[GEC] Master Edition PSX Doom for the PlayStation. Beta 4 Released [11/16/2022]

• Fix an original PSX crash which happens when the player tries to activate a 'door' special on a 1-sided line.
• Implemented Doom 64 style dual colored lighting.
  • Due to the need for binary map format compatibility, the feature is slightly more limited than D64.
  • However it does have additional tweaks & controls available that aren't found in the D64 engine.

• Implemented the ability to have floor skies.

• Tweak how co-op indirect monster kills are handled. Instead of assigning the kill to nobody try assigning the kill to the player being targeted by the enemy; this player is most likely responsible for the indirect kill. If this is not possible (e.g due to monster infighting) then randomly assign the kill to one player or another.
• Implement a tweak which allows multiple 'Computer Area Map' powerups to be picked up (enabled by default).
  •  This fixes issues on some maps where 100% items cannot be obtained because there are multiple map powerups present.
• Fix an original bug where sometimes sprites on the edge of ledges 'warp' between the top and bottom of the ledge.
• Fix a bug where sometimes loading a nightmare save file does not have enemies moving and shooting faster. Also fix a similar bug when using the password system with nightmare passwords. Needed to make sure game settings were correct (based on skill level) in both these scenarios - now fixed.
• Co-op: fix key pickup sounds not playing
• Co-op/dm: fix an original bug where sector specials that cause pain also change the status bar face for the other player. Now the pain face will only be shown for the player receiving the pain.
• Implement a fix (enabled by default) to the 'total kills' counter: increment the total whenever a new enemy is spawned. This fix prevents the total kill % from exceeding 100 and allows the player to determine how many enemies are actually left.
• Fix some types of blood decorations (thing types 79-81) not moving up or down with elevators
• Fix line activation logic not being reliable in some cases.
  • Fixes some situations where switches would be hard to use, and also some exploits where switches could be used through walls.
• Fix a bug introduced where the screen would stay red a while after picking up berserk. Fix an integer underflow.
• Fix an original Doom bug where sometimes enemy gibs after crushing can block the player. The bug would happen if the enemy is crushed during it's death animation.
• Fix an original bug where sounds sometimes have incorrect reverb applied after starting a level
• Fix audio clicks when stopping sounds suddenly, like missiles being destroyed. Allow the stopped sound a little time (~1/4 second) to fade out.
• Cheats: add a message for when the 'X-Ray Vision' cheat is enabled and disabled.
• Sector special 11 (Damage 10/20% and End level): don't play the player's death sound (silent death).
  • This makes the behavior more like PC.
• Classic renderer: fix tall sprites like tech pillars sometimes vanishing up close.
  • These pillars can be found in 'MAP01: Attack' of Final Doom.
• Implement sector special '32' (strobe hurt) which behaves the same as special '4' on PC.
  • The PSX version of special '4' is missing the strobe, and this behavior must be preserved for map compability reasons. For a PC style 'strobe hurt' special '32' can now be used, if desired.
• Fix an original bug where the 'lower and change texture' special doesn't work sometimes.
  • The bug can happen if the sector being lowered is surrounded by another sector that isn't at the destination height.
  • Without this fix a series of lowering floor segments like E3M1 in PC Doom will not work.
• Fix an original bug where sometimes sound propagates through closed doors that should block it.
  • This bug can be observed with the small window into the secret room, in MAP03 of Doom. It allows sound to pass through it even though it is closed.
• Add support for line special 128 from PC (repeatable 'raise floor to nearest' line cross trigger)
• Add support for line specials 130 & 129 from PC ('raise floor turbo' line cross trigger, once and repeatable)
• Add support for line specials 131 & 132 from PC (raise floor turbo switch, once and repeatable)
• Add support for the 'Raise Floor 512' line special (140) from PC
• Add support for a new 'invisible/ghost' platform flag on sectors.
  • This makes the sector render as if it's floor height is the same as the lowest sector floor height around it.

Important:

An error was discovered in the MAP02 of Master Levels (in Beta 3), 
which makes the level impassable, apologies in advance, 
will be corrected for subsequent betas, 
please use the cheat code (right, left, R2, R1 , Triangle, L1, O, X), 
to advance to the next level.

You will get some tools to create a CD image, both Doom or Final Doom, but this games can only run one map which is MAP01 with the purpose of testing the edited maps; you will be also getting maps converted to PSX Doom Format to be edited.

• Both PSX Doom and Final Doom have several limitations when mapping, every WAD's lumps cannot excced the 64Kb as it will prompt the error screen.
• Textures can be varied but they have kimitations as well, that's why I've incorporated the "Vram Viewer" in "Custom GZDoom Builder" in which you can have a guide when retexturing the maps.
• In order to create maps for PSXFinalDoom, you must first to convert it in PSXDoom Format to be able to edit it in "Custom GZDoom Builder" using PSXDoom Format.
• To "death trigger" it uses sector tag just like original PC Doom, but PSXDoom has the advantage to use it in all of the maps, here's a list of the tags:

    666 -> Mancubus        -> Lower Floor To Lowest

    667 -> Arachnotron     -> Raise Floor 24

    668 -> Spider              -> Lower Floor To Lowest

    669 -> Hell knight        -> Lower Floor To Lowest

    670 -> Cyber demon    -> Open Door

    671 -> Baron Of Hell    -> Lower Floor To Lowest

• The finished maps, must be sent to me to get them into the final version.
• The maps in development cannot be shown to the public(e.g. uploading them on the Internet) you can show screenshots instead.
• Easter Eggs are not allowed without authorization.
• Make use of a good sector colors and ambience echoes.
• Make use of the Nightmare/additive/translucent flags for monsters (e.g. Nightmare Imp/Demon/Revenant)
• You cannot add new textures without authorization.
• The maps must have Cooperative and Death Match thigs.
• Make good use of the 3D effect

This rule is no longer necessary:

• For reasons of avoiding the spoiler of the finished maps, it is forbidden to show videos of the finished map, as in YouTube or any other similar medium. 

