From 08a156c1136f0d63747bfc8bb95737acdf529242 Mon Sep 17 00:00:00 2001
From: twanvl <twanvl@0fc631ac-6414-0410-93d0-97cfa31319b6>
Date: Thu, 5 Jun 2008 20:17:32 +0000
Subject: [PATCH] Allow rotations when checking bounds of symbol parts. This
 will be needed to determine the correct symbol size when there are
 symmetries.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@976 0fc631ac-6414-0410-93d0-97cfa31319b6
---
 src/data/symbol.cpp               |  4 +++-
 src/gfx/bezier.cpp                | 28 +++++++++++++++-------------
 src/gfx/bezier.hpp                | 10 ++++++----
 src/gui/set/random_pack_panel.cpp |  8 +++++++-
 src/gui/set/random_pack_panel.hpp |  3 +++
 src/gui/set/window.cpp            |  1 +
 src/util/rotation.hpp             |  2 +-
 7 files changed, 36 insertions(+), 20 deletions(-)

diff --git a/src/data/symbol.cpp b/src/data/symbol.cpp
index afa4306b..f1ec8b60 100644
--- a/src/data/symbol.cpp
+++ b/src/data/symbol.cpp
@@ -7,6 +7,7 @@
 // ----------------------------------------------------------------------------- : Includes
 
 #include <util/prec.hpp>
+#include <util/rotation.hpp>
 #include <data/symbol.hpp>
 #include <script/to_value.hpp>
 #include <gfx/bezier.hpp>
@@ -184,8 +185,9 @@ void SymbolShape::enforceConstraints() {
 void SymbolShape::calculateBounds() {
 	min_pos =  Vector2D::infinity();
 	max_pos = -Vector2D::infinity();
+	Rotation rot(0);
 	for (int i = 0 ; i < (int)points.size() ; ++i) {
-		segment_bounds(*getPoint(i), *getPoint(i + 1), min_pos, max_pos);
+		segment_bounds(rot, *getPoint(i), *getPoint(i + 1), min_pos, max_pos);
 	}
 }
 
diff --git a/src/gfx/bezier.cpp b/src/gfx/bezier.cpp
index 9545f8d9..602c75e5 100644
--- a/src/gfx/bezier.cpp
+++ b/src/gfx/bezier.cpp
@@ -7,6 +7,7 @@
 // ----------------------------------------------------------------------------- : Includes
 
 #include <util/prec.hpp>
+#include <util/rotation.hpp>
 #include <gfx/bezier.hpp>
 #include <gfx/polynomial.hpp>
 
@@ -93,20 +94,20 @@ void segment_subdivide(const ControlPoint& p0, const ControlPoint& p1, const Vec
 
 // ----------------------------------------------------------------------------- : Bounds
 
-void segment_bounds(const ControlPoint& p1, const ControlPoint& p2, Vector2D& min, Vector2D& max) {
+void segment_bounds(const Rotation& rot, const ControlPoint& p1, const ControlPoint& p2, Vector2D& min, Vector2D& max) {
 	assert(p1.segment_after == p2.segment_before);
 	if (p1.segment_after == SEGMENT_LINE) {
-		line_bounds  (p1.pos, p2.pos, min, max);
+		line_bounds  (rot, p1.pos, p2.pos, min, max);
 	} else {
-		bezier_bounds(p1,     p2,     min, max);
+		bezier_bounds(rot, p1,     p2,     min, max);
 	}
 }
 
-void bezier_bounds(const ControlPoint& p1, const ControlPoint& p2, Vector2D& min, Vector2D& max) {
+void bezier_bounds(const Rotation& rot, const ControlPoint& p1, const ControlPoint& p2, Vector2D& min, Vector2D& max) {
 	assert(p1.segment_after == SEGMENT_CURVE);
 	// First of all, the corners should be in the bounding box
-	point_bounds(p1.pos, min, max);
-	point_bounds(p2.pos, min, max);
+	point_bounds(rot, p1.pos, min, max);
+	point_bounds(rot, p2.pos, min, max);
 	// Solve the derivative of the bezier curve to find its extremes
 	// It's only a quadtratic equation :)
 	BezierCurve curve(p1,p2);
@@ -118,19 +119,20 @@ void bezier_bounds(const ControlPoint& p1, const ControlPoint& p2, Vector2D& min
 	for (UInt i = 0 ; i < count ; ++i) {
 		double t = roots[i];
 		if (t >=0 && t <= 1) {
-			point_bounds(curve.pointAt(t), min, max);
+			point_bounds(rot, curve.pointAt(t), min, max);
 		}
 	}
 }
 
-void line_bounds(const Vector2D& p1, const Vector2D& p2, Vector2D& min, Vector2D& max) {
-	point_bounds(p1, min, max);
-	point_bounds(p2, min, max);
+void line_bounds(const Rotation& rot, const Vector2D& p1, const Vector2D& p2, Vector2D& min, Vector2D& max) {
+	point_bounds(rot, p1, min, max);
+	point_bounds(rot, p2, min, max);
 }
 
-void point_bounds(const Vector2D& p, Vector2D& min, Vector2D& max) {
-	min = piecewise_min(min, p);
-	max = piecewise_max(max, p);
+void point_bounds(const Rotation& rot, const Vector2D& p, Vector2D& min, Vector2D& max) {
+	Vector2D pr = rot.tr(p);
+	min = piecewise_min(min, pr);
+	max = piecewise_max(max, pr);
 }
 
 // Is a point inside the bounds <min...max>?
diff --git a/src/gfx/bezier.hpp b/src/gfx/bezier.hpp
index d16d68f6..40323163 100644
--- a/src/gfx/bezier.hpp
+++ b/src/gfx/bezier.hpp
@@ -18,6 +18,8 @@
 #include <util/vector2d.hpp>
 #include <data/symbol.hpp>
 
