zoomedit:

* Added 2D vector maths
* Made rooms selectable
This commit is contained in:
neoraider 2008-05-20 09:55:04 +00:00
parent 094c72221e
commit 5bb27d2b6d
20 changed files with 893 additions and 23 deletions

2
aclocal.m4 vendored
View file

@ -252,7 +252,7 @@ AC_DEFUN([AC_GTKGLEXT_SUPPORTS_MULTIHEAD],
# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- # libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
# serial 52 Debian 1.5.26-1 AC_PROG_LIBTOOL # serial 52 Debian 1.5.26-1ubuntu1 AC_PROG_LIBTOOL
# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED) # AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)

3
configure vendored
View file

@ -20541,7 +20541,7 @@ LIBS="$glademm_LIBS $GTKGLEXT_LIBS $libxml_LIBS $LIBS"
# Checks for library functions. # Checks for library functions.
ac_config_files="$ac_config_files Makefile src/Makefile src/Data/Makefile src/Gui/Makefile src/Util/Makefile src/View/Makefile" ac_config_files="$ac_config_files Makefile src/Makefile src/Data/Makefile src/Gui/Makefile src/Math/Makefile src/Util/Makefile src/View/Makefile"
cat >confcache <<\_ACEOF cat >confcache <<\_ACEOF
# This file is a shell script that caches the results of configure # This file is a shell script that caches the results of configure
@ -21140,6 +21140,7 @@ do
"src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;; "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
"src/Data/Makefile") CONFIG_FILES="$CONFIG_FILES src/Data/Makefile" ;; "src/Data/Makefile") CONFIG_FILES="$CONFIG_FILES src/Data/Makefile" ;;
"src/Gui/Makefile") CONFIG_FILES="$CONFIG_FILES src/Gui/Makefile" ;; "src/Gui/Makefile") CONFIG_FILES="$CONFIG_FILES src/Gui/Makefile" ;;
"src/Math/Makefile") CONFIG_FILES="$CONFIG_FILES src/Math/Makefile" ;;
"src/Util/Makefile") CONFIG_FILES="$CONFIG_FILES src/Util/Makefile" ;; "src/Util/Makefile") CONFIG_FILES="$CONFIG_FILES src/Util/Makefile" ;;
"src/View/Makefile") CONFIG_FILES="$CONFIG_FILES src/View/Makefile" ;; "src/View/Makefile") CONFIG_FILES="$CONFIG_FILES src/View/Makefile" ;;

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@ -34,6 +34,7 @@ AC_CONFIG_FILES([
src/Makefile src/Makefile
src/Data/Makefile src/Data/Makefile
src/Gui/Makefile src/Gui/Makefile
src/Math/Makefile
src/Util/Makefile src/Util/Makefile
src/View/Makefile src/View/Makefile
]) ])

View file

@ -130,8 +130,7 @@ bool RenderArea::onScrollEvent(GdkEventScroll *event) {
} }
bool RenderArea::onButtonPressEvent(GdkEventButton *event) { bool RenderArea::onButtonPressEvent(GdkEventButton *event) {
if(view && event->button == 1) view->click(event->x - get_width()/2, event->y - get_height()/2, event->button);
view->click(event->x, event->y);
return true; return true;
} }

View file

@ -129,7 +129,9 @@ void Instance::createLevel() {
start->set_attribute("y", "0"); start->set_attribute("y", "0");
start->set_attribute("z", "0"); start->set_attribute("z", "0");
root->add_child("rooms"); xmlpp::Element *rooms = root->add_child("rooms");
rooms->add_child("floor");
root->add_child("gates"); root->add_child("gates");
root->add_child("textures"); root->add_child("textures");

