void Shape_Blitter::OGL_Draw(const Image_Rect& dst)
{
#ifdef HAVE_OPENGL
// Set up texture
TextureManager TMgr;
TMgr.ShapeDesc = BUILD_DESCRIPTOR(m_coll, 0);
TMgr.LowLevelShape = m_frame;
extended_get_shape_bitmap_and_shading_table(m_coll, m_frame, &TMgr.Texture, &TMgr.ShadingTables, _shading_normal);
TMgr.IsShadeless = false;
TMgr.TransferMode = _shadeless_transfer;
switch (m_type)
{
case Shape_Texture_Wall:
TMgr.TextureType = OGL_Txtr_Wall;
break;
case Shape_Texture_Landscape:
{
TMgr.TextureType = OGL_Txtr_Landscape;
LandscapeOptions *LandOpts = View_GetLandscapeOptions(TMgr.ShapeDesc);
TMgr.LandscapeVertRepeat = LandOpts->VertRepeat;
TMgr.Landscape_AspRatExp = LandOpts->OGL_AspRatExp;
}
break;
case Shape_Texture_Sprite:
TMgr.TextureType = OGL_Txtr_Inhabitant;
break;
case Shape_Texture_WeaponInHand:
case Shape_Texture_Interface:
TMgr.TextureType = OGL_Txtr_WeaponsInHand;
break;
}
if (!TMgr.Setup())
return;
// Get dimensions
GLdouble U_Scale = TMgr.U_Scale;
GLdouble V_Scale = TMgr.V_Scale;
GLdouble U_Offset = TMgr.U_Offset;
GLdouble V_Offset = TMgr.V_Offset;
// Draw shape
if (Wanting_sRGB && TMgr.TextureType != OGL_Txtr_WeaponsInHand)
{
glEnable(GL_FRAMEBUFFER_SRGB_EXT);
Using_sRGB = true;
}
SglColor4f(tint_color_r, tint_color_g, tint_color_b, tint_color_a);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
TMgr.SetupTextureMatrix();
TMgr.RenderNormal();
bool rotating = (rotation > 0.1 || rotation < -0.1);
if (rotating)
{
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslatef((dst.x + dst.w/2.0), (dst.y + dst.h/2.0), 0.0);
glRotatef(rotation, 0.0, 0.0, 1.0);
glTranslatef(-(dst.x + dst.w/2.0), -(dst.y + dst.h/2.0), 0.0);
}
if (m_type == Shape_Texture_Interface)
{
if (crop_rect.x > 0)
U_Offset += crop_rect.x * U_Scale / static_cast<double>(m_scaled_src.w);
if (crop_rect.y > 0)
V_Offset += crop_rect.y * V_Scale / static_cast<double>(m_scaled_src.h);
if (crop_rect.w < m_scaled_src.w)
U_Scale *= crop_rect.w / static_cast<double>(m_scaled_src.w);
if (crop_rect.h < m_scaled_src.h)
V_Scale *= crop_rect.h / static_cast<double>(m_scaled_src.h);
OGL_RenderTexturedRect(dst.x, dst.y, dst.w, dst.h,
U_Offset, V_Offset,
U_Offset + U_Scale,
V_Offset + V_Scale);
}
else if (m_type == Shape_Texture_Landscape)
{
U_Scale = -TMgr.Texture->width / static_cast<double>(TMgr.Texture->height);
U_Offset = 0.5 - U_Scale/2.0;
if (crop_rect.x > 0)
V_Offset += crop_rect.x * V_Scale / static_cast<double>(m_scaled_src.w);
if (crop_rect.y > 0)
U_Offset += crop_rect.y * U_Scale / static_cast<double>(m_scaled_src.h);
if (crop_rect.w < m_scaled_src.w)
V_Scale *= crop_rect.w / static_cast<double>(m_scaled_src.w);
if (crop_rect.h < m_scaled_src.h)
U_Scale *= crop_rect.h / static_cast<double>(m_scaled_src.h);
OGL_RenderTexturedRect(dst.x, dst.y, dst.w, dst.h,
V_Offset, U_Offset,
V_Offset + V_Scale,
U_Offset + U_Scale);
}
else
{
shape_information_data *info = extended_get_shape_information(m_coll, m_frame);
if (info->flags & _X_MIRRORED_BIT)
{
V_Offset += V_Scale;
V_Scale = -V_Scale;
}
if (info->flags & _Y_MIRRORED_BIT)
{
U_Offset += U_Scale;
U_Scale = -U_Scale;
}
if (crop_rect.x > 0)
V_Offset += crop_rect.x * V_Scale / static_cast<double>(m_scaled_src.w);
if (crop_rect.y > 0)
