* remove unused libvorbisenc from FindOggVorbis and link path
[supertux.git] / src / video / drawing_context.cpp
index 8255de1..b75b950 100644 (file)
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <config.h>
-
-#include <functional>
 #include <algorithm>
-#include <cassert>
-#include <iostream>
-//#include <SDL_image.h>
-#include <sstream>
-#include <iomanip>
-#include <physfs.h>
 
 #include "drawing_context.hpp"
-//#include "drawing_request.hpp"
-//#include "video_systems.hpp"
-//#include "renderer.hpp"
-//#include "lightmap.hpp"
+
+#include "drawing_request.hpp"
+#include "video_systems.hpp"
+#include "renderer.hpp"
+#include "lightmap.hpp"
 #include "surface.hpp"
 #include "main.hpp"
 #include "gameconfig.hpp"
-//#include "texture.hpp"
-//#include "texture_manager.hpp"
-//#include "obstack/obstackpp.hpp"
-
-#include "math/vector.hpp"
-#include "math/rect.hpp"
-
-#include <unison/video/Renderers.hpp>
+#include "texture.hpp"
+#include "texture_manager.hpp"
+#include "obstack/obstackpp.hpp"
 
-/*static inline int next_po2(int val)
+static inline int next_po2(int val)
 {
   int result = 1;
   while(result < val)
     result *= 2;
 
   return result;
-}*/
+}
 
-DrawingContext::DrawingContext()
-  /*renderer(0), lightmap(0), ambient_color(1.0f, 1.0f, 1.0f, 1.0f), target(NORMAL), screenshot_requested(false)*/
+DrawingContext::DrawingContext() :
+  renderer(0), lightmap(0), ambient_color(1.0f, 1.0f, 1.0f, 1.0f), target(NORMAL), screenshot_requested(false)
 {
-  ambient_color = Color(1.0f, 1.0f, 1.0f, 1.0f);
-  target = NORMAL;
-  screenshot_requested = false;
-  draw_target = &normal_list;
-  /*requests = &drawing_requests;
-  obstack_init(&obst);*/
+  requests = &drawing_requests;
+  obstack_init(&obst);
 }
 
 DrawingContext::~DrawingContext()
 {
-  /*delete renderer;
+  delete renderer;
   delete lightmap;
 
-  obstack_free(&obst, NULL);*/
+  obstack_free(&obst, NULL);
 }
 
 void
 DrawingContext::init_renderer()
 {
-  Unison::Video::Renderers::get().set_renderer(config->video);
-  Unison::Video::Window::get().set_logical_size(Unison::Video::Area(SCREEN_WIDTH, SCREEN_HEIGHT));
-  Unison::Video::Window::get().open(Unison::Video::Area(config->screenwidth, config->screenheight), config->use_fullscreen);
-  lightmap = Unison::Video::Surface(Unison::Video::Area(SCREEN_WIDTH, SCREEN_HEIGHT));
-  /*delete renderer;
+  delete renderer;
   delete lightmap;
 
   renderer = new_renderer();
-  lightmap = new_lightmap();*/
+  lightmap = new_lightmap();
 }
 
 void
@@ -93,19 +73,7 @@ DrawingContext::draw_surface(const Surface* surface, const Vector& position,
 {
   assert(surface != 0);
 
-  Unison::Video::RenderOptions options;
-  options.color = color.to_unison_color();
-  options.alpha = (unsigned char) transform.alpha * 0xff;
-  options.blend = blend.to_unison_blend();
-  options.h_flip = surface->get_flipx() != (transform.drawing_effect == HORIZONTAL_FLIP);
-  options.v_flip = (transform.drawing_effect == VERTICAL_FLIP);
-
-  Vector transformed = transform.apply(position);
-  Unison::Video::Point dst_pos((int) transformed.x, (int) transformed.y);
-
-  (*draw_target)[layer].blit_section(surface->get_texture(), dst_pos, options);
-
-  /*DrawingRequest* request = new(obst) DrawingRequest();
+  DrawingRequest* request = new(obst) DrawingRequest();
 
   request->target = target;
   request->type = SURFACE;
@@ -125,7 +93,7 @@ DrawingContext::draw_surface(const Surface* surface, const Vector& position,
 
   request->request_data = const_cast<Surface*> (surface);
 
-  requests->push_back(request);*/
+  requests->push_back(request);
 }
 
 void
@@ -141,23 +109,7 @@ DrawingContext::draw_surface_part(const Surface* surface, const Vector& source,
 {
   assert(surface != 0);
 
