/**
* Zeichnet die Textur.
*
* @author FloSoft
*/
void glArchivItem_Bitmap::Draw(short dst_x, short dst_y, short dst_w, short dst_h, short src_x, short src_y, short src_w, short src_h, const unsigned int color, const unsigned int unused)
{
if(texture == 0)
GenerateTexture();
if(texture == 0)
return;
if(src_w == 0)
src_w = width_;
if(src_h == 0)
src_h = height_;
if(dst_w == 0)
dst_w = src_w;
if(dst_h == 0)
dst_h = src_h;
VIDEODRIVER.BindTexture(texture);
assert(getBobType() != libsiedler2::BOBTYPE_BITMAP_PLAYER);
struct GL_T2F_C4UB_V3F_Struct
{
GLfloat tx, ty;
GLubyte r, g, b, a;
GLfloat x, y, z;
};
GL_T2F_C4UB_V3F_Struct tmp[4];
int x = -nx_ + dst_x;
int y = -ny_ + dst_y;
tmp[0].x = tmp[1].x = GLfloat(x);
tmp[2].x = tmp[3].x = GLfloat(x + dst_w);
tmp[0].y = tmp[3].y = GLfloat(y);
tmp[1].y = tmp[2].y = GLfloat(y + dst_h);
tmp[0].z = tmp[1].z = tmp[2].z = tmp[3].z = 0.0f;
tmp[0].tx = tmp[1].tx = (GLfloat)src_x / tex_width_;
tmp[2].tx = tmp[3].tx = (GLfloat)(src_x + src_w) / tex_width_;
tmp[0].ty = tmp[3].ty = (GLfloat)src_y / tex_height_;
tmp[1].ty = tmp[2].ty = (GLfloat)(src_y + src_h) / tex_height_;
tmp[0].r = tmp[1].r = tmp[2].r = tmp[3].r = GetRed(color);
tmp[0].g = tmp[1].g = tmp[2].g = tmp[3].g = GetGreen(color);
tmp[0].b = tmp[1].b = tmp[2].b = tmp[3].b = GetBlue(color);
tmp[0].a = tmp[1].a = tmp[2].a = tmp[3].a = GetAlpha(color);
glInterleavedArrays(GL_T2F_C4UB_V3F, 0, tmp);
glDrawArrays(GL_QUADS, 0, 4);
return;
}
/**
* Zeichnet die Textur.
*/
void glArchivItem_Bitmap::Draw(Rect dstArea, Rect srcArea, unsigned color /*= COLOR_WHITE*/)
{
if(GetTexture() == 0)
return;
RTTR_Assert(dstArea.getSize().x > 0 && dstArea.getSize().y > 0);
RTTR_Assert(srcArea.getSize().x > 0 && srcArea.getSize().y > 0);
// Compatibility only!
Extent srcSize = srcArea.getSize();
if(srcSize.x == 0)
srcSize.x = getWidth();
if(srcSize.y == 0)
srcSize.y = getHeight();
srcArea.setSize(srcSize);
Extent dstSize = dstArea.getSize();
if(dstSize.x == 0)
dstSize.x = srcSize.x;
if(dstSize.y == 0)
dstSize.y = srcSize.y;
dstArea.setSize(dstSize);
RTTR_Assert(getBobType() != libsiedler2::BOBTYPE_BITMAP_PLAYER);
std::array<Point<GLfloat>, 4> texCoords, vertices;
dstArea.move(-GetOrigin());
vertices[0].x = vertices[1].x = GLfloat(dstArea.left);
vertices[2].x = vertices[3].x = GLfloat(dstArea.right);
vertices[0].y = vertices[3].y = GLfloat(dstArea.top);
vertices[1].y = vertices[2].y = GLfloat(dstArea.bottom);
Point<GLfloat> srcOrig = Point<GLfloat>(srcArea.getOrigin()) / GetTexSize();
Point<GLfloat> srcEndPt = Point<GLfloat>(srcArea.getEndPt()) / GetTexSize();
texCoords[0].x = texCoords[1].x = srcOrig.x;
texCoords[2].x = texCoords[3].x = srcEndPt.x;
texCoords[0].y = texCoords[3].y = srcOrig.y;
texCoords[1].y = texCoords[2].y = srcEndPt.y;
glVertexPointer(2, GL_FLOAT, 0, vertices.data());
glTexCoordPointer(2, GL_FLOAT, 0, texCoords.data());
VIDEODRIVER.BindTexture(GetTexture());
glColor4ub(GetRed(color), GetGreen(color), GetBlue(color), GetAlpha(color));
glDrawArrays(GL_QUADS, 0, 4);
}
