?? plane.cpp
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// Plane.cpp: implementation of the CPlane class.
//
//////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include "Plane.h"
#include "Sprite.h"
#define OFFSETX 100
#define OFFSETY 48
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CPlane::CPlane()
{
m_bRiver1 = TRUE;
m_time = 0;
m_bProtected = FALSE;
}
CPlane::~CPlane()
{
}
BOOL CPlane::Create( char* filename )
{
FILE* fp = fopen( filename, "rb" );
if( !fp )
return FALSE;
for( int i = 0; i < PLANE_H; i ++ )
for( int j = 0; j < PLANE_W; j ++ )
{
m_map[i][j].obj = (BYTE)fgetc( fp );
m_map[i][j].obj --;
m_map[i][j].mask = 0xffff;
if( m_map[i][j].obj == OBJ_BRICK ||
m_map[i][j].obj == OBJ_CONCRETE )
{
switch( (BYTE)fgetc( fp ) )
{
case 0:
m_map[i][j].mask = 0xff00;
break;
case 1:
m_map[i][j].mask = 0x00ff;
break;
case 2:
m_map[i][j].mask = 0xcccc;
break;
case 3:
m_map[i][j].mask = 0x3333;
break;
}
}
else if( m_map[i][j].obj == OBJ_NULL )
m_map[i][j].mask = 0;
}
fclose( fp );
Unprotect();
return TRUE;
}
int CPlane::HitSurface( CBullet& bullet, BOOL bDestroyConcrete )
{
int x = (int)bullet.m_x + bullet.m_width/2;
int y = (int)bullet.m_y + bullet.m_height/2;
int row = y / TILE_H;
int col = x / TILE_W;
int shift;
WORD mask, flag;
int hit = OBJ_NULL;
switch( bullet.m_dir )
{
case DIR_UP:
case DIR_DOWN:
if( !bDestroyConcrete )
shift = (3 - (y - row*TILE_H) / 8) * 4;
else
shift = (1 - (y - row*TILE_H) / 16) * 8;
if( x % TILE_W )
{
if( !bDestroyConcrete )
flag = 0xf << shift;
else
flag = 0xff << shift;
if( m_map[row][col].mask & flag )
{
hit = m_map[row][col].obj;
if( CanDestroy(row, col, bDestroyConcrete) )
m_map[row][col].mask &= ~flag;
}
}
else
{
if( !bDestroyConcrete )
flag = 0xc << shift;
else
flag = 0xcc << shift;
if( m_map[row][col].mask & flag )
{
hit = m_map[row][col].obj;
if( CanDestroy(row, col, bDestroyConcrete) )
m_map[row][col].mask &= ~flag;
}
if( !bDestroyConcrete )
flag = 0x3 << shift;
else
flag = 0x33 << shift;
if( col >= 1 && m_map[row][col-1].mask & flag )
{
if( !CanHit( hit ) )
hit = m_map[row][col-1].obj;
if( CanDestroy(row, col-1, bDestroyConcrete) )
m_map[row][col-1].mask &= ~flag;
}
}
if( col >= 1 && m_map[row][col-1].mask == 0 )
m_map[row][col-1].obj = OBJ_NULL;
break;
case DIR_LEFT:
case DIR_RIGHT:
if( !bDestroyConcrete )
shift = (x - col*TILE_W) / 8;
else
shift = (x - col*TILE_W) / 16;
if( y % TILE_H )
{
if( !bDestroyConcrete )
{
if( shift == 0 )
mask = 0x8888;
else if( shift == 1 )
mask = 0x4444;
else if( shift == 2 )
mask = 0x2222;
else
mask = 0x1111;
}
else
{
if( shift == 0 )
mask = 0xcccc;
else
mask = 0x3333;
}
if( m_map[row][col].mask & mask )
{
hit = m_map[row][col].obj;
