mirror of
https://github.com/minetest/minetest.git
synced 2024-11-09 01:03:46 +01:00
399 lines
9.8 KiB
C++
399 lines
9.8 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
|
|
// This file is part of the "Irrlicht Engine".
|
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
|
|
|
#pragma once
|
|
|
|
#include "IMeshBuffer.h"
|
|
#include "S3DVertex.h"
|
|
|
|
namespace irr
|
|
{
|
|
namespace scene
|
|
{
|
|
|
|
//! A mesh buffer able to choose between S3DVertex2TCoords, S3DVertex and S3DVertexTangents at runtime
|
|
struct SSkinMeshBuffer : public IMeshBuffer
|
|
{
|
|
//! Default constructor
|
|
SSkinMeshBuffer(video::E_VERTEX_TYPE vt = video::EVT_STANDARD) :
|
|
ChangedID_Vertex(1), ChangedID_Index(1), VertexType(vt),
|
|
PrimitiveType(EPT_TRIANGLES),
|
|
MappingHint_Vertex(EHM_NEVER), MappingHint_Index(EHM_NEVER),
|
|
HWBuffer(NULL),
|
|
BoundingBoxNeedsRecalculated(true)
|
|
{
|
|
#ifdef _DEBUG
|
|
setDebugName("SSkinMeshBuffer");
|
|
#endif
|
|
}
|
|
|
|
//! Get Material of this buffer.
|
|
const video::SMaterial &getMaterial() const override
|
|
{
|
|
return Material;
|
|
}
|
|
|
|
//! Get Material of this buffer.
|
|
video::SMaterial &getMaterial() override
|
|
{
|
|
return Material;
|
|
}
|
|
|
|
//! Get standard vertex at given index
|
|
virtual video::S3DVertex *getVertex(u32 index)
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return (video::S3DVertex *)&Vertices_2TCoords[index];
|
|
case video::EVT_TANGENTS:
|
|
return (video::S3DVertex *)&Vertices_Tangents[index];
|
|
default:
|
|
return &Vertices_Standard[index];
|
|
}
|
|
}
|
|
|
|
//! Get pointer to vertex array
|
|
const void *getVertices() const override
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return Vertices_2TCoords.const_pointer();
|
|
case video::EVT_TANGENTS:
|
|
return Vertices_Tangents.const_pointer();
|
|
default:
|
|
return Vertices_Standard.const_pointer();
|
|
}
|
|
}
|
|
|
|
//! Get pointer to vertex array
|
|
void *getVertices() override
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return Vertices_2TCoords.pointer();
|
|
case video::EVT_TANGENTS:
|
|
return Vertices_Tangents.pointer();
|
|
default:
|
|
return Vertices_Standard.pointer();
|
|
}
|
|
}
|
|
|
|
//! Get vertex count
|
|
u32 getVertexCount() const override
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return Vertices_2TCoords.size();
|
|
case video::EVT_TANGENTS:
|
|
return Vertices_Tangents.size();
|
|
default:
|
|
return Vertices_Standard.size();
|
|
}
|
|
}
|
|
|
|
//! Get type of index data which is stored in this meshbuffer.
|
|
/** \return Index type of this buffer. */
|
|
video::E_INDEX_TYPE getIndexType() const override
|
|
{
|
|
return video::EIT_16BIT;
|
|
}
|
|
|
|
//! Get pointer to index array
|
|
const u16 *getIndices() const override
|
|
{
|
|
return Indices.const_pointer();
|
|
}
|
|
|
|
//! Get pointer to index array
|
|
u16 *getIndices() override
|
|
{
|
|
return Indices.pointer();
|
|
}
|
|
|
|
//! Get index count
|
|
u32 getIndexCount() const override
|
|
{
|
|
return Indices.size();
|
|
}
|
|
|
|
//! Get bounding box
|
|
const core::aabbox3d<f32> &getBoundingBox() const override
|
|
{
|
|
return BoundingBox;
|
|
}
|
|
|
|
//! Set bounding box
|
|
void setBoundingBox(const core::aabbox3df &box) override
|
|
{
|
|
BoundingBox = box;
|
|
}
|
|
|
|
//! Recalculate bounding box
|
|
void recalculateBoundingBox() override
|
|
{
|
|
if (!BoundingBoxNeedsRecalculated)
|
|
return;
|
|
|
|
BoundingBoxNeedsRecalculated = false;
|
|
|
|
switch (VertexType) {
|
|
case video::EVT_STANDARD: {
|
|
if (Vertices_Standard.empty())
|
|
BoundingBox.reset(0, 0, 0);
|
|
else {
|
|
BoundingBox.reset(Vertices_Standard[0].Pos);
