📄 m_map.cpp
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#include "m_map.h"
CElement::CElement ()
{
m_nTex = -1;
}
CElement::~CElement ()
{
Release ();
}
BOOL CElement::Create ( LPCSTR lpFilename )
{
if ( m_nTex > -1 )
Texture_Unload ( &g_lpTex[m_nTex] );
C3Texture *tex;
if ( Texture_Load ( &tex, ( char* )lpFilename, 1 ) == -1 )
return false;
m_nTex = tex->nID;
// 创建一个平行于 xz 轴的平面
m_Vec[0].x = 0; m_Vec[0].y = 0; m_Vec[0].z = 0;
m_Vec[0].nx = 0; m_Vec[0].ny = -1; m_Vec[0].nz = 0;
m_Vec[0].u = 0; m_Vec[0].v = 0;
m_Vec[1].x = ( float )tex->Info.Width; m_Vec[1].y = 0; m_Vec[1].z = 0;
m_Vec[1].nx = 0; m_Vec[1].ny = -1; m_Vec[1].nz = 0;
m_Vec[1].u = 1; m_Vec[1].v = 0;
m_Vec[2].x = 0; m_Vec[2].y = 0; m_Vec[2].z = ( float )tex->Info.Height;
m_Vec[2].nx = 0; m_Vec[2].ny = -1; m_Vec[2].nz = 0;
m_Vec[2].u = 0; m_Vec[2].v = 1;
m_Vec[3].x = ( float )tex->Info.Width; m_Vec[3].y = 0; m_Vec[3].z = ( float )tex->Info.Height;
m_Vec[3].nx = 0; m_Vec[3].ny = -1; m_Vec[1].nz = 0;
m_Vec[3].u = 1; m_Vec[3].v = 1;
return true;
}
void CElement::Release ( void )
{
if ( m_nTex > -1 )
Texture_Unload ( &g_lpTex[m_nTex] );
}
void CElement::Prepare ( void )
{
SetRenderState ( D3DRS_ZENABLE, false );
SetRenderState ( D3DRS_ZWRITEENABLE, false );
SetRenderState ( D3DRS_SHADEMODE, D3DSHADE_FLAT );
SetRenderState ( D3DRS_DITHERENABLE, false );
SetRenderState ( D3DRS_CULLMODE, D3DCULL_NONE );
SetRenderState ( D3DRS_AMBIENTMATERIALSOURCE, D3DMCS_COLOR1 );
SetRenderState ( D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_COLOR1 );
SetRenderState ( D3DRS_SOFTWAREVERTEXPROCESSING, false );
SetTextureStageState ( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
SetTextureStageState ( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
SetTextureStageState ( 0, D3DTSS_COLOROP, D3DTOP_MODULATE );
SetTextureStageState ( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
SetTextureStageState ( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
SetTextureStageState ( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
SetTextureStageState ( 0, D3DTSS_MINFILTER, D3DTEXF_POINT );
SetTextureStageState ( 0, D3DTSS_MAGFILTER, D3DTEXF_POINT );
SetTextureStageState ( 0, D3DTSS_MIPFILTER, D3DTEXF_POINT );
SetTextureStageState ( 1, D3DTSS_COLORARG1, D3DTA_TEXTURE );
SetTextureStageState ( 1, D3DTSS_COLORARG2, D3DTA_CURRENT );
SetTextureStageState ( 1, D3DTSS_COLOROP, D3DTOP_DISABLE );
SetTextureStageState ( 1, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
SetTextureStageState ( 1, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
SetTextureStageState ( 1, D3DTSS_ALPHAOP, D3DTOP_DISABLE );
SetTextureStageState ( 1, D3DTSS_MINFILTER, D3DTEXF_NONE );
SetTextureStageState ( 1, D3DTSS_MAGFILTER, D3DTEXF_NONE );
SetTextureStageState ( 1, D3DTSS_MIPFILTER, D3DTEXF_NONE );
// mode
CMyBitmap::s_nShowMode =modeElement;
}
BOOL CElement::Draw ( int nOffsetX, int nOffsetY )
{
if (CMyBitmap::s_nShowMode != modeElement)
CElement::Prepare();
if ( g_lpTex[m_nTex]->Info.Format == D3DFMT_A8R8G8B8 ||
g_lpTex[m_nTex]->Info.Format == D3DFMT_A1R5G5B5 ||
g_lpTex[m_nTex]->Info.Format == D3DFMT_A4R4G4B4 ||
g_lpTex[m_nTex]->Info.Format == D3DFMT_A8 ||
g_lpTex[m_nTex]->Info.Format == D3DFMT_A8R3G3B2 )
{
SetRenderState ( D3DRS_ALPHABLENDENABLE, true );
SetRenderState ( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA );
SetRenderState ( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
SetRenderState ( D3DRS_ALPHATESTENABLE, true );
SetRenderState ( D3DRS_ALPHAREF, 0x08 );