-  Unison::Video::TextureSection texture = surface->get_texture();
-  texture.clip_rect.pos.x += (int) source.x;
-  texture.clip_rect.pos.y += (int) source.y;
-  texture.clip_rect.size.x += (unsigned int) size.x;
-  texture.clip_rect.size.y += (unsigned int) size.y;
-
-  Unison::Video::RenderOptions options;
-  options.alpha = (unsigned char) transform.alpha * 0xff;
-  options.h_flip = surface->get_flipx() != (transform.drawing_effect == HORIZONTAL_FLIP);
-  options.v_flip = (transform.drawing_effect == VERTICAL_FLIP);
-
-  Vector transformed = transform.apply(dest);
-  Unison::Video::Point dst_pos((int) transformed.x, (int) transformed.y);
-
-  (*draw_target)[layer].blit_section(texture, dst_pos, options);
-
-  /*DrawingRequest* request = new(obst) DrawingRequest();
+  DrawingRequest* request = new(obst) DrawingRequest();
 
   request->target = target;
   request->type = SURFACE_PART;
@@ -188,17 +140,14 @@ DrawingContext::draw_surface_part(const Surface* surface, const Vector& source,
   }
   request->request_data = surfacepartrequest;
 
-  requests->push_back(request);*/
+  requests->push_back(request);
 }
 
 void
 DrawingContext::draw_text(const Font* font, const std::string& text,
-    const Vector& position, FontAlignment alignment, int layer)
+    const Vector& position, FontAlignment alignment, int layer, Color color)
 {
-  font->draw((*draw_target)[layer], text, transform.apply(position),
-      alignment, transform.drawing_effect, transform.alpha);
-
-  /*DrawingRequest* request = new(obst) DrawingRequest();
+  DrawingRequest* request = new(obst) DrawingRequest();
 
   request->target = target;
   request->type = TEXT;
@@ -206,6 +155,7 @@ DrawingContext::draw_text(const Font* font, const std::string& text,
   request->layer = layer;
   request->drawing_effect = transform.drawing_effect;
   request->alpha = transform.alpha;
+  request->color = color;
 
   TextRequest* textrequest = new(obst) TextRequest();
   textrequest->font = font;
@@ -213,52 +163,21 @@ DrawingContext::draw_text(const Font* font, const std::string& text,
   textrequest->alignment = alignment;
   request->request_data = textrequest;
 
-  requests->push_back(request);*/
+  requests->push_back(request);
 }
 
 void
 DrawingContext::draw_center_text(const Font* font, const std::string& text,
-    const Vector& position, int layer)
+    const Vector& position, int layer, Color color)
 {
   draw_text(font, text, Vector(position.x + SCREEN_WIDTH/2, position.y),
-      ALIGN_CENTER, layer);
-}
-
-namespace
-{
-  class GradientRequest : public Unison::Video::DisplayList::Request
-  {
-    public:
-      GradientRequest(const Color &top, const Color &bottom) :
-        top(top),
-        bottom(bottom)
-      {
-      }
-
-      void do_request(Unison::Video::Blittable *dst) const
-      {
-        for(int y = 0;y < SCREEN_HEIGHT;++y)
-        {
-          Unison::Video::Color color;
-          color.red = (Uint8)((((float)(top.red-bottom.red)/(0-SCREEN_HEIGHT)) * y + top.red) * 255);
-          color.green = (Uint8)((((float)(top.green-bottom.green)/(0-SCREEN_HEIGHT)) * y + top.green) * 255);
-          color.green = (Uint8)((((float)(top.blue-bottom.blue)/(0-SCREEN_HEIGHT)) * y + top.blue) * 255);
-          color.alpha = (Uint8)((((float)(top.alpha-bottom.alpha)/(0-SCREEN_HEIGHT)) * y + top.alpha) * 255);
-          dst->fill(color, Unison::Video::Rect(0, y, SCREEN_WIDTH, 1));
-        }
-      }
-    private:
-      Color top;
-      Color bottom;
-  };
+      ALIGN_CENTER, layer, color);
 }
 
 void
 DrawingContext::draw_gradient(const Color& top, const Color& bottom, int layer)
 {
-  (*draw_target)[layer].add_request(new GradientRequest(top, bottom));
-
-  /*DrawingRequest* request = new(obst) DrawingRequest();
+  DrawingRequest* request = new(obst) DrawingRequest();
 
   request->target = target;
   request->type = GRADIENT;
@@ -273,23 +192,14 @@ DrawingContext::draw_gradient(const Color& top, const Color& bottom, int layer)
   gradientrequest->bottom = bottom;
   request->request_data = gradientrequest;
 