if( CanDestroy(row, col, bDestroyConcrete) )
m_map[row][col].mask &= ~mask;
}
}
else
{
if( !bDestroyConcrete )
{
if( shift == 0 )
mask = 0x8800;
else if( shift == 1 )
mask = 0x4400;
else if( shift == 2 )
mask = 0x2200;
else
mask = 0x1100;
}
else
{
if( shift == 0 )
mask = 0xcc00;
else
mask = 0x3300;
}
if( m_map[row][col].mask & mask )
{
hit = m_map[row][col].obj;
if( CanDestroy(row, col, bDestroyConcrete) )
m_map[row][col].mask &= ~mask;
}
mask >>= 8;
if( row >= 1 && m_map[row-1][col].mask & mask )
{
if( !CanHit( hit ) )
hit = m_map[row-1][col].obj;
if( CanDestroy(row-1, col, bDestroyConcrete) )
m_map[row-1][col].mask &= ~mask;
}
}
if( row >= 1 && m_map[row-1][col].mask == 0 )
m_map[row-1][col].obj = OBJ_NULL;
break;
}
if( m_map[row][col].mask == 0 )
m_map[row][col].obj = OBJ_NULL;
if( hit == OBJ_HAWK )
m_map[12][6].obj = OBJ_STONE;
return hit;
}
BOOL CPlane::GetSurface( int row, int col, RECT& rcTank, int a, int b)
{
char obj = m_map[row][col].obj;
if( obj == OBJ_NULL || obj == OBJ_TREE )
return FALSE;
WORD mask = m_map[row][col].mask;
WORD flag;
for( int i = 0; i < 4; i ++ )
{
if( (i == a || i == b) ||
(a == -1 && b == -1) )
{
RECT rc, temp;
rc.left = col * TILE_W + i % 2 * 16;
rc.right = rc.left + 16;
rc.top = row * TILE_H + i / 2 * 16;
rc.bottom = rc.top + 16;
switch( i )
{
case 0:
flag = 0xcc00;
break;
case 1:
flag = 0x3300;
break;
case 2:
flag = 0x00cc;
break;
case 3:
flag = 0x0033;
}
if( (mask & flag) &&
IntersectRect( &temp, &rcTank, &rc ) )
return TRUE;
}
}
return FALSE;
}
int CPlane::GetSurface( CTank& tank )
{
int x1 = (int)tank.m_x;
int y1 = (int)tank.m_y;
int x2 = x1 + tank.m_width;
int y2 = y1 + tank.m_height;
int x = x1 + tank.m_width/2;
int y = y1 + tank.m_height/2;
int row, col;
RECT rcTank;
rcTank.left = (int)tank.m_x;
rcTank.right = rcTank.left + tank.m_width;
rcTank.top = (int)tank.m_y;
rcTank.bottom = rcTank.top + tank.m_height;
if( tank.m_dir == DIR_UP || tank.m_dir == DIR_DOWN )
{
col = x / TILE_W;
if( tank.m_dir == DIR_UP )
row = y1 / TILE_H;
else
row = y2 / TILE_H;
if( x % TILE_W )
{
if( GetSurface( row, col, rcTank, -1, -1 ) )
return m_map[row][col].obj;
}
else
{
if( GetSurface( row, col-1, rcTank, 1, 3 ) )
return m_map[row][col-1].obj;
if( GetSurface( row, col, rcTank, 0, 2 ) )
return m_map[row][col].obj;
}
}
else
{
row = y / TILE_H;
if( tank.m_dir == DIR_LEFT )
col = x1 / TILE_W;
else
col = x2 / TILE_W;
if( y % TILE_H )
{
if( GetSurface( row, col, rcTank, -1, -1 ) )
return m_map[row][col].obj;
}
else
{
if( GetSurface( row-1, col, rcTank, 2, 3 ) )
return m_map[row-1][col].obj;
if( GetSurface( row, col, rcTank, 0, 1 ) )
return m_map[row][col].obj;
}
}
return OBJ_NULL;
}
void CPlane::Draw( LPDIRECTDRAWSURFACE pdds )
