-// $Id$
-//
// SuperTux
// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// 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 <GL/gl.h>
-
-#include "drawing_context.hpp"
-#include "surface.hpp"
-#include "font.hpp"
-#include "main.hpp"
-#include "gameconfig.hpp"
-#include "glutil.hpp"
-#include "texture.hpp"
-#include "texture_manager.hpp"
-#include "obstack/obstackpp.hpp"
-#define LIGHTMAP_DIV 5
-
-enum RequestType
-{
- SURFACE, SURFACE_PART, TEXT, GRADIENT, FILLRECT, LIGHTMAPREQUEST, GETLIGHT
-};
-
-struct SurfacePartRequest
-{
- const Surface* surface;
- Vector source, size;
-};
-
-struct TextRequest
-{
- const Font* font;
- std::string text;
- FontAlignment alignment;
-};
-
-struct GradientRequest
-{
- Color top, bottom;
- Vector size;
-};
-
-struct FillRectRequest
-{
- Color color;
- Vector size;
-};
-
-struct DrawingRequest
-{
- RequestType type;
- Vector pos;
-
- int layer;
- DrawingEffect drawing_effect;
- float alpha;
- Blend blend;
- float angle;
- Color color;
-
- void* request_data;
-
- DrawingRequest()
- : angle(0.0f),
- color(1.0f, 1.0f, 1.0f, 1.0f)
- {}
-
- bool operator<(const DrawingRequest& other) const
- {
- return layer < other.layer;
- }
-};
-
-struct GetLightRequest
-{
- Color* color_ptr;
-};
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
-static inline int next_po2(int val)
-{
- int result = 1;
- while(result < val)
- result *= 2;
+#include "video/drawing_context.hpp"
- return result;
-}
+#include <algorithm>
+#include <config.h>
-DrawingContext::DrawingContext()
- : ambient_color(1.0f, 1.0f, 1.0f, 1.0f), target(NORMAL)
+#include "math/sizef.hpp"
+#include "supertux/gameconfig.hpp"
+#include "supertux/globals.hpp"
+#include "util/obstackpp.hpp"
+#include "video/drawing_request.hpp"
+#include "video/lightmap.hpp"
+#include "video/renderer.hpp"
+#include "video/surface.hpp"
+#include "video/texture.hpp"
+#include "video/texture_manager.hpp"
+#include "video/video_system.hpp"
+
+DrawingContext::DrawingContext(VideoSystem& video_system_) :
+ video_system(video_system_),
+ transformstack(),
+ transform(),
+ blend_stack(),
+ blend_mode(),
+ drawing_requests(),
+ lightmap_requests(),
+ requests(),
+ ambient_color(1.0f, 1.0f, 1.0f, 1.0f),
+ target(NORMAL),
+ target_stack(),
+ obst(),
+ screenshot_requested(false)
{
- screen = SDL_GetVideoSurface();
-
- lightmap_width = screen->w / LIGHTMAP_DIV;
- lightmap_height = screen->h / LIGHTMAP_DIV;
- unsigned int width = next_po2(lightmap_width);
- unsigned int height = next_po2(lightmap_height);
-
- lightmap = new Texture(width, height, GL_RGB);
-
- lightmap_uv_right = static_cast<float>(lightmap_width) / static_cast<float>(width);
- lightmap_uv_bottom = static_cast<float>(lightmap_height) / static_cast<float>(height);
- texture_manager->register_texture(lightmap);
-
requests = &drawing_requests;
-
obstack_init(&obst);
}
DrawingContext::~DrawingContext()
{
+ clear_drawing_requests(lightmap_requests);
+ clear_drawing_requests(drawing_requests);
+
obstack_free(&obst, NULL);
+}
- texture_manager->remove_texture(lightmap);
- delete lightmap;
+void
+DrawingContext::clear_drawing_requests(DrawingRequests& requests_)
+{
+ for(auto& request : requests_)
+ {
+ if (request->request_data)
+ {
+ request->request_data->~DrawingRequestData();
+ }
+ request->~DrawingRequest();
+ }
+ requests_.clear();
}
void
-DrawingContext::draw_surface(const Surface* surface, const Vector& position,
+DrawingContext::draw_surface(SurfacePtr surface, const Vector& position,
float angle, const Color& color, const Blend& blend,