-  requests->push_back(request);*/
+  requests->push_back(request);
 }
 
 void
 DrawingContext::draw_filled_rect(const Vector& topleft, const Vector& size,
                                  const Color& color, int layer)
 {
-  Vector transformed = transform.apply(topleft);
-
-  Unison::Video::Rect rect;
-  rect.pos = Unison::Video::Point((int) transformed.x, (int) transformed.y);
-  rect.size.x = (unsigned int) size.x;
-  rect.size.y = (unsigned int) size.y;
-
-  (*draw_target)[layer].fill_blend(color.to_unison_color(), rect);
-
-  /*DrawingRequest* request = new(obst) DrawingRequest();
+  DrawingRequest* request = new(obst) DrawingRequest();
 
   request->target = target;
   request->type = FILLRECT;
@@ -303,31 +213,28 @@ DrawingContext::draw_filled_rect(const Vector& topleft, const Vector& size,
   fillrectrequest->size = size;
   fillrectrequest->color = color;
   fillrectrequest->color.alpha = color.alpha * transform.alpha;
+  fillrectrequest->radius = 0.0f;
   request->request_data = fillrectrequest;
 
-  requests->push_back(request);*/
+  requests->push_back(request);
 }
 
 void
 DrawingContext::draw_filled_rect(const Rect& rect, const Color& color,
                                  int layer)
 {
-  Vector transformed = transform.apply(rect.p1);
-
-  Unison::Video::Rect unison_rect;
-  unison_rect.pos.x = (int) transformed.x;
-  unison_rect.pos.y = (int) transformed.y;
-  unison_rect.size.x = (unsigned int) rect.get_width();
-  unison_rect.size.y = (unsigned int) rect.get_height();
-
-  (*draw_target)[layer].fill_blend(color.to_unison_color(), unison_rect);
+  draw_filled_rect(rect, color, 0.0f, layer);
+}
 
-  /*DrawingRequest* request = new(obst) DrawingRequest();
+void
+DrawingContext::draw_filled_rect(const Rect& rect, const Color& color, float radius, int layer)
+{
+  DrawingRequest* request = new(obst) DrawingRequest();
 
   request->target = target;
-  request->type = FILLRECT;
-  request->pos = transform.apply(rect.p1);
-  request->layer = layer;
+  request->type   = FILLRECT;
+  request->pos    = transform.apply(rect.p1);
+  request->layer  = layer;
 
   request->drawing_effect = transform.drawing_effect;
   request->alpha = transform.alpha;
@@ -336,9 +243,33 @@ DrawingContext::draw_filled_rect(const Rect& rect, const Color& color,
   fillrectrequest->size = Vector(rect.get_width(), rect.get_height());
   fillrectrequest->color = color;
   fillrectrequest->color.alpha = color.alpha * transform.alpha;
+  fillrectrequest->radius = radius;
   request->request_data = fillrectrequest;
 
-  requests->push_back(request);*/
+  requests->push_back(request); 
+}
+
+void
+DrawingContext::draw_inverse_ellipse(const Vector& pos, const Vector& size, const Color& color, int layer)
+{
+  DrawingRequest* request = new(obst) DrawingRequest();
+
+  request->target = target;
+  request->type   = INVERSEELLIPSE;
+  request->pos    = transform.apply(pos);
+  request->layer  = layer;
+
+  request->drawing_effect = transform.drawing_effect;
+  request->alpha = transform.alpha;
+
+  InverseEllipseRequest* ellipse = new(obst)InverseEllipseRequest;
+  
+  ellipse->color        = color;
+  ellipse->color.alpha  = color.alpha * transform.alpha;
+  ellipse->size         = size;
+  request->request_data = ellipse;
+
+  requests->push_back(request);     
 }
 
 void
@@ -350,27 +281,23 @@ DrawingContext::get_light(const Vector& position, Color* color)
     return;
   }
 
-  /*DrawingRequest* request = new(obst) DrawingRequest();
+  DrawingRequest* request = new(obst) DrawingRequest();
   request->target = target;
   request->type = GETLIGHT;
-  request->pos = transform.apply(position);*/
+  request->pos = transform.apply(position);
 
   //There is no light offscreen.
-  if(position.x >= SCREEN_WIDTH || position.y >= SCREEN_HEIGHT
-      || position.x < 0 || position.y < 0){
+  if(request->pos.x >= SCREEN_WIDTH || request->pos.y >= SCREEN_HEIGHT
+      || request->pos.x < 0 || request->pos.y < 0){
     *color = Color( 0, 0, 0);
     return;
   }
 