|
|
for (u32 i = 1; i < Vertices_Standard.size(); ++i)
|
|
BoundingBox.addInternalPoint(Vertices_Standard[i].Pos);
|
|
}
|
|
break;
|
|
}
|
|
case video::EVT_2TCOORDS: {
|
|
if (Vertices_2TCoords.empty())
|
|
BoundingBox.reset(0, 0, 0);
|
|
else {
|
|
BoundingBox.reset(Vertices_2TCoords[0].Pos);
|
|
for (u32 i = 1; i < Vertices_2TCoords.size(); ++i)
|
|
BoundingBox.addInternalPoint(Vertices_2TCoords[i].Pos);
|
|
}
|
|
break;
|
|
}
|
|
case video::EVT_TANGENTS: {
|
|
if (Vertices_Tangents.empty())
|
|
BoundingBox.reset(0, 0, 0);
|
|
else {
|
|
BoundingBox.reset(Vertices_Tangents[0].Pos);
|
|
for (u32 i = 1; i < Vertices_Tangents.size(); ++i)
|
|
BoundingBox.addInternalPoint(Vertices_Tangents[i].Pos);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//! Get vertex type
|
|
video::E_VERTEX_TYPE getVertexType() const override
|
|
{
|
|
return VertexType;
|
|
}
|
|
|
|
//! Convert to 2tcoords vertex type
|
|
void convertTo2TCoords()
|
|
{
|
|
if (VertexType == video::EVT_STANDARD) {
|
|
for (u32 n = 0; n < Vertices_Standard.size(); ++n) {
|
|
video::S3DVertex2TCoords Vertex;
|
|
Vertex.Color = Vertices_Standard[n].Color;
|
|
Vertex.Pos = Vertices_Standard[n].Pos;
|
|
Vertex.Normal = Vertices_Standard[n].Normal;
|
|
Vertex.TCoords = Vertices_Standard[n].TCoords;
|
|
Vertices_2TCoords.push_back(Vertex);
|
|
}
|
|
Vertices_Standard.clear();
|
|
VertexType = video::EVT_2TCOORDS;
|
|
}
|
|
}
|
|
|
|
//! Convert to tangents vertex type
|
|
void convertToTangents()
|
|
{
|
|
if (VertexType == video::EVT_STANDARD) {
|
|
for (u32 n = 0; n < Vertices_Standard.size(); ++n) {
|
|
video::S3DVertexTangents Vertex;
|
|
Vertex.Color = Vertices_Standard[n].Color;
|
|
Vertex.Pos = Vertices_Standard[n].Pos;
|
|
Vertex.Normal = Vertices_Standard[n].Normal;
|
|
Vertex.TCoords = Vertices_Standard[n].TCoords;
|
|
Vertices_Tangents.push_back(Vertex);
|
|
}
|
|
Vertices_Standard.clear();
|
|
VertexType = video::EVT_TANGENTS;
|
|
} else if (VertexType == video::EVT_2TCOORDS) {
|
|
for (u32 n = 0; n < Vertices_2TCoords.size(); ++n) {
|
|
video::S3DVertexTangents Vertex;
|
|
Vertex.Color = Vertices_2TCoords[n].Color;
|
|
Vertex.Pos = Vertices_2TCoords[n].Pos;
|
|
Vertex.Normal = Vertices_2TCoords[n].Normal;
|
|
Vertex.TCoords = Vertices_2TCoords[n].TCoords;
|
|
Vertices_Tangents.push_back(Vertex);
|
|
}
|
|
Vertices_2TCoords.clear();
|
|
VertexType = video::EVT_TANGENTS;
|
|
}
|
|
}
|
|
|
|
//! returns position of vertex i
|
|
const core::vector3df &getPosition(u32 i) const override
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return Vertices_2TCoords[i].Pos;
|
|
case video::EVT_TANGENTS:
|
|
return Vertices_Tangents[i].Pos;
|
|
default:
|
|
return Vertices_Standard[i].Pos;
|
|
}
|
|
}
|
|
|
|
//! returns position of vertex i
|
|
core::vector3df &getPosition(u32 i) override
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return Vertices_2TCoords[i].Pos;
|
|
case video::EVT_TANGENTS:
|
|
return Vertices_Tangents[i].Pos;
|
|
default:
|
|
return Vertices_Standard[i].Pos;
|
|
}
|
|
}
|
|
|
|
//! returns normal of vertex i
|
|
const core::vector3df &getNormal(u32 i) const override
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return Vertices_2TCoords[i].Normal;
|
|
case video::EVT_TANGENTS:
|
|
return Vertices_Tangents[i].Normal;
|
|
default:
|
|
return Vertices_Standard[i].Normal;
|
|
}
|
|
}
|
|
|
|
//! returns normal of vertex i
|
|
core::vector3df &getNormal(u32 i) override
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return Vertices_2TCoords[i].Normal;
|
|
case video::EVT_TANGENTS:
|
|
return Vertices_Tangents[i].Normal;
|
|
default:
|
|
return Vertices_Standard[i].Normal;
