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Working on sunshine...



Here what I obtained for now to get a really sunny atmosphere:

(Using GodRays shader for the sun light effect)






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  • Blog Entries

    • By Josh in Josh's Dev Blog 0
      I wanted to see if any of the terrain data can be compressed down, mostly to reduce GPU memory usage. I implemented some fast texture compression algorithms for BC1, BC3, BC4, BC5, and BC7 compression. BC6 and BC7 are not terribly useful in this situation because they involve a complex lookup table, so data from different textures can't be mixed and matched. I found two areas where texture compression could be used, in alpha layers and normal maps. I implemented BC3 compression for terrain alpha and could not see any artifacts. The compression is very fast, always less than one second even with the biggest textures I would care to use (4096 x 4096).
      For normals, BC1 (DXT1 and BC3 (DXT5) produce artifacts: (I accidentally left tessellation turned on high in these shots, which is why the framerate is low):

      BC5 gives a better appearance on this bumpy area and closely matches the original uncompressed normals. BC5 takes 1 byte per pixel, one quarter the size of uncomompressed RGBA. However, it only supports two channels, so we need one texture for normals and another for tangents, leaving us with a total 50% reduced size.

      Here are the results:
      2048 x 2048 Uncompressed Terrain:
      Heightmap = 2048 * 2048 * 2 = 8388608 Normal / tangents map = 16777216 Secret sauce = 67108864 Secret sauce 2 = 16777216 Total = 104 MB 2048 x 2048 Compressed Terrain:
      Heightmap = 2048 * 2048 * 2 = 8388608 Normal map = 4194304 Tangents = 4194304 Secret sauce = 16777216 Secret sauce 2 = 16777216 Total = 48 MB Additionally, for editable terrain an extra 32 MB of data needs to be stored, but this can be dumped once the terrain is made static. There are other things you can do to reduce the file size but it would not change the memory usage, and processing time is very high for "super-compression" techniques. I investigated this thoroughly and found the best compression methods for this situation that are pretty much instantaneous with no noticeable loss of quality, so I am satisfied.
    • By jen in jen's Blog 0
      My small project will be called Foregate, it will be a dark medieval Diablo style single player action RPG.
      The graphics will be simple, no PBR, 256x256 map, reasonably low-res models.
      Camera style? Top-down-ish I think? Like in Diablo exactly - and because the camera is not directly in-front of the 3 models, I can get away with low-resolution assets - bonus. Also, with top-down view, I won't have to worry about high resolution sky-boxes. 
      What's my plan for this project?
      I plan to make this project as small and as simple as possible, possibly release it as open-source, and have fun with it of course.
      My previous experience with game development (1-2 years ago?) was amateurish I think, still is now. I want to give it a go again, this time with experience although my skill in C++ is not really that good? Maybe I can improve it in this project.
      More about the game
      The content is not set in stone yet but I have a general idea of how the mechanics is going to look and feel - Diablo-ish obviously. It'll have monsters (ancient & mythical probably), loot when killing a monster, gold as in-game currency, visual grid inventory, player stats (level, strength, agility, vitality, energy, &c.). 
      The game will be single-player. Possibly a coop multiplayer also? I don't have any interest in making massive multi-player. 
      I started my development yesterday with the basic preparations (setting up project environment, &c.), today I made my first step in developing the core components; worker class, game state, task class.
      I have a game state that keeps a single source of truth for the entire application; all game data will be stored in this class as "states". 
      I also have a "Worker" which will do the processing of tasks in the game.
      I also have "object" class, this can be a monster, the player, a weapon, a prop, or an NPC.
      So the idea is to have a CQRS type of interaction between the classes and the data. Any action in the game will be interpreted as "Task" for the Worker class. The worker class iterates through the Task. Tasks can be created by any class interfaced with the Worker class trough "addNewTask" and the new tasks can be of a certain type i.e.: ATTACK, IDLE, SAVE_GAME, EXIT_GAME, the new task will also have a payload data and it's processed according to its task type e.g. an ATTACK with payload "{ Damage: 10, Target: MonsterA }" will reduce the health of MonsterA by 10 - the worker class will change the game state; find MonsterA in MonsterState and reduce its health by 10. 
      I think it's advantageous to have this type of centralized module where all actions are processed; I can do all sorts of procedures during the processes, maybe debug data, filter actions, mutate payloads, and such.
      How much time am I going to put into this?
      A couple of hours a day for 3 days a week maybe.
      So it's all a rough sketch for now and it's heading the right direction. I'll have more to report later on. 