View file

@ -1,5 +1,5 @@
SUBDIRS = Data Gui Util View SUBDIRS = Data Gui Math Util View
bin_PROGRAMS = zoomedit bin_PROGRAMS = zoomedit
zoomedit_SOURCES = zoomedit.cpp Instance.cpp zoomedit_SOURCES = zoomedit.cpp Instance.cpp
zoomedit_LDADD = Data/libdata.la Gui/libgui.la Util/libutil.la View/libview.la zoomedit_LDADD = Data/libdata.la Gui/libgui.la Util/libutil.la View/libview.la Math/libmath.la

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@ -49,7 +49,7 @@ PROGRAMS = $(bin_PROGRAMS)
am_zoomedit_OBJECTS = zoomedit.$(OBJEXT) Instance.$(OBJEXT) am_zoomedit_OBJECTS = zoomedit.$(OBJEXT) Instance.$(OBJEXT)
zoomedit_OBJECTS = $(am_zoomedit_OBJECTS) zoomedit_OBJECTS = $(am_zoomedit_OBJECTS)
zoomedit_DEPENDENCIES = Data/libdata.la Gui/libgui.la Util/libutil.la \ zoomedit_DEPENDENCIES = Data/libdata.la Gui/libgui.la Util/libutil.la \
View/libview.la View/libview.la Math/libmath.la
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am__depfiles_maybe = depfiles am__depfiles_maybe = depfiles
@ -193,9 +193,9 @@ sysconfdir = @sysconfdir@
target_alias = @target_alias@ target_alias = @target_alias@
top_builddir = @top_builddir@ top_builddir = @top_builddir@
top_srcdir = @top_srcdir@ top_srcdir = @top_srcdir@
SUBDIRS = Data Gui Util View SUBDIRS = Data Gui Math Util View
zoomedit_SOURCES = zoomedit.cpp Instance.cpp zoomedit_SOURCES = zoomedit.cpp Instance.cpp
zoomedit_LDADD = Data/libdata.la Gui/libgui.la Util/libutil.la View/libview.la zoomedit_LDADD = Data/libdata.la Gui/libgui.la Util/libutil.la View/libview.la Math/libmath.la
all: config.h all: config.h
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src/Math/Makefile.am Normal file
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@ -0,0 +1,3 @@
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libmath_la_SOURCES = Triangle2D.cpp Vector2D.cpp Vertex2D.cpp

442
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src/Math/Triangle2D.cpp Normal file
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@ -0,0 +1,47 @@
/*
* Triangle2D.cpp
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.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 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the 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, see <http://www.gnu.org/licenses/>.
*/
#include "Triangle2D.h"
#include <cmath>
namespace ZoomEdit {
namespace Math {
float Triangle2D::area() const {
return std::fabs((vertices[0].getY() + vertices[1].getY())*(vertices[0].getX()-vertices[1].getX())
+ (vertices[1].getY() + vertices[2].getY())*(vertices[1].getX()-vertices[2].getX())
+ (vertices[2].getY() + vertices[0].getY())*(vertices[2].getX()-vertices[0].getX()))/2;
}
bool Triangle2D::contains(const Vertex2D &v) const {
for(int i = 0; i < 3; ++i) {
Vector2D v1 = vertices[(i+2)%3] - vertices[(i+1)%3];
Vector2D v2 = vertices[i] - vertices[(i+1)%3];
Vector2D vp = v - vertices[(i+1)%3];
if((v1.getX()*vp.getY()-vp.getX()*v1.getY())*(v1.getX()*v2.getY()-v2.getX()*v1.getY()) < 0)
return false;
}
return true;
}
}
}

61
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@ -0,0 +1,61 @@
/*
* Triangle2D.h
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.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 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZOOMEDIT_MATH_TRIANGLE2D_H_
#define ZOOMEDIT_MATH_TRIANGLE2D_H_
#include "Vertex2D.h"
namespace ZoomEdit {
namespace Math {
class Triangle2D {
private:
Vertex2D vertices[3];
public:
Triangle2D() {}
Triangle2D(const Vertex2D &v1, const Vertex2D &v2, const Vertex2D &v3) {
vertices[0] = v1;
vertices[1] = v2;
vertices[2] = v3;
}
Triangle2D(const Vertex2D *v) {
setVertices(v);
}
const Vertex2D& getVertex(unsigned int i) const {return vertices[i];}
void setVertex(unsigned int i, const Vertex2D &v) {vertices[i] = v;}
void setVertices(const Vertex2D *v) {
for(int i = 0; i < 3; ++i)
setVertex(i, v[i]);
}
float area() const;
bool contains(const Vertex2D &v) const;
};
}
}
#endif /*ZOOMEDIT_MATH_TRIANGLE2D_H_*/

