mirror of
https://github.com/w23/xash3d-fwgs
synced 2024-12-14 21:20:26 +01:00
104 lines
2.5 KiB
C
104 lines
2.5 KiB
C
#include "vk_studio.h"
|
|
#include "vk_common.h"
|
|
#include "vk_textures.h"
|
|
#include "vk_render.h"
|
|
#include "vk_geometry.h"
|
|
#include "camera.h"
|
|
|
|
#include "xash3d_mathlib.h"
|
|
#include "const.h"
|
|
#include "r_studioint.h"
|
|
#include "triangleapi.h"
|
|
#include "studio.h"
|
|
#include "pm_local.h"
|
|
#include "pmtrace.h"
|
|
#include "protocol.h"
|
|
#include "enginefeatures.h"
|
|
#include "pm_movevars.h"
|
|
|
|
#include <memory.h>
|
|
#include <stdlib.h>
|
|
|
|
#define PREV_STATES_COUNT 1024
|
|
#define PREV_FRAMES_COUNT 2
|
|
|
|
typedef struct {
|
|
matrix3x4 bones_worldtransform[MAXSTUDIOBONES];
|
|
matrix4x4 model_transform;
|
|
float time;
|
|
int bones_update_frame_index;
|
|
} prev_state_t;
|
|
|
|
typedef struct {
|
|
prev_state_t prev_states[PREV_FRAMES_COUNT][PREV_STATES_COUNT];
|
|
int frame_index;
|
|
int current_frame_id;
|
|
int previous_frame_id;
|
|
} prev_states_storage_t;
|
|
|
|
prev_states_storage_t g_prev = { 0 };
|
|
|
|
static inline int clampIndex( int index, int array_length )
|
|
{
|
|
if (index < 0)
|
|
return 0;
|
|
else if (index >= array_length)
|
|
return array_length - 1;
|
|
|
|
return index;
|
|
}
|
|
|
|
prev_state_t* prevStateInArrayBounds( int frame_storage_id, int entity_id )
|
|
{
|
|
int clamped_frame_id = clampIndex( frame_storage_id, PREV_FRAMES_COUNT );
|
|
int clamped_entity_id = clampIndex( entity_id, PREV_STATES_COUNT );
|
|
return &g_prev.prev_states[clamped_frame_id][clamped_entity_id];
|
|
}
|
|
|
|
#define PREV_FRAME() prevStateInArrayBounds( g_prev.previous_frame_id, entity_id )
|
|
#define CURRENT_FRAME() prevStateInArrayBounds( g_prev.current_frame_id, entity_id )
|
|
|
|
void R_PrevFrame_StartFrame( void )
|
|
{
|
|
g_prev.frame_index++;
|
|
g_prev.current_frame_id = g_prev.frame_index % PREV_FRAMES_COUNT;
|
|
g_prev.previous_frame_id = g_prev.frame_index - 1;
|
|
}
|
|
|
|
void R_PrevFrame_SaveCurrentBoneTransforms( int entity_id, matrix3x4* bones_transforms )
|
|
{
|
|
prev_state_t *state = CURRENT_FRAME();
|
|
|
|
if (state->bones_update_frame_index == g_prev.frame_index)
|
|
return; // already updated for this entity
|
|
|
|
state->bones_update_frame_index = g_prev.frame_index;
|
|
|
|
for( int i = 0; i < MAXSTUDIOBONES; i++ )
|
|
{
|
|
Matrix3x4_Copy(state->bones_worldtransform[i], bones_transforms[i]);
|
|
}
|
|
}
|
|
|
|
void R_PrevFrame_SaveCurrentState( int entity_id, matrix4x4 model_transform )
|
|
{
|
|
prev_state_t* state = CURRENT_FRAME();
|
|
Matrix4x4_Copy( state->model_transform, model_transform );
|
|
state->time = gpGlobals->time;
|
|
}
|
|
|
|
matrix3x4* R_PrevFrame_BoneTransforms( int entity_id )
|
|
{
|
|
return PREV_FRAME()->bones_worldtransform;
|
|
}
|
|
|
|
void R_PrevFrame_ModelTransform( int entity_id, matrix4x4 model_matrix )
|
|
{
|
|
Matrix4x4_Copy(model_matrix, PREV_FRAME()->model_transform);
|
|
}
|
|
|
|
float R_PrevFrame_Time( int entity_id )
|
|
{
|
|
return PREV_FRAME()->time;
|
|
}
|