SetRenderState ( D3DRS_ALPHAFUNC, D3DCMP_GREATEREQUAL );
}
else
{
SetRenderState ( D3DRS_ALPHABLENDENABLE, false );
SetRenderState ( D3DRS_ALPHATESTENABLE, false );
}
// 当前贴图
if ( FAILED ( g_D3DDevice->SetTexture ( 0, g_lpTex[m_nTex]->lpTex ) ) )
return false;
D3DXMATRIXA16 matrix;
D3DXMatrixTranslation ( &matrix, ( float )nOffsetX, 0, ( float )nOffsetY );
if ( FAILED ( g_D3DDevice->SetTransform ( D3DTS_WORLD,
&matrix ) ) )
return false;
// vertex shader
if ( FAILED ( g_D3DDevice->SetVertexShader ( MAP_VERTEX ) ) )
return false;
// 绘制场景
if ( FAILED ( g_D3DDevice->DrawPrimitiveUP ( D3DPT_TRIANGLESTRIP,
2,
m_Vec,
sizeof ( MAPVERTEX ) ) ) )
return false;
return true;
}
void CElement::GetSize (UINT& uWidth, UINT& uHeight)
{
if (!g_lpTex[m_nTex])
return;
uWidth =g_lpTex[m_nTex]->Info.Width;
uHeight =g_lpTex[m_nTex]->Info.Height;
}
CMapBackground::CMapBackground ()
{
lpElement = 0;
m_dwXBlock = 0;
m_dwYBlock = 0;
m_Coordinate.x = 0;
m_Coordinate.y = 0;
m_camera = 0;
}
CMapBackground::~CMapBackground ()
{
Release ();
}
void CMapBackground::GetSize (UINT& uWidth, UINT& uHeight)
{
if (!lpElement)
return;
UINT uElementWidth, uElementHeight;
lpElement[0].GetSize(uElementWidth, uElementHeight);
uWidth =uElementWidth*m_dwXBlock;
uHeight =uElementHeight*m_dwYBlock;
}
BOOL CMapBackground::Create ( const char* pszDir, DWORD dwXBlock, DWORD dwYBlock )
{
lpElement = new CElement[dwXBlock * dwYBlock];
char name[256];
for ( DWORD n = 0; n < dwXBlock * dwYBlock; n++ )
{
sprintf ( name, "%s/%02d.dds", pszDir, n );
if ( !lpElement[n].Create ( name ) )
return false;
}
m_dwXBlock = dwXBlock;
m_dwYBlock = dwYBlock;
m_camera = new C3Camera;
Camera_Clear ( m_camera );
m_camera->lpFrom = new D3DXVECTOR3[1];
m_camera->lpFrom[0].x = _SCR_WIDTH/2;
m_camera->lpFrom[0].y = -1000;
m_camera->lpFrom[0].z = _SCR_HEIGHT/2;
m_camera->lpTo = new D3DXVECTOR3[1];
m_camera->lpTo[0].x = _SCR_WIDTH/2;
m_camera->lpTo[0].y = 0;
m_camera->lpTo[0].z = _SCR_HEIGHT/2;
m_camera->fNear = 1.0f;
m_camera->fFar = 10000.0f;
return true;
}
void CMapBackground::Release ( void )
{
for ( DWORD n = 0; n < m_dwXBlock * m_dwYBlock; n++ )
lpElement[n].Release ();
if ( m_camera )
{
SafeDeleteEx ( m_camera->lpFrom );
SafeDeleteEx ( m_camera->lpTo );
SafeDelete ( m_camera );
}
}
void CMapBackground::SetViewport ( int nX, int nY )
{
m_Coordinate.x = nX;
m_Coordinate.y = nY;
m_camera->lpFrom[0].x = _SCR_WIDTH/2 + ( float )nX;
m_camera->lpFrom[0].z = _SCR_HEIGHT/2 + ( float )nY;
m_camera->lpTo[0].x = _SCR_WIDTH/2 + ( float )nX;
m_camera->lpTo[0].z = _SCR_HEIGHT/2 + ( float )nY;
}
void CMapBackground::Prepare ( void )
{
CElement::Prepare ();
}
void CMapBackground::Draw ( void )
{
Camera_BuildView ( m_camera, true );
Camera_BuildOrtho ( m_camera, _SCR_WIDTH, _SCR_HEIGHT, true );
//Camera_BuildProject ( m_camera, true );
//Camera_BuildMix ( m_camera );
// 画地图
// 得到左上的所在格子 g_dwXTitles * g_dwYTitles
int sbx = m_Coordinate.x / 256;
int sby = m_Coordinate.y / 256;
int ebx = ( m_Coordinate.x + _SCR_WIDTH ) / 256;
int eby = ( m_Coordinate.y + _SCR_HEIGHT ) / 256;
RECT mode = { 0, 0, _SCR_WIDTH, _SCR_HEIGHT };
RECT bb = { 0, 0, 255, 255 };
for ( int y = sby; y <= eby; y++ )
{
for ( int x = sbx; x <= ebx; x++ )
{
if ( y < 0 || x < 0 || y >= m_dwYBlock || x >= m_dwXBlock )
continue;
lpElement[y * m_dwXBlock + x].Draw ( x * 256, y * 256 );
}
}
}
/*CMapBackground::CMapBackground ()
{
m_lpElement = 0;
m_dwXBlock = 0;
m_dwYBlock = 0;
m_Coordinate.x = 0;
m_Coordinate.y = 0;
m_camera = 0;
}
CMapBackground::~CMapBackground ()
{
Release ();
}
