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engine: add new engine feature ENGINE_STEP_POSHISTORY_LERP that enables CStrike's MOVETYPE_STEP lerp based on position history

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This commit is contained in:
Alibek Omarov 2024-01-04 05:05:03 +03:00
parent 1ae01d89de
commit 49f972a7c9
2 changed files with 9 additions and 3 deletions
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5
common/enginefeatures.h
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@ -27,6 +27,8 @@ GNU General Public License for more details.
#define ENGINE_COMPUTE_STUDIO_LERP (1<<7) // enable MOVETYPE_STEP lerping back in engine
#define ENGINE_LINEAR_GAMMA_SPACE (1<<8) // disable influence of gamma/brightness cvars to textures/lightmaps, for mods with custom renderer
#define ENGINE_STEP_POSHISTORY_LERP (1U<<31) // enable MOVETYPE_STEP interpolation based on position history. Incompatible with ENGINE_COMPUTE_STUDIO_LERP!
// adjust the mask when features will be added or removed
#define ENGINE_FEATURES_MASK \
( ENGINE_WRITE_LARGE_COORD \
@ -37,6 +39,7 @@ GNU General Public License for more details.
| ENGINE_COMPENSATE_QUAKE_BUG \
| ENGINE_IMPROVED_LINETRACE \
| ENGINE_COMPUTE_STUDIO_LERP \
| ENGINE_LINEAR_GAMMA_SPACE )
| ENGINE_LINEAR_GAMMA_SPACE \
| ENGINE_STEP_POSHISTORY_LERP )
#endif//FEATURES_H

7
engine/client/cl_frame.c
View File

@ -189,7 +189,7 @@ CL_ParametricMove
check for parametrical moved entities
==================
*/
qboolean CL_ParametricMove( cl_entity_t *ent )
static qboolean CL_ParametricMove( cl_entity_t *ent )
{
float frac, dt, t;
vec3_t delta;
@ -1279,7 +1279,10 @@ void CL_LinkPacketEntities( frame_t *frame )
if ( !CL_InterpolateModel( ent ))
continue;
}
else if( ent->curstate.movetype == MOVETYPE_STEP && !NET_IsLocalAddress( cls.netchan.remote_address ))
// a1ba: in GoldSrc this is done for cstrike and czero
// but let modders use this as an engine feature
else if( FBitSet( host.features, ENGINE_STEP_POSHISTORY_LERP ) &&
ent->curstate.movetype == MOVETYPE_STEP && !NET_IsLocalAddress( cls.netchan.remote_address ))
{
if( !CL_InterpolateModel( ent ))
continue;