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Use vertices with tangents only when its needed.

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This commit is contained in:
RealBadAngel 2016-02-12 12:25:20 +01:00 committed by paramat
parent 3a74b84007
commit 7ea40e45b1
4 changed files with 131 additions and 67 deletions
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6
src/client.cpp
View File

@ -263,6 +263,9 @@ Client::Client(
m_cache_smooth_lighting = g_settings->getBool("smooth_lighting");
m_cache_enable_shaders = g_settings->getBool("enable_shaders");
m_cache_use_tangent_vertices = m_cache_enable_shaders && (
g_settings->getBool("enable_bumpmapping") ||
g_settings->getBool("enable_parallax_occlusion"));
}
void Client::Stop()
@ -1582,7 +1585,8 @@ void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
Create a task to update the mesh of the block
*/
MeshMakeData *data = new MeshMakeData(this, m_cache_enable_shaders);
MeshMakeData *data = new MeshMakeData(this, m_cache_enable_shaders,
m_cache_use_tangent_vertices);
{
//TimeTaker timer("data fill");

1
src/client.h
View File

@ -677,6 +677,7 @@ private:
// TODO: Add callback to update these when g_settings changes
bool m_cache_smooth_lighting;
bool m_cache_enable_shaders;
bool m_cache_use_tangent_vertices;
DISABLE_CLASS_COPY(Client);
};