U_Offset += crop_rect.y * U_Scale / static_cast<double>(m_scaled_src.h);
if (crop_rect.w < m_scaled_src.w)
V_Scale *= crop_rect.w / static_cast<double>(m_scaled_src.w);
if (crop_rect.h < m_scaled_src.h)
U_Scale *= crop_rect.h / static_cast<double>(m_scaled_src.h);
GLfloat texcoords[8] = {
U_Offset, V_Offset,
U_Offset, V_Offset + V_Scale,
U_Offset + U_Scale, V_Offset + V_Scale,
U_Offset + U_Scale, V_Offset
};
GLfloat vertices[8] = {
dst.x, dst.y,
dst.x + dst.w, dst.y,
dst.x + dst.w, dst.y + dst.h,
dst.x, dst.y + dst.h
};
glVertexPointer(2, GL_FLOAT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, texcoords);
glDrawArrays(GL_POLYGON, 0, 4);
}
if (rotating)
glPopMatrix();
if (TMgr.IsGlowMapped()) TMgr.RenderGlowing();
TMgr.RestoreTextureMatrix();
if (Using_sRGB)
{
glDisable(GL_FRAMEBUFFER_SRGB_EXT);
Using_sRGB = false;
}
#endif
}
void Shape_Blitter::OGL_Draw(SDL_Rect& dst)
{
#ifdef HAVE_OPENGL
// Set up texture
TextureManager TMgr;
TMgr.ShapeDesc = m_desc;
get_shape_bitmap_and_shading_table(m_desc, &TMgr.Texture, &TMgr.ShadingTables,
_shading_normal);
TMgr.IsShadeless = false;
TMgr.TransferMode = _shadeless_transfer;
switch (m_type)
{
case Shape_Texture_Wall:
TMgr.TextureType = OGL_Txtr_Wall;
break;
case Shape_Texture_Landscape:
{
TMgr.TextureType = OGL_Txtr_Landscape;
LandscapeOptions *LandOpts = View_GetLandscapeOptions(TMgr.ShapeDesc);
TMgr.LandscapeVertRepeat = LandOpts->VertRepeat;
TMgr.Landscape_AspRatExp = LandOpts->OGL_AspRatExp;
}
break;
case Shape_Texture_Sprite:
TMgr.TextureType = OGL_Txtr_Inhabitant;
break;
case Shape_Texture_WeaponInHand:
case Shape_Texture_Interface:
TMgr.TextureType = OGL_Txtr_WeaponsInHand;
break;
}
if (!TMgr.Setup()) {
return;
}
// Get dimensions
// DJB Doubles to floats...
GLfloat U_Scale = TMgr.U_Scale;
GLfloat V_Scale = TMgr.V_Scale;
GLfloat U_Offset = TMgr.U_Offset;
GLfloat V_Offset = TMgr.V_Offset;
// Draw shape
SglColor4f(tint_color_r, tint_color_g, tint_color_b, tint_color_a);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
TMgr.SetupTextureMatrix();
TMgr.RenderNormal();
bool rotating = (rotation > 0.1 || rotation < -0.1);
if (rotating) {
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslatef((dst.x + dst.w/2.0), (dst.y + dst.h/2.0), 0.0);
glRotatef(rotation, 0.0, 0.0, 1.0);
glTranslatef(-(dst.x + dst.w/2.0), -(dst.y + dst.h/2.0), 0.0);
}
if (m_type == Shape_Texture_Interface) {
if (crop_rect.x > 0) {
U_Offset += crop_rect.x * U_Scale / static_cast<double>(m_scaled_src.w);
}
if (crop_rect.y > 0) {
V_Offset += crop_rect.y * V_Scale / static_cast<double>(m_scaled_src.h);
}
if (crop_rect.w < m_scaled_src.w) {
U_Scale *= crop_rect.w / static_cast<double>(m_scaled_src.w);
}
if (crop_rect.h < m_scaled_src.h) {
V_Scale *= crop_rect.h / static_cast<double>(m_scaled_src.h);
}
// DJB OpenGL Change from triangle fan
GLfloat t[8] = {
U_Offset, V_Offset,
U_Offset + U_Scale, V_Offset,
U_Offset + U_Scale, V_Offset + V_Scale,
U_Offset, V_Offset + V_Scale
};
GLshort v[8] = {
dst.x, dst.y,
dst.x + dst.w, dst.y,
dst.x + dst.w, dst.y + dst.h,
dst.x, dst.y + dst.h
};
glVertexPointer(2, GL_SHORT, 0, v);
glEnableClientState(GL_VERTEX_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, t);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