int layer)
{
DrawingRequest* request = new(obst) DrawingRequest();
+ request->target = target;
request->type = SURFACE;
request->pos = transform.apply(position);
if(request->pos.x >= SCREEN_WIDTH || request->pos.y >= SCREEN_HEIGHT
- || request->pos.x + surface->get_width() < 0
- || request->pos.y + surface->get_height() < 0)
+ || request->pos.x + surface->get_width() < 0
+ || request->pos.y + surface->get_height() < 0)
return;
request->layer = layer;
request->color = color;
request->blend = blend;
- request->request_data = const_cast<Surface*> (surface);
+ SurfaceRequest* surfacerequest = new(obst) SurfaceRequest();
+ surfacerequest->surface = surface.get();
+ request->request_data = surfacerequest;
requests->push_back(request);
}
void
-DrawingContext::draw_surface(const Surface* surface, const Vector& position,
- int layer)
+DrawingContext::draw_surface(SurfacePtr surface, const Vector& position,
+ int layer)
{
draw_surface(surface, position, 0.0f, Color(1.0f, 1.0f, 1.0f), Blend(), layer);
}
void
-DrawingContext::draw_surface_part(const Surface* surface, const Vector& source,
- const Vector& size, const Vector& dest, int layer)
+DrawingContext::draw_surface_part(SurfacePtr surface,
+ const Rectf& srcrect, const Rectf& dstrect,
+ int layer)
{
assert(surface != 0);
DrawingRequest* request = new(obst) DrawingRequest();
+ request->target = target;
request->type = SURFACE_PART;
- request->pos = transform.apply(dest);
+ request->pos = transform.apply(dstrect.p1);
request->layer = layer;
request->drawing_effect = transform.drawing_effect;
request->alpha = transform.alpha;
SurfacePartRequest* surfacepartrequest = new(obst) SurfacePartRequest();
- surfacepartrequest->size = size;
- surfacepartrequest->source = source;
- surfacepartrequest->surface = surface;
-
- // clip on screen borders
- if(request->pos.x < 0) {
- surfacepartrequest->size.x += request->pos.x;
- if(surfacepartrequest->size.x <= 0)
- return;
- surfacepartrequest->source.x -= request->pos.x;
- request->pos.x = 0;
- }
- if(request->pos.y < 0) {
- surfacepartrequest->size.y += request->pos.y;
- if(surfacepartrequest->size.y <= 0)
- return;
- surfacepartrequest->source.y -= request->pos.y;
- request->pos.y = 0;
- }
+ surfacepartrequest->srcrect = srcrect;
+ surfacepartrequest->dstsize = dstrect.get_size();
+ surfacepartrequest->surface = surface.get();
+
request->request_data = surfacepartrequest;
requests->push_back(request);
}
void
-DrawingContext::draw_text(const Font* font, const std::string& text,
- const Vector& position, FontAlignment alignment, int layer)
+DrawingContext::draw_text(FontPtr font, const std::string& text,
+ const Vector& position, FontAlignment alignment, int layer, Color color)
{
DrawingRequest* request = new(obst) DrawingRequest();
+ request->target = target;
request->type = TEXT;
request->pos = transform.apply(position);
request->layer = layer;
request->drawing_effect = transform.drawing_effect;
request->alpha = transform.alpha;
+ request->color = color;
TextRequest* textrequest = new(obst) TextRequest();
- textrequest->font = font;
+ textrequest->font = font.get();
textrequest->text = text;
textrequest->alignment = alignment;
request->request_data = textrequest;
}
void
-DrawingContext::draw_center_text(const Font* font, const std::string& text,
- const Vector& position, int layer)
+DrawingContext::draw_center_text(FontPtr font, const std::string& text,
+ const Vector& position, int layer, Color color)
{
draw_text(font, text, Vector(position.x + SCREEN_WIDTH/2, position.y),
- ALIGN_CENTER, layer);