83
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@ -0,0 +1,83 @@
/*
* Vector2D.cpp
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.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 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the 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, see <http://www.gnu.org/licenses/>.
*/
#include "Vector2D.h"
#include <cmath>
namespace ZoomEdit {
namespace Math {
float Vector2D::lengthSq() const {
return x*x + y*y;
}
float Vector2D::length() const {
return std::sqrt(lengthSq());
}
Vector2D Vector2D::operator+(const Vector2D &v) const {
return Vector2D(x + v.x, y + v.y);
}
Vector2D Vector2D::operator-(const Vector2D &v) const {
return Vector2D(x - v.x, y - v.y);
}
float Vector2D::operator*(const Vector2D &v) const {
return (x*v.x + y*v.y);
}
Vector2D Vector2D::operator*(float f) const {
return Vector2D(x*f, y*f);
}
Vector2D Vector2D::operator/(float f) const {
return Vector2D(x/f, y/f);
}
Vector2D& Vector2D::operator+=(const Vector2D &v) {
x += v.x;
y += v.y;
return *this;
}
Vector2D& Vector2D::operator-=(const Vector2D &v) {
x -= v.x;
y -= v.y;
return *this;
}
Vector2D& Vector2D::operator*=(float f) {
x *= f;
y *= f;
return *this;
}
Vector2D& Vector2D::operator/=(float f) {
x /= f;
y /= f;
return *this;
}
}
}

66
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@ -0,0 +1,66 @@
/*
* Vector2D.h
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.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 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZOOMEDIT_MATH_VECTOR2D_H_
#define ZOOMEDIT_MATH_VECTOR2D_H_
namespace ZoomEdit {
namespace Math {
class Vector2D {
private:
float x, y;
public:
Vector2D() : x(0), y(0) {}
Vector2D(float x0, float y0) : x(x0), y(y0) {}
float getX() const {return x;}
void setX(float x0) {x = x0;}
float getY() const {return y;}
void setY(float y0) {y = y0;}
float lengthSq() const;
float length() const;
void normalize() {
if(lengthSq())
*this /= length();
}
Vector2D operator+(const Vector2D &v) const;
Vector2D operator-(const Vector2D &v) const;
float operator*(const Vector2D &v) const;
Vector2D operator*(float f) const;
Vector2D operator/(float f) const;
Vector2D& operator+=(const Vector2D &v);
Vector2D& operator-=(const Vector2D &v);
Vector2D& operator*=(float f);
Vector2D& operator/=(float f);
};
}
}
#endif /*ZOOMEDIT_MATH_VECTOR2D_H_*/

61
src/Math/Vertex2D.cpp Normal file
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@ -0,0 +1,61 @@
/*
* Vertex2D.cpp
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.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 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the 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, see <http://www.gnu.org/licenses/>.
*/
#include "Vertex2D.h"
#include <cmath>
namespace ZoomEdit {
namespace Math {
float Vertex2D::distanceSq(const Vertex2D &v) const {
return (x - v.x)*(x - v.x) + (y - v.y)*(y - v.y);
}
float Vertex2D::distance(const Vertex2D &v) const {
return std::sqrt(distanceSq(v));
}
Vector2D Vertex2D::operator-(const Vertex2D &v) const {
return Vector2D(x - v.x, y - v.y);
}
Vertex2D Vertex2D::operator+(const Vector2D &v) const {
return Vertex2D(x + v.getX(), y + v.getY());
}
Vertex2D Vertex2D::operator-(const Vector2D &v) const {
return Vertex2D(x - v.getX(), y - v.getY());
}
Vertex2D& Vertex2D::operator+=(const Vector2D &v) {
x += v.getX();
y += v.getY();
return *this;
}
Vertex2D& Vertex2D::operator-=(const Vector2D &v) {
x -= v.getX();
y -= v.getY();
return *this;
}
}
}