/*
glBegin(GL_TRIANGLE_FAN);
glTexCoord2d(U_Offset, V_Offset);
glVertex2i(dst.x, dst.y);
glTexCoord2d(U_Offset + U_Scale, V_Offset);
glVertex2i(dst.x + dst.w, dst.y);
glTexCoord2d(U_Offset + U_Scale, V_Offset + V_Scale);
glVertex2i(dst.x + dst.w, dst.y + dst.h);
glTexCoord2d(U_Offset, V_Offset + V_Scale);
glVertex2i(dst.x, dst.y + dst.h);
glEnd();
*/
}
else if (m_type == Shape_Texture_Landscape) {
U_Scale = -TMgr.Texture->width / static_cast<double>(TMgr.Texture->height);
U_Offset = 0.5 - U_Scale/2.0;
crop_rect.x = m_scaled_src.w/4;
crop_rect.w = m_scaled_src.w/2;
crop_rect.y = m_scaled_src.h/4;
crop_rect.h = m_scaled_src.h/2;
if (crop_rect.x > 0) {
V_Offset += crop_rect.x * V_Scale / static_cast<double>(m_scaled_src.w);
}
if (crop_rect.y > 0) {
U_Offset += crop_rect.y * U_Scale / static_cast<double>(m_scaled_src.h);
}
if (crop_rect.w < m_scaled_src.w) {
V_Scale *= crop_rect.w / static_cast<double>(m_scaled_src.w);
}
if (crop_rect.h < m_scaled_src.h) {
U_Scale *= crop_rect.h / static_cast<double>(m_scaled_src.h);
}
// DJB OpenGL Change from glBegin/glEnd
GLfloat t[8] = {
V_Offset, U_Offset,
V_Offset + V_Scale, U_Offset,
V_Offset + V_Scale, U_Offset + U_Scale,
V_Offset, U_Offset + U_Scale
};
GLshort v[8] = {
dst.x, dst.y,
dst.x + dst.w, dst.y,
dst.x + dst.w, dst.y + dst.h,
dst.x, dst.y + dst.h
};
glVertexPointer(2, GL_SHORT, 0, v);
glEnableClientState(GL_VERTEX_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, t);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
/*
glBegin(GL_TRIANGLE_FAN);
glTexCoord2d(V_Offset, U_Offset);
glVertex2i(dst.x, dst.y);
glTexCoord2d(V_Offset + V_Scale, U_Offset);
glVertex2i(dst.x + dst.w, dst.y);
glTexCoord2d(V_Offset + V_Scale, U_Offset + U_Scale);
glVertex2i(dst.x + dst.w, dst.y + dst.h);
glTexCoord2d(V_Offset, U_Offset + U_Scale);
glVertex2i(dst.x, dst.y + dst.h);
glEnd();
*/
}
else
{
if (crop_rect.x > 0) {
V_Offset += crop_rect.x * V_Scale / static_cast<double>(m_scaled_src.w);
}
if (crop_rect.y > 0) {
U_Offset += crop_rect.y * U_Scale / static_cast<double>(m_scaled_src.h);
}
if (crop_rect.w < m_scaled_src.w) {
V_Scale *= crop_rect.w / static_cast<double>(m_scaled_src.w);
}
if (crop_rect.h < m_scaled_src.h) {
U_Scale *= crop_rect.h / static_cast<double>(m_scaled_src.h);
}
// DJB OpenGL
GLfloat t[8] = {
U_Offset, V_Offset,
U_Offset, V_Offset + V_Scale,
U_Offset + U_Scale, V_Offset + V_Scale,
U_Offset + U_Scale, V_Offset
};
GLshort v[8] = {
dst.x, dst.y,
dst.x + dst.w, dst.y,
dst.x + dst.w, dst.y + dst.h,
dst.x, dst.y + dst.h
};
glVertexPointer(2, GL_SHORT, 0, v);
glEnableClientState(GL_VERTEX_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, t);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
/*
glBegin(GL_TRIANGLE_FAN);
glTexCoord2d(U_Offset, V_Offset);
glVertex2i(dst.x, dst.y);
glTexCoord2d(U_Offset, V_Offset + V_Scale);
glVertex2i(dst.x + dst.w, dst.y);
glTexCoord2d(U_Offset + U_Scale, V_Offset + V_Scale);
glVertex2i(dst.x + dst.w, dst.y + dst.h);
glTexCoord2d(U_Offset + U_Scale, V_Offset);
glVertex2i(dst.x, dst.y + dst.h);
glEnd();
*/
}
if (rotating) {
glPopMatrix();
}
if (TMgr.IsGlowMapped()) {
TMgr.RenderGlowing();
}
TMgr.RestoreTextureMatrix();
#endif
}