+ ALIGN_CENTER, layer, color);
}
void
{
DrawingRequest* request = new(obst) DrawingRequest();
+ request->target = target;
request->type = GRADIENT;
request->pos = Vector(0,0);
request->layer = layer;
{
DrawingRequest* request = new(obst) DrawingRequest();
+ request->target = target;
request->type = FILLRECT;
request->pos = transform.apply(topleft);
request->layer = layer;
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);
}
void
-DrawingContext::draw_filled_rect(const Rect& rect, const Color& color,
+DrawingContext::draw_filled_rect(const Rectf& rect, const Color& color,
int layer)
{
+ draw_filled_rect(rect, color, 0.0f, layer);
+}
+
+void
+DrawingContext::draw_filled_rect(const Rectf& rect, const Color& color, float radius, int layer)
+{
DrawingRequest* request = new(obst) DrawingRequest();
- request->type = FILLRECT;
- request->pos = transform.apply(rect.p1);
- request->layer = layer;
+ request->target = target;
+ request->type = FILLRECT;
+ request->pos = transform.apply(rect.p1);
+ request->layer = layer;
request->drawing_effect = transform.drawing_effect;
request->alpha = transform.alpha;
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);
}
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);
+}
+
+Rectf
+DrawingContext::get_cliprect() const
+{
+ return Rectf(get_translation().x, get_translation().y,
+ get_translation().x + SCREEN_WIDTH,
+ get_translation().y + SCREEN_HEIGHT);
+}
+
+void
DrawingContext::get_light(const Vector& position, Color* color)
{
if( ambient_color.red == 1.0f && ambient_color.green == 1.0f
}
DrawingRequest* request = new(obst) DrawingRequest();
+ request->target = target;
request->type = GETLIGHT;
request->pos = transform.apply(position);
//There is no light offscreen.
if(request->pos.x >= SCREEN_WIDTH || request->pos.y >= SCREEN_HEIGHT
- || request->pos.x < 0 || request->pos.y < 0){
+ || request->pos.x < 0 || request->pos.y < 0){
*color = Color( 0, 0, 0);
return;
}
}
void
-DrawingContext::get_light(const DrawingRequest& request) const
-{
- const GetLightRequest* getlightrequest
- = (GetLightRequest*) request.request_data;
-
- float pixels[3];
- for( int i = 0; i<3; i++)
- pixels[i] = 0.0f; //set to black
-
- float posX = request.pos.x * lightmap_width / SCREEN_WIDTH;
- float posY = screen->h - request.pos.y * lightmap_height / SCREEN_HEIGHT;
- glReadPixels((GLint) posX, (GLint) posY , 1, 1, GL_RGB, GL_FLOAT, pixels);
- *(getlightrequest->color_ptr) = Color( pixels[0], pixels[1], pixels[2]);
- //printf("get_light %f/%f =>%f/%f r%f g%f b%f\n", request.pos.x, request.pos.y, posX, posY, pixels[0], pixels[1], pixels[2]);
-}
-
-void
-DrawingContext::draw_surface_part(const DrawingRequest& request) const
-{
- const SurfacePartRequest* surfacepartrequest
- = (SurfacePartRequest*) request.request_data;
-
- surfacepartrequest->surface->draw_part(
- surfacepartrequest->source.x, surfacepartrequest->source.y,
- request.pos.x, request.pos.y,
- surfacepartrequest->size.x, surfacepartrequest->size.y,
- request.alpha, request.drawing_effect);
-}
-
-void
-DrawingContext::draw_gradient(const DrawingRequest& request) const
-{
- const GradientRequest* gradientrequest
- = (GradientRequest*) request.request_data;
- const Color& top = gradientrequest->top;
- const Color& bottom = gradientrequest->bottom;
-
- glDisable(GL_TEXTURE_2D);
- glBegin(GL_QUADS);
- glColor4f(top.red, top.green, top.blue, top.alpha);
- glVertex2f(0, 0);
- glVertex2f(SCREEN_WIDTH, 0);
- glColor4f(bottom.red, bottom.green, bottom.blue, bottom.alpha);
- glVertex2f(SCREEN_WIDTH, SCREEN_HEIGHT);