57
src/Math/Vertex2D.h Normal file
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@ -0,0 +1,57 @@
/*
* Vertex2D.h
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.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 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZOOMEDIT_MATH_VERTEX2D_H_
#define ZOOMEDIT_MATH_VERTEX2D_H_
#include "Vector2D.h"
namespace ZoomEdit {
namespace Math {
class Vertex2D {
private:
float x, y;
public:
Vertex2D() : x(0), y(0) {}
Vertex2D(float x0, float y0) : x(x0), y(y0) {}
float getX() const {return x;}
void setX(float x0) {x = x0;}
float getY() const {return y;}
void setY(float y0) {y = y0;}
float distanceSq(const Vertex2D &v) const;
float distance(const Vertex2D &v) const;
Vector2D operator-(const Vertex2D &v) const;
Vertex2D operator+(const Vector2D &v) const;
Vertex2D operator-(const Vector2D &v) const;
Vertex2D& operator+=(const Vector2D &v);
Vertex2D& operator-=(const Vector2D &v);
};
}
}
#endif /*ZOOMEDIT_MATH_VERTEX2D_H_*/

View file

@ -85,12 +85,12 @@ void MapView::move(float x, float y, unsigned int state) {
mainView->setYCenter(mainView->getYCenter() - y/scale); mainView->setYCenter(mainView->getYCenter() - y/scale);
} }
void MapView::click(float x, float y) { void MapView::click(float x, float y, unsigned int button) {
if(!mainView) if(!mainView || button != 1)
return; return;
mainView->setXCenter(xCenter + (x - viewWidth/2)/scale); mainView->setXCenter(xCenter + x/scale);
mainView->setYCenter(yCenter + (y - viewHeight/2)/scale); mainView->setYCenter(yCenter + y/scale);
} }
void MapView::render() { void MapView::render() {

View file

@ -61,7 +61,7 @@ class MapView : public View {
virtual void zoom(int zoom, float, float); virtual void zoom(int zoom, float, float);
virtual void move(float x, float y, unsigned int state); virtual void move(float x, float y, unsigned int state);
virtual void click(float x, float y); virtual void click(float x, float y, unsigned int button);
}; };
} }