+class Rotation;
+
 // ----------------------------------------------------------------------------- : Evaluation
 
 /// A bezier curve for evaluation
@@ -76,25 +78,25 @@ void segment_subdivide(const ControlPoint& p0, const ControlPoint& p1, const Vec
  *  min is only changed if the minimum is smaller then the current value in min,
  *  max only if the maximum is larger.
  */
-void segment_bounds(const ControlPoint& p1, const ControlPoint& p2, Vector2D& min, Vector2D& max);
+void segment_bounds(const Rotation& rot, const ControlPoint& p1, const ControlPoint& p2, Vector2D& min, Vector2D& max);
 
 /// Find a bounding box that fits a curve between p1 and p2, stores the results in min and max.
 /** min is only changed if the minimum is smaller then the current value in min,
  *  max only if the maximum is larger
  */
-void bezier_bounds(const ControlPoint& p1, const ControlPoint& p2, Vector2D& min, Vector2D& max);
+void bezier_bounds(const Rotation& rot, const ControlPoint& p1, const ControlPoint& p2, Vector2D& min, Vector2D& max);
 
 /// Find a bounding box that fits around p1 and p2, stores the result in min and max
 /** min is only changed if the minimum is smaller then the current value in min,
  *  max only if the maximum is larger
  */
-void line_bounds(const Vector2D& p1, const Vector2D& p2, Vector2D& min, Vector2D& max);
+void line_bounds(const Rotation& rot, const Vector2D& p1, const Vector2D& p2, Vector2D& min, Vector2D& max);
 
 /// Find a bounding 'box' that fits around a single point
 /** min is only changed if the minimum is smaller then the current value in min,
  *  max only if the maximum is larger
  */
-void point_bounds(const Vector2D& p, Vector2D& min, Vector2D& max);
+void point_bounds(const Rotation& rot, const Vector2D& p, Vector2D& min, Vector2D& max);
 
 // ----------------------------------------------------------------------------- : Point tests
 
diff --git a/src/gui/set/random_pack_panel.cpp b/src/gui/set/random_pack_panel.cpp
index 39950f3f..4b3d4784 100644
--- a/src/gui/set/random_pack_panel.cpp
+++ b/src/gui/set/random_pack_panel.cpp
@@ -30,7 +30,7 @@ RandomPackPanel::RandomPackPanel(Window* parent, int id)
 				wxSizer* s5 = new wxStaticBoxSizer(wxHORIZONTAL, this, _LABEL_("pack totals"));
 				s3->Add(s5,       1, wxEXPAND | wxLEFT, 8);
 				s3->Add(generate, 0, wxALIGN_BOTTOM | wxLEFT, 8);
-			s2->Add(s3, 0, wxEXPAND | wxALL, 4);
+			s2->Add(s3, 0, wxEXPAND | wxALL & ~wxTOP, 4);
 			s2->Add(card_list, 1, wxEXPAND);
 		s->Add(s2,      1, wxEXPAND, 8);
 	s->SetSizeHints(this);
@@ -60,6 +60,12 @@ void RandomPackPanel::onCommand(int id) {
 	// ?
 }
 
+// ----------------------------------------------------------------------------- : Generating
+
+void RandomPackPanel::generate() {
+	//set->game->pack_types[0].generate()
+}
+
 // ----------------------------------------------------------------------------- : Clipboard
 
 bool RandomPackPanel::canCopy()  const { return card_list->canCopy();  }
diff --git a/src/gui/set/random_pack_panel.hpp b/src/gui/set/random_pack_panel.hpp
index 5f98f8a4..5beddc79 100644
--- a/src/gui/set/random_pack_panel.hpp
+++ b/src/gui/set/random_pack_panel.hpp
@@ -39,6 +39,9 @@ class RandomPackPanel : public SetWindowPanel {
   private:
 	CardViewer*       preview;		///< Card preview
 	FilteredCardList* card_list;	///< The list of cards
+	
+	/// Generate the cards
+	void generate();
 };
 
 // ----------------------------------------------------------------------------- : EOF
diff --git a/src/gui/set/window.cpp b/src/gui/set/window.cpp
index 6c578091..2a721feb 100644
--- a/src/gui/set/window.cpp
+++ b/src/gui/set/window.cpp
@@ -404,6 +404,7 @@ void SetWindow::onUpdateUI(wxUpdateUIEvent& ev) {
 		case ID_EDIT_REPLACE   : ev.Enable(current_panel->canReplace());break;
 		// windows
 		case ID_WINDOW_KEYWORDS: ev.Enable(set->game->has_keywords);	break;
+		case ID_WINDOW_RANDOM_PACK: ev.Enable(!set->game->pack_types.empty());	break;
 		// help
 		case ID_HELP_INDEX     : ev.Enable(false);						break; // not implemented
 		// other
diff --git a/src/util/rotation.hpp b/src/util/rotation.hpp
index 6aa44ccc..53a48824 100644
--- a/src/util/rotation.hpp
+++ b/src/util/rotation.hpp
@@ -33,7 +33,7 @@ class Rotation {
 	/** with the given rectangle of external coordinates and a given rotation angle and zoom factor.
 	 *  if is_internal then the rect gives the internal coordinates, its origin should be (0,0)
 	 */
-	Rotation(int angle, const RealRect& rect, double zoom = 1.0, double strectch = 1.0, RotationFlags flags = ROTATION_NORMAL);
+	Rotation(int angle, const RealRect& rect = RealRect(0,0,0,0), double zoom = 1.0, double strectch = 1.0, RotationFlags flags = ROTATION_NORMAL);
 	
 	/// Change the zoom factor
 	inline void setZoom(double z) { zoomX = zoomY = z; }