- glVertex2f(0, SCREEN_HEIGHT);
- glEnd();
- glEnable(GL_TEXTURE_2D);
-}
-
-void
-DrawingContext::draw_text(const DrawingRequest& request) const
-{
- const TextRequest* textrequest = (TextRequest*) request.request_data;
-
- textrequest->font->draw(textrequest->text, request.pos,
- textrequest->alignment, request.drawing_effect, request.alpha);
-}
-
-void
-DrawingContext::draw_filled_rect(const DrawingRequest& request) const
-{
- const FillRectRequest* fillrectrequest
- = (FillRectRequest*) request.request_data;
-
- float x = request.pos.x;
- float y = request.pos.y;
- float w = fillrectrequest->size.x;
- float h = fillrectrequest->size.y;
-
- glDisable(GL_TEXTURE_2D);
- glColor4f(fillrectrequest->color.red, fillrectrequest->color.green,
- fillrectrequest->color.blue, fillrectrequest->color.alpha);
-
- glBegin(GL_QUADS);
- glVertex2f(x, y);
- glVertex2f(x+w, y);
- glVertex2f(x+w, y+h);
- glVertex2f(x, y+h);
- glEnd();
- glEnable(GL_TEXTURE_2D);
-}
-
-void
-DrawingContext::draw_lightmap(const DrawingRequest& request) const
-{
- const Texture* texture = reinterpret_cast<Texture*> (request.request_data);
-
- // multiple the lightmap with the framebuffer
- glBlendFunc(GL_DST_COLOR, GL_ZERO);
-
- glBindTexture(GL_TEXTURE_2D, texture->get_handle());
- glBegin(GL_QUADS);
-
- glTexCoord2f(0, lightmap_uv_bottom);
- glVertex2f(0, 0);
-
- glTexCoord2f(lightmap_uv_right, lightmap_uv_bottom);
- glVertex2f(SCREEN_WIDTH, 0);
-
- glTexCoord2f(lightmap_uv_right, 0);
- glVertex2f(SCREEN_WIDTH, SCREEN_HEIGHT);
-
- glTexCoord2f(0, 0);
- glVertex2f(0, SCREEN_HEIGHT);
-
- glEnd();
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-}
-
-void
DrawingContext::do_drawing()
{
-#ifdef DEBUG
assert(transformstack.empty());
assert(target_stack.empty());
-#endif
transformstack.clear();
target_stack.clear();
//Use Lightmap if ambient color is not white.
- bool use_lightmap = ( ambient_color.red != 1.0f || ambient_color.green != 1.0f ||
- ambient_color.blue != 1.0f );
+ bool use_lightmap = ( ambient_color.red != 1.0f ||
+ ambient_color.green != 1.0f ||
+ ambient_color.blue != 1.0f );
// PART1: create lightmap
if(use_lightmap) {
- glViewport(0, screen->h - lightmap_height, lightmap_width, lightmap_height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(0, SCREEN_WIDTH, SCREEN_HEIGHT, 0, -1.0, 1.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
-
- glClearColor( ambient_color.red, ambient_color.green, ambient_color.blue, 1 );
- glClear(GL_COLOR_BUFFER_BIT);
- handle_drawing_requests(lightmap_requests);
- lightmap_requests.clear();
-
- glDisable(GL_BLEND);
- glBindTexture(GL_TEXTURE_2D, lightmap->get_handle());
- glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, screen->h - lightmap_height, lightmap_width, lightmap_height);
+ Lightmap& lightmap = video_system.get_lightmap();
- glViewport(0, 0, screen->w, screen->h);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(0, SCREEN_WIDTH, SCREEN_HEIGHT, 0, -1.0, 1.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glEnable(GL_BLEND);
+ lightmap.start_draw(ambient_color);
+ handle_drawing_requests(lightmap_requests);
+ lightmap.end_draw();
- // add a lightmap drawing request into the queue
DrawingRequest* request = new(obst) DrawingRequest();
- request->type = LIGHTMAPREQUEST;
+ request->target = NORMAL;
+ request->type = DRAW_LIGHTMAP;
request->layer = LAYER_HUD - 1;
- request->request_data = lightmap;
- requests->push_back(request);
+ drawing_requests.push_back(request);
}
- //glClear(GL_COLOR_BUFFER_BIT);
+ Renderer& renderer = video_system.get_renderer();