BOOL CMapBackground::Create ( DWORD dwXBlock, DWORD dwYBlock )
{
m_lpElement = new CMyBitmap[dwXBlock * dwYBlock];
char name[256];
for ( DWORD n = 0; n < dwXBlock * dwYBlock; n++ )
{
sprintf ( name, "%d.dds", n + 1 );
if ( !m_lpElement[n].Load ( name ) )
return false;
}
m_dwXBlock = dwXBlock;
m_dwYBlock = dwYBlock;
m_camera = new C3Camera;
Camera_Clear ( m_camera );
m_camera->lpFrom = new D3DXVECTOR3[1];
m_camera->lpFrom[0].x = 400;
m_camera->lpFrom[0].y = -1000;
m_camera->lpFrom[0].z = 300;
m_camera->lpTo = new D3DXVECTOR3[1];
m_camera->lpTo[0].x = 400;
m_camera->lpTo[0].y = 0;
m_camera->lpTo[0].z = 300;
m_camera->fNear = 1.0f;
m_camera->fFar = 10000.0f;
return true;
}
void CMapBackground::Release ( void )
{
for ( DWORD n = 0; n < m_dwXBlock * m_dwYBlock; n++ )
m_lpElement[n].Destroy ();
if ( m_camera )
{
SafeDeleteEx ( m_camera->lpFrom );
SafeDeleteEx ( m_camera->lpTo );
SafeDelete ( m_camera );
}
}
void CMapBackground::SetPos ( int nX, int nY )
{
m_Coordinate.x = nX;
m_Coordinate.y = nY;
m_camera->lpFrom[0].x = 400 + ( float )nX;
m_camera->lpFrom[0].z = 300 + ( float )nY;
m_camera->lpTo[0].x = 400 + ( float )nX;
m_camera->lpTo[0].z = 300 + ( float )nY;
}
void CMapBackground::Prepare ( void )
{
SetRenderState ( D3DRS_ZENABLE, false );
SetRenderState ( D3DRS_ZWRITEENABLE, true );
SetRenderState ( D3DRS_SHADEMODE, D3DSHADE_FLAT );
SetRenderState ( D3DRS_DITHERENABLE, false );
SetRenderState ( D3DRS_CULLMODE, D3DCULL_NONE );
SetRenderState ( D3DRS_AMBIENTMATERIALSOURCE, D3DMCS_COLOR1 );
SetRenderState ( D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_COLOR1 );
SetTextureStageState ( 0, D3DTSS_COLORARG1, D3DTA_DIFFUSE );
SetTextureStageState ( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
SetTextureStageState ( 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1 );
SetTextureStageState ( 0, D3DTSS_ALPHAARG1, D3DTA_DIFFUSE );
SetTextureStageState ( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
SetTextureStageState ( 0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG2 );
SetTextureStageState ( 0, D3DTSS_MINFILTER, D3DTEXF_LINEAR );
SetTextureStageState ( 0, D3DTSS_MAGFILTER, D3DTEXF_LINEAR );
SetTextureStageState ( 0, D3DTSS_MIPFILTER, D3DTEXF_LINEAR );
SetTextureStageState ( 1, D3DTSS_COLORARG1, D3DTA_TEXTURE );
SetTextureStageState ( 1, D3DTSS_COLORARG2, D3DTA_CURRENT );
SetTextureStageState ( 1, D3DTSS_COLOROP, D3DTOP_DISABLE );
SetTextureStageState ( 1, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
SetTextureStageState ( 1, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
SetTextureStageState ( 1, D3DTSS_ALPHAOP, D3DTOP_DISABLE );
SetTextureStageState ( 1, D3DTSS_MINFILTER, D3DTEXF_NONE );
SetTextureStageState ( 1, D3DTSS_MAGFILTER, D3DTEXF_NONE );
SetTextureStageState ( 1, D3DTSS_MIPFILTER, D3DTEXF_NONE );
}
void CMapBackground::Draw ( void )
{
Camera_BuildView ( m_camera, true );
Camera_BuildOrtho ( m_camera, 800, 600, true );
Camera_BuildMix ( m_camera );
// 画地图
CMyBitmap::PrepareSprite ();
// 得到左上的所在格子 g_dwXTitles * g_dwYTitles
int sbx = m_Coordinate.x / 256;
int sby = m_Coordinate.y / 256;
int ebx = ( m_Coordinate.x + 800 ) / 256;
int eby = ( m_Coordinate.y + 600 ) / 256;
RECT mode = { 0, 0, 800, 600 };
RECT bb = { 0, 0, 255, 255 };
for ( int y = sby; y <= eby; y++ )
{
for ( int x = sbx; x <= ebx; x++ )
{
if ( y < 0 || x < 0 || y >= m_dwYBlock || x >= m_dwXBlock )
continue;
m_lpElement[y * m_dwXBlock + x].Show ( x * 256 - m_Coordinate.x, y * 256 - m_Coordinate.y );
}
}
}
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