Michael Fabian 'Xaymar' Dirks
108 lines
2.1 KiB
C++
108 lines
2.1 KiB
C++
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#include "std.hpp"
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#include "gxmesh.hpp"
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#include "gxgraphics.hpp"
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#include "gxruntime.hpp"
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extern gxRuntime *gx_runtime;
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gxMesh::gxMesh( gxGraphics *g,IDirect3DVertexBuffer7 *vs,WORD *is,int max_vs,int max_ts ):
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graphics(g),locked_verts(0),vertex_buff(vs),tri_indices(is),max_verts(max_vs),max_tris(max_ts),mesh_dirty(false){
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}
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gxMesh::~gxMesh(){
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unlock();
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vertex_buff->Release();
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delete[] tri_indices;
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}
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bool gxMesh::lock( bool all ){
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if( locked_verts ) return true;
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//V1.104
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//int flags=all ? DDLOCK_DISCARDCONTENTS : 0;
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//V1.105
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//int flags=all ? DDLOCK_DISCARDCONTENTS : DDLOCK_NOOVERWRITE;
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//V1.104/1.105
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//if( vertex_buff->Lock( DDLOCK_WRITEONLY|DDLOCK_WAIT|flags,(void**)&locked_verts,0 )>=0 ){
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//V1.1.06...
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int flags=DDLOCK_WAIT|DDLOCK_WRITEONLY;
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//XP or less?
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/*if( graphics->runtime->osinfo.dwMajorVersion<6 ){
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flags|=(all ? DDLOCK_DISCARDCONTENTS : DDLOCK_NOOVERWRITE);
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}*/
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if( vertex_buff->Lock( flags,(void**)&locked_verts,0 )>=0 ){
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mesh_dirty=false;
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return true;
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}
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static dxVertex *err_verts=new dxVertex[32768];
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locked_verts=err_verts;
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return true;
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}
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void gxMesh::unlock(){
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if( locked_verts ){
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vertex_buff->Unlock();
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locked_verts=0;
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}
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}
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void gxMesh::backup(){
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unlock();
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}
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void gxMesh::restore(){
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mesh_dirty=true;
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}
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/*
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void gxMesh::backup(){
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unlock();
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if( backup_verts ){
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delete[] backup_verts;
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backup_verts=0;
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}
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dxVertex *verts;
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if( vertex_buff->Lock( DDLOCK_READONLY|DDLOCK_WAIT,(void**)&verts,0 )>=0 ){
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backup_verts=new dxVertex[ max_verts ];
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memcpy( backup_verts,verts,sizeof(dxVertex)*max_verts );
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vertex_buff->Unlock();
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}
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}
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void gxMesh::restore(){
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if( !backup_verts ) return;
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dxVertex *verts;
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if( vertex_buff->Lock( DDLOCK_WRITEONLY|DDLOCK_WAIT,(void**)&verts,0 )>=0 ){
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memcpy( verts,backup_verts,sizeof(dxVertex)*max_verts );
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vertex_buff->Unlock();
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}
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delete[] backup_verts;
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backup_verts=0;
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}
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*/
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void gxMesh::render( int first_vert,int vert_cnt,int first_tri,int tri_cnt ){
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unlock();
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graphics->dir3dDev->DrawIndexedPrimitiveVB(
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D3DPT_TRIANGLELIST,
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vertex_buff,first_vert,vert_cnt,
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tri_indices+first_tri*3,tri_cnt*3,0 );
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}
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