From c311c99f37bcc60d30955a47117368fc8b83d9da Mon Sep 17 00:00:00 2001
From: Mattia Basaglia <mattia.basaglia@gmail.com>
Date: Sun, 19 Jul 2015 10:21:42 +0200
Subject: [PATCH] Auto cap button

---
 radiant/patchdialog.cpp | 11 +++++++++++
 radiant/patchmanip.cpp  | 28 ++++++++++++++++++++++++++++
 radiant/patchmanip.h    |  1 +
 3 files changed, 40 insertions(+)

diff --git a/radiant/patchdialog.cpp b/radiant/patchdialog.cpp
index 6bacd9f8..f1bf09fb 100644
--- a/radiant/patchdialog.cpp
+++ b/radiant/patchdialog.cpp
@@ -455,6 +455,10 @@ void Scene_PatchTranslateTexture_Selected( scene::Graph& graph, float s, float t
 	Scene_forEachVisibleSelectedPatch( PatchTranslateTexture( s, t ) );
 }
 
+static void OnBtnPatchAutoCap( GtkWidget *widget, gpointer data ){
+	Patch_AutoCapTexture();
+}
+
 static void OnSpinChanged( GtkAdjustment *adj, gpointer data ){
 	texdef_t td;
 
@@ -998,6 +1002,13 @@ GtkWindow* PatchInspector::BuildDialog(){
 					GtkHBox* hbox2 = GTK_HBOX( gtk_hbox_new( TRUE, 5 ) );
 					gtk_widget_show( GTK_WIDGET( hbox2 ) );
 					gtk_box_pack_start( GTK_BOX( vbox2 ), GTK_WIDGET( hbox2 ), TRUE, FALSE, 0 );
+					{
+						GtkButton* button = GTK_BUTTON( gtk_button_new_with_label( "Auto Cap" ) );
+						gtk_widget_show( GTK_WIDGET( button ) );
+						gtk_box_pack_end( GTK_BOX( hbox2 ), GTK_WIDGET( button ), TRUE, FALSE, 0 );
+						g_signal_connect( G_OBJECT( button ), "clicked", G_CALLBACK( OnBtnPatchAutoCap ), 0 );
+						gtk_widget_set_usize( GTK_WIDGET( button ), 60, -1 );
+					}
 					{
 						GtkButton* button = GTK_BUTTON( gtk_button_new_with_label( "CAP" ) );
 						gtk_widget_show( GTK_WIDGET( button ) );
diff --git a/radiant/patchmanip.cpp b/radiant/patchmanip.cpp
index e42fdc37..e7f543dc 100644
--- a/radiant/patchmanip.cpp
+++ b/radiant/patchmanip.cpp
@@ -196,6 +196,34 @@ void Scene_PatchCapTexture_Selected( scene::Graph& graph ){
 	SceneChangeNotify();
 }
 
+
+void PatchAutoCapTexture( Patch& patch ) {
+
+	AABB box = patch.localAABB();
+	float x = box.extents.x();
+	float y = box.extents.y();
+	float z = box.extents.z();
+
+	int cap_direction = -1;
+	if ( x < y  && x < z )
+		cap_direction = 0;
+	else if ( y < x  && y < z )
+		cap_direction = 1;
+	else if ( z < x  && z < x )
+		cap_direction = 2;
+
+	if ( cap_direction >= 0 )
+		patch.ProjectTexture(cap_direction);
+	else
+		patch.NaturalTexture();
+}
+
+void Patch_AutoCapTexture(){
+	UndoableCommand command( "patchAutoCapTexture" );
+	Scene_forEachVisibleSelectedPatch( &PatchAutoCapTexture );
+	SceneChangeNotify();
+}
+
 class PatchFlipTexture
 {
 int m_axis;
diff --git a/radiant/patchmanip.h b/radiant/patchmanip.h
index d6d8764c..47f7f224 100644
--- a/radiant/patchmanip.h
+++ b/radiant/patchmanip.h
@@ -57,6 +57,7 @@ void Patch_ResetTexture();
 void Patch_FitTexture();
 void Patch_FlipTextureX();
 void Patch_FlipTextureY();
+void Patch_AutoCapTexture();
 
 class PatchCreator;
 extern PatchCreator* g_patchCreator;
-- 
2.39.2