|
|
}
|
|
}
|
|
|
|
//! returns texture coords of vertex i
|
|
const core::vector2df &getTCoords(u32 i) const override
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return Vertices_2TCoords[i].TCoords;
|
|
case video::EVT_TANGENTS:
|
|
return Vertices_Tangents[i].TCoords;
|
|
default:
|
|
return Vertices_Standard[i].TCoords;
|
|
}
|
|
}
|
|
|
|
//! returns texture coords of vertex i
|
|
core::vector2df &getTCoords(u32 i) override
|
|
{
|
|
switch (VertexType) {
|
|
case video::EVT_2TCOORDS:
|
|
return Vertices_2TCoords[i].TCoords;
|
|
case video::EVT_TANGENTS:
|
|
return Vertices_Tangents[i].TCoords;
|
|
default:
|
|
return Vertices_Standard[i].TCoords;
|
|
}
|
|
}
|
|
|
|
//! append the vertices and indices to the current buffer
|
|
void append(const void *const vertices, u32 numVertices, const u16 *const indices, u32 numIndices) override {}
|
|
|
|
//! get the current hardware mapping hint for vertex buffers
|
|
E_HARDWARE_MAPPING getHardwareMappingHint_Vertex() const override
|
|
{
|
|
return MappingHint_Vertex;
|
|
}
|
|
|
|
//! get the current hardware mapping hint for index buffers
|
|
E_HARDWARE_MAPPING getHardwareMappingHint_Index() const override
|
|
{
|
|
return MappingHint_Index;
|
|
}
|
|
|
|
//! set the hardware mapping hint, for driver
|
|
void setHardwareMappingHint(E_HARDWARE_MAPPING NewMappingHint, E_BUFFER_TYPE Buffer = EBT_VERTEX_AND_INDEX) override
|
|
{
|
|
if (Buffer == EBT_VERTEX)
|
|
MappingHint_Vertex = NewMappingHint;
|
|
else if (Buffer == EBT_INDEX)
|
|
MappingHint_Index = NewMappingHint;
|
|
else if (Buffer == EBT_VERTEX_AND_INDEX) {
|
|
MappingHint_Vertex = NewMappingHint;
|
|
MappingHint_Index = NewMappingHint;
|
|
}
|
|
}
|
|
|
|
//! Describe what kind of primitive geometry is used by the meshbuffer
|
|
void setPrimitiveType(E_PRIMITIVE_TYPE type) override
|
|
{
|
|
PrimitiveType = type;
|
|
}
|
|
|
|
//! Get the kind of primitive geometry which is used by the meshbuffer
|
|
E_PRIMITIVE_TYPE getPrimitiveType() const override
|
|
{
|
|
return PrimitiveType;
|
|
}
|
|
|
|
//! flags the mesh as changed, reloads hardware buffers
|
|
void setDirty(E_BUFFER_TYPE Buffer = EBT_VERTEX_AND_INDEX) override
|
|
{
|
|
if (Buffer == EBT_VERTEX_AND_INDEX || Buffer == EBT_VERTEX)
|
|
++ChangedID_Vertex;
|
|
if (Buffer == EBT_VERTEX_AND_INDEX || Buffer == EBT_INDEX)
|
|
++ChangedID_Index;
|
|
}
|
|
|
|
u32 getChangedID_Vertex() const override { return ChangedID_Vertex; }
|
|
|
|
u32 getChangedID_Index() const override { return ChangedID_Index; }
|
|
|
|
void setHWBuffer(void *ptr) const override
|
|
{
|
|
HWBuffer = ptr;
|
|
}
|
|
|
|
void *getHWBuffer() const override
|
|
{
|
|
return HWBuffer;
|
|
}
|
|
|
|
//! Call this after changing the positions of any vertex.
|
|
void boundingBoxNeedsRecalculated(void) { BoundingBoxNeedsRecalculated = true; }
|
|
|
|
core::array<video::S3DVertexTangents> Vertices_Tangents;
|
|
core::array<video::S3DVertex2TCoords> Vertices_2TCoords;
|
|
core::array<video::S3DVertex> Vertices_Standard;
|
|
core::array<u16> Indices;
|
|
|
|
u32 ChangedID_Vertex;
|
|
u32 ChangedID_Index;
|
|
|
|
// ISkinnedMesh::SJoint *AttachedJoint;
|
|
core::matrix4 Transformation;
|
|
|
|
video::SMaterial Material;
|
|
video::E_VERTEX_TYPE VertexType;
|
|
|
|
core::aabbox3d<f32> BoundingBox;
|
|
|
|
//! Primitive type used for rendering (triangles, lines, ...)
|
|
E_PRIMITIVE_TYPE PrimitiveType;
|
|
|
|
// hardware mapping hint
|
|
E_HARDWARE_MAPPING MappingHint_Vertex : 3;
|
|
E_HARDWARE_MAPPING MappingHint_Index : 3;
|
|
|
|
mutable void *HWBuffer;
|
|
|
|
bool BoundingBoxNeedsRecalculated : 1;
|
|
};
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|