X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fdesigner%2Fterraintool.cpp;fp=source%2Fdesigner%2Fterraintool.cpp;h=46076ec03c0679573161853c1485145a2aa4fce5;hb=2220ba2f11705ea9a4e480603d43ab7ed4cf5a89;hp=0000000000000000000000000000000000000000;hpb=e37f7bfbbee86eef3b1f6e338a21239905911608;p=r2c2.git

diff --git a/source/designer/terraintool.cpp b/source/designer/terraintool.cpp
new file mode 100644
index 0000000..46076ec
--- /dev/null
+++ b/source/designer/terraintool.cpp
@@ -0,0 +1,90 @@
+#include <cmath>
+#include <msp/gl/meshbuilder.h>
+#include <msp/input/keys.h>
+#include "designer.h"
+#include "terraintool.h"
+
+using namespace std;
+using namespace Msp;
+using namespace R2C2;
+
+TerrainTool::TerrainTool(Designer &d, Input::Keyboard &k, Input::Mouse &m, Terrain &t):
+	Tool(d, k, m),
+	terrain(t),
+	marker((GL::VERTEX3, GL::COLOR4_UBYTE)),
+	dragging(false),
+	drag_start(0)
+{
+	designer.get_layout_3d().get_scene().add(*this);
+
+	float ts = terrain.get_type().get_tile_size();
+	GL::MeshBuilder bld(marker);
+	bld.begin(GL::TRIANGLE_STRIP);
+	bld.vertex(-ts/2, 0, -ts/4);
+	bld.vertex(ts/2, 0, -ts/4);
+	bld.vertex(-ts/2, 0, ts/4);
+	bld.vertex(ts/2, 0, ts/4);
+	bld.end();
+	bld.begin(GL::TRIANGLE_STRIP);
+	bld.vertex(0, -ts/2, -ts/4);
+	bld.vertex(0, ts/2, -ts/4);
+	bld.vertex(0, -ts/2, ts/4);
+	bld.vertex(0, ts/2, ts/4);
+	bld.end();
+}
+
+TerrainTool::~TerrainTool()
+{
+	designer.get_layout_3d().get_scene().remove(*this);
+}
+
+void TerrainTool::button_press(unsigned btn)
+{
+	if(btn==1)
+	{
+		dragging = true;
+		drag_start = pointer.y;
+	}
+}
+
+void TerrainTool::button_release(unsigned btn)
+{
+	if(btn==1)
+		dragging = false;
+}
+
+void TerrainTool::pointer_motion()
+{
+	if(dragging)
+	{
+		float d = (pointer.y-drag_start)*20;
+
+		if(abs(d)>1)
+		{
+			float elev = terrain.get_node_elevation(highlight_node);
+			float eg = terrain.get_type().get_elevation_granularity();
+			elev += eg*d;
+			terrain.set_node_elevation(highlight_node, elev, true);
+			marker_position = terrain.get_node_position(highlight_node);
+
+			drag_start = pointer.y;
+		}
+	}
+	else
+	{
+		Ray ray = designer.get_view().create_ray(pointer.x, pointer.y);
+		highlight_node = terrain.get_closest_node(ray);
+		marker_position = terrain.get_node_position(highlight_node);
+	}
+}
+
+void TerrainTool::render(GL::Renderer &renderer, const GL::Tag &tag) const
+{
+	if(tag.id)
+		return;
+
+	GL::Renderer::Push push(renderer);
+
+	renderer.matrix_stack() *= GL::Matrix::translation(marker_position);
+	marker.draw(renderer);
+}