// 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 <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 "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;
-};
static inline int next_po2(int val)
{
return result;
}
-DrawingContext::DrawingContext()
- : 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)
{
- 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()
{
+ delete renderer;
+ delete lightmap;
+
obstack_free(&obst, NULL);
+}
- texture_manager->remove_texture(lightmap);
+void
+DrawingContext::init_renderer()
+{
+ delete renderer;
delete lightmap;
+
+ renderer = new_renderer();
+ lightmap = new_lightmap();
}
void
DrawingRequest* request = new(obst) DrawingRequest();
+ request->target = target;
request->type = SURFACE;
request->pos = transform.apply(position);
DrawingRequest* request = new(obst) DrawingRequest();
+ request->target = target;
request->type = SURFACE_PART;
request->pos = transform.apply(dest);
request->layer = layer;
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)
{
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;
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);
+ 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);
DrawingContext::draw_filled_rect(const Rect& rect, const Color& color,
int layer)
{
+ draw_filled_rect(rect, color, 0.0f, layer);
+}
+
+void
+DrawingContext::draw_filled_rect(const Rect& 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);
+ 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
}
DrawingRequest* request = new(obst) DrawingRequest();
+ request->target = target;
request->type = GETLIGHT;
request->pos = transform.apply(position);
}
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
// 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);
+ lightmap->start_draw(ambient_color);
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);
-
- 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->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);
}
+ lightmap_requests.clear();
- //glClear(GL_COLOR_BUFFER_BIT);
handle_drawing_requests(drawing_requests);
drawing_requests.clear();
obstack_free(&obst, NULL);
obstack_init(&obst);
- assert_gl("drawing");
// if a screenshot was requested, take one
if (screenshot_requested) {
- do_take_screenshot();
+ renderer->do_take_screenshot();
screenshot_requested = false;
}
- SDL_GL_SwapBuffers();
+ renderer->flip();
}
class RequestPtrCompare
};
void
-DrawingContext::handle_drawing_requests(DrawingRequests& requests) const
+DrawingContext::handle_drawing_requests(DrawingRequests& requests)
{
std::stable_sort(requests.begin(), requests.end(), RequestPtrCompare());
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::do_take_screenshot()
-{
- // [Christoph] TODO: Yes, this method also takes care of the actual disk I/O. Split it?
-
- // create surface to hold screenshot
- #if SDL_BYTEORDER == SDL_BIG_ENDIAN
- SDL_Surface* shot_surf = SDL_CreateRGBSurface(SDL_SWSURFACE, SCREEN_WIDTH, SCREEN_HEIGHT, 24, 0x00FF0000, 0x0000FF00, 0x000000FF, 0);
- #else
- SDL_Surface* shot_surf = SDL_CreateRGBSurface(SDL_SWSURFACE, SCREEN_WIDTH, SCREEN_HEIGHT, 24, 0x000000FF, 0x0000FF00, 0x00FF0000, 0);
- #endif
- if (!shot_surf) {
- log_warning << "Could not create RGB Surface to contain screenshot" << std::endl;
- return;
- }
-
- // read pixels into array
- char* pixels = new char[3 * SCREEN_WIDTH * SCREEN_HEIGHT];
- if (!pixels) {
- log_warning << "Could not allocate memory to store screenshot" << std::endl;
- SDL_FreeSurface(shot_surf);
- return;
- }
- glReadPixels(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, GL_RGB, GL_UNSIGNED_BYTE, pixels);
-
- // copy array line-by-line
- for (int i = 0; i < SCREEN_HEIGHT; i++) {
- char* src = pixels + (3 * SCREEN_WIDTH * (SCREEN_HEIGHT - i - 1));
- char* dst = ((char*)shot_surf->pixels) + i * shot_surf->pitch;
- memcpy(dst, src, 3 * SCREEN_WIDTH);
- }
-
- // free array
- delete[](pixels);
-
- // save screenshot
- static const std::string writeDir = PHYSFS_getWriteDir();
- static const std::string dirSep = PHYSFS_getDirSeparator();
- static const std::string baseName = "screenshot";
- static const std::string fileExt = ".bmp";
- std::string fullFilename;
- for (int num = 0; num < 1000; num++) {
- std::ostringstream oss;
- oss << baseName;
- oss << std::setw(3) << std::setfill('0') << num;
- oss << fileExt;
- std::string fileName = oss.str();
- fullFilename = writeDir + dirSep + fileName;
- if (!PHYSFS_exists(fileName.c_str())) {
- SDL_SaveBMP(shot_surf, fullFilename.c_str());
- log_debug << "Wrote screenshot to \"" << fullFilename << "\"" << std::endl;
- SDL_FreeSurface(shot_surf);
- return;
- }
- }
- log_warning << "Did not save screenshot, because all files up to \"" << fullFilename << "\" already existed" << std::endl;
- SDL_FreeSurface(shot_surf);
-}
-
-void
DrawingContext::take_screenshot()
{
screenshot_requested = true;
projects / supertux.git / blobdiff