      This is Forgate Castle, minus the castle, in the map Forgate; the starting location for the player. The fortification will have merchants, and quest givers.
    • By jen in jen's Blog 4
      I've got a bit of free time on my hands for a while. I plan to take up Leadwerks again and come up with a simple project to have fun with.
      I use VSCode at work and I don't have a Windows machine at the moment. Codeblocks is a bit dated now and I'm not sure if it has all the features to fit my workflow so I can't use it. 
      It's a bit fiddly to build C++ apps on VSCode. There's a prescribed method of setting up your C++ project in the official hubs but I don't think those are necessary in my case, I just need a script that builds the project which I have below.
      By the way, VSCode website is here: https://code.visualstudio.com/
      Have fun.
      Save as build.sh in your project's root folder and run using build.sh or build.sh -r for release. Works for Stable version LW and any previous versions(?) - at least v4.5 (archived). BETA branch (4.6?) doesn't seem to build for me, missing Leadwerks.a file.
      Disclaimer: not really fully tested for bigger projects? I've only tested this with sample projects that have no additional project folder structure in its Source so I'm not sure if the script will propagate its search for CPP files thoroughly and process each file successfully in bigger projects. Back-up project files before running the script for the first time please.
      Updated: 26/02/2020
      #!/bin/sh if [ $1 == "-h" ]; then echo "Build script is set to DEBUG by default. Set -r in first argument of the script to build for release."; exit 1; fi if [ $1 != "" ] && [ $1 != "-r" ] && [ $1 != "-h" ]; then echo "Type build.sh -h to see brief help description."; exit 1; fi debugFlags='-g -DDEBUG -D_DEBUG'; debugLibPath='Debug'; PROJECT_PATH=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P ) LEADWERKS_PATH=~/.local/share/Steam/steamapps/common/Leadwerks declare a compiledFiles; declare a includedFilePaths; if [ $1 == "-r" ]; then debugFlags=''; debugLibPath='Release'; fi truncate -s 0 $PROJECT_PATH/build.log echo "Leadwerks Path: $LEADWERKS_PATH" echo "Project Path: $PROJECT_PATH" echo "Compiling source..." if [ ! -d "$PROJECT_PATH/Compilations" ]; then mkdir $PROJECT_PATH/Compilations; fi if [ ! -d "$PROJECT_PATH/Compilations/$debugLibPath" ]; then mkdir $PROJECT_PATH/Compilations/$debugLibPath; fi for f in $(find $PROJECT_PATH/Source -name '*.h' ); do includedFilePaths+=("-I $(dirname "${f}")") done includedFilesJoined=$(printf "%s " "${includedFilePaths[@]}") includedFilesJoined="-${includedFilesJoined:1}" for f in $(find $PROJECT_PATH/Source -name '*.cpp' ); do originalSourcePath=$PROJECT_PATH/Source; compilationsPath=$PROJECT_PATH/Compilations/$debugLibPath; compiledFilePath=${f/.cpp/'.o'}; compiledFilePath=${compiledFilePath/$originalSourcePath/$compilationsPath}; mkdir -p $(dirname "${compiledFilePath}") g++ -std=c++0x $debugFlags -w -fexceptions -msse3 -DDG_DISABLE_ASSERT -DZLIB \ -DPLATFORM_LINUX -D_NEWTON_STATIC_LIB -DFT2_BUILD_LIBRARY -DOPENGL \ -Dunix -D__STEAM__ -D_POSIX_VER -D_POSIX_VER_64 -DDG_THREAD_EMULATION \ -D_STATICLIB -DDG_USE_THREAD_EMULATION -DGL_GLEXT_PROTOTYPES -DLEADWERKS_3_1 \ -DLUA_USE_LINUX -D_GLIBCXX_USE_CXX11_ABI=1 -D_CUSTOM_JOINTS_STATIC_LIB -fPIC -O2 -std=c++0x \ $includedFilesJoined \ -I $LEADWERKS_PATH/Include/Libraries/VHACD/src/VHACD_Lib/inc \ -I $LEADWERKS_PATH/Include/Libraries/NewtonDynamics/sdk/dMath \ -I $LEADWERKS_PATH/Include/Libraries/NewtonDynamics/sdk/dgNewton \ -I $LEADWERKS_PATH/Include/Libraries/NewtonDynamics/sdk/dContainers \ -I $LEADWERKS_PATH/Include/Libraries/NewtonDynamics/sdk/dgCore \ -I $LEADWERKS_PATH/Include/Libraries/NewtonDynamics/sdk/dgTimeTracker \ -I $LEADWERKS_PATH/Include/Libraries/NewtonDynamics/sdk/dgPhysics \ -I $LEADWERKS_PATH/Include/Libraries/NewtonDynamics/sdk/dCustomJoints \ -I $LEADWERKS_PATH/Include/Libraries/tolua++-1.0.93/include \ -I $LEADWERKS_PATH/Include/Libraries/lua-5.1.4 \ -I $LEADWERKS_PATH/Include/Libraries/freetype-2.4.7/include \ -I $LEADWERKS_PATH/Include/Libraries/enet-1.3.1/include \ -I $LEADWERKS_PATH/Include/Libraries/RecastNavigation/DebugUtils/Include \ -I $LEADWERKS_PATH/Include/Libraries/RecastNavigation/Detour/Include \ -I $LEADWERKS_PATH/Include/Libraries/RecastNavigation/DetourCrowd/Include \ -I $LEADWERKS_PATH/Include/Libraries/RecastNavigation/DetourTileCache/Include \ -I $LEADWERKS_PATH/Include/Libraries/RecastNavigation/Recast/Include \ -I $LEADWERKS_PATH/Include/Libraries/libvorbis/include \ -I $LEADWERKS_PATH/Include/Libraries/NewtonDynamics/packages/thirdParty/timeTracker \ -I $LEADWERKS_PATH/Include/Libraries/libvorbis/lib \ -I $LEADWERKS_PATH/Include/Libraries/libogg/include \ -I $LEADWERKS_PATH/Include \ -I $LEADWERKS_PATH/Include/Libraries/zlib-1.2.5 \ -I $LEADWERKS_PATH/Include/Libraries/zlib-1.2.5/contrib/minizip \ -I $LEADWERKS_PATH/Include/Libraries/freetype-2.4.7/include/freetype \ -I $LEADWERKS_PATH/Include/Libraries/freetype-2.4.7/include/freetype/config \ -I $LEADWERKS_PATH/Include/Libraries/LuaJIT/dynasm \ -I $LEADWERKS_PATH/Include/Libraries/glew-1.6.0/include \ -c $f -o $compiledFilePath; compiledFiles+=($compiledFilePath) done compiledFilesJoined=$(printf "%s " "${compiledFiles[@]}") compiledFilesJoined="/${compiledFilesJoined:1}" echo "Building project..."; g++ -o $PROJECT_PATH/${PWD##*/} $compiledFilesJoined -s "$LEADWERKS_PATH/Library/Linux/$debugLibPath/Leadwerks.a" -ldl \ -lopenal -lGL -lGLU "$LEADWERKS_PATH/Library/Linux/libluajit.a" $PROJECT_PATH/libsteam_api.so \ -lX11 -lXext -lXrender -lXft -lpthread -lcurl "$LEADWERKS_PATH/Library/Linux/libopenvr_api.so" echo "Build complete. See build.log for result summary." About the game: I'm kind of disappointed with the Action RPGs released recently. I want to give the genre a shot, present my own interpretation of how it should look like? Dark, medieval, less electric, modest if not rare use of glow shaders... maybe?

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