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added better looking minimap code from jzaun

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This commit is contained in:
Dave White 2003-10-30 10:47:34 +00:00
parent 6dfafe2ad4
commit e776e3ab93
1 changed files with 41 additions and 20 deletions
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61
src/display.cpp
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@ -114,10 +114,10 @@ display::display(unit_map& units, CVideo& video, const gamemap& map,
std::fill(pixels,pixels+length,0);
}
void clear_surfaces(std::map<std::string,SDL_Surface*>& surfaces)
template<typename Map>
void clear_surfaces(Map& surfaces)
{
for(std::map<std::string,SDL_Surface*>::iterator i = surfaces.begin();
i != surfaces.end(); ++i) {
for(typename Map::iterator i = surfaces.begin(); i != surfaces.end(); ++i) {
SDL_FreeSurface(i->second);
}
@ -826,6 +826,13 @@ void display::draw_tile(int x, int y, SDL_Surface* unit_image,
double highlight_ratio, Pixel blend_with)
{
if(map_.on_board(gamemap::location(x,y))) {
SDL_Surface* const tile = getTerrain(map_[x][y],UNSCALED,x,y);
SDL_Surface* minitile = scale_surface(tile,4,4);
SDL_FreeSurface(minitile);
}
if(updatesLocked_)
return;
@ -1611,33 +1618,47 @@ SDL_Surface* display::getImageTinted(const std::string& filename, TINT tint)
SDL_Surface* display::getMinimap(int w, int h)
{
if(minimap_ == NULL) {
const int scale = 4;
SDL_Surface* const surface = screen_.getSurface();
minimap_ = SDL_CreateRGBSurface(SDL_SWSURFACE,map_.x(),map_.y(),
surface->format->BitsPerPixel,
surface->format->Rmask,
surface->format->Gmask,
surface->format->Bmask,
surface->format->Amask);
minimap_ = SDL_CreateRGBSurface(SDL_SWSURFACE,
map_.x()*scale,map_.y()*scale,
surface->format->BitsPerPixel,
surface->format->Rmask,
surface->format->Gmask,
surface->format->Bmask,
surface->format->Amask);
if(minimap_ == NULL)
return NULL;
const int xpad = is_odd(minimap_->w);
typedef std::map<gamemap::TERRAIN,SDL_Surface*> cache_map;
cache_map cache;
surface_lock lock(minimap_);
short* data = lock.pixels();
SDL_Rect minirect = {0,0,scale,scale};
for(int y = 0; y != map_.y(); ++y) {
for(int x = 0; x != map_.x(); ++x) {
if(map_.on_board(gamemap::location(x,y))) {
const gamemap::TERRAIN terrain = map_[x][y];
cache_map::iterator i = cache.find(terrain);
if(shrouded(x,y))
*data = 0;
else
*data = map_.get_terrain_info(map_[x][y]).get_rgb().
format(surface->format);
++data;
if(i == cache.end()) {
SDL_Surface* const tile = getTerrain(map_[x][y],
UNSCALED,x,y);
SDL_Surface* const minitile = scale_surface(tile,scale,
scale);
i = cache.insert(
cache_map::value_type(terrain,minitile)).first;
}
assert(i != cache.end());
SDL_Rect maprect = {x*scale,y*scale,0,0};
SDL_BlitSurface(i->second, &minirect, minimap_, &maprect);
}
}
data += xpad;
}
clear_surfaces(cache);
}
if(minimap_->w != w || minimap_->h != h) {