple man page
cat > %{buildroot}%{_mandir}/man6/%{name}.6 << 'EOF'
.TH OPENGOTHIC 6 "2024" "OpenGothic 1.0" "Games"
.SH NAME
opengothic \- Open source reimplementation of Gothic 2: Night of the Raven
.SH SYNOPSIS
.B Gothic2Notr
[\fIOPTIONS\fR]
.SH DESCRIPTION
OpenGothic is an open source reimplementation of Gothic 2: Night of the Raven.
The project provides a modern game engine that is compatible with the original
Gothic 2 game data.
.SH OPTIONS
.TP
.B \-g <path>
Specify path to Gothic 2 installation directory
.TP
.B \-game:<modfile.ini>
Load a modification (mod) specified by the INI file
.TP
.B \-nomenu
Skip the main menu
.TP
.B \-devmode
Enable developer/marvin mode at start
.TP
.B \-w <worldname.zen>
Load a specific world file (default: newworld.zen)
.TP
.B \-save q
Load quick save on start
.TP
.B \-save <number>
Load a specific save slot on start
.TP
.B \-v, \-validation
Enable validation layers for graphics API
.TP
.B \-dx12
Force DirectX 12 renderer (Windows only)
.TP
.B \-g1
Assume Gothic 1 installation
.TP
.B \-g2c
Assume Gothic 2 classic installation
.TP
.B \-g2
Assume Gothic 2: Night of the Raven installation (default)
.TP
.B \-rt <boolean>
Enable or disable ray-query
.TP
.B \-gi <boolean>
Enable or disable ray-traced global illumination
.TP
.B \-ms <boolean>
Enable or disable meshlets
.TP
.B \-aa <number>
Enable anti-aliasing (1-2, where 2 is most expensive)
.TP
.B \-window
Windowed debugging mode
.SH EXAMPLES
.TP
Launch OpenGothic with Gothic 2 data from a specific path:
.B Gothic2Notr -g "/path/to/Gothic II"
.TP
Load a mod:
.B Gothic2Notr -game:MyMod.ini
.TP
Play Gothic 1:
.B Gothic2Notr -g1 -g "/path/to/Gothic"
.SH FILES
.TP
.I ~/.config/OpenGothic/
User configuration directory
.TP
.I ~/Library/Application Support/OpenGothic/
Alternative user data directory (macOS style)
.SH NOTES
OpenGothic requires the original Gothic 2: Night of the Raven game data to run.
Game data can be obtained from:
.IP \(bu 2
Steam
.IP \(bu 2
GOG.com
.IP \(bu 2
Original retail CD/DVD
.PP
The game will automatically detect Gothic installations in common paths.
.SH AUTHORS
Try (original developer) and contributors
.SH SEE ALSO
.TP
Project website and source code:
.I https://github.com/Try/OpenGothic
.TP
Discord community:
.I https://discord.gg/G9XvcFQnn6
EOF

%files
%license LICENSE
%doc README.md CONTRIBUTING.md
%{_bindir}/Gothic2Notr
%{_bindir}/opengothic
%{_datadir}/applications/%{name}.desktop
%{_datadir}/%{name}/
%{_mandir}/man6/%{name}.6*

%changelog
* Wed Feb 05 2025 Package Maintainer <maintainer@example.com> - 1.0.3549-1
- Update to version 1.0.3549
- Latest pre-release with multiple bug fixes and improvements
- Fix smooth interpolation for move-triggers
- Fix fleeing for Gothic 1 NPCs
- Fix AIV_PARTYMEMBER difference between Gothic 1 and Gothic 2
- Fix ammo checking for "best" weapons
- Align strafe/running controls with original game
- Game now memorizes if door or chest lock was ever opened
- Add handling of Gothic 1 guilds
- Implement Gothic 1 behavior for missing items
- Implement opening the map via hotkey in Gothic 1
- Added benchmark mode (-benchmark and -benchmark ci)
- Added marvin set var command

* Thu Dec 26 2024 Package Maintainer <maintainer@example.com> - 1.0.3010-1
- Update to version 1.0.3010
- Improve handling of BS_STUMBLE/BS_PARADE
- Disallow opening inventory menu while character is laying on the ground
- Disallow sliding when character is in 'walk' mode
- Perception range for NPCs now driven by game-script
- Fix isNoisy check when player interacting with MOBSI
- Gothic 1: added PERC_ASSESSREMOVEWEAPON
- Gothic 1: multiple improvements to spell-casting and alignment
- Best weapons are now automatically equipped by NPC on spawn
- Limit mouse rotation speed

* Mon Oct 02 2023 Package Maintainer <maintainer@example.com> - 1.0.1878-1
- Initial Fedora package
- Version 1.0.1878 release
- Includes full Gothic 2: Night of the Raven support
- Experimental Gothic 1 support
- Vulkan rendering with optional ray tracing support
- Mesh shader support for modern GPUs
- Content mod support