+ renderer.start_draw();
handle_drawing_requests(drawing_requests);
- drawing_requests.clear();
+ renderer.end_draw();
+
+ clear_drawing_requests(lightmap_requests);
+ clear_drawing_requests(drawing_requests);
+
obstack_free(&obst, NULL);
obstack_init(&obst);
- assert_gl("drawing");
- SDL_GL_SwapBuffers();
+ // if a screenshot was requested, take one
+ if (screenshot_requested) {
+ renderer.do_take_screenshot();
+ screenshot_requested = false;
+ }
+
+ renderer.flip();
}
class RequestPtrCompare
- : public std::binary_function<const DrawingRequest*,
- const DrawingRequest*,
- bool>
{
public:
bool operator()(const DrawingRequest* r1, const DrawingRequest* r2) const
};
void
-DrawingContext::handle_drawing_requests(DrawingRequests& requests) const
+DrawingContext::handle_drawing_requests(DrawingRequests& requests_)
{
- std::stable_sort(requests.begin(), requests.end(), RequestPtrCompare());
+ std::stable_sort(requests_.begin(), requests_.end(), RequestPtrCompare());
+
+ Renderer& renderer = video_system.get_renderer();
+ Lightmap& lightmap = video_system.get_lightmap();
DrawingRequests::const_iterator i;
- for(i = requests.begin(); i != requests.end(); ++i) {
+ for(i = requests_.begin(); i != requests_.end(); ++i) {
const DrawingRequest& request = **i;
- switch(request.type) {
- case SURFACE:
- {
- const Surface* surface = (const Surface*) request.request_data;
- if (request.angle == 0.0f &&
- request.color.red == 1.0f && request.color.green == 1.0f &&
- request.color.blue == 1.0f && request.color.alpha == 1.0f) {
- surface->draw(request.pos.x, request.pos.y, request.alpha,
- request.drawing_effect);
- } else {
- surface->draw(request.pos.x, request.pos.y,
- request.alpha, request.angle, request.color,
- request.blend, request.drawing_effect);
+ switch(request.target) {
+ case NORMAL:
+ switch(request.type) {
+ case SURFACE:
+ renderer.draw_surface(request);
+ break;
+ case SURFACE_PART:
+ renderer.draw_surface_part(request);
+ break;
+ case GRADIENT:
+ renderer.draw_gradient(request);
+ break;
+ case TEXT:
+ {
+ const TextRequest* textrequest = (TextRequest*) request.request_data;
+ textrequest->font->draw(&renderer, textrequest->text, request.pos,
+ 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;
}
break;
- }
- case SURFACE_PART:
- draw_surface_part(request);
- break;
- case GRADIENT:
- draw_gradient(request);
- break;
- case TEXT:
- draw_text(request);
- break;
- case FILLRECT:
- draw_filled_rect(request);
- break;
- case LIGHTMAPREQUEST:
- draw_lightmap(request);
- break;
- case GETLIGHT:
- get_light(request);
+ case LIGHTMAP:
+ switch(request.type) {
+ case SURFACE:
+ lightmap.draw_surface(request);
+ break;
+ case SURFACE_PART:
+ lightmap.draw_surface_part(request);
+ break;
+ case GRADIENT:
+ lightmap.draw_gradient(request);
+ break;
+ case TEXT:
+ {
+ const TextRequest* textrequest = (TextRequest*) request.request_data;
+ textrequest->font->draw(&renderer, textrequest->text, request.pos,
+ 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;
+ }
break;
}
}
}
void
-DrawingContext::set_target(Target target)
+DrawingContext::set_target(Target target_)
{
- this->target = target;
- if(target == LIGHTMAP) {
+ this->target = target_;
+ if(target_ == LIGHTMAP) {
requests = &lightmap_requests;
} else {
- assert(target == NORMAL);
+ assert(target_ == NORMAL);
requests = &drawing_requests;
}
}
{
ambient_color = new_color;
}
+
+void
+DrawingContext::take_screenshot()
+{
+ screenshot_requested = true;
+}
+
+/* EOF */
projects / supertux.git / blobdiff