{
for( int i = 0; i < PLANE_H; i ++ )
for( int j = 0; j < PLANE_W; j ++ )
{
int x = j * TILE_W + OFFSETX;
int y = i * TILE_H + OFFSETY;
int obj = m_map[i][j].obj;
WORD mask = m_map[i][j].mask;
if( obj == OBJ_NULL || obj == OBJ_TREE )
continue;
RECT rc;
rc.left = obj * TILE_W;
rc.right = rc.left + TILE_W;
rc.top = 0;
rc.bottom = TILE_H;
if( mask == 0xffff )
{
if( obj == OBJ_RIVER && !m_bRiver1 )
{
RECT rcRiver;
rcRiver.left = rc.left + TILE_W;
rcRiver.right = rcRiver.left + TILE_W;
rcRiver.top = 0;
rcRiver.bottom = TILE_H;
pdds->BltFast( x, y, m_bmp, &rcRiver, DDBLTFAST_SRCCOLORKEY | DDBLTFAST_WAIT );
}
else
pdds->BltFast( x, y, m_bmp, &rc, DDBLTFAST_SRCCOLORKEY | DDBLTFAST_WAIT );
}
else
{
for( int cnt = 0; cnt < 16; cnt ++ )
{
if( mask & 0x8000 )
{
rc.left = obj * TILE_W + cnt % 4 * 8;
rc.top = cnt / 4 * 8;
rc.right = rc.left + 8;
rc.bottom = rc.top + 8;
pdds->BltFast( x + cnt%4*8, y + cnt/4*8,
m_bmp, &rc, DDBLTFAST_SRCCOLORKEY | DDBLTFAST_WAIT );
}
mask <<= 1;
}
}
}
if( timeGetTime() - m_time > 500 )
{
m_bRiver1 = !m_bRiver1;
m_time = timeGetTime();
}
if( m_bProtected &&
timeGetTime() - m_protectTime > 20000 )
{
Unprotect();
}
}
void CPlane::DrawTree( LPDIRECTDRAWSURFACE pdds )
{
for( int i = 0; i < PLANE_H; i ++ )
for( int j = 0; j < PLANE_W; j ++ )
{
int obj = m_map[i][j].obj;
if( obj == OBJ_TREE )
{
int x = j * TILE_W + OFFSETX;
int y = i * TILE_H + OFFSETY;
RECT rc;
rc.left = obj * TILE_W;
rc.right = rc.left + TILE_W;
rc.top = 0;
rc.bottom = TILE_H;
pdds->BltFast( x, y, m_bmp, &rc, DDBLTFAST_SRCCOLORKEY | DDBLTFAST_WAIT );
}
}
}
void CPlane::Protect()
{
m_map[12][5].obj = OBJ_CONCRETE;
m_map[12][5].mask = 0x3333;
m_map[11][5].obj = OBJ_CONCRETE;
m_map[11][5].mask = 0x0033;
m_map[11][6].obj = OBJ_CONCRETE;
m_map[11][6].mask = 0x00ff;
m_map[11][7].obj = OBJ_CONCRETE;
m_map[11][7].mask = 0x00cc;
m_map[12][7].obj = OBJ_CONCRETE;
m_map[12][7].mask = 0xcccc;
m_protectTime = timeGetTime();
m_bProtected = TRUE;
}
void CPlane::Unprotect()
{
m_map[12][5].obj = OBJ_BRICK;
m_map[12][5].mask = 0x3333;
m_map[11][5].obj = OBJ_BRICK;
m_map[11][5].mask = 0x0033;
m_map[11][6].obj = OBJ_BRICK;
m_map[11][6].mask = 0x00ff;
m_map[11][7].obj = OBJ_BRICK;
m_map[11][7].mask = 0x00cc;
m_map[12][7].obj = OBJ_BRICK;
m_map[12][7].mask = 0xcccc;
m_bProtected = FALSE;
}
void CPlane::Bare()
{
m_map[12][5].obj = OBJ_NULL;
m_map[12][5].mask = 0;
m_map[11][5].obj = OBJ_NULL;
m_map[11][5].mask = 0;
m_map[11][6].obj = OBJ_NULL;
m_map[11][6].mask = 0;
m_map[11][7].obj = OBJ_NULL;
m_map[11][7].mask = 0;
m_map[12][7].obj = OBJ_NULL;
m_map[12][7].mask = 0;
m_bProtected = FALSE;
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