OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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replace naive interpolation logic with more exact logic

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This commit is contained in:
Ricardo Luís Vaz Silva 2024-09-10 23:10:08 -03:00
commit 17d7006d72
3 changed files with 29 additions and 20 deletions
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33
src/r_data/models.cpp
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@ -258,7 +258,7 @@ void RenderHUDModel(FModelRenderer *renderer, DPSprite *psp, FVector3 translatio
renderer->EndDrawHUDModel(playermo->RenderStyle, smf_flags);
}
double getCurrentFrame(const AnimOverride &anim, double tic)
double getCurrentFrame(const AnimOverride &anim, double tic, bool *looped)
{
if(anim.framerate <= 0) return anim.startFrame;
@ -268,6 +268,7 @@ double getCurrentFrame(const AnimOverride &anim, double tic)
if((anim.flags & ANIMOVERRIDE_LOOP) && frame >= duration)
{
if(looped) *looped = true;
frame = frame - duration;
return fmod(frame, anim.lastFrame - anim.loopFrame) + anim.loopFrame;
}
@ -277,15 +278,26 @@ double getCurrentFrame(const AnimOverride &anim, double tic)
}
}
static void calcFrame(const AnimOverride &anim, double tic, double &inter, int &prev, int &next)
static void fixFrame(const AnimOverride &anim, double frame, double &inter, int &prev, int &next, bool looped)
{
double frame = getCurrentFrame(anim, tic);
prev = int(floor(frame));
int startFrame = (looped ? anim.startFrame : anim.loopFrame);
if(prev < startFrame) prev = anim.lastFrame;
inter = frame - prev;
next = int(ceil(frame));
if(next > anim.lastFrame) next = startFrame;
}
static void calcFrame(const AnimOverride &anim, double tic, double &inter, int &prev, int &next)
{
bool looped = false;
double frame = getCurrentFrame(anim, tic, &looped);
fixFrame(anim, frame, inter, prev, next, looped);
}
void RenderFrameModels(FModelRenderer *renderer, FLevelLocals *Level, const FSpriteModelFrame *smf, const FState *curState, const int curTics, FTranslationID translation, AActor* actor)
@ -325,17 +337,8 @@ void RenderFrameModels(FModelRenderer *renderer, FLevelLocals *Level, const FSpr
{
inter = (tic - (actor->modelData->curAnim.startTic - actor->modelData->curAnim.switchOffset)) / actor->modelData->curAnim.switchOffset;
double nextFrame = actor->modelData->curAnim.startFrame;
double prevFrame = actor->modelData->prevAnim.startFrame;
decoupled_next_prev_frame = floor(nextFrame);
decoupled_next_frame = ceil(nextFrame);
inter_next = nextFrame - floor(nextFrame);
decoupled_main_prev_frame = floor(prevFrame);
decoupled_main_frame = ceil(prevFrame);
inter_main = prevFrame - floor(prevFrame);
fixFrame(actor->modelData->curAnim, actor->modelData->curAnim.startFrame, inter_next, decoupled_next_prev_frame, decoupled_next_frame, false);
fixFrame(actor->modelData->prevAnim, actor->modelData->prevAnim.startFrame, inter_main, decoupled_main_prev_frame, decoupled_main_frame, actor->modelData->prevAnim.flags & ANIMOVERRIDE_LOOP);
}
else
{