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add egg-vertex-membership-quantize

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This commit is contained in:
David Rose 2011-12-13 19:32:59 +00:00
parent c6cc36e604
commit de346aa4d1
3 changed files with 14 additions and 0 deletions
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8
panda/src/egg2pg/config_egg2pg.cxx
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@ -169,6 +169,14 @@ ConfigVariableBool egg_preload_simple_textures
"fact, the egg loader will generate simple texture images if "
"either this or preload-simple-textures is true."));
ConfigVariableDouble egg_vertex_membership_quantize
("egg-vertex-membership-quantize", 0.01,
PRC_DESC("Specifies the nearest amount to round each vertex joint "
"membership value when loading an egg file. This affects animated "
"egg files only. There is a substantial runtime "
"performance advantage for reducing trivial differences in joint "
"membership. Set this to 0 to leave joint membership as it is."));
ConfigureFn(config_egg2pg) {
init_libegg2pg();
}

1
panda/src/egg2pg/config_egg2pg.h
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@ -52,6 +52,7 @@ extern EXPCL_PANDAEGG ConfigVariableInt egg_max_vertices;
extern EXPCL_PANDAEGG ConfigVariableInt egg_max_indices;
extern EXPCL_PANDAEGG ConfigVariableBool egg_emulate_bface;
extern EXPCL_PANDAEGG ConfigVariableBool egg_preload_simple_textures;
extern EXPCL_PANDAEGG ConfigVariableDouble egg_vertex_membership_quantize;
extern EXPCL_PANDAEGG void init_libegg2pg();

5
panda/src/egg2pg/eggLoader.cxx
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@ -93,6 +93,7 @@
#include "thread.h"
#include "uvScrollNode.h"
#include "textureStagePool.h"
#include "cmath.h"
#include <ctype.h>
#include <algorithm>
@ -2487,10 +2488,14 @@ make_vertex_data(const EggRenderState *render_state,
} else {
// If the vertex does have an explicit membership, ignore its
// parentage and assign it where it wants to be.
double quantize = egg_vertex_membership_quantize;
EggVertex::GroupRef::const_iterator gri;
for (gri = vertex->gref_begin(); gri != vertex->gref_end(); ++gri) {
EggGroup *egg_joint = (*gri);
double membership = egg_joint->get_vertex_membership(vertex);
if (quantize != 0.0) {
membership = cfloor(membership / quantize + 0.5) * quantize;
}
PT(VertexTransform) vt = character_maker->egg_to_transform(egg_joint);
nassertr(vt != (VertexTransform *)NULL, vertex_data);