View file

@ -22,6 +22,7 @@
#include <Data/Room.h> #include <Data/Room.h>
#include <Data/Triangle.h> #include <Data/Triangle.h>
#include <Gui/RenderArea.h> #include <Gui/RenderArea.h>
#include <Math/Triangle2D.h>
#include <GL/gl.h> #include <GL/gl.h>
#include <cmath> #include <cmath>
#include <set> #include <set>
@ -94,10 +95,13 @@ void TopView::drawGrid() {
glEnd(); glEnd();
} }
void TopView::renderRoom(Data::Room *room) { void TopView::renderRoom(Data::Room *room, bool selected) {
const std::list<Data::Triangle*> &floor = room->getFloorTriangles(); const std::list<Data::Triangle*> &floor = room->getFloorTriangles();
std::multiset<Edge> edges; std::multiset<Edge> edges;
if(selected)
glColor4f(0.0f, 0.7f, 1.0f, 0.2f);
else
glColor4f(0.0f, 0.7f, 1.0f, 0.3f); glColor4f(0.0f, 0.7f, 1.0f, 0.3f);
glBegin(GL_TRIANGLES); glBegin(GL_TRIANGLES);
@ -127,8 +131,14 @@ void TopView::renderRoom(Data::Room *room) {
} }
} }
if(selected) {
glColor4f(1.0f, 1.0f, 1.0f, 0.9f);
glLineWidth(2.0f);
}
else {
glColor4f(0.0f, 0.7f, 1.0f, 0.7f); glColor4f(0.0f, 0.7f, 1.0f, 0.7f);
glLineWidth(1.0f); glLineWidth(1.0f);
}
glBegin(GL_LINES); glBegin(GL_LINES);
@ -206,7 +216,38 @@ void TopView::render() {
const std::list<Data::Room*> &rooms = level->getRooms(); const std::list<Data::Room*> &rooms = level->getRooms();
for(std::list<Data::Room*>::const_iterator room = rooms.begin(); room != rooms.end(); ++room) for(std::list<Data::Room*>::const_iterator room = rooms.begin(); room != rooms.end(); ++room)
renderRoom(*room); renderRoom(*room, *room == selectedRoom);
}
void TopView::click(float x, float y, unsigned int button) {
if(button != 1)
return;
Math::Vertex2D v(xCenter + x/scale, yCenter + y/scale);
selectedRoom = 0;
const std::list<Data::Room*>& rooms = level->getRooms();
for(std::list<Data::Room*>::const_iterator room = rooms.begin(); room != rooms.end(); ++room) {
const std::list<Data::Triangle*>& triangles = (*room)->getFloorTriangles();
for(std::list<Data::Triangle*>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
Math::Vertex2D v1((*t)->getVertex(0).getX(), (*t)->getVertex(0).getZ());
Math::Vertex2D v2((*t)->getVertex(1).getX(), (*t)->getVertex(1).getZ());
Math::Vertex2D v3((*t)->getVertex(2).getX(), (*t)->getVertex(2).getZ());
if(Math::Triangle2D(v1, v2, v3).contains(v)) {
selectedRoom = *room;
break;
}
}
if(selectedRoom)
break;
}
signalUpdate().emit();
} }
} }

View file

@ -52,10 +52,13 @@ class TopView : public View {
int zoomLevel; int zoomLevel;
float scale; float scale;
Data::Room *selectedRoom;
void drawGrid(); void drawGrid();
public: public:
TopView(Data::Level *level0 = 0) : level(level0), viewWidth(0), viewHeight(0), xCenter(0), yCenter(0), zoomLevel(0), scale(100) {} TopView(Data::Level *level0 = 0)
: level(level0), viewWidth(0), viewHeight(0), xCenter(0), yCenter(0), zoomLevel(0), scale(100), selectedRoom(0) {}
float getWidth() const {return viewWidth;} float getWidth() const {return viewWidth;}
float getHeight() const {return viewHeight;} float getHeight() const {return viewHeight;}
@ -67,6 +70,8 @@ class TopView : public View {
float getScale() const {return scale;} float getScale() const {return scale;}
Data::Room* getSelectedRoom() {return selectedRoom;}
Data::Level* getLevel() {return level;} Data::Level* getLevel() {return level;}
void setLevel(Data::Level *level0) {level = level0; signalUpdate().emit();} void setLevel(Data::Level *level0) {level = level0; signalUpdate().emit();}
@ -77,8 +82,9 @@ class TopView : public View {
virtual void zoom(int zoom, float x, float y); virtual void zoom(int zoom, float x, float y);
virtual void move(float x, float y, unsigned int state); virtual void move(float x, float y, unsigned int state);
virtual void click(float x, float y, unsigned int button);
static void renderRoom(Data::Room *room); static void renderRoom(Data::Room *room, bool selected = false);
}; };
} }

View file

@ -39,7 +39,7 @@ class View {
virtual void zoom(int, float, float) {} virtual void zoom(int, float, float) {}
virtual void move(float, float, unsigned int) {} virtual void move(float, float, unsigned int) {}
virtual void click(float, float) {} virtual void click(float, float, unsigned int) {}
sigc::signal<void> signalUpdate() const {return update;} sigc::signal<void> signalUpdate() const {return update;}
}; };