-  Vector transformed = transform.apply(position);
-  Unison::Video::Point pos((int) transformed.x, (int) transformed.y);
-  get_light_requests.push_back(std::make_pair(pos, color));
-
-  /*request->layer = LAYER_GUI; //make sure all get_light requests are handled last.
+  request->layer = LAYER_GUI; //make sure all get_light requests are handled last.
   GetLightRequest* getlightrequest = new(obst) GetLightRequest();
   getlightrequest->color_ptr = color;
   request->request_data = getlightrequest;
-  lightmap_requests.push_back(request);*/
+  lightmap_requests.push_back(request);
 }
 
 void
@@ -389,39 +316,34 @@ DrawingContext::do_drawing()
 
   // PART1: create lightmap
   if(use_lightmap) {
-    lightmap.fill(ambient_color.to_unison_color());
-    lightmap.draw(lightmap_list);
-    //lightmap->start_draw(ambient_color);
-    //handle_drawing_requests(lightmap_requests);
-    //lightmap->end_draw();
+    lightmap->start_draw(ambient_color);
+    handle_drawing_requests(lightmap_requests);
+    lightmap->end_draw();
+
+    DrawingRequest* request = new(obst) DrawingRequest();
+    request->target = NORMAL;
+    request->type = DRAW_LIGHTMAP;
+    request->layer = LAYER_HUD - 1;
+    drawing_requests.push_back(request);
   }
+  lightmap_requests.clear();
 
-  Unison::Video::Window::get().draw(normal_list);
-
-  //handle_drawing_requests(drawing_requests);
-  if(use_lightmap) {
-    Unison::Video::Window::get().blit(lightmap, Unison::Video::Point(), Unison::Video::Rect(), Unison::Video::BLEND_MOD);
-    //lightmap->do_draw();
-  }
-  //obstack_free(&obst, NULL);
-  //obstack_init(&obst);
+  handle_drawing_requests(drawing_requests);
+  drawing_requests.clear();
+  obstack_free(&obst, NULL);
+  obstack_init(&obst);
 
   // if a screenshot was requested, take one
   if (screenshot_requested) {
-    // FIXME renderer->do_take_screenshot();
+    renderer->do_take_screenshot();
     screenshot_requested = false;
   }
 
-  //renderer->flip();
-  Unison::Video::Window::get().flip();
-
-  normal_list.clear();
-  lightmap_list.clear();
+  renderer->flip();
 }
 
-/*class RequestPtrCompare
+class RequestPtrCompare
   :  public std::binary_function<const DrawingRequest*,
-  std::vector<std::pair<Unison::Video::Point, Color *> > get_light_requests;
                                  const DrawingRequest*, 
                                  bool>
 {
@@ -457,12 +379,18 @@ DrawingContext::handle_drawing_requests(DrawingRequests& requests)
             {
               const TextRequest* textrequest = (TextRequest*) request.request_data;
               textrequest->font->draw(renderer, textrequest->text, request.pos,
-                  textrequest->alignment, request.drawing_effect, request.alpha);
+                  textrequest->alignment, request.drawing_effect, request.color, request.alpha);
             }
             break;
           case FILLRECT:
             renderer->draw_filled_rect(request);
             break;
+          case INVERSEELLIPSE:
+            renderer->draw_inverse_ellipse(request);
+            break;
+          case DRAW_LIGHTMAP:
+            lightmap->do_draw();
+            break;
           case GETLIGHT:
             lightmap->get_light(request);
             break;
@@ -483,12 +411,18 @@ DrawingContext::handle_drawing_requests(DrawingRequests& requests)
             {
               const TextRequest* textrequest = (TextRequest*) request.request_data;
               textrequest->font->draw(renderer, textrequest->text, request.pos,
-                  textrequest->alignment, request.drawing_effect, request.alpha);
+                  textrequest->alignment, request.drawing_effect, request.color, request.alpha);
             }
             break;
           case FILLRECT:
             lightmap->draw_filled_rect(request);
             break;
+          case INVERSEELLIPSE:
+            assert(!"InverseEllipse doesn't make sense on the lightmap");
+            break;
+          case DRAW_LIGHTMAP:
+            lightmap->do_draw();
+            break;
           case GETLIGHT:
             lightmap->get_light(request);
             break;
@@ -496,8 +430,7 @@ DrawingContext::handle_drawing_requests(DrawingRequests& requests)
         break;
     }
   }
-  requests.clear();
-}*/
+}
 
 void
 DrawingContext::push_transform()
@@ -556,10 +489,10 @@ DrawingContext::set_target(Target target)
 {
   this->target = target;
   if(target == LIGHTMAP) {
-    draw_target = &lightmap_list;
+    requests = &lightmap_requests;
   } else {
     assert(target == NORMAL);
-    draw_target = &normal_list;
+    requests = &drawing_requests;
   }
 }