• Custom GZDoom Builder by GEC: this tool comes with new features such as:

1. Doom: PSXDoom (PSXDoom Format) being able to edit PSXDoom levels.
2. Sector Coloring by Index to set color effects to the sectors.
3. Vram Viewer Mode, rather necessary when texturing.
4. New action in Map Analysis Mode "Check Psx Doom Errors".

• Mkpsxiso.exe:  modified tool to create new CD images for the PlayStation, it just needs to run MAKE PSXDOOM CD.bat file
• PSXHAKING.exe:  tool that is able to hack "PSXDOOM.EXE" to the file inserting, among others. It's very necessary to get "PSXDIR.txt" generated by Mkpsxiso.exe.
• MAKEIMG.exe: tool that creates files: MAPSPR00.IMG, MAPTEX00.IMG for the graphics and MAP00.LCD for the sounds of the levels, you need PSXDOOM.WAD from the CD, it can be either Doom or Final Doom.
• PSXMAP.exe: encodes, decodes and converts map formats: (PC Doom to PSXDoom), (PSXDoom to PSXFinalDoom) and (PSXFinalDoom to PSXDoom).
• Find Side: is a small tool that is responsible for indexing the flanks that are equal to the line, either front or back, with the aim of reducing the size of the lump of SIDEDEFS. Just place Map01.wad and it will generate MAP01_new.wad, with the reduced sidewalls.

Fixed the error of, Clip-Mid Texture.

Now in visual mode, you can see the map with the psxdoom lighting system.

Fixed the error of Find_side tool, now the "Link Scroll" parameter works correctly.

Added 2 new textures W_BLANK and F_BLANK.

New maps added.

Custom GZDoom Builder by GEC Updated:
New action in Map Analysis Mode "Check Psx Doom Errors", this is responsible for finding textural errors, either inverted or stretched, but that's not all, you can also visualize the errors in the 3D view, also looking for inconsistencies with the animated textures, already for walls, floors and ceilings.

It also updates all the tools, I reconstructed the code under Visual Studio 2009, I hope that it avoids the blocks with some antivirus, I also added new bat files, to generate the map with Find_Side tool.

Here some screenshots:

Thanks @CoTeCiO , @Dragonsbrethren y @ riderr3, for reporting errors and ideas.

• The problem of Gzdoom Builder Custom was solved when loading the map without sky.
• Problem solved in Gzdoom Builder Custom, in vram viewer. Now it shows the missing switch.
• Corrected the DoomEd 50 Gzdoom Builder Custom graphic.
• The error was corrected when copying things, now you can copy them with all their flags.
• A new line flag was discovered, I called it Clip Mid-Texture, which allows you to cut the texture at the height of the graphic.

Problem solved in PSXMAP.exe, encoding function.

New MAKEIMG, now called MAKE_IMG_LCD.exe, can create MAPTEX00.IMG correctly. You can also run it in the XEBRA emulator, but do not forget to code the map first.

Here's an example of how inserting maps to PSXDoom. It works exactly the same for this project.

I'm sorry for making you suffering my friends =)

I knew all the limitations found in PSXDoom since the beginning but well, a little more about technical info wouldn't be out of place, right?

As you could see, the textures has a stretching effect, let me tell you that yoffset doesn't work well on walls, I suggest leaving yoffset to 0; regarding the platforms when they go up or down you see the texture stretches, it's better reducing the sector's height or creating a special effect by adding sectors to avoid these texture stretchings.

The errors about "FrontZClip: Point Overflow", "LeftEdgeClip: Point Overflow" and "RightEdgeClip: Point Overflow", I don't know much about this issue, but according to the reversed engineering within the PSXDOOM.EXE it seems that this is caused by the lines and segments.

About creating the CD Image it may result a little complicated, but you will get used to it; here's a video about creating maps using the tools:

What's VRAM?

this is where preloaded textures are storaged for a easier graphic calling when rendering

How does VRAM work?

In PSXDOOM, there are some blocks where graphics are storaged; once the block is full, it loads it in the VRAM and it gets empty and it's used once again but using a different identification and position in the VRAM; totally PSXDoom has twelve blocks, once the twelve blocks are exceeded it will gives the error "Texture Cache Overflow",  this happens because there must be several sprites being loaded in the VRAM. Here's another video giving an example about the VRAM and some screenshots I've created.

Another important thing is that in PSXDoom, when loading textures to the VRAM, it will only load textures with a width of (16, 64, 128) in that order, it won't load textures 32, 96, 256 or any other size, only sprites can be loaded with any size.

By the way, when I refer to you can't exceed the 64kb, this is just for "Lumps" inside the WAD, not the WAD itself.

PSX Doom:
Max Things   = 6553
Max Linedefs = 4681
Max Sidedefs = 2184
Max Vertexes = 8192
Max Segs     = 5461
Max SSectors = 16384
Max Nodes    = 2340
Max Sectors  = 2340

PSX Final Doom:
Max Things   = 6553
Max Linedefs = 4681
Max Sidedefs = 5461
Max Vertexes = 8192
Max Segs     = 5461
Max SSectors = 16384
Max Nodes    = 2340
Max Sectors  = 4096

If an error about ZMALLOC appears to you when you die and then you restart the map, you just need to compress the WAD. I've also updated the tools for you to be downloaded. Besides, I've deleted the thing number 15, thanks to @CoTeCiO; by the way there is also the unused lamp that shared the same doomednum 65 that the Chainguuner had, but I changed the number to doomednum 90 if you wanna use it. That's it!