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Make UDMF mandatory for play

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As per many previous conversations, we need to enforce the UDMF
requirement now if we want to introduce a new hardware renderer in the
future. Requiring UDMF ensures that maps are always built with extended
nodes, which both solves vertex imprecision issues and ensures all
subsectors are closed, making writing a hardware renderer significantly
easier and less prone to subsector bugs.
This commit is contained in:
Eidolon 2024-01-29 18:29:38 -06:00
parent d40097426e
commit 007fbc52da
1 changed files with 10 additions and 2 deletions
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12
src/p_setup.cpp
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@ -3117,8 +3117,6 @@ static void P_LoadTextmap(void)
side_t *sd;
mapthing_t *mt;
CONS_Alert(CONS_NOTICE, "UDMF support is still a work-in-progress; its specs and features are prone to change until it is fully implemented.\n");
/// Given the UDMF specs, some fields are given a default value.
/// If an element's field has a default value set, it is omitted
/// from the textmap, and therefore we have to account for it by
@ -8668,6 +8666,16 @@ boolean P_LoadLevel(boolean fromnetsave, boolean reloadinggamestate)
P_MapEnd(); // tm.thing is no longer needed from this point onwards
if (!udmf && !P_CanWriteTextmap())
{
// *Playing* binary maps is disabled; the support is kept in the code for binary map conversions only.
// This is to make sure people use UDMF and, indirectly, guarantee that they will ship their PWAD
// maps with extended GL nodes, as per UDMF requirement. We can retrofit a modern hardware renderer
// into the game in the future without disrupting existing PWADs, which does not suffer from the issues
// of the current GL renderer.
I_Error("Playing binary maps is disabled; please convert to UDMF TEXTMAP and rebuild nodes.");
}
if (!fromnetsave)
{
INT32 buf = gametic % BACKUPTICS;