-// $Id:$
-//
// SuperTux - MagicBlock
//
-// Magic Blocks are tile-like game objects that are sensitive to
+// Magic Blocks are tile-like game objects that are sensitive to
// lighting conditions. They are rendered in a color and
// will only be solid as long as light of the same color shines
// on the block.
//
// Copyright (C) 2006 Wolfgang Becker <uafr@gmx.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 <vector>
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
-#include "magicblock.hpp"
-#include "object_factory.hpp"
-#include "sprite/sprite_manager.hpp"
+#include "object/camera.hpp"
+#include "object/magicblock.hpp"
+#include "sprite/sprite.hpp"
+#include "supertux/globals.hpp"
+#include "supertux/object_factory.hpp"
+#include "supertux/sector.hpp"
+#include "util/reader.hpp"
namespace {
- const float MIN_INTENSITY = 0.8;
- const float ALPHA_SOLID = 0.7;
- const float ALPHA_NONSOLID = 0.3;
+const float MIN_INTENSITY = 0.8f;
+const float ALPHA_SOLID = 0.7f;
+const float ALPHA_NONSOLID = 0.3f;
+const float MIN_SOLIDTIME = 1.0f;
+const float SWITCH_DELAY = 0.06f; /**< seconds to wait for stable conditions until switching solidity */
}
-MagicBlock::MagicBlock(const lisp::Lisp& lisp)
- : MovingSprite(lisp, "images/objects/magicblock/magicblock.sprite"),
- is_solid(false), light(1.0f,1.0f,1.0f)
+MagicBlock::MagicBlock(const Reader& lisp) :
+ MovingSprite(lisp, "images/objects/magicblock/magicblock.sprite"),
+ is_solid(false),
+ trigger_red(),
+ trigger_green(),
+ trigger_blue(),
+ solid_time(0),
+ switch_delay(0),
+ color(),
+ light(1.0f,1.0f,1.0f),
+ center(),
+ black()
{
set_group(COLGROUP_STATIC);
//get color from lisp
std::vector<float> vColor;
- lisp.get_vector("color", vColor );
+ lisp.get("color", vColor );
color = Color( vColor );
//all alpha to make the sprite still visible
color.alpha = ALPHA_SOLID;
//set trigger
- trigger_red = (color.red == 1.0f ? MIN_INTENSITY : 0);
- trigger_green = (color.green == 1.0f ? MIN_INTENSITY : 0);
- trigger_blue = (color.blue == 1.0f ? MIN_INTENSITY : 0);
+ if(color.red == 0 && color.green == 0 && color.blue == 0) { //is it black?
+ black = true;
+ trigger_red = MIN_INTENSITY;
+ trigger_green = MIN_INTENSITY;
+ trigger_blue = MIN_INTENSITY;
+ } else {
+ black = false;
+ trigger_red = (color.red == 1.0f ? MIN_INTENSITY : 0);
+ trigger_green = (color.green == 1.0f ? MIN_INTENSITY : 0);
+ trigger_blue = (color.blue == 1.0f ? MIN_INTENSITY : 0);
+ }
- center = Vector((get_bbox().p1.x+get_bbox().p2.x)/2,
- (get_bbox().p1.y+get_bbox().p2.y)/2);
+ center = get_bbox().get_middle();
}
void
-MagicBlock::update(float /*elapsed_time*/)
+MagicBlock::update(float elapsed_time)
{
- if(light.red >= trigger_red && light.green >= trigger_green
- && light.blue >= trigger_blue) {
- is_solid = true;
+ //Check if center of this block is on screen.
+ //Don't update if not, because there is no light off screen.
+ float screen_left = Sector::current()->camera->get_translation().x;
+ float screen_top = Sector::current()->camera->get_translation().y;
+ float screen_right = screen_left+ SCREEN_WIDTH;
+ float screen_bottom = screen_top + SCREEN_HEIGHT;
+ if((center.x > screen_right ) || ( center.y > screen_bottom) ||
+ ( center.x < screen_left) || ( center.y < screen_top)) {
+ switch_delay = SWITCH_DELAY;
+ return;
+ }
+
+ bool lighting_ok;
+ if(black) {
+ lighting_ok = (light.red >= trigger_red || light.green >= trigger_green
+ || light.blue >= trigger_blue);
+ }else{
+ lighting_ok = (light.red >= trigger_red && light.green >= trigger_green
+ && light.blue >= trigger_blue);
+ }
+
+ // overrule lighting_ok if switch_delay has not yet passed
+ if (lighting_ok == is_solid) {
+ switch_delay = SWITCH_DELAY;
} else {
- is_solid = false;
+ if (switch_delay > 0) {
+ lighting_ok = is_solid;
+ switch_delay -= elapsed_time;
+ }
+ }
+
+ if (lighting_ok) {
+ // lighting suggests going solid
+
+ if (!is_solid) {
+ if (Sector::current()->is_free_of_movingstatics(get_bbox(), this)) {
+ is_solid = true;
+ solid_time = 0;
+ switch_delay = SWITCH_DELAY;
+ }
+ }
+ } else {
+ // lighting suggests going nonsolid
+
+ if( solid_time >= MIN_SOLIDTIME ){
+ is_solid = false;
+ }
}
//Update Sprite.
if(is_solid) {
+ solid_time+=elapsed_time;
color.alpha = ALPHA_SOLID;
sprite->set_action("solid");
+ set_group(COLGROUP_STATIC);
} else {
color.alpha = ALPHA_NONSOLID;
sprite->set_action("normal");
+ set_group(COLGROUP_DISABLED);
}
}
context.draw_filled_rect( get_bbox(), color, layer);
}
+bool
+MagicBlock::collides(GameObject& /*other*/, const CollisionHit& /*hit*/)
+{
+ return is_solid;
+}
+
HitResponse
MagicBlock::collision(GameObject& /*other*/, const CollisionHit& /*hit*/)
{
- if(is_solid) {
- return SOLID;
- } else {
- return PASSTHROUGH;
- }
+ return FORCE_MOVE;
}
-IMPLEMENT_FACTORY(MagicBlock, "magicblock");
+/* EOF */
projects / supertux.git / blobdiff