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-rw-r--r--src/View/TopView.cpp44
-rw-r--r--src/View/TopView.h4
-rw-r--r--src/View/View.h7
3 files changed, 52 insertions, 3 deletions
diff --git a/src/View/TopView.cpp b/src/View/TopView.cpp
index 38d4824..684f4ef 100644
--- a/src/View/TopView.cpp
+++ b/src/View/TopView.cpp
@@ -21,11 +21,51 @@
#include <Data/Level.h>
#include <Data/Room.h>
#include <Data/Triangle.h>
+#include <Gui/RenderArea.h>
#include <GL/gl.h>
+#include <cmath>
namespace ZoomEdit {
namespace View {
+void TopView::drawGrid(Gui::RenderArea *renderArea) {
+ float depth = std::log10(renderArea->getScale())-0.75f;
+ float depth2 = std::floor(depth);
+ float step = std::pow(0.1f, depth2);
+ float x1, x2;
+ float y1, y2;
+ float width = renderArea->getViewWidth();
+ float height = renderArea->getViewHeight();
+
+ x1 = x2 = renderArea->getXCenter();
+ y1 = y2 = renderArea->getYCenter();
+ x1 -= width/2; x2 += width/2;
+ y1 -= height/2; y2 += height/2;
+
+ glLineWidth(1.0f);
+
+ glBegin(GL_LINES);
+
+ for(int i = 0; 0.4f*(depth-depth2+i-1) < 0.5f; i++) {
+ float f = std::min(0.4f*(depth-depth2+i), 0.5f);
+ glColor3f(f, f, f);
+
+ for(f = x1 - std::fmod(x1, step); f <= x2; f+=step) {
+ glVertex2f(f, y1);
+ glVertex2f(f, y2);
+ }
+
+ for(f = y1 - std::fmod(y1, step); f <= y2; f+=step) {
+ glVertex2f(x1, f);
+ glVertex2f(x2, f);
+ }
+
+ step *= 10;
+ }
+
+ glEnd();
+}
+
void TopView::renderRoom(Data::Room *room) {
const std::list<Data::Triangle*> &floor = room->getFloorTriangles();
@@ -43,7 +83,9 @@ void TopView::renderRoom(Data::Room *room) {
glEnd();
}
-void TopView::render() {
+void TopView::render(Gui::RenderArea *renderArea) {
+ drawGrid(renderArea);
+
if(!level)
return;
diff --git a/src/View/TopView.h b/src/View/TopView.h
index 5141e51..844faa5 100644
--- a/src/View/TopView.h
+++ b/src/View/TopView.h
@@ -35,6 +35,8 @@ class TopView : public View {
private:
Data::Level *level;
+ void drawGrid(Gui::RenderArea *renderArea);
+
void renderRoom(Data::Room *room);
public:
@@ -43,7 +45,7 @@ class TopView : public View {
Data::Level* getLevel() {return level;}
void setLevel(Data::Level *level0) {level = level0;}
- virtual void render();
+ virtual void render(Gui::RenderArea *renderArea);
};
}
diff --git a/src/View/View.h b/src/View/View.h
index 32c201e..cdf27aa 100644
--- a/src/View/View.h
+++ b/src/View/View.h
@@ -21,13 +21,18 @@
#define ZOOMEDIT_VIEW_H_
namespace ZoomEdit {
+
+namespace Gui {
+class RenderArea;
+}
+
namespace View {
class View {
public:
virtual ~View() {}
- virtual void render() = 0;
+ virtual void render(Gui::RenderArea *renderArea) = 0;
};
}