146
src/mapblock_mesh.cpp
View File

@ -33,7 +33,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "util/directiontables.h"
#include <IMeshManipulator.h>
static void applyFacesShading(video::SColor& color, float factor)
static void applyFacesShading(video::SColor &color, const float factor)
{
color.setRed(core::clamp(core::round32(color.getRed() * factor), 0, 255));
color.setGreen(core::clamp(core::round32(color.getGreen() * factor), 0, 255));
@ -43,14 +43,16 @@ static void applyFacesShading(video::SColor& color, float factor)
MeshMakeData
*/
MeshMakeData::MeshMakeData(IGameDef *gamedef, bool use_shaders):
MeshMakeData::MeshMakeData(IGameDef *gamedef, bool use_shaders,
bool use_tangent_vertices):
m_vmanip(),
m_blockpos(-1337,-1337,-1337),
m_crack_pos_relative(-1337, -1337, -1337),
m_smooth_lighting(false),
m_show_hud(false),
m_gamedef(gamedef),
m_use_shaders(use_shaders)
m_use_shaders(use_shaders),
m_use_tangent_vertices(use_tangent_vertices)
{}
void MeshMakeData::fill(MapBlock *block)
@ -1032,6 +1034,7 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
m_daynight_diffs()
{
m_enable_shaders = data->m_use_shaders;
m_use_tangent_vertices = data->m_use_tangent_vertices;
if (g_settings->getBool("enable_minimap")) {
m_minimap_mapblock = new MinimapMapblock;
@ -1064,15 +1067,14 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
Convert FastFaces to MeshCollector
*/
MeshCollector collector;
MeshCollector collector(m_use_tangent_vertices);
{
// avg 0ms (100ms spikes when loading textures the first time)
// (NOTE: probably outdated)
//TimeTaker timer2("MeshCollector building");
for(u32 i=0; i<fastfaces_new.size(); i++)
{
for (u32 i = 0; i < fastfaces_new.size(); i++) {
FastFace &f = fastfaces_new[i];
const u16 indices[] = {0,1,2,2,3,0};
@ -1150,37 +1152,45 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
p.tile.texture = animation_frame.texture;
}
for(u32 j = 0; j < p.vertices.size(); j++)
{
video::S3DVertex *vertex = &p.vertices[j];
u32 vertex_count = m_use_tangent_vertices ?
p.tangent_vertices.size() : p.vertices.size();
for (u32 j = 0; j < vertex_count; j++) {
v3f *Normal;
video::SColor *vc;
if (m_use_tangent_vertices) {
vc = &p.tangent_vertices[j].Color;
Normal = &p.tangent_vertices[j].Normal;
} else {
vc = &p.vertices[j].Color;
Normal = &p.vertices[j].Normal;
}
// Note applyFacesShading second parameter is precalculated sqrt
// value for speed improvement
// Skip it for lightsources and top faces.
video::SColor &vc = vertex->Color;
if (!vc.getBlue()) {
if (vertex->Normal.Y < -0.5) {
applyFacesShading (vc, 0.447213);
} else if (vertex->Normal.X > 0.5) {
applyFacesShading (vc, 0.670820);
} else if (vertex->Normal.X < -0.5) {
applyFacesShading (vc, 0.670820);
} else if (vertex->Normal.Z > 0.5) {
applyFacesShading (vc, 0.836660);
} else if (vertex->Normal.Z < -0.5) {
applyFacesShading (vc, 0.836660);
if (!vc->getBlue()) {
if (Normal->Y < -0.5) {
applyFacesShading(*vc, 0.447213);
} else if (Normal->X > 0.5) {
applyFacesShading(*vc, 0.670820);
} else if (Normal->X < -0.5) {
applyFacesShading(*vc, 0.670820);
} else if (Normal->Z > 0.5) {
applyFacesShading(*vc, 0.836660);
} else if (Normal->Z < -0.5) {
applyFacesShading(*vc, 0.836660);
}
}
if(!m_enable_shaders)
{
if (!m_enable_shaders) {
// - Classic lighting (shaders handle this by themselves)
// Set initial real color and store for later updates
u8 day = vc.getRed();
u8 night = vc.getGreen();
finalColorBlend(vc, day, night, 1000);
if(day != night)
u8 day = vc->getRed();
u8 night = vc->getGreen();
finalColorBlend(*vc, day, night, 1000);
if (day != night) {
m_daynight_diffs[i][j] = std::make_pair(day, night);
}
}
}
// Create material
video::SMaterial material;
@ -1201,31 +1211,43 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
p.tile.applyMaterialOptions(material);
}
// Create meshbuffer
scene::SMesh *mesh = (scene::SMesh *)m_mesh;
// Create meshbuffer, add to mesh
if (m_use_tangent_vertices) {
scene::SMeshBufferTangents *buf = new scene::SMeshBufferTangents();
// Set material
buf->Material = material;
// Add to mesh
mesh->addMeshBuffer(buf);
// Mesh grabbed it
buf->drop();
buf->append(&p.tangent_vertices[0], p.tangent_vertices.size(),
&p.indices[0], p.indices.size());
} else {
scene::SMeshBuffer *buf = new scene::SMeshBuffer();
// Set material
buf->Material = material;
// Add to mesh
scene::SMesh *mesh = (scene::SMesh *)m_mesh;
mesh->addMeshBuffer(buf);
// Mesh grabbed it
buf->drop();
buf->append(&p.vertices[0], p.vertices.size(),
&p.indices[0], p.indices.size());
}
m_camera_offset = camera_offset;
}
/*
Do some stuff to the mesh
*/
m_camera_offset = camera_offset;
translateMesh(m_mesh,
intToFloat(data->m_blockpos * MAP_BLOCKSIZE - camera_offset, BS));
translateMesh(m_mesh, intToFloat(data->m_blockpos * MAP_BLOCKSIZE - camera_offset, BS));
if (m_enable_shaders) {
scene::IMeshManipulator* meshmanip = m_gamedef->getSceneManager()->getMeshManipulator();
scene::IMesh* tangentMesh = meshmanip->createMeshWithTangents(m_mesh);
m_mesh->drop();
m_mesh = tangentMesh;
if (m_use_tangent_vertices) {
scene::IMeshManipulator* meshmanip =
m_gamedef->getSceneManager()->getMeshManipulator();
meshmanip->recalculateTangents(m_mesh, true, false, false);
}
if (m_mesh)
@ -1400,12 +1422,18 @@ void MeshCollector::append(const TileSpec &tile,
p = &prebuffers[prebuffers.size() - 1];
}
u32 vertex_count = p->vertices.size();
for (u32 i = 0; i < numIndices; i++) {
u32 j = indices[i] + vertex_count;
p->indices.push_back(j);
u32 vertex_count;
if (m_use_tangent_vertices) {
vertex_count = p->tangent_vertices.size();
p->tangent_vertices.reserve(vertex_count + numVertices);
for (u32 i = 0; i < numVertices; i++) {
video::S3DVertexTangents vert(vertices[i].Pos, vertices[i].Normal,
vertices[i].Color, vertices[i].TCoords);
p->tangent_vertices.push_back(vert);
}
} else {
vertex_count = p->vertices.size();
p->vertices.reserve(vertex_count + numVertices);
for (u32 i = 0; i < numVertices; i++) {
video::S3DVertex vert(vertices[i].Pos, vertices[i].Normal,
vertices[i].Color, vertices[i].TCoords);
@ -1413,6 +1441,13 @@ void MeshCollector::append(const TileSpec &tile,
}
}
p->indices.reserve(p->indices.size() + numIndices);
for (u32 i = 0; i < numIndices; i++) {
u32 j = indices[i] + vertex_count;
p->indices.push_back(j);
}
}
/*
MeshCollector - for meshnodes and converted drawtypes.
*/
@ -1446,15 +1481,28 @@ void MeshCollector::append(const TileSpec &tile,
p = &prebuffers[prebuffers.size() - 1];
}
u32 vertex_count = p->vertices.size();
u32 vertex_count;
if (m_use_tangent_vertices) {
vertex_count = p->tangent_vertices.size();
p->tangent_vertices.reserve(vertex_count + numVertices);
for (u32 i = 0; i < numVertices; i++) {
video::S3DVertexTangents vert(vertices[i].Pos + pos,
vertices[i].Normal, c, vertices[i].TCoords);
p->tangent_vertices.push_back(vert);
}
} else {
vertex_count = p->vertices.size();
p->vertices.reserve(vertex_count + numVertices);
for (u32 i = 0; i < numVertices; i++) {
video::S3DVertex vert(vertices[i].Pos + pos,
vertices[i].Normal, c, vertices[i].TCoords);
p->vertices.push_back(vert);
}
}
p->indices.reserve(p->indices.size() + numIndices);
for (u32 i = 0; i < numIndices; i++) {
u32 j = indices[i] + vertex_count;
p->indices.push_back(j);
}
for (u32 i = 0; i < numVertices; i++) {
video::S3DVertex vert(vertices[i].Pos + pos, vertices[i].Normal,
c, vertices[i].TCoords);
p->vertices.push_back(vert);
}
}

13
src/mapblock_mesh.h
View File

@ -46,8 +46,10 @@ struct MeshMakeData
IGameDef *m_gamedef;
bool m_use_shaders;
bool m_use_tangent_vertices;
MeshMakeData(IGameDef *gamedef, bool use_shaders);
MeshMakeData(IGameDef *gamedef, bool use_shaders,
bool use_tangent_vertices = false);
/*
Copy central data directly from block, and other data from
@ -130,6 +132,7 @@ private:
IShaderSource *m_shdrsrc;
bool m_enable_shaders;
bool m_use_tangent_vertices;
// Must animate() be called before rendering?
bool m_has_animation;
@ -167,11 +170,19 @@ struct PreMeshBuffer
TileSpec tile;
std::vector<u16> indices;
std::vector<video::S3DVertex> vertices;
std::vector<video::S3DVertexTangents> tangent_vertices;
};
struct MeshCollector
{
std::vector<PreMeshBuffer> prebuffers;
bool m_use_tangent_vertices;
MeshCollector(bool use_tangent_vertices):
m_use_tangent_vertices(use_tangent_vertices)
{
}
void append(const TileSpec &material,
const video::S3DVertex *vertices, u32 numVertices,
const u16 *indices, u32 numIndices);