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Voxel raycast now considers smooth voxels too

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This commit is contained in:
Marc Gilleron 2017-04-09 20:52:39 +02:00
parent 5823dfcb8c
commit f07ddb37e3
3 changed files with 26 additions and 12 deletions
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1
voxel_mesher.cpp
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@ -1,6 +1,5 @@
#include "voxel_mesher.h"
#include "voxel_library.h"
#include "voxel_mesher_smooth.h"
// The following tables respect the following conventions
//

36
voxel_terrain.cpp
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@ -423,24 +423,36 @@ void VoxelTerrain::update_block_mesh(Vector3i block_pos) {
// }
//}
static bool _raycast_binding_predicate(Vector3i pos, void *context) {
struct _VoxelTerrainRaycastContext {
VoxelTerrain & terrain;
//unsigned int channel_mask;
};
ERR_FAIL_COND_V(context == NULL, false);
VoxelTerrain * terrain = (VoxelTerrain*)context;
static bool _raycast_binding_predicate(Vector3i pos, void *context_ptr) {
Ref<VoxelLibrary> lib_ref = terrain->get_voxel_library();
ERR_FAIL_COND_V(context_ptr == NULL, false);
_VoxelTerrainRaycastContext * context = (_VoxelTerrainRaycastContext*)context_ptr;
VoxelTerrain & terrain = context->terrain;
//unsigned int channel = context->channel;
Ref<VoxelMap> map = terrain.get_map();
int v0 = map->get_voxel(pos, Voxel::CHANNEL_TYPE);
Ref<VoxelLibrary> lib_ref = terrain.get_voxel_library();
if(lib_ref.is_null())
return false;
const VoxelLibrary & lib = **lib_ref;
Ref<VoxelMap> map = terrain->get_map();
// TODO In the future we may want to query more channels
int v = map->get_voxel(pos, 0);
if(lib.has_voxel(v) == false)
if(lib.has_voxel(v0) == false)
return false;
const Voxel & voxel = lib.get_voxel_const(v);
return !voxel.is_transparent();
const Voxel & voxel = lib.get_voxel_const(v0);
if(voxel.is_transparent() == false)
return true;
int v1 = map->get_voxel(pos, Voxel::CHANNEL_ISOLEVEL);
return v1 - 128 >= 0;
}
Variant VoxelTerrain::_raycast_binding(Vector3 origin, Vector3 direction, real_t max_distance) {
@ -450,7 +462,9 @@ Variant VoxelTerrain::_raycast_binding(Vector3 origin, Vector3 direction, real_t
Vector3i hit_pos;
Vector3i prev_pos;
if(voxel_raycast(origin, direction, _raycast_binding_predicate, this, max_distance, hit_pos, prev_pos)) {
_VoxelTerrainRaycastContext context = { *this };
if(voxel_raycast(origin, direction, _raycast_binding_predicate, &context, max_distance, hit_pos, prev_pos)) {
Dictionary hit = Dictionary();
hit["position"] = hit_pos.to_vec3();

1
voxel_terrain.h
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@ -4,6 +4,7 @@
#include <scene/main/node.h>
#include "voxel_map.h"
#include "voxel_mesher.h"
#include "voxel_mesher_smooth.h"
#include "voxel_provider.h"
#